Atrion Corp NASDAQ:ATRI Historical Prices

Below are the 8000 trading days of historical prices for ATRI.

#	Exchange	Symbol	Date	Open	High	Low	Close
8000	NASDAQ	ATRI	Mon, Mar 4, 2024	358.72	375.00	358.72	373.30
7999	NASDAQ	ATRI	Fri, Mar 1, 2024	366.30	366.30	358.02	358.87
7998	NASDAQ	ATRI	Thu, Feb 29, 2024	367.99	367.99	367.99	367.99
7997	NASDAQ	ATRI	Wed, Feb 28, 2024	352.86	364.99	352.86	362.99
7996	NASDAQ	ATRI	Tue, Feb 27, 2024	359.00	359.95	351.30	351.30
7995	NASDAQ	ATRI	Mon, Feb 26, 2024	359.16	359.16	353.02	353.80
7994	NASDAQ	ATRI	Fri, Feb 23, 2024	341.46	350.32	341.46	350.32
7993	NASDAQ	ATRI	Thu, Feb 22, 2024	336.23	340.17	336.23	340.17
7992	NASDAQ	ATRI	Wed, Feb 21, 2024	367.56	367.56	362.87	362.87
7991	NASDAQ	ATRI	Tue, Feb 20, 2024	360.69	360.69	347.44	356.04
7990	NASDAQ	ATRI	Fri, Feb 16, 2024	346.01	362.12	346.01	352.20
7989	NASDAQ	ATRI	Thu, Feb 15, 2024	334.75	357.36	334.75	353.80
7988	NASDAQ	ATRI	Wed, Feb 14, 2024	337.59	337.59	335.88	335.88
7987	NASDAQ	ATRI	Tue, Feb 13, 2024	376.86	403.61	341.20	341.20
7986	NASDAQ	ATRI	Mon, Feb 12, 2024	373.74	394.86	373.74	389.50
7985	NASDAQ	ATRI	Fri, Feb 9, 2024	379.53	379.53	371.44	379.37
7984	NASDAQ	ATRI	Thu, Feb 8, 2024	350.38	377.50	350.38	368.34
7983	NASDAQ	ATRI	Wed, Feb 7, 2024	354.99	369.91	354.99	367.80
7982	NASDAQ	ATRI	Tue, Feb 6, 2024	348.74	349.97	339.88	348.32
7981	NASDAQ	ATRI	Mon, Feb 5, 2024	335.00	335.90	330.16	333.00
7980	NASDAQ	ATRI	Fri, Feb 2, 2024	320.02	339.80	320.00	338.00
7979	NASDAQ	ATRI	Thu, Feb 1, 2024	326.00	326.00	326.00	326.00
7978	NASDAQ	ATRI	Wed, Jan 31, 2024	338.00	342.53	333.81	340.00
7977	NASDAQ	ATRI	Tue, Jan 30, 2024	335.30	335.30	335.30	335.30
7976	NASDAQ	ATRI	Mon, Jan 29, 2024	321.75	335.00	320.66	335.00
7975	NASDAQ	ATRI	Fri, Jan 26, 2024	319.98	319.98	319.98	319.98
7974	NASDAQ	ATRI	Thu, Jan 25, 2024	328.23	328.50	321.51	324.49
7973	NASDAQ	ATRI	Wed, Jan 24, 2024	332.61	332.61	326.28	331.00
7972	NASDAQ	ATRI	Tue, Jan 23, 2024	337.70	346.38	334.00	334.00
7971	NASDAQ	ATRI	Mon, Jan 22, 2024	340.00	350.40	328.00	333.00
7970	NASDAQ	ATRI	Fri, Jan 19, 2024	332.11	336.60	332.11	336.60
7969	NASDAQ	ATRI	Thu, Jan 18, 2024	323.00	331.99	323.00	331.99
7968	NASDAQ	ATRI	Wed, Jan 17, 2024	331.73	331.73	308.30	308.30
7967	NASDAQ	ATRI	Tue, Jan 16, 2024	348.44	348.44	335.21	335.21
7966	NASDAQ	ATRI	Fri, Jan 12, 2024	357.99	374.00	350.99	350.99
7965	NASDAQ	ATRI	Thu, Jan 11, 2024	348.85	369.07	343.88	354.99
7964	NASDAQ	ATRI	Wed, Jan 10, 2024	352.16	358.00	342.00	345.00
7963	NASDAQ	ATRI	Tue, Jan 9, 2024	383.69	383.69	349.14	356.00
7962	NASDAQ	ATRI	Mon, Jan 8, 2024	388.44	400.93	378.20	380.90
7961	NASDAQ	ATRI	Fri, Jan 5, 2024	387.00	399.99	369.52	369.52
7960	NASDAQ	ATRI	Thu, Jan 4, 2024	399.86	439.99	390.00	392.36
7959	NASDAQ	ATRI	Wed, Jan 3, 2024	390.99	418.91	387.95	390.85
7958	NASDAQ	ATRI	Tue, Jan 2, 2024	367.17	432.96	367.17	393.24
7957	NASDAQ	ATRI	Fri, Dec 29, 2023	390.06	390.33	378.79	378.79
7956	NASDAQ	ATRI	Thu, Dec 28, 2023	396.71	396.89	379.97	389.94
7955	NASDAQ	ATRI	Wed, Dec 27, 2023	385.10	401.23	375.98	399.37
7954	NASDAQ	ATRI	Tue, Dec 26, 2023	373.43	385.10	373.43	385.10
7953	NASDAQ	ATRI	Fri, Dec 22, 2023	352.99	378.10	345.69	363.00
7952	NASDAQ	ATRI	Thu, Dec 21, 2023	346.15	351.22	329.91	345.85
7951	NASDAQ	ATRI	Wed, Dec 20, 2023	351.37	356.21	344.10	344.10
7950	NASDAQ	ATRI	Tue, Dec 19, 2023	370.94	370.94	340.00	350.53
7949	NASDAQ	ATRI	Mon, Dec 18, 2023	358.01	364.50	338.50	362.01
7948	NASDAQ	ATRI	Fri, Dec 15, 2023	368.20	368.20	360.75	363.66
7947	NASDAQ	ATRI	Thu, Dec 14, 2023	357.23	365.00	353.30	363.63
7946	NASDAQ	ATRI	Wed, Dec 13, 2023	350.00	351.24	345.15	348.60
7945	NASDAQ	ATRI	Tue, Dec 12, 2023	335.00	351.89	335.00	348.02
7944	NASDAQ	ATRI	Mon, Dec 11, 2023	330.39	333.28	315.67	325.15
7943	NASDAQ	ATRI	Fri, Dec 8, 2023	328.44	328.44	322.48	325.87
7942	NASDAQ	ATRI	Thu, Dec 7, 2023	319.39	338.32	315.00	326.99
7941	NASDAQ	ATRI	Wed, Dec 6, 2023	315.59	325.80	312.33	325.80
7940	NASDAQ	ATRI	Tue, Dec 5, 2023	313.15	315.00	307.29	310.81
7939	NASDAQ	ATRI	Mon, Dec 4, 2023	324.00	334.00	310.82	318.60
7938	NASDAQ	ATRI	Fri, Dec 1, 2023	313.92	320.00	294.39	316.15
7937	NASDAQ	ATRI	Thu, Nov 30, 2023	294.72	311.00	292.12	308.35
7936	NASDAQ	ATRI	Wed, Nov 29, 2023	293.99	301.41	293.50	298.10
7935	NASDAQ	ATRI	Tue, Nov 28, 2023	309.89	309.89	295.82	296.69
7934	NASDAQ	ATRI	Mon, Nov 27, 2023	300.00	324.66	298.47	308.82
7933	NASDAQ	ATRI	Fri, Nov 24, 2023	313.24	313.24	304.00	304.00
7932	NASDAQ	ATRI	Wed, Nov 22, 2023	288.00	295.43	277.36	295.43
7931	NASDAQ	ATRI	Tue, Nov 21, 2023	299.80	299.80	280.43	292.30
7930	NASDAQ	ATRI	Mon, Nov 20, 2023	301.44	311.00	293.01	303.91
7929	NASDAQ	ATRI	Fri, Nov 17, 2023	299.08	299.08	287.32	298.00
7928	NASDAQ	ATRI	Thu, Nov 16, 2023	300.00	300.00	279.93	293.40
7927	NASDAQ	ATRI	Wed, Nov 15, 2023	327.00	327.00	274.98	289.29
7926	NASDAQ	ATRI	Tue, Nov 14, 2023	307.90	323.29	307.90	323.29
7925	NASDAQ	ATRI	Mon, Nov 13, 2023	309.24	325.16	308.11	308.11
7924	NASDAQ	ATRI	Fri, Nov 10, 2023	312.97	312.97	312.97	312.97
7923	NASDAQ	ATRI	Thu, Nov 9, 2023	315.91	315.91	309.50	312.98
7922	NASDAQ	ATRI	Wed, Nov 8, 2023	314.97	320.40	314.97	320.40
7921	NASDAQ	ATRI	Tue, Nov 7, 2023	333.98	337.27	320.10	335.96
7920	NASDAQ	ATRI	Mon, Nov 6, 2023	340.99	343.69	328.17	332.40
7919	NASDAQ	ATRI	Fri, Nov 3, 2023	336.41	336.80	336.41	336.80
7918	NASDAQ	ATRI	Thu, Nov 2, 2023	347.59	347.59	338.49	338.49
7917	NASDAQ	ATRI	Wed, Nov 1, 2023	330.61	342.82	330.61	332.30
7916	NASDAQ	ATRI	Tue, Oct 31, 2023	336.05	341.98	333.58	341.98
7915	NASDAQ	ATRI	Mon, Oct 30, 2023	340.96	343.28	323.57	334.14
7914	NASDAQ	ATRI	Fri, Oct 27, 2023	343.24	343.24	340.15	343.20
7913	NASDAQ	ATRI	Thu, Oct 26, 2023	324.40	332.33	305.05	326.13
7912	NASDAQ	ATRI	Wed, Oct 25, 2023	331.20	331.20	320.04	322.00
7911	NASDAQ	ATRI	Tue, Oct 24, 2023	338.40	341.57	332.36	334.85
7910	NASDAQ	ATRI	Mon, Oct 23, 2023	345.34	345.34	335.40	337.00
7909	NASDAQ	ATRI	Fri, Oct 20, 2023	355.00	355.00	345.10	347.10
7908	NASDAQ	ATRI	Thu, Oct 19, 2023	364.20	365.00	353.68	355.00
7907	NASDAQ	ATRI	Wed, Oct 18, 2023	392.46	392.46	369.00	369.00
7906	NASDAQ	ATRI	Tue, Oct 17, 2023	408.58	408.58	398.83	398.83
7905	NASDAQ	ATRI	Mon, Oct 16, 2023	396.70	412.37	396.70	407.49
7904	NASDAQ	ATRI	Fri, Oct 13, 2023	401.55	401.87	394.56	399.30
7903	NASDAQ	ATRI	Thu, Oct 12, 2023	420.09	420.09	405.00	405.92
7902	NASDAQ	ATRI	Wed, Oct 11, 2023	407.01	407.01	400.86	403.00
7901	NASDAQ	ATRI	Tue, Oct 10, 2023	405.51	406.07	400.01	401.20
7900	NASDAQ	ATRI	Mon, Oct 9, 2023	401.10	405.30	401.10	405.30
7899	NASDAQ	ATRI	Fri, Oct 6, 2023	400.00	403.99	400.00	403.99
7898	NASDAQ	ATRI	Thu, Oct 5, 2023	395.60	403.33	395.60	402.00
7897	NASDAQ	ATRI	Wed, Oct 4, 2023	410.00	420.00	402.54	405.22
7896	NASDAQ	ATRI	Tue, Oct 3, 2023	419.54	433.15	405.73	409.70
7895	NASDAQ	ATRI	Mon, Oct 2, 2023	414.97	423.79	406.64	408.05
7894	NASDAQ	ATRI	Fri, Sep 29, 2023	401.55	413.17	400.99	413.17
7893	NASDAQ	ATRI	Thu, Sep 28, 2023	419.27	421.70	419.27	421.70
7892	NASDAQ	ATRI	Wed, Sep 27, 2023	400.46	420.61	399.30	420.00
7891	NASDAQ	ATRI	Tue, Sep 26, 2023	407.90	407.90	399.99	401.20
7890	NASDAQ	ATRI	Mon, Sep 25, 2023	422.65	425.75	416.00	419.60
7889	NASDAQ	ATRI	Fri, Sep 22, 2023	429.25	429.25	429.25	429.25
7888	NASDAQ	ATRI	Thu, Sep 21, 2023	448.58	448.58	440.98	440.98
7887	NASDAQ	ATRI	Wed, Sep 20, 2023	445.05	445.05	444.03	444.03
7886	NASDAQ	ATRI	Tue, Sep 19, 2023	439.58	456.80	439.58	449.90
7885	NASDAQ	ATRI	Mon, Sep 18, 2023	464.99	470.08	457.90	457.90
7884	NASDAQ	ATRI	Fri, Sep 15, 2023	450.00	460.00	444.92	460.00
7883	NASDAQ	ATRI	Thu, Sep 14, 2023	443.99	452.00	443.99	450.60
7882	NASDAQ	ATRI	Wed, Sep 13, 2023	450.00	450.00	439.01	439.01
7881	NASDAQ	ATRI	Tue, Sep 12, 2023	457.66	457.66	443.06	446.99
7880	NASDAQ	ATRI	Mon, Sep 11, 2023	452.00	452.00	452.00	452.00
7879	NASDAQ	ATRI	Fri, Sep 8, 2023	454.64	454.64	454.64	454.64
7878	NASDAQ	ATRI	Thu, Sep 7, 2023	462.80	462.80	462.80	462.80
7877	NASDAQ	ATRI	Wed, Sep 6, 2023	473.11	473.11	473.11	473.11
7876	NASDAQ	ATRI	Tue, Sep 5, 2023	465.10	465.10	461.40	461.40
7875	NASDAQ	ATRI	Fri, Sep 1, 2023	460.00	470.01	460.00	470.01
7874	NASDAQ	ATRI	Thu, Aug 31, 2023	466.01	472.99	465.10	465.10
7873	NASDAQ	ATRI	Wed, Aug 30, 2023	470.85	470.85	464.95	464.95
7872	NASDAQ	ATRI	Tue, Aug 29, 2023	469.51	474.75	469.51	474.75
7871	NASDAQ	ATRI	Mon, Aug 28, 2023	460.00	469.31	460.00	463.43
7870	NASDAQ	ATRI	Fri, Aug 25, 2023	455.90	455.90	455.90	455.90
7869	NASDAQ	ATRI	Thu, Aug 24, 2023	468.75	470.00	464.70	464.70
7868	NASDAQ	ATRI	Wed, Aug 23, 2023	478.55	480.31	474.70	474.70
7867	NASDAQ	ATRI	Tue, Aug 22, 2023	480.21	480.21	480.21	480.21
7866	NASDAQ	ATRI	Mon, Aug 21, 2023	485.65	485.65	485.65	485.65
7865	NASDAQ	ATRI	Fri, Aug 18, 2023	485.91	490.82	485.91	487.21
7864	NASDAQ	ATRI	Thu, Aug 17, 2023	482.61	491.88	482.61	487.41
7863	NASDAQ	ATRI	Wed, Aug 16, 2023	490.45	493.00	490.45	493.00
7862	NASDAQ	ATRI	Tue, Aug 15, 2023	515.27	515.27	506.02	506.02
7861	NASDAQ	ATRI	Mon, Aug 14, 2023	525.41	525.41	519.60	519.60
7860	NASDAQ	ATRI	Fri, Aug 11, 2023	536.99	536.99	536.99	536.99
7859	NASDAQ	ATRI	Thu, Aug 10, 2023	538.05	538.05	528.37	528.37
7858	NASDAQ	ATRI	Wed, Aug 9, 2023	547.90	547.90	547.90	547.90
7857	NASDAQ	ATRI	Tue, Aug 8, 2023	536.90	564.21	536.90	557.58
7856	NASDAQ	ATRI	Mon, Aug 7, 2023	532.00	532.00	532.00	532.00
7855	NASDAQ	ATRI	Fri, Aug 4, 2023	546.25	546.25	541.36	541.36
7854	NASDAQ	ATRI	Thu, Aug 3, 2023	538.81	538.81	538.81	538.81
7853	NASDAQ	ATRI	Wed, Aug 2, 2023	543.42	543.42	543.42	543.42
7852	NASDAQ	ATRI	Tue, Aug 1, 2023	552.04	552.04	546.90	546.90
7851	NASDAQ	ATRI	Mon, Jul 31, 2023	556.79	560.61	556.79	560.61
7850	NASDAQ	ATRI	Fri, Jul 28, 2023	575.88	575.88	552.55	564.98
7849	NASDAQ	ATRI	Thu, Jul 27, 2023	536.46	564.35	536.46	563.28
7848	NASDAQ	ATRI	Wed, Jul 26, 2023	548.17	549.96	543.91	549.90
7847	NASDAQ	ATRI	Tue, Jul 25, 2023	548.19	548.19	545.10	545.10
7846	NASDAQ	ATRI	Mon, Jul 24, 2023	570.53	576.00	555.53	570.65
7845	NASDAQ	ATRI	Fri, Jul 21, 2023	568.90	578.00	561.80	578.00
7844	NASDAQ	ATRI	Thu, Jul 20, 2023	563.02	563.02	563.02	563.02
7843	NASDAQ	ATRI	Wed, Jul 19, 2023	561.05	575.85	558.48	575.85
7842	NASDAQ	ATRI	Tue, Jul 18, 2023	581.79	581.79	581.79	581.79
7841	NASDAQ	ATRI	Mon, Jul 17, 2023	562.89	593.00	562.65	577.70
7840	NASDAQ	ATRI	Fri, Jul 14, 2023	549.90	549.90	549.90	549.90
7839	NASDAQ	ATRI	Thu, Jul 13, 2023	540.00	543.49	540.00	543.49
7838	NASDAQ	ATRI	Wed, Jul 12, 2023	541.31	541.31	541.31	541.31
7837	NASDAQ	ATRI	Tue, Jul 11, 2023	552.50	552.50	552.50	552.50
7836	NASDAQ	ATRI	Mon, Jul 10, 2023	536.35	536.35	536.35	536.35
7835	NASDAQ	ATRI	Fri, Jul 7, 2023	542.00	542.00	542.00	542.00
7834	NASDAQ	ATRI	Thu, Jul 6, 2023	545.40	552.00	545.40	552.00
7833	NASDAQ	ATRI	Wed, Jul 5, 2023	572.74	572.74	554.15	554.15
7832	NASDAQ	ATRI	Mon, Jul 3, 2023	567.80	567.80	567.80	567.80
7831	NASDAQ	ATRI	Fri, Jun 30, 2023	557.45	565.70	557.45	565.70
7830	NASDAQ	ATRI	Thu, Jun 29, 2023	552.21	557.60	541.86	557.60
7829	NASDAQ	ATRI	Wed, Jun 28, 2023	542.75	549.99	527.76	547.45
7828	NASDAQ	ATRI	Tue, Jun 27, 2023	569.21	602.59	566.38	571.42
7827	NASDAQ	ATRI	Mon, Jun 26, 2023	583.65	599.26	578.15	584.62
7826	NASDAQ	ATRI	Fri, Jun 23, 2023	588.78	595.20	587.11	595.20
7825	NASDAQ	ATRI	Thu, Jun 22, 2023	578.21	586.30	578.13	579.70
7824	NASDAQ	ATRI	Wed, Jun 21, 2023	567.00	571.01	565.02	571.01
7823	NASDAQ	ATRI	Tue, Jun 20, 2023	550.92	580.02	550.92	572.84
7822	NASDAQ	ATRI	Fri, Jun 16, 2023	536.96	551.67	535.00	546.12
7821	NASDAQ	ATRI	Thu, Jun 15, 2023	533.00	535.00	530.20	530.20
7820	NASDAQ	ATRI	Wed, Jun 14, 2023	530.31	537.20	530.31	537.20
7819	NASDAQ	ATRI	Tue, Jun 13, 2023	550.00	550.00	535.75	540.92
7818	NASDAQ	ATRI	Mon, Jun 12, 2023	560.40	560.40	546.14	546.14
7817	NASDAQ	ATRI	Fri, Jun 9, 2023	561.80	561.80	561.80	561.80
7816	NASDAQ	ATRI	Thu, Jun 8, 2023	565.25	565.25	558.00	558.00
7815	NASDAQ	ATRI	Wed, Jun 7, 2023	549.27	568.10	549.27	568.10
7814	NASDAQ	ATRI	Tue, Jun 6, 2023	548.45	548.99	548.45	548.99
7813	NASDAQ	ATRI	Mon, Jun 5, 2023	537.40	557.42	537.40	542.42
7812	NASDAQ	ATRI	Fri, Jun 2, 2023	553.35	556.23	550.42	550.42
7811	NASDAQ	ATRI	Thu, Jun 1, 2023	531.62	536.05	531.62	533.14
7810	NASDAQ	ATRI	Wed, May 31, 2023	500.00	526.28	500.00	520.36
7809	NASDAQ	ATRI	Tue, May 30, 2023	500.00	500.00	500.00	500.00
7808	NASDAQ	ATRI	Fri, May 26, 2023	528.15	528.15	518.39	518.39
7807	NASDAQ	ATRI	Thu, May 25, 2023	545.10	545.10	543.05	543.05
7806	NASDAQ	ATRI	Wed, May 24, 2023	551.04	557.62	543.77	556.38
7805	NASDAQ	ATRI	Tue, May 23, 2023	553.31	553.31	553.31	553.31
7804	NASDAQ	ATRI	Mon, May 22, 2023	551.94	573.79	551.94	562.48
7803	NASDAQ	ATRI	Fri, May 19, 2023	558.65	558.65	554.40	554.40
7802	NASDAQ	ATRI	Thu, May 18, 2023	553.90	553.90	553.90	553.90
7801	NASDAQ	ATRI	Wed, May 17, 2023	561.51	561.51	561.51	561.51
7800	NASDAQ	ATRI	Tue, May 16, 2023	558.12	558.12	558.12	558.12
7799	NASDAQ	ATRI	Mon, May 15, 2023	561.76	566.11	561.76	566.11
7798	NASDAQ	ATRI	Fri, May 12, 2023	555.98	555.98	555.98	555.98
7797	NASDAQ	ATRI	Thu, May 11, 2023	555.00	560.01	555.00	555.00
7796	NASDAQ	ATRI	Wed, May 10, 2023	549.92	562.76	540.00	562.76
7795	NASDAQ	ATRI	Tue, May 9, 2023	599.89	599.89	540.00	546.99
7794	NASDAQ	ATRI	Mon, May 8, 2023	595.50	602.99	585.97	602.99
7793	NASDAQ	ATRI	Fri, May 5, 2023	613.16	613.16	603.00	608.80
7792	NASDAQ	ATRI	Thu, May 4, 2023	590.01	590.01	590.01	590.01
7791	NASDAQ	ATRI	Wed, May 3, 2023	615.30	615.30	615.30	615.30
7790	NASDAQ	ATRI	Tue, May 2, 2023	607.64	613.81	599.35	613.81
7789	NASDAQ	ATRI	Mon, May 1, 2023	622.99	622.99	617.00	617.00
7788	NASDAQ	ATRI	Fri, Apr 28, 2023	615.30	615.30	615.30	615.30
7787	NASDAQ	ATRI	Thu, Apr 27, 2023	625.00	625.00	616.60	616.60
7786	NASDAQ	ATRI	Wed, Apr 26, 2023	630.98	630.98	630.98	630.98
7785	NASDAQ	ATRI	Tue, Apr 25, 2023	634.09	643.48	631.67	643.48
7784	NASDAQ	ATRI	Mon, Apr 24, 2023	642.30	642.30	642.30	642.30
7783	NASDAQ	ATRI	Fri, Apr 21, 2023	643.87	670.00	643.87	659.00
7782	NASDAQ	ATRI	Thu, Apr 20, 2023	624.80	649.00	624.80	649.00
7781	NASDAQ	ATRI	Wed, Apr 19, 2023	608.00	608.00	608.00	608.00
7780	NASDAQ	ATRI	Tue, Apr 18, 2023	626.89	627.68	599.82	599.82
7779	NASDAQ	ATRI	Mon, Apr 17, 2023	626.95	638.50	624.49	628.49
7778	NASDAQ	ATRI	Fri, Apr 14, 2023	644.78	644.78	644.78	644.78
7777	NASDAQ	ATRI	Thu, Apr 13, 2023	642.44	660.00	642.44	648.20
7776	NASDAQ	ATRI	Wed, Apr 12, 2023	666.68	666.68	644.39	644.39
7775	NASDAQ	ATRI	Tue, Apr 11, 2023	660.26	668.40	653.73	653.73
7774	NASDAQ	ATRI	Mon, Apr 10, 2023	626.70	650.98	626.70	650.98
7773	NASDAQ	ATRI	Thu, Apr 6, 2023	627.00	630.00	622.00	622.00
7772	NASDAQ	ATRI	Wed, Apr 5, 2023	635.00	635.00	633.55	634.00
7771	NASDAQ	ATRI	Tue, Apr 4, 2023	632.50	632.50	632.50	632.50
7770	NASDAQ	ATRI	Mon, Apr 3, 2023	626.96	640.30	626.96	637.87
7769	NASDAQ	ATRI	Fri, Mar 31, 2023	637.06	641.30	627.91	627.91
7768	NASDAQ	ATRI	Thu, Mar 30, 2023	612.00	623.69	612.00	623.69
7767	NASDAQ	ATRI	Wed, Mar 29, 2023	611.88	611.88	611.88	611.88
7766	NASDAQ	ATRI	Tue, Mar 28, 2023	636.04	644.50	620.00	620.00
7765	NASDAQ	ATRI	Mon, Mar 27, 2023	624.00	634.99	624.00	630.41
7764	NASDAQ	ATRI	Fri, Mar 24, 2023	645.00	650.99	640.31	647.80
7763	NASDAQ	ATRI	Thu, Mar 23, 2023	637.06	642.60	637.06	642.25
7762	NASDAQ	ATRI	Wed, Mar 22, 2023	630.24	642.00	630.24	634.20
7761	NASDAQ	ATRI	Tue, Mar 21, 2023	644.36	648.00	637.65	640.00
7760	NASDAQ	ATRI	Mon, Mar 20, 2023	626.99	626.99	626.99	626.99
7759	NASDAQ	ATRI	Fri, Mar 17, 2023	605.39	625.54	597.97	607.00
7758	NASDAQ	ATRI	Thu, Mar 16, 2023	576.90	601.01	576.90	601.01
7757	NASDAQ	ATRI	Wed, Mar 15, 2023	594.01	594.01	594.01	594.01
7756	NASDAQ	ATRI	Tue, Mar 14, 2023	597.20	597.20	597.20	597.20
7755	NASDAQ	ATRI	Mon, Mar 13, 2023	600.65	600.65	600.65	600.65
7754	NASDAQ	ATRI	Fri, Mar 10, 2023	605.25	605.25	605.25	605.25
7753	NASDAQ	ATRI	Thu, Mar 9, 2023	606.14	606.14	606.14	606.14
7752	NASDAQ	ATRI	Wed, Mar 8, 2023	602.20	624.89	602.20	624.89
7751	NASDAQ	ATRI	Tue, Mar 7, 2023	605.66	605.66	605.66	605.66
7750	NASDAQ	ATRI	Mon, Mar 6, 2023	633.83	633.83	614.99	614.99
7749	NASDAQ	ATRI	Fri, Mar 3, 2023	601.74	642.90	601.74	628.21
7748	NASDAQ	ATRI	Thu, Mar 2, 2023	565.02	598.80	564.65	598.80
7747	NASDAQ	ATRI	Wed, Mar 1, 2023	554.03	566.03	554.03	565.00
7746	NASDAQ	ATRI	Tue, Feb 28, 2023	609.95	610.56	568.00	568.00
7745	NASDAQ	ATRI	Mon, Feb 27, 2023	652.61	652.61	652.61	652.61
7744	NASDAQ	ATRI	Fri, Feb 24, 2023	677.04	682.80	677.04	682.80
7743	NASDAQ	ATRI	Thu, Feb 23, 2023	679.58	679.58	670.03	670.03
7742	NASDAQ	ATRI	Wed, Feb 22, 2023	684.99	695.00	684.99	685.20
7741	NASDAQ	ATRI	Tue, Feb 21, 2023	683.98	683.98	680.40	680.40
7740	NASDAQ	ATRI	Fri, Feb 17, 2023	692.75	694.87	691.00	694.87
7739	NASDAQ	ATRI	Thu, Feb 16, 2023	700.00	700.00	691.78	691.78
7738	NASDAQ	ATRI	Wed, Feb 15, 2023	681.10	681.10	681.10	681.10
7737	NASDAQ	ATRI	Tue, Feb 14, 2023	685.11	685.11	676.00	676.00
7736	NASDAQ	ATRI	Mon, Feb 13, 2023	690.00	700.00	683.00	683.00
7735	NASDAQ	ATRI	Fri, Feb 10, 2023	665.72	679.79	665.72	679.22
7734	NASDAQ	ATRI	Thu, Feb 9, 2023	679.01	685.01	670.30	670.30
7733	NASDAQ	ATRI	Wed, Feb 8, 2023	684.03	690.00	677.00	679.00
7732	NASDAQ	ATRI	Tue, Feb 7, 2023	681.60	697.89	679.02	692.25
7731	NASDAQ	ATRI	Mon, Feb 6, 2023	692.50	693.79	687.75	693.79
7730	NASDAQ	ATRI	Fri, Feb 3, 2023	699.50	699.50	683.86	683.86
7729	NASDAQ	ATRI	Thu, Feb 2, 2023	671.72	700.87	671.72	694.58
7728	NASDAQ	ATRI	Wed, Feb 1, 2023	674.00	674.00	674.00	674.00
7727	NASDAQ	ATRI	Tue, Jan 31, 2023	691.30	692.00	687.30	687.30
7726	NASDAQ	ATRI	Mon, Jan 30, 2023	647.69	700.00	647.69	692.00
7725	NASDAQ	ATRI	Fri, Jan 27, 2023	653.00	653.00	653.00	653.00
7724	NASDAQ	ATRI	Thu, Jan 26, 2023	638.60	638.60	638.60	638.60
7723	NASDAQ	ATRI	Wed, Jan 25, 2023	637.10	648.01	627.50	627.50
7722	NASDAQ	ATRI	Tue, Jan 24, 2023	644.98	647.00	644.98	647.00
7721	NASDAQ	ATRI	Mon, Jan 23, 2023	679.22	700.00	638.01	641.03
7720	NASDAQ	ATRI	Fri, Jan 20, 2023	666.78	683.32	666.78	679.00
7719	NASDAQ	ATRI	Thu, Jan 19, 2023	669.00	669.00	658.20	658.20
7718	NASDAQ	ATRI	Wed, Jan 18, 2023	667.99	667.99	639.65	657.00
7717	NASDAQ	ATRI	Tue, Jan 17, 2023	632.36	705.74	632.36	670.10
7716	NASDAQ	ATRI	Fri, Jan 13, 2023	631.51	632.22	631.51	632.22
7715	NASDAQ	ATRI	Thu, Jan 12, 2023	608.80	620.24	608.80	614.28
7714	NASDAQ	ATRI	Wed, Jan 11, 2023	592.00	592.00	592.00	592.00
7713	NASDAQ	ATRI	Tue, Jan 10, 2023	578.40	598.00	578.40	591.60
7712	NASDAQ	ATRI	Mon, Jan 9, 2023	603.99	604.00	590.35	590.35
7711	NASDAQ	ATRI	Fri, Jan 6, 2023	579.79	579.79	579.79	579.79
7710	NASDAQ	ATRI	Thu, Jan 5, 2023	577.39	591.00	569.17	582.30
7709	NASDAQ	ATRI	Wed, Jan 4, 2023	568.94	569.00	568.00	568.00
7708	NASDAQ	ATRI	Tue, Jan 3, 2023	551.10	606.20	543.00	568.00
7707	NASDAQ	ATRI	Fri, Dec 30, 2022	560.21	576.60	555.99	559.45
7706	NASDAQ	ATRI	Thu, Dec 29, 2022	574.70	584.97	571.50	573.00
7705	NASDAQ	ATRI	Wed, Dec 28, 2022	558.00	564.31	556.11	561.97
7704	NASDAQ	ATRI	Tue, Dec 27, 2022	563.11	592.07	559.73	562.30
7703	NASDAQ	ATRI	Fri, Dec 23, 2022	569.78	583.31	542.01	560.81
7702	NASDAQ	ATRI	Thu, Dec 22, 2022	566.50	568.12	540.01	568.00
7701	NASDAQ	ATRI	Wed, Dec 21, 2022	563.70	563.80	563.61	563.80
7700	NASDAQ	ATRI	Tue, Dec 20, 2022	558.00	558.33	553.32	556.69
7699	NASDAQ	ATRI	Mon, Dec 19, 2022	557.67	582.10	538.41	551.10
7698	NASDAQ	ATRI	Fri, Dec 16, 2022	577.97	577.97	534.99	553.63
7697	NASDAQ	ATRI	Thu, Dec 15, 2022	608.37	608.37	580.40	590.00
7696	NASDAQ	ATRI	Wed, Dec 14, 2022	611.72	611.72	591.26	600.86
7695	NASDAQ	ATRI	Tue, Dec 13, 2022	610.41	633.35	610.41	633.35
7694	NASDAQ	ATRI	Mon, Dec 12, 2022	572.79	620.81	572.79	612.48
7693	NASDAQ	ATRI	Fri, Dec 9, 2022	648.75	648.75	629.46	635.52
7692	NASDAQ	ATRI	Thu, Dec 8, 2022	596.10	631.80	596.10	631.80
7691	NASDAQ	ATRI	Wed, Dec 7, 2022	606.90	606.90	598.51	598.51
7690	NASDAQ	ATRI	Tue, Dec 6, 2022	618.48	618.48	602.20	602.20
7689	NASDAQ	ATRI	Mon, Dec 5, 2022	619.59	621.40	601.08	611.56
7688	NASDAQ	ATRI	Fri, Dec 2, 2022	628.16	636.55	614.27	618.86
7687	NASDAQ	ATRI	Thu, Dec 1, 2022	609.13	626.00	596.49	626.00
7686	NASDAQ	ATRI	Wed, Nov 30, 2022	583.18	604.80	583.18	604.80
7685	NASDAQ	ATRI	Tue, Nov 29, 2022	579.40	579.40	579.40	579.40
7684	NASDAQ	ATRI	Mon, Nov 28, 2022	603.89	607.48	583.87	595.34
7683	NASDAQ	ATRI	Fri, Nov 25, 2022	600.50	604.41	600.50	604.41
7682	NASDAQ	ATRI	Wed, Nov 23, 2022	590.00	602.00	584.60	598.05
7681	NASDAQ	ATRI	Tue, Nov 22, 2022	604.06	604.06	599.35	603.14
7680	NASDAQ	ATRI	Mon, Nov 21, 2022	611.12	611.54	599.39	602.89
7679	NASDAQ	ATRI	Fri, Nov 18, 2022	613.41	617.28	596.01	606.00
7678	NASDAQ	ATRI	Thu, Nov 17, 2022	616.81	616.81	600.00	605.10
7677	NASDAQ	ATRI	Wed, Nov 16, 2022	616.84	626.27	616.84	626.27
7676	NASDAQ	ATRI	Tue, Nov 15, 2022	635.05	635.05	619.03	620.93
7675	NASDAQ	ATRI	Mon, Nov 14, 2022	687.01	687.01	632.20	632.20
7674	NASDAQ	ATRI	Fri, Nov 11, 2022	700.00	701.87	684.40	688.50
7673	NASDAQ	ATRI	Thu, Nov 10, 2022	649.65	700.00	649.65	685.69
7672	NASDAQ	ATRI	Wed, Nov 9, 2022	618.52	637.00	614.43	623.96
7671	NASDAQ	ATRI	Tue, Nov 8, 2022	619.84	625.00	615.00	619.53
7670	NASDAQ	ATRI	Mon, Nov 7, 2022	605.00	639.00	605.00	629.18
7669	NASDAQ	ATRI	Fri, Nov 4, 2022	615.90	615.90	615.90	615.90
7668	NASDAQ	ATRI	Thu, Nov 3, 2022	615.24	615.24	605.24	608.95
7667	NASDAQ	ATRI	Wed, Nov 2, 2022	600.00	605.13	600.00	605.13
7666	NASDAQ	ATRI	Tue, Nov 1, 2022	590.32	595.00	590.32	595.00
7665	NASDAQ	ATRI	Mon, Oct 31, 2022	605.52	605.52	595.35	600.31
7664	NASDAQ	ATRI	Fri, Oct 28, 2022	616.54	620.86	600.00	601.14
7663	NASDAQ	ATRI	Thu, Oct 27, 2022	680.08	680.08	638.00	639.72
7662	NASDAQ	ATRI	Wed, Oct 26, 2022	669.53	682.47	666.00	666.00
7661	NASDAQ	ATRI	Tue, Oct 25, 2022	657.82	669.53	657.82	669.53
7660	NASDAQ	ATRI	Mon, Oct 24, 2022	633.28	647.52	630.41	647.52
7659	NASDAQ	ATRI	Fri, Oct 21, 2022	607.22	628.35	605.00	627.98
7658	NASDAQ	ATRI	Thu, Oct 20, 2022	612.28	612.28	607.00	607.00
7657	NASDAQ	ATRI	Wed, Oct 19, 2022	611.27	611.27	611.27	611.27
7656	NASDAQ	ATRI	Tue, Oct 18, 2022	621.94	628.99	612.01	612.01
7655	NASDAQ	ATRI	Mon, Oct 17, 2022	605.36	616.40	605.36	613.00
7654	NASDAQ	ATRI	Fri, Oct 14, 2022	611.11	611.11	593.80	593.80
7653	NASDAQ	ATRI	Thu, Oct 13, 2022	595.20	595.20	595.20	595.20
7652	NASDAQ	ATRI	Wed, Oct 12, 2022	573.89	587.00	573.89	586.71
7651	NASDAQ	ATRI	Tue, Oct 11, 2022	573.61	585.60	573.61	585.60
7650	NASDAQ	ATRI	Mon, Oct 10, 2022	581.79	582.88	580.96	582.88
7649	NASDAQ	ATRI	Fri, Oct 7, 2022	575.56	594.14	575.56	583.73
7648	NASDAQ	ATRI	Thu, Oct 6, 2022	566.54	577.40	566.54	568.90
7647	NASDAQ	ATRI	Wed, Oct 5, 2022	568.78	568.78	568.78	568.78
7646	NASDAQ	ATRI	Tue, Oct 4, 2022	575.29	576.44	575.29	576.44
7645	NASDAQ	ATRI	Mon, Oct 3, 2022	566.73	580.46	566.73	574.00
7644	NASDAQ	ATRI	Fri, Sep 30, 2022	565.00	565.00	564.23	565.00
7643	NASDAQ	ATRI	Thu, Sep 29, 2022	565.00	565.00	565.00	565.00
7642	NASDAQ	ATRI	Wed, Sep 28, 2022	563.60	584.61	563.60	568.50
7641	NASDAQ	ATRI	Tue, Sep 27, 2022	553.90	565.46	551.11	565.46
7640	NASDAQ	ATRI	Mon, Sep 26, 2022	542.10	554.11	542.10	551.43
7639	NASDAQ	ATRI	Fri, Sep 23, 2022	550.80	555.40	545.43	545.43
7638	NASDAQ	ATRI	Thu, Sep 22, 2022	560.12	560.12	557.25	558.81
7637	NASDAQ	ATRI	Wed, Sep 21, 2022	578.90	578.90	578.10	578.10
7636	NASDAQ	ATRI	Tue, Sep 20, 2022	581.11	584.80	581.11	584.80
7635	NASDAQ	ATRI	Mon, Sep 19, 2022	591.22	593.50	588.00	593.50
7634	NASDAQ	ATRI	Fri, Sep 16, 2022	603.65	603.65	596.38	596.38
7633	NASDAQ	ATRI	Thu, Sep 15, 2022	601.20	607.56	600.00	602.51
7632	NASDAQ	ATRI	Wed, Sep 14, 2022	598.20	606.02	596.71	606.02
7631	NASDAQ	ATRI	Tue, Sep 13, 2022	602.61	603.86	598.05	602.69
7630	NASDAQ	ATRI	Mon, Sep 12, 2022	610.40	611.89	610.40	611.89
7629	NASDAQ	ATRI	Fri, Sep 9, 2022	613.90	613.90	607.95	610.08
7628	NASDAQ	ATRI	Thu, Sep 8, 2022	621.85	621.85	615.01	615.01
7627	NASDAQ	ATRI	Wed, Sep 7, 2022	597.20	621.85	597.20	621.85
7626	NASDAQ	ATRI	Tue, Sep 6, 2022	600.00	600.02	600.00	600.02
7625	NASDAQ	ATRI	Fri, Sep 2, 2022	604.04	604.04	604.04	604.04
7624	NASDAQ	ATRI	Thu, Sep 1, 2022	610.00	610.00	610.00	610.00
7623	NASDAQ	ATRI	Wed, Aug 31, 2022	600.00	614.26	599.98	603.95
7622	NASDAQ	ATRI	Tue, Aug 30, 2022	609.67	609.67	603.12	603.12
7621	NASDAQ	ATRI	Mon, Aug 29, 2022	600.10	613.09	600.10	613.09
7620	NASDAQ	ATRI	Fri, Aug 26, 2022	608.93	608.93	608.93	608.93
7619	NASDAQ	ATRI	Thu, Aug 25, 2022	637.00	637.00	637.00	637.00
7618	NASDAQ	ATRI	Wed, Aug 24, 2022	627.80	627.80	627.80	627.80
7617	NASDAQ	ATRI	Tue, Aug 23, 2022	614.10	614.10	614.10	614.10
7616	NASDAQ	ATRI	Mon, Aug 22, 2022	635.17	643.00	621.22	623.40
7615	NASDAQ	ATRI	Fri, Aug 19, 2022	635.16	635.16	621.73	631.00
7614	NASDAQ	ATRI	Thu, Aug 18, 2022	642.34	642.34	638.00	638.00
7613	NASDAQ	ATRI	Wed, Aug 17, 2022	645.01	645.01	631.18	631.18
7612	NASDAQ	ATRI	Tue, Aug 16, 2022	664.27	664.27	644.00	645.13
7611	NASDAQ	ATRI	Mon, Aug 15, 2022	660.49	660.49	655.00	655.00
7610	NASDAQ	ATRI	Fri, Aug 12, 2022	671.25	671.25	650.90	650.90
7609	NASDAQ	ATRI	Thu, Aug 11, 2022	660.01	665.70	660.01	665.70
7608	NASDAQ	ATRI	Wed, Aug 10, 2022	649.60	660.01	649.60	660.00
7607	NASDAQ	ATRI	Tue, Aug 9, 2022	636.48	636.48	636.48	636.48
7606	NASDAQ	ATRI	Mon, Aug 8, 2022	655.19	663.00	648.47	663.00
7605	NASDAQ	ATRI	Fri, Aug 5, 2022	656.79	656.79	650.00	650.00
7604	NASDAQ	ATRI	Thu, Aug 4, 2022	650.58	650.58	650.58	650.58
7603	NASDAQ	ATRI	Wed, Aug 3, 2022	660.55	660.55	656.39	656.39
7602	NASDAQ	ATRI	Tue, Aug 2, 2022	686.07	686.07	663.60	663.60
7601	NASDAQ	ATRI	Mon, Aug 1, 2022	676.63	680.30	676.63	680.30
7600	NASDAQ	ATRI	Fri, Jul 29, 2022	675.90	675.90	675.90	675.90
7599	NASDAQ	ATRI	Thu, Jul 28, 2022	674.80	674.80	674.80	674.80
7598	NASDAQ	ATRI	Wed, Jul 27, 2022	661.17	661.17	661.17	661.17
7597	NASDAQ	ATRI	Tue, Jul 26, 2022	631.40	643.57	631.40	636.68
7596	NASDAQ	ATRI	Mon, Jul 25, 2022	617.68	627.89	617.68	627.89
7595	NASDAQ	ATRI	Fri, Jul 22, 2022	622.59	622.59	622.59	622.59
7594	NASDAQ	ATRI	Thu, Jul 21, 2022	618.45	630.39	618.45	630.39
7593	NASDAQ	ATRI	Wed, Jul 20, 2022	643.70	643.70	643.70	643.70
7592	NASDAQ	ATRI	Tue, Jul 19, 2022	644.85	644.85	644.85	644.85
7591	NASDAQ	ATRI	Mon, Jul 18, 2022	648.51	648.51	644.69	644.69
7590	NASDAQ	ATRI	Fri, Jul 15, 2022	639.93	647.60	639.93	647.60
7589	NASDAQ	ATRI	Thu, Jul 14, 2022	598.47	632.14	598.47	632.14
7588	NASDAQ	ATRI	Wed, Jul 13, 2022	606.52	606.52	606.52	606.52
7587	NASDAQ	ATRI	Tue, Jul 12, 2022	620.05	620.05	614.00	614.00
7586	NASDAQ	ATRI	Mon, Jul 11, 2022	613.49	625.00	613.49	618.01
7585	NASDAQ	ATRI	Fri, Jul 8, 2022	621.46	629.93	618.19	618.19
7584	NASDAQ	ATRI	Thu, Jul 7, 2022	625.32	629.99	625.32	629.70
7583	NASDAQ	ATRI	Wed, Jul 6, 2022	618.76	619.40	618.76	619.40
7582	NASDAQ	ATRI	Tue, Jul 5, 2022	626.49	628.20	626.49	628.20
7581	NASDAQ	ATRI	Fri, Jul 1, 2022	630.00	635.68	629.90	635.68
7580	NASDAQ	ATRI	Thu, Jun 30, 2022	629.78	629.78	628.86	628.86
7579	NASDAQ	ATRI	Wed, Jun 29, 2022	617.67	624.90	617.67	624.90
7578	NASDAQ	ATRI	Tue, Jun 28, 2022	633.04	633.04	624.92	624.92
7577	NASDAQ	ATRI	Mon, Jun 27, 2022	646.11	646.60	644.99	644.99
7576	NASDAQ	ATRI	Fri, Jun 24, 2022	641.00	646.66	641.00	646.66
7575	NASDAQ	ATRI	Thu, Jun 23, 2022	624.81	628.88	624.81	628.88
7574	NASDAQ	ATRI	Wed, Jun 22, 2022	617.99	617.99	617.99	617.99
7573	NASDAQ	ATRI	Tue, Jun 21, 2022	633.09	633.09	623.20	623.20
7572	NASDAQ	ATRI	Fri, Jun 17, 2022	634.20	637.01	626.75	626.75
7571	NASDAQ	ATRI	Thu, Jun 16, 2022	622.50	630.89	622.50	630.89
7570	NASDAQ	ATRI	Wed, Jun 15, 2022	625.98	642.89	624.99	638.97
7569	NASDAQ	ATRI	Tue, Jun 14, 2022	615.00	618.05	610.00	618.00
7568	NASDAQ	ATRI	Mon, Jun 13, 2022	614.34	619.62	612.15	612.15
7567	NASDAQ	ATRI	Fri, Jun 10, 2022	611.62	619.82	611.62	614.98
7566	NASDAQ	ATRI	Thu, Jun 9, 2022	615.00	618.00	608.00	608.00
7565	NASDAQ	ATRI	Wed, Jun 8, 2022	607.00	616.00	607.00	613.00
7564	NASDAQ	ATRI	Tue, Jun 7, 2022	613.52	626.00	613.52	617.71
7563	NASDAQ	ATRI	Mon, Jun 6, 2022	615.98	617.02	615.98	617.02
7562	NASDAQ	ATRI	Fri, Jun 3, 2022	615.10	615.30	615.10	615.30
7561	NASDAQ	ATRI	Thu, Jun 2, 2022	639.75	639.75	635.42	635.42
7560	NASDAQ	ATRI	Wed, Jun 1, 2022	633.05	633.05	629.98	629.98
7559	NASDAQ	ATRI	Tue, May 31, 2022	625.62	628.79	621.78	628.79
7558	NASDAQ	ATRI	Fri, May 27, 2022	630.00	631.25	630.00	631.25
7557	NASDAQ	ATRI	Thu, May 26, 2022	643.00	643.00	623.00	623.00
7556	NASDAQ	ATRI	Wed, May 25, 2022	632.00	636.40	631.00	631.00
7555	NASDAQ	ATRI	Tue, May 24, 2022	611.79	624.50	611.79	624.50
7554	NASDAQ	ATRI	Mon, May 23, 2022	622.51	633.41	617.70	629.00
7553	NASDAQ	ATRI	Fri, May 20, 2022	617.63	622.16	603.53	622.16
7552	NASDAQ	ATRI	Thu, May 19, 2022	611.01	623.44	611.01	620.07
7551	NASDAQ	ATRI	Wed, May 18, 2022	630.53	630.53	630.53	630.53
7550	NASDAQ	ATRI	Tue, May 17, 2022	638.32	640.00	638.32	640.00
7549	NASDAQ	ATRI	Mon, May 16, 2022	623.14	633.52	620.31	632.00
7548	NASDAQ	ATRI	Fri, May 13, 2022	611.55	619.00	611.55	614.00
7547	NASDAQ	ATRI	Thu, May 12, 2022	605.00	605.00	605.00	605.00
7546	NASDAQ	ATRI	Wed, May 11, 2022	639.00	642.23	617.15	617.15
7545	NASDAQ	ATRI	Tue, May 10, 2022	632.13	635.00	629.21	629.21
7544	NASDAQ	ATRI	Mon, May 9, 2022	633.75	633.75	619.00	622.60
7543	NASDAQ	ATRI	Fri, May 6, 2022	623.18	635.00	616.25	635.00
7542	NASDAQ	ATRI	Thu, May 5, 2022	635.45	635.45	635.45	635.45
7541	NASDAQ	ATRI	Wed, May 4, 2022	642.01	659.18	642.01	659.18
7540	NASDAQ	ATRI	Tue, May 3, 2022	644.00	646.57	636.00	645.20
7539	NASDAQ	ATRI	Mon, May 2, 2022	635.65	640.00	616.68	638.90
7538	NASDAQ	ATRI	Fri, Apr 29, 2022	632.37	632.37	625.01	626.62
7537	NASDAQ	ATRI	Thu, Apr 28, 2022	652.90	652.90	652.90	652.90
7536	NASDAQ	ATRI	Wed, Apr 27, 2022	654.76	661.02	651.99	661.02
7535	NASDAQ	ATRI	Tue, Apr 26, 2022	669.00	669.00	663.14	663.14
7534	NASDAQ	ATRI	Mon, Apr 25, 2022	670.00	678.75	670.00	678.75
7533	NASDAQ	ATRI	Fri, Apr 22, 2022	678.35	681.35	676.00	676.00
7532	NASDAQ	ATRI	Thu, Apr 21, 2022	693.38	693.38	693.38	693.38
7531	NASDAQ	ATRI	Wed, Apr 20, 2022	719.12	719.12	711.88	716.98
7530	NASDAQ	ATRI	Tue, Apr 19, 2022	733.76	733.76	733.76	733.76
7529	NASDAQ	ATRI	Mon, Apr 18, 2022	734.50	738.66	733.83	737.75
7528	NASDAQ	ATRI	Thu, Apr 14, 2022	757.14	757.14	732.88	732.88
7527	NASDAQ	ATRI	Wed, Apr 13, 2022	766.72	766.72	755.36	756.24
7526	NASDAQ	ATRI	Tue, Apr 12, 2022	747.50	763.25	747.50	763.25
7525	NASDAQ	ATRI	Mon, Apr 11, 2022	739.00	739.99	734.80	736.21
7524	NASDAQ	ATRI	Fri, Apr 8, 2022	730.00	744.00	730.00	739.99
7523	NASDAQ	ATRI	Thu, Apr 7, 2022	748.50	749.20	736.99	736.99
7522	NASDAQ	ATRI	Wed, Apr 6, 2022	720.00	753.90	720.00	742.00
7521	NASDAQ	ATRI	Tue, Apr 5, 2022	714.88	714.88	714.88	714.88
7520	NASDAQ	ATRI	Mon, Apr 4, 2022	710.00	713.00	705.16	705.16
7519	NASDAQ	ATRI	Fri, Apr 1, 2022	701.90	709.72	701.90	709.72
7518	NASDAQ	ATRI	Thu, Mar 31, 2022	713.00	713.00	713.00	713.00
7517	NASDAQ	ATRI	Wed, Mar 30, 2022	715.21	715.21	715.21	715.21
7516	NASDAQ	ATRI	Tue, Mar 29, 2022	731.91	737.04	723.20	727.00
7515	NASDAQ	ATRI	Mon, Mar 28, 2022	748.15	748.15	731.36	731.36
7514	NASDAQ	ATRI	Fri, Mar 25, 2022	739.64	739.64	733.34	733.34
7513	NASDAQ	ATRI	Thu, Mar 24, 2022	721.87	729.15	719.00	729.15
7512	NASDAQ	ATRI	Wed, Mar 23, 2022	721.58	726.30	714.72	718.12
7511	NASDAQ	ATRI	Tue, Mar 22, 2022	732.00	738.18	726.94	726.94
7510	NASDAQ	ATRI	Mon, Mar 21, 2022	739.02	739.02	734.43	734.43
7509	NASDAQ	ATRI	Fri, Mar 18, 2022	750.13	750.13	738.69	738.69
7508	NASDAQ	ATRI	Thu, Mar 17, 2022	775.00	775.21	747.17	749.70
7507	NASDAQ	ATRI	Wed, Mar 16, 2022	730.00	755.40	729.00	755.40
7506	NASDAQ	ATRI	Tue, Mar 15, 2022	765.44	776.10	738.00	738.00
7505	NASDAQ	ATRI	Mon, Mar 14, 2022	757.00	783.80	750.00	763.00
7504	NASDAQ	ATRI	Fri, Mar 11, 2022	750.00	764.05	721.21	721.21
7503	NASDAQ	ATRI	Thu, Mar 10, 2022	719.76	742.95	717.03	742.95
7502	NASDAQ	ATRI	Wed, Mar 9, 2022	730.80	740.00	702.00	712.85
7501	NASDAQ	ATRI	Tue, Mar 8, 2022	713.42	726.50	713.42	720.05
7500	NASDAQ	ATRI	Mon, Mar 7, 2022	722.57	727.39	722.57	724.20
7499	NASDAQ	ATRI	Fri, Mar 4, 2022	725.00	729.18	724.20	724.20
7498	NASDAQ	ATRI	Thu, Mar 3, 2022	726.10	726.10	726.10	726.10
7497	NASDAQ	ATRI	Wed, Mar 2, 2022	729.64	746.10	729.64	737.00
7496	NASDAQ	ATRI	Tue, Mar 1, 2022	739.49	740.98	730.60	730.60
7495	NASDAQ	ATRI	Mon, Feb 28, 2022	702.79	728.62	702.79	715.46
7494	NASDAQ	ATRI	Fri, Feb 25, 2022	700.63	705.75	694.24	705.75
7493	NASDAQ	ATRI	Thu, Feb 24, 2022	654.36	692.10	653.80	692.10
7492	NASDAQ	ATRI	Wed, Feb 23, 2022	651.08	661.85	651.08	653.04
7491	NASDAQ	ATRI	Tue, Feb 22, 2022	654.09	664.00	654.09	664.00
7490	NASDAQ	ATRI	Fri, Feb 18, 2022	650.37	659.51	650.37	659.10
7489	NASDAQ	ATRI	Thu, Feb 17, 2022	654.60	659.00	653.32	653.32
7488	NASDAQ	ATRI	Wed, Feb 16, 2022	653.12	663.82	653.12	663.82
7487	NASDAQ	ATRI	Tue, Feb 15, 2022	653.05	671.52	653.05	658.69
7486	NASDAQ	ATRI	Mon, Feb 14, 2022	658.61	658.61	648.20	648.20
7485	NASDAQ	ATRI	Fri, Feb 11, 2022	654.51	654.51	653.38	653.38
7484	NASDAQ	ATRI	Thu, Feb 10, 2022	659.40	668.31	654.99	659.00
7483	NASDAQ	ATRI	Wed, Feb 9, 2022	652.00	659.12	646.00	657.95
7482	NASDAQ	ATRI	Tue, Feb 8, 2022	630.00	657.05	629.00	646.90
7481	NASDAQ	ATRI	Mon, Feb 7, 2022	621.02	635.00	621.00	632.00
7480	NASDAQ	ATRI	Fri, Feb 4, 2022	600.00	632.00	600.00	632.00
7479	NASDAQ	ATRI	Thu, Feb 3, 2022	600.00	604.53	600.00	601.40
7478	NASDAQ	ATRI	Wed, Feb 2, 2022	616.00	616.00	613.40	613.40
7477	NASDAQ	ATRI	Tue, Feb 1, 2022	615.31	618.00	596.00	616.10
7476	NASDAQ	ATRI	Mon, Jan 31, 2022	622.76	625.00	600.23	605.41
7475	NASDAQ	ATRI	Fri, Jan 28, 2022	586.28	610.00	585.27	610.00
7474	NASDAQ	ATRI	Thu, Jan 27, 2022	601.25	612.73	601.25	607.31
7473	NASDAQ	ATRI	Wed, Jan 26, 2022	628.00	643.29	607.52	608.73
7472	NASDAQ	ATRI	Tue, Jan 25, 2022	653.57	653.57	624.55	624.55
7471	NASDAQ	ATRI	Mon, Jan 24, 2022	620.92	650.50	618.92	650.50
7470	NASDAQ	ATRI	Fri, Jan 21, 2022	629.81	632.40	617.10	617.10
7469	NASDAQ	ATRI	Thu, Jan 20, 2022	636.00	636.00	636.00	636.00
7468	NASDAQ	ATRI	Wed, Jan 19, 2022	658.13	662.06	658.13	662.06
7467	NASDAQ	ATRI	Tue, Jan 18, 2022	676.48	682.03	660.00	660.00
7466	NASDAQ	ATRI	Fri, Jan 14, 2022	696.00	696.00	692.49	692.49
7465	NASDAQ	ATRI	Thu, Jan 13, 2022	674.47	678.77	670.57	670.57
7464	NASDAQ	ATRI	Wed, Jan 12, 2022	683.10	683.10	683.10	683.10
7463	NASDAQ	ATRI	Tue, Jan 11, 2022	680.51	680.51	675.00	677.77
7462	NASDAQ	ATRI	Mon, Jan 10, 2022	655.29	677.54	655.29	677.54
7461	NASDAQ	ATRI	Fri, Jan 7, 2022	669.82	669.82	669.82	669.82
7460	NASDAQ	ATRI	Thu, Jan 6, 2022	677.10	677.10	673.12	673.12
7459	NASDAQ	ATRI	Wed, Jan 5, 2022	709.24	709.24	672.01	672.01
7458	NASDAQ	ATRI	Tue, Jan 4, 2022	695.45	695.45	686.50	693.22
7457	NASDAQ	ATRI	Mon, Jan 3, 2022	690.48	703.96	687.55	703.32
7456	NASDAQ	ATRI	Fri, Dec 31, 2021	725.97	725.97	704.90	704.90
7455	NASDAQ	ATRI	Thu, Dec 30, 2021	709.00	709.00	699.90	699.90
7454	NASDAQ	ATRI	Wed, Dec 29, 2021	713.56	713.56	690.27	695.72
7453	NASDAQ	ATRI	Tue, Dec 28, 2021	716.29	732.50	705.67	715.44
7452	NASDAQ	ATRI	Mon, Dec 27, 2021	665.01	724.96	662.67	713.50
7451	NASDAQ	ATRI	Thu, Dec 23, 2021	654.28	659.47	643.99	659.47
7450	NASDAQ	ATRI	Wed, Dec 22, 2021	621.00	657.69	621.00	650.15
7449	NASDAQ	ATRI	Tue, Dec 21, 2021	709.82	714.00	696.48	699.97
7448	NASDAQ	ATRI	Mon, Dec 20, 2021	692.14	788.00	692.14	709.90
7447	NASDAQ	ATRI	Fri, Dec 17, 2021	657.72	684.00	652.91	684.00
7446	NASDAQ	ATRI	Thu, Dec 16, 2021	686.41	686.41	655.49	655.49
7445	NASDAQ	ATRI	Wed, Dec 15, 2021	671.05	683.00	664.00	679.32
7444	NASDAQ	ATRI	Tue, Dec 14, 2021	679.00	683.49	663.25	672.26
7443	NASDAQ	ATRI	Mon, Dec 13, 2021	687.38	692.01	682.56	686.00
7442	NASDAQ	ATRI	Fri, Dec 10, 2021	704.25	704.25	698.50	698.50
7441	NASDAQ	ATRI	Thu, Dec 9, 2021	694.80	706.34	690.00	701.00
7440	NASDAQ	ATRI	Wed, Dec 8, 2021	688.35	688.35	688.35	688.35
7439	NASDAQ	ATRI	Tue, Dec 7, 2021	706.60	713.99	701.71	701.71
7438	NASDAQ	ATRI	Mon, Dec 6, 2021	712.77	716.31	702.00	708.69
7437	NASDAQ	ATRI	Fri, Dec 3, 2021	742.29	742.29	694.00	697.88
7436	NASDAQ	ATRI	Thu, Dec 2, 2021	700.63	715.00	700.63	715.00
7435	NASDAQ	ATRI	Wed, Dec 1, 2021	705.00	705.00	697.00	697.00
7434	NASDAQ	ATRI	Tue, Nov 30, 2021	712.09	712.09	703.99	709.99
7433	NASDAQ	ATRI	Mon, Nov 29, 2021	712.20	712.20	712.20	712.20
7432	NASDAQ	ATRI	Fri, Nov 26, 2021	765.00	765.00	735.20	735.20
7431	NASDAQ	ATRI	Wed, Nov 24, 2021	761.50	761.50	761.50	761.50
7430	NASDAQ	ATRI	Tue, Nov 23, 2021	752.49	766.00	743.21	766.00
7429	NASDAQ	ATRI	Mon, Nov 22, 2021	760.31	761.21	760.31	761.21
7428	NASDAQ	ATRI	Fri, Nov 19, 2021	775.46	775.46	758.44	758.44
7427	NASDAQ	ATRI	Thu, Nov 18, 2021	778.65	789.99	778.65	786.35
7426	NASDAQ	ATRI	Wed, Nov 17, 2021	775.20	775.20	771.01	771.01
7425	NASDAQ	ATRI	Tue, Nov 16, 2021	784.88	784.88	780.12	780.12
7424	NASDAQ	ATRI	Mon, Nov 15, 2021	782.00	782.12	780.00	782.12
7423	NASDAQ	ATRI	Fri, Nov 12, 2021	799.20	799.20	796.40	796.40
7422	NASDAQ	ATRI	Thu, Nov 11, 2021	797.02	797.02	797.02	797.02
7421	NASDAQ	ATRI	Wed, Nov 10, 2021	805.62	805.62	794.78	800.30
7420	NASDAQ	ATRI	Tue, Nov 9, 2021	790.00	803.34	780.00	802.00
7419	NASDAQ	ATRI	Mon, Nov 8, 2021	786.00	786.00	786.00	786.00
7418	NASDAQ	ATRI	Fri, Nov 5, 2021	780.00	789.00	780.00	781.69
7417	NASDAQ	ATRI	Thu, Nov 4, 2021	768.00	775.41	768.00	773.10
7416	NASDAQ	ATRI	Wed, Nov 3, 2021	770.00	787.28	770.00	776.00
7415	NASDAQ	ATRI	Tue, Nov 2, 2021	748.45	770.30	748.45	769.50
7414	NASDAQ	ATRI	Mon, Nov 1, 2021	728.00	740.97	717.76	740.97
7413	NASDAQ	ATRI	Fri, Oct 29, 2021	709.62	729.71	708.60	728.00
7412	NASDAQ	ATRI	Thu, Oct 28, 2021	686.29	698.80	686.29	695.17
7411	NASDAQ	ATRI	Wed, Oct 27, 2021	706.16	709.08	692.33	700.62
7410	NASDAQ	ATRI	Tue, Oct 26, 2021	699.45	713.49	699.45	713.49
7409	NASDAQ	ATRI	Mon, Oct 25, 2021	713.50	714.00	708.00	711.80
7408	NASDAQ	ATRI	Fri, Oct 22, 2021	708.85	717.00	707.24	717.00
7407	NASDAQ	ATRI	Thu, Oct 21, 2021	708.00	719.17	708.00	710.15
7406	NASDAQ	ATRI	Wed, Oct 20, 2021	694.00	705.45	688.00	703.90
7405	NASDAQ	ATRI	Tue, Oct 19, 2021	686.11	686.11	686.11	686.11
7404	NASDAQ	ATRI	Mon, Oct 18, 2021	680.50	688.98	679.00	688.98
7403	NASDAQ	ATRI	Fri, Oct 15, 2021	700.90	700.90	674.81	674.81
7402	NASDAQ	ATRI	Thu, Oct 14, 2021	706.25	706.25	694.00	696.80
7401	NASDAQ	ATRI	Wed, Oct 13, 2021	694.77	703.77	694.23	703.77
7400	NASDAQ	ATRI	Tue, Oct 12, 2021	683.30	694.10	682.90	694.10
7399	NASDAQ	ATRI	Mon, Oct 11, 2021	682.24	685.00	680.51	680.51
7398	NASDAQ	ATRI	Fri, Oct 8, 2021	685.00	689.43	677.80	684.69
7397	NASDAQ	ATRI	Thu, Oct 7, 2021	690.00	695.50	683.36	683.36
7396	NASDAQ	ATRI	Wed, Oct 6, 2021	688.90	693.79	683.38	688.48
7395	NASDAQ	ATRI	Tue, Oct 5, 2021	695.00	695.08	690.00	690.00
7394	NASDAQ	ATRI	Mon, Oct 4, 2021	691.06	691.08	691.06	691.08
7393	NASDAQ	ATRI	Fri, Oct 1, 2021	701.00	709.60	700.00	703.51
7392	NASDAQ	ATRI	Thu, Sep 30, 2021	704.00	712.06	697.50	697.50
7391	NASDAQ	ATRI	Wed, Sep 29, 2021	705.06	711.10	700.41	703.67
7390	NASDAQ	ATRI	Tue, Sep 28, 2021	693.00	695.30	687.01	693.35
7389	NASDAQ	ATRI	Mon, Sep 27, 2021	681.00	710.79	681.00	694.98
7388	NASDAQ	ATRI	Fri, Sep 24, 2021	674.44	683.28	674.44	680.15
7387	NASDAQ	ATRI	Thu, Sep 23, 2021	682.50	684.50	670.10	675.34
7386	NASDAQ	ATRI	Wed, Sep 22, 2021	685.00	686.36	680.00	680.40
7385	NASDAQ	ATRI	Tue, Sep 21, 2021	700.00	711.21	689.55	702.95
7384	NASDAQ	ATRI	Mon, Sep 20, 2021	729.20	729.20	704.00	709.49
7383	NASDAQ	ATRI	Fri, Sep 17, 2021	735.36	747.73	726.91	728.98
7382	NASDAQ	ATRI	Thu, Sep 16, 2021	734.30	735.00	731.00	731.00
7381	NASDAQ	ATRI	Wed, Sep 15, 2021	737.48	742.06	726.79	739.12
7380	NASDAQ	ATRI	Tue, Sep 14, 2021	760.00	760.00	740.57	740.57
7379	NASDAQ	ATRI	Mon, Sep 13, 2021	776.23	783.84	755.01	758.00
7378	NASDAQ	ATRI	Fri, Sep 10, 2021	746.40	757.80	746.00	757.80
7377	NASDAQ	ATRI	Thu, Sep 9, 2021	734.31	752.60	730.27	746.00
7376	NASDAQ	ATRI	Wed, Sep 8, 2021	726.39	736.94	726.39	727.01
7375	NASDAQ	ATRI	Tue, Sep 7, 2021	714.80	733.00	710.94	733.00
7374	NASDAQ	ATRI	Fri, Sep 3, 2021	705.00	718.48	705.00	714.99
7373	NASDAQ	ATRI	Thu, Sep 2, 2021	705.00	709.72	704.70	704.70
7372	NASDAQ	ATRI	Wed, Sep 1, 2021	689.31	704.77	689.31	699.55
7371	NASDAQ	ATRI	Tue, Aug 31, 2021	712.66	712.66	694.06	694.06
7370	NASDAQ	ATRI	Mon, Aug 30, 2021	703.63	703.63	703.63	703.63
7369	NASDAQ	ATRI	Fri, Aug 27, 2021	698.97	709.43	696.30	702.01
7368	NASDAQ	ATRI	Thu, Aug 26, 2021	700.99	710.00	698.97	698.97
7367	NASDAQ	ATRI	Wed, Aug 25, 2021	713.45	731.50	705.27	709.95
7366	NASDAQ	ATRI	Tue, Aug 24, 2021	705.00	730.58	699.95	714.00
7365	NASDAQ	ATRI	Mon, Aug 23, 2021	691.99	718.90	683.87	703.50
7364	NASDAQ	ATRI	Fri, Aug 20, 2021	685.28	699.00	685.28	694.05
7363	NASDAQ	ATRI	Thu, Aug 19, 2021	670.04	681.49	668.99	681.49
7362	NASDAQ	ATRI	Wed, Aug 18, 2021	659.10	695.00	659.10	666.42
7361	NASDAQ	ATRI	Tue, Aug 17, 2021	641.66	667.48	641.66	665.59
7360	NASDAQ	ATRI	Mon, Aug 16, 2021	628.30	646.62	628.30	641.70
7359	NASDAQ	ATRI	Fri, Aug 13, 2021	633.00	633.00	627.20	627.20
7358	NASDAQ	ATRI	Thu, Aug 12, 2021	635.00	635.48	627.97	633.00
7357	NASDAQ	ATRI	Wed, Aug 11, 2021	635.22	635.76	634.00	634.90
7356	NASDAQ	ATRI	Tue, Aug 10, 2021	644.80	644.80	644.80	644.80
7355	NASDAQ	ATRI	Mon, Aug 9, 2021	650.00	665.48	646.01	646.01
7354	NASDAQ	ATRI	Fri, Aug 6, 2021	636.90	646.90	633.93	646.90
7353	NASDAQ	ATRI	Thu, Aug 5, 2021	630.02	630.02	628.14	628.14
7352	NASDAQ	ATRI	Wed, Aug 4, 2021	637.01	639.51	631.00	634.35
7351	NASDAQ	ATRI	Tue, Aug 3, 2021	633.46	634.98	630.34	634.98
7350	NASDAQ	ATRI	Mon, Aug 2, 2021	627.60	634.90	627.60	634.21
7349	NASDAQ	ATRI	Fri, Jul 30, 2021	632.01	632.01	628.94	628.94
7348	NASDAQ	ATRI	Thu, Jul 29, 2021	627.20	634.93	623.43	627.71
7347	NASDAQ	ATRI	Wed, Jul 28, 2021	613.96	625.20	613.96	625.20
7346	NASDAQ	ATRI	Tue, Jul 27, 2021	611.41	611.50	606.10	606.10
7345	NASDAQ	ATRI	Mon, Jul 26, 2021	615.02	615.02	608.50	612.24
7344	NASDAQ	ATRI	Fri, Jul 23, 2021	610.00	615.60	607.50	615.60
7343	NASDAQ	ATRI	Thu, Jul 22, 2021	614.51	614.51	607.00	611.00
7342	NASDAQ	ATRI	Wed, Jul 21, 2021	615.00	618.44	610.55	610.55
7341	NASDAQ	ATRI	Tue, Jul 20, 2021	614.33	631.11	614.33	615.35
7340	NASDAQ	ATRI	Mon, Jul 19, 2021	609.62	610.00	609.00	610.00
7339	NASDAQ	ATRI	Fri, Jul 16, 2021	615.64	617.88	610.12	610.12
7338	NASDAQ	ATRI	Thu, Jul 15, 2021	606.50	609.70	604.98	609.70
7337	NASDAQ	ATRI	Wed, Jul 14, 2021	611.98	612.48	605.01	605.01
7336	NASDAQ	ATRI	Tue, Jul 13, 2021	614.26	614.26	608.96	608.96
7335	NASDAQ	ATRI	Mon, Jul 12, 2021	614.07	614.07	614.07	614.07
7334	NASDAQ	ATRI	Fri, Jul 9, 2021	596.99	608.49	596.45	606.65
7333	NASDAQ	ATRI	Thu, Jul 8, 2021	585.97	595.00	585.97	594.24
7332	NASDAQ	ATRI	Wed, Jul 7, 2021	600.00	601.00	595.44	595.44
7331	NASDAQ	ATRI	Tue, Jul 6, 2021	607.00	607.00	591.16	594.90
7330	NASDAQ	ATRI	Fri, Jul 2, 2021	624.00	624.00	600.47	603.00
7329	NASDAQ	ATRI	Thu, Jul 1, 2021	623.82	623.82	623.82	623.82
7328	NASDAQ	ATRI	Wed, Jun 30, 2021	607.10	627.98	607.10	620.93
7327	NASDAQ	ATRI	Tue, Jun 29, 2021	614.51	614.51	609.30	609.79
7326	NASDAQ	ATRI	Mon, Jun 28, 2021	606.94	609.00	602.69	609.00
7325	NASDAQ	ATRI	Fri, Jun 25, 2021	609.00	614.90	606.13	606.13
7324	NASDAQ	ATRI	Thu, Jun 24, 2021	612.00	620.02	612.00	614.06
7323	NASDAQ	ATRI	Wed, Jun 23, 2021	583.99	613.31	579.96	605.90
7322	NASDAQ	ATRI	Tue, Jun 22, 2021	598.80	602.43	581.10	582.88
7321	NASDAQ	ATRI	Mon, Jun 21, 2021	604.44	609.00	599.21	599.21
7320	NASDAQ	ATRI	Fri, Jun 18, 2021	616.30	620.10	599.32	600.00
7319	NASDAQ	ATRI	Thu, Jun 17, 2021	626.00	626.00	622.82	622.82
7318	NASDAQ	ATRI	Wed, Jun 16, 2021	631.11	631.11	619.98	621.00
7317	NASDAQ	ATRI	Tue, Jun 15, 2021	630.61	631.00	627.11	627.11
7316	NASDAQ	ATRI	Mon, Jun 14, 2021	623.70	628.50	623.70	628.50
7315	NASDAQ	ATRI	Fri, Jun 11, 2021	632.77	632.77	619.65	619.65
7314	NASDAQ	ATRI	Thu, Jun 10, 2021	630.73	632.48	625.00	625.00
7313	NASDAQ	ATRI	Wed, Jun 9, 2021	624.00	628.69	624.00	628.69
7312	NASDAQ	ATRI	Tue, Jun 8, 2021	621.00	623.50	615.58	621.70
7311	NASDAQ	ATRI	Mon, Jun 7, 2021	618.99	629.45	617.01	618.20
7310	NASDAQ	ATRI	Fri, Jun 4, 2021	622.73	627.92	620.27	621.20
7309	NASDAQ	ATRI	Thu, Jun 3, 2021	613.11	619.92	613.11	616.00
7308	NASDAQ	ATRI	Wed, Jun 2, 2021	627.21	635.31	616.46	617.06
7307	NASDAQ	ATRI	Tue, Jun 1, 2021	618.70	630.40	618.70	627.25
7306	NASDAQ	ATRI	Fri, May 28, 2021	620.00	624.90	616.97	621.00
7305	NASDAQ	ATRI	Thu, May 27, 2021	618.00	620.05	614.05	614.05
7304	NASDAQ	ATRI	Wed, May 26, 2021	604.10	637.68	604.10	612.16
7303	NASDAQ	ATRI	Tue, May 25, 2021	591.95	618.00	591.95	610.18
7302	NASDAQ	ATRI	Mon, May 24, 2021	587.15	591.94	587.10	587.10
7301	NASDAQ	ATRI	Fri, May 21, 2021	597.90	599.01	592.50	594.69
7300	NASDAQ	ATRI	Thu, May 20, 2021	604.20	604.99	592.75	595.47
7299	NASDAQ	ATRI	Wed, May 19, 2021	604.00	604.91	593.69	597.80
7298	NASDAQ	ATRI	Tue, May 18, 2021	605.95	614.51	604.58	604.58
7297	NASDAQ	ATRI	Mon, May 17, 2021	603.98	612.89	603.90	607.45
7296	NASDAQ	ATRI	Fri, May 14, 2021	598.60	610.00	598.60	600.39
7295	NASDAQ	ATRI	Thu, May 13, 2021	600.10	610.01	599.80	603.90
7294	NASDAQ	ATRI	Wed, May 12, 2021	613.52	624.01	596.29	596.61
7293	NASDAQ	ATRI	Tue, May 11, 2021	614.80	629.71	614.80	617.00
7292	NASDAQ	ATRI	Mon, May 10, 2021	631.62	631.62	617.99	620.62
7291	NASDAQ	ATRI	Fri, May 7, 2021	617.44	630.10	617.44	625.97
7290	NASDAQ	ATRI	Thu, May 6, 2021	609.90	633.53	609.90	612.08
7289	NASDAQ	ATRI	Wed, May 5, 2021	610.10	616.13	594.98	601.52
7288	NASDAQ	ATRI	Tue, May 4, 2021	615.00	615.00	613.00	613.22
7287	NASDAQ	ATRI	Mon, May 3, 2021	642.01	645.81	632.85	633.10
7286	NASDAQ	ATRI	Fri, Apr 30, 2021	636.91	638.60	636.91	638.60
7285	NASDAQ	ATRI	Thu, Apr 29, 2021	646.57	646.80	646.28	646.80
7284	NASDAQ	ATRI	Wed, Apr 28, 2021	648.53	648.53	639.14	639.14
7283	NASDAQ	ATRI	Tue, Apr 27, 2021	648.68	654.53	645.06	648.84
7282	NASDAQ	ATRI	Mon, Apr 26, 2021	658.00	668.03	645.51	650.10
7281	NASDAQ	ATRI	Fri, Apr 23, 2021	662.50	670.00	654.20	654.20
7280	NASDAQ	ATRI	Thu, Apr 22, 2021	664.99	670.60	659.44	662.27
7279	NASDAQ	ATRI	Wed, Apr 21, 2021	656.81	671.44	653.90	670.99
7278	NASDAQ	ATRI	Tue, Apr 20, 2021	641.40	651.58	641.40	651.58
7277	NASDAQ	ATRI	Mon, Apr 19, 2021	666.43	666.43	648.00	653.00
7276	NASDAQ	ATRI	Fri, Apr 16, 2021	659.44	669.80	659.44	669.80
7275	NASDAQ	ATRI	Thu, Apr 15, 2021	651.36	657.00	651.36	657.00
7274	NASDAQ	ATRI	Wed, Apr 14, 2021	648.61	651.69	645.51	645.51
7273	NASDAQ	ATRI	Tue, Apr 13, 2021	649.85	649.85	645.10	645.10
7272	NASDAQ	ATRI	Mon, Apr 12, 2021	652.73	662.18	645.10	645.10
7271	NASDAQ	ATRI	Fri, Apr 9, 2021	645.34	645.34	639.63	644.00
7270	NASDAQ	ATRI	Thu, Apr 8, 2021	641.89	641.89	641.89	641.89
7269	NASDAQ	ATRI	Wed, Apr 7, 2021	642.94	646.69	642.00	642.00
7268	NASDAQ	ATRI	Tue, Apr 6, 2021	649.00	649.00	646.00	646.00
7267	NASDAQ	ATRI	Mon, Apr 5, 2021	649.16	651.75	649.14	649.14
7266	NASDAQ	ATRI	Thu, Apr 1, 2021	643.80	650.80	643.40	643.40
7265	NASDAQ	ATRI	Wed, Mar 31, 2021	647.45	664.53	641.31	641.31
7264	NASDAQ	ATRI	Tue, Mar 30, 2021	635.91	650.96	635.91	645.53
7263	NASDAQ	ATRI	Mon, Mar 29, 2021	634.61	640.01	630.80	640.01
7262	NASDAQ	ATRI	Fri, Mar 26, 2021	641.72	644.50	641.72	642.03
7261	NASDAQ	ATRI	Thu, Mar 25, 2021	652.04	654.40	636.53	644.30
7260	NASDAQ	ATRI	Wed, Mar 24, 2021	655.00	660.32	643.50	647.01
7259	NASDAQ	ATRI	Tue, Mar 23, 2021	663.00	663.00	643.63	646.39
7258	NASDAQ	ATRI	Mon, Mar 22, 2021	667.17	667.17	656.01	656.01
7257	NASDAQ	ATRI	Fri, Mar 19, 2021	687.24	687.24	667.78	668.75
7256	NASDAQ	ATRI	Thu, Mar 18, 2021	668.76	672.21	662.20	662.20
7255	NASDAQ	ATRI	Wed, Mar 17, 2021	674.66	676.38	666.40	675.88
7254	NASDAQ	ATRI	Tue, Mar 16, 2021	675.31	675.31	662.60	669.88
7253	NASDAQ	ATRI	Mon, Mar 15, 2021	692.59	692.59	667.01	673.60
7252	NASDAQ	ATRI	Fri, Mar 12, 2021	672.55	697.21	672.55	685.00
7251	NASDAQ	ATRI	Thu, Mar 11, 2021	645.38	680.97	645.38	680.97
7250	NASDAQ	ATRI	Wed, Mar 10, 2021	640.01	658.99	635.00	650.40
7249	NASDAQ	ATRI	Tue, Mar 9, 2021	624.67	654.00	624.67	644.53
7248	NASDAQ	ATRI	Mon, Mar 8, 2021	627.76	636.26	620.20	620.20
7247	NASDAQ	ATRI	Fri, Mar 5, 2021	615.30	632.90	614.75	632.90
7246	NASDAQ	ATRI	Thu, Mar 4, 2021	637.99	644.56	619.20	619.20
7245	NASDAQ	ATRI	Wed, Mar 3, 2021	635.25	635.25	615.00	634.19
7244	NASDAQ	ATRI	Tue, Mar 2, 2021	638.82	644.60	629.58	629.58
7243	NASDAQ	ATRI	Mon, Mar 1, 2021	617.61	644.32	617.61	638.81
7242	NASDAQ	ATRI	Fri, Feb 26, 2021	640.85	640.85	624.90	624.90
7241	NASDAQ	ATRI	Thu, Feb 25, 2021	654.97	655.90	640.00	640.00
7240	NASDAQ	ATRI	Wed, Feb 24, 2021	630.06	656.80	630.05	656.80
7239	NASDAQ	ATRI	Tue, Feb 23, 2021	620.00	636.18	617.04	630.63
7238	NASDAQ	ATRI	Mon, Feb 22, 2021	630.02	630.02	616.86	621.32
7237	NASDAQ	ATRI	Fri, Feb 19, 2021	641.34	645.00	629.10	629.10
7236	NASDAQ	ATRI	Thu, Feb 18, 2021	650.00	651.90	642.00	642.00
7235	NASDAQ	ATRI	Wed, Feb 17, 2021	659.73	661.00	653.84	653.84
7234	NASDAQ	ATRI	Tue, Feb 16, 2021	660.52	660.52	651.40	651.40
7233	NASDAQ	ATRI	Fri, Feb 12, 2021	688.32	688.35	662.10	662.10
7232	NASDAQ	ATRI	Thu, Feb 11, 2021	700.00	700.00	685.00	688.40
7231	NASDAQ	ATRI	Wed, Feb 10, 2021	688.00	688.00	688.00	688.00
7230	NASDAQ	ATRI	Tue, Feb 9, 2021	714.43	714.43	687.21	687.21
7229	NASDAQ	ATRI	Mon, Feb 8, 2021	699.44	707.02	690.50	696.00
7228	NASDAQ	ATRI	Fri, Feb 5, 2021	667.94	697.69	667.94	697.69
7227	NASDAQ	ATRI	Thu, Feb 4, 2021	637.05	668.51	637.05	665.00
7226	NASDAQ	ATRI	Wed, Feb 3, 2021	641.96	643.05	639.52	643.05
7225	NASDAQ	ATRI	Tue, Feb 2, 2021	643.11	655.52	635.01	647.90
7224	NASDAQ	ATRI	Mon, Feb 1, 2021	647.85	647.85	638.10	638.10
7223	NASDAQ	ATRI	Fri, Jan 29, 2021	663.00	670.06	651.47	651.47
7222	NASDAQ	ATRI	Thu, Jan 28, 2021	662.10	684.00	662.10	662.29
7221	NASDAQ	ATRI	Wed, Jan 27, 2021	685.48	685.48	665.01	666.81
7220	NASDAQ	ATRI	Tue, Jan 26, 2021	706.72	706.72	690.11	700.00
7219	NASDAQ	ATRI	Mon, Jan 25, 2021	731.25	743.10	700.77	715.11
7218	NASDAQ	ATRI	Fri, Jan 22, 2021	692.94	736.00	692.94	736.00
7217	NASDAQ	ATRI	Thu, Jan 21, 2021	710.41	710.41	693.88	698.31
7216	NASDAQ	ATRI	Wed, Jan 20, 2021	745.00	745.00	710.40	710.40
7215	NASDAQ	ATRI	Tue, Jan 19, 2021	732.11	744.98	698.71	731.48
7214	NASDAQ	ATRI	Fri, Jan 15, 2021	703.00	734.00	703.00	734.00
7213	NASDAQ	ATRI	Thu, Jan 14, 2021	662.10	722.77	662.10	708.55
7212	NASDAQ	ATRI	Wed, Jan 13, 2021	660.00	690.00	660.00	678.80
7211	NASDAQ	ATRI	Tue, Jan 12, 2021	667.79	697.35	667.79	679.98
7210	NASDAQ	ATRI	Mon, Jan 11, 2021	664.00	680.00	656.01	675.00
7209	NASDAQ	ATRI	Fri, Jan 8, 2021	668.73	668.73	666.54	666.54
7208	NASDAQ	ATRI	Thu, Jan 7, 2021	650.00	662.95	650.00	662.95
7207	NASDAQ	ATRI	Wed, Jan 6, 2021	653.50	672.53	652.59	667.61
7206	NASDAQ	ATRI	Tue, Jan 5, 2021	654.96	675.00	650.20	651.00
7205	NASDAQ	ATRI	Mon, Jan 4, 2021	642.60	675.00	642.60	654.10
7204	NASDAQ	ATRI	Thu, Dec 31, 2020	638.10	642.24	635.67	642.24
7203	NASDAQ	ATRI	Wed, Dec 30, 2020	640.20	640.50	635.00	640.50
7202	NASDAQ	ATRI	Tue, Dec 29, 2020	631.28	637.99	628.50	637.99
7201	NASDAQ	ATRI	Mon, Dec 28, 2020	634.01	644.36	630.10	635.58
7200	NASDAQ	ATRI	Thu, Dec 24, 2020	633.36	645.48	623.77	630.01
7199	NASDAQ	ATRI	Wed, Dec 23, 2020	636.99	637.55	628.00	628.00
7198	NASDAQ	ATRI	Tue, Dec 22, 2020	624.82	642.18	622.45	642.18
7197	NASDAQ	ATRI	Mon, Dec 21, 2020	627.18	629.00	616.00	624.14
7196	NASDAQ	ATRI	Fri, Dec 18, 2020	629.80	645.80	621.00	640.50
7195	NASDAQ	ATRI	Thu, Dec 17, 2020	620.07	623.50	620.07	622.15
7194	NASDAQ	ATRI	Wed, Dec 16, 2020	629.98	629.98	618.26	618.26
7193	NASDAQ	ATRI	Tue, Dec 15, 2020	623.65	635.49	622.85	627.90
7192	NASDAQ	ATRI	Mon, Dec 14, 2020	630.00	635.00	623.11	623.11
7191	NASDAQ	ATRI	Fri, Dec 11, 2020	628.00	628.00	613.55	623.74
7190	NASDAQ	ATRI	Thu, Dec 10, 2020	614.09	628.50	602.55	616.49
7189	NASDAQ	ATRI	Wed, Dec 9, 2020	625.44	636.23	615.00	615.50
7188	NASDAQ	ATRI	Tue, Dec 8, 2020	606.10	631.77	606.10	628.69
7187	NASDAQ	ATRI	Mon, Dec 7, 2020	635.00	635.00	606.33	618.00
7186	NASDAQ	ATRI	Fri, Dec 4, 2020	623.47	649.45	623.47	638.62
7185	NASDAQ	ATRI	Thu, Dec 3, 2020	601.97	615.30	595.00	615.30
7184	NASDAQ	ATRI	Wed, Dec 2, 2020	613.10	613.10	602.93	609.01
7183	NASDAQ	ATRI	Tue, Dec 1, 2020	610.00	614.98	601.78	609.00
7182	NASDAQ	ATRI	Mon, Nov 30, 2020	593.27	621.73	571.17	600.00
7181	NASDAQ	ATRI	Fri, Nov 27, 2020	590.13	597.50	580.50	594.41
7180	NASDAQ	ATRI	Wed, Nov 25, 2020	585.00	592.41	575.50	590.60
7179	NASDAQ	ATRI	Tue, Nov 24, 2020	580.69	585.99	567.00	585.99
7178	NASDAQ	ATRI	Mon, Nov 23, 2020	590.10	594.00	572.91	576.60
7177	NASDAQ	ATRI	Fri, Nov 20, 2020	593.51	600.74	591.35	592.10
7176	NASDAQ	ATRI	Thu, Nov 19, 2020	589.80	605.69	589.80	601.80
7175	NASDAQ	ATRI	Wed, Nov 18, 2020	606.00	607.69	585.00	585.00
7174	NASDAQ	ATRI	Tue, Nov 17, 2020	602.27	609.01	602.00	602.14
7173	NASDAQ	ATRI	Mon, Nov 16, 2020	602.59	615.73	602.59	612.50
7172	NASDAQ	ATRI	Fri, Nov 13, 2020	597.00	599.20	594.30	594.30
7171	NASDAQ	ATRI	Thu, Nov 12, 2020	583.33	592.00	583.33	588.70
7170	NASDAQ	ATRI	Wed, Nov 11, 2020	585.09	589.25	581.50	586.14
7169	NASDAQ	ATRI	Tue, Nov 10, 2020	602.00	602.07	590.00	593.70
7168	NASDAQ	ATRI	Mon, Nov 9, 2020	613.85	626.99	606.60	611.10
7167	NASDAQ	ATRI	Fri, Nov 6, 2020	609.17	609.17	602.10	602.10
7166	NASDAQ	ATRI	Thu, Nov 5, 2020	606.64	612.42	600.00	603.65
7165	NASDAQ	ATRI	Wed, Nov 4, 2020	610.04	610.67	604.56	604.56
7164	NASDAQ	ATRI	Tue, Nov 3, 2020	632.00	632.00	612.08	613.00
7163	NASDAQ	ATRI	Mon, Nov 2, 2020	611.25	611.25	611.25	611.25
7162	NASDAQ	ATRI	Fri, Oct 30, 2020	607.83	611.46	600.01	601.15
7161	NASDAQ	ATRI	Thu, Oct 29, 2020	614.00	620.90	612.00	612.00
7160	NASDAQ	ATRI	Wed, Oct 28, 2020	608.68	616.50	608.68	611.00
7159	NASDAQ	ATRI	Tue, Oct 27, 2020	645.00	649.83	631.21	631.21
7158	NASDAQ	ATRI	Mon, Oct 26, 2020	647.90	647.90	640.60	645.00
7157	NASDAQ	ATRI	Fri, Oct 23, 2020	663.96	667.03	655.15	655.15
7156	NASDAQ	ATRI	Thu, Oct 22, 2020	654.92	679.31	654.92	669.94
7155	NASDAQ	ATRI	Wed, Oct 21, 2020	645.00	658.00	640.35	658.00
7154	NASDAQ	ATRI	Tue, Oct 20, 2020	652.22	663.00	648.78	653.00
7153	NASDAQ	ATRI	Mon, Oct 19, 2020	674.88	678.50	655.50	655.50
7152	NASDAQ	ATRI	Fri, Oct 16, 2020	654.10	685.80	654.10	672.20
7151	NASDAQ	ATRI	Thu, Oct 15, 2020	642.50	657.85	641.51	657.85
7150	NASDAQ	ATRI	Wed, Oct 14, 2020	652.00	655.00	642.00	646.57
7149	NASDAQ	ATRI	Tue, Oct 13, 2020	642.20	652.50	640.48	649.98
7148	NASDAQ	ATRI	Mon, Oct 12, 2020	638.35	655.55	638.35	652.50
7147	NASDAQ	ATRI	Fri, Oct 9, 2020	629.90	645.91	626.10	640.35
7146	NASDAQ	ATRI	Thu, Oct 8, 2020	630.69	630.69	623.01	624.21
7145	NASDAQ	ATRI	Wed, Oct 7, 2020	630.00	632.00	623.00	629.11
7144	NASDAQ	ATRI	Tue, Oct 6, 2020	628.00	638.24	618.72	621.00
7143	NASDAQ	ATRI	Mon, Oct 5, 2020	613.00	625.50	608.00	625.50
7142	NASDAQ	ATRI	Fri, Oct 2, 2020	609.00	610.51	581.00	605.00
7141	NASDAQ	ATRI	Thu, Oct 1, 2020	631.00	631.00	608.01	611.10
7140	NASDAQ	ATRI	Wed, Sep 30, 2020	628.68	633.35	626.00	626.00
7139	NASDAQ	ATRI	Tue, Sep 29, 2020	631.33	632.98	621.10	622.10
7138	NASDAQ	ATRI	Mon, Sep 28, 2020	632.20	672.98	632.20	634.99
7137	NASDAQ	ATRI	Fri, Sep 25, 2020	653.44	653.44	620.93	630.62
7136	NASDAQ	ATRI	Thu, Sep 24, 2020	632.90	670.00	628.00	632.00
7135	NASDAQ	ATRI	Wed, Sep 23, 2020	630.00	630.02	629.95	630.02
7134	NASDAQ	ATRI	Tue, Sep 22, 2020	633.00	636.50	632.00	636.50
7133	NASDAQ	ATRI	Mon, Sep 21, 2020	648.40	648.40	630.00	636.89
7132	NASDAQ	ATRI	Fri, Sep 18, 2020	646.19	656.89	630.00	656.89
7131	NASDAQ	ATRI	Thu, Sep 17, 2020	634.50	634.50	630.39	630.39
7130	NASDAQ	ATRI	Wed, Sep 16, 2020	614.01	632.70	613.26	632.70
7129	NASDAQ	ATRI	Tue, Sep 15, 2020	634.18	637.85	630.00	631.01
7128	NASDAQ	ATRI	Mon, Sep 14, 2020	632.19	633.72	630.00	633.72
7127	NASDAQ	ATRI	Fri, Sep 11, 2020	631.01	636.23	631.01	633.25
7126	NASDAQ	ATRI	Thu, Sep 10, 2020	636.10	639.55	636.01	637.70
7125	NASDAQ	ATRI	Wed, Sep 9, 2020	638.53	640.80	638.40	640.80
7124	NASDAQ	ATRI	Tue, Sep 8, 2020	631.40	635.06	630.03	635.06
7123	NASDAQ	ATRI	Fri, Sep 4, 2020	660.20	660.20	625.72	643.79
7122	NASDAQ	ATRI	Thu, Sep 3, 2020	664.64	673.41	656.34	656.34
7121	NASDAQ	ATRI	Wed, Sep 2, 2020	640.20	671.98	640.20	658.00
7120	NASDAQ	ATRI	Tue, Sep 1, 2020	636.98	642.00	634.34	642.00
7119	NASDAQ	ATRI	Mon, Aug 31, 2020	655.79	656.60	631.02	631.72
7118	NASDAQ	ATRI	Fri, Aug 28, 2020	655.00	662.00	654.00	654.00
7117	NASDAQ	ATRI	Thu, Aug 27, 2020	670.27	671.45	661.98	662.00
7116	NASDAQ	ATRI	Wed, Aug 26, 2020	673.55	680.97	673.00	673.00
7115	NASDAQ	ATRI	Tue, Aug 25, 2020	667.95	673.06	641.00	672.00
7114	NASDAQ	ATRI	Mon, Aug 24, 2020	662.49	668.00	660.68	668.00
7113	NASDAQ	ATRI	Fri, Aug 21, 2020	685.60	686.64	661.00	662.49
7112	NASDAQ	ATRI	Thu, Aug 20, 2020	664.00	695.10	662.00	689.89
7111	NASDAQ	ATRI	Wed, Aug 19, 2020	659.44	666.10	658.21	666.10
7110	NASDAQ	ATRI	Tue, Aug 18, 2020	655.88	666.11	646.56	661.12
7109	NASDAQ	ATRI	Mon, Aug 17, 2020	657.66	664.11	653.63	659.99
7108	NASDAQ	ATRI	Fri, Aug 14, 2020	648.22	653.66	635.55	648.20
7107	NASDAQ	ATRI	Thu, Aug 13, 2020	651.50	659.40	651.50	656.00
7106	NASDAQ	ATRI	Wed, Aug 12, 2020	646.51	673.45	645.01	656.10
7105	NASDAQ	ATRI	Tue, Aug 11, 2020	656.16	659.40	644.60	644.60
7104	NASDAQ	ATRI	Mon, Aug 10, 2020	667.95	667.95	643.41	663.00
7103	NASDAQ	ATRI	Fri, Aug 7, 2020	658.00	661.00	630.56	645.91
7102	NASDAQ	ATRI	Thu, Aug 6, 2020	658.22	658.22	645.76	647.03
7101	NASDAQ	ATRI	Wed, Aug 5, 2020	650.00	650.00	645.00	645.00
7100	NASDAQ	ATRI	Tue, Aug 4, 2020	620.00	646.00	620.00	646.00
7099	NASDAQ	ATRI	Mon, Aug 3, 2020	631.99	631.99	614.04	622.20
7098	NASDAQ	ATRI	Fri, Jul 31, 2020	622.50	623.99	617.30	620.10
7097	NASDAQ	ATRI	Thu, Jul 30, 2020	619.56	645.18	614.15	622.55
7096	NASDAQ	ATRI	Wed, Jul 29, 2020	633.00	633.00	624.24	625.01
7095	NASDAQ	ATRI	Tue, Jul 28, 2020	633.60	641.34	628.00	630.22
7094	NASDAQ	ATRI	Mon, Jul 27, 2020	650.00	650.00	641.10	641.10
7093	NASDAQ	ATRI	Fri, Jul 24, 2020	623.30	649.40	623.30	646.50
7092	NASDAQ	ATRI	Thu, Jul 23, 2020	634.02	634.02	624.33	624.33
7091	NASDAQ	ATRI	Wed, Jul 22, 2020	639.00	639.00	632.00	632.00
7090	NASDAQ	ATRI	Tue, Jul 21, 2020	667.98	675.87	650.51	650.51
7089	NASDAQ	ATRI	Mon, Jul 20, 2020	658.77	665.56	658.77	665.56
7088	NASDAQ	ATRI	Fri, Jul 17, 2020	652.00	667.33	646.50	667.33
7087	NASDAQ	ATRI	Thu, Jul 16, 2020	657.00	664.35	655.55	655.55
7086	NASDAQ	ATRI	Wed, Jul 15, 2020	663.38	663.38	650.04	656.00
7085	NASDAQ	ATRI	Tue, Jul 14, 2020	646.00	646.00	646.00	646.00
7084	NASDAQ	ATRI	Mon, Jul 13, 2020	643.80	656.47	637.30	637.30
7083	NASDAQ	ATRI	Fri, Jul 10, 2020	628.80	637.29	624.50	637.29
7082	NASDAQ	ATRI	Thu, Jul 9, 2020	637.60	637.60	629.00	631.08
7081	NASDAQ	ATRI	Wed, Jul 8, 2020	643.01	643.01	637.20	637.20
7080	NASDAQ	ATRI	Tue, Jul 7, 2020	648.53	652.00	640.35	643.93
7079	NASDAQ	ATRI	Mon, Jul 6, 2020	656.89	680.00	640.73	651.20
7078	NASDAQ	ATRI	Thu, Jul 2, 2020	647.30	648.04	647.30	648.04
7077	NASDAQ	ATRI	Wed, Jul 1, 2020	644.00	655.76	638.61	646.90
7076	NASDAQ	ATRI	Tue, Jun 30, 2020	626.16	648.99	626.16	637.01
7075	NASDAQ	ATRI	Mon, Jun 29, 2020	627.90	633.00	627.90	633.00
7074	NASDAQ	ATRI	Fri, Jun 26, 2020	656.97	656.97	619.53	619.53
7073	NASDAQ	ATRI	Thu, Jun 25, 2020	651.10	662.87	648.41	661.90
7072	NASDAQ	ATRI	Wed, Jun 24, 2020	663.30	664.42	653.11	654.92
7071	NASDAQ	ATRI	Tue, Jun 23, 2020	657.69	663.99	657.69	663.99
7070	NASDAQ	ATRI	Mon, Jun 22, 2020	650.30	678.71	650.30	656.08
7069	NASDAQ	ATRI	Fri, Jun 19, 2020	650.90	660.00	650.06	660.00
7068	NASDAQ	ATRI	Thu, Jun 18, 2020	646.97	647.33	643.04	643.04
7067	NASDAQ	ATRI	Wed, Jun 17, 2020	648.94	648.94	648.94	648.94
7066	NASDAQ	ATRI	Tue, Jun 16, 2020	656.60	656.60	651.63	654.89
7065	NASDAQ	ATRI	Mon, Jun 15, 2020	643.00	652.80	643.00	652.80
7064	NASDAQ	ATRI	Fri, Jun 12, 2020	652.50	653.10	650.00	650.00
7063	NASDAQ	ATRI	Thu, Jun 11, 2020	654.98	657.98	645.16	652.00
7062	NASDAQ	ATRI	Wed, Jun 10, 2020	655.00	667.53	655.00	662.00
7061	NASDAQ	ATRI	Tue, Jun 9, 2020	650.00	660.22	650.00	652.11
7060	NASDAQ	ATRI	Mon, Jun 8, 2020	655.05	655.05	655.05	655.05
7059	NASDAQ	ATRI	Fri, Jun 5, 2020	667.67	676.21	658.00	666.00
7058	NASDAQ	ATRI	Thu, Jun 4, 2020	661.11	663.25	652.67	652.67
7057	NASDAQ	ATRI	Wed, Jun 3, 2020	653.26	675.00	653.26	663.60
7056	NASDAQ	ATRI	Tue, Jun 2, 2020	650.01	657.04	650.01	653.15
7055	NASDAQ	ATRI	Mon, Jun 1, 2020	647.05	680.00	647.05	647.30
7054	NASDAQ	ATRI	Fri, May 29, 2020	640.00	643.00	640.00	641.99
7053	NASDAQ	ATRI	Thu, May 28, 2020	661.00	661.00	642.00	642.00
7052	NASDAQ	ATRI	Wed, May 27, 2020	660.47	674.77	660.35	660.35
7051	NASDAQ	ATRI	Tue, May 26, 2020	664.87	666.01	649.50	664.00
7050	NASDAQ	ATRI	Fri, May 22, 2020	659.69	659.69	650.00	651.00
7049	NASDAQ	ATRI	Thu, May 21, 2020	647.62	649.30	643.40	643.40
7048	NASDAQ	ATRI	Wed, May 20, 2020	646.11	660.81	646.10	647.47
7047	NASDAQ	ATRI	Tue, May 19, 2020	653.50	675.58	643.05	643.05
7046	NASDAQ	ATRI	Mon, May 18, 2020	644.93	656.06	644.00	648.07
7045	NASDAQ	ATRI	Fri, May 15, 2020	662.90	673.50	635.55	635.99
7044	NASDAQ	ATRI	Thu, May 14, 2020	655.54	655.90	650.01	655.40
7043	NASDAQ	ATRI	Wed, May 13, 2020	642.61	663.77	642.61	658.83
7042	NASDAQ	ATRI	Tue, May 12, 2020	678.90	678.90	650.50	656.63
7041	NASDAQ	ATRI	Mon, May 11, 2020	674.95	675.00	667.56	674.00
7040	NASDAQ	ATRI	Fri, May 8, 2020	680.00	683.42	678.89	678.89
7039	NASDAQ	ATRI	Thu, May 7, 2020	681.52	691.00	665.40	667.51
7038	NASDAQ	ATRI	Wed, May 6, 2020	652.00	665.00	645.00	663.21
7037	NASDAQ	ATRI	Tue, May 5, 2020	635.80	635.80	635.80	635.80
7036	NASDAQ	ATRI	Mon, May 4, 2020	636.01	649.82	636.01	641.40
7035	NASDAQ	ATRI	Fri, May 1, 2020	634.50	637.34	625.00	633.91
7034	NASDAQ	ATRI	Thu, Apr 30, 2020	636.00	674.00	630.00	631.83
7033	NASDAQ	ATRI	Wed, Apr 29, 2020	664.67	667.80	635.52	635.52
7032	NASDAQ	ATRI	Tue, Apr 28, 2020	631.02	688.36	625.00	640.00
7031	NASDAQ	ATRI	Mon, Apr 27, 2020	664.23	664.23	628.55	646.95
7030	NASDAQ	ATRI	Fri, Apr 24, 2020	651.83	675.27	639.51	655.76
7029	NASDAQ	ATRI	Thu, Apr 23, 2020	645.00	660.00	640.00	655.00
7028	NASDAQ	ATRI	Wed, Apr 22, 2020	626.66	640.47	626.66	638.75
7027	NASDAQ	ATRI	Tue, Apr 21, 2020	625.00	635.50	617.50	623.90
7026	NASDAQ	ATRI	Mon, Apr 20, 2020	651.01	651.01	638.99	638.99
7025	NASDAQ	ATRI	Fri, Apr 17, 2020	653.34	727.99	649.00	666.20
7024	NASDAQ	ATRI	Thu, Apr 16, 2020	625.00	656.00	625.00	634.50
7023	NASDAQ	ATRI	Wed, Apr 15, 2020	647.45	664.18	640.00	640.00
7022	NASDAQ	ATRI	Tue, Apr 14, 2020	674.60	692.18	664.36	678.79
7021	NASDAQ	ATRI	Mon, Apr 13, 2020	715.00	715.00	661.00	665.00
7020	NASDAQ	ATRI	Thu, Apr 9, 2020	695.00	716.52	687.21	711.90
7019	NASDAQ	ATRI	Wed, Apr 8, 2020	699.23	713.90	663.52	713.90
7018	NASDAQ	ATRI	Tue, Apr 7, 2020	700.42	700.42	662.40	699.76
7017	NASDAQ	ATRI	Mon, Apr 6, 2020	697.82	699.30	666.00	699.30
7016	NASDAQ	ATRI	Fri, Apr 3, 2020	674.95	680.00	625.00	658.00
7015	NASDAQ	ATRI	Thu, Apr 2, 2020	600.82	672.94	600.82	670.90
7014	NASDAQ	ATRI	Wed, Apr 1, 2020	642.37	642.37	610.05	610.05
7013	NASDAQ	ATRI	Tue, Mar 31, 2020	648.81	660.61	625.43	650.00
7012	NASDAQ	ATRI	Mon, Mar 30, 2020	625.11	677.75	621.93	650.00
7011	NASDAQ	ATRI	Fri, Mar 27, 2020	626.70	655.00	615.50	615.50
7010	NASDAQ	ATRI	Thu, Mar 26, 2020	657.43	657.43	620.00	630.50
7009	NASDAQ	ATRI	Wed, Mar 25, 2020	725.00	755.00	643.31	664.90
7008	NASDAQ	ATRI	Tue, Mar 24, 2020	685.76	736.93	663.53	733.00
7007	NASDAQ	ATRI	Mon, Mar 23, 2020	618.01	653.94	579.00	640.02
7006	NASDAQ	ATRI	Fri, Mar 20, 2020	650.00	704.13	617.10	617.10
7005	NASDAQ	ATRI	Thu, Mar 19, 2020	652.25	664.10	640.00	656.00
7004	NASDAQ	ATRI	Wed, Mar 18, 2020	647.08	682.26	592.93	655.50
7003	NASDAQ	ATRI	Tue, Mar 17, 2020	652.00	675.00	615.10	675.00
7002	NASDAQ	ATRI	Mon, Mar 16, 2020	597.10	661.03	592.55	620.00
7001	NASDAQ	ATRI	Fri, Mar 13, 2020	639.99	658.00	625.00	640.70
7000	NASDAQ	ATRI	Thu, Mar 12, 2020	638.99	647.78	617.95	617.95
6999	NASDAQ	ATRI	Wed, Mar 11, 2020	677.54	682.00	638.24	667.00
6998	NASDAQ	ATRI	Tue, Mar 10, 2020	704.90	704.90	649.95	699.37
6997	NASDAQ	ATRI	Mon, Mar 9, 2020	686.66	700.00	672.00	698.34
6996	NASDAQ	ATRI	Fri, Mar 6, 2020	633.22	750.00	633.22	715.03
6995	NASDAQ	ATRI	Thu, Mar 5, 2020	639.31	648.00	630.17	644.99
6994	NASDAQ	ATRI	Wed, Mar 4, 2020	677.46	677.46	634.21	640.40
6993	NASDAQ	ATRI	Tue, Mar 3, 2020	656.30	656.30	620.11	625.76
6992	NASDAQ	ATRI	Mon, Mar 2, 2020	617.24	664.41	617.24	657.40
6991	NASDAQ	ATRI	Fri, Feb 28, 2020	616.08	643.00	616.08	616.31
6990	NASDAQ	ATRI	Thu, Feb 27, 2020	622.74	641.12	603.00	624.61
6989	NASDAQ	ATRI	Wed, Feb 26, 2020	640.61	650.00	626.54	631.80
6988	NASDAQ	ATRI	Tue, Feb 25, 2020	692.00	692.00	654.00	660.00
6987	NASDAQ	ATRI	Mon, Feb 24, 2020	688.45	691.80	688.24	691.80
6986	NASDAQ	ATRI	Fri, Feb 21, 2020	685.93	705.54	675.50	697.35
6985	NASDAQ	ATRI	Thu, Feb 20, 2020	687.00	687.00	687.00	687.00
6984	NASDAQ	ATRI	Wed, Feb 19, 2020	666.51	679.89	663.50	676.18
6983	NASDAQ	ATRI	Tue, Feb 18, 2020	677.54	717.23	667.00	667.00
6982	NASDAQ	ATRI	Fri, Feb 14, 2020	657.52	683.78	647.00	683.78
6981	NASDAQ	ATRI	Thu, Feb 13, 2020	670.51	670.51	656.70	656.70
6980	NASDAQ	ATRI	Wed, Feb 12, 2020	684.30	684.30	671.00	671.00
6979	NASDAQ	ATRI	Tue, Feb 11, 2020	688.98	689.72	682.20	682.20
6978	NASDAQ	ATRI	Mon, Feb 10, 2020	678.90	746.40	675.75	687.02
6977	NASDAQ	ATRI	Fri, Feb 7, 2020	694.00	694.00	682.99	682.99
6976	NASDAQ	ATRI	Thu, Feb 6, 2020	694.65	702.54	692.12	693.80
6975	NASDAQ	ATRI	Wed, Feb 5, 2020	695.12	696.00	679.00	694.30
6974	NASDAQ	ATRI	Tue, Feb 4, 2020	705.75	705.75	693.09	693.09
6973	NASDAQ	ATRI	Mon, Feb 3, 2020	715.06	720.02	697.15	704.09
6972	NASDAQ	ATRI	Fri, Jan 31, 2020	697.10	721.99	684.05	719.19
6971	NASDAQ	ATRI	Thu, Jan 30, 2020	705.16	706.70	689.06	698.99
6970	NASDAQ	ATRI	Wed, Jan 29, 2020	714.60	714.60	705.47	708.60
6969	NASDAQ	ATRI	Tue, Jan 28, 2020	723.84	728.24	717.93	717.93
6968	NASDAQ	ATRI	Mon, Jan 27, 2020	704.29	726.41	704.29	721.00
6967	NASDAQ	ATRI	Fri, Jan 24, 2020	738.00	738.00	720.03	720.03
6966	NASDAQ	ATRI	Thu, Jan 23, 2020	748.07	756.36	743.50	751.40
6965	NASDAQ	ATRI	Wed, Jan 22, 2020	739.55	753.50	735.69	748.12
6964	NASDAQ	ATRI	Tue, Jan 21, 2020	714.95	738.55	714.95	735.00
6963	NASDAQ	ATRI	Fri, Jan 17, 2020	709.39	722.66	699.37	707.54
6962	NASDAQ	ATRI	Thu, Jan 16, 2020	700.47	717.59	700.47	707.85
6961	NASDAQ	ATRI	Wed, Jan 15, 2020	719.20	719.20	692.18	699.99
6960	NASDAQ	ATRI	Tue, Jan 14, 2020	718.90	730.00	713.07	718.79
6959	NASDAQ	ATRI	Mon, Jan 13, 2020	712.13	729.34	712.13	718.26
6958	NASDAQ	ATRI	Fri, Jan 10, 2020	718.08	725.40	715.20	718.00
6957	NASDAQ	ATRI	Thu, Jan 9, 2020	716.68	728.39	716.50	716.50
6956	NASDAQ	ATRI	Wed, Jan 8, 2020	727.66	727.66	715.21	715.21
6955	NASDAQ	ATRI	Tue, Jan 7, 2020	732.27	740.68	726.39	727.48
6954	NASDAQ	ATRI	Mon, Jan 6, 2020	730.85	745.37	724.31	734.11
6953	NASDAQ	ATRI	Fri, Jan 3, 2020	733.03	741.70	726.87	734.65
6952	NASDAQ	ATRI	Thu, Jan 2, 2020	753.33	756.37	738.00	739.00
6951	NASDAQ	ATRI	Tue, Dec 31, 2019	743.11	756.00	743.11	751.50
6950	NASDAQ	ATRI	Mon, Dec 30, 2019	736.50	753.49	731.87	744.99
6949	NASDAQ	ATRI	Fri, Dec 27, 2019	746.90	747.00	734.39	734.39
6948	NASDAQ	ATRI	Thu, Dec 26, 2019	758.67	764.49	740.70	747.19
6947	NASDAQ	ATRI	Tue, Dec 24, 2019	737.29	761.52	737.29	757.46
6946	NASDAQ	ATRI	Mon, Dec 23, 2019	711.14	752.00	710.81	742.62
6945	NASDAQ	ATRI	Fri, Dec 20, 2019	713.80	715.00	710.70	715.00
6944	NASDAQ	ATRI	Thu, Dec 19, 2019	710.00	718.98	708.07	711.02
6943	NASDAQ	ATRI	Wed, Dec 18, 2019	708.47	710.00	701.76	709.23
6942	NASDAQ	ATRI	Tue, Dec 17, 2019	700.78	712.00	683.52	708.90
6941	NASDAQ	ATRI	Mon, Dec 16, 2019	705.28	714.61	699.13	699.13
6940	NASDAQ	ATRI	Fri, Dec 13, 2019	686.67	709.99	683.72	704.00
6939	NASDAQ	ATRI	Thu, Dec 12, 2019	690.00	703.00	690.00	691.02
6938	NASDAQ	ATRI	Wed, Dec 11, 2019	688.78	689.99	675.34	689.99
6937	NASDAQ	ATRI	Tue, Dec 10, 2019	695.85	703.01	687.75	688.50
6936	NASDAQ	ATRI	Mon, Dec 9, 2019	707.96	711.09	698.54	698.54
6935	NASDAQ	ATRI	Fri, Dec 6, 2019	710.54	711.47	701.63	706.26
6934	NASDAQ	ATRI	Thu, Dec 5, 2019	704.46	711.00	704.27	707.17
6933	NASDAQ	ATRI	Wed, Dec 4, 2019	702.10	709.84	702.00	706.34
6932	NASDAQ	ATRI	Tue, Dec 3, 2019	708.36	711.47	699.82	707.50
6931	NASDAQ	ATRI	Mon, Dec 2, 2019	714.02	727.47	700.85	712.02
6930	NASDAQ	ATRI	Fri, Nov 29, 2019	701.63	707.52	700.00	704.70
6929	NASDAQ	ATRI	Wed, Nov 27, 2019	712.75	712.75	700.25	704.00
6928	NASDAQ	ATRI	Tue, Nov 26, 2019	715.42	715.42	678.22	713.00
6927	NASDAQ	ATRI	Mon, Nov 25, 2019	726.70	726.70	701.23	714.72
6926	NASDAQ	ATRI	Fri, Nov 22, 2019	729.42	729.42	703.91	718.00
6925	NASDAQ	ATRI	Thu, Nov 21, 2019	719.90	729.20	710.47	729.20
6924	NASDAQ	ATRI	Wed, Nov 20, 2019	734.18	735.33	718.01	718.01
6923	NASDAQ	ATRI	Tue, Nov 19, 2019	722.58	740.63	722.58	735.50
6922	NASDAQ	ATRI	Mon, Nov 18, 2019	728.83	729.80	709.18	719.99
6921	NASDAQ	ATRI	Fri, Nov 15, 2019	739.97	741.00	727.66	728.51
6920	NASDAQ	ATRI	Thu, Nov 14, 2019	754.50	754.85	737.00	738.90
6919	NASDAQ	ATRI	Wed, Nov 13, 2019	755.12	757.85	752.53	754.70
6918	NASDAQ	ATRI	Tue, Nov 12, 2019	759.05	760.11	750.21	755.50
6917	NASDAQ	ATRI	Mon, Nov 11, 2019	758.67	759.00	750.44	754.00
6916	NASDAQ	ATRI	Fri, Nov 8, 2019	762.16	763.10	750.30	759.59
6915	NASDAQ	ATRI	Thu, Nov 7, 2019	768.16	770.61	743.37	762.03
6914	NASDAQ	ATRI	Wed, Nov 6, 2019	804.51	804.54	770.73	770.73
6913	NASDAQ	ATRI	Tue, Nov 5, 2019	816.54	816.54	786.00	804.00
6912	NASDAQ	ATRI	Mon, Nov 4, 2019	841.11	841.11	817.99	817.99
6911	NASDAQ	ATRI	Fri, Nov 1, 2019	843.15	843.64	836.00	836.00
6910	NASDAQ	ATRI	Thu, Oct 31, 2019	841.60	844.35	838.00	843.43
6909	NASDAQ	ATRI	Wed, Oct 30, 2019	844.93	846.15	833.88	846.15
6908	NASDAQ	ATRI	Tue, Oct 29, 2019	828.88	837.76	825.57	837.76
6907	NASDAQ	ATRI	Mon, Oct 28, 2019	814.32	830.70	814.32	830.70
6906	NASDAQ	ATRI	Fri, Oct 25, 2019	804.96	814.95	803.58	811.89
6905	NASDAQ	ATRI	Thu, Oct 24, 2019	811.80	811.90	801.69	804.99
6904	NASDAQ	ATRI	Wed, Oct 23, 2019	800.94	808.99	800.94	806.40
6903	NASDAQ	ATRI	Tue, Oct 22, 2019	804.30	807.59	797.50	798.30
6902	NASDAQ	ATRI	Mon, Oct 21, 2019	810.99	814.00	804.00	804.00
6901	NASDAQ	ATRI	Fri, Oct 18, 2019	797.28	806.90	797.28	806.71
6900	NASDAQ	ATRI	Thu, Oct 17, 2019	790.50	802.54	790.50	799.96
6899	NASDAQ	ATRI	Wed, Oct 16, 2019	788.65	793.84	784.11	790.00
6898	NASDAQ	ATRI	Tue, Oct 15, 2019	777.51	789.00	777.51	786.10
6897	NASDAQ	ATRI	Mon, Oct 14, 2019	779.90	783.72	771.40	775.30
6896	NASDAQ	ATRI	Fri, Oct 11, 2019	784.99	792.80	777.97	779.63
6895	NASDAQ	ATRI	Thu, Oct 10, 2019	769.43	791.47	769.43	780.99
6894	NASDAQ	ATRI	Wed, Oct 9, 2019	766.20	769.00	757.70	767.88
6893	NASDAQ	ATRI	Tue, Oct 8, 2019	772.61	772.61	754.01	758.38
6892	NASDAQ	ATRI	Mon, Oct 7, 2019	778.94	783.80	774.00	774.40
6891	NASDAQ	ATRI	Fri, Oct 4, 2019	776.41	780.50	772.21	779.30
6890	NASDAQ	ATRI	Thu, Oct 3, 2019	765.41	774.63	762.30	774.63
6889	NASDAQ	ATRI	Wed, Oct 2, 2019	773.48	775.34	760.75	765.90
6888	NASDAQ	ATRI	Tue, Oct 1, 2019	783.50	786.76	774.90	775.00
6887	NASDAQ	ATRI	Mon, Sep 30, 2019	769.49	780.86	768.99	779.17
6886	NASDAQ	ATRI	Fri, Sep 27, 2019	782.66	785.78	768.57	768.57
6885	NASDAQ	ATRI	Thu, Sep 26, 2019	788.38	794.00	779.20	780.83
6884	NASDAQ	ATRI	Wed, Sep 25, 2019	776.21	791.49	771.31	787.80
6883	NASDAQ	ATRI	Tue, Sep 24, 2019	799.75	799.75	771.96	780.88
6882	NASDAQ	ATRI	Mon, Sep 23, 2019	804.96	804.96	789.71	794.00
6881	NASDAQ	ATRI	Fri, Sep 20, 2019	793.00	804.00	793.00	802.62
6880	NASDAQ	ATRI	Thu, Sep 19, 2019	797.78	803.99	789.12	792.99
6879	NASDAQ	ATRI	Wed, Sep 18, 2019	799.99	800.20	783.90	793.42
6878	NASDAQ	ATRI	Tue, Sep 17, 2019	807.37	812.07	787.03	801.00
6877	NASDAQ	ATRI	Mon, Sep 16, 2019	800.00	809.88	796.10	807.70
6876	NASDAQ	ATRI	Fri, Sep 13, 2019	792.39	800.60	784.00	796.99
6875	NASDAQ	ATRI	Thu, Sep 12, 2019	792.69	795.58	785.47	785.47
6874	NASDAQ	ATRI	Wed, Sep 11, 2019	769.79	784.66	769.04	784.66
6873	NASDAQ	ATRI	Tue, Sep 10, 2019	762.83	771.70	753.00	766.45
6872	NASDAQ	ATRI	Mon, Sep 9, 2019	774.93	774.93	753.01	758.00
6871	NASDAQ	ATRI	Fri, Sep 6, 2019	769.95	774.40	766.00	766.85
6870	NASDAQ	ATRI	Thu, Sep 5, 2019	767.30	771.58	762.10	768.90
6869	NASDAQ	ATRI	Wed, Sep 4, 2019	771.00	774.00	756.16	765.11
6868	NASDAQ	ATRI	Tue, Sep 3, 2019	771.11	775.80	757.01	760.07
6867	NASDAQ	ATRI	Fri, Aug 30, 2019	771.00	778.78	770.00	777.15
6866	NASDAQ	ATRI	Thu, Aug 29, 2019	775.02	778.00	770.90	772.99
6865	NASDAQ	ATRI	Wed, Aug 28, 2019	760.51	771.00	760.51	768.31
6864	NASDAQ	ATRI	Tue, Aug 27, 2019	768.28	776.00	766.00	766.49
6863	NASDAQ	ATRI	Mon, Aug 26, 2019	760.95	766.50	750.21	763.81
6862	NASDAQ	ATRI	Fri, Aug 23, 2019	771.10	776.99	759.21	759.21
6861	NASDAQ	ATRI	Thu, Aug 22, 2019	792.99	798.00	777.00	778.60
6860	NASDAQ	ATRI	Wed, Aug 21, 2019	786.60	811.23	785.00	793.49
6859	NASDAQ	ATRI	Tue, Aug 20, 2019	751.04	799.44	751.04	785.70
6858	NASDAQ	ATRI	Mon, Aug 19, 2019	750.89	758.92	744.51	749.98
6857	NASDAQ	ATRI	Fri, Aug 16, 2019	743.48	746.30	740.24	742.68
6856	NASDAQ	ATRI	Thu, Aug 15, 2019	725.50	747.01	725.50	741.00
6855	NASDAQ	ATRI	Wed, Aug 14, 2019	724.10	726.75	718.10	722.04
6854	NASDAQ	ATRI	Tue, Aug 13, 2019	737.00	742.30	728.26	731.00
6853	NASDAQ	ATRI	Mon, Aug 12, 2019	737.83	746.43	737.63	737.63
6852	NASDAQ	ATRI	Fri, Aug 9, 2019	766.95	766.95	745.31	748.22
6851	NASDAQ	ATRI	Thu, Aug 8, 2019	782.82	782.82	747.02	752.29
6850	NASDAQ	ATRI	Wed, Aug 7, 2019	757.91	764.00	749.21	764.00
6849	NASDAQ	ATRI	Tue, Aug 6, 2019	756.70	762.99	745.41	761.30
6848	NASDAQ	ATRI	Mon, Aug 5, 2019	768.40	769.15	751.05	754.29
6847	NASDAQ	ATRI	Fri, Aug 2, 2019	768.39	775.00	765.15	770.40
6846	NASDAQ	ATRI	Thu, Aug 1, 2019	768.04	779.80	765.04	770.00
6845	NASDAQ	ATRI	Wed, Jul 31, 2019	748.03	769.50	748.01	769.50
6844	NASDAQ	ATRI	Tue, Jul 30, 2019	757.21	761.00	751.20	751.20
6843	NASDAQ	ATRI	Mon, Jul 29, 2019	745.39	765.86	736.00	755.75
6842	NASDAQ	ATRI	Fri, Jul 26, 2019	757.85	776.28	749.46	751.90
6841	NASDAQ	ATRI	Thu, Jul 25, 2019	759.08	764.72	756.50	757.80
6840	NASDAQ	ATRI	Wed, Jul 24, 2019	773.66	773.66	757.70	758.14
6839	NASDAQ	ATRI	Tue, Jul 23, 2019	786.05	786.05	763.65	765.21
6838	NASDAQ	ATRI	Mon, Jul 22, 2019	772.94	783.00	769.55	770.86
6837	NASDAQ	ATRI	Fri, Jul 19, 2019	769.17	777.00	760.50	768.00
6836	NASDAQ	ATRI	Thu, Jul 18, 2019	785.52	785.52	764.00	768.69
6835	NASDAQ	ATRI	Wed, Jul 17, 2019	786.95	792.65	777.77	788.00
6834	NASDAQ	ATRI	Tue, Jul 16, 2019	791.11	797.85	783.40	788.70
6833	NASDAQ	ATRI	Mon, Jul 15, 2019	803.80	806.00	796.28	796.90
6832	NASDAQ	ATRI	Fri, Jul 12, 2019	790.38	804.51	785.03	794.81
6831	NASDAQ	ATRI	Thu, Jul 11, 2019	786.41	793.77	775.50	791.10
6830	NASDAQ	ATRI	Wed, Jul 10, 2019	801.36	801.36	780.00	785.11
6829	NASDAQ	ATRI	Tue, Jul 9, 2019	798.99	805.00	798.99	800.00
6828	NASDAQ	ATRI	Mon, Jul 8, 2019	818.12	828.80	807.51	809.00
6827	NASDAQ	ATRI	Fri, Jul 5, 2019	823.40	823.40	812.50	817.65
6826	NASDAQ	ATRI	Wed, Jul 3, 2019	840.34	840.34	823.40	823.40
6825	NASDAQ	ATRI	Tue, Jul 2, 2019	837.99	840.00	823.30	831.00
6824	NASDAQ	ATRI	Mon, Jul 1, 2019	859.06	859.70	832.07	840.00
6823	NASDAQ	ATRI	Fri, Jun 28, 2019	853.99	865.55	850.27	852.74
6822	NASDAQ	ATRI	Thu, Jun 27, 2019	844.87	853.84	832.54	852.24
6821	NASDAQ	ATRI	Wed, Jun 26, 2019	867.50	867.50	833.50	837.83
6820	NASDAQ	ATRI	Tue, Jun 25, 2019	885.00	885.00	870.31	872.00
6819	NASDAQ	ATRI	Mon, Jun 24, 2019	886.95	896.99	880.00	886.60
6818	NASDAQ	ATRI	Fri, Jun 21, 2019	900.55	908.00	887.43	887.43
6817	NASDAQ	ATRI	Thu, Jun 20, 2019	915.00	915.96	899.17	902.09
6816	NASDAQ	ATRI	Wed, Jun 19, 2019	875.47	908.71	873.80	908.71
6815	NASDAQ	ATRI	Tue, Jun 18, 2019	869.00	875.42	861.24	873.80
6814	NASDAQ	ATRI	Mon, Jun 17, 2019	875.00	893.40	867.80	868.83
6813	NASDAQ	ATRI	Fri, Jun 14, 2019	873.90	884.35	870.40	878.02
6812	NASDAQ	ATRI	Thu, Jun 13, 2019	879.16	879.16	866.14	874.80
6811	NASDAQ	ATRI	Wed, Jun 12, 2019	879.40	883.54	866.17	877.80
6810	NASDAQ	ATRI	Tue, Jun 11, 2019	887.39	894.01	880.15	883.57
6809	NASDAQ	ATRI	Mon, Jun 10, 2019	882.57	888.23	876.22	879.70
6808	NASDAQ	ATRI	Fri, Jun 7, 2019	882.60	885.00	875.25	877.47
6807	NASDAQ	ATRI	Thu, Jun 6, 2019	890.00	891.00	878.40	882.65
6806	NASDAQ	ATRI	Wed, Jun 5, 2019	884.64	890.88	884.00	890.88
6805	NASDAQ	ATRI	Tue, Jun 4, 2019	860.94	879.50	856.84	879.50
6804	NASDAQ	ATRI	Mon, Jun 3, 2019	884.10	884.10	869.38	869.38
6803	NASDAQ	ATRI	Fri, May 31, 2019	888.90	892.00	881.22	883.21
6802	NASDAQ	ATRI	Thu, May 30, 2019	887.00	892.00	886.10	890.00
6801	NASDAQ	ATRI	Wed, May 29, 2019	893.00	899.13	887.21	887.21
6800	NASDAQ	ATRI	Tue, May 28, 2019	895.00	900.00	882.28	898.80
6799	NASDAQ	ATRI	Fri, May 24, 2019	882.51	891.65	882.51	889.03
6798	NASDAQ	ATRI	Thu, May 23, 2019	903.00	903.00	889.83	893.00
6797	NASDAQ	ATRI	Wed, May 22, 2019	922.80	922.80	892.51	900.00
6796	NASDAQ	ATRI	Tue, May 21, 2019	904.45	913.98	901.60	913.98
6795	NASDAQ	ATRI	Mon, May 20, 2019	882.89	896.77	882.89	896.77
6794	NASDAQ	ATRI	Fri, May 17, 2019	897.47	906.15	882.15	884.15
6793	NASDAQ	ATRI	Thu, May 16, 2019	891.16	906.19	891.16	901.70
6792	NASDAQ	ATRI	Wed, May 15, 2019	878.23	894.35	873.26	891.16
6791	NASDAQ	ATRI	Tue, May 14, 2019	894.00	900.02	870.54	875.38
6790	NASDAQ	ATRI	Mon, May 13, 2019	877.36	893.61	874.67	888.00
6789	NASDAQ	ATRI	Fri, May 10, 2019	877.89	884.40	875.10	882.95
6788	NASDAQ	ATRI	Thu, May 9, 2019	878.37	886.00	875.11	880.96
6787	NASDAQ	ATRI	Wed, May 8, 2019	851.05	862.80	850.00	862.80
6786	NASDAQ	ATRI	Tue, May 7, 2019	858.80	859.14	854.12	854.12
6785	NASDAQ	ATRI	Mon, May 6, 2019	865.57	873.23	865.11	866.72
6784	NASDAQ	ATRI	Fri, May 3, 2019	861.66	865.09	859.30	865.00
6783	NASDAQ	ATRI	Thu, May 2, 2019	872.17	873.80	860.00	860.37
6782	NASDAQ	ATRI	Wed, May 1, 2019	881.50	884.79	872.70	873.09
6781	NASDAQ	ATRI	Tue, Apr 30, 2019	884.50	884.50	880.00	880.00
6780	NASDAQ	ATRI	Mon, Apr 29, 2019	881.90	885.98	872.03	880.50
6779	NASDAQ	ATRI	Fri, Apr 26, 2019	890.01	890.05	875.00	876.85
6778	NASDAQ	ATRI	Thu, Apr 25, 2019	881.36	895.53	881.36	893.89
6777	NASDAQ	ATRI	Wed, Apr 24, 2019	871.00	880.41	870.24	880.41
6776	NASDAQ	ATRI	Tue, Apr 23, 2019	865.00	880.00	865.00	870.97
6775	NASDAQ	ATRI	Mon, Apr 22, 2019	870.00	873.60	855.00	873.60
6774	NASDAQ	ATRI	Thu, Apr 18, 2019	862.75	869.97	860.00	869.97
6773	NASDAQ	ATRI	Wed, Apr 17, 2019	875.00	875.00	863.50	863.50
6772	NASDAQ	ATRI	Tue, Apr 16, 2019	896.90	896.90	875.56	881.95
6771	NASDAQ	ATRI	Mon, Apr 15, 2019	899.30	904.25	897.00	899.00
6770	NASDAQ	ATRI	Fri, Apr 12, 2019	920.00	920.00	908.64	909.15
6769	NASDAQ	ATRI	Thu, Apr 11, 2019	916.00	921.21	907.40	917.70
6768	NASDAQ	ATRI	Wed, Apr 10, 2019	940.00	945.00	920.05	920.05
6767	NASDAQ	ATRI	Tue, Apr 9, 2019	905.00	948.03	904.20	927.00
6766	NASDAQ	ATRI	Mon, Apr 8, 2019	892.49	905.22	886.61	905.22
6765	NASDAQ	ATRI	Fri, Apr 5, 2019	889.29	891.99	889.29	890.79
6764	NASDAQ	ATRI	Thu, Apr 4, 2019	887.00	901.50	887.00	897.00
6763	NASDAQ	ATRI	Wed, Apr 3, 2019	885.00	890.00	883.33	886.31
6762	NASDAQ	ATRI	Tue, Apr 2, 2019	876.60	884.99	873.00	882.31
6761	NASDAQ	ATRI	Mon, Apr 1, 2019	881.30	881.30	875.35	877.00
6760	NASDAQ	ATRI	Fri, Mar 29, 2019	884.99	885.00	878.68	878.68
6759	NASDAQ	ATRI	Thu, Mar 28, 2019	884.00	889.65	880.04	885.40
6758	NASDAQ	ATRI	Wed, Mar 27, 2019	878.39	884.36	871.25	884.06
6757	NASDAQ	ATRI	Tue, Mar 26, 2019	874.02	894.30	874.02	881.68
6756	NASDAQ	ATRI	Mon, Mar 25, 2019	851.99	873.00	851.99	869.26
6755	NASDAQ	ATRI	Fri, Mar 22, 2019	847.00	851.99	837.02	841.70
6754	NASDAQ	ATRI	Thu, Mar 21, 2019	826.05	847.78	826.05	847.78
6753	NASDAQ	ATRI	Wed, Mar 20, 2019	822.00	830.54	822.00	826.50
6752	NASDAQ	ATRI	Tue, Mar 19, 2019	812.00	829.50	804.05	825.21
6751	NASDAQ	ATRI	Mon, Mar 18, 2019	809.65	817.00	807.69	811.00
6750	NASDAQ	ATRI	Fri, Mar 15, 2019	803.89	815.00	796.60	814.57
6749	NASDAQ	ATRI	Thu, Mar 14, 2019	789.00	807.45	784.48	802.30
6748	NASDAQ	ATRI	Wed, Mar 13, 2019	794.57	794.90	789.90	789.90
6747	NASDAQ	ATRI	Tue, Mar 12, 2019	804.00	804.00	796.31	796.31
6746	NASDAQ	ATRI	Mon, Mar 11, 2019	803.00	807.49	803.00	803.40
6745	NASDAQ	ATRI	Fri, Mar 8, 2019	800.00	805.88	798.00	805.88
6744	NASDAQ	ATRI	Thu, Mar 7, 2019	800.00	800.44	793.25	799.60
6743	NASDAQ	ATRI	Wed, Mar 6, 2019	806.72	809.01	797.64	800.51
6742	NASDAQ	ATRI	Tue, Mar 5, 2019	792.51	810.00	792.51	807.70
6741	NASDAQ	ATRI	Mon, Mar 4, 2019	790.00	790.61	789.15	790.61
6740	NASDAQ	ATRI	Fri, Mar 1, 2019	789.99	790.00	783.50	790.00
6739	NASDAQ	ATRI	Thu, Feb 28, 2019	803.97	803.97	784.10	786.37
6738	NASDAQ	ATRI	Wed, Feb 27, 2019	797.01	806.60	797.01	803.99
6737	NASDAQ	ATRI	Tue, Feb 26, 2019	808.00	808.00	800.01	806.79
6736	NASDAQ	ATRI	Mon, Feb 25, 2019	799.89	814.85	799.89	807.80
6735	NASDAQ	ATRI	Fri, Feb 22, 2019	794.23	799.00	779.00	798.79
6734	NASDAQ	ATRI	Thu, Feb 21, 2019	790.85	799.70	790.85	794.00
6733	NASDAQ	ATRI	Wed, Feb 20, 2019	800.50	809.39	796.27	796.27
6732	NASDAQ	ATRI	Tue, Feb 19, 2019	793.01	803.48	793.01	800.94
6731	NASDAQ	ATRI	Fri, Feb 15, 2019	791.89	795.00	791.89	795.00
6730	NASDAQ	ATRI	Thu, Feb 14, 2019	787.70	790.00	786.16	789.51
6729	NASDAQ	ATRI	Wed, Feb 13, 2019	794.99	795.00	787.00	787.00
6728	NASDAQ	ATRI	Tue, Feb 12, 2019	785.00	795.10	784.40	793.30
6727	NASDAQ	ATRI	Mon, Feb 11, 2019	783.08	786.14	782.51	786.14
6726	NASDAQ	ATRI	Fri, Feb 8, 2019	795.00	795.00	783.75	792.10
6725	NASDAQ	ATRI	Thu, Feb 7, 2019	786.76	795.00	786.76	793.38
6724	NASDAQ	ATRI	Wed, Feb 6, 2019	775.74	803.00	762.00	788.21
6723	NASDAQ	ATRI	Tue, Feb 5, 2019	780.00	787.49	774.98	785.00
6722	NASDAQ	ATRI	Mon, Feb 4, 2019	748.85	776.50	733.11	775.49
6721	NASDAQ	ATRI	Fri, Feb 1, 2019	740.20	767.93	740.20	761.50
6720	NASDAQ	ATRI	Thu, Jan 31, 2019	763.46	773.13	730.00	745.84
6719	NASDAQ	ATRI	Wed, Jan 30, 2019	770.87	781.98	762.24	765.31
6718	NASDAQ	ATRI	Tue, Jan 29, 2019	773.01	773.01	767.00	769.00
6717	NASDAQ	ATRI	Mon, Jan 28, 2019	777.83	782.59	769.99	774.41
6716	NASDAQ	ATRI	Fri, Jan 25, 2019	781.87	783.50	764.51	780.00
6715	NASDAQ	ATRI	Thu, Jan 24, 2019	780.11	785.00	774.50	783.64
6714	NASDAQ	ATRI	Wed, Jan 23, 2019	775.00	776.00	770.20	774.00
6713	NASDAQ	ATRI	Tue, Jan 22, 2019	766.50	770.26	755.69	770.00
6712	NASDAQ	ATRI	Fri, Jan 18, 2019	758.53	770.00	757.87	765.82
6711	NASDAQ	ATRI	Thu, Jan 17, 2019	738.90	764.60	738.90	755.47
6710	NASDAQ	ATRI	Wed, Jan 16, 2019	732.00	743.80	732.00	742.98
6709	NASDAQ	ATRI	Tue, Jan 15, 2019	724.00	727.58	721.50	727.49
6708	NASDAQ	ATRI	Mon, Jan 14, 2019	732.21	732.21	720.27	724.92
6707	NASDAQ	ATRI	Fri, Jan 11, 2019	741.81	746.80	727.10	745.89
6706	NASDAQ	ATRI	Thu, Jan 10, 2019	735.56	748.70	735.56	743.79
6705	NASDAQ	ATRI	Wed, Jan 9, 2019	720.00	743.13	720.00	741.00
6704	NASDAQ	ATRI	Tue, Jan 8, 2019	725.71	725.71	706.51	718.68
6703	NASDAQ	ATRI	Mon, Jan 7, 2019	712.89	713.02	700.91	712.00
6702	NASDAQ	ATRI	Fri, Jan 4, 2019	721.11	727.20	701.33	709.90
6701	NASDAQ	ATRI	Thu, Jan 3, 2019	729.00	729.00	716.03	716.10
6700	NASDAQ	ATRI	Wed, Jan 2, 2019	731.35	737.26	715.00	733.03
6699	NASDAQ	ATRI	Mon, Dec 31, 2018	738.20	742.00	719.26	741.08
6698	NASDAQ	ATRI	Fri, Dec 28, 2018	709.99	733.28	709.99	733.28
6697	NASDAQ	ATRI	Thu, Dec 27, 2018	691.70	712.00	680.12	712.00
6696	NASDAQ	ATRI	Wed, Dec 26, 2018	691.00	701.61	681.99	697.24
6695	NASDAQ	ATRI	Mon, Dec 24, 2018	680.00	694.88	680.00	684.10
6694	NASDAQ	ATRI	Fri, Dec 21, 2018	681.31	686.50	671.05	682.71
6693	NASDAQ	ATRI	Thu, Dec 20, 2018	702.45	702.45	680.39	686.45
6692	NASDAQ	ATRI	Wed, Dec 19, 2018	722.00	726.00	698.00	703.46
6691	NASDAQ	ATRI	Tue, Dec 18, 2018	759.75	764.00	726.10	726.10
6690	NASDAQ	ATRI	Mon, Dec 17, 2018	774.85	775.00	757.78	757.78
6689	NASDAQ	ATRI	Fri, Dec 14, 2018	763.02	777.47	754.51	776.50
6688	NASDAQ	ATRI	Thu, Dec 13, 2018	769.00	771.61	759.79	762.31
6687	NASDAQ	ATRI	Wed, Dec 12, 2018	772.00	772.68	760.72	771.59
6686	NASDAQ	ATRI	Tue, Dec 11, 2018	770.34	770.34	759.99	764.34
6685	NASDAQ	ATRI	Mon, Dec 10, 2018	766.06	772.51	758.13	765.31
6684	NASDAQ	ATRI	Fri, Dec 7, 2018	775.25	788.43	767.00	779.84
6683	NASDAQ	ATRI	Thu, Dec 6, 2018	782.30	796.64	775.00	776.62
6682	NASDAQ	ATRI	Tue, Dec 4, 2018	766.00	787.96	766.00	785.70
6681	NASDAQ	ATRI	Mon, Dec 3, 2018	776.00	784.80	746.68	765.00
6680	NASDAQ	ATRI	Fri, Nov 30, 2018	772.99	779.80	771.90	773.22
6679	NASDAQ	ATRI	Thu, Nov 29, 2018	779.80	790.00	775.55	775.79
6678	NASDAQ	ATRI	Wed, Nov 28, 2018	770.00	785.00	763.94	784.40
6677	NASDAQ	ATRI	Tue, Nov 27, 2018	747.69	769.38	747.00	764.19
6676	NASDAQ	ATRI	Mon, Nov 26, 2018	740.08	751.00	734.15	751.00
6675	NASDAQ	ATRI	Fri, Nov 23, 2018	731.99	740.00	731.99	738.00
6674	NASDAQ	ATRI	Wed, Nov 21, 2018	734.48	736.00	720.50	732.15
6673	NASDAQ	ATRI	Tue, Nov 20, 2018	718.20	725.12	698.32	725.12
6672	NASDAQ	ATRI	Mon, Nov 19, 2018	725.00	725.01	719.28	722.11
6671	NASDAQ	ATRI	Fri, Nov 16, 2018	729.50	734.90	724.10	725.01
6670	NASDAQ	ATRI	Thu, Nov 15, 2018	722.00	726.00	710.98	725.12
6669	NASDAQ	ATRI	Wed, Nov 14, 2018	730.00	730.00	718.00	725.01
6668	NASDAQ	ATRI	Tue, Nov 13, 2018	714.00	727.50	707.00	727.46
6667	NASDAQ	ATRI	Mon, Nov 12, 2018	684.00	719.75	684.00	717.00
6666	NASDAQ	ATRI	Fri, Nov 9, 2018	709.00	713.00	709.00	713.00
6665	NASDAQ	ATRI	Thu, Nov 8, 2018	709.56	716.72	709.56	710.00
6664	NASDAQ	ATRI	Wed, Nov 7, 2018	696.69	710.08	696.69	710.08
6663	NASDAQ	ATRI	Tue, Nov 6, 2018	686.00	694.84	679.20	694.84
6662	NASDAQ	ATRI	Mon, Nov 5, 2018	680.20	686.12	678.30	684.60
6661	NASDAQ	ATRI	Fri, Nov 2, 2018	676.43	687.80	674.12	682.18
6660	NASDAQ	ATRI	Thu, Nov 1, 2018	680.14	685.78	665.25	673.50
6659	NASDAQ	ATRI	Wed, Oct 31, 2018	678.00	688.80	678.00	682.18
6658	NASDAQ	ATRI	Tue, Oct 30, 2018	680.00	684.01	680.00	683.09
6657	NASDAQ	ATRI	Mon, Oct 29, 2018	686.40	690.01	677.99	681.43
6656	NASDAQ	ATRI	Fri, Oct 26, 2018	686.51	690.90	680.00	682.71
6655	NASDAQ	ATRI	Thu, Oct 25, 2018	684.00	700.00	684.00	689.77
6654	NASDAQ	ATRI	Wed, Oct 24, 2018	685.01	692.90	677.20	678.12
6653	NASDAQ	ATRI	Tue, Oct 23, 2018	669.10	688.35	669.10	685.05
6652	NASDAQ	ATRI	Mon, Oct 22, 2018	690.50	693.00	676.05	678.98
6651	NASDAQ	ATRI	Fri, Oct 19, 2018	688.54	695.00	683.60	689.62
6650	NASDAQ	ATRI	Thu, Oct 18, 2018	686.18	692.00	680.00	688.98
6649	NASDAQ	ATRI	Wed, Oct 17, 2018	687.00	696.98	680.05	694.49
6648	NASDAQ	ATRI	Tue, Oct 16, 2018	681.00	708.37	680.00	690.99
6647	NASDAQ	ATRI	Mon, Oct 15, 2018	685.51	690.77	680.00	680.24
6646	NASDAQ	ATRI	Fri, Oct 12, 2018	703.48	718.11	680.60	680.60
6645	NASDAQ	ATRI	Thu, Oct 11, 2018	708.82	710.00	682.50	698.00
6644	NASDAQ	ATRI	Wed, Oct 10, 2018	683.99	709.53	673.05	680.00
6643	NASDAQ	ATRI	Tue, Oct 9, 2018	683.68	696.25	683.68	684.46
6642	NASDAQ	ATRI	Mon, Oct 8, 2018	678.00	685.31	659.46	684.46
6641	NASDAQ	ATRI	Fri, Oct 5, 2018	669.10	679.71	669.10	677.57
6640	NASDAQ	ATRI	Thu, Oct 4, 2018	670.30	674.25	664.24	667.94
6639	NASDAQ	ATRI	Wed, Oct 3, 2018	675.97	679.64	663.20	670.14
6638	NASDAQ	ATRI	Tue, Oct 2, 2018	671.00	682.00	665.50	675.60
6637	NASDAQ	ATRI	Mon, Oct 1, 2018	696.46	696.46	677.00	679.00
6636	NASDAQ	ATRI	Fri, Sep 28, 2018	685.00	694.80	678.15	694.80
6635	NASDAQ	ATRI	Thu, Sep 27, 2018	702.05	705.00	687.00	687.00
6634	NASDAQ	ATRI	Wed, Sep 26, 2018	681.93	704.70	680.70	699.60
6633	NASDAQ	ATRI	Tue, Sep 25, 2018	661.35	686.32	659.95	677.50
6632	NASDAQ	ATRI	Mon, Sep 24, 2018	658.00	661.75	655.00	661.75
6631	NASDAQ	ATRI	Fri, Sep 21, 2018	641.60	663.05	641.60	657.90
6630	NASDAQ	ATRI	Thu, Sep 20, 2018	635.00	643.00	634.90	641.90
6629	NASDAQ	ATRI	Wed, Sep 19, 2018	636.05	642.75	634.00	636.00
6628	NASDAQ	ATRI	Tue, Sep 18, 2018	637.95	644.20	637.00	641.95
6627	NASDAQ	ATRI	Mon, Sep 17, 2018	624.00	643.95	624.00	643.95
6626	NASDAQ	ATRI	Fri, Sep 14, 2018	634.30	639.60	628.60	628.60
6625	NASDAQ	ATRI	Thu, Sep 13, 2018	642.60	643.00	632.55	640.00
6624	NASDAQ	ATRI	Wed, Sep 12, 2018	643.00	649.95	642.00	642.80
6623	NASDAQ	ATRI	Tue, Sep 11, 2018	630.25	640.20	630.25	640.20
6622	NASDAQ	ATRI	Mon, Sep 10, 2018	636.00	639.75	636.00	636.85
6621	NASDAQ	ATRI	Fri, Sep 7, 2018	641.05	641.05	636.15	636.15
6620	NASDAQ	ATRI	Thu, Sep 6, 2018	650.23	650.23	637.95	642.25
6619	NASDAQ	ATRI	Wed, Sep 5, 2018	649.50	649.50	648.50	648.50
6618	NASDAQ	ATRI	Tue, Sep 4, 2018	652.05	656.45	648.60	648.60
6617	NASDAQ	ATRI	Fri, Aug 31, 2018	630.30	655.05	630.30	655.05
6616	NASDAQ	ATRI	Thu, Aug 30, 2018	637.50	642.00	630.00	630.00
6615	NASDAQ	ATRI	Wed, Aug 29, 2018	653.90	653.90	649.40	649.40
6614	NASDAQ	ATRI	Tue, Aug 28, 2018	651.10	656.50	645.25	646.00
6613	NASDAQ	ATRI	Mon, Aug 27, 2018	644.70	657.93	644.70	649.55
6612	NASDAQ	ATRI	Fri, Aug 24, 2018	645.50	647.20	641.00	641.00
6611	NASDAQ	ATRI	Thu, Aug 23, 2018	649.00	653.00	641.45	643.70
6610	NASDAQ	ATRI	Wed, Aug 22, 2018	643.25	643.25	643.25	643.25
6609	NASDAQ	ATRI	Tue, Aug 21, 2018	656.80	656.80	645.00	645.00
6608	NASDAQ	ATRI	Mon, Aug 20, 2018	655.70	660.00	650.20	653.00
6607	NASDAQ	ATRI	Fri, Aug 17, 2018	656.15	668.10	654.75	654.75
6606	NASDAQ	ATRI	Thu, Aug 16, 2018	671.50	679.50	655.40	657.85
6605	NASDAQ	ATRI	Wed, Aug 15, 2018	658.05	672.65	658.05	669.00
6604	NASDAQ	ATRI	Tue, Aug 14, 2018	649.50	661.18	649.50	656.95
6603	NASDAQ	ATRI	Mon, Aug 13, 2018	641.00	650.00	633.33	644.00
6602	NASDAQ	ATRI	Fri, Aug 10, 2018	641.45	641.45	630.00	637.15
6601	NASDAQ	ATRI	Thu, Aug 9, 2018	638.00	645.30	637.00	645.30
6600	NASDAQ	ATRI	Wed, Aug 8, 2018	626.05	640.80	625.00	635.00
6599	NASDAQ	ATRI	Tue, Aug 7, 2018	642.60	642.60	624.10	628.00
6598	NASDAQ	ATRI	Mon, Aug 6, 2018	636.45	648.75	634.00	642.00
6597	NASDAQ	ATRI	Fri, Aug 3, 2018	668.98	683.05	614.20	636.00
6596	NASDAQ	ATRI	Thu, Aug 2, 2018	666.95	677.00	666.95	673.00
6595	NASDAQ	ATRI	Wed, Aug 1, 2018	688.55	694.25	662.10	669.00
6594	NASDAQ	ATRI	Tue, Jul 31, 2018	638.80	691.03	628.30	688.00
6593	NASDAQ	ATRI	Mon, Jul 30, 2018	630.00	638.80	630.00	638.80
6592	NASDAQ	ATRI	Fri, Jul 27, 2018	633.80	640.00	627.93	630.00
6591	NASDAQ	ATRI	Thu, Jul 26, 2018	635.50	640.00	632.20	632.20
6590	NASDAQ	ATRI	Wed, Jul 25, 2018	634.05	635.80	633.90	635.65
6589	NASDAQ	ATRI	Tue, Jul 24, 2018	639.95	641.15	629.15	632.45
6588	NASDAQ	ATRI	Mon, Jul 23, 2018	628.40	640.75	627.95	640.00
6587	NASDAQ	ATRI	Fri, Jul 20, 2018	631.15	632.00	628.58	630.00
6586	NASDAQ	ATRI	Thu, Jul 19, 2018	627.85	632.90	627.85	631.35
6585	NASDAQ	ATRI	Wed, Jul 18, 2018	615.00	625.80	615.00	625.80
6584	NASDAQ	ATRI	Tue, Jul 17, 2018	602.45	617.10	602.45	616.40
6583	NASDAQ	ATRI	Mon, Jul 16, 2018	616.50	623.05	605.05	605.05
6582	NASDAQ	ATRI	Fri, Jul 13, 2018	621.10	621.10	615.60	617.00
6581	NASDAQ	ATRI	Thu, Jul 12, 2018	615.15	624.00	601.30	623.00
6580	NASDAQ	ATRI	Wed, Jul 11, 2018	620.05	627.90	613.05	614.00
6579	NASDAQ	ATRI	Tue, Jul 10, 2018	634.70	635.95	618.80	621.40
6578	NASDAQ	ATRI	Mon, Jul 9, 2018	637.90	645.00	632.20	632.20
6577	NASDAQ	ATRI	Fri, Jul 6, 2018	630.80	644.95	630.80	637.40
6576	NASDAQ	ATRI	Thu, Jul 5, 2018	608.00	639.95	605.05	631.90
6575	NASDAQ	ATRI	Tue, Jul 3, 2018	602.70	607.95	602.10	604.90
6574	NASDAQ	ATRI	Mon, Jul 2, 2018	599.50	602.80	593.50	602.80
6573	NASDAQ	ATRI	Fri, Jun 29, 2018	599.50	608.45	595.40	599.40
6572	NASDAQ	ATRI	Thu, Jun 28, 2018	589.30	602.00	588.65	599.10
6571	NASDAQ	ATRI	Wed, Jun 27, 2018	600.00	600.00	588.95	588.95
6570	NASDAQ	ATRI	Tue, Jun 26, 2018	598.20	601.05	596.96	597.30
6569	NASDAQ	ATRI	Mon, Jun 25, 2018	598.75	604.05	594.10	597.00
6568	NASDAQ	ATRI	Fri, Jun 22, 2018	606.90	611.60	600.18	604.05
6567	NASDAQ	ATRI	Thu, Jun 21, 2018	606.65	606.95	596.00	603.20
6566	NASDAQ	ATRI	Wed, Jun 20, 2018	598.43	612.00	589.00	604.70
6565	NASDAQ	ATRI	Tue, Jun 19, 2018	585.00	593.00	582.00	591.50
6564	NASDAQ	ATRI	Mon, Jun 18, 2018	585.90	586.25	577.50	586.25
6563	NASDAQ	ATRI	Fri, Jun 15, 2018	583.70	586.90	573.50	581.00
6562	NASDAQ	ATRI	Thu, Jun 14, 2018	578.85	606.90	578.85	585.90
6561	NASDAQ	ATRI	Wed, Jun 13, 2018	574.00	580.75	571.00	580.75
6560	NASDAQ	ATRI	Tue, Jun 12, 2018	576.50	577.20	567.50	571.15
6559	NASDAQ	ATRI	Mon, Jun 11, 2018	574.90	580.95	570.85	570.85
6558	NASDAQ	ATRI	Fri, Jun 8, 2018	567.80	576.00	566.95	573.00
6557	NASDAQ	ATRI	Thu, Jun 7, 2018	574.75	577.45	561.20	569.60
6556	NASDAQ	ATRI	Wed, Jun 6, 2018	578.90	578.90	560.65	568.25
6555	NASDAQ	ATRI	Tue, Jun 5, 2018	580.90	583.00	564.35	573.20
6554	NASDAQ	ATRI	Mon, Jun 4, 2018	599.40	600.00	579.65	579.65
6553	NASDAQ	ATRI	Fri, Jun 1, 2018	593.70	600.00	590.55	594.00
6552	NASDAQ	ATRI	Thu, May 31, 2018	595.00	599.90	588.00	590.00
6551	NASDAQ	ATRI	Wed, May 30, 2018	582.85	598.50	582.85	595.95
6550	NASDAQ	ATRI	Tue, May 29, 2018	581.05	587.70	578.50	583.45
6549	NASDAQ	ATRI	Fri, May 25, 2018	579.35	589.75	574.10	589.75
6548	NASDAQ	ATRI	Thu, May 24, 2018	584.90	591.50	579.10	581.05
6547	NASDAQ	ATRI	Wed, May 23, 2018	600.45	600.45	584.50	584.50
6546	NASDAQ	ATRI	Tue, May 22, 2018	612.00	612.00	593.25	593.25
6545	NASDAQ	ATRI	Mon, May 21, 2018	595.75	604.75	593.25	599.60
6544	NASDAQ	ATRI	Fri, May 18, 2018	596.00	596.00	593.00	594.45
6543	NASDAQ	ATRI	Thu, May 17, 2018	610.00	610.00	589.50	596.85
6542	NASDAQ	ATRI	Wed, May 16, 2018	591.60	603.00	591.60	600.00
6541	NASDAQ	ATRI	Tue, May 15, 2018	580.05	584.35	576.00	584.35
6540	NASDAQ	ATRI	Mon, May 14, 2018	595.50	595.50	580.00	585.25
6539	NASDAQ	ATRI	Fri, May 11, 2018	599.33	609.00	591.50	594.75
6538	NASDAQ	ATRI	Thu, May 10, 2018	601.30	609.40	592.70	599.00
6537	NASDAQ	ATRI	Wed, May 9, 2018	616.80	630.48	608.35	608.35
6536	NASDAQ	ATRI	Tue, May 8, 2018	615.55	621.25	607.50	616.90
6535	NASDAQ	ATRI	Mon, May 7, 2018	630.33	632.45	621.40	622.55
6534	NASDAQ	ATRI	Fri, May 4, 2018	628.00	633.88	621.50	628.95
6533	NASDAQ	ATRI	Thu, May 3, 2018	630.00	635.83	623.95	628.60
6532	NASDAQ	ATRI	Wed, May 2, 2018	635.85	636.75	632.85	632.85
6531	NASDAQ	ATRI	Tue, May 1, 2018	620.00	629.95	620.00	628.75
6530	NASDAQ	ATRI	Mon, Apr 30, 2018	635.00	635.00	605.90	622.10
6529	NASDAQ	ATRI	Fri, Apr 27, 2018	630.90	640.00	627.90	627.90
6528	NASDAQ	ATRI	Thu, Apr 26, 2018	627.03	636.75	627.00	629.70
6527	NASDAQ	ATRI	Wed, Apr 25, 2018	637.00	639.50	623.25	632.00
6526	NASDAQ	ATRI	Tue, Apr 24, 2018	642.95	645.43	616.90	628.00
6525	NASDAQ	ATRI	Mon, Apr 23, 2018	643.00	643.00	633.50	634.50
6524	NASDAQ	ATRI	Fri, Apr 20, 2018	628.35	640.00	627.10	635.80
6523	NASDAQ	ATRI	Thu, Apr 19, 2018	615.80	631.20	615.80	629.65
6522	NASDAQ	ATRI	Wed, Apr 18, 2018	618.00	627.00	613.90	620.20
6521	NASDAQ	ATRI	Tue, Apr 17, 2018	615.00	618.00	602.08	618.00
6520	NASDAQ	ATRI	Mon, Apr 16, 2018	612.05	617.70	603.00	606.65
6519	NASDAQ	ATRI	Fri, Apr 13, 2018	608.40	613.85	605.70	607.20
6518	NASDAQ	ATRI	Thu, Apr 12, 2018	608.05	611.50	604.00	607.25
6517	NASDAQ	ATRI	Wed, Apr 11, 2018	599.45	609.95	587.54	609.90
6516	NASDAQ	ATRI	Tue, Apr 10, 2018	599.05	604.05	599.05	601.00
6515	NASDAQ	ATRI	Mon, Apr 9, 2018	614.00	615.50	594.50	594.50
6514	NASDAQ	ATRI	Fri, Apr 6, 2018	602.35	615.00	580.55	602.00
6513	NASDAQ	ATRI	Thu, Apr 5, 2018	608.00	625.50	604.70	609.00
6512	NASDAQ	ATRI	Wed, Apr 4, 2018	596.00	616.10	596.00	606.15
6511	NASDAQ	ATRI	Tue, Apr 3, 2018	601.60	604.20	580.00	604.20
6510	NASDAQ	ATRI	Mon, Apr 2, 2018	633.00	633.00	580.60	597.90
6509	NASDAQ	ATRI	Thu, Mar 29, 2018	633.85	642.95	627.50	631.30
6508	NASDAQ	ATRI	Wed, Mar 28, 2018	629.85	639.11	629.00	633.85
6507	NASDAQ	ATRI	Tue, Mar 27, 2018	624.95	640.00	622.00	625.00
6506	NASDAQ	ATRI	Mon, Mar 26, 2018	605.25	626.00	605.25	624.70
6505	NASDAQ	ATRI	Fri, Mar 23, 2018	607.65	621.00	598.50	598.50
6504	NASDAQ	ATRI	Thu, Mar 22, 2018	625.00	632.00	607.50	607.50
6503	NASDAQ	ATRI	Wed, Mar 21, 2018	623.95	646.00	623.95	630.00
6502	NASDAQ	ATRI	Tue, Mar 20, 2018	615.00	627.40	613.00	623.10
6501	NASDAQ	ATRI	Mon, Mar 19, 2018	607.05	611.00	599.95	611.00
6500	NASDAQ	ATRI	Fri, Mar 16, 2018	606.50	614.05	598.45	606.50
6499	NASDAQ	ATRI	Thu, Mar 15, 2018	607.00	616.00	593.63	607.40
6498	NASDAQ	ATRI	Wed, Mar 14, 2018	603.55	605.38	585.60	602.10
6497	NASDAQ	ATRI	Tue, Mar 13, 2018	605.95	614.25	595.40	600.55
6496	NASDAQ	ATRI	Mon, Mar 12, 2018	602.60	611.65	598.00	600.50
6495	NASDAQ	ATRI	Fri, Mar 9, 2018	624.15	625.70	603.50	603.50
6494	NASDAQ	ATRI	Thu, Mar 8, 2018	617.40	635.89	617.40	621.00
6493	NASDAQ	ATRI	Wed, Mar 7, 2018	592.45	629.75	591.10	614.05
6492	NASDAQ	ATRI	Tue, Mar 6, 2018	578.00	597.50	573.00	597.10
6491	NASDAQ	ATRI	Mon, Mar 5, 2018	576.00	600.40	571.00	582.10
6490	NASDAQ	ATRI	Fri, Mar 2, 2018	575.00	596.40	563.45	569.70
6489	NASDAQ	ATRI	Thu, Mar 1, 2018	588.25	602.00	575.00	579.60
6488	NASDAQ	ATRI	Wed, Feb 28, 2018	537.05	623.00	537.05	588.90
6487	NASDAQ	ATRI	Tue, Feb 27, 2018	559.65	559.65	543.20	543.20
6486	NASDAQ	ATRI	Mon, Feb 26, 2018	539.00	563.40	527.74	550.00
6485	NASDAQ	ATRI	Fri, Feb 23, 2018	574.95	585.10	545.65	547.80
6484	NASDAQ	ATRI	Thu, Feb 22, 2018	535.00	582.90	530.25	582.90
6483	NASDAQ	ATRI	Wed, Feb 21, 2018	539.85	540.05	516.85	526.80
6482	NASDAQ	ATRI	Tue, Feb 20, 2018	541.85	555.05	535.40	535.40
6481	NASDAQ	ATRI	Fri, Feb 16, 2018	545.75	555.00	545.15	547.00
6480	NASDAQ	ATRI	Thu, Feb 15, 2018	565.00	567.80	541.90	548.60
6479	NASDAQ	ATRI	Wed, Feb 14, 2018	565.00	572.65	561.00	561.00
6478	NASDAQ	ATRI	Tue, Feb 13, 2018	564.45	573.00	554.92	561.25
6477	NASDAQ	ATRI	Mon, Feb 12, 2018	545.15	567.00	540.05	566.00
6476	NASDAQ	ATRI	Fri, Feb 9, 2018	536.00	545.80	526.00	545.80
6475	NASDAQ	ATRI	Thu, Feb 8, 2018	552.15	552.15	543.50	543.50
6474	NASDAQ	ATRI	Wed, Feb 7, 2018	544.00	555.00	544.00	552.90
6473	NASDAQ	ATRI	Tue, Feb 6, 2018	545.20	546.50	526.00	541.00
6472	NASDAQ	ATRI	Mon, Feb 5, 2018	545.65	560.05	545.00	545.00
6471	NASDAQ	ATRI	Fri, Feb 2, 2018	560.05	560.05	542.65	550.10
6470	NASDAQ	ATRI	Thu, Feb 1, 2018	578.35	578.35	562.55	567.50
6469	NASDAQ	ATRI	Wed, Jan 31, 2018	571.30	583.60	568.50	575.40
6468	NASDAQ	ATRI	Tue, Jan 30, 2018	573.00	573.00	570.00	570.00
6467	NASDAQ	ATRI	Mon, Jan 29, 2018	581.00	582.00	579.00	579.00
6466	NASDAQ	ATRI	Fri, Jan 26, 2018	594.60	594.60	594.60	594.60
6465	NASDAQ	ATRI	Thu, Jan 25, 2018	598.45	606.25	597.35	597.35
6464	NASDAQ	ATRI	Wed, Jan 24, 2018	605.00	612.10	596.00	596.00
6463	NASDAQ	ATRI	Tue, Jan 23, 2018	608.50	608.50	595.50	607.00
6462	NASDAQ	ATRI	Mon, Jan 22, 2018	610.20	616.50	603.30	608.90
6461	NASDAQ	ATRI	Fri, Jan 19, 2018	590.20	611.20	589.95	611.20
6460	NASDAQ	ATRI	Thu, Jan 18, 2018	575.00	589.90	569.65	589.90
6459	NASDAQ	ATRI	Wed, Jan 17, 2018	586.50	586.50	566.05	577.55
6458	NASDAQ	ATRI	Tue, Jan 16, 2018	585.00	585.00	582.55	585.00
6457	NASDAQ	ATRI	Fri, Jan 12, 2018	594.75	594.75	582.05	584.35
6456	NASDAQ	ATRI	Thu, Jan 11, 2018	591.00	606.83	590.45	593.45
6455	NASDAQ	ATRI	Wed, Jan 10, 2018	602.90	602.90	588.83	597.00
6454	NASDAQ	ATRI	Tue, Jan 9, 2018	603.90	603.90	603.90	603.90
6453	NASDAQ	ATRI	Mon, Jan 8, 2018	600.70	610.05	595.10	595.10
6452	NASDAQ	ATRI	Fri, Jan 5, 2018	593.00	608.68	528.70	594.95
6451	NASDAQ	ATRI	Thu, Jan 4, 2018	607.10	607.10	593.20	593.20
6450	NASDAQ	ATRI	Wed, Jan 3, 2018	621.20	622.00	602.05	609.35
6449	NASDAQ	ATRI	Tue, Jan 2, 2018	629.95	630.60	619.35	619.35
6448	NASDAQ	ATRI	Fri, Dec 29, 2017	631.10	635.50	630.60	630.60
6447	NASDAQ	ATRI	Thu, Dec 28, 2017	627.50	633.00	627.50	633.00
6446	NASDAQ	ATRI	Wed, Dec 27, 2017	630.15	630.20	625.80	630.20
6445	NASDAQ	ATRI	Tue, Dec 26, 2017	637.80	637.80	630.25	630.25
6444	NASDAQ	ATRI	Fri, Dec 22, 2017	640.00	648.20	637.05	637.05
6443	NASDAQ	ATRI	Thu, Dec 21, 2017	645.75	645.75	639.70	639.90
6442	NASDAQ	ATRI	Wed, Dec 20, 2017	644.45	645.00	642.55	642.55
6441	NASDAQ	ATRI	Tue, Dec 19, 2017	633.38	661.61	633.38	641.40
6440	NASDAQ	ATRI	Mon, Dec 18, 2017	637.00	643.00	637.00	643.00
6439	NASDAQ	ATRI	Fri, Dec 15, 2017	618.15	632.50	612.10	630.00
6438	NASDAQ	ATRI	Thu, Dec 14, 2017	625.20	625.20	620.60	620.60
6437	NASDAQ	ATRI	Wed, Dec 13, 2017	629.20	629.20	629.20	629.20
6436	NASDAQ	ATRI	Tue, Dec 12, 2017	637.35	637.35	630.05	630.25
6435	NASDAQ	ATRI	Mon, Dec 11, 2017	645.00	645.00	634.05	635.55
6434	NASDAQ	ATRI	Fri, Dec 8, 2017	648.00	650.00	638.25	638.25
6433	NASDAQ	ATRI	Thu, Dec 7, 2017	652.15	652.15	645.00	647.00
6432	NASDAQ	ATRI	Wed, Dec 6, 2017	659.00	659.00	650.00	653.50
6431	NASDAQ	ATRI	Tue, Dec 5, 2017	666.95	666.95	658.55	658.55
6430	NASDAQ	ATRI	Mon, Dec 4, 2017	670.00	670.00	662.00	662.00
6429	NASDAQ	ATRI	Fri, Dec 1, 2017	674.40	674.40	662.10	662.10
6428	NASDAQ	ATRI	Thu, Nov 30, 2017	675.90	675.90	665.70	674.60
6427	NASDAQ	ATRI	Wed, Nov 29, 2017	680.00	680.00	673.00	674.10
6426	NASDAQ	ATRI	Tue, Nov 28, 2017	671.05	675.00	668.48	669.90
6425	NASDAQ	ATRI	Mon, Nov 27, 2017	664.70	672.70	656.10	672.70
6424	NASDAQ	ATRI	Fri, Nov 24, 2017	656.35	670.38	656.35	666.00
6423	NASDAQ	ATRI	Wed, Nov 22, 2017	656.15	656.30	656.15	656.30
6422	NASDAQ	ATRI	Tue, Nov 21, 2017	641.80	654.85	641.80	654.85
6421	NASDAQ	ATRI	Mon, Nov 20, 2017	643.00	643.00	638.30	638.30
6420	NASDAQ	ATRI	Fri, Nov 17, 2017	642.50	642.50	639.35	641.90
6419	NASDAQ	ATRI	Thu, Nov 16, 2017	642.45	644.00	641.00	644.00
6418	NASDAQ	ATRI	Wed, Nov 15, 2017	645.05	645.05	636.00	639.45
6417	NASDAQ	ATRI	Tue, Nov 14, 2017	640.25	644.90	640.00	642.20
6416	NASDAQ	ATRI	Mon, Nov 13, 2017	634.00	639.50	626.30	639.50
6415	NASDAQ	ATRI	Fri, Nov 10, 2017	640.85	644.00	633.55	633.55
6414	NASDAQ	ATRI	Thu, Nov 9, 2017	646.15	649.80	636.00	645.05
6413	NASDAQ	ATRI	Wed, Nov 8, 2017	655.10	655.10	642.25	648.25
6412	NASDAQ	ATRI	Tue, Nov 7, 2017	666.65	666.65	660.00	662.00
6411	NASDAQ	ATRI	Mon, Nov 6, 2017	657.35	668.43	649.20	656.00
6410	NASDAQ	ATRI	Fri, Nov 3, 2017	656.50	662.00	653.61	662.00
6409	NASDAQ	ATRI	Thu, Nov 2, 2017	650.35	657.00	650.35	654.25
6408	NASDAQ	ATRI	Wed, Nov 1, 2017	657.65	657.65	647.15	647.15
6407	NASDAQ	ATRI	Tue, Oct 31, 2017	656.85	657.65	646.08	657.65
6406	NASDAQ	ATRI	Mon, Oct 30, 2017	658.00	668.85	652.95	652.95
6405	NASDAQ	ATRI	Fri, Oct 27, 2017	658.00	661.80	647.93	660.35
6404	NASDAQ	ATRI	Thu, Oct 26, 2017	643.20	649.95	642.60	649.95
6403	NASDAQ	ATRI	Wed, Oct 25, 2017	648.05	651.55	640.05	649.30
6402	NASDAQ	ATRI	Tue, Oct 24, 2017	660.45	661.85	648.75	649.95
6401	NASDAQ	ATRI	Mon, Oct 23, 2017	661.40	671.60	654.50	655.45
6400	NASDAQ	ATRI	Fri, Oct 20, 2017	685.35	685.35	674.90	675.00
6399	NASDAQ	ATRI	Thu, Oct 19, 2017	675.10	675.10	675.10	675.10
6398	NASDAQ	ATRI	Wed, Oct 18, 2017	688.00	689.35	684.90	689.35
6397	NASDAQ	ATRI	Tue, Oct 17, 2017	665.30	678.90	665.30	678.90
6396	NASDAQ	ATRI	Mon, Oct 16, 2017	669.30	677.80	664.45	677.40
6395	NASDAQ	ATRI	Fri, Oct 13, 2017	660.60	685.45	660.60	663.90
6394	NASDAQ	ATRI	Thu, Oct 12, 2017	661.45	668.95	659.15	668.95
6393	NASDAQ	ATRI	Wed, Oct 11, 2017	659.05	665.00	657.60	664.90
6392	NASDAQ	ATRI	Tue, Oct 10, 2017	673.80	673.80	662.70	663.95
6391	NASDAQ	ATRI	Mon, Oct 9, 2017	664.80	664.80	649.95	659.95
6390	NASDAQ	ATRI	Fri, Oct 6, 2017	668.40	682.40	658.45	666.60
6389	NASDAQ	ATRI	Thu, Oct 5, 2017	683.15	683.15	665.05	670.95
6388	NASDAQ	ATRI	Wed, Oct 4, 2017	685.00	694.00	679.85	679.95
6387	NASDAQ	ATRI	Tue, Oct 3, 2017	684.70	685.00	684.70	684.90
6386	NASDAQ	ATRI	Mon, Oct 2, 2017	672.00	678.60	672.00	677.05
6385	NASDAQ	ATRI	Fri, Sep 29, 2017	675.00	684.30	672.00	672.00
6384	NASDAQ	ATRI	Thu, Sep 28, 2017	664.40	680.00	664.40	673.40
6383	NASDAQ	ATRI	Wed, Sep 27, 2017	643.00	667.85	643.00	667.85
6382	NASDAQ	ATRI	Tue, Sep 26, 2017	640.00	649.00	635.15	643.30
6381	NASDAQ	ATRI	Mon, Sep 25, 2017	658.10	658.10	640.30	640.30
6380	NASDAQ	ATRI	Fri, Sep 22, 2017	650.00	660.00	648.25	651.30
6379	NASDAQ	ATRI	Thu, Sep 21, 2017	659.05	659.05	645.35	649.30
6378	NASDAQ	ATRI	Wed, Sep 20, 2017	657.70	671.60	651.63	662.00
6377	NASDAQ	ATRI	Tue, Sep 19, 2017	656.75	662.08	647.20	647.80
6376	NASDAQ	ATRI	Mon, Sep 18, 2017	646.00	665.35	639.95	657.50
6375	NASDAQ	ATRI	Fri, Sep 15, 2017	659.70	667.95	638.95	638.95
6374	NASDAQ	ATRI	Thu, Sep 14, 2017	670.00	670.00	648.15	661.95
6373	NASDAQ	ATRI	Wed, Sep 13, 2017	673.65	676.00	665.00	668.35
6372	NASDAQ	ATRI	Tue, Sep 12, 2017	684.00	685.00	669.05	670.95
6371	NASDAQ	ATRI	Mon, Sep 11, 2017	672.40	689.90	672.00	680.00
6370	NASDAQ	ATRI	Fri, Sep 8, 2017	661.65	673.20	659.70	664.25
6369	NASDAQ	ATRI	Thu, Sep 7, 2017	659.00	688.00	656.15	670.50
6368	NASDAQ	ATRI	Wed, Sep 6, 2017	650.00	658.00	644.55	658.00
6367	NASDAQ	ATRI	Tue, Sep 5, 2017	634.23	670.00	634.23	647.00
6366	NASDAQ	ATRI	Fri, Sep 1, 2017	620.00	625.00	617.50	625.00
6365	NASDAQ	ATRI	Thu, Aug 31, 2017	623.00	623.10	614.65	622.15
6364	NASDAQ	ATRI	Wed, Aug 30, 2017	606.05	615.90	606.00	614.00
6363	NASDAQ	ATRI	Tue, Aug 29, 2017	616.54	617.10	605.70	608.70
6362	NASDAQ	ATRI	Mon, Aug 28, 2017	620.00	624.70	615.65	620.60
6361	NASDAQ	ATRI	Fri, Aug 25, 2017	623.00	623.00	614.00	619.70
6360	NASDAQ	ATRI	Thu, Aug 24, 2017	618.00	618.00	612.51	617.90
6359	NASDAQ	ATRI	Wed, Aug 23, 2017	623.00	623.05	619.00	620.00
6358	NASDAQ	ATRI	Tue, Aug 22, 2017	613.60	618.00	613.60	618.00
6357	NASDAQ	ATRI	Mon, Aug 21, 2017	616.68	616.68	612.65	612.65
6356	NASDAQ	ATRI	Fri, Aug 18, 2017	615.75	617.05	614.00	616.70
6355	NASDAQ	ATRI	Thu, Aug 17, 2017	625.05	625.05	620.50	620.50
6354	NASDAQ	ATRI	Wed, Aug 16, 2017	625.00	626.65	618.93	626.65
6353	NASDAQ	ATRI	Tue, Aug 15, 2017	632.80	634.00	625.05	625.05
6352	NASDAQ	ATRI	Mon, Aug 14, 2017	624.90	629.65	617.05	629.65
6351	NASDAQ	ATRI	Fri, Aug 11, 2017	633.65	633.65	622.95	622.95
6350	NASDAQ	ATRI	Thu, Aug 10, 2017	635.70	639.00	631.10	633.75
6349	NASDAQ	ATRI	Wed, Aug 9, 2017	644.00	655.95	641.90	645.05
6348	NASDAQ	ATRI	Tue, Aug 8, 2017	645.05	645.05	634.50	635.90
6347	NASDAQ	ATRI	Mon, Aug 7, 2017	644.20	645.60	642.00	642.00
6346	NASDAQ	ATRI	Fri, Aug 4, 2017	642.00	652.15	642.00	652.15
6345	NASDAQ	ATRI	Thu, Aug 3, 2017	635.00	642.00	635.00	640.15
6344	NASDAQ	ATRI	Wed, Aug 2, 2017	636.00	640.25	634.00	634.40
6343	NASDAQ	ATRI	Tue, Aug 1, 2017	635.00	640.80	632.85	640.80
6342	NASDAQ	ATRI	Mon, Jul 31, 2017	633.00	635.70	632.20	632.20
6341	NASDAQ	ATRI	Fri, Jul 28, 2017	632.60	635.70	620.05	635.70
6340	NASDAQ	ATRI	Thu, Jul 27, 2017	625.70	640.00	623.00	638.15
6339	NASDAQ	ATRI	Wed, Jul 26, 2017	633.80	634.80	623.60	627.00
6338	NASDAQ	ATRI	Tue, Jul 25, 2017	631.80	631.80	621.95	625.15
6337	NASDAQ	ATRI	Mon, Jul 24, 2017	626.80	626.80	619.40	619.40
6336	NASDAQ	ATRI	Fri, Jul 21, 2017	637.60	637.60	626.00	632.85
6335	NASDAQ	ATRI	Thu, Jul 20, 2017	644.50	644.50	626.65	628.60
6334	NASDAQ	ATRI	Wed, Jul 19, 2017	630.10	641.75	630.10	635.40
6333	NASDAQ	ATRI	Tue, Jul 18, 2017	620.00	633.00	618.05	633.00
6332	NASDAQ	ATRI	Mon, Jul 17, 2017	645.10	645.10	626.95	627.00
6331	NASDAQ	ATRI	Fri, Jul 14, 2017	640.00	647.80	639.95	647.00
6330	NASDAQ	ATRI	Thu, Jul 13, 2017	664.80	664.80	636.20	639.50
6329	NASDAQ	ATRI	Wed, Jul 12, 2017	683.10	686.00	663.85	663.85
6328	NASDAQ	ATRI	Tue, Jul 11, 2017	667.40	691.95	667.40	681.20
6327	NASDAQ	ATRI	Mon, Jul 10, 2017	660.00	667.40	651.45	667.40
6326	NASDAQ	ATRI	Fri, Jul 7, 2017	667.80	667.80	653.50	661.50
6325	NASDAQ	ATRI	Thu, Jul 6, 2017	656.40	659.05	652.00	656.05
6324	NASDAQ	ATRI	Wed, Jul 5, 2017	667.00	668.90	656.40	656.40
6323	NASDAQ	ATRI	Mon, Jul 3, 2017	644.00	654.70	641.75	654.70
6322	NASDAQ	ATRI	Fri, Jun 30, 2017	640.65	645.00	630.90	643.30
6321	NASDAQ	ATRI	Thu, Jun 29, 2017	660.20	660.20	639.10	639.10
6320	NASDAQ	ATRI	Wed, Jun 28, 2017	605.60	688.95	605.60	663.45
6319	NASDAQ	ATRI	Tue, Jun 27, 2017	596.70	620.95	596.70	612.60
6318	NASDAQ	ATRI	Mon, Jun 26, 2017	587.00	600.00	586.90	596.75
6317	NASDAQ	ATRI	Fri, Jun 23, 2017	578.50	586.95	578.50	583.00
6316	NASDAQ	ATRI	Thu, Jun 22, 2017	573.90	580.00	572.21	577.70
6315	NASDAQ	ATRI	Wed, Jun 21, 2017	569.05	572.95	567.05	572.15
6314	NASDAQ	ATRI	Tue, Jun 20, 2017	572.95	578.98	569.00	569.15
6313	NASDAQ	ATRI	Mon, Jun 19, 2017	569.48	575.80	566.95	575.80
6312	NASDAQ	ATRI	Fri, Jun 16, 2017	563.40	567.58	563.40	565.00
6311	NASDAQ	ATRI	Thu, Jun 15, 2017	568.95	569.50	560.75	569.50
6310	NASDAQ	ATRI	Wed, Jun 14, 2017	580.20	580.20	572.28	574.25
6309	NASDAQ	ATRI	Tue, Jun 13, 2017	573.35	582.30	572.95	577.90
6308	NASDAQ	ATRI	Mon, Jun 12, 2017	586.10	586.10	571.00	572.10
6307	NASDAQ	ATRI	Fri, Jun 9, 2017	575.00	586.40	575.00	582.30
6306	NASDAQ	ATRI	Thu, Jun 8, 2017	571.90	577.35	569.10	577.00
6305	NASDAQ	ATRI	Wed, Jun 7, 2017	570.00	573.05	569.05	569.50
6304	NASDAQ	ATRI	Tue, Jun 6, 2017	585.65	586.65	572.00	572.00
6303	NASDAQ	ATRI	Mon, Jun 5, 2017	585.95	589.40	585.95	586.80
6302	NASDAQ	ATRI	Fri, Jun 2, 2017	564.45	588.44	564.45	586.40
6301	NASDAQ	ATRI	Thu, Jun 1, 2017	551.95	565.70	551.95	565.70
6300	NASDAQ	ATRI	Wed, May 31, 2017	546.20	553.03	543.00	551.65
6299	NASDAQ	ATRI	Tue, May 30, 2017	550.00	551.45	545.30	545.50
6298	NASDAQ	ATRI	Fri, May 26, 2017	548.80	549.05	545.90	547.90
6297	NASDAQ	ATRI	Thu, May 25, 2017	540.00	547.95	536.70	545.60
6296	NASDAQ	ATRI	Wed, May 24, 2017	537.00	541.80	537.00	541.80
6295	NASDAQ	ATRI	Tue, May 23, 2017	533.70	539.35	530.00	538.00
6294	NASDAQ	ATRI	Mon, May 22, 2017	533.00	538.63	533.00	536.00
6293	NASDAQ	ATRI	Fri, May 19, 2017	536.20	537.80	533.90	535.50
6292	NASDAQ	ATRI	Thu, May 18, 2017	532.50	538.15	532.50	537.60
6291	NASDAQ	ATRI	Wed, May 17, 2017	539.00	540.70	535.15	535.15
6290	NASDAQ	ATRI	Tue, May 16, 2017	542.75	542.75	537.00	539.30
6289	NASDAQ	ATRI	Mon, May 15, 2017	540.00	545.25	540.00	543.40
6288	NASDAQ	ATRI	Fri, May 12, 2017	530.55	542.05	530.55	540.00
6287	NASDAQ	ATRI	Thu, May 11, 2017	513.45	529.80	511.65	529.80
6286	NASDAQ	ATRI	Wed, May 10, 2017	515.00	515.00	506.35	510.00
6285	NASDAQ	ATRI	Tue, May 9, 2017	519.65	519.65	512.35	512.35
6284	NASDAQ	ATRI	Mon, May 8, 2017	520.00	520.00	516.55	517.60
6283	NASDAQ	ATRI	Fri, May 5, 2017	517.65	517.65	513.55	515.55
6282	NASDAQ	ATRI	Thu, May 4, 2017	520.45	520.45	515.50	516.20
6281	NASDAQ	ATRI	Wed, May 3, 2017	519.15	520.75	517.55	519.25
6280	NASDAQ	ATRI	Tue, May 2, 2017	517.50	520.05	517.50	518.45
6279	NASDAQ	ATRI	Mon, May 1, 2017	518.96	520.00	517.30	517.45
6278	NASDAQ	ATRI	Fri, Apr 28, 2017	515.90	518.40	510.65	517.10
6277	NASDAQ	ATRI	Thu, Apr 27, 2017	510.10	517.58	510.10	512.20
6276	NASDAQ	ATRI	Wed, Apr 26, 2017	514.10	514.10	511.05	512.85
6275	NASDAQ	ATRI	Tue, Apr 25, 2017	507.60	513.85	507.60	513.85
6274	NASDAQ	ATRI	Mon, Apr 24, 2017	504.26	508.15	504.26	508.00
6273	NASDAQ	ATRI	Fri, Apr 21, 2017	498.35	504.85	493.85	503.40
6272	NASDAQ	ATRI	Thu, Apr 20, 2017	490.00	498.10	490.00	497.00
6271	NASDAQ	ATRI	Wed, Apr 19, 2017	483.35	495.10	478.90	490.05
6270	NASDAQ	ATRI	Tue, Apr 18, 2017	481.70	481.70	477.40	480.30
6269	NASDAQ	ATRI	Mon, Apr 17, 2017	478.10	480.50	477.45	479.30
6268	NASDAQ	ATRI	Thu, Apr 13, 2017	480.00	480.00	469.55	477.80
6267	NASDAQ	ATRI	Wed, Apr 12, 2017	482.60	482.60	476.05	479.45
6266	NASDAQ	ATRI	Tue, Apr 11, 2017	476.20	482.75	475.00	482.75
6265	NASDAQ	ATRI	Mon, Apr 10, 2017	467.45	476.40	467.45	474.70
6264	NASDAQ	ATRI	Fri, Apr 7, 2017	462.98	466.95	460.15	466.95
6263	NASDAQ	ATRI	Thu, Apr 6, 2017	463.70	463.70	459.50	460.35
6262	NASDAQ	ATRI	Wed, Apr 5, 2017	464.20	468.20	460.30	464.20
6261	NASDAQ	ATRI	Tue, Apr 4, 2017	470.40	471.20	463.65	466.60
6260	NASDAQ	ATRI	Mon, Apr 3, 2017	468.25	474.82	468.25	470.60
6259	NASDAQ	ATRI	Fri, Mar 31, 2017	465.95	468.20	465.00	468.20
6258	NASDAQ	ATRI	Thu, Mar 30, 2017	463.70	467.50	462.95	467.50
6257	NASDAQ	ATRI	Wed, Mar 29, 2017	465.90	465.90	462.15	462.50
6256	NASDAQ	ATRI	Tue, Mar 28, 2017	471.10	471.10	465.40	465.40
6255	NASDAQ	ATRI	Mon, Mar 27, 2017	470.15	470.53	467.70	468.65
6254	NASDAQ	ATRI	Fri, Mar 24, 2017	473.00	473.60	468.30	468.30
6253	NASDAQ	ATRI	Thu, Mar 23, 2017	468.50	474.10	468.50	473.55
6252	NASDAQ	ATRI	Wed, Mar 22, 2017	471.50	471.50	466.35	466.65
6251	NASDAQ	ATRI	Tue, Mar 21, 2017	477.25	477.25	470.35	470.35
6250	NASDAQ	ATRI	Mon, Mar 20, 2017	471.75	481.40	471.75	477.85
6249	NASDAQ	ATRI	Fri, Mar 17, 2017	463.05	474.00	463.05	469.60
6248	NASDAQ	ATRI	Thu, Mar 16, 2017	465.80	466.00	464.93	465.10
6247	NASDAQ	ATRI	Wed, Mar 15, 2017	466.90	466.90	464.00	466.00
6246	NASDAQ	ATRI	Tue, Mar 14, 2017	464.00	464.00	459.05	461.30
6245	NASDAQ	ATRI	Mon, Mar 13, 2017	467.00	467.00	463.35	464.05
6244	NASDAQ	ATRI	Fri, Mar 10, 2017	480.00	480.00	465.15	465.15
6243	NASDAQ	ATRI	Thu, Mar 9, 2017	474.40	474.40	469.90	469.90
6242	NASDAQ	ATRI	Wed, Mar 8, 2017	468.60	472.15	468.60	471.95
6241	NASDAQ	ATRI	Tue, Mar 7, 2017	474.30	477.15	460.16	472.60
6240	NASDAQ	ATRI	Mon, Mar 6, 2017	485.00	485.00	478.20	478.70
6239	NASDAQ	ATRI	Fri, Mar 3, 2017	490.75	490.75	489.75	489.75
6238	NASDAQ	ATRI	Thu, Mar 2, 2017	488.35	493.30	488.35	492.80
6237	NASDAQ	ATRI	Wed, Mar 1, 2017	493.00	493.55	490.20	493.35
6236	NASDAQ	ATRI	Tue, Feb 28, 2017	488.05	488.05	485.40	488.05
6235	NASDAQ	ATRI	Mon, Feb 27, 2017	490.00	493.00	486.30	488.85
6234	NASDAQ	ATRI	Fri, Feb 24, 2017	488.00	492.05	483.50	491.00
6233	NASDAQ	ATRI	Thu, Feb 23, 2017	483.00	490.90	482.25	487.45
6232	NASDAQ	ATRI	Wed, Feb 22, 2017	490.05	491.00	477.40	483.00
6231	NASDAQ	ATRI	Tue, Feb 21, 2017	482.90	491.30	482.90	491.30
6230	NASDAQ	ATRI	Fri, Feb 17, 2017	474.70	481.05	474.70	481.05
6229	NASDAQ	ATRI	Thu, Feb 16, 2017	472.60	472.60	468.55	471.00
6228	NASDAQ	ATRI	Wed, Feb 15, 2017	473.80	473.80	473.80	473.80
6227	NASDAQ	ATRI	Tue, Feb 14, 2017	471.55	478.50	470.00	472.95
6226	NASDAQ	ATRI	Mon, Feb 13, 2017	480.70	489.60	480.70	481.35
6225	NASDAQ	ATRI	Fri, Feb 10, 2017	480.00	486.60	480.00	486.60
6224	NASDAQ	ATRI	Thu, Feb 9, 2017	465.70	478.45	465.70	478.45
6223	NASDAQ	ATRI	Wed, Feb 8, 2017	463.75	465.65	463.75	465.65
6222	NASDAQ	ATRI	Tue, Feb 7, 2017	469.01	470.53	465.95	468.70
6221	NASDAQ	ATRI	Mon, Feb 6, 2017	471.40	471.40	466.75	468.25
6220	NASDAQ	ATRI	Fri, Feb 3, 2017	465.00	481.10	465.00	472.40
6219	NASDAQ	ATRI	Thu, Feb 2, 2017	479.75	486.05	466.20	466.20
6218	NASDAQ	ATRI	Wed, Feb 1, 2017	493.85	493.85	480.00	480.70
6217	NASDAQ	ATRI	Tue, Jan 31, 2017	489.90	494.05	488.60	488.60
6216	NASDAQ	ATRI	Mon, Jan 30, 2017	505.00	505.00	496.20	496.20
6215	NASDAQ	ATRI	Fri, Jan 27, 2017	474.00	507.00	474.00	505.35
6214	NASDAQ	ATRI	Thu, Jan 26, 2017	471.35	473.10	468.01	473.10
6213	NASDAQ	ATRI	Wed, Jan 25, 2017	469.85	476.00	466.85	475.00
6212	NASDAQ	ATRI	Tue, Jan 24, 2017	464.00	464.30	457.30	464.30
6211	NASDAQ	ATRI	Mon, Jan 23, 2017	468.65	472.75	465.10	465.10
6210	NASDAQ	ATRI	Fri, Jan 20, 2017	466.05	474.75	466.00	474.30
6209	NASDAQ	ATRI	Thu, Jan 19, 2017	464.25	466.90	461.55	466.55
6208	NASDAQ	ATRI	Wed, Jan 18, 2017	461.05	467.15	459.53	467.15
6207	NASDAQ	ATRI	Tue, Jan 17, 2017	459.00	466.48	456.95	463.20
6206	NASDAQ	ATRI	Fri, Jan 13, 2017	458.00	464.75	454.10	461.00
6205	NASDAQ	ATRI	Thu, Jan 12, 2017	469.00	469.00	460.70	460.70
6204	NASDAQ	ATRI	Wed, Jan 11, 2017	478.00	478.00	469.25	470.20
6203	NASDAQ	ATRI	Tue, Jan 10, 2017	477.05	480.20	474.25	477.20
6202	NASDAQ	ATRI	Mon, Jan 9, 2017	476.70	480.00	476.37	477.00
6201	NASDAQ	ATRI	Fri, Jan 6, 2017	484.30	486.05	479.65	479.75
6200	NASDAQ	ATRI	Thu, Jan 5, 2017	493.15	494.70	480.00	482.80
6199	NASDAQ	ATRI	Wed, Jan 4, 2017	504.15	505.40	489.65	492.60
6198	NASDAQ	ATRI	Tue, Jan 3, 2017	508.90	512.10	500.05	502.40
6197	NASDAQ	ATRI	Fri, Dec 30, 2016	505.95	509.90	505.95	507.20
6196	NASDAQ	ATRI	Thu, Dec 29, 2016	503.16	508.05	503.16	508.05
6195	NASDAQ	ATRI	Wed, Dec 28, 2016	500.11	506.00	500.11	504.20
6194	NASDAQ	ATRI	Tue, Dec 27, 2016	502.05	506.70	502.05	506.20
6193	NASDAQ	ATRI	Fri, Dec 23, 2016	500.00	500.05	495.50	500.05
6192	NASDAQ	ATRI	Thu, Dec 22, 2016	496.00	502.00	495.50	497.60
6191	NASDAQ	ATRI	Wed, Dec 21, 2016	494.20	504.55	494.20	496.60
6190	NASDAQ	ATRI	Tue, Dec 20, 2016	496.50	501.00	493.60	495.40
6189	NASDAQ	ATRI	Mon, Dec 19, 2016	500.00	500.00	492.40	496.90
6188	NASDAQ	ATRI	Fri, Dec 16, 2016	514.70	514.70	496.56	499.05
6187	NASDAQ	ATRI	Thu, Dec 15, 2016	508.00	522.05	508.00	509.80
6186	NASDAQ	ATRI	Wed, Dec 14, 2016	505.00	506.80	501.00	506.80
6185	NASDAQ	ATRI	Tue, Dec 13, 2016	499.95	505.00	499.95	502.80
6184	NASDAQ	ATRI	Mon, Dec 12, 2016	497.50	500.20	495.95	500.20
6183	NASDAQ	ATRI	Fri, Dec 9, 2016	492.50	499.95	492.20	497.40
6182	NASDAQ	ATRI	Thu, Dec 8, 2016	490.70	502.80	490.70	499.25
6181	NASDAQ	ATRI	Wed, Dec 7, 2016	492.05	493.95	488.70	490.50
6180	NASDAQ	ATRI	Tue, Dec 6, 2016	491.70	492.50	489.55	491.15
6179	NASDAQ	ATRI	Mon, Dec 5, 2016	492.20	493.00	489.10	492.70
6178	NASDAQ	ATRI	Fri, Dec 2, 2016	488.30	493.00	483.15	488.40
6177	NASDAQ	ATRI	Thu, Dec 1, 2016	497.55	497.55	488.40	488.40
6176	NASDAQ	ATRI	Wed, Nov 30, 2016	492.00	496.85	487.30	490.60
6175	NASDAQ	ATRI	Tue, Nov 29, 2016	483.30	503.60	483.30	489.65
6174	NASDAQ	ATRI	Mon, Nov 28, 2016	488.30	490.40	488.30	490.40
6173	NASDAQ	ATRI	Fri, Nov 25, 2016	488.15	491.25	488.15	488.65
6172	NASDAQ	ATRI	Wed, Nov 23, 2016	481.40	493.00	481.40	491.00
6171	NASDAQ	ATRI	Tue, Nov 22, 2016	476.45	486.00	476.00	482.00
6170	NASDAQ	ATRI	Mon, Nov 21, 2016	478.05	478.65	470.30	478.65
6169	NASDAQ	ATRI	Fri, Nov 18, 2016	471.65	490.05	471.65	480.00
6168	NASDAQ	ATRI	Thu, Nov 17, 2016	472.80	472.80	470.85	470.85
6167	NASDAQ	ATRI	Wed, Nov 16, 2016	464.63	472.00	464.25	468.30
6166	NASDAQ	ATRI	Tue, Nov 15, 2016	461.95	474.55	461.95	472.15
6165	NASDAQ	ATRI	Mon, Nov 14, 2016	455.00	464.00	450.15	463.80
6164	NASDAQ	ATRI	Fri, Nov 11, 2016	433.95	454.05	433.95	453.40
6163	NASDAQ	ATRI	Thu, Nov 10, 2016	441.70	447.00	436.25	436.25
6162	NASDAQ	ATRI	Wed, Nov 9, 2016	435.40	443.30	435.40	443.30
6161	NASDAQ	ATRI	Tue, Nov 8, 2016	442.00	444.85	437.00	441.30
6160	NASDAQ	ATRI	Mon, Nov 7, 2016	449.25	451.00	445.00	445.00
6159	NASDAQ	ATRI	Fri, Nov 4, 2016	446.35	446.35	440.48	444.50
6158	NASDAQ	ATRI	Thu, Nov 3, 2016	434.25	434.25	430.55	430.55
6157	NASDAQ	ATRI	Wed, Nov 2, 2016	438.80	438.80	430.50	430.50
6156	NASDAQ	ATRI	Tue, Nov 1, 2016	438.85	440.90	434.08	436.60
6155	NASDAQ	ATRI	Mon, Oct 31, 2016	438.05	439.30	437.80	439.15
6154	NASDAQ	ATRI	Fri, Oct 28, 2016	440.06	440.06	426.64	434.78
6153	NASDAQ	ATRI	Thu, Oct 27, 2016	440.00	440.00	431.58	434.35
6152	NASDAQ	ATRI	Wed, Oct 26, 2016	434.30	439.25	428.63	428.63
6151	NASDAQ	ATRI	Tue, Oct 25, 2016	437.24	443.52	437.20	437.20
6150	NASDAQ	ATRI	Mon, Oct 24, 2016	427.98	435.00	426.20	435.00
6149	NASDAQ	ATRI	Fri, Oct 21, 2016	421.12	431.80	418.00	426.99
6148	NASDAQ	ATRI	Thu, Oct 20, 2016	421.00	425.01	420.00	423.19
6147	NASDAQ	ATRI	Wed, Oct 19, 2016	427.79	430.00	422.11	424.00
6146	NASDAQ	ATRI	Tue, Oct 18, 2016	428.03	432.00	422.82	429.72
6145	NASDAQ	ATRI	Mon, Oct 17, 2016	423.90	428.90	419.15	427.48
6144	NASDAQ	ATRI	Fri, Oct 14, 2016	433.00	436.67	424.15	424.15
6143	NASDAQ	ATRI	Thu, Oct 13, 2016	429.99	433.94	429.99	431.04
6142	NASDAQ	ATRI	Wed, Oct 12, 2016	429.90	437.71	429.90	434.00
6141	NASDAQ	ATRI	Tue, Oct 11, 2016	425.61	430.52	425.00	430.27
6140	NASDAQ	ATRI	Mon, Oct 10, 2016	426.00	429.99	423.92	428.88
6139	NASDAQ	ATRI	Fri, Oct 7, 2016	427.63	427.63	423.91	425.04
6138	NASDAQ	ATRI	Thu, Oct 6, 2016	431.00	434.18	428.71	428.71
6137	NASDAQ	ATRI	Wed, Oct 5, 2016	433.13	437.80	433.13	435.00
6136	NASDAQ	ATRI	Tue, Oct 4, 2016	435.00	441.99	435.00	435.11
6135	NASDAQ	ATRI	Mon, Oct 3, 2016	429.00	439.21	421.00	435.07
6134	NASDAQ	ATRI	Fri, Sep 30, 2016	410.80	428.33	410.80	426.60
6133	NASDAQ	ATRI	Thu, Sep 29, 2016	411.21	414.22	405.93	412.58
6132	NASDAQ	ATRI	Wed, Sep 28, 2016	421.00	421.00	410.55	415.52
6131	NASDAQ	ATRI	Tue, Sep 27, 2016	415.11	423.75	415.00	420.21
6130	NASDAQ	ATRI	Mon, Sep 26, 2016	427.30	427.98	416.23	418.50
6129	NASDAQ	ATRI	Fri, Sep 23, 2016	423.64	429.00	423.64	424.02
6128	NASDAQ	ATRI	Thu, Sep 22, 2016	428.00	429.70	422.79	429.70
6127	NASDAQ	ATRI	Wed, Sep 21, 2016	422.00	423.94	415.00	422.47
6126	NASDAQ	ATRI	Tue, Sep 20, 2016	426.50	436.00	419.29	421.41
6125	NASDAQ	ATRI	Mon, Sep 19, 2016	424.30	434.35	424.30	427.08
6124	NASDAQ	ATRI	Fri, Sep 16, 2016	416.65	423.50	414.20	422.90
6123	NASDAQ	ATRI	Thu, Sep 15, 2016	417.06	417.06	393.96	412.40
6122	NASDAQ	ATRI	Wed, Sep 14, 2016	430.00	430.99	415.01	416.00
6121	NASDAQ	ATRI	Tue, Sep 13, 2016	428.98	435.00	427.96	430.43
6120	NASDAQ	ATRI	Mon, Sep 12, 2016	446.39	446.39	423.13	439.10
6119	NASDAQ	ATRI	Fri, Sep 9, 2016	450.00	450.00	440.50	442.56
6118	NASDAQ	ATRI	Thu, Sep 8, 2016	450.02	455.49	450.02	453.32
6117	NASDAQ	ATRI	Wed, Sep 7, 2016	455.00	460.70	455.00	459.93
6116	NASDAQ	ATRI	Tue, Sep 6, 2016	465.00	465.01	460.80	460.80
6115	NASDAQ	ATRI	Fri, Sep 2, 2016	463.99	464.60	462.93	462.93
6114	NASDAQ	ATRI	Thu, Sep 1, 2016	456.00	465.00	456.00	462.01
6113	NASDAQ	ATRI	Wed, Aug 31, 2016	451.01	451.99	445.01	451.91
6112	NASDAQ	ATRI	Tue, Aug 30, 2016	450.00	456.48	446.27	450.00
6111	NASDAQ	ATRI	Mon, Aug 29, 2016	440.00	445.00	437.05	445.00
6110	NASDAQ	ATRI	Fri, Aug 26, 2016	437.00	440.00	434.00	437.68
6109	NASDAQ	ATRI	Thu, Aug 25, 2016	442.33	442.33	438.05	438.05
6108	NASDAQ	ATRI	Wed, Aug 24, 2016	442.64	445.00	442.64	443.00
6107	NASDAQ	ATRI	Tue, Aug 23, 2016	444.00	444.00	439.20	443.77
6106	NASDAQ	ATRI	Mon, Aug 22, 2016	447.22	454.50	444.50	445.00
6105	NASDAQ	ATRI	Fri, Aug 19, 2016	449.09	452.05	446.75	446.75
6104	NASDAQ	ATRI	Thu, Aug 18, 2016	445.33	447.50	445.01	446.01
6103	NASDAQ	ATRI	Wed, Aug 17, 2016	446.55	452.00	440.62	446.28
6102	NASDAQ	ATRI	Tue, Aug 16, 2016	433.01	451.20	433.01	446.57
6101	NASDAQ	ATRI	Mon, Aug 15, 2016	438.00	440.00	426.51	437.40
6100	NASDAQ	ATRI	Fri, Aug 12, 2016	444.98	447.99	434.72	438.31
6099	NASDAQ	ATRI	Thu, Aug 11, 2016	451.03	451.03	447.20	448.00
6098	NASDAQ	ATRI	Wed, Aug 10, 2016	464.30	464.30	447.00	448.50
6097	NASDAQ	ATRI	Tue, Aug 9, 2016	458.90	469.57	458.90	468.84
6096	NASDAQ	ATRI	Mon, Aug 8, 2016	457.97	463.50	453.24	461.78
6095	NASDAQ	ATRI	Fri, Aug 5, 2016	456.68	463.27	456.38	461.97
6094	NASDAQ	ATRI	Thu, Aug 4, 2016	462.09	462.09	456.70	456.70
6093	NASDAQ	ATRI	Wed, Aug 3, 2016	463.50	463.50	455.10	461.77
6092	NASDAQ	ATRI	Tue, Aug 2, 2016	484.50	484.50	454.22	457.51
6091	NASDAQ	ATRI	Mon, Aug 1, 2016	477.00	490.45	453.81	460.03
6090	NASDAQ	ATRI	Fri, Jul 29, 2016	478.00	482.61	476.80	476.80
6089	NASDAQ	ATRI	Thu, Jul 28, 2016	470.01	474.98	469.97	473.94
6088	NASDAQ	ATRI	Wed, Jul 27, 2016	468.82	472.84	468.79	471.20
6087	NASDAQ	ATRI	Tue, Jul 26, 2016	460.92	477.92	460.22	472.40
6086	NASDAQ	ATRI	Mon, Jul 25, 2016	461.04	462.56	456.25	462.56
6085	NASDAQ	ATRI	Fri, Jul 22, 2016	458.20	463.11	457.00	460.87
6084	NASDAQ	ATRI	Thu, Jul 21, 2016	454.00	461.05	451.86	459.12
6083	NASDAQ	ATRI	Wed, Jul 20, 2016	453.49	455.90	448.90	453.10
6082	NASDAQ	ATRI	Tue, Jul 19, 2016	440.12	455.00	440.12	452.00
6081	NASDAQ	ATRI	Mon, Jul 18, 2016	449.18	451.87	443.03	445.10
6080	NASDAQ	ATRI	Fri, Jul 15, 2016	457.88	457.88	449.15	451.84
6079	NASDAQ	ATRI	Thu, Jul 14, 2016	455.25	459.03	451.86	459.03
6078	NASDAQ	ATRI	Wed, Jul 13, 2016	451.00	458.99	445.50	454.86
6077	NASDAQ	ATRI	Tue, Jul 12, 2016	440.10	451.98	440.10	451.98
6076	NASDAQ	ATRI	Mon, Jul 11, 2016	445.00	445.99	445.00	445.99
6075	NASDAQ	ATRI	Fri, Jul 8, 2016	441.93	444.00	441.67	442.04
6074	NASDAQ	ATRI	Thu, Jul 7, 2016	434.59	443.97	434.26	437.77
6073	NASDAQ	ATRI	Wed, Jul 6, 2016	425.00	435.78	420.51	434.79
6072	NASDAQ	ATRI	Tue, Jul 5, 2016	425.01	430.00	425.01	428.41
6071	NASDAQ	ATRI	Fri, Jul 1, 2016	429.37	429.37	427.15	427.15
6070	NASDAQ	ATRI	Thu, Jun 30, 2016	433.12	434.42	427.86	427.86
6069	NASDAQ	ATRI	Wed, Jun 29, 2016	437.00	437.70	432.38	432.64
6068	NASDAQ	ATRI	Tue, Jun 28, 2016	428.00	442.50	417.75	435.51
6067	NASDAQ	ATRI	Mon, Jun 27, 2016	427.50	435.00	427.40	433.52
6066	NASDAQ	ATRI	Fri, Jun 24, 2016	425.04	429.10	424.99	425.86
6065	NASDAQ	ATRI	Thu, Jun 23, 2016	426.00	433.00	426.00	430.00
6064	NASDAQ	ATRI	Wed, Jun 22, 2016	424.52	426.10	422.00	425.57
6063	NASDAQ	ATRI	Tue, Jun 21, 2016	428.00	430.94	428.00	428.98
6062	NASDAQ	ATRI	Mon, Jun 20, 2016	425.11	429.00	423.00	428.93
6061	NASDAQ	ATRI	Fri, Jun 17, 2016	429.34	429.34	420.95	426.39
6060	NASDAQ	ATRI	Thu, Jun 16, 2016	424.50	431.40	424.00	426.60
6059	NASDAQ	ATRI	Wed, Jun 15, 2016	416.10	425.16	416.10	424.50
6058	NASDAQ	ATRI	Tue, Jun 14, 2016	421.03	424.95	414.85	414.85
6057	NASDAQ	ATRI	Mon, Jun 13, 2016	419.77	424.00	417.50	422.00
6056	NASDAQ	ATRI	Fri, Jun 10, 2016	412.95	416.89	409.13	414.70
6055	NASDAQ	ATRI	Thu, Jun 9, 2016	408.00	416.45	408.00	413.15
6054	NASDAQ	ATRI	Wed, Jun 8, 2016	401.99	407.70	400.00	406.50
6053	NASDAQ	ATRI	Tue, Jun 7, 2016	402.42	404.00	401.52	401.52
6052	NASDAQ	ATRI	Mon, Jun 6, 2016	400.56	404.25	397.44	403.95
6051	NASDAQ	ATRI	Fri, Jun 3, 2016	397.34	401.00	395.00	399.45
6050	NASDAQ	ATRI	Thu, Jun 2, 2016	395.01	397.00	395.01	397.00
6049	NASDAQ	ATRI	Wed, Jun 1, 2016	395.00	397.98	393.01	395.53
6048	NASDAQ	ATRI	Tue, May 31, 2016	389.00	392.73	389.00	392.73
6047	NASDAQ	ATRI	Fri, May 27, 2016	394.35	394.35	392.00	393.95
6046	NASDAQ	ATRI	Thu, May 26, 2016	394.25	394.25	385.00	392.08
6045	NASDAQ	ATRI	Wed, May 25, 2016	399.07	399.07	399.07	399.07
6044	NASDAQ	ATRI	Tue, May 24, 2016	396.20	399.51	395.80	399.51
6043	NASDAQ	ATRI	Mon, May 23, 2016	396.08	396.08	390.11	394.93
6042	NASDAQ	ATRI	Fri, May 20, 2016	395.30	399.87	394.97	397.85
6041	NASDAQ	ATRI	Thu, May 19, 2016	394.70	394.70	394.70	394.70
6040	NASDAQ	ATRI	Wed, May 18, 2016	395.15	395.15	395.00	395.13
6039	NASDAQ	ATRI	Tue, May 17, 2016	403.10	406.01	400.00	400.62
6038	NASDAQ	ATRI	Mon, May 16, 2016	402.75	403.00	402.75	403.00
6037	NASDAQ	ATRI	Fri, May 13, 2016	395.19	401.94	395.19	401.92
6036	NASDAQ	ATRI	Thu, May 12, 2016	400.99	406.31	400.99	401.85
6035	NASDAQ	ATRI	Wed, May 11, 2016	400.59	401.61	397.97	398.47
6034	NASDAQ	ATRI	Tue, May 10, 2016	407.00	408.48	405.25	405.36
6033	NASDAQ	ATRI	Mon, May 9, 2016	408.94	408.94	404.55	407.49
6032	NASDAQ	ATRI	Fri, May 6, 2016	409.97	409.97	409.97	409.97
6031	NASDAQ	ATRI	Thu, May 5, 2016	403.05	406.68	400.43	404.00
6030	NASDAQ	ATRI	Wed, May 4, 2016	408.78	408.78	399.57	403.83
6029	NASDAQ	ATRI	Tue, May 3, 2016	400.31	400.50	395.61	398.19
6028	NASDAQ	ATRI	Mon, May 2, 2016	397.61	399.69	394.19	398.04
6027	NASDAQ	ATRI	Fri, Apr 29, 2016	397.99	399.21	395.18	397.30
6026	NASDAQ	ATRI	Thu, Apr 28, 2016	398.98	402.51	398.98	401.87
6025	NASDAQ	ATRI	Wed, Apr 27, 2016	398.74	402.26	397.50	401.76
6024	NASDAQ	ATRI	Tue, Apr 26, 2016	397.05	399.00	396.00	398.59
6023	NASDAQ	ATRI	Mon, Apr 25, 2016	402.01	403.00	395.80	399.48
6022	NASDAQ	ATRI	Fri, Apr 22, 2016	402.99	403.81	401.27	402.51
6021	NASDAQ	ATRI	Thu, Apr 21, 2016	404.77	406.00	400.02	400.02
6020	NASDAQ	ATRI	Wed, Apr 20, 2016	402.10	405.87	400.21	402.02
6019	NASDAQ	ATRI	Tue, Apr 19, 2016	400.30	404.70	395.01	400.03
6018	NASDAQ	ATRI	Mon, Apr 18, 2016	400.00	401.64	398.12	398.12
6017	NASDAQ	ATRI	Fri, Apr 15, 2016	399.72	399.72	397.48	398.60
6016	NASDAQ	ATRI	Thu, Apr 14, 2016	397.50	399.00	397.00	398.23
6015	NASDAQ	ATRI	Wed, Apr 13, 2016	397.00	399.00	395.08	398.35
6014	NASDAQ	ATRI	Tue, Apr 12, 2016	396.21	398.94	395.20	396.13
6013	NASDAQ	ATRI	Mon, Apr 11, 2016	397.51	397.51	393.72	397.00
6012	NASDAQ	ATRI	Fri, Apr 8, 2016	397.10	401.50	395.94	397.56
6011	NASDAQ	ATRI	Thu, Apr 7, 2016	396.01	397.00	393.01	397.00
6010	NASDAQ	ATRI	Wed, Apr 6, 2016	397.22	397.45	391.02	396.90
6009	NASDAQ	ATRI	Tue, Apr 5, 2016	398.92	398.92	398.92	398.22
6008	NASDAQ	ATRI	Mon, Apr 4, 2016	392.25	399.07	392.25	398.92
6007	NASDAQ	ATRI	Fri, Apr 1, 2016	395.36	395.55	391.00	395.55
6006	NASDAQ	ATRI	Thu, Mar 31, 2016	391.00	395.36	390.91	390.92
6005	NASDAQ	ATRI	Wed, Mar 30, 2016	383.22	391.25	383.22	391.25
6004	NASDAQ	ATRI	Tue, Mar 29, 2016	391.41	391.41	391.41	391.41
6003	NASDAQ	ATRI	Mon, Mar 28, 2016	382.23	387.72	382.23	386.94
6002	NASDAQ	ATRI	Thu, Mar 24, 2016	373.47	373.47	373.47	382.00
6001	NASDAQ	ATRI	Wed, Mar 23, 2016	375.00	382.50	373.11	379.01
6000	NASDAQ	ATRI	Tue, Mar 22, 2016	380.01	380.01	375.01	379.00
5999	NASDAQ	ATRI	Mon, Mar 21, 2016	390.82	390.82	384.70	384.70
5998	NASDAQ	ATRI	Fri, Mar 18, 2016	392.49	396.48	388.69	389.54
5997	NASDAQ	ATRI	Thu, Mar 17, 2016	386.58	393.00	386.58	390.52
5996	NASDAQ	ATRI	Wed, Mar 16, 2016	388.35	394.00	387.73	387.73
5995	NASDAQ	ATRI	Tue, Mar 15, 2016	390.52	390.52	390.52	390.72
5994	NASDAQ	ATRI	Mon, Mar 14, 2016	394.01	394.01	394.01	394.01
5993	NASDAQ	ATRI	Fri, Mar 11, 2016	383.40	385.90	379.83	383.63
5992	NASDAQ	ATRI	Thu, Mar 10, 2016	380.60	385.90	375.00	381.42
5991	NASDAQ	ATRI	Wed, Mar 9, 2016	377.18	377.18	377.18	381.42
5990	NASDAQ	ATRI	Tue, Mar 8, 2016	384.72	384.72	377.18	383.80
5989	NASDAQ	ATRI	Mon, Mar 7, 2016	378.42	384.20	378.27	383.80
5988	NASDAQ	ATRI	Fri, Mar 4, 2016	376.50	376.50	376.50	378.90
5987	NASDAQ	ATRI	Thu, Mar 3, 2016	370.30	370.30	370.30	376.50
5986	NASDAQ	ATRI	Wed, Mar 2, 2016	370.71	370.71	368.13	373.42
5985	NASDAQ	ATRI	Tue, Mar 1, 2016	375.75	375.75	375.75	373.42
5984	NASDAQ	ATRI	Mon, Feb 29, 2016	376.40	380.00	371.62	375.75
5983	NASDAQ	ATRI	Fri, Feb 26, 2016	383.99	383.99	383.99	380.79
5982	NASDAQ	ATRI	Thu, Feb 25, 2016	378.60	387.72	377.55	385.00
5981	NASDAQ	ATRI	Wed, Feb 24, 2016	360.90	390.89	358.03	377.01
5980	NASDAQ	ATRI	Tue, Feb 23, 2016	374.87	378.00	367.03	367.25
5979	NASDAQ	ATRI	Mon, Feb 22, 2016	386.69	391.11	372.49	389.00
5978	NASDAQ	ATRI	Fri, Feb 19, 2016	397.09	397.09	380.20	388.70
5977	NASDAQ	ATRI	Thu, Feb 18, 2016	401.32	403.03	396.00	396.00
5976	NASDAQ	ATRI	Wed, Feb 17, 2016	415.00	415.00	384.50	408.00
5975	NASDAQ	ATRI	Tue, Feb 16, 2016	396.00	403.71	394.23	400.59
5974	NASDAQ	ATRI	Fri, Feb 12, 2016	390.00	392.00	390.00	392.00
5973	NASDAQ	ATRI	Thu, Feb 11, 2016	377.76	390.00	369.42	384.40
5972	NASDAQ	ATRI	Wed, Feb 10, 2016	374.76	386.58	365.00	382.21
5971	NASDAQ	ATRI	Tue, Feb 9, 2016	370.53	370.90	357.18	370.00
5970	NASDAQ	ATRI	Mon, Feb 8, 2016	365.00	378.97	365.00	366.00
5969	NASDAQ	ATRI	Fri, Feb 5, 2016	378.32	387.82	365.10	367.40
5968	NASDAQ	ATRI	Thu, Feb 4, 2016	376.78	378.55	376.78	378.34
5967	NASDAQ	ATRI	Wed, Feb 3, 2016	383.85	385.60	367.50	377.81
5966	NASDAQ	ATRI	Tue, Feb 2, 2016	374.12	384.00	362.87	381.27
5965	NASDAQ	ATRI	Mon, Feb 1, 2016	381.28	393.36	381.02	381.02
5964	NASDAQ	ATRI	Fri, Jan 29, 2016	372.17	379.91	365.13	375.52
5963	NASDAQ	ATRI	Thu, Jan 28, 2016	368.00	374.99	367.09	372.48
5962	NASDAQ	ATRI	Wed, Jan 27, 2016	363.98	372.93	358.48	367.91
5961	NASDAQ	ATRI	Tue, Jan 26, 2016	368.00	368.00	360.20	363.70
5960	NASDAQ	ATRI	Mon, Jan 25, 2016	365.00	368.97	365.00	365.01
5959	NASDAQ	ATRI	Fri, Jan 22, 2016	367.34	371.60	367.34	371.60
5958	NASDAQ	ATRI	Thu, Jan 21, 2016	369.78	369.78	363.77	367.30
5957	NASDAQ	ATRI	Wed, Jan 20, 2016	357.14	367.00	356.55	367.00
5956	NASDAQ	ATRI	Tue, Jan 19, 2016	357.60	363.98	357.60	361.99
5955	NASDAQ	ATRI	Fri, Jan 15, 2016	358.90	365.85	356.04	356.45
5954	NASDAQ	ATRI	Thu, Jan 14, 2016	374.90	374.90	350.00	360.30
5953	NASDAQ	ATRI	Wed, Jan 13, 2016	375.00	375.00	366.00	366.00
5952	NASDAQ	ATRI	Tue, Jan 12, 2016	373.40	374.00	371.01	372.98
5951	NASDAQ	ATRI	Mon, Jan 11, 2016	361.11	375.00	359.69	372.78
5950	NASDAQ	ATRI	Fri, Jan 8, 2016	377.67	377.67	358.73	360.50
5949	NASDAQ	ATRI	Thu, Jan 7, 2016	354.51	371.00	354.51	371.00
5948	NASDAQ	ATRI	Wed, Jan 6, 2016	366.75	384.13	362.95	362.95
5947	NASDAQ	ATRI	Tue, Jan 5, 2016	371.00	371.01	366.63	368.06
5946	NASDAQ	ATRI	Mon, Jan 4, 2016	374.05	374.05	374.05	374.05
5945	NASDAQ	ATRI	Thu, Dec 31, 2015	383.05	383.05	381.20	381.20
5944	NASDAQ	ATRI	Wed, Dec 30, 2015	383.04	383.05	376.29	382.50
5943	NASDAQ	ATRI	Tue, Dec 29, 2015	372.85	385.90	372.85	385.90
5942	NASDAQ	ATRI	Mon, Dec 28, 2015	385.40	394.00	385.00	385.00
5941	NASDAQ	ATRI	Thu, Dec 24, 2015	389.10	389.84	386.00	388.10
5940	NASDAQ	ATRI	Wed, Dec 23, 2015	385.30	392.48	385.30	390.00
5939	NASDAQ	ATRI	Tue, Dec 22, 2015	389.00	390.98	386.00	390.98
5938	NASDAQ	ATRI	Mon, Dec 21, 2015	383.99	383.99	383.99	383.99
5937	NASDAQ	ATRI	Fri, Dec 18, 2015	384.00	384.04	372.89	384.00
5936	NASDAQ	ATRI	Thu, Dec 17, 2015	390.25	391.00	385.17	385.51
5935	NASDAQ	ATRI	Wed, Dec 16, 2015	393.65	393.65	387.32	388.61
5934	NASDAQ	ATRI	Tue, Dec 15, 2015	385.45	390.22	385.45	387.50
5933	NASDAQ	ATRI	Mon, Dec 14, 2015	385.01	392.33	381.10	385.87
5932	NASDAQ	ATRI	Fri, Dec 11, 2015	390.05	392.26	385.00	388.60
5931	NASDAQ	ATRI	Thu, Dec 10, 2015	392.00	392.01	388.55	391.81
5930	NASDAQ	ATRI	Wed, Dec 9, 2015	387.35	392.00	387.35	392.00
5929	NASDAQ	ATRI	Tue, Dec 8, 2015	399.38	399.38	393.09	393.09
5928	NASDAQ	ATRI	Mon, Dec 7, 2015	397.30	397.30	393.00	396.00
5927	NASDAQ	ATRI	Fri, Dec 4, 2015	394.57	402.37	394.57	401.10
5926	NASDAQ	ATRI	Thu, Dec 3, 2015	410.00	411.99	394.02	397.71
5925	NASDAQ	ATRI	Wed, Dec 2, 2015	416.50	420.89	408.26	410.30
5924	NASDAQ	ATRI	Tue, Dec 1, 2015	423.00	423.00	414.23	416.50
5923	NASDAQ	ATRI	Mon, Nov 30, 2015	394.13	420.90	394.13	420.90
5922	NASDAQ	ATRI	Fri, Nov 27, 2015	407.00	407.00	397.40	404.52
5921	NASDAQ	ATRI	Wed, Nov 25, 2015	398.00	405.80	395.64	405.80
5920	NASDAQ	ATRI	Tue, Nov 24, 2015	389.59	398.83	389.59	398.83
5919	NASDAQ	ATRI	Mon, Nov 23, 2015	390.00	393.18	384.05	391.45
5918	NASDAQ	ATRI	Fri, Nov 20, 2015	398.09	407.01	369.91	390.24
5917	NASDAQ	ATRI	Thu, Nov 19, 2015	395.01	400.00	393.33	395.00
5916	NASDAQ	ATRI	Wed, Nov 18, 2015	390.62	399.98	390.62	399.00
5915	NASDAQ	ATRI	Tue, Nov 17, 2015	386.60	391.80	386.60	389.80
5914	NASDAQ	ATRI	Mon, Nov 16, 2015	382.53	392.00	382.50	389.64
5913	NASDAQ	ATRI	Fri, Nov 13, 2015	388.35	390.11	384.48	386.70
5912	NASDAQ	ATRI	Thu, Nov 12, 2015	388.00	390.99	379.10	384.82
5911	NASDAQ	ATRI	Wed, Nov 11, 2015	382.55	393.75	382.07	390.80
5910	NASDAQ	ATRI	Tue, Nov 10, 2015	373.35	387.03	370.75	384.89
5909	NASDAQ	ATRI	Mon, Nov 9, 2015	368.40	381.84	368.40	373.32
5908	NASDAQ	ATRI	Fri, Nov 6, 2015	362.87	372.52	362.87	372.52
5907	NASDAQ	ATRI	Thu, Nov 5, 2015	370.50	370.50	368.00	368.00
5906	NASDAQ	ATRI	Wed, Nov 4, 2015	369.92	370.65	365.60	368.69
5905	NASDAQ	ATRI	Tue, Nov 3, 2015	372.90	372.90	366.08	369.40
5904	NASDAQ	ATRI	Mon, Nov 2, 2015	370.89	373.20	365.39	373.20
5903	NASDAQ	ATRI	Fri, Oct 30, 2015	373.00	373.00	366.99	369.00
5902	NASDAQ	ATRI	Thu, Oct 29, 2015	369.00	379.85	360.62	368.67
5901	NASDAQ	ATRI	Wed, Oct 28, 2015	373.00	373.00	365.64	369.77
5900	NASDAQ	ATRI	Tue, Oct 27, 2015	373.00	374.95	369.80	369.96
5899	NASDAQ	ATRI	Mon, Oct 26, 2015	372.00	378.22	370.45	371.94
5898	NASDAQ	ATRI	Fri, Oct 23, 2015	372.65	375.10	366.99	373.55
5897	NASDAQ	ATRI	Thu, Oct 22, 2015	373.20	373.20	362.95	367.28
5896	NASDAQ	ATRI	Wed, Oct 21, 2015	366.60	366.60	366.60	366.60
5895	NASDAQ	ATRI	Tue, Oct 20, 2015	367.06	368.21	367.06	368.00
5894	NASDAQ	ATRI	Mon, Oct 19, 2015	365.98	371.14	361.98	371.14
5893	NASDAQ	ATRI	Fri, Oct 16, 2015	363.88	374.45	363.88	366.31
5892	NASDAQ	ATRI	Thu, Oct 15, 2015	358.40	362.99	358.40	362.99
5891	NASDAQ	ATRI	Wed, Oct 14, 2015	362.79	369.00	357.14	357.14
5890	NASDAQ	ATRI	Tue, Oct 13, 2015	366.30	366.30	361.45	363.21
5889	NASDAQ	ATRI	Mon, Oct 12, 2015	363.04	367.90	363.04	366.85
5888	NASDAQ	ATRI	Fri, Oct 9, 2015	360.00	367.64	360.00	362.01
5887	NASDAQ	ATRI	Thu, Oct 8, 2015	348.00	358.00	348.00	358.00
5886	NASDAQ	ATRI	Wed, Oct 7, 2015	365.01	365.01	343.50	349.39
5885	NASDAQ	ATRI	Tue, Oct 6, 2015	359.10	367.86	359.10	361.44
5884	NASDAQ	ATRI	Mon, Oct 5, 2015	375.00	375.00	363.36	370.81
5883	NASDAQ	ATRI	Fri, Oct 2, 2015	368.65	375.00	368.00	370.77
5882	NASDAQ	ATRI	Thu, Oct 1, 2015	379.40	379.40	369.00	370.61
5881	NASDAQ	ATRI	Wed, Sep 30, 2015	372.00	378.00	370.57	374.96
5880	NASDAQ	ATRI	Tue, Sep 29, 2015	371.53	371.87	368.31	370.60
5879	NASDAQ	ATRI	Mon, Sep 28, 2015	375.23	381.50	370.00	373.40
5878	NASDAQ	ATRI	Fri, Sep 25, 2015	388.29	388.29	374.88	376.45
5877	NASDAQ	ATRI	Thu, Sep 24, 2015	381.50	397.62	378.45	386.80
5876	NASDAQ	ATRI	Wed, Sep 23, 2015	383.16	395.16	378.25	383.40
5875	NASDAQ	ATRI	Tue, Sep 22, 2015	383.50	386.83	383.50	386.02
5874	NASDAQ	ATRI	Mon, Sep 21, 2015	380.99	394.98	377.77	385.01
5873	NASDAQ	ATRI	Fri, Sep 18, 2015	383.00	392.60	370.00	377.48
5872	NASDAQ	ATRI	Thu, Sep 17, 2015	381.20	395.81	379.50	384.74
5871	NASDAQ	ATRI	Wed, Sep 16, 2015	382.72	390.35	377.49	379.96
5870	NASDAQ	ATRI	Tue, Sep 15, 2015	382.63	387.00	382.63	384.90
5869	NASDAQ	ATRI	Mon, Sep 14, 2015	383.00	384.15	382.99	384.15
5868	NASDAQ	ATRI	Fri, Sep 11, 2015	383.00	388.18	383.00	388.18
5867	NASDAQ	ATRI	Thu, Sep 10, 2015	382.00	386.54	382.00	383.52
5866	NASDAQ	ATRI	Wed, Sep 9, 2015	378.30	393.45	378.30	380.82
5865	NASDAQ	ATRI	Tue, Sep 8, 2015	375.40	389.33	374.35	380.37
5864	NASDAQ	ATRI	Fri, Sep 4, 2015	371.95	374.90	366.60	372.60
5863	NASDAQ	ATRI	Thu, Sep 3, 2015	382.90	399.94	371.70	373.35
5862	NASDAQ	ATRI	Wed, Sep 2, 2015	382.94	386.81	380.27	382.99
5861	NASDAQ	ATRI	Tue, Sep 1, 2015	386.90	390.97	377.00	378.12
5860	NASDAQ	ATRI	Mon, Aug 31, 2015	393.71	393.71	378.89	387.00
5859	NASDAQ	ATRI	Fri, Aug 28, 2015	386.30	394.47	384.01	390.57
5858	NASDAQ	ATRI	Thu, Aug 27, 2015	377.65	401.33	377.65	388.69
5857	NASDAQ	ATRI	Wed, Aug 26, 2015	370.89	380.37	368.00	380.37
5856	NASDAQ	ATRI	Tue, Aug 25, 2015	378.90	381.00	365.00	367.90
5855	NASDAQ	ATRI	Mon, Aug 24, 2015	371.31	383.50	371.31	374.99
5854	NASDAQ	ATRI	Fri, Aug 21, 2015	391.00	391.00	388.75	389.50
5853	NASDAQ	ATRI	Thu, Aug 20, 2015	398.77	398.77	394.42	394.45
5852	NASDAQ	ATRI	Wed, Aug 19, 2015	394.63	398.67	394.63	397.23
5851	NASDAQ	ATRI	Tue, Aug 18, 2015	396.60	401.91	394.24	399.88
5850	NASDAQ	ATRI	Mon, Aug 17, 2015	401.10	401.17	397.02	399.88
5849	NASDAQ	ATRI	Fri, Aug 14, 2015	401.20	409.43	401.00	407.00
5848	NASDAQ	ATRI	Thu, Aug 13, 2015	401.28	406.50	400.13	402.01
5847	NASDAQ	ATRI	Wed, Aug 12, 2015	398.64	428.85	396.00	406.43
5846	NASDAQ	ATRI	Tue, Aug 11, 2015	397.89	399.50	390.00	396.70
5845	NASDAQ	ATRI	Mon, Aug 10, 2015	391.52	398.38	391.52	398.38
5844	NASDAQ	ATRI	Fri, Aug 7, 2015	393.99	395.80	391.01	391.01
5843	NASDAQ	ATRI	Thu, Aug 6, 2015	397.00	405.00	395.00	396.44
5842	NASDAQ	ATRI	Wed, Aug 5, 2015	395.50	410.00	395.50	400.70
5841	NASDAQ	ATRI	Tue, Aug 4, 2015	398.96	405.00	395.00	398.00
5840	NASDAQ	ATRI	Mon, Aug 3, 2015	404.85	404.85	397.50	398.01
5839	NASDAQ	ATRI	Fri, Jul 31, 2015	404.20	410.00	387.18	403.90
5838	NASDAQ	ATRI	Thu, Jul 30, 2015	392.23	404.80	391.11	404.78
5837	NASDAQ	ATRI	Wed, Jul 29, 2015	389.10	401.02	389.10	395.00
5836	NASDAQ	ATRI	Tue, Jul 28, 2015	390.99	402.05	390.99	393.91
5835	NASDAQ	ATRI	Mon, Jul 27, 2015	394.01	395.74	388.87	392.21
5834	NASDAQ	ATRI	Fri, Jul 24, 2015	395.00	396.75	391.11	391.11
5833	NASDAQ	ATRI	Thu, Jul 23, 2015	395.20	404.90	393.80	398.10
5832	NASDAQ	ATRI	Wed, Jul 22, 2015	394.00	403.25	385.23	399.36
5831	NASDAQ	ATRI	Tue, Jul 21, 2015	387.30	396.09	387.00	393.50
5830	NASDAQ	ATRI	Mon, Jul 20, 2015	388.47	388.47	387.32	387.32
5829	NASDAQ	ATRI	Fri, Jul 17, 2015	383.84	400.00	383.84	390.00
5828	NASDAQ	ATRI	Thu, Jul 16, 2015	380.99	395.76	375.01	388.09
5827	NASDAQ	ATRI	Wed, Jul 15, 2015	377.99	382.00	376.00	382.00
5826	NASDAQ	ATRI	Tue, Jul 14, 2015	382.01	382.01	367.75	375.79
5825	NASDAQ	ATRI	Mon, Jul 13, 2015	380.60	385.61	377.90	379.03
5824	NASDAQ	ATRI	Fri, Jul 10, 2015	384.10	387.35	376.00	379.90
5823	NASDAQ	ATRI	Thu, Jul 9, 2015	395.59	393.15	380.50	383.00
5822	NASDAQ	ATRI	Wed, Jul 8, 2015	391.69	393.00	380.00	392.03
5821	NASDAQ	ATRI	Tue, Jul 7, 2015	392.10	391.50	385.50	390.20
5820	NASDAQ	ATRI	Mon, Jul 6, 2015	387.00	390.50	384.22	387.54
5819	NASDAQ	ATRI	Thu, Jul 2, 2015	391.31	391.00	388.42	388.42
5818	NASDAQ	ATRI	Wed, Jul 1, 2015	391.20	394.49	388.05	391.11
5817	NASDAQ	ATRI	Tue, Jun 30, 2015	384.98	395.00	382.35	392.31
5816	NASDAQ	ATRI	Mon, Jun 29, 2015	387.50	391.14	378.50	381.39
5815	NASDAQ	ATRI	Fri, Jun 26, 2015	382.40	392.04	382.90	389.46
5814	NASDAQ	ATRI	Thu, Jun 25, 2015	378.21	385.15	378.15	382.20
5813	NASDAQ	ATRI	Wed, Jun 24, 2015	382.09	382.09	374.50	380.00
5812	NASDAQ	ATRI	Tue, Jun 23, 2015	391.75	389.22	376.18	385.99
5811	NASDAQ	ATRI	Mon, Jun 22, 2015	395.40	395.50	389.00	391.00
5810	NASDAQ	ATRI	Fri, Jun 19, 2015	390.10	394.07	385.00	393.65
5809	NASDAQ	ATRI	Thu, Jun 18, 2015	386.82	396.00	373.00	388.01
5808	NASDAQ	ATRI	Wed, Jun 17, 2015	390.20	392.00	372.00	387.25
5807	NASDAQ	ATRI	Tue, Jun 16, 2015	388.88	395.97	385.00	388.39
5806	NASDAQ	ATRI	Mon, Jun 15, 2015	382.30	390.00	356.00	388.88
5805	NASDAQ	ATRI	Fri, Jun 12, 2015	382.99	385.39	377.21	385.39
5804	NASDAQ	ATRI	Thu, Jun 11, 2015	385.16	387.49	380.80	382.51
5803	NASDAQ	ATRI	Wed, Jun 10, 2015	381.70	389.99	383.06	386.70
5802	NASDAQ	ATRI	Tue, Jun 9, 2015	381.32	385.99	375.72	382.60
5801	NASDAQ	ATRI	Mon, Jun 8, 2015	394.00	394.00	383.97	383.98
5800	NASDAQ	ATRI	Fri, Jun 5, 2015	391.50	395.00	390.53	394.01
5799	NASDAQ	ATRI	Thu, Jun 4, 2015	387.97	391.99	385.81	387.87
5798	NASDAQ	ATRI	Wed, Jun 3, 2015	379.00	392.99	377.49	390.90
5797	NASDAQ	ATRI	Tue, Jun 2, 2015	367.52	385.00	371.28	378.41
5796	NASDAQ	ATRI	Mon, Jun 1, 2015	378.01	379.51	368.04	370.74
5795	NASDAQ	ATRI	Fri, May 29, 2015	382.87	382.00	372.47	374.88
5794	NASDAQ	ATRI	Thu, May 28, 2015	381.22	383.05	380.71	381.97
5793	NASDAQ	ATRI	Wed, May 27, 2015	381.95	384.60	381.00	382.99
5792	NASDAQ	ATRI	Tue, May 26, 2015	379.22	382.99	370.02	378.14
5791	NASDAQ	ATRI	Fri, May 22, 2015	379.00	388.00	379.00	380.00
5790	NASDAQ	ATRI	Thu, May 21, 2015	369.48	380.91	366.33	380.13
5789	NASDAQ	ATRI	Wed, May 20, 2015	350.02	371.89	350.05	369.27
5788	NASDAQ	ATRI	Tue, May 19, 2015	347.98	353.00	345.80	350.88
5787	NASDAQ	ATRI	Mon, May 18, 2015	344.02	351.98	342.49	346.79
5786	NASDAQ	ATRI	Fri, May 15, 2015	344.89	348.09	342.60	345.31
5785	NASDAQ	ATRI	Thu, May 14, 2015	339.22	344.19	338.80	344.19
5784	NASDAQ	ATRI	Wed, May 13, 2015	340.00	340.69	337.80	340.69
5783	NASDAQ	ATRI	Tue, May 12, 2015	337.35	342.70	334.10	340.41
5782	NASDAQ	ATRI	Mon, May 11, 2015	333.50	341.99	332.50	338.89
5781	NASDAQ	ATRI	Fri, May 8, 2015	330.57	331.00	331.00	331.00
5780	NASDAQ	ATRI	Thu, May 7, 2015	325.66	327.00	327.00	327.00
5779	NASDAQ	ATRI	Wed, May 6, 2015	329.46	332.00	325.00	327.17
5778	NASDAQ	ATRI	Tue, May 5, 2015	324.45	332.00	320.02	331.24
5777	NASDAQ	ATRI	Mon, May 4, 2015	328.72	328.00	320.00	328.00
5776	NASDAQ	ATRI	Fri, May 1, 2015	325.00	328.65	321.60	326.80
5775	NASDAQ	ATRI	Thu, Apr 30, 2015	331.10	329.40	324.85	324.85
5774	NASDAQ	ATRI	Wed, Apr 29, 2015	327.53	332.00	325.11	331.42
5773	NASDAQ	ATRI	Tue, Apr 28, 2015	327.80	330.43	325.03	326.20
5772	NASDAQ	ATRI	Mon, Apr 27, 2015	330.79	340.00	325.07	326.80
5771	NASDAQ	ATRI	Fri, Apr 24, 2015	328.92	331.98	324.01	327.89
5770	NASDAQ	ATRI	Thu, Apr 23, 2015	327.10	329.25	325.60	326.90
5769	NASDAQ	ATRI	Wed, Apr 22, 2015	332.06	331.51	316.25	328.43
5768	NASDAQ	ATRI	Tue, Apr 21, 2015	336.11	344.64	332.00	334.24
5767	NASDAQ	ATRI	Mon, Apr 20, 2015	334.21	340.63	325.50	337.60
5766	NASDAQ	ATRI	Fri, Apr 17, 2015	335.61	336.33	330.00	332.30
5765	NASDAQ	ATRI	Thu, Apr 16, 2015	330.12	348.07	326.99	339.70
5764	NASDAQ	ATRI	Wed, Apr 15, 2015	320.00	332.00	319.50	332.00
5763	NASDAQ	ATRI	Tue, Apr 14, 2015	326.48	326.48	319.03	320.15
5762	NASDAQ	ATRI	Mon, Apr 13, 2015	335.00	333.22	323.95	326.65
5761	NASDAQ	ATRI	Fri, Apr 10, 2015	335.41	337.67	333.39	334.00
5760	NASDAQ	ATRI	Thu, Apr 9, 2015	340.50	344.67	334.54	335.40
5759	NASDAQ	ATRI	Wed, Apr 8, 2015	335.54	349.88	335.60	340.25
5758	NASDAQ	ATRI	Tue, Apr 7, 2015	344.63	349.95	337.89	337.89
5757	NASDAQ	ATRI	Mon, Apr 6, 2015	335.80	347.81	343.45	347.38
5756	NASDAQ	ATRI	Thu, Apr 2, 2015	346.65	344.30	334.40	337.99
5755	NASDAQ	ATRI	Wed, Apr 1, 2015	342.04	354.55	342.04	344.98
5754	NASDAQ	ATRI	Tue, Mar 31, 2015	334.89	347.00	331.52	345.51
5753	NASDAQ	ATRI	Mon, Mar 30, 2015	341.41	355.62	328.88	335.49
5752	NASDAQ	ATRI	Fri, Mar 27, 2015	332.19	341.51	332.19	340.54
5751	NASDAQ	ATRI	Thu, Mar 26, 2015	333.61	336.80	333.76	336.19
5750	NASDAQ	ATRI	Wed, Mar 25, 2015	342.52	342.52	328.00	333.36
5749	NASDAQ	ATRI	Tue, Mar 24, 2015	338.88	345.75	336.65	344.60
5748	NASDAQ	ATRI	Mon, Mar 23, 2015	336.00	343.67	334.99	339.61
5747	NASDAQ	ATRI	Fri, Mar 20, 2015	333.61	338.25	330.00	337.92
5746	NASDAQ	ATRI	Thu, Mar 19, 2015	328.00	334.67	326.45	329.61
5745	NASDAQ	ATRI	Wed, Mar 18, 2015	328.00	332.88	326.30	328.81
5744	NASDAQ	ATRI	Tue, Mar 17, 2015	336.95	335.25	333.05	333.05
5743	NASDAQ	ATRI	Mon, Mar 16, 2015	330.16	335.45	327.20	335.45
5742	NASDAQ	ATRI	Fri, Mar 13, 2015	332.30	333.50	325.05	330.14
5741	NASDAQ	ATRI	Thu, Mar 12, 2015	329.51	332.26	329.08	332.26
5740	NASDAQ	ATRI	Wed, Mar 11, 2015	330.43	331.00	325.01	326.15
5739	NASDAQ	ATRI	Tue, Mar 10, 2015	325.00	327.21	325.00	325.05
5738	NASDAQ	ATRI	Mon, Mar 9, 2015	320.01	330.01	323.10	329.00
5737	NASDAQ	ATRI	Fri, Mar 6, 2015	320.00	327.00	320.00	322.78
5736	NASDAQ	ATRI	Thu, Mar 5, 2015	321.03	333.75	321.03	321.40
5735	NASDAQ	ATRI	Wed, Mar 4, 2015	323.55	326.50	322.43	322.43
5734	NASDAQ	ATRI	Tue, Mar 3, 2015	329.32	334.00	324.52	325.00
5733	NASDAQ	ATRI	Mon, Mar 2, 2015	327.43	329.39	323.61	328.79
5732	NASDAQ	ATRI	Fri, Feb 27, 2015	325.20	325.00	325.00	325.00
5731	NASDAQ	ATRI	Thu, Feb 26, 2015	326.60	325.63	325.63	325.63
5730	NASDAQ	ATRI	Wed, Feb 25, 2015	323.51	328.40	323.20	328.40
5729	NASDAQ	ATRI	Tue, Feb 24, 2015	324.16	324.00	321.03	321.03
5728	NASDAQ	ATRI	Mon, Feb 23, 2015	317.00	323.35	317.00	321.20
5727	NASDAQ	ATRI	Fri, Feb 20, 2015	331.73	332.00	315.01	317.01
5726	NASDAQ	ATRI	Wed, Feb 18, 2015	322.65	328.57	328.57	328.57
5725	NASDAQ	ATRI	Tue, Feb 17, 2015	336.03	336.03	332.91	332.91
5724	NASDAQ	ATRI	Fri, Feb 13, 2015	338.50	338.00	330.05	332.77
5723	NASDAQ	ATRI	Thu, Feb 12, 2015	337.92	339.51	335.62	335.62
5722	NASDAQ	ATRI	Wed, Feb 11, 2015	339.70	336.25	336.25	336.25
5721	NASDAQ	ATRI	Tue, Feb 10, 2015	340.11	340.00	335.00	338.74
5720	NASDAQ	ATRI	Mon, Feb 9, 2015	339.99	341.00	338.00	338.00
5719	NASDAQ	ATRI	Fri, Feb 6, 2015	335.00	340.00	334.87	339.96
5718	NASDAQ	ATRI	Thu, Feb 5, 2015	337.42	337.15	335.00	336.39
5717	NASDAQ	ATRI	Wed, Feb 4, 2015	337.48	335.13	335.00	335.05
5716	NASDAQ	ATRI	Tue, Feb 3, 2015	336.48	338.38	333.09	335.21
5715	NASDAQ	ATRI	Mon, Feb 2, 2015	335.20	339.44	335.00	339.44
5714	NASDAQ	ATRI	Fri, Jan 30, 2015	335.10	337.25	335.00	335.00
5713	NASDAQ	ATRI	Thu, Jan 29, 2015	335.00	337.98	335.10	337.55
5712	NASDAQ	ATRI	Wed, Jan 28, 2015	336.51	340.00	335.00	335.06
5711	NASDAQ	ATRI	Tue, Jan 27, 2015	335.05	339.60	335.00	339.22
5710	NASDAQ	ATRI	Mon, Jan 26, 2015	335.50	338.89	335.00	338.89
5709	NASDAQ	ATRI	Fri, Jan 23, 2015	337.00	337.00	335.01	336.01
5708	NASDAQ	ATRI	Thu, Jan 22, 2015	338.40	339.00	335.00	337.80
5707	NASDAQ	ATRI	Wed, Jan 21, 2015	335.00	343.00	335.00	336.00
5706	NASDAQ	ATRI	Tue, Jan 20, 2015	336.85	338.50	335.00	335.00
5705	NASDAQ	ATRI	Fri, Jan 16, 2015	335.96	337.48	335.00	335.09
5704	NASDAQ	ATRI	Thu, Jan 15, 2015	335.00	340.95	335.00	339.89
5703	NASDAQ	ATRI	Wed, Jan 14, 2015	335.00	341.00	335.00	335.11
5702	NASDAQ	ATRI	Tue, Jan 13, 2015	337.20	339.99	335.00	339.99
5701	NASDAQ	ATRI	Mon, Jan 12, 2015	335.20	337.95	335.00	336.52
5700	NASDAQ	ATRI	Fri, Jan 9, 2015	336.20	337.99	336.20	337.99
5699	NASDAQ	ATRI	Thu, Jan 8, 2015	342.90	339.94	339.94	339.94
5698	NASDAQ	ATRI	Wed, Jan 7, 2015	341.56	343.39	337.56	337.56
5697	NASDAQ	ATRI	Tue, Jan 6, 2015	342.46	342.46	335.00	335.40
5696	NASDAQ	ATRI	Mon, Jan 5, 2015	340.63	341.00	337.75	341.00
5695	NASDAQ	ATRI	Fri, Jan 2, 2015	343.96	344.38	339.97	341.94
5694	NASDAQ	ATRI	Wed, Dec 31, 2014	341.88	342.49	336.75	340.01
5693	NASDAQ	ATRI	Tue, Dec 30, 2014	338.19	343.89	336.00	339.90
5692	NASDAQ	ATRI	Mon, Dec 29, 2014	344.00	345.05	342.02	342.02
5691	NASDAQ	ATRI	Fri, Dec 26, 2014	338.90	346.17	338.90	346.17
5690	NASDAQ	ATRI	Wed, Dec 24, 2014	336.69	338.90	336.69	338.90
5689	NASDAQ	ATRI	Tue, Dec 23, 2014	346.88	341.80	335.01	339.00
5688	NASDAQ	ATRI	Mon, Dec 22, 2014	344.00	342.00	336.01	342.00
5687	NASDAQ	ATRI	Fri, Dec 19, 2014	346.43	349.94	340.00	346.42
5686	NASDAQ	ATRI	Thu, Dec 18, 2014	340.10	355.91	340.10	348.89
5685	NASDAQ	ATRI	Wed, Dec 17, 2014	339.46	340.00	335.00	340.00
5684	NASDAQ	ATRI	Tue, Dec 16, 2014	337.99	340.00	335.00	336.97
5683	NASDAQ	ATRI	Mon, Dec 15, 2014	338.25	339.80	335.00	335.00
5682	NASDAQ	ATRI	Fri, Dec 12, 2014	335.00	336.96	335.00	335.00
5681	NASDAQ	ATRI	Thu, Dec 11, 2014	332.33	337.50	325.00	337.29
5680	NASDAQ	ATRI	Wed, Dec 10, 2014	332.30	333.00	325.75	330.43
5679	NASDAQ	ATRI	Tue, Dec 9, 2014	325.00	332.30	325.00	332.30
5678	NASDAQ	ATRI	Mon, Dec 8, 2014	325.00	326.14	325.00	326.14
5677	NASDAQ	ATRI	Fri, Dec 5, 2014	326.15	332.47	325.01	328.95
5676	NASDAQ	ATRI	Thu, Dec 4, 2014	327.23	329.99	325.00	328.70
5675	NASDAQ	ATRI	Wed, Dec 3, 2014	325.40	330.00	329.99	330.00
5674	NASDAQ	ATRI	Tue, Dec 2, 2014	322.34	328.88	322.34	328.88
5673	NASDAQ	ATRI	Mon, Dec 1, 2014	323.77	322.73	322.34	322.34
5672	NASDAQ	ATRI	Fri, Nov 28, 2014	325.00	325.01	318.15	325.01
5671	NASDAQ	ATRI	Wed, Nov 26, 2014	329.78	326.40	325.02	326.40
5670	NASDAQ	ATRI	Tue, Nov 25, 2014	328.99	329.13	329.13	329.13
5669	NASDAQ	ATRI	Mon, Nov 24, 2014	326.50	328.59	322.72	328.59
5668	NASDAQ	ATRI	Fri, Nov 21, 2014	328.88	328.88	326.20	326.20
5667	NASDAQ	ATRI	Thu, Nov 20, 2014	325.00	325.00	325.00	325.00
5666	NASDAQ	ATRI	Wed, Nov 19, 2014	328.72	325.01	325.00	325.01
5665	NASDAQ	ATRI	Tue, Nov 18, 2014	327.33	327.47	324.79	327.47
5664	NASDAQ	ATRI	Mon, Nov 17, 2014	325.64	325.01	315.06	325.00
5663	NASDAQ	ATRI	Fri, Nov 14, 2014	325.18	329.22	325.41	325.41
5662	NASDAQ	ATRI	Thu, Nov 13, 2014	325.72	325.01	325.01	325.01
5661	NASDAQ	ATRI	Wed, Nov 12, 2014	325.04	328.98	325.00	328.98
5660	NASDAQ	ATRI	Tue, Nov 11, 2014	332.90	329.89	319.99	329.89
5659	NASDAQ	ATRI	Mon, Nov 10, 2014	332.07	334.00	327.31	334.00
5658	NASDAQ	ATRI	Fri, Nov 7, 2014	330.00	335.00	330.11	334.99
5657	NASDAQ	ATRI	Thu, Nov 6, 2014	325.04	333.00	325.32	333.00
5656	NASDAQ	ATRI	Wed, Nov 5, 2014	333.99	334.20	329.65	330.64
5655	NASDAQ	ATRI	Tue, Nov 4, 2014	329.96	332.36	329.50	332.36
5654	NASDAQ	ATRI	Mon, Nov 3, 2014	325.00	329.25	325.50	329.25
5653	NASDAQ	ATRI	Fri, Oct 31, 2014	336.99	330.01	328.00	330.01
5652	NASDAQ	ATRI	Thu, Oct 30, 2014	325.00	329.98	325.50	329.98
5651	NASDAQ	ATRI	Wed, Oct 29, 2014	318.52	329.00	322.00	325.01
5650	NASDAQ	ATRI	Tue, Oct 28, 2014	306.87	323.00	315.00	322.00
5649	NASDAQ	ATRI	Mon, Oct 27, 2014	315.00	314.12	314.12	314.12
5648	NASDAQ	ATRI	Fri, Oct 24, 2014	309.99	315.00	315.00	315.00
5647	NASDAQ	ATRI	Thu, Oct 23, 2014	308.01	310.55	308.01	309.72
5646	NASDAQ	ATRI	Wed, Oct 22, 2014	305.00	313.80	307.98	307.98
5645	NASDAQ	ATRI	Tue, Oct 21, 2014	307.14	315.77	301.88	308.40
5644	NASDAQ	ATRI	Mon, Oct 20, 2014	304.76	319.08	313.87	317.93
5643	NASDAQ	ATRI	Fri, Oct 17, 2014	328.07	328.07	311.55	311.55
5642	NASDAQ	ATRI	Thu, Oct 16, 2014	321.50	323.37	315.17	323.29
5641	NASDAQ	ATRI	Wed, Oct 15, 2014	305.00	323.50	313.00	323.04
5640	NASDAQ	ATRI	Tue, Oct 14, 2014	309.13	316.58	305.79	315.99
5639	NASDAQ	ATRI	Mon, Oct 13, 2014	295.00	307.40	303.66	303.66
5638	NASDAQ	ATRI	Fri, Oct 10, 2014	290.50	295.96	290.50	294.25
5637	NASDAQ	ATRI	Thu, Oct 9, 2014	303.52	288.50	288.50	288.50
5636	NASDAQ	ATRI	Wed, Oct 8, 2014	295.00	307.31	307.31	307.31
5635	NASDAQ	ATRI	Tue, Oct 7, 2014	297.01	308.25	291.42	295.00
5634	NASDAQ	ATRI	Mon, Oct 6, 2014	309.05	304.13	302.21	302.21
5633	NASDAQ	ATRI	Fri, Oct 3, 2014	318.32	313.91	311.94	311.94
5632	NASDAQ	ATRI	Thu, Oct 2, 2014	295.00	315.00	296.00	314.69
5631	NASDAQ	ATRI	Wed, Oct 1, 2014	307.33	305.00	295.01	295.01
5630	NASDAQ	ATRI	Tue, Sep 30, 2014	310.36	314.49	305.00	305.01
5629	NASDAQ	ATRI	Mon, Sep 29, 2014	314.05	306.97	306.97	306.97
5628	NASDAQ	ATRI	Fri, Sep 26, 2014	305.00	318.64	305.00	318.64
5627	NASDAQ	ATRI	Thu, Sep 25, 2014	309.48	313.83	305.00	305.01
5626	NASDAQ	ATRI	Wed, Sep 24, 2014	310.44	311.12	305.00	310.00
5625	NASDAQ	ATRI	Tue, Sep 23, 2014	312.97	311.53	305.00	305.21
5624	NASDAQ	ATRI	Mon, Sep 22, 2014	312.42	316.02	313.25	313.25
5623	NASDAQ	ATRI	Fri, Sep 19, 2014	312.41	317.98	312.41	316.02
5622	NASDAQ	ATRI	Thu, Sep 18, 2014	312.00	311.00	305.01	311.00
5621	NASDAQ	ATRI	Wed, Sep 17, 2014	307.60	308.35	305.01	305.01
5620	NASDAQ	ATRI	Tue, Sep 16, 2014	305.25	309.45	307.50	309.45
5619	NASDAQ	ATRI	Mon, Sep 15, 2014	309.70	307.50	304.99	305.01
5618	NASDAQ	ATRI	Fri, Sep 12, 2014	310.84	310.50	305.00	307.15
5617	NASDAQ	ATRI	Thu, Sep 11, 2014	319.16	318.00	292.55	308.99
5616	NASDAQ	ATRI	Wed, Sep 10, 2014	310.69	319.76	310.69	319.76
5615	NASDAQ	ATRI	Tue, Sep 9, 2014	311.70	315.31	315.31	315.31
5614	NASDAQ	ATRI	Mon, Sep 8, 2014	320.87	319.92	316.82	319.92
5613	NASDAQ	ATRI	Fri, Sep 5, 2014	323.37	328.12	321.20	323.00
5612	NASDAQ	ATRI	Thu, Sep 4, 2014	328.12	323.64	323.64	323.64
5611	NASDAQ	ATRI	Wed, Sep 3, 2014	328.97	329.99	324.74	328.00
5610	NASDAQ	ATRI	Tue, Sep 2, 2014	322.78	328.70	326.21	328.70
5609	NASDAQ	ATRI	Fri, Aug 29, 2014	322.41	320.00	320.00	320.00
5608	NASDAQ	ATRI	Thu, Aug 28, 2014	321.89	322.93	319.00	322.20
5607	NASDAQ	ATRI	Wed, Aug 27, 2014	321.77	323.31	322.00	323.29
5606	NASDAQ	ATRI	Tue, Aug 26, 2014	321.00	323.89	323.89	323.89
5605	NASDAQ	ATRI	Mon, Aug 25, 2014	325.99	324.00	320.62	320.81
5604	NASDAQ	ATRI	Fri, Aug 22, 2014	317.15	324.99	320.50	324.99
5603	NASDAQ	ATRI	Thu, Aug 21, 2014	315.00	318.00	315.99	318.00
5602	NASDAQ	ATRI	Wed, Aug 20, 2014	318.55	314.53	313.40	313.40
5601	NASDAQ	ATRI	Tue, Aug 19, 2014	320.57	320.00	313.63	318.00
5600	NASDAQ	ATRI	Mon, Aug 18, 2014	318.49	322.99	310.97	322.99
5599	NASDAQ	ATRI	Fri, Aug 15, 2014	312.69	316.84	308.00	316.71
5598	NASDAQ	ATRI	Thu, Aug 14, 2014	307.69	308.05	308.00	308.00
5597	NASDAQ	ATRI	Wed, Aug 13, 2014	303.03	307.69	305.00	307.69
5596	NASDAQ	ATRI	Tue, Aug 12, 2014	307.50	303.74	300.10	300.10
5595	NASDAQ	ATRI	Mon, Aug 11, 2014	304.72	310.95	300.72	307.00
5594	NASDAQ	ATRI	Fri, Aug 8, 2014	301.85	309.98	307.00	307.00
5593	NASDAQ	ATRI	Thu, Aug 7, 2014	299.72	304.00	304.00	304.00
5592	NASDAQ	ATRI	Wed, Aug 6, 2014	293.57	296.92	296.92	296.92
5591	NASDAQ	ATRI	Tue, Aug 5, 2014	313.25	301.22	292.01	296.16
5590	NASDAQ	ATRI	Mon, Aug 4, 2014	282.95	292.32	283.05	288.00
5589	NASDAQ	ATRI	Fri, Aug 1, 2014	280.00	283.17	280.00	282.95
5588	NASDAQ	ATRI	Thu, Jul 31, 2014	285.26	290.98	281.00	281.00
5587	NASDAQ	ATRI	Wed, Jul 30, 2014	290.00	298.39	288.92	290.60
5586	NASDAQ	ATRI	Tue, Jul 29, 2014	281.20	287.95	284.15	286.41
5585	NASDAQ	ATRI	Mon, Jul 28, 2014	285.12	284.00	278.01	283.50
5584	NASDAQ	ATRI	Fri, Jul 25, 2014	293.00	288.00	283.10	283.10
5583	NASDAQ	ATRI	Thu, Jul 24, 2014	298.60	299.92	295.63	295.63
5582	NASDAQ	ATRI	Wed, Jul 23, 2014	298.36	301.01	300.10	300.25
5581	NASDAQ	ATRI	Tue, Jul 22, 2014	298.38	303.98	298.38	300.00
5580	NASDAQ	ATRI	Mon, Jul 21, 2014	298.16	301.76	298.01	300.04
5579	NASDAQ	ATRI	Fri, Jul 18, 2014	293.33	303.05	293.33	301.00
5578	NASDAQ	ATRI	Thu, Jul 17, 2014	304.50	301.13	294.17	294.48
5577	NASDAQ	ATRI	Wed, Jul 16, 2014	313.43	324.96	306.00	307.35
5576	NASDAQ	ATRI	Tue, Jul 15, 2014	314.00	317.00	310.57	311.74
5575	NASDAQ	ATRI	Mon, Jul 14, 2014	314.90	315.70	312.00	313.00
5574	NASDAQ	ATRI	Fri, Jul 11, 2014	317.12	318.00	312.15	312.15
5573	NASDAQ	ATRI	Thu, Jul 10, 2014	318.00	319.87	317.00	319.01
5572	NASDAQ	ATRI	Wed, Jul 9, 2014	321.00	329.21	318.00	321.01
5571	NASDAQ	ATRI	Tue, Jul 8, 2014	325.60	328.07	319.00	320.00
5570	NASDAQ	ATRI	Mon, Jul 7, 2014	323.95	329.32	323.00	323.17
5569	NASDAQ	ATRI	Thu, Jul 3, 2014	323.89	325.45	324.00	325.00
5568	NASDAQ	ATRI	Wed, Jul 2, 2014	326.00	325.91	321.00	322.82
5567	NASDAQ	ATRI	Tue, Jul 1, 2014	325.01	328.00	325.80	326.97
5566	NASDAQ	ATRI	Mon, Jun 30, 2014	330.62	337.25	325.83	326.00
5565	NASDAQ	ATRI	Fri, Jun 27, 2014	323.21	331.75	322.30	329.99
5564	NASDAQ	ATRI	Thu, Jun 26, 2014	320.32	324.96	320.00	324.18
5563	NASDAQ	ATRI	Wed, Jun 25, 2014	318.76	325.50	323.30	324.01
5562	NASDAQ	ATRI	Tue, Jun 24, 2014	318.99	322.48	315.00	322.00
5561	NASDAQ	ATRI	Mon, Jun 23, 2014	317.44	320.46	316.51	316.51
5560	NASDAQ	ATRI	Fri, Jun 20, 2014	317.48	322.33	310.06	320.00
5559	NASDAQ	ATRI	Thu, Jun 19, 2014	315.13	318.93	313.51	313.51
5558	NASDAQ	ATRI	Wed, Jun 18, 2014	317.56	317.56	310.77	315.97
5557	NASDAQ	ATRI	Tue, Jun 17, 2014	310.26	315.58	307.00	310.59
5556	NASDAQ	ATRI	Mon, Jun 16, 2014	313.86	318.57	308.30	312.79
5555	NASDAQ	ATRI	Fri, Jun 13, 2014	312.37	318.01	312.00	315.26
5554	NASDAQ	ATRI	Thu, Jun 12, 2014	321.10	317.30	312.00	313.61
5553	NASDAQ	ATRI	Wed, Jun 11, 2014	320.02	322.44	319.50	320.36
5552	NASDAQ	ATRI	Tue, Jun 10, 2014	322.00	323.99	321.00	322.53
5551	NASDAQ	ATRI	Mon, Jun 9, 2014	323.46	324.00	320.76	322.49
5550	NASDAQ	ATRI	Fri, Jun 6, 2014	312.71	321.67	311.30	321.60
5549	NASDAQ	ATRI	Thu, Jun 5, 2014	312.99	314.00	310.00	313.89
5548	NASDAQ	ATRI	Wed, Jun 4, 2014	310.79	312.50	307.50	310.29
5547	NASDAQ	ATRI	Tue, Jun 3, 2014	314.00	313.50	308.46	312.29
5546	NASDAQ	ATRI	Mon, Jun 2, 2014	313.56	318.00	310.00	314.32
5545	NASDAQ	ATRI	Fri, May 30, 2014	313.40	319.00	314.06	315.40
5544	NASDAQ	ATRI	Thu, May 29, 2014	318.75	324.87	315.24	315.25
5543	NASDAQ	ATRI	Wed, May 28, 2014	317.99	318.74	317.00	318.73
5542	NASDAQ	ATRI	Tue, May 27, 2014	319.68	317.99	315.50	317.99
5541	NASDAQ	ATRI	Fri, May 23, 2014	315.74	317.47	314.51	316.99
5540	NASDAQ	ATRI	Thu, May 22, 2014	318.45	320.00	311.50	315.24
5539	NASDAQ	ATRI	Wed, May 21, 2014	310.40	317.02	311.00	317.02
5538	NASDAQ	ATRI	Tue, May 20, 2014	315.41	317.95	310.02	310.02
5537	NASDAQ	ATRI	Mon, May 19, 2014	310.56	318.00	310.00	317.38
5536	NASDAQ	ATRI	Fri, May 16, 2014	309.30	311.50	307.00	310.56
5535	NASDAQ	ATRI	Thu, May 15, 2014	307.90	313.60	305.00	308.08
5534	NASDAQ	ATRI	Wed, May 14, 2014	314.50	319.50	309.58	309.58
5533	NASDAQ	ATRI	Tue, May 13, 2014	310.20	317.04	310.98	314.36
5532	NASDAQ	ATRI	Mon, May 12, 2014	302.57	314.00	303.00	310.89
5531	NASDAQ	ATRI	Fri, May 9, 2014	294.37	300.38	292.00	300.38
5530	NASDAQ	ATRI	Thu, May 8, 2014	298.19	302.00	295.00	296.29
5529	NASDAQ	ATRI	Wed, May 7, 2014	294.00	296.65	287.42	296.65
5528	NASDAQ	ATRI	Tue, May 6, 2014	284.96	292.34	284.50	289.33
5527	NASDAQ	ATRI	Mon, May 5, 2014	283.68	299.84	283.36	287.00
5526	NASDAQ	ATRI	Fri, May 2, 2014	287.06	290.00	285.02	285.77
5525	NASDAQ	ATRI	Thu, May 1, 2014	286.99	294.78	285.00	288.75
5524	NASDAQ	ATRI	Wed, Apr 30, 2014	290.25	290.25	288.33	288.54
5523	NASDAQ	ATRI	Tue, Apr 29, 2014	287.00	293.80	286.00	286.25
5522	NASDAQ	ATRI	Mon, Apr 28, 2014	288.05	289.40	284.25	286.95
5521	NASDAQ	ATRI	Fri, Apr 25, 2014	284.04	287.28	281.50	285.55
5520	NASDAQ	ATRI	Thu, Apr 24, 2014	294.06	294.06	283.68	286.02
5519	NASDAQ	ATRI	Wed, Apr 23, 2014	292.04	294.01	290.00	291.15
5518	NASDAQ	ATRI	Tue, Apr 22, 2014	296.00	296.00	292.31	292.31
5517	NASDAQ	ATRI	Mon, Apr 21, 2014	284.05	293.89	285.20	293.70
5516	NASDAQ	ATRI	Thu, Apr 17, 2014	289.80	291.99	287.01	287.01
5515	NASDAQ	ATRI	Wed, Apr 16, 2014	295.90	296.00	289.42	289.42
5514	NASDAQ	ATRI	Tue, Apr 15, 2014	292.00	293.00	287.10	291.46
5513	NASDAQ	ATRI	Mon, Apr 14, 2014	288.50	294.00	288.50	292.20
5512	NASDAQ	ATRI	Fri, Apr 11, 2014	281.00	284.11	281.00	284.10
5511	NASDAQ	ATRI	Thu, Apr 10, 2014	285.00	286.90	278.00	283.72
5510	NASDAQ	ATRI	Wed, Apr 9, 2014	276.50	288.50	275.38	286.05
5509	NASDAQ	ATRI	Tue, Apr 8, 2014	273.08	277.14	271.55	275.35
5508	NASDAQ	ATRI	Mon, Apr 7, 2014	286.04	286.04	261.53	274.52
5507	NASDAQ	ATRI	Fri, Apr 4, 2014	305.70	302.75	286.30	288.00
5506	NASDAQ	ATRI	Thu, Apr 3, 2014	306.50	306.50	303.40	305.88
5505	NASDAQ	ATRI	Wed, Apr 2, 2014	305.10	306.56	304.50	306.56
5504	NASDAQ	ATRI	Tue, Apr 1, 2014	307.00	308.00	303.45	307.49
5503	NASDAQ	ATRI	Mon, Mar 31, 2014	306.97	307.50	304.16	306.14
5502	NASDAQ	ATRI	Fri, Mar 28, 2014	306.10	305.95	303.00	305.01
5501	NASDAQ	ATRI	Thu, Mar 27, 2014	305.50	306.10	304.50	304.50
5500	NASDAQ	ATRI	Wed, Mar 26, 2014	311.00	312.00	308.00	309.79
5499	NASDAQ	ATRI	Tue, Mar 25, 2014	313.10	314.98	312.40	312.40
5498	NASDAQ	ATRI	Mon, Mar 24, 2014	311.80	315.43	311.00	313.05
5497	NASDAQ	ATRI	Fri, Mar 21, 2014	312.11	313.07	308.00	311.80
5496	NASDAQ	ATRI	Thu, Mar 20, 2014	313.95	315.00	312.10	312.10
5495	NASDAQ	ATRI	Wed, Mar 19, 2014	314.50	315.44	311.20	314.43
5494	NASDAQ	ATRI	Tue, Mar 18, 2014	309.40	314.44	309.40	314.44
5493	NASDAQ	ATRI	Mon, Mar 17, 2014	309.08	314.00	309.08	310.76
5492	NASDAQ	ATRI	Fri, Mar 14, 2014	307.00	313.60	307.24	311.25
5491	NASDAQ	ATRI	Thu, Mar 13, 2014	306.00	316.99	305.20	308.00
5490	NASDAQ	ATRI	Wed, Mar 12, 2014	302.83	308.87	302.83	308.87
5489	NASDAQ	ATRI	Tue, Mar 11, 2014	310.03	313.00	303.91	303.91
5488	NASDAQ	ATRI	Mon, Mar 10, 2014	309.80	313.15	309.80	311.95
5487	NASDAQ	ATRI	Fri, Mar 7, 2014	307.00	311.00	307.00	309.80
5486	NASDAQ	ATRI	Thu, Mar 6, 2014	307.94	309.00	306.95	308.85
5485	NASDAQ	ATRI	Wed, Mar 5, 2014	307.27	308.50	292.06	305.25
5484	NASDAQ	ATRI	Tue, Mar 4, 2014	292.29	313.69	293.76	309.25
5483	NASDAQ	ATRI	Mon, Mar 3, 2014	290.08	289.85	280.12	289.74
5482	NASDAQ	ATRI	Fri, Feb 28, 2014	280.90	291.50	276.40	289.43
5481	NASDAQ	ATRI	Thu, Feb 27, 2014	284.23	288.01	275.20	283.00
5480	NASDAQ	ATRI	Wed, Feb 26, 2014	282.90	296.78	277.70	287.00
5479	NASDAQ	ATRI	Tue, Feb 25, 2014	281.02	283.98	267.00	281.30
5478	NASDAQ	ATRI	Mon, Feb 24, 2014	290.82	291.00	283.00	283.70
5477	NASDAQ	ATRI	Fri, Feb 21, 2014	294.15	295.88	287.22	291.17
5476	NASDAQ	ATRI	Thu, Feb 20, 2014	289.08	297.00	293.39	294.50
5475	NASDAQ	ATRI	Wed, Feb 19, 2014	291.00	292.00	290.10	290.10
5474	NASDAQ	ATRI	Tue, Feb 18, 2014	286.80	292.12	286.00	291.00
5473	NASDAQ	ATRI	Fri, Feb 14, 2014	284.78	287.00	282.00	284.22
5472	NASDAQ	ATRI	Thu, Feb 13, 2014	276.86	283.40	277.54	283.40
5471	NASDAQ	ATRI	Wed, Feb 12, 2014	274.56	279.09	272.71	279.09
5470	NASDAQ	ATRI	Tue, Feb 11, 2014	269.89	273.47	269.97	273.44
5469	NASDAQ	ATRI	Mon, Feb 10, 2014	270.15	270.15	260.02	268.14
5468	NASDAQ	ATRI	Fri, Feb 7, 2014	275.34	277.48	269.77	270.90
5467	NASDAQ	ATRI	Thu, Feb 6, 2014	275.30	276.73	270.80	274.25
5466	NASDAQ	ATRI	Wed, Feb 5, 2014	270.58	277.80	273.51	274.71
5465	NASDAQ	ATRI	Tue, Feb 4, 2014	263.80	275.04	261.40	273.10
5464	NASDAQ	ATRI	Mon, Feb 3, 2014	268.55	263.83	254.12	263.00
5463	NASDAQ	ATRI	Fri, Jan 31, 2014	266.48	268.84	267.01	267.18
5462	NASDAQ	ATRI	Thu, Jan 30, 2014	267.01	274.90	266.01	271.95
5461	NASDAQ	ATRI	Wed, Jan 29, 2014	280.05	276.15	263.44	266.81
5460	NASDAQ	ATRI	Tue, Jan 28, 2014	280.40	280.50	279.36	280.50
5459	NASDAQ	ATRI	Mon, Jan 27, 2014	283.14	282.73	279.22	281.15
5458	NASDAQ	ATRI	Fri, Jan 24, 2014	281.19	284.48	278.07	281.41
5457	NASDAQ	ATRI	Thu, Jan 23, 2014	268.08	281.55	268.98	280.14
5456	NASDAQ	ATRI	Wed, Jan 22, 2014	273.89	271.46	262.51	271.46
5455	NASDAQ	ATRI	Tue, Jan 21, 2014	282.28	280.46	269.84	274.23
5454	NASDAQ	ATRI	Fri, Jan 17, 2014	286.42	286.42	276.13	279.44
5453	NASDAQ	ATRI	Thu, Jan 16, 2014	285.21	286.88	284.60	285.98
5452	NASDAQ	ATRI	Wed, Jan 15, 2014	288.97	287.28	286.79	286.79
5451	NASDAQ	ATRI	Tue, Jan 14, 2014	291.54	290.22	288.00	289.65
5450	NASDAQ	ATRI	Mon, Jan 13, 2014	293.04	295.89	287.01	289.35
5449	NASDAQ	ATRI	Fri, Jan 10, 2014	295.38	296.34	294.40	295.00
5448	NASDAQ	ATRI	Thu, Jan 9, 2014	296.61	297.49	294.04	295.50
5447	NASDAQ	ATRI	Wed, Jan 8, 2014	295.03	295.87	293.96	295.87
5446	NASDAQ	ATRI	Tue, Jan 7, 2014	291.23	297.15	294.99	296.35
5445	NASDAQ	ATRI	Mon, Jan 6, 2014	296.00	297.00	292.15	292.15
5444	NASDAQ	ATRI	Fri, Jan 3, 2014	292.85	294.55	293.05	293.95
5443	NASDAQ	ATRI	Thu, Jan 2, 2014	295.40	293.65	289.55	290.86
5442	NASDAQ	ATRI	Tue, Dec 31, 2013	298.00	297.99	296.23	296.25
5441	NASDAQ	ATRI	Mon, Dec 30, 2013	295.96	297.59	297.59	297.59
5440	NASDAQ	ATRI	Fri, Dec 27, 2013	298.02	299.00	296.02	296.02
5439	NASDAQ	ATRI	Thu, Dec 26, 2013	290.00	295.78	290.00	295.78
5438	NASDAQ	ATRI	Tue, Dec 24, 2013	288.03	291.99	288.94	291.05
5437	NASDAQ	ATRI	Mon, Dec 23, 2013	277.00	289.22	277.96	288.30
5436	NASDAQ	ATRI	Fri, Dec 20, 2013	270.37	276.00	268.01	276.00
5435	NASDAQ	ATRI	Thu, Dec 19, 2013	276.44	276.40	270.82	270.82
5434	NASDAQ	ATRI	Wed, Dec 18, 2013	278.01	278.03	275.05	277.50
5433	NASDAQ	ATRI	Tue, Dec 17, 2013	279.60	279.60	277.15	278.57
5432	NASDAQ	ATRI	Mon, Dec 16, 2013	278.00	281.46	276.48	279.66
5431	NASDAQ	ATRI	Fri, Dec 13, 2013	274.27	277.99	275.40	277.99
5430	NASDAQ	ATRI	Thu, Dec 12, 2013	273.80	274.44	273.80	274.02
5429	NASDAQ	ATRI	Wed, Dec 11, 2013	276.75	275.06	273.30	273.70
5428	NASDAQ	ATRI	Tue, Dec 10, 2013	280.00	280.00	276.00	276.35
5427	NASDAQ	ATRI	Mon, Dec 9, 2013	278.66	280.58	278.73	280.58
5426	NASDAQ	ATRI	Fri, Dec 6, 2013	281.79	283.00	279.59	279.62
5425	NASDAQ	ATRI	Thu, Dec 5, 2013	277.00	280.33	273.22	279.79
5424	NASDAQ	ATRI	Wed, Dec 4, 2013	278.99	278.76	277.45	278.00
5423	NASDAQ	ATRI	Tue, Dec 3, 2013	280.23	280.23	278.11	278.11
5422	NASDAQ	ATRI	Mon, Dec 2, 2013	281.50	279.90	278.41	279.25
5421	NASDAQ	ATRI	Fri, Nov 29, 2013	278.16	281.48	278.16	281.48
5420	NASDAQ	ATRI	Wed, Nov 27, 2013	278.36	280.28	278.00	278.66
5419	NASDAQ	ATRI	Tue, Nov 26, 2013	278.20	280.03	277.44	279.31
5418	NASDAQ	ATRI	Mon, Nov 25, 2013	275.88	277.65	275.88	277.65
5417	NASDAQ	ATRI	Fri, Nov 22, 2013	271.99	276.98	270.53	275.88
5416	NASDAQ	ATRI	Thu, Nov 21, 2013	270.80	271.35	270.12	271.35
5415	NASDAQ	ATRI	Wed, Nov 20, 2013	271.73	270.50	266.33	269.40
5414	NASDAQ	ATRI	Tue, Nov 19, 2013	268.00	270.42	266.02	270.42
5413	NASDAQ	ATRI	Mon, Nov 18, 2013	270.06	272.86	268.34	268.34
5412	NASDAQ	ATRI	Fri, Nov 15, 2013	268.57	271.49	268.20	271.45
5411	NASDAQ	ATRI	Thu, Nov 14, 2013	267.15	271.40	268.00	269.01
5410	NASDAQ	ATRI	Wed, Nov 13, 2013	267.48	270.22	269.48	269.72
5409	NASDAQ	ATRI	Tue, Nov 12, 2013	270.80	270.00	269.13	269.51
5408	NASDAQ	ATRI	Mon, Nov 11, 2013	268.47	270.70	268.47	270.70
5407	NASDAQ	ATRI	Fri, Nov 8, 2013	270.31	272.00	268.68	270.70
5406	NASDAQ	ATRI	Thu, Nov 7, 2013	271.99	272.00	270.30	270.30
5405	NASDAQ	ATRI	Wed, Nov 6, 2013	271.99	271.89	270.03	270.50
5404	NASDAQ	ATRI	Tue, Nov 5, 2013	269.59	271.20	269.00	270.04
5403	NASDAQ	ATRI	Mon, Nov 4, 2013	269.73	271.93	268.00	271.93
5402	NASDAQ	ATRI	Fri, Nov 1, 2013	267.72	268.24	265.00	267.86
5401	NASDAQ	ATRI	Thu, Oct 31, 2013	269.00	269.00	265.36	267.18
5400	NASDAQ	ATRI	Wed, Oct 30, 2013	268.45	270.38	268.00	269.36
5399	NASDAQ	ATRI	Tue, Oct 29, 2013	267.78	267.40	265.03	267.40
5398	NASDAQ	ATRI	Mon, Oct 28, 2013	268.88	268.00	266.71	266.71
5397	NASDAQ	ATRI	Fri, Oct 25, 2013	269.02	269.02	267.00	267.04
5396	NASDAQ	ATRI	Thu, Oct 24, 2013	267.00	268.00	267.98	267.98
5395	NASDAQ	ATRI	Wed, Oct 23, 2013	269.37	269.68	267.05	267.05
5394	NASDAQ	ATRI	Tue, Oct 22, 2013	269.39	271.75	268.00	269.28
5393	NASDAQ	ATRI	Mon, Oct 21, 2013	270.00	271.54	268.14	270.71
5392	NASDAQ	ATRI	Fri, Oct 18, 2013	266.95	269.80	262.34	269.49
5391	NASDAQ	ATRI	Thu, Oct 17, 2013	259.37	263.95	261.00	263.79
5390	NASDAQ	ATRI	Wed, Oct 16, 2013	260.78	262.00	259.00	260.99
5389	NASDAQ	ATRI	Tue, Oct 15, 2013	259.21	261.00	258.33	258.33
5388	NASDAQ	ATRI	Mon, Oct 14, 2013	259.38	259.95	258.30	259.95
5387	NASDAQ	ATRI	Fri, Oct 11, 2013	257.50	261.47	258.00	259.99
5386	NASDAQ	ATRI	Thu, Oct 10, 2013	255.71	257.89	257.40	257.50
5385	NASDAQ	ATRI	Wed, Oct 9, 2013	255.00	256.40	252.50	252.80
5384	NASDAQ	ATRI	Tue, Oct 8, 2013	256.87	256.87	252.64	254.53
5383	NASDAQ	ATRI	Mon, Oct 7, 2013	254.98	256.00	252.92	256.00
5382	NASDAQ	ATRI	Fri, Oct 4, 2013	253.85	256.91	254.97	256.91
5381	NASDAQ	ATRI	Thu, Oct 3, 2013	257.00	258.88	254.37	254.37
5380	NASDAQ	ATRI	Wed, Oct 2, 2013	259.13	259.99	258.00	258.01
5379	NASDAQ	ATRI	Tue, Oct 1, 2013	259.35	261.23	258.80	259.49
5378	NASDAQ	ATRI	Mon, Sep 30, 2013	257.84	260.17	256.00	258.78
5377	NASDAQ	ATRI	Fri, Sep 27, 2013	260.21	260.98	258.55	258.55
5376	NASDAQ	ATRI	Thu, Sep 26, 2013	260.85	261.00	260.00	260.43
5375	NASDAQ	ATRI	Wed, Sep 25, 2013	259.51	261.00	258.88	260.15
5374	NASDAQ	ATRI	Tue, Sep 24, 2013	255.50	259.00	255.50	258.03
5373	NASDAQ	ATRI	Mon, Sep 23, 2013	252.00	256.00	249.00	255.16
5372	NASDAQ	ATRI	Fri, Sep 20, 2013	249.20	251.99	249.20	251.99
5371	NASDAQ	ATRI	Thu, Sep 19, 2013	250.39	250.00	248.78	249.13
5370	NASDAQ	ATRI	Wed, Sep 18, 2013	248.50	250.00	247.50	249.99
5369	NASDAQ	ATRI	Tue, Sep 17, 2013	244.30	247.69	244.01	247.69
5368	NASDAQ	ATRI	Mon, Sep 16, 2013	244.28	246.00	243.45	244.30
5367	NASDAQ	ATRI	Fri, Sep 13, 2013	241.60	244.00	240.33	242.89
5366	NASDAQ	ATRI	Thu, Sep 12, 2013	242.32	243.50	241.50	242.42
5365	NASDAQ	ATRI	Wed, Sep 11, 2013	241.78	243.54	242.00	242.75
5364	NASDAQ	ATRI	Tue, Sep 10, 2013	239.06	242.41	240.40	242.41
5363	NASDAQ	ATRI	Mon, Sep 9, 2013	236.01	239.85	236.01	239.85
5362	NASDAQ	ATRI	Fri, Sep 6, 2013	237.13	237.40	235.64	236.90
5361	NASDAQ	ATRI	Thu, Sep 5, 2013	238.19	239.93	236.73	238.08
5360	NASDAQ	ATRI	Wed, Sep 4, 2013	237.13	239.97	237.69	239.97
5359	NASDAQ	ATRI	Tue, Sep 3, 2013	239.95	239.95	237.67	237.67
5358	NASDAQ	ATRI	Fri, Aug 30, 2013	242.76	242.76	238.58	239.00
5357	NASDAQ	ATRI	Thu, Aug 29, 2013	244.60	244.97	243.02	244.30
5356	NASDAQ	ATRI	Wed, Aug 28, 2013	245.48	245.48	244.35	244.60
5355	NASDAQ	ATRI	Tue, Aug 27, 2013	249.39	248.86	246.35	246.51
5354	NASDAQ	ATRI	Mon, Aug 26, 2013	250.76	250.76	248.60	249.60
5353	NASDAQ	ATRI	Fri, Aug 23, 2013	251.00	250.61	249.50	249.50
5352	NASDAQ	ATRI	Thu, Aug 22, 2013	249.08	250.99	249.21	250.99
5351	NASDAQ	ATRI	Wed, Aug 21, 2013	251.50	250.99	249.98	250.99
5350	NASDAQ	ATRI	Tue, Aug 20, 2013	250.78	251.56	251.00	251.49
5349	NASDAQ	ATRI	Mon, Aug 19, 2013	249.88	251.29	250.25	250.64
5348	NASDAQ	ATRI	Fri, Aug 16, 2013	248.40	249.84	246.30	249.84
5347	NASDAQ	ATRI	Thu, Aug 15, 2013	247.74	249.99	248.34	248.36
5346	NASDAQ	ATRI	Wed, Aug 14, 2013	250.22	250.50	249.94	250.50
5345	NASDAQ	ATRI	Tue, Aug 13, 2013	250.20	251.40	250.80	251.25
5344	NASDAQ	ATRI	Mon, Aug 12, 2013	250.00	251.38	250.74	251.38
5343	NASDAQ	ATRI	Fri, Aug 9, 2013	249.87	251.00	249.87	251.00
5342	NASDAQ	ATRI	Thu, Aug 8, 2013	252.00	252.00	251.00	251.99
5341	NASDAQ	ATRI	Wed, Aug 7, 2013	249.03	252.00	249.03	252.00
5340	NASDAQ	ATRI	Tue, Aug 6, 2013	249.65	250.04	249.65	249.74
5339	NASDAQ	ATRI	Mon, Aug 5, 2013	249.50	250.95	248.60	250.95
5338	NASDAQ	ATRI	Fri, Aug 2, 2013	246.15	249.76	247.00	248.54
5337	NASDAQ	ATRI	Thu, Aug 1, 2013	241.25	246.30	242.00	246.30
5336	NASDAQ	ATRI	Wed, Jul 31, 2013	241.06	241.15	239.99	241.15
5335	NASDAQ	ATRI	Tue, Jul 30, 2013	242.00	240.11	236.03	239.99
5334	NASDAQ	ATRI	Mon, Jul 29, 2013	242.00	242.00	241.47	241.47
5333	NASDAQ	ATRI	Thu, Jul 25, 2013	240.95	242.95	241.00	242.95
5332	NASDAQ	ATRI	Wed, Jul 24, 2013	243.00	242.98	240.26	240.51
5331	NASDAQ	ATRI	Tue, Jul 23, 2013	241.00	244.85	239.32	242.79
5330	NASDAQ	ATRI	Mon, Jul 22, 2013	238.00	240.80	238.00	240.80
5329	NASDAQ	ATRI	Fri, Jul 19, 2013	239.00	239.52	238.90	239.49
5328	NASDAQ	ATRI	Thu, Jul 18, 2013	237.03	240.37	238.11	239.24
5327	NASDAQ	ATRI	Wed, Jul 17, 2013	236.50	237.40	235.70	237.03
5326	NASDAQ	ATRI	Tue, Jul 16, 2013	234.51	236.35	233.93	234.95
5325	NASDAQ	ATRI	Mon, Jul 15, 2013	231.00	234.49	232.00	234.49
5324	NASDAQ	ATRI	Fri, Jul 12, 2013	229.71	232.25	231.70	231.86
5323	NASDAQ	ATRI	Thu, Jul 11, 2013	227.50	231.72	226.83	231.72
5322	NASDAQ	ATRI	Wed, Jul 10, 2013	226.94	227.25	225.71	226.44
5321	NASDAQ	ATRI	Tue, Jul 9, 2013	224.64	227.10	224.05	226.02
5320	NASDAQ	ATRI	Mon, Jul 8, 2013	221.50	224.97	221.50	224.64
5319	NASDAQ	ATRI	Fri, Jul 5, 2013	221.00	221.49	220.86	221.49
5318	NASDAQ	ATRI	Wed, Jul 3, 2013	218.65	219.70	218.80	219.70
5317	NASDAQ	ATRI	Tue, Jul 2, 2013	217.19	219.58	217.00	218.65
5316	NASDAQ	ATRI	Mon, Jul 1, 2013	220.25	221.25	217.74	218.00
5315	NASDAQ	ATRI	Fri, Jun 28, 2013	218.64	219.58	215.04	218.71
5314	NASDAQ	ATRI	Thu, Jun 27, 2013	220.50	220.49	219.55	219.75
5313	NASDAQ	ATRI	Wed, Jun 26, 2013	218.45	220.90	218.30	219.09
5312	NASDAQ	ATRI	Tue, Jun 25, 2013	220.92	219.46	218.00	218.94
5311	NASDAQ	ATRI	Mon, Jun 24, 2013	219.81	220.47	218.05	219.24
5310	NASDAQ	ATRI	Fri, Jun 21, 2013	219.99	221.98	219.99	221.22
5309	NASDAQ	ATRI	Thu, Jun 20, 2013	220.05	220.05	217.95	218.54
5308	NASDAQ	ATRI	Wed, Jun 19, 2013	220.11	222.14	219.34	221.06
5307	NASDAQ	ATRI	Tue, Jun 18, 2013	219.59	221.96	219.95	221.96
5306	NASDAQ	ATRI	Mon, Jun 17, 2013	218.72	219.86	216.97	219.86
5305	NASDAQ	ATRI	Fri, Jun 14, 2013	218.11	218.12	216.02	216.02
5304	NASDAQ	ATRI	Thu, Jun 13, 2013	216.06	219.69	216.99	219.69
5303	NASDAQ	ATRI	Wed, Jun 12, 2013	218.00	218.00	216.60	216.60
5302	NASDAQ	ATRI	Tue, Jun 11, 2013	217.27	217.27	217.27	217.27
5301	NASDAQ	ATRI	Mon, Jun 10, 2013	219.90	219.37	218.13	219.37
5300	NASDAQ	ATRI	Fri, Jun 7, 2013	219.67	220.00	219.07	219.65
5299	NASDAQ	ATRI	Thu, Jun 6, 2013	218.77	219.77	217.47	218.80
5298	NASDAQ	ATRI	Wed, Jun 5, 2013	221.96	221.87	219.40	219.70
5297	NASDAQ	ATRI	Tue, Jun 4, 2013	222.50	222.74	218.35	221.55
5296	NASDAQ	ATRI	Mon, Jun 3, 2013	220.00	221.00	219.00	220.30
5295	NASDAQ	ATRI	Fri, May 31, 2013	218.81	220.48	218.12	220.48
5294	NASDAQ	ATRI	Thu, May 30, 2013	217.09	220.92	219.39	220.92
5293	NASDAQ	ATRI	Wed, May 29, 2013	219.01	218.12	216.00	218.12
5292	NASDAQ	ATRI	Tue, May 28, 2013	215.21	219.86	215.21	219.86
5291	NASDAQ	ATRI	Fri, May 24, 2013	210.76	214.50	210.76	214.12
5290	NASDAQ	ATRI	Thu, May 23, 2013	210.00	212.01	210.00	211.42
5289	NASDAQ	ATRI	Wed, May 22, 2013	210.01	213.00	210.01	211.05
5288	NASDAQ	ATRI	Tue, May 21, 2013	209.90	212.75	209.99	211.03
5287	NASDAQ	ATRI	Mon, May 20, 2013	209.99	209.99	209.60	209.60
5286	NASDAQ	ATRI	Fri, May 17, 2013	209.25	209.98	209.01	209.29
5285	NASDAQ	ATRI	Thu, May 16, 2013	208.00	209.00	207.64	208.95
5284	NASDAQ	ATRI	Wed, May 15, 2013	205.57	208.30	206.95	208.30
5283	NASDAQ	ATRI	Tue, May 14, 2013	206.18	206.84	205.68	206.84
5282	NASDAQ	ATRI	Mon, May 13, 2013	207.63	209.00	207.53	207.62
5281	NASDAQ	ATRI	Fri, May 10, 2013	202.00	208.64	200.00	208.60
5280	NASDAQ	ATRI	Thu, May 9, 2013	199.50	201.05	199.10	200.10
5279	NASDAQ	ATRI	Wed, May 8, 2013	197.81	200.00	197.79	200.00
5278	NASDAQ	ATRI	Tue, May 7, 2013	196.80	198.96	196.23	198.96
5277	NASDAQ	ATRI	Fri, May 3, 2013	191.16	195.00	189.57	195.00
5276	NASDAQ	ATRI	Thu, May 2, 2013	190.40	191.80	188.00	188.80
5275	NASDAQ	ATRI	Wed, May 1, 2013	198.98	197.80	189.90	189.90
5274	NASDAQ	ATRI	Tue, Apr 30, 2013	199.74	200.39	197.39	200.39
5273	NASDAQ	ATRI	Mon, Apr 29, 2013	196.77	200.23	196.13	199.10
5272	NASDAQ	ATRI	Fri, Apr 26, 2013	197.65	197.65	194.02	196.53
5271	NASDAQ	ATRI	Thu, Apr 25, 2013	196.93	197.90	197.49	197.90
5270	NASDAQ	ATRI	Wed, Apr 24, 2013	197.06	199.30	196.71	196.94
5269	NASDAQ	ATRI	Tue, Apr 23, 2013	196.93	198.77	195.35	198.77
5268	NASDAQ	ATRI	Mon, Apr 22, 2013	197.21	195.96	194.89	195.96
5267	NASDAQ	ATRI	Fri, Apr 19, 2013	197.16	198.80	197.16	198.60
5266	NASDAQ	ATRI	Thu, Apr 18, 2013	196.69	200.41	197.02	197.11
5265	NASDAQ	ATRI	Wed, Apr 17, 2013	194.88	198.70	194.88	196.71
5264	NASDAQ	ATRI	Tue, Apr 16, 2013	192.78	196.16	194.00	196.16
5263	NASDAQ	ATRI	Mon, Apr 15, 2013	189.50	191.35	189.01	190.40
5262	NASDAQ	ATRI	Fri, Apr 12, 2013	187.50	190.19	186.50	190.19
5261	NASDAQ	ATRI	Thu, Apr 11, 2013	188.14	188.75	187.88	187.91
5260	NASDAQ	ATRI	Wed, Apr 10, 2013	187.50	189.35	187.81	189.35
5259	NASDAQ	ATRI	Tue, Apr 9, 2013	187.62	189.16	187.34	187.34
5258	NASDAQ	ATRI	Mon, Apr 8, 2013	187.20	188.49	187.11	188.24
5257	NASDAQ	ATRI	Fri, Apr 5, 2013	186.41	187.70	186.37	186.37
5256	NASDAQ	ATRI	Thu, Apr 4, 2013	189.47	189.60	187.69	188.65
5255	NASDAQ	ATRI	Wed, Apr 3, 2013	192.14	192.27	188.77	188.77
5254	NASDAQ	ATRI	Tue, Apr 2, 2013	192.85	194.95	192.09	192.09
5253	NASDAQ	ATRI	Mon, Apr 1, 2013	192.28	192.28	191.15	191.85
5252	NASDAQ	ATRI	Thu, Mar 28, 2013	193.82	194.84	189.48	191.99
5251	NASDAQ	ATRI	Wed, Mar 27, 2013	191.00	193.82	190.00	193.82
5250	NASDAQ	ATRI	Tue, Mar 26, 2013	195.37	195.40	190.65	192.73
5249	NASDAQ	ATRI	Mon, Mar 25, 2013	201.84	203.60	193.66	193.66
5248	NASDAQ	ATRI	Fri, Mar 22, 2013	202.63	204.09	196.70	200.63
5247	NASDAQ	ATRI	Thu, Mar 21, 2013	201.26	203.85	201.26	203.85
5246	NASDAQ	ATRI	Wed, Mar 20, 2013	200.22	202.88	201.67	202.88
5245	NASDAQ	ATRI	Tue, Mar 19, 2013	198.00	199.99	198.30	198.37
5244	NASDAQ	ATRI	Fri, Mar 15, 2013	197.93	199.51	197.25	199.51
5243	NASDAQ	ATRI	Thu, Mar 14, 2013	197.86	197.72	197.00	197.51
5242	NASDAQ	ATRI	Wed, Mar 13, 2013	199.98	202.49	196.10	198.05
5241	NASDAQ	ATRI	Tue, Mar 12, 2013	200.81	201.01	199.74	200.00
5240	NASDAQ	ATRI	Mon, Mar 11, 2013	204.22	203.50	201.42	201.42
5239	NASDAQ	ATRI	Fri, Mar 8, 2013	205.52	205.52	204.75	205.49
5238	NASDAQ	ATRI	Thu, Mar 7, 2013	204.84	204.89	203.59	204.89
5237	NASDAQ	ATRI	Wed, Mar 6, 2013	203.82	205.52	203.82	205.52
5236	NASDAQ	ATRI	Tue, Mar 5, 2013	205.88	205.88	205.01	205.70
5235	NASDAQ	ATRI	Mon, Mar 4, 2013	201.40	206.19	199.54	206.18
5234	NASDAQ	ATRI	Fri, Mar 1, 2013	193.86	203.73	196.30	201.76
5233	NASDAQ	ATRI	Thu, Feb 28, 2013	197.00	196.97	195.47	196.24
5232	NASDAQ	ATRI	Wed, Feb 27, 2013	196.43	197.00	196.71	196.71
5231	NASDAQ	ATRI	Tue, Feb 26, 2013	199.63	197.00	196.37	197.00
5230	NASDAQ	ATRI	Mon, Feb 25, 2013	203.44	203.44	198.01	198.01
5229	NASDAQ	ATRI	Fri, Feb 22, 2013	199.35	200.68	198.47	200.68
5228	NASDAQ	ATRI	Thu, Feb 21, 2013	201.06	200.00	200.00	200.00
5227	NASDAQ	ATRI	Wed, Feb 20, 2013	209.38	209.38	200.25	200.25
5226	NASDAQ	ATRI	Tue, Feb 19, 2013	210.00	210.00	209.09	209.87
5225	NASDAQ	ATRI	Fri, Feb 15, 2013	209.94	210.99	209.84	209.84
5224	NASDAQ	ATRI	Thu, Feb 14, 2013	208.44	208.44	208.44	208.44
5223	NASDAQ	ATRI	Tue, Feb 12, 2013	206.25	207.61	206.25	207.61
5222	NASDAQ	ATRI	Mon, Feb 11, 2013	206.01	206.01	206.01	206.01
5221	NASDAQ	ATRI	Fri, Feb 8, 2013	200.30	203.17	200.30	203.17
5220	NASDAQ	ATRI	Thu, Feb 7, 2013	200.07	203.50	198.30	201.51
5219	NASDAQ	ATRI	Wed, Feb 6, 2013	196.46	202.61	196.46	202.61
5218	NASDAQ	ATRI	Tue, Feb 5, 2013	197.00	200.00	196.84	198.76
5217	NASDAQ	ATRI	Mon, Feb 4, 2013	198.53	198.53	195.45	195.60
5216	NASDAQ	ATRI	Fri, Feb 1, 2013	200.51	201.30	199.04	200.40
5215	NASDAQ	ATRI	Thu, Jan 31, 2013	204.09	204.09	200.00	200.51
5214	NASDAQ	ATRI	Wed, Jan 30, 2013	198.47	200.97	198.47	200.47
5213	NASDAQ	ATRI	Tue, Jan 29, 2013	198.00	202.49	198.00	201.06
5212	NASDAQ	ATRI	Mon, Jan 28, 2013	198.13	199.80	198.13	198.90
5211	NASDAQ	ATRI	Fri, Jan 25, 2013	199.40	199.44	199.40	199.44
5210	NASDAQ	ATRI	Thu, Jan 24, 2013	195.35	199.51	195.35	198.20
5209	NASDAQ	ATRI	Wed, Jan 23, 2013	191.38	196.33	191.38	195.12
5208	NASDAQ	ATRI	Tue, Jan 22, 2013	188.11	192.48	188.11	192.48
5207	NASDAQ	ATRI	Fri, Jan 18, 2013	187.57	188.74	186.36	188.01
5206	NASDAQ	ATRI	Thu, Jan 17, 2013	186.00	188.57	186.00	187.45
5205	NASDAQ	ATRI	Wed, Jan 16, 2013	188.41	188.41	186.50	188.15
5204	NASDAQ	ATRI	Tue, Jan 15, 2013	189.73	191.29	188.00	190.11
5203	NASDAQ	ATRI	Mon, Jan 14, 2013	190.06	190.10	188.06	190.07
5202	NASDAQ	ATRI	Fri, Jan 11, 2013	192.59	193.36	189.17	191.57
5201	NASDAQ	ATRI	Thu, Jan 10, 2013	190.98	192.66	189.10	192.21
5200	NASDAQ	ATRI	Wed, Jan 9, 2013	187.00	189.54	187.00	189.54
5199	NASDAQ	ATRI	Tue, Jan 8, 2013	192.32	192.32	187.00	187.00
5198	NASDAQ	ATRI	Mon, Jan 7, 2013	194.95	194.95	190.94	190.94
5197	NASDAQ	ATRI	Fri, Jan 4, 2013	193.62	194.95	193.62	194.95
5196	NASDAQ	ATRI	Thu, Jan 3, 2013	202.07	202.07	195.03	195.03
5195	NASDAQ	ATRI	Wed, Jan 2, 2013	198.53	205.50	198.53	202.04
5194	NASDAQ	ATRI	Mon, Dec 31, 2012	190.13	196.00	190.13	196.00
5193	NASDAQ	ATRI	Fri, Dec 28, 2012	192.94	195.00	190.40	190.40
5192	NASDAQ	ATRI	Thu, Dec 27, 2012	200.28	200.98	194.34	195.06
5191	NASDAQ	ATRI	Wed, Dec 26, 2012	197.36	200.27	197.36	200.27
5190	NASDAQ	ATRI	Mon, Dec 24, 2012	196.19	199.69	196.19	197.50
5189	NASDAQ	ATRI	Fri, Dec 21, 2012	196.69	196.99	193.98	195.25
5188	NASDAQ	ATRI	Thu, Dec 20, 2012	194.60	197.33	193.64	196.60
5187	NASDAQ	ATRI	Wed, Dec 19, 2012	194.41	196.99	194.41	196.08
5186	NASDAQ	ATRI	Tue, Dec 18, 2012	190.01	198.53	187.75	196.69
5185	NASDAQ	ATRI	Mon, Dec 17, 2012	189.05	191.55	185.16	191.00
5184	NASDAQ	ATRI	Fri, Dec 14, 2012	196.01	196.01	189.11	190.13
5183	NASDAQ	ATRI	Thu, Dec 13, 2012	195.53	195.53	195.35	195.35
5182	NASDAQ	ATRI	Wed, Dec 12, 2012	197.95	198.40	197.19	197.19
5181	NASDAQ	ATRI	Tue, Dec 11, 2012	198.00	198.69	195.73	197.95
5180	NASDAQ	ATRI	Mon, Dec 10, 2012	196.24	197.28	196.20	197.28
5179	NASDAQ	ATRI	Fri, Dec 7, 2012	196.50	196.95	195.50	196.95
5178	NASDAQ	ATRI	Thu, Dec 6, 2012	194.50	195.56	194.21	194.75
5177	NASDAQ	ATRI	Wed, Dec 5, 2012	195.00	196.60	193.80	194.92
5176	NASDAQ	ATRI	Tue, Dec 4, 2012	197.72	197.95	196.21	196.60
5175	NASDAQ	ATRI	Mon, Dec 3, 2012	197.59	198.45	197.00	198.20
5174	NASDAQ	ATRI	Fri, Nov 30, 2012	199.01	200.89	197.00	197.59
5173	NASDAQ	ATRI	Thu, Nov 29, 2012	201.25	202.05	198.41	202.05
5172	NASDAQ	ATRI	Wed, Nov 28, 2012	198.67	201.16	198.30	201.10
5171	NASDAQ	ATRI	Tue, Nov 27, 2012	197.52	200.80	197.52	199.88
5170	NASDAQ	ATRI	Mon, Nov 26, 2012	198.89	199.95	196.67	199.95
5169	NASDAQ	ATRI	Fri, Nov 23, 2012	199.89	199.89	198.00	198.00
5168	NASDAQ	ATRI	Wed, Nov 21, 2012	201.12	201.12	196.02	199.08
5167	NASDAQ	ATRI	Tue, Nov 20, 2012	200.00	209.40	200.00	208.47
5166	NASDAQ	ATRI	Mon, Nov 19, 2012	193.56	199.99	193.56	199.80
5165	NASDAQ	ATRI	Fri, Nov 16, 2012	192.00	200.00	190.06	191.65
5164	NASDAQ	ATRI	Thu, Nov 15, 2012	189.81	195.98	187.46	191.30
5163	NASDAQ	ATRI	Wed, Nov 14, 2012	193.28	194.51	189.02	189.20
5162	NASDAQ	ATRI	Tue, Nov 13, 2012	195.30	196.16	191.83	192.02
5161	NASDAQ	ATRI	Mon, Nov 12, 2012	194.60	195.10	194.60	195.10
5160	NASDAQ	ATRI	Fri, Nov 9, 2012	192.73	195.00	191.22	194.60
5159	NASDAQ	ATRI	Thu, Nov 8, 2012	192.80	194.30	191.00	193.20
5158	NASDAQ	ATRI	Wed, Nov 7, 2012	196.00	196.00	188.23	189.62
5157	NASDAQ	ATRI	Tue, Nov 6, 2012	199.39	200.00	197.41	198.85
5156	NASDAQ	ATRI	Mon, Nov 5, 2012	200.67	200.85	196.27	198.00
5155	NASDAQ	ATRI	Fri, Nov 2, 2012	203.00	203.00	200.10	201.90
5154	NASDAQ	ATRI	Thu, Nov 1, 2012	202.73	205.70	202.73	205.44
5153	NASDAQ	ATRI	Wed, Oct 31, 2012	202.93	205.31	201.80	203.24
5152	NASDAQ	ATRI	Fri, Oct 26, 2012	207.16	207.16	204.00	204.00
5151	NASDAQ	ATRI	Thu, Oct 25, 2012	204.47	207.89	204.00	206.88
5150	NASDAQ	ATRI	Wed, Oct 24, 2012	201.34	202.60	200.13	201.04
5149	NASDAQ	ATRI	Tue, Oct 23, 2012	204.70	204.70	200.52	200.52
5148	NASDAQ	ATRI	Mon, Oct 22, 2012	201.07	203.12	200.77	200.77
5147	NASDAQ	ATRI	Fri, Oct 19, 2012	201.45	201.50	198.58	199.56
5146	NASDAQ	ATRI	Thu, Oct 18, 2012	205.00	207.67	202.36	202.36
5145	NASDAQ	ATRI	Wed, Oct 17, 2012	204.02	205.32	202.37	203.95
5144	NASDAQ	ATRI	Tue, Oct 16, 2012	205.95	206.00	204.02	204.80
5143	NASDAQ	ATRI	Mon, Oct 15, 2012	202.68	205.75	201.01	205.75
5142	NASDAQ	ATRI	Fri, Oct 12, 2012	206.87	206.87	201.61	201.61
5141	NASDAQ	ATRI	Thu, Oct 11, 2012	211.29	211.29	206.94	207.94
5140	NASDAQ	ATRI	Wed, Oct 10, 2012	210.11	210.86	210.11	210.20
5139	NASDAQ	ATRI	Tue, Oct 9, 2012	218.14	218.36	213.62	213.62
5138	NASDAQ	ATRI	Fri, Oct 5, 2012	219.17	220.55	218.60	220.55
5137	NASDAQ	ATRI	Thu, Oct 4, 2012	217.03	222.48	217.03	220.90
5136	NASDAQ	ATRI	Wed, Oct 3, 2012	218.15	218.15	218.15	218.15
5135	NASDAQ	ATRI	Tue, Oct 2, 2012	218.50	218.50	218.50	218.50
5134	NASDAQ	ATRI	Mon, Oct 1, 2012	221.50	223.00	218.13	221.30
5133	NASDAQ	ATRI	Fri, Sep 28, 2012	220.71	226.00	220.45	221.50
5132	NASDAQ	ATRI	Thu, Sep 27, 2012	218.60	221.10	218.39	220.93
5131	NASDAQ	ATRI	Wed, Sep 26, 2012	220.51	222.00	220.51	220.62
5130	NASDAQ	ATRI	Tue, Sep 25, 2012	221.63	226.54	221.63	223.25
5129	NASDAQ	ATRI	Mon, Sep 24, 2012	216.11	222.99	216.11	222.89
5128	NASDAQ	ATRI	Fri, Sep 21, 2012	217.07	219.33	217.07	219.33
5127	NASDAQ	ATRI	Thu, Sep 20, 2012	211.50	215.33	211.50	215.33
5126	NASDAQ	ATRI	Wed, Sep 19, 2012	214.88	216.32	211.76	214.70
5125	NASDAQ	ATRI	Tue, Sep 18, 2012	214.20	216.70	213.08	215.93
5124	NASDAQ	ATRI	Mon, Sep 17, 2012	217.40	217.40	216.22	216.22
5123	NASDAQ	ATRI	Fri, Sep 14, 2012	215.96	218.50	214.25	217.80
5122	NASDAQ	ATRI	Thu, Sep 13, 2012	214.00	218.87	214.00	218.87
5121	NASDAQ	ATRI	Wed, Sep 12, 2012	216.26	216.77	214.00	216.70
5120	NASDAQ	ATRI	Tue, Sep 11, 2012	219.97	219.97	218.51	218.76
5119	NASDAQ	ATRI	Mon, Sep 10, 2012	218.36	219.48	218.36	219.48
5118	NASDAQ	ATRI	Fri, Sep 7, 2012	219.10	220.51	219.10	220.51
5117	NASDAQ	ATRI	Thu, Sep 6, 2012	217.51	220.99	217.14	220.29
5116	NASDAQ	ATRI	Wed, Sep 5, 2012	218.04	218.86	217.37	217.37
5115	NASDAQ	ATRI	Tue, Sep 4, 2012	215.95	219.76	215.95	219.67
5114	NASDAQ	ATRI	Fri, Aug 31, 2012	217.16	217.16	217.16	217.16
5113	NASDAQ	ATRI	Thu, Aug 30, 2012	218.72	218.75	216.56	216.56
5112	NASDAQ	ATRI	Wed, Aug 29, 2012	223.18	223.22	219.25	221.35
5111	NASDAQ	ATRI	Tue, Aug 28, 2012	226.39	226.99	221.77	223.96
5110	NASDAQ	ATRI	Mon, Aug 27, 2012	219.31	221.75	219.31	221.75
5109	NASDAQ	ATRI	Fri, Aug 24, 2012	220.13	225.83	219.00	223.56
5108	NASDAQ	ATRI	Thu, Aug 23, 2012	219.00	219.00	219.00	219.00
5107	NASDAQ	ATRI	Wed, Aug 22, 2012	222.89	222.89	219.00	221.85
5106	NASDAQ	ATRI	Tue, Aug 21, 2012	221.75	221.75	219.00	219.05
5105	NASDAQ	ATRI	Mon, Aug 20, 2012	218.00	223.98	217.22	219.87
5104	NASDAQ	ATRI	Fri, Aug 17, 2012	216.68	219.93	213.69	218.81
5103	NASDAQ	ATRI	Thu, Aug 16, 2012	212.75	218.58	212.75	218.58
5102	NASDAQ	ATRI	Wed, Aug 15, 2012	213.00	213.00	212.00	212.75
5101	NASDAQ	ATRI	Tue, Aug 14, 2012	218.80	218.80	213.00	213.00
5100	NASDAQ	ATRI	Mon, Aug 13, 2012	217.86	217.86	217.86	217.86
5099	NASDAQ	ATRI	Fri, Aug 10, 2012	221.84	221.84	218.29	218.29
5098	NASDAQ	ATRI	Thu, Aug 9, 2012	218.00	220.00	218.00	220.00
5097	NASDAQ	ATRI	Wed, Aug 8, 2012	219.00	219.00	214.26	214.26
5096	NASDAQ	ATRI	Tue, Aug 7, 2012	223.00	223.24	217.75	219.89
5095	NASDAQ	ATRI	Mon, Aug 6, 2012	223.96	223.96	217.00	222.97
5094	NASDAQ	ATRI	Fri, Aug 3, 2012	218.66	223.95	218.66	223.95
5093	NASDAQ	ATRI	Thu, Aug 2, 2012	214.64	218.08	214.64	217.64
5092	NASDAQ	ATRI	Wed, Aug 1, 2012	211.09	222.91	211.09	214.00
5091	NASDAQ	ATRI	Tue, Jul 31, 2012	210.42	210.42	206.00	206.00
5090	NASDAQ	ATRI	Mon, Jul 30, 2012	212.00	212.00	211.50	211.50
5089	NASDAQ	ATRI	Fri, Jul 27, 2012	211.55	214.01	211.50	213.50
5088	NASDAQ	ATRI	Thu, Jul 26, 2012	211.45	212.85	211.45	211.50
5087	NASDAQ	ATRI	Wed, Jul 25, 2012	209.32	210.00	208.00	208.26
5086	NASDAQ	ATRI	Tue, Jul 24, 2012	209.64	211.49	208.00	209.00
5085	NASDAQ	ATRI	Mon, Jul 23, 2012	203.53	208.32	203.01	208.06
5084	NASDAQ	ATRI	Fri, Jul 20, 2012	207.86	208.33	204.04	207.00
5083	NASDAQ	ATRI	Thu, Jul 19, 2012	211.12	211.12	202.01	207.00
5082	NASDAQ	ATRI	Wed, Jul 18, 2012	210.06	212.57	209.19	209.97
5081	NASDAQ	ATRI	Tue, Jul 17, 2012	208.70	209.70	207.12	209.40
5080	NASDAQ	ATRI	Mon, Jul 16, 2012	213.49	213.49	205.69	208.91
5079	NASDAQ	ATRI	Fri, Jul 13, 2012	208.87	213.88	208.87	213.79
5078	NASDAQ	ATRI	Thu, Jul 12, 2012	208.04	212.66	207.60	211.16
5077	NASDAQ	ATRI	Wed, Jul 11, 2012	206.00	208.52	206.00	208.52
5076	NASDAQ	ATRI	Tue, Jul 10, 2012	209.24	210.00	207.01	207.01
5075	NASDAQ	ATRI	Mon, Jul 9, 2012	206.99	208.76	206.50	208.16
5074	NASDAQ	ATRI	Fri, Jul 6, 2012	205.24	207.00	205.24	207.00
5073	NASDAQ	ATRI	Thu, Jul 5, 2012	205.84	206.99	204.05	206.58
5072	NASDAQ	ATRI	Tue, Jul 3, 2012	206.88	207.39	203.08	207.39
5071	NASDAQ	ATRI	Mon, Jul 2, 2012	205.85	208.44	205.40	208.20
5070	NASDAQ	ATRI	Fri, Jun 29, 2012	203.00	204.98	203.00	204.98
5069	NASDAQ	ATRI	Thu, Jun 28, 2012	200.43	201.00	199.75	201.00
5068	NASDAQ	ATRI	Wed, Jun 27, 2012	205.85	205.85	204.25	204.25
5067	NASDAQ	ATRI	Tue, Jun 26, 2012	203.40	205.73	203.02	205.73
5066	NASDAQ	ATRI	Mon, Jun 25, 2012	203.89	203.89	201.31	201.31
5065	NASDAQ	ATRI	Fri, Jun 22, 2012	201.05	203.65	199.00	202.00
5064	NASDAQ	ATRI	Thu, Jun 21, 2012	200.74	201.49	198.90	200.50
5063	NASDAQ	ATRI	Wed, Jun 20, 2012	203.87	203.87	201.26	202.56
5062	NASDAQ	ATRI	Tue, Jun 19, 2012	200.06	202.00	200.06	201.93
5061	NASDAQ	ATRI	Mon, Jun 18, 2012	195.78	201.93	195.78	201.93
5060	NASDAQ	ATRI	Fri, Jun 15, 2012	199.20	200.22	197.99	199.65
5059	NASDAQ	ATRI	Thu, Jun 14, 2012	200.00	201.00	199.02	200.09
5058	NASDAQ	ATRI	Wed, Jun 13, 2012	202.39	202.39	197.77	197.77
5057	NASDAQ	ATRI	Tue, Jun 12, 2012	199.00	200.92	198.62	200.92
5056	NASDAQ	ATRI	Mon, Jun 11, 2012	205.33	205.33	200.52	200.52
5055	NASDAQ	ATRI	Fri, Jun 8, 2012	204.00	207.92	203.85	207.06
5054	NASDAQ	ATRI	Thu, Jun 7, 2012	210.45	210.45	203.96	205.55
5053	NASDAQ	ATRI	Wed, Jun 6, 2012	207.26	213.98	207.26	209.60
5052	NASDAQ	ATRI	Tue, Jun 5, 2012	204.41	208.96	204.41	206.10
5051	NASDAQ	ATRI	Mon, Jun 4, 2012	202.60	202.60	202.00	202.19
5050	NASDAQ	ATRI	Fri, Jun 1, 2012	197.75	205.00	197.75	200.53
5049	NASDAQ	ATRI	Thu, May 31, 2012	199.01	200.87	198.50	200.87
5048	NASDAQ	ATRI	Wed, May 30, 2012	199.01	200.78	199.01	199.01
5047	NASDAQ	ATRI	Tue, May 29, 2012	201.00	201.84	199.02	199.62
5046	NASDAQ	ATRI	Fri, May 25, 2012	205.84	205.84	202.40	202.40
5045	NASDAQ	ATRI	Thu, May 24, 2012	210.99	210.99	203.35	203.35
5044	NASDAQ	ATRI	Wed, May 23, 2012	209.46	215.38	205.27	211.00
5043	NASDAQ	ATRI	Tue, May 22, 2012	228.56	228.56	204.24	210.41
5042	NASDAQ	ATRI	Mon, May 21, 2012	228.32	231.13	228.32	231.13
5041	NASDAQ	ATRI	Fri, May 18, 2012	228.37	231.02	227.90	228.08
5040	NASDAQ	ATRI	Thu, May 17, 2012	230.00	231.76	228.72	230.00
5039	NASDAQ	ATRI	Wed, May 16, 2012	230.31	230.31	227.21	229.76
5038	NASDAQ	ATRI	Tue, May 15, 2012	229.63	234.30	229.56	230.69
5037	NASDAQ	ATRI	Mon, May 14, 2012	229.65	230.76	227.08	230.21
5036	NASDAQ	ATRI	Fri, May 11, 2012	234.00	234.00	228.47	231.68
5035	NASDAQ	ATRI	Thu, May 10, 2012	228.95	235.70	226.00	234.00
5034	NASDAQ	ATRI	Wed, May 9, 2012	228.58	230.00	228.58	229.31
5033	NASDAQ	ATRI	Tue, May 8, 2012	229.98	230.99	229.50	229.85
5032	NASDAQ	ATRI	Mon, May 7, 2012	228.90	231.00	228.90	230.71
5031	NASDAQ	ATRI	Fri, May 4, 2012	229.98	230.00	228.20	229.30
5030	NASDAQ	ATRI	Thu, May 3, 2012	228.11	231.99	226.34	229.21
5029	NASDAQ	ATRI	Wed, May 2, 2012	225.82	230.35	225.82	228.37
5028	NASDAQ	ATRI	Tue, May 1, 2012	230.11	230.22	228.38	228.38
5027	NASDAQ	ATRI	Mon, Apr 30, 2012	230.00	232.00	230.00	230.64
5026	NASDAQ	ATRI	Fri, Apr 27, 2012	231.03	232.99	230.75	231.02
5025	NASDAQ	ATRI	Thu, Apr 26, 2012	232.00	235.00	230.01	230.52
5024	NASDAQ	ATRI	Wed, Apr 25, 2012	223.33	234.99	222.95	233.78
5023	NASDAQ	ATRI	Tue, Apr 24, 2012	220.80	221.79	220.63	220.63
5022	NASDAQ	ATRI	Mon, Apr 23, 2012	217.01	220.01	216.20	220.01
5021	NASDAQ	ATRI	Fri, Apr 20, 2012	216.51	219.21	215.01	219.21
5020	NASDAQ	ATRI	Thu, Apr 19, 2012	214.21	214.21	210.16	213.12
5019	NASDAQ	ATRI	Wed, Apr 18, 2012	214.00	214.98	214.00	214.98
5018	NASDAQ	ATRI	Tue, Apr 17, 2012	210.11	215.10	210.06	214.05
5017	NASDAQ	ATRI	Mon, Apr 16, 2012	211.91	213.52	208.95	213.52
5016	NASDAQ	ATRI	Fri, Apr 13, 2012	216.46	216.46	210.00	210.85
5015	NASDAQ	ATRI	Thu, Apr 12, 2012	216.59	216.80	214.54	216.50
5014	NASDAQ	ATRI	Wed, Apr 11, 2012	212.57	216.48	212.57	216.48
5013	NASDAQ	ATRI	Tue, Apr 10, 2012	209.18	214.00	204.80	211.02
5012	NASDAQ	ATRI	Mon, Apr 9, 2012	209.52	210.95	205.00	208.41
5011	NASDAQ	ATRI	Thu, Apr 5, 2012	213.10	213.10	210.93	211.63
5010	NASDAQ	ATRI	Wed, Apr 4, 2012	211.54	214.91	211.11	212.10
5009	NASDAQ	ATRI	Tue, Apr 3, 2012	208.78	212.00	208.50	211.69
5008	NASDAQ	ATRI	Mon, Apr 2, 2012	209.18	211.91	207.54	211.91
5007	NASDAQ	ATRI	Fri, Mar 30, 2012	210.02	210.21	210.00	210.21
5006	NASDAQ	ATRI	Thu, Mar 29, 2012	210.07	212.74	210.07	210.26
5005	NASDAQ	ATRI	Wed, Mar 28, 2012	215.08	215.08	209.41	210.66
5004	NASDAQ	ATRI	Tue, Mar 27, 2012	221.29	222.00	213.21	213.56
5003	NASDAQ	ATRI	Mon, Mar 26, 2012	217.24	223.00	216.39	223.00
5002	NASDAQ	ATRI	Fri, Mar 23, 2012	213.00	216.53	213.00	216.39
5001	NASDAQ	ATRI	Thu, Mar 22, 2012	209.00	213.70	209.00	212.23
5000	NASDAQ	ATRI	Wed, Mar 21, 2012	207.98	209.50	207.85	209.50
4999	NASDAQ	ATRI	Tue, Mar 20, 2012	206.98	207.51	206.51	206.77
4998	NASDAQ	ATRI	Mon, Mar 19, 2012	206.12	207.50	204.95	207.36
4997	NASDAQ	ATRI	Fri, Mar 16, 2012	208.65	208.65	206.11	207.40
4996	NASDAQ	ATRI	Thu, Mar 15, 2012	207.88	208.95	207.03	208.00
4995	NASDAQ	ATRI	Wed, Mar 14, 2012	209.11	209.11	207.56	207.91
4994	NASDAQ	ATRI	Tue, Mar 13, 2012	211.41	211.41	207.25	209.56
4993	NASDAQ	ATRI	Mon, Mar 12, 2012	211.71	215.27	210.11	210.36
4992	NASDAQ	ATRI	Fri, Mar 9, 2012	209.31	211.80	209.31	210.99
4991	NASDAQ	ATRI	Thu, Mar 8, 2012	209.09	211.33	208.90	210.30
4990	NASDAQ	ATRI	Wed, Mar 7, 2012	204.87	211.32	203.00	209.00
4989	NASDAQ	ATRI	Tue, Mar 6, 2012	200.90	204.44	200.90	202.77
4988	NASDAQ	ATRI	Mon, Mar 5, 2012	198.47	201.99	197.11	201.41
4987	NASDAQ	ATRI	Fri, Mar 2, 2012	201.50	201.64	199.00	199.00
4986	NASDAQ	ATRI	Thu, Mar 1, 2012	207.10	207.10	200.80	201.00
4985	NASDAQ	ATRI	Wed, Feb 29, 2012	210.21	210.21	206.00	206.00
4984	NASDAQ	ATRI	Tue, Feb 28, 2012	210.00	212.88	209.00	210.71
4983	NASDAQ	ATRI	Mon, Feb 27, 2012	210.95	212.91	209.18	209.18
4982	NASDAQ	ATRI	Fri, Feb 24, 2012	212.22	215.40	210.50	210.50
4981	NASDAQ	ATRI	Thu, Feb 23, 2012	210.00	217.00	209.01	211.80
4980	NASDAQ	ATRI	Wed, Feb 22, 2012	246.00	246.00	205.20	209.75
4979	NASDAQ	ATRI	Tue, Feb 21, 2012	254.36	254.36	246.07	248.48
4978	NASDAQ	ATRI	Fri, Feb 17, 2012	244.89	249.12	230.51	246.99
4977	NASDAQ	ATRI	Thu, Feb 16, 2012	248.26	252.87	243.37	243.75
4976	NASDAQ	ATRI	Wed, Feb 15, 2012	252.36	252.36	246.18	248.65
4975	NASDAQ	ATRI	Tue, Feb 14, 2012	255.59	255.59	251.61	251.69
4974	NASDAQ	ATRI	Mon, Feb 13, 2012	256.08	260.00	256.00	257.43
4973	NASDAQ	ATRI	Fri, Feb 10, 2012	256.63	259.58	256.00	256.26
4972	NASDAQ	ATRI	Thu, Feb 9, 2012	259.54	260.30	257.94	257.94
4971	NASDAQ	ATRI	Wed, Feb 8, 2012	260.00	261.59	259.86	261.59
4970	NASDAQ	ATRI	Tue, Feb 7, 2012	261.98	261.98	257.03	259.21
4969	NASDAQ	ATRI	Mon, Feb 6, 2012	257.75	260.98	257.75	260.90
4968	NASDAQ	ATRI	Fri, Feb 3, 2012	251.93	259.01	251.93	259.01
4967	NASDAQ	ATRI	Thu, Feb 2, 2012	249.84	251.47	246.52	249.84
4966	NASDAQ	ATRI	Wed, Feb 1, 2012	244.55	250.00	244.55	249.74
4965	NASDAQ	ATRI	Tue, Jan 31, 2012	242.37	245.00	241.92	244.39
4964	NASDAQ	ATRI	Mon, Jan 30, 2012	240.22	243.71	240.22	243.11
4963	NASDAQ	ATRI	Fri, Jan 27, 2012	241.15	244.69	241.15	242.45
4962	NASDAQ	ATRI	Thu, Jan 26, 2012	244.23	244.81	240.66	242.96
4961	NASDAQ	ATRI	Wed, Jan 25, 2012	239.00	242.35	238.68	242.35
4960	NASDAQ	ATRI	Tue, Jan 24, 2012	238.82	241.09	238.82	239.80
4959	NASDAQ	ATRI	Mon, Jan 23, 2012	242.83	242.83	238.48	239.65
4958	NASDAQ	ATRI	Fri, Jan 20, 2012	238.94	240.34	237.14	240.25
4957	NASDAQ	ATRI	Thu, Jan 19, 2012	239.22	239.22	238.47	238.47
4956	NASDAQ	ATRI	Wed, Jan 18, 2012	239.14	240.79	239.14	239.99
4955	NASDAQ	ATRI	Tue, Jan 17, 2012	239.26	241.20	238.79	239.13
4954	NASDAQ	ATRI	Fri, Jan 13, 2012	240.46	241.64	237.08	238.07
4953	NASDAQ	ATRI	Thu, Jan 12, 2012	240.72	243.71	240.72	243.14
4952	NASDAQ	ATRI	Wed, Jan 11, 2012	240.71	241.77	239.64	241.77
4951	NASDAQ	ATRI	Tue, Jan 10, 2012	239.38	241.65	239.38	241.65
4950	NASDAQ	ATRI	Mon, Jan 9, 2012	241.65	241.65	236.01	237.99
4949	NASDAQ	ATRI	Fri, Jan 6, 2012	238.00	241.70	238.00	239.00
4948	NASDAQ	ATRI	Thu, Jan 5, 2012	236.31	240.45	236.10	240.45
4947	NASDAQ	ATRI	Wed, Jan 4, 2012	236.29	240.39	236.07	238.50
4946	NASDAQ	ATRI	Tue, Jan 3, 2012	241.11	241.95	238.81	240.60
4945	NASDAQ	ATRI	Fri, Dec 30, 2011	242.68	242.68	240.23	240.23
4944	NASDAQ	ATRI	Thu, Dec 29, 2011	238.81	242.49	238.81	242.49
4943	NASDAQ	ATRI	Wed, Dec 28, 2011	238.05	239.83	238.05	238.15
4942	NASDAQ	ATRI	Tue, Dec 27, 2011	242.40	242.40	240.06	241.22
4941	NASDAQ	ATRI	Fri, Dec 23, 2011	242.38	243.86	240.26	243.20
4940	NASDAQ	ATRI	Thu, Dec 22, 2011	242.64	242.64	241.31	242.38
4939	NASDAQ	ATRI	Wed, Dec 21, 2011	240.66	242.59	238.80	241.21
4938	NASDAQ	ATRI	Tue, Dec 20, 2011	240.00	242.63	239.00	241.53
4937	NASDAQ	ATRI	Mon, Dec 19, 2011	238.56	241.90	234.35	234.35
4936	NASDAQ	ATRI	Fri, Dec 16, 2011	243.78	243.78	237.09	239.43
4935	NASDAQ	ATRI	Thu, Dec 15, 2011	239.50	242.99	239.30	242.56
4934	NASDAQ	ATRI	Wed, Dec 14, 2011	239.50	239.50	237.61	239.50
4933	NASDAQ	ATRI	Tue, Dec 13, 2011	241.70	244.30	235.71	235.71
4932	NASDAQ	ATRI	Mon, Dec 12, 2011	240.71	241.20	236.97	241.20
4931	NASDAQ	ATRI	Fri, Dec 9, 2011	237.74	243.33	237.00	243.13
4930	NASDAQ	ATRI	Thu, Dec 8, 2011	232.00	234.90	232.00	234.55
4929	NASDAQ	ATRI	Wed, Dec 7, 2011	237.03	237.64	234.61	237.64
4928	NASDAQ	ATRI	Tue, Dec 6, 2011	237.37	238.58	233.25	236.51
4927	NASDAQ	ATRI	Mon, Dec 5, 2011	237.58	239.65	235.31	237.74
4926	NASDAQ	ATRI	Fri, Dec 2, 2011	238.72	238.72	234.39	234.99
4925	NASDAQ	ATRI	Thu, Dec 1, 2011	243.21	243.21	236.19	236.19
4924	NASDAQ	ATRI	Wed, Nov 30, 2011	236.51	242.82	236.51	242.82
4923	NASDAQ	ATRI	Tue, Nov 29, 2011	233.48	235.98	231.31	231.31
4922	NASDAQ	ATRI	Mon, Nov 28, 2011	232.00	232.47	229.15	232.47
4921	NASDAQ	ATRI	Fri, Nov 25, 2011	225.00	230.52	225.00	228.97
4920	NASDAQ	ATRI	Wed, Nov 23, 2011	227.51	228.66	225.30	225.30
4919	NASDAQ	ATRI	Tue, Nov 22, 2011	228.56	230.44	227.15	227.15
4918	NASDAQ	ATRI	Mon, Nov 21, 2011	226.98	226.98	223.36	226.54
4917	NASDAQ	ATRI	Fri, Nov 18, 2011	230.41	230.41	227.06	228.37
4916	NASDAQ	ATRI	Thu, Nov 17, 2011	230.41	232.88	227.56	229.93
4915	NASDAQ	ATRI	Wed, Nov 16, 2011	231.00	233.88	228.61	228.61
4914	NASDAQ	ATRI	Tue, Nov 15, 2011	232.88	232.88	232.87	232.87
4913	NASDAQ	ATRI	Mon, Nov 14, 2011	230.58	231.59	230.36	231.59
4912	NASDAQ	ATRI	Fri, Nov 11, 2011	232.00	233.40	228.55	233.40
4911	NASDAQ	ATRI	Thu, Nov 10, 2011	226.51	229.87	226.51	228.89
4910	NASDAQ	ATRI	Wed, Nov 9, 2011	225.54	227.98	223.31	223.34
4909	NASDAQ	ATRI	Tue, Nov 8, 2011	225.45	230.44	225.45	230.44
4908	NASDAQ	ATRI	Mon, Nov 7, 2011	220.00	224.21	219.57	223.05
4907	NASDAQ	ATRI	Fri, Nov 4, 2011	220.57	220.70	220.40	220.40
4906	NASDAQ	ATRI	Thu, Nov 3, 2011	222.26	223.50	220.77	222.80
4905	NASDAQ	ATRI	Wed, Nov 2, 2011	223.80	225.85	221.49	221.49
4904	NASDAQ	ATRI	Tue, Nov 1, 2011	219.07	226.89	219.07	221.49
4903	NASDAQ	ATRI	Mon, Oct 31, 2011	221.99	226.97	219.78	225.00
4902	NASDAQ	ATRI	Fri, Oct 28, 2011	226.97	228.39	223.27	224.75
4901	NASDAQ	ATRI	Thu, Oct 27, 2011	230.81	230.81	225.14	227.40
4900	NASDAQ	ATRI	Wed, Oct 26, 2011	225.96	226.93	219.20	223.99
4899	NASDAQ	ATRI	Tue, Oct 25, 2011	227.19	229.95	223.52	223.52
4898	NASDAQ	ATRI	Mon, Oct 24, 2011	228.45	229.37	226.03	229.37
4897	NASDAQ	ATRI	Fri, Oct 21, 2011	225.05	227.81	225.00	227.81
4896	NASDAQ	ATRI	Thu, Oct 20, 2011	225.13	226.25	218.41	221.51
4895	NASDAQ	ATRI	Wed, Oct 19, 2011	223.85	223.85	223.85	223.85
4894	NASDAQ	ATRI	Tue, Oct 18, 2011	218.04	226.88	218.04	226.09
4893	NASDAQ	ATRI	Mon, Oct 17, 2011	226.48	226.94	218.53	218.53
4892	NASDAQ	ATRI	Fri, Oct 14, 2011	225.00	227.99	225.00	227.93
4891	NASDAQ	ATRI	Thu, Oct 13, 2011	221.80	226.47	221.45	224.26
4890	NASDAQ	ATRI	Wed, Oct 12, 2011	222.65	225.00	219.00	224.49
4889	NASDAQ	ATRI	Tue, Oct 11, 2011	215.05	219.67	215.05	219.67
4888	NASDAQ	ATRI	Mon, Oct 10, 2011	216.81	217.94	214.08	216.00
4887	NASDAQ	ATRI	Fri, Oct 7, 2011	217.79	217.79	212.00	212.00
4886	NASDAQ	ATRI	Thu, Oct 6, 2011	215.31	218.31	215.25	218.31
4885	NASDAQ	ATRI	Wed, Oct 5, 2011	210.03	216.11	210.03	215.82
4884	NASDAQ	ATRI	Tue, Oct 4, 2011	200.99	214.95	200.99	213.58
4883	NASDAQ	ATRI	Mon, Oct 3, 2011	207.39	208.96	200.95	200.95
4882	NASDAQ	ATRI	Fri, Sep 30, 2011	208.70	208.70	206.78	207.39
4881	NASDAQ	ATRI	Thu, Sep 29, 2011	206.66	207.60	203.74	206.00
4880	NASDAQ	ATRI	Wed, Sep 28, 2011	208.01	210.36	202.33	202.33
4879	NASDAQ	ATRI	Tue, Sep 27, 2011	206.24	211.81	204.53	209.68
4878	NASDAQ	ATRI	Mon, Sep 26, 2011	198.84	203.31	198.25	203.31
4877	NASDAQ	ATRI	Fri, Sep 23, 2011	189.61	196.46	189.61	196.46
4876	NASDAQ	ATRI	Thu, Sep 22, 2011	193.65	197.58	189.12	189.12
4875	NASDAQ	ATRI	Wed, Sep 21, 2011	197.30	198.50	194.65	194.65
4874	NASDAQ	ATRI	Tue, Sep 20, 2011	199.11	202.45	198.75	198.76
4873	NASDAQ	ATRI	Mon, Sep 19, 2011	200.00	202.47	198.41	199.23
4872	NASDAQ	ATRI	Fri, Sep 16, 2011	210.73	210.73	203.72	204.42
4871	NASDAQ	ATRI	Thu, Sep 15, 2011	207.97	210.68	204.14	209.00
4870	NASDAQ	ATRI	Wed, Sep 14, 2011	202.55	208.95	201.55	208.19
4869	NASDAQ	ATRI	Tue, Sep 13, 2011	194.46	202.40	194.46	202.34
4868	NASDAQ	ATRI	Mon, Sep 12, 2011	199.45	199.45	192.65	193.91
4867	NASDAQ	ATRI	Fri, Sep 9, 2011	198.98	201.89	194.43	194.43
4866	NASDAQ	ATRI	Thu, Sep 8, 2011	204.57	208.39	200.88	200.88
4865	NASDAQ	ATRI	Wed, Sep 7, 2011	204.00	207.51	202.07	206.93
4864	NASDAQ	ATRI	Tue, Sep 6, 2011	200.95	206.35	197.40	201.02
4863	NASDAQ	ATRI	Fri, Sep 2, 2011	209.57	209.57	202.43	204.25
4862	NASDAQ	ATRI	Thu, Sep 1, 2011	214.90	214.90	208.11	210.46
4861	NASDAQ	ATRI	Wed, Aug 31, 2011	215.75	218.98	214.00	214.16
4860	NASDAQ	ATRI	Tue, Aug 30, 2011	212.94	214.99	210.28	214.99
4859	NASDAQ	ATRI	Mon, Aug 29, 2011	207.58	213.50	207.49	213.41
4858	NASDAQ	ATRI	Fri, Aug 26, 2011	199.90	206.92	199.90	206.92
4857	NASDAQ	ATRI	Thu, Aug 25, 2011	203.51	203.51	199.76	200.44
4856	NASDAQ	ATRI	Wed, Aug 24, 2011	201.27	203.56	199.07	203.56
4855	NASDAQ	ATRI	Tue, Aug 23, 2011	194.49	202.28	193.50	202.28
4854	NASDAQ	ATRI	Mon, Aug 22, 2011	194.45	194.51	190.01	192.85
4853	NASDAQ	ATRI	Fri, Aug 19, 2011	187.99	193.22	187.42	192.88
4852	NASDAQ	ATRI	Thu, Aug 18, 2011	191.37	193.21	187.86	189.10
4851	NASDAQ	ATRI	Wed, Aug 17, 2011	194.89	196.00	192.81	195.13
4850	NASDAQ	ATRI	Tue, Aug 16, 2011	198.25	198.88	192.30	192.33
4849	NASDAQ	ATRI	Mon, Aug 15, 2011	201.30	202.16	200.21	200.70
4848	NASDAQ	ATRI	Fri, Aug 12, 2011	198.31	205.80	197.20	199.16
4847	NASDAQ	ATRI	Thu, Aug 11, 2011	198.00	203.10	194.25	202.35
4846	NASDAQ	ATRI	Wed, Aug 10, 2011	197.88	200.51	194.00	198.00
4845	NASDAQ	ATRI	Tue, Aug 9, 2011	190.49	203.00	187.78	201.20
4844	NASDAQ	ATRI	Mon, Aug 8, 2011	193.40	203.99	186.22	186.22
4843	NASDAQ	ATRI	Fri, Aug 5, 2011	199.96	199.96	195.00	195.00
4842	NASDAQ	ATRI	Thu, Aug 4, 2011	196.00	197.91	195.00	195.51
4841	NASDAQ	ATRI	Wed, Aug 3, 2011	196.59	198.63	196.29	196.29
4840	NASDAQ	ATRI	Tue, Aug 2, 2011	198.70	199.88	196.09	196.09
4839	NASDAQ	ATRI	Mon, Aug 1, 2011	200.50	200.70	196.79	197.77
4838	NASDAQ	ATRI	Fri, Jul 29, 2011	202.99	202.99	195.58	200.49
4837	NASDAQ	ATRI	Thu, Jul 28, 2011	202.75	205.50	199.90	204.80
4836	NASDAQ	ATRI	Wed, Jul 27, 2011	207.71	207.71	199.44	201.61
4835	NASDAQ	ATRI	Tue, Jul 26, 2011	212.31	212.31	207.13	207.13
4834	NASDAQ	ATRI	Mon, Jul 25, 2011	211.93	213.16	210.92	210.92
4833	NASDAQ	ATRI	Fri, Jul 22, 2011	213.81	213.81	211.12	212.81
4832	NASDAQ	ATRI	Thu, Jul 21, 2011	217.16	217.18	210.20	212.90
4831	NASDAQ	ATRI	Wed, Jul 20, 2011	216.47	219.06	213.58	217.11
4830	NASDAQ	ATRI	Tue, Jul 19, 2011	209.98	218.69	209.98	216.54
4829	NASDAQ	ATRI	Mon, Jul 18, 2011	209.97	213.40	205.81	208.74
4828	NASDAQ	ATRI	Fri, Jul 15, 2011	205.33	211.38	205.10	211.38
4827	NASDAQ	ATRI	Thu, Jul 14, 2011	202.20	205.55	202.20	204.86
4826	NASDAQ	ATRI	Wed, Jul 13, 2011	199.59	204.65	198.67	203.57
4825	NASDAQ	ATRI	Tue, Jul 12, 2011	200.45	200.74	199.30	199.30
4824	NASDAQ	ATRI	Mon, Jul 11, 2011	201.05	202.74	200.36	201.49
4823	NASDAQ	ATRI	Fri, Jul 8, 2011	201.76	204.34	200.76	203.45
4822	NASDAQ	ATRI	Thu, Jul 7, 2011	202.41	204.40	200.03	203.79
4821	NASDAQ	ATRI	Wed, Jul 6, 2011	199.40	202.88	199.14	201.88
4820	NASDAQ	ATRI	Tue, Jul 5, 2011	199.14	199.31	194.86	199.30
4819	NASDAQ	ATRI	Fri, Jul 1, 2011	197.15	198.61	194.69	198.61
4818	NASDAQ	ATRI	Thu, Jun 30, 2011	197.44	198.79	196.76	197.80
4817	NASDAQ	ATRI	Wed, Jun 29, 2011	198.50	199.88	196.20	197.07
4816	NASDAQ	ATRI	Tue, Jun 28, 2011	195.22	200.56	194.50	199.72
4815	NASDAQ	ATRI	Mon, Jun 27, 2011	189.80	196.17	189.80	195.35
4814	NASDAQ	ATRI	Fri, Jun 24, 2011	187.17	190.32	187.17	189.79
4813	NASDAQ	ATRI	Thu, Jun 23, 2011	186.00	187.42	183.83	187.42
4812	NASDAQ	ATRI	Wed, Jun 22, 2011	189.18	190.63	187.23	187.23
4811	NASDAQ	ATRI	Tue, Jun 21, 2011	187.86	190.64	186.85	190.64
4810	NASDAQ	ATRI	Mon, Jun 20, 2011	184.50	187.20	181.83	187.20
4809	NASDAQ	ATRI	Fri, Jun 17, 2011	184.00	184.43	180.91	184.43
4808	NASDAQ	ATRI	Thu, Jun 16, 2011	180.26	183.45	180.26	183.45
4807	NASDAQ	ATRI	Wed, Jun 15, 2011	176.82	180.65	174.94	180.14
4806	NASDAQ	ATRI	Tue, Jun 14, 2011	177.82	177.82	177.00	177.82
4805	NASDAQ	ATRI	Mon, Jun 13, 2011	174.23	177.32	174.12	174.12
4804	NASDAQ	ATRI	Fri, Jun 10, 2011	174.11	175.00	174.11	174.15
4803	NASDAQ	ATRI	Thu, Jun 9, 2011	173.57	176.77	173.43	175.00
4802	NASDAQ	ATRI	Wed, Jun 8, 2011	175.24	175.24	172.32	173.25
4801	NASDAQ	ATRI	Tue, Jun 7, 2011	172.83	176.31	171.68	176.31
4800	NASDAQ	ATRI	Mon, Jun 6, 2011	174.00	174.80	173.00	173.10
4799	NASDAQ	ATRI	Fri, Jun 3, 2011	183.88	183.88	175.06	175.10
4798	NASDAQ	ATRI	Thu, Jun 2, 2011	180.87	180.87	180.50	180.50
4797	NASDAQ	ATRI	Wed, Jun 1, 2011	183.89	184.64	180.26	180.26
4796	NASDAQ	ATRI	Tue, May 31, 2011	184.79	185.00	182.17	184.84
4795	NASDAQ	ATRI	Fri, May 27, 2011	182.56	183.87	181.35	183.87
4794	NASDAQ	ATRI	Thu, May 26, 2011	178.50	182.81	177.83	181.44
4793	NASDAQ	ATRI	Wed, May 25, 2011	176.44	178.37	176.44	178.37
4792	NASDAQ	ATRI	Tue, May 24, 2011	174.77	176.18	174.00	174.11
4791	NASDAQ	ATRI	Mon, May 23, 2011	173.10	176.46	173.10	175.32
4790	NASDAQ	ATRI	Fri, May 20, 2011	175.27	177.00	174.00	174.97
4789	NASDAQ	ATRI	Thu, May 19, 2011	177.44	176.94	176.20	176.23
4788	NASDAQ	ATRI	Wed, May 18, 2011	172.44	176.59	173.25	176.59
4787	NASDAQ	ATRI	Tue, May 17, 2011	171.70	172.79	171.53	172.49
4786	NASDAQ	ATRI	Mon, May 16, 2011	171.08	172.88	171.08	172.00
4785	NASDAQ	ATRI	Fri, May 13, 2011	173.61	173.61	171.50	171.59
4784	NASDAQ	ATRI	Thu, May 12, 2011	171.30	173.13	171.00	173.13
4783	NASDAQ	ATRI	Wed, May 11, 2011	173.14	173.47	171.75	171.75
4782	NASDAQ	ATRI	Tue, May 10, 2011	168.88	171.90	167.73	171.56
4781	NASDAQ	ATRI	Mon, May 9, 2011	167.00	167.50	166.50	166.94
4780	NASDAQ	ATRI	Fri, May 6, 2011	168.04	168.63	167.22	167.22
4779	NASDAQ	ATRI	Thu, May 5, 2011	167.00	167.23	165.76	167.00
4778	NASDAQ	ATRI	Wed, May 4, 2011	168.22	168.06	165.98	166.75
4777	NASDAQ	ATRI	Tue, May 3, 2011	171.54	172.00	167.95	168.38
4776	NASDAQ	ATRI	Mon, May 2, 2011	173.50	173.50	172.65	172.65
4775	NASDAQ	ATRI	Fri, Apr 29, 2011	171.68	173.33	171.87	173.15
4774	NASDAQ	ATRI	Thu, Apr 28, 2011	169.01	172.71	171.06	172.34
4773	NASDAQ	ATRI	Wed, Apr 27, 2011	167.43	170.23	169.27	170.23
4772	NASDAQ	ATRI	Tue, Apr 26, 2011	167.01	169.79	167.10	168.32
4771	NASDAQ	ATRI	Mon, Apr 25, 2011	167.27	168.50	165.92	167.00
4770	NASDAQ	ATRI	Thu, Apr 21, 2011	168.25	168.25	167.55	168.05
4769	NASDAQ	ATRI	Wed, Apr 20, 2011	169.90	169.90	167.64	168.61
4768	NASDAQ	ATRI	Tue, Apr 19, 2011	167.99	169.75	166.33	168.77
4767	NASDAQ	ATRI	Mon, Apr 18, 2011	168.97	169.22	166.27	166.27
4766	NASDAQ	ATRI	Fri, Apr 15, 2011	171.47	171.85	168.43	170.39
4765	NASDAQ	ATRI	Thu, Apr 14, 2011	172.03	172.35	171.00	171.82
4764	NASDAQ	ATRI	Wed, Apr 13, 2011	179.69	178.02	173.44	173.44
4763	NASDAQ	ATRI	Tue, Apr 12, 2011	180.24	181.60	178.00	178.96
4762	NASDAQ	ATRI	Mon, Apr 11, 2011	179.53	180.99	180.51	180.99
4761	NASDAQ	ATRI	Fri, Apr 8, 2011	184.00	182.19	179.17	179.17
4760	NASDAQ	ATRI	Thu, Apr 7, 2011	183.05	184.50	182.50	182.78
4759	NASDAQ	ATRI	Wed, Apr 6, 2011	181.32	182.95	181.00	182.95
4758	NASDAQ	ATRI	Tue, Apr 5, 2011	180.61	181.28	179.71	180.48
4757	NASDAQ	ATRI	Mon, Apr 4, 2011	177.67	180.61	177.67	180.56
4756	NASDAQ	ATRI	Fri, Apr 1, 2011	173.50	178.42	173.50	178.01
4755	NASDAQ	ATRI	Thu, Mar 31, 2011	172.20	174.47	172.21	174.47
4754	NASDAQ	ATRI	Wed, Mar 30, 2011	171.66	172.32	170.36	172.32
4753	NASDAQ	ATRI	Tue, Mar 29, 2011	171.44	172.30	169.62	170.95
4752	NASDAQ	ATRI	Mon, Mar 28, 2011	174.80	174.21	173.74	174.21
4751	NASDAQ	ATRI	Fri, Mar 25, 2011	172.86	174.36	172.35	174.05
4750	NASDAQ	ATRI	Thu, Mar 24, 2011	174.81	174.81	172.00	173.44
4749	NASDAQ	ATRI	Wed, Mar 23, 2011	171.38	174.09	171.38	174.09
4748	NASDAQ	ATRI	Mon, Mar 21, 2011	168.51	171.79	166.79	171.79
4747	NASDAQ	ATRI	Fri, Mar 18, 2011	165.33	166.42	164.35	166.42
4746	NASDAQ	ATRI	Thu, Mar 17, 2011	164.07	166.06	164.00	164.49
4745	NASDAQ	ATRI	Wed, Mar 16, 2011	166.35	166.41	163.80	163.80
4744	NASDAQ	ATRI	Tue, Mar 15, 2011	166.58	168.36	166.00	167.78
4743	NASDAQ	ATRI	Mon, Mar 14, 2011	168.42	169.52	166.71	167.73
4742	NASDAQ	ATRI	Fri, Mar 11, 2011	168.45	169.83	168.45	168.97
4741	NASDAQ	ATRI	Thu, Mar 10, 2011	170.53	170.60	168.93	168.93
4740	NASDAQ	ATRI	Wed, Mar 9, 2011	171.61	172.13	171.54	171.66
4739	NASDAQ	ATRI	Tue, Mar 8, 2011	173.68	173.68	172.43	172.43
4738	NASDAQ	ATRI	Mon, Mar 7, 2011	172.45	173.42	172.45	172.77
4737	NASDAQ	ATRI	Fri, Mar 4, 2011	174.56	174.56	173.01	174.10
4736	NASDAQ	ATRI	Thu, Mar 3, 2011	173.55	174.74	172.95	174.74
4735	NASDAQ	ATRI	Wed, Mar 2, 2011	172.57	173.59	171.91	173.59
4734	NASDAQ	ATRI	Tue, Mar 1, 2011	177.13	177.13	171.51	172.57
4733	NASDAQ	ATRI	Mon, Feb 28, 2011	175.00	176.34	172.74	176.34
4732	NASDAQ	ATRI	Fri, Feb 25, 2011	172.54	173.93	171.85	173.93
4731	NASDAQ	ATRI	Thu, Feb 24, 2011	172.00	173.53	172.00	173.53
4730	NASDAQ	ATRI	Wed, Feb 23, 2011	174.53	174.53	172.40	172.53
4729	NASDAQ	ATRI	Tue, Feb 22, 2011	177.99	177.99	171.27	173.66
4728	NASDAQ	ATRI	Fri, Feb 18, 2011	173.03	173.65	170.16	173.65
4727	NASDAQ	ATRI	Thu, Feb 17, 2011	171.50	174.45	170.56	174.45
4726	NASDAQ	ATRI	Wed, Feb 16, 2011	173.64	174.32	172.51	174.32
4725	NASDAQ	ATRI	Tue, Feb 15, 2011	175.36	176.98	173.05	173.44
4724	NASDAQ	ATRI	Mon, Feb 14, 2011	177.45	177.45	172.79	172.79
4723	NASDAQ	ATRI	Fri, Feb 11, 2011	169.17	172.95	169.17	172.95
4722	NASDAQ	ATRI	Thu, Feb 10, 2011	169.72	169.87	169.00	169.00
4721	NASDAQ	ATRI	Wed, Feb 9, 2011	167.42	172.00	167.42	170.45
4720	NASDAQ	ATRI	Tue, Feb 8, 2011	169.88	169.88	168.41	169.00
4719	NASDAQ	ATRI	Mon, Feb 7, 2011	170.74	170.74	168.11	168.94
4718	NASDAQ	ATRI	Fri, Feb 4, 2011	170.60	174.79	168.78	168.78
4717	NASDAQ	ATRI	Thu, Feb 3, 2011	170.62	171.97	170.62	171.97
4716	NASDAQ	ATRI	Wed, Feb 2, 2011	171.25	172.05	168.67	172.05
4715	NASDAQ	ATRI	Tue, Feb 1, 2011	169.90	172.01	169.90	172.01
4714	NASDAQ	ATRI	Mon, Jan 31, 2011	169.98	171.50	166.00	167.66
4713	NASDAQ	ATRI	Fri, Jan 28, 2011	178.97	178.97	166.11	166.11
4712	NASDAQ	ATRI	Thu, Jan 27, 2011	182.90	183.00	180.35	181.07
4711	NASDAQ	ATRI	Wed, Jan 26, 2011	181.81	182.86	181.81	182.86
4710	NASDAQ	ATRI	Tue, Jan 25, 2011	179.96	180.97	178.91	180.97
4709	NASDAQ	ATRI	Mon, Jan 24, 2011	179.88	181.39	175.48	179.30
4708	NASDAQ	ATRI	Fri, Jan 21, 2011	182.69	183.18	180.00	181.00
4707	NASDAQ	ATRI	Thu, Jan 20, 2011	181.07	185.74	181.07	181.25
4706	NASDAQ	ATRI	Wed, Jan 19, 2011	181.47	183.60	180.50	180.50
4705	NASDAQ	ATRI	Tue, Jan 18, 2011	184.00	185.84	184.00	185.84
4704	NASDAQ	ATRI	Fri, Jan 14, 2011	184.74	185.50	180.05	185.00
4703	NASDAQ	ATRI	Thu, Jan 13, 2011	183.90	184.98	183.15	184.98
4702	NASDAQ	ATRI	Wed, Jan 12, 2011	184.52	184.52	182.55	182.55
4701	NASDAQ	ATRI	Tue, Jan 11, 2011	184.00	184.55	184.00	184.55
4700	NASDAQ	ATRI	Mon, Jan 10, 2011	180.08	181.75	180.08	181.75
4699	NASDAQ	ATRI	Fri, Jan 7, 2011	181.30	182.90	180.01	181.20
4698	NASDAQ	ATRI	Thu, Jan 6, 2011	181.55	183.47	181.55	183.45
4697	NASDAQ	ATRI	Wed, Jan 5, 2011	183.48	185.68	181.00	182.71
4696	NASDAQ	ATRI	Tue, Jan 4, 2011	187.00	187.00	184.26	184.30
4695	NASDAQ	ATRI	Mon, Jan 3, 2011	179.56	187.22	179.56	187.22
4694	NASDAQ	ATRI	Fri, Dec 31, 2010	182.20	182.20	179.46	179.46
4693	NASDAQ	ATRI	Thu, Dec 30, 2010	183.95	183.95	183.32	183.32
4692	NASDAQ	ATRI	Wed, Dec 29, 2010	181.97	184.99	181.66	184.13
4691	NASDAQ	ATRI	Tue, Dec 28, 2010	177.52	180.80	175.75	180.80
4690	NASDAQ	ATRI	Mon, Dec 27, 2010	181.99	181.99	176.94	178.17
4689	NASDAQ	ATRI	Thu, Dec 23, 2010	183.45	183.50	182.98	183.00
4688	NASDAQ	ATRI	Wed, Dec 22, 2010	179.31	184.75	178.60	183.91
4687	NASDAQ	ATRI	Tue, Dec 21, 2010	176.46	178.61	174.66	178.61
4686	NASDAQ	ATRI	Mon, Dec 20, 2010	173.28	177.00	172.03	175.01
4685	NASDAQ	ATRI	Fri, Dec 17, 2010	172.18	173.38	169.13	173.38
4684	NASDAQ	ATRI	Thu, Dec 16, 2010	171.00	173.38	168.75	172.54
4683	NASDAQ	ATRI	Wed, Dec 15, 2010	169.17	170.10	165.21	168.24
4682	NASDAQ	ATRI	Tue, Dec 14, 2010	173.32	173.32	163.11	170.58
4681	NASDAQ	ATRI	Mon, Dec 13, 2010	174.60	175.10	167.85	171.93
4680	NASDAQ	ATRI	Fri, Dec 10, 2010	173.25	173.38	171.55	173.35
4679	NASDAQ	ATRI	Thu, Dec 9, 2010	171.15	171.15	166.01	170.50
4678	NASDAQ	ATRI	Wed, Dec 8, 2010	177.50	177.50	166.90	173.47
4677	NASDAQ	ATRI	Tue, Dec 7, 2010	173.12	180.11	172.58	175.89
4676	NASDAQ	ATRI	Mon, Dec 6, 2010	168.51	171.98	163.08	171.40
4675	NASDAQ	ATRI	Fri, Dec 3, 2010	171.65	171.80	168.21	170.31
4674	NASDAQ	ATRI	Thu, Dec 2, 2010	172.15	178.25	166.50	168.80
4673	NASDAQ	ATRI	Wed, Dec 1, 2010	169.41	172.00	169.40	171.80
4672	NASDAQ	ATRI	Tue, Nov 30, 2010	163.81	165.70	161.00	164.14
4671	NASDAQ	ATRI	Mon, Nov 29, 2010	164.00	164.00	164.00	164.00
4670	NASDAQ	ATRI	Wed, Nov 24, 2010	160.60	165.30	160.60	163.20
4669	NASDAQ	ATRI	Tue, Nov 23, 2010	161.24	161.55	161.24	161.55
4668	NASDAQ	ATRI	Mon, Nov 22, 2010	162.34	162.34	162.34	162.34
4667	NASDAQ	ATRI	Fri, Nov 19, 2010	162.91	165.80	160.25	161.60
4666	NASDAQ	ATRI	Thu, Nov 18, 2010	160.00	163.14	160.00	163.14
4665	NASDAQ	ATRI	Wed, Nov 17, 2010	156.82	160.00	156.31	160.00
4664	NASDAQ	ATRI	Tue, Nov 16, 2010	158.79	158.79	156.71	156.71
4663	NASDAQ	ATRI	Mon, Nov 15, 2010	160.27	162.80	157.00	160.05
4662	NASDAQ	ATRI	Fri, Nov 12, 2010	161.09	161.70	157.99	157.99
4661	NASDAQ	ATRI	Thu, Nov 11, 2010	160.81	164.00	158.01	160.51
4660	NASDAQ	ATRI	Wed, Nov 10, 2010	160.55	166.42	160.55	163.00
4659	NASDAQ	ATRI	Tue, Nov 9, 2010	166.76	166.76	158.91	161.51
4658	NASDAQ	ATRI	Mon, Nov 8, 2010	168.26	168.53	166.49	168.53
4657	NASDAQ	ATRI	Fri, Nov 5, 2010	165.74	171.00	164.56	171.00
4656	NASDAQ	ATRI	Thu, Nov 4, 2010	163.90	165.25	162.94	165.25
4655	NASDAQ	ATRI	Wed, Nov 3, 2010	162.51	163.50	162.40	163.50
4654	NASDAQ	ATRI	Tue, Nov 2, 2010	158.55	162.40	158.55	162.40
4653	NASDAQ	ATRI	Mon, Nov 1, 2010	158.15	158.15	158.15	158.15
4652	NASDAQ	ATRI	Fri, Oct 29, 2010	162.71	163.25	162.71	162.88
4651	NASDAQ	ATRI	Thu, Oct 28, 2010	162.01	163.48	161.75	161.75
4650	NASDAQ	ATRI	Wed, Oct 27, 2010	162.01	163.00	162.01	162.06
4649	NASDAQ	ATRI	Tue, Oct 26, 2010	163.00	163.00	161.80	162.71
4648	NASDAQ	ATRI	Mon, Oct 25, 2010	162.25	163.75	162.25	163.59
4647	NASDAQ	ATRI	Fri, Oct 22, 2010	161.00	162.31	161.00	161.44
4646	NASDAQ	ATRI	Thu, Oct 21, 2010	162.76	162.76	161.03	161.03
4645	NASDAQ	ATRI	Wed, Oct 20, 2010	161.29	162.50	161.29	162.50
4644	NASDAQ	ATRI	Tue, Oct 19, 2010	159.31	161.00	159.31	160.91
4643	NASDAQ	ATRI	Mon, Oct 18, 2010	158.61	161.00	158.61	160.91
4642	NASDAQ	ATRI	Fri, Oct 15, 2010	160.15	160.15	158.05	158.76
4641	NASDAQ	ATRI	Thu, Oct 14, 2010	160.79	160.79	157.02	157.07
4640	NASDAQ	ATRI	Wed, Oct 13, 2010	156.17	160.79	156.17	160.79
4639	NASDAQ	ATRI	Tue, Oct 12, 2010	157.31	157.97	155.30	157.78
4638	NASDAQ	ATRI	Mon, Oct 11, 2010	158.99	159.50	158.99	159.45
4637	NASDAQ	ATRI	Fri, Oct 8, 2010	157.00	158.51	156.99	158.51
4636	NASDAQ	ATRI	Thu, Oct 7, 2010	155.38	155.38	155.38	155.38
4635	NASDAQ	ATRI	Wed, Oct 6, 2010	158.00	158.00	154.63	156.71
4634	NASDAQ	ATRI	Tue, Oct 5, 2010	157.99	157.99	157.00	157.95
4633	NASDAQ	ATRI	Mon, Oct 4, 2010	156.80	156.80	155.10	155.18
4632	NASDAQ	ATRI	Fri, Oct 1, 2010	157.17	157.54	155.76	157.54
4631	NASDAQ	ATRI	Thu, Sep 30, 2010	155.25	157.51	155.25	157.51
4630	NASDAQ	ATRI	Wed, Sep 29, 2010	152.84	156.55	152.84	156.55
4629	NASDAQ	ATRI	Tue, Sep 28, 2010	153.51	155.83	153.51	155.83
4628	NASDAQ	ATRI	Mon, Sep 27, 2010	155.93	157.10	153.48	156.62
4627	NASDAQ	ATRI	Fri, Sep 24, 2010	153.00	155.13	153.00	155.13
4626	NASDAQ	ATRI	Thu, Sep 23, 2010	150.50	152.50	147.50	151.11
4625	NASDAQ	ATRI	Wed, Sep 22, 2010	150.02	153.50	148.60	150.53
4624	NASDAQ	ATRI	Tue, Sep 21, 2010	157.00	157.00	149.25	151.50
4623	NASDAQ	ATRI	Mon, Sep 20, 2010	150.85	157.00	150.85	157.00
4622	NASDAQ	ATRI	Fri, Sep 17, 2010	148.90	154.10	147.70	153.25
4621	NASDAQ	ATRI	Thu, Sep 16, 2010	147.00	147.00	147.00	147.00
4620	NASDAQ	ATRI	Wed, Sep 15, 2010	145.56	148.29	145.56	148.29
4619	NASDAQ	ATRI	Tue, Sep 14, 2010	146.30	146.30	145.20	146.00
4618	NASDAQ	ATRI	Mon, Sep 13, 2010	143.87	145.29	141.67	145.29
4617	NASDAQ	ATRI	Fri, Sep 10, 2010	141.04	143.43	141.04	143.43
4616	NASDAQ	ATRI	Thu, Sep 9, 2010	143.00	143.47	143.00	143.47
4615	NASDAQ	ATRI	Wed, Sep 8, 2010	141.01	141.01	141.01	141.01
4614	NASDAQ	ATRI	Tue, Sep 7, 2010	140.75	140.76	140.01	140.01
4613	NASDAQ	ATRI	Fri, Sep 3, 2010	142.00	142.00	142.00	142.00
4612	NASDAQ	ATRI	Thu, Sep 2, 2010	142.09	142.30	138.20	140.82
4611	NASDAQ	ATRI	Wed, Sep 1, 2010	138.70	141.29	138.70	141.29
4610	NASDAQ	ATRI	Tue, Aug 31, 2010	139.24	139.24	139.24	139.24
4609	NASDAQ	ATRI	Mon, Aug 30, 2010	137.50	139.16	137.00	137.00
4608	NASDAQ	ATRI	Fri, Aug 27, 2010	135.99	139.46	133.00	139.46
4607	NASDAQ	ATRI	Thu, Aug 26, 2010	136.30	136.30	136.30	136.30
4606	NASDAQ	ATRI	Wed, Aug 25, 2010	132.86	139.00	132.86	139.00
4605	NASDAQ	ATRI	Tue, Aug 24, 2010	137.25	138.14	132.11	133.09
4604	NASDAQ	ATRI	Mon, Aug 23, 2010	138.41	138.41	138.41	138.41
4603	NASDAQ	ATRI	Fri, Aug 20, 2010	138.00	142.93	137.85	137.85
4602	NASDAQ	ATRI	Thu, Aug 19, 2010	139.00	139.63	139.00	139.00
4601	NASDAQ	ATRI	Wed, Aug 18, 2010	141.83	142.72	140.49	141.95
4600	NASDAQ	ATRI	Tue, Aug 17, 2010	139.00	140.12	139.00	140.12
4599	NASDAQ	ATRI	Mon, Aug 16, 2010	136.17	138.81	135.70	138.81
4598	NASDAQ	ATRI	Fri, Aug 13, 2010	139.52	139.52	137.36	137.36
4597	NASDAQ	ATRI	Thu, Aug 12, 2010	137.00	138.25	137.00	138.25
4596	NASDAQ	ATRI	Wed, Aug 11, 2010	141.10	141.10	139.03	139.25
4595	NASDAQ	ATRI	Tue, Aug 10, 2010	145.00	145.99	145.00	145.00
4594	NASDAQ	ATRI	Mon, Aug 9, 2010	146.00	147.29	145.00	147.29
4593	NASDAQ	ATRI	Fri, Aug 6, 2010	143.76	145.86	143.76	145.60
4592	NASDAQ	ATRI	Thu, Aug 5, 2010	148.73	148.73	147.70	147.70
4591	NASDAQ	ATRI	Wed, Aug 4, 2010	147.31	148.70	146.06	148.70
4590	NASDAQ	ATRI	Tue, Aug 3, 2010	144.75	147.08	144.75	146.00
4589	NASDAQ	ATRI	Mon, Aug 2, 2010	143.01	147.97	143.01	146.56
4588	NASDAQ	ATRI	Fri, Jul 30, 2010	143.00	145.59	143.00	144.41
4587	NASDAQ	ATRI	Thu, Jul 29, 2010	146.99	146.99	142.52	143.31
4586	NASDAQ	ATRI	Wed, Jul 28, 2010	147.25	147.50	146.56	146.56
4585	NASDAQ	ATRI	Tue, Jul 27, 2010	146.66	148.50	146.66	148.00
4584	NASDAQ	ATRI	Mon, Jul 26, 2010	143.49	147.60	142.70	146.51
4583	NASDAQ	ATRI	Fri, Jul 23, 2010	136.90	142.22	136.90	142.22
4582	NASDAQ	ATRI	Thu, Jul 22, 2010	134.92	137.49	133.84	137.49
4581	NASDAQ	ATRI	Wed, Jul 21, 2010	133.99	134.70	132.27	132.43
4580	NASDAQ	ATRI	Tue, Jul 20, 2010	130.50	132.60	130.50	132.51
4579	NASDAQ	ATRI	Mon, Jul 19, 2010	133.60	133.60	131.75	131.77
4578	NASDAQ	ATRI	Fri, Jul 16, 2010	135.01	135.08	131.50	131.50
4577	NASDAQ	ATRI	Thu, Jul 15, 2010	137.26	138.61	135.23	136.44
4576	NASDAQ	ATRI	Wed, Jul 14, 2010	142.69	142.69	141.89	141.89
4575	NASDAQ	ATRI	Tue, Jul 13, 2010	140.15	144.75	140.15	144.75
4574	NASDAQ	ATRI	Mon, Jul 12, 2010	142.99	143.10	140.27	140.64
4573	NASDAQ	ATRI	Fri, Jul 9, 2010	142.40	143.66	139.46	143.66
4572	NASDAQ	ATRI	Thu, Jul 8, 2010	137.67	139.34	137.67	139.34
4571	NASDAQ	ATRI	Wed, Jul 7, 2010	132.30	136.46	131.51	136.46
4570	NASDAQ	ATRI	Tue, Jul 6, 2010	136.48	136.48	132.34	132.34
4569	NASDAQ	ATRI	Fri, Jul 2, 2010	136.22	136.22	134.96	134.96
4568	NASDAQ	ATRI	Thu, Jul 1, 2010	134.05	134.77	132.80	134.77
4567	NASDAQ	ATRI	Wed, Jun 30, 2010	135.07	137.00	135.05	135.05
4566	NASDAQ	ATRI	Tue, Jun 29, 2010	139.40	139.40	134.52	134.61
4565	NASDAQ	ATRI	Mon, Jun 28, 2010	144.67	145.00	141.00	141.00
4564	NASDAQ	ATRI	Fri, Jun 25, 2010	133.31	147.10	132.48	147.10
4563	NASDAQ	ATRI	Thu, Jun 24, 2010	129.01	134.48	129.01	133.06
4562	NASDAQ	ATRI	Wed, Jun 23, 2010	129.77	132.19	129.65	130.16
4561	NASDAQ	ATRI	Tue, Jun 22, 2010	136.16	136.19	132.52	132.60
4560	NASDAQ	ATRI	Mon, Jun 21, 2010	134.00	135.05	133.83	133.96
4559	NASDAQ	ATRI	Fri, Jun 18, 2010	136.41	137.75	134.08	134.08
4558	NASDAQ	ATRI	Thu, Jun 17, 2010	132.60	134.49	132.60	134.48
4557	NASDAQ	ATRI	Wed, Jun 16, 2010	138.51	138.51	134.26	134.98
4556	NASDAQ	ATRI	Tue, Jun 15, 2010	135.36	140.46	135.36	138.85
4555	NASDAQ	ATRI	Mon, Jun 14, 2010	139.69	139.69	135.00	135.00
4554	NASDAQ	ATRI	Fri, Jun 11, 2010	132.50	135.00	129.01	135.00
4553	NASDAQ	ATRI	Thu, Jun 10, 2010	130.18	134.60	130.18	134.60
4552	NASDAQ	ATRI	Wed, Jun 9, 2010	135.00	135.00	127.01	128.59
4551	NASDAQ	ATRI	Tue, Jun 8, 2010	134.03	134.23	134.03	134.11
4550	NASDAQ	ATRI	Mon, Jun 7, 2010	141.22	141.22	133.00	133.65
4549	NASDAQ	ATRI	Fri, Jun 4, 2010	141.65	146.18	138.01	138.44
4548	NASDAQ	ATRI	Thu, Jun 3, 2010	147.83	147.83	143.75	144.00
4547	NASDAQ	ATRI	Wed, Jun 2, 2010	138.00	149.99	138.00	142.18
4546	NASDAQ	ATRI	Tue, Jun 1, 2010	136.00	136.85	135.59	135.59
4545	NASDAQ	ATRI	Fri, May 28, 2010	136.53	137.30	136.31	136.35
4544	NASDAQ	ATRI	Thu, May 27, 2010	136.35	140.18	136.20	140.18
4543	NASDAQ	ATRI	Wed, May 26, 2010	144.50	144.50	135.00	136.02
4542	NASDAQ	ATRI	Tue, May 25, 2010	140.01	141.91	136.36	136.88
4541	NASDAQ	ATRI	Mon, May 24, 2010	150.32	150.32	140.23	140.23
4540	NASDAQ	ATRI	Fri, May 21, 2010	140.12	142.52	140.12	141.51
4539	NASDAQ	ATRI	Thu, May 20, 2010	145.01	145.01	140.24	140.24
4538	NASDAQ	ATRI	Wed, May 19, 2010	146.94	149.99	146.41	146.86
4537	NASDAQ	ATRI	Tue, May 18, 2010	150.23	150.23	148.00	148.00
4536	NASDAQ	ATRI	Mon, May 17, 2010	148.55	150.76	147.97	150.23
4535	NASDAQ	ATRI	Fri, May 14, 2010	147.39	148.71	145.95	148.71
4534	NASDAQ	ATRI	Thu, May 13, 2010	150.00	150.13	148.01	150.13
4533	NASDAQ	ATRI	Wed, May 12, 2010	148.05	150.45	148.05	150.45
4532	NASDAQ	ATRI	Tue, May 11, 2010	149.43	149.43	144.51	146.99
4531	NASDAQ	ATRI	Mon, May 10, 2010	145.55	148.37	145.55	148.37
4530	NASDAQ	ATRI	Fri, May 7, 2010	145.00	148.25	142.00	142.01
4529	NASDAQ	ATRI	Thu, May 6, 2010	145.90	151.37	143.53	145.02
4528	NASDAQ	ATRI	Wed, May 5, 2010	146.95	146.95	146.95	146.95
4527	NASDAQ	ATRI	Tue, May 4, 2010	143.70	143.70	140.07	142.47
4526	NASDAQ	ATRI	Mon, May 3, 2010	142.05	147.20	142.05	147.20
4525	NASDAQ	ATRI	Fri, Apr 30, 2010	143.31	145.89	141.78	141.78
4524	NASDAQ	ATRI	Thu, Apr 29, 2010	146.68	146.92	146.68	146.92
4523	NASDAQ	ATRI	Wed, Apr 28, 2010	143.00	148.38	143.00	146.82
4522	NASDAQ	ATRI	Tue, Apr 27, 2010	142.00	143.66	142.00	143.62
4521	NASDAQ	ATRI	Mon, Apr 26, 2010	144.41	146.30	143.57	145.00
4520	NASDAQ	ATRI	Fri, Apr 23, 2010	148.56	149.01	148.56	148.95
4519	NASDAQ	ATRI	Thu, Apr 22, 2010	151.87	151.87	151.87	151.87
4518	NASDAQ	ATRI	Wed, Apr 21, 2010	153.90	153.90	152.24	152.24
4517	NASDAQ	ATRI	Tue, Apr 20, 2010	150.31	153.85	150.31	153.85
4516	NASDAQ	ATRI	Mon, Apr 19, 2010	147.16	148.52	147.16	148.52
4515	NASDAQ	ATRI	Fri, Apr 16, 2010	151.78	151.78	147.50	147.95
4514	NASDAQ	ATRI	Thu, Apr 15, 2010	148.16	152.61	146.99	152.61
4513	NASDAQ	ATRI	Wed, Apr 14, 2010	143.34	148.18	142.04	148.18
4512	NASDAQ	ATRI	Tue, Apr 13, 2010	143.19	144.59	142.06	143.34
4511	NASDAQ	ATRI	Mon, Apr 12, 2010	145.67	145.67	142.51	143.84
4510	NASDAQ	ATRI	Fri, Apr 9, 2010	143.05	145.00	143.05	144.90
4509	NASDAQ	ATRI	Thu, Apr 8, 2010	146.46	146.46	146.46	146.46
4508	NASDAQ	ATRI	Wed, Apr 7, 2010	144.11	148.44	144.11	146.00
4507	NASDAQ	ATRI	Tue, Apr 6, 2010	145.81	148.88	145.81	148.88
4506	NASDAQ	ATRI	Mon, Apr 5, 2010	144.41	144.41	142.00	143.96
4505	NASDAQ	ATRI	Thu, Apr 1, 2010	142.72	145.00	141.26	143.76
4504	NASDAQ	ATRI	Wed, Mar 31, 2010	142.00	144.00	142.00	143.04
4503	NASDAQ	ATRI	Tue, Mar 30, 2010	144.00	144.00	142.10	143.98
4502	NASDAQ	ATRI	Mon, Mar 29, 2010	145.89	146.23	144.16	144.71
4501	NASDAQ	ATRI	Fri, Mar 26, 2010	146.09	147.61	146.09	146.19
4500	NASDAQ	ATRI	Thu, Mar 25, 2010	149.00	149.00	146.05	146.05
4499	NASDAQ	ATRI	Wed, Mar 24, 2010	148.01	149.69	148.00	149.11
4498	NASDAQ	ATRI	Tue, Mar 23, 2010	147.01	150.06	147.01	148.55
4497	NASDAQ	ATRI	Mon, Mar 22, 2010	148.01	148.01	145.11	147.07
4496	NASDAQ	ATRI	Fri, Mar 19, 2010	147.62	149.49	145.11	149.49
4495	NASDAQ	ATRI	Thu, Mar 18, 2010	150.01	150.21	145.04	145.71
4494	NASDAQ	ATRI	Wed, Mar 17, 2010	152.58	155.36	152.14	152.15
4493	NASDAQ	ATRI	Tue, Mar 16, 2010	158.53	158.53	153.55	155.69
4492	NASDAQ	ATRI	Mon, Mar 15, 2010	159.02	162.46	156.16	159.28
4491	NASDAQ	ATRI	Fri, Mar 12, 2010	160.76	162.61	160.76	161.85
4490	NASDAQ	ATRI	Thu, Mar 11, 2010	162.69	163.40	161.60	162.85
4489	NASDAQ	ATRI	Wed, Mar 10, 2010	153.06	163.58	153.06	161.70
4488	NASDAQ	ATRI	Tue, Mar 9, 2010	158.88	159.00	155.08	159.00
4487	NASDAQ	ATRI	Mon, Mar 8, 2010	158.00	158.99	155.38	158.87
4486	NASDAQ	ATRI	Fri, Mar 5, 2010	153.38	158.99	153.38	158.98
4485	NASDAQ	ATRI	Thu, Mar 4, 2010	156.28	156.28	151.26	153.75
4484	NASDAQ	ATRI	Wed, Mar 3, 2010	149.73	155.90	149.73	155.90
4483	NASDAQ	ATRI	Tue, Mar 2, 2010	147.64	150.00	146.29	150.00
4482	NASDAQ	ATRI	Mon, Mar 1, 2010	155.71	155.71	142.36	150.40
4481	NASDAQ	ATRI	Fri, Feb 26, 2010	156.85	156.85	155.62	155.62
4480	NASDAQ	ATRI	Thu, Feb 25, 2010	155.37	157.98	155.37	157.49
4479	NASDAQ	ATRI	Wed, Feb 24, 2010	159.51	159.57	156.81	157.98
4478	NASDAQ	ATRI	Tue, Feb 23, 2010	154.03	159.95	152.25	159.95
4477	NASDAQ	ATRI	Mon, Feb 22, 2010	135.21	156.76	135.21	155.69
4476	NASDAQ	ATRI	Fri, Feb 19, 2010	148.38	152.74	148.38	152.74
4475	NASDAQ	ATRI	Thu, Feb 18, 2010	143.39	146.87	143.39	146.34
4474	NASDAQ	ATRI	Wed, Feb 17, 2010	140.50	144.97	140.50	144.97
4473	NASDAQ	ATRI	Tue, Feb 16, 2010	138.50	140.48	137.65	139.99
4472	NASDAQ	ATRI	Fri, Feb 12, 2010	130.95	137.50	129.51	137.50
4471	NASDAQ	ATRI	Thu, Feb 11, 2010	129.72	131.98	129.72	131.98
4470	NASDAQ	ATRI	Wed, Feb 10, 2010	132.60	133.00	129.91	130.64
4469	NASDAQ	ATRI	Tue, Feb 9, 2010	132.00	135.54	130.52	133.84
4468	NASDAQ	ATRI	Mon, Feb 8, 2010	135.73	135.73	130.43	130.43
4467	NASDAQ	ATRI	Fri, Feb 5, 2010	132.16	133.74	131.00	133.36
4466	NASDAQ	ATRI	Thu, Feb 4, 2010	136.81	136.81	130.13	131.36
4465	NASDAQ	ATRI	Wed, Feb 3, 2010	140.14	141.00	137.90	137.90
4464	NASDAQ	ATRI	Tue, Feb 2, 2010	141.51	143.11	139.00	140.23
4463	NASDAQ	ATRI	Mon, Feb 1, 2010	140.06	144.95	140.06	141.21
4462	NASDAQ	ATRI	Fri, Jan 29, 2010	143.36	144.34	139.16	141.17
4461	NASDAQ	ATRI	Thu, Jan 28, 2010	146.00	147.78	141.00	142.43
4460	NASDAQ	ATRI	Wed, Jan 27, 2010	143.02	148.00	143.02	147.64
4459	NASDAQ	ATRI	Tue, Jan 26, 2010	145.11	149.49	144.50	146.56
4458	NASDAQ	ATRI	Mon, Jan 25, 2010	152.55	152.55	145.07	146.71
4457	NASDAQ	ATRI	Fri, Jan 22, 2010	151.17	152.00	150.00	150.95
4456	NASDAQ	ATRI	Thu, Jan 21, 2010	156.61	156.61	151.33	152.29
4455	NASDAQ	ATRI	Wed, Jan 20, 2010	159.00	159.00	154.00	155.63
4454	NASDAQ	ATRI	Tue, Jan 19, 2010	158.67	159.87	158.53	159.87
4453	NASDAQ	ATRI	Fri, Jan 15, 2010	159.28	160.57	153.32	157.93
4452	NASDAQ	ATRI	Thu, Jan 14, 2010	157.00	162.00	156.88	158.50
4451	NASDAQ	ATRI	Wed, Jan 13, 2010	158.82	163.92	158.11	162.21
4450	NASDAQ	ATRI	Tue, Jan 12, 2010	160.99	161.00	156.05	157.50
4449	NASDAQ	ATRI	Mon, Jan 11, 2010	163.84	163.97	159.61	160.00
4448	NASDAQ	ATRI	Fri, Jan 8, 2010	162.64	163.89	161.91	163.54
4447	NASDAQ	ATRI	Thu, Jan 7, 2010	159.78	164.56	159.78	164.50
4446	NASDAQ	ATRI	Wed, Jan 6, 2010	156.01	160.75	156.01	158.99
4445	NASDAQ	ATRI	Tue, Jan 5, 2010	156.28	156.44	154.71	155.72
4444	NASDAQ	ATRI	Mon, Jan 4, 2010	158.14	158.14	154.50	155.85
4443	NASDAQ	ATRI	Thu, Dec 31, 2009	154.40	158.18	153.05	155.72
4442	NASDAQ	ATRI	Wed, Dec 30, 2009	157.30	157.30	153.14	155.00
4441	NASDAQ	ATRI	Tue, Dec 29, 2009	153.00	154.80	153.00	153.80
4440	NASDAQ	ATRI	Mon, Dec 28, 2009	153.28	157.00	151.31	154.01
4439	NASDAQ	ATRI	Thu, Dec 24, 2009	150.87	153.45	150.87	152.05
4438	NASDAQ	ATRI	Wed, Dec 23, 2009	149.94	150.00	148.00	149.91
4437	NASDAQ	ATRI	Tue, Dec 22, 2009	149.20	150.00	148.62	148.62
4436	NASDAQ	ATRI	Mon, Dec 21, 2009	147.83	149.82	145.56	149.42
4435	NASDAQ	ATRI	Fri, Dec 18, 2009	146.37	148.00	144.68	146.95
4434	NASDAQ	ATRI	Thu, Dec 17, 2009	142.50	147.20	141.39	145.97
4433	NASDAQ	ATRI	Wed, Dec 16, 2009	144.12	146.72	141.49	143.96
4432	NASDAQ	ATRI	Tue, Dec 15, 2009	143.82	147.26	138.79	144.10
4431	NASDAQ	ATRI	Mon, Dec 14, 2009	142.55	144.53	142.55	144.53
4430	NASDAQ	ATRI	Fri, Dec 11, 2009	141.00	142.82	139.92	142.50
4429	NASDAQ	ATRI	Thu, Dec 10, 2009	138.30	141.07	136.60	141.07
4428	NASDAQ	ATRI	Wed, Dec 9, 2009	140.00	141.88	136.16	139.14
4427	NASDAQ	ATRI	Tue, Dec 8, 2009	140.57	140.57	139.87	139.87
4426	NASDAQ	ATRI	Mon, Dec 7, 2009	137.29	142.50	137.29	142.50
4425	NASDAQ	ATRI	Fri, Dec 4, 2009	140.32	143.00	140.32	143.00
4424	NASDAQ	ATRI	Thu, Dec 3, 2009	141.51	141.51	138.00	138.48
4423	NASDAQ	ATRI	Wed, Dec 2, 2009	139.38	142.88	137.76	140.00
4422	NASDAQ	ATRI	Tue, Dec 1, 2009	136.30	139.34	135.79	137.57
4421	NASDAQ	ATRI	Mon, Nov 30, 2009	133.73	136.38	132.36	135.51
4420	NASDAQ	ATRI	Fri, Nov 27, 2009	141.50	141.50	136.80	136.80
4419	NASDAQ	ATRI	Wed, Nov 25, 2009	139.52	142.99	139.52	141.76
4418	NASDAQ	ATRI	Tue, Nov 24, 2009	142.09	142.09	137.87	140.41
4417	NASDAQ	ATRI	Mon, Nov 23, 2009	139.00	142.71	139.00	142.22
4416	NASDAQ	ATRI	Fri, Nov 20, 2009	137.21	138.10	137.01	138.10
4415	NASDAQ	ATRI	Thu, Nov 19, 2009	136.09	137.91	133.63	137.37
4414	NASDAQ	ATRI	Wed, Nov 18, 2009	136.40	138.01	136.31	137.89
4413	NASDAQ	ATRI	Tue, Nov 17, 2009	129.01	137.00	129.01	136.15
4412	NASDAQ	ATRI	Mon, Nov 16, 2009	129.33	130.57	122.76	130.25
4411	NASDAQ	ATRI	Fri, Nov 13, 2009	128.21	129.69	125.10	129.69
4410	NASDAQ	ATRI	Thu, Nov 12, 2009	132.40	132.40	127.16	127.16
4409	NASDAQ	ATRI	Wed, Nov 11, 2009	135.34	135.34	130.50	132.48
4408	NASDAQ	ATRI	Tue, Nov 10, 2009	132.01	132.38	129.22	131.30
4407	NASDAQ	ATRI	Mon, Nov 9, 2009	130.89	133.58	130.89	133.58
4406	NASDAQ	ATRI	Fri, Nov 6, 2009	129.33	131.47	128.72	130.89
4405	NASDAQ	ATRI	Thu, Nov 5, 2009	123.50	132.37	121.73	131.30
4404	NASDAQ	ATRI	Wed, Nov 4, 2009	121.49	124.00	119.86	120.95
4403	NASDAQ	ATRI	Tue, Nov 3, 2009	120.18	121.54	120.18	121.54
4402	NASDAQ	ATRI	Mon, Nov 2, 2009	119.51	121.65	119.51	121.61
4401	NASDAQ	ATRI	Fri, Oct 30, 2009	121.84	125.84	118.00	118.41
4400	NASDAQ	ATRI	Thu, Oct 29, 2009	123.01	125.34	122.91	123.28
4399	NASDAQ	ATRI	Wed, Oct 28, 2009	124.39	124.39	120.80	121.64
4398	NASDAQ	ATRI	Tue, Oct 27, 2009	128.46	128.50	120.70	120.98
4397	NASDAQ	ATRI	Mon, Oct 26, 2009	129.28	131.00	126.92	128.39
4396	NASDAQ	ATRI	Fri, Oct 23, 2009	133.00	133.00	127.95	128.54
4395	NASDAQ	ATRI	Thu, Oct 22, 2009	130.31	132.90	130.31	132.48
4394	NASDAQ	ATRI	Wed, Oct 21, 2009	132.68	133.30	128.43	130.73
4393	NASDAQ	ATRI	Tue, Oct 20, 2009	139.60	139.60	131.46	131.85
4392	NASDAQ	ATRI	Mon, Oct 19, 2009	141.68	141.68	136.71	138.73
4391	NASDAQ	ATRI	Fri, Oct 16, 2009	140.77	141.80	140.00	140.00
4390	NASDAQ	ATRI	Thu, Oct 15, 2009	142.62	143.01	141.75	142.15
4389	NASDAQ	ATRI	Wed, Oct 14, 2009	143.47	144.75	140.31	144.75
4388	NASDAQ	ATRI	Tue, Oct 13, 2009	140.00	141.75	140.00	141.51
4387	NASDAQ	ATRI	Mon, Oct 12, 2009	141.71	141.71	139.21	139.80
4386	NASDAQ	ATRI	Fri, Oct 9, 2009	136.39	139.51	136.39	139.51
4385	NASDAQ	ATRI	Thu, Oct 8, 2009	137.52	139.88	136.55	137.11
4384	NASDAQ	ATRI	Wed, Oct 7, 2009	138.26	139.77	136.39	137.31
4383	NASDAQ	ATRI	Tue, Oct 6, 2009	138.81	140.00	137.92	139.17
4382	NASDAQ	ATRI	Mon, Oct 5, 2009	138.57	140.00	137.12	140.00
4381	NASDAQ	ATRI	Fri, Oct 2, 2009	136.95	139.00	135.56	138.96
4380	NASDAQ	ATRI	Thu, Oct 1, 2009	143.21	143.21	134.21	136.95
4379	NASDAQ	ATRI	Wed, Sep 30, 2009	144.51	144.98	142.15	144.40
4378	NASDAQ	ATRI	Tue, Sep 29, 2009	145.55	145.55	144.19	144.19
4377	NASDAQ	ATRI	Mon, Sep 28, 2009	143.30	147.75	143.30	145.12
4376	NASDAQ	ATRI	Fri, Sep 25, 2009	138.00	143.61	137.99	143.60
4375	NASDAQ	ATRI	Thu, Sep 24, 2009	140.57	140.57	137.00	138.01
4374	NASDAQ	ATRI	Wed, Sep 23, 2009	143.05	143.05	138.97	139.06
4373	NASDAQ	ATRI	Tue, Sep 22, 2009	142.50	143.87	139.72	142.02
4372	NASDAQ	ATRI	Mon, Sep 21, 2009	143.21	143.21	140.09	141.61
4371	NASDAQ	ATRI	Fri, Sep 18, 2009	142.31	143.87	137.23	143.80
4370	NASDAQ	ATRI	Thu, Sep 17, 2009	134.70	142.41	134.17	142.24
4369	NASDAQ	ATRI	Wed, Sep 16, 2009	136.11	137.41	133.21	136.24
4368	NASDAQ	ATRI	Tue, Sep 15, 2009	137.36	139.10	134.50	136.40
4367	NASDAQ	ATRI	Mon, Sep 14, 2009	135.42	137.00	133.90	136.90
4366	NASDAQ	ATRI	Fri, Sep 11, 2009	135.68	137.85	134.75	137.12
4365	NASDAQ	ATRI	Thu, Sep 10, 2009	133.68	135.30	132.40	135.30
4364	NASDAQ	ATRI	Wed, Sep 9, 2009	132.91	133.38	130.40	133.12
4363	NASDAQ	ATRI	Tue, Sep 8, 2009	130.66	133.15	130.66	132.33
4362	NASDAQ	ATRI	Fri, Sep 4, 2009	129.90	133.94	128.39	128.79
4361	NASDAQ	ATRI	Thu, Sep 3, 2009	133.48	134.63	125.43	129.50
4360	NASDAQ	ATRI	Wed, Sep 2, 2009	132.33	137.77	132.33	134.29
4359	NASDAQ	ATRI	Tue, Sep 1, 2009	131.60	138.36	131.60	134.27
4358	NASDAQ	ATRI	Mon, Aug 31, 2009	139.99	139.99	132.50	137.00
4357	NASDAQ	ATRI	Fri, Aug 28, 2009	136.50	138.41	136.12	137.94
4356	NASDAQ	ATRI	Thu, Aug 27, 2009	135.99	136.60	135.50	136.59
4355	NASDAQ	ATRI	Wed, Aug 26, 2009	134.46	136.97	134.46	136.97
4354	NASDAQ	ATRI	Tue, Aug 25, 2009	134.70	136.90	134.51	136.90
4353	NASDAQ	ATRI	Mon, Aug 24, 2009	136.66	136.75	133.82	135.32
4352	NASDAQ	ATRI	Fri, Aug 21, 2009	135.09	137.74	135.00	136.80
4351	NASDAQ	ATRI	Thu, Aug 20, 2009	134.01	135.00	133.07	134.37
4350	NASDAQ	ATRI	Wed, Aug 19, 2009	132.18	134.94	131.96	134.94
4349	NASDAQ	ATRI	Tue, Aug 18, 2009	127.79	131.99	127.48	131.93
4348	NASDAQ	ATRI	Mon, Aug 17, 2009	128.00	128.01	125.79	125.79
4347	NASDAQ	ATRI	Fri, Aug 14, 2009	134.31	134.31	128.05	128.31
4346	NASDAQ	ATRI	Thu, Aug 13, 2009	131.70	134.99	131.02	133.63
4345	NASDAQ	ATRI	Wed, Aug 12, 2009	131.72	133.87	129.40	130.41
4344	NASDAQ	ATRI	Tue, Aug 11, 2009	131.81	132.90	127.50	128.05
4343	NASDAQ	ATRI	Mon, Aug 10, 2009	134.93	134.93	126.85	131.03
4342	NASDAQ	ATRI	Fri, Aug 7, 2009	131.36	132.89	130.10	131.56
4341	NASDAQ	ATRI	Thu, Aug 6, 2009	129.33	131.71	128.40	128.40
4340	NASDAQ	ATRI	Wed, Aug 5, 2009	134.30	134.30	131.88	132.92
4339	NASDAQ	ATRI	Tue, Aug 4, 2009	130.00	135.40	126.56	134.00
4338	NASDAQ	ATRI	Mon, Aug 3, 2009	127.59	132.93	127.59	131.92
4337	NASDAQ	ATRI	Fri, Jul 31, 2009	133.29	134.54	130.19	130.19
4336	NASDAQ	ATRI	Thu, Jul 30, 2009	132.00	136.45	130.48	134.99
4335	NASDAQ	ATRI	Wed, Jul 29, 2009	130.55	132.00	130.07	131.13
4334	NASDAQ	ATRI	Tue, Jul 28, 2009	127.47	132.44	127.47	131.31
4333	NASDAQ	ATRI	Mon, Jul 27, 2009	130.01	130.74	127.51	129.38
4332	NASDAQ	ATRI	Fri, Jul 24, 2009	129.36	131.98	127.95	127.95
4331	NASDAQ	ATRI	Thu, Jul 23, 2009	126.71	133.98	126.71	131.01
4330	NASDAQ	ATRI	Wed, Jul 22, 2009	125.79	129.64	125.37	127.87
4329	NASDAQ	ATRI	Tue, Jul 21, 2009	132.00	132.00	124.19	125.29
4328	NASDAQ	ATRI	Mon, Jul 20, 2009	129.85	132.13	129.85	132.13
4327	NASDAQ	ATRI	Fri, Jul 17, 2009	129.60	131.58	127.32	131.58
4326	NASDAQ	ATRI	Thu, Jul 16, 2009	132.50	132.50	127.02	129.24
4325	NASDAQ	ATRI	Wed, Jul 15, 2009	125.00	134.12	123.07	133.50
4324	NASDAQ	ATRI	Tue, Jul 14, 2009	121.00	124.01	119.12	123.94
4323	NASDAQ	ATRI	Mon, Jul 13, 2009	119.60	122.33	118.33	120.02
4322	NASDAQ	ATRI	Fri, Jul 10, 2009	118.01	118.07	114.70	118.07
4321	NASDAQ	ATRI	Thu, Jul 9, 2009	120.00	120.53	118.00	118.74
4320	NASDAQ	ATRI	Wed, Jul 8, 2009	125.72	125.72	114.96	117.95
4319	NASDAQ	ATRI	Tue, Jul 7, 2009	131.90	132.34	126.36	126.36
4318	NASDAQ	ATRI	Mon, Jul 6, 2009	127.93	133.34	124.31	132.26
4317	NASDAQ	ATRI	Thu, Jul 2, 2009	129.88	129.88	125.98	126.37
4316	NASDAQ	ATRI	Wed, Jul 1, 2009	133.00	134.50	132.69	132.69
4315	NASDAQ	ATRI	Tue, Jun 30, 2009	133.99	135.50	132.08	134.09
4314	NASDAQ	ATRI	Mon, Jun 29, 2009	135.00	135.00	125.06	134.79
4313	NASDAQ	ATRI	Fri, Jun 26, 2009	134.92	136.77	128.01	135.25
4312	NASDAQ	ATRI	Thu, Jun 25, 2009	129.44	133.90	129.36	133.90
4311	NASDAQ	ATRI	Wed, Jun 24, 2009	127.34	130.59	127.34	129.42
4310	NASDAQ	ATRI	Tue, Jun 23, 2009	124.50	132.95	124.50	127.13
4309	NASDAQ	ATRI	Mon, Jun 22, 2009	122.01	127.00	122.01	125.26
4308	NASDAQ	ATRI	Fri, Jun 19, 2009	125.29	128.95	123.29	128.95
4307	NASDAQ	ATRI	Thu, Jun 18, 2009	118.29	124.85	112.01	124.38
4306	NASDAQ	ATRI	Wed, Jun 17, 2009	120.00	120.34	115.50	117.70
4305	NASDAQ	ATRI	Tue, Jun 16, 2009	123.50	123.50	118.70	121.37
4304	NASDAQ	ATRI	Mon, Jun 15, 2009	121.54	123.91	120.08	122.84
4303	NASDAQ	ATRI	Fri, Jun 12, 2009	119.63	123.65	119.63	122.07
4302	NASDAQ	ATRI	Thu, Jun 11, 2009	122.50	124.00	118.00	122.78
4301	NASDAQ	ATRI	Wed, Jun 10, 2009	125.00	125.00	122.12	122.75
4300	NASDAQ	ATRI	Tue, Jun 9, 2009	123.68	124.30	120.79	124.30
4299	NASDAQ	ATRI	Mon, Jun 8, 2009	120.51	124.53	119.21	123.36
4298	NASDAQ	ATRI	Fri, Jun 5, 2009	119.00	121.40	117.50	120.90
4297	NASDAQ	ATRI	Thu, Jun 4, 2009	115.99	119.99	115.26	119.99
4296	NASDAQ	ATRI	Wed, Jun 3, 2009	115.80	116.50	113.01	116.16
4295	NASDAQ	ATRI	Tue, Jun 2, 2009	114.81	115.70	111.71	115.55
4294	NASDAQ	ATRI	Mon, Jun 1, 2009	109.24	115.98	109.24	115.53
4293	NASDAQ	ATRI	Fri, May 29, 2009	107.49	110.85	106.11	110.20
4292	NASDAQ	ATRI	Thu, May 28, 2009	108.00	110.70	105.21	106.80
4291	NASDAQ	ATRI	Wed, May 27, 2009	103.50	112.99	103.08	111.28
4290	NASDAQ	ATRI	Tue, May 26, 2009	102.09	106.45	96.46	105.48
4289	NASDAQ	ATRI	Fri, May 22, 2009	99.47	102.10	99.10	102.10
4288	NASDAQ	ATRI	Thu, May 21, 2009	99.99	99.99	97.81	98.76
4287	NASDAQ	ATRI	Wed, May 20, 2009	98.29	98.80	97.38	98.43
4286	NASDAQ	ATRI	Tue, May 19, 2009	99.68	99.68	97.56	99.40
4285	NASDAQ	ATRI	Mon, May 18, 2009	99.14	99.70	98.56	99.70
4284	NASDAQ	ATRI	Fri, May 15, 2009	99.73	99.73	97.87	99.00
4283	NASDAQ	ATRI	Thu, May 14, 2009	95.47	99.18	95.46	99.18
4282	NASDAQ	ATRI	Wed, May 13, 2009	96.00	96.96	93.87	93.87
4281	NASDAQ	ATRI	Tue, May 12, 2009	90.00	97.40	90.00	96.97
4280	NASDAQ	ATRI	Mon, May 11, 2009	90.00	93.88	89.31	91.53
4279	NASDAQ	ATRI	Fri, May 8, 2009	87.50	92.31	87.01	92.31
4278	NASDAQ	ATRI	Thu, May 7, 2009	84.21	86.49	84.01	86.49
4277	NASDAQ	ATRI	Wed, May 6, 2009	85.69	88.90	82.76	84.01
4276	NASDAQ	ATRI	Tue, May 5, 2009	87.39	90.47	81.74	85.64
4275	NASDAQ	ATRI	Mon, May 4, 2009	86.45	90.08	85.15	90.08
4274	NASDAQ	ATRI	Fri, May 1, 2009	90.71	91.69	86.15	87.49
4273	NASDAQ	ATRI	Thu, Apr 30, 2009	92.65	92.65	89.31	89.56
4272	NASDAQ	ATRI	Wed, Apr 29, 2009	91.26	93.01	91.26	92.62
4271	NASDAQ	ATRI	Tue, Apr 28, 2009	89.50	89.50	88.10	88.68
4270	NASDAQ	ATRI	Mon, Apr 27, 2009	91.70	92.45	87.67	88.15
4269	NASDAQ	ATRI	Fri, Apr 24, 2009	92.50	94.19	92.50	94.19
4268	NASDAQ	ATRI	Thu, Apr 23, 2009	94.60	94.60	92.91	93.22
4267	NASDAQ	ATRI	Wed, Apr 22, 2009	90.02	95.49	90.02	94.60
4266	NASDAQ	ATRI	Tue, Apr 21, 2009	90.46	92.20	84.76	92.20
4265	NASDAQ	ATRI	Mon, Apr 20, 2009	92.60	92.60	88.33	88.79
4264	NASDAQ	ATRI	Fri, Apr 17, 2009	94.63	94.63	92.82	93.88
4263	NASDAQ	ATRI	Thu, Apr 16, 2009	90.83	96.05	90.07	94.13
4262	NASDAQ	ATRI	Wed, Apr 15, 2009	91.14	92.48	90.44	91.42
4261	NASDAQ	ATRI	Tue, Apr 14, 2009	91.40	92.67	90.08	90.08
4260	NASDAQ	ATRI	Mon, Apr 13, 2009	93.76	94.69	91.79	93.25
4259	NASDAQ	ATRI	Thu, Apr 9, 2009	90.30	95.62	90.30	94.24
4258	NASDAQ	ATRI	Wed, Apr 8, 2009	84.70	90.67	84.70	90.67
4257	NASDAQ	ATRI	Tue, Apr 7, 2009	86.50	88.00	84.36	85.98
4256	NASDAQ	ATRI	Mon, Apr 6, 2009	87.38	88.49	83.65	86.55
4255	NASDAQ	ATRI	Fri, Apr 3, 2009	89.00	89.25	84.40	86.63
4254	NASDAQ	ATRI	Thu, Apr 2, 2009	86.85	90.00	86.85	88.39
4253	NASDAQ	ATRI	Wed, Apr 1, 2009	86.72	87.18	85.67	86.20
4252	NASDAQ	ATRI	Tue, Mar 31, 2009	80.28	88.24	79.55	88.24
4251	NASDAQ	ATRI	Mon, Mar 30, 2009	80.01	81.65	76.69	78.41
4250	NASDAQ	ATRI	Fri, Mar 27, 2009	85.30	86.33	81.35	81.35
4249	NASDAQ	ATRI	Thu, Mar 26, 2009	82.21	89.02	79.44	87.41
4248	NASDAQ	ATRI	Wed, Mar 25, 2009	85.23	86.90	82.04	85.30
4247	NASDAQ	ATRI	Tue, Mar 24, 2009	88.53	88.53	83.75	83.32
4246	NASDAQ	ATRI	Mon, Mar 23, 2009	83.54	90.23	83.44	90.23
4245	NASDAQ	ATRI	Fri, Mar 20, 2009	87.87	88.70	81.44	81.44
4244	NASDAQ	ATRI	Thu, Mar 19, 2009	88.90	89.89	87.15	87.15
4243	NASDAQ	ATRI	Wed, Mar 18, 2009	85.00	89.48	83.90	88.76
4242	NASDAQ	ATRI	Tue, Mar 17, 2009	82.59	85.50	81.31	85.00
4241	NASDAQ	ATRI	Mon, Mar 16, 2009	88.30	88.30	83.51	85.58
4240	NASDAQ	ATRI	Fri, Mar 13, 2009	82.48	83.92	78.00	82.32
4239	NASDAQ	ATRI	Thu, Mar 12, 2009	76.47	78.00	75.08	77.98
4238	NASDAQ	ATRI	Wed, Mar 11, 2009	72.89	78.17	72.89	74.99
4237	NASDAQ	ATRI	Tue, Mar 10, 2009	67.38	75.90	66.09	75.84
4236	NASDAQ	ATRI	Mon, Mar 9, 2009	63.55	67.03	63.55	65.00
4235	NASDAQ	ATRI	Fri, Mar 6, 2009	65.86	67.00	64.00	65.35
4234	NASDAQ	ATRI	Thu, Mar 5, 2009	69.92	69.92	66.01	66.36
4233	NASDAQ	ATRI	Wed, Mar 4, 2009	67.33	72.60	67.33	70.01
4232	NASDAQ	ATRI	Tue, Mar 3, 2009	68.34	72.80	66.61	66.61
4231	NASDAQ	ATRI	Mon, Mar 2, 2009	75.00	75.00	72.46	72.46
4230	NASDAQ	ATRI	Fri, Feb 27, 2009	78.19	78.19	75.16	75.16
4229	NASDAQ	ATRI	Thu, Feb 26, 2009	79.51	81.42	78.70	78.70
4228	NASDAQ	ATRI	Wed, Feb 25, 2009	81.33	81.33	78.11	79.02
4227	NASDAQ	ATRI	Tue, Feb 24, 2009	78.06	81.50	77.75	80.21
4226	NASDAQ	ATRI	Mon, Feb 23, 2009	77.15	80.50	77.15	78.06
4225	NASDAQ	ATRI	Fri, Feb 20, 2009	78.11	82.00	77.80	78.58
4224	NASDAQ	ATRI	Thu, Feb 19, 2009	78.40	78.50	77.51	77.51
4223	NASDAQ	ATRI	Wed, Feb 18, 2009	78.25	80.13	78.25	78.38
4222	NASDAQ	ATRI	Tue, Feb 17, 2009	80.78	81.17	79.21	79.21
4221	NASDAQ	ATRI	Fri, Feb 13, 2009	82.96	82.96	81.37	82.15
4220	NASDAQ	ATRI	Thu, Feb 12, 2009	83.00	83.00	80.05	80.44
4219	NASDAQ	ATRI	Wed, Feb 11, 2009	81.08	83.50	81.08	82.05
4218	NASDAQ	ATRI	Tue, Feb 10, 2009	84.30	87.00	82.47	82.47
4217	NASDAQ	ATRI	Mon, Feb 9, 2009	89.75	89.75	86.00	88.98
4216	NASDAQ	ATRI	Fri, Feb 6, 2009	87.28	90.85	84.42	90.85
4215	NASDAQ	ATRI	Thu, Feb 5, 2009	81.03	84.75	81.00	84.66
4214	NASDAQ	ATRI	Wed, Feb 4, 2009	86.08	86.97	81.93	82.05
4213	NASDAQ	ATRI	Tue, Feb 3, 2009	85.01	87.89	83.60	87.37
4212	NASDAQ	ATRI	Mon, Feb 2, 2009	81.96	85.02	81.25	85.02
4211	NASDAQ	ATRI	Fri, Jan 30, 2009	81.84	83.50	81.80	81.80
4210	NASDAQ	ATRI	Thu, Jan 29, 2009	83.00	83.00	79.23	80.51
4209	NASDAQ	ATRI	Wed, Jan 28, 2009	82.17	85.54	82.17	84.87
4208	NASDAQ	ATRI	Tue, Jan 27, 2009	79.50	82.70	77.65	82.67
4207	NASDAQ	ATRI	Mon, Jan 26, 2009	83.95	84.70	77.57	78.97
4206	NASDAQ	ATRI	Fri, Jan 23, 2009	83.00	83.00	77.76	78.99
4205	NASDAQ	ATRI	Thu, Jan 22, 2009	85.64	87.79	83.12	83.12
4204	NASDAQ	ATRI	Wed, Jan 21, 2009	82.47	86.24	80.34	86.24
4203	NASDAQ	ATRI	Tue, Jan 20, 2009	81.81	84.70	80.06	80.06
4202	NASDAQ	ATRI	Fri, Jan 16, 2009	84.99	84.99	82.10	84.47
4201	NASDAQ	ATRI	Thu, Jan 15, 2009	85.53	85.53	79.99	82.00
4200	NASDAQ	ATRI	Wed, Jan 14, 2009	90.00	90.00	86.12	87.02
4199	NASDAQ	ATRI	Tue, Jan 13, 2009	91.34	92.59	89.00	90.00
4198	NASDAQ	ATRI	Mon, Jan 12, 2009	93.56	93.56	88.62	89.51
4197	NASDAQ	ATRI	Fri, Jan 9, 2009	94.33	96.44	94.33	94.45
4196	NASDAQ	ATRI	Thu, Jan 8, 2009	97.60	97.60	95.00	97.00
4195	NASDAQ	ATRI	Wed, Jan 7, 2009	95.52	96.73	95.52	95.56
4194	NASDAQ	ATRI	Tue, Jan 6, 2009	98.05	98.71	96.54	97.59
4193	NASDAQ	ATRI	Mon, Jan 5, 2009	96.06	99.74	96.06	96.89
4192	NASDAQ	ATRI	Fri, Jan 2, 2009	95.40	98.98	95.31	97.06
4191	NASDAQ	ATRI	Wed, Dec 31, 2008	98.79	100.44	96.53	97.10
4190	NASDAQ	ATRI	Tue, Dec 30, 2008	100.80	103.00	96.44	98.80
4189	NASDAQ	ATRI	Mon, Dec 29, 2008	99.21	103.94	99.21	99.30
4188	NASDAQ	ATRI	Fri, Dec 26, 2008	104.01	107.96	99.69	101.50
4187	NASDAQ	ATRI	Wed, Dec 24, 2008	105.61	106.14	100.55	102.80
4186	NASDAQ	ATRI	Tue, Dec 23, 2008	106.51	109.96	104.63	105.05
4185	NASDAQ	ATRI	Mon, Dec 22, 2008	110.16	110.16	103.50	107.86
4184	NASDAQ	ATRI	Fri, Dec 19, 2008	110.88	110.88	103.18	107.88
4183	NASDAQ	ATRI	Thu, Dec 18, 2008	108.86	108.98	104.69	106.29
4182	NASDAQ	ATRI	Wed, Dec 17, 2008	106.00	106.15	103.40	105.48
4181	NASDAQ	ATRI	Tue, Dec 16, 2008	104.59	105.45	103.00	105.45
4180	NASDAQ	ATRI	Mon, Dec 15, 2008	103.50	104.49	102.04	103.59
4179	NASDAQ	ATRI	Fri, Dec 12, 2008	101.32	105.61	97.89	104.42
4178	NASDAQ	ATRI	Thu, Dec 11, 2008	103.16	105.00	103.16	104.02
4177	NASDAQ	ATRI	Wed, Dec 10, 2008	101.60	105.00	96.11	105.00
4176	NASDAQ	ATRI	Tue, Dec 9, 2008	104.75	105.01	101.60	101.92
4175	NASDAQ	ATRI	Mon, Dec 8, 2008	99.18	105.26	98.25	105.26
4174	NASDAQ	ATRI	Fri, Dec 5, 2008	92.50	97.39	88.01	97.39
4173	NASDAQ	ATRI	Thu, Dec 4, 2008	92.00	93.85	89.00	90.15
4172	NASDAQ	ATRI	Wed, Dec 3, 2008	94.90	94.99	88.10	92.01
4171	NASDAQ	ATRI	Tue, Dec 2, 2008	89.95	95.29	89.45	95.29
4170	NASDAQ	ATRI	Mon, Dec 1, 2008	92.08	96.99	86.00	87.01
4169	NASDAQ	ATRI	Fri, Nov 28, 2008	91.50	96.25	91.50	96.20
4168	NASDAQ	ATRI	Wed, Nov 26, 2008	88.30	96.25	87.22	96.25
4167	NASDAQ	ATRI	Tue, Nov 25, 2008	92.00	96.00	86.01	91.50
4166	NASDAQ	ATRI	Mon, Nov 24, 2008	80.00	91.23	80.00	91.23
4165	NASDAQ	ATRI	Fri, Nov 21, 2008	75.78	82.00	75.78	82.00
4164	NASDAQ	ATRI	Thu, Nov 20, 2008	75.00	76.97	71.90	75.47
4163	NASDAQ	ATRI	Wed, Nov 19, 2008	83.01	87.20	74.22	75.99
4162	NASDAQ	ATRI	Tue, Nov 18, 2008	88.29	88.29	82.11	82.11
4161	NASDAQ	ATRI	Mon, Nov 17, 2008	85.01	92.34	85.01	90.53
4160	NASDAQ	ATRI	Fri, Nov 14, 2008	88.07	89.00	86.22	86.27
4159	NASDAQ	ATRI	Thu, Nov 13, 2008	84.51	90.20	83.26	88.91
4158	NASDAQ	ATRI	Wed, Nov 12, 2008	85.75	86.97	83.61	84.11
4157	NASDAQ	ATRI	Tue, Nov 11, 2008	93.86	93.86	85.86	85.86
4156	NASDAQ	ATRI	Mon, Nov 10, 2008	101.90	101.90	94.22	94.50
4155	NASDAQ	ATRI	Fri, Nov 7, 2008	99.30	103.44	99.30	103.44
4154	NASDAQ	ATRI	Thu, Nov 6, 2008	96.60	99.90	95.89	95.89
4153	NASDAQ	ATRI	Wed, Nov 5, 2008	102.56	102.56	93.53	96.69
4152	NASDAQ	ATRI	Tue, Nov 4, 2008	104.00	104.00	101.00	103.39
4151	NASDAQ	ATRI	Mon, Nov 3, 2008	100.30	103.57	97.04	103.57
4150	NASDAQ	ATRI	Fri, Oct 31, 2008	91.88	98.96	90.72	98.96
4149	NASDAQ	ATRI	Thu, Oct 30, 2008	95.83	97.50	90.04	93.94
4148	NASDAQ	ATRI	Wed, Oct 29, 2008	92.00	92.00	89.17	91.28
4147	NASDAQ	ATRI	Tue, Oct 28, 2008	86.67	92.99	86.67	91.99
4146	NASDAQ	ATRI	Mon, Oct 27, 2008	90.01	90.71	87.10	87.10
4145	NASDAQ	ATRI	Fri, Oct 24, 2008	85.75	96.75	85.75	96.03
4144	NASDAQ	ATRI	Thu, Oct 23, 2008	91.99	99.51	89.35	96.25
4143	NASDAQ	ATRI	Wed, Oct 22, 2008	93.50	94.00	89.36	89.36
4142	NASDAQ	ATRI	Tue, Oct 21, 2008	99.95	99.95	96.15	97.10
4141	NASDAQ	ATRI	Mon, Oct 20, 2008	104.99	105.30	97.05	102.70
4140	NASDAQ	ATRI	Fri, Oct 17, 2008	93.43	106.94	93.42	102.30
4139	NASDAQ	ATRI	Thu, Oct 16, 2008	87.00	98.12	86.50	97.35
4138	NASDAQ	ATRI	Wed, Oct 15, 2008	88.89	92.41	85.05	86.97
4137	NASDAQ	ATRI	Tue, Oct 14, 2008	93.76	95.93	90.01	90.01
4136	NASDAQ	ATRI	Mon, Oct 13, 2008	94.36	95.98	90.63	93.75
4135	NASDAQ	ATRI	Fri, Oct 10, 2008	74.13	95.03	69.01	93.11
4134	NASDAQ	ATRI	Thu, Oct 9, 2008	90.21	99.00	88.00	88.99
4133	NASDAQ	ATRI	Wed, Oct 8, 2008	86.71	98.90	86.71	98.38
4132	NASDAQ	ATRI	Tue, Oct 7, 2008	91.16	96.25	89.76	90.35
4131	NASDAQ	ATRI	Mon, Oct 6, 2008	101.61	101.61	88.04	91.05
4130	NASDAQ	ATRI	Fri, Oct 3, 2008	108.15	111.00	103.00	104.26
4129	NASDAQ	ATRI	Thu, Oct 2, 2008	103.04	108.29	103.04	106.83
4128	NASDAQ	ATRI	Wed, Oct 1, 2008	106.11	107.51	103.07	103.07
4127	NASDAQ	ATRI	Tue, Sep 30, 2008	103.86	106.62	95.85	103.03
4126	NASDAQ	ATRI	Mon, Sep 29, 2008	104.02	109.43	104.00	104.00
4125	NASDAQ	ATRI	Fri, Sep 26, 2008	103.31	111.90	102.00	107.34
4124	NASDAQ	ATRI	Thu, Sep 25, 2008	107.00	107.00	103.05	106.39
4123	NASDAQ	ATRI	Wed, Sep 24, 2008	108.97	110.55	105.68	107.17
4122	NASDAQ	ATRI	Tue, Sep 23, 2008	102.86	108.48	102.86	105.68
4121	NASDAQ	ATRI	Mon, Sep 22, 2008	103.51	108.44	99.82	108.00
4120	NASDAQ	ATRI	Fri, Sep 19, 2008	106.99	113.33	100.00	113.33
4119	NASDAQ	ATRI	Thu, Sep 18, 2008	109.75	115.00	91.87	100.50
4118	NASDAQ	ATRI	Wed, Sep 17, 2008	113.62	113.62	103.87	107.70
4117	NASDAQ	ATRI	Tue, Sep 16, 2008	111.02	115.99	110.38	114.48
4116	NASDAQ	ATRI	Mon, Sep 15, 2008	112.21	114.90	110.88	111.09
4115	NASDAQ	ATRI	Fri, Sep 12, 2008	113.57	115.98	112.10	115.65
4114	NASDAQ	ATRI	Thu, Sep 11, 2008	114.00	116.99	111.54	115.98
4113	NASDAQ	ATRI	Wed, Sep 10, 2008	109.59	114.87	109.59	114.82
4112	NASDAQ	ATRI	Tue, Sep 9, 2008	112.99	113.07	106.92	106.92
4111	NASDAQ	ATRI	Mon, Sep 8, 2008	114.99	114.99	111.43	112.50
4110	NASDAQ	ATRI	Fri, Sep 5, 2008	110.88	112.99	108.01	110.37
4109	NASDAQ	ATRI	Thu, Sep 4, 2008	114.99	114.99	111.82	112.60
4108	NASDAQ	ATRI	Wed, Sep 3, 2008	113.99	114.99	113.99	114.46
4107	NASDAQ	ATRI	Tue, Sep 2, 2008	114.27	116.70	112.20	114.27
4106	NASDAQ	ATRI	Fri, Aug 29, 2008	116.54	116.54	112.99	115.28
4105	NASDAQ	ATRI	Thu, Aug 28, 2008	112.50	116.94	107.28	116.80
4104	NASDAQ	ATRI	Wed, Aug 27, 2008	109.80	113.00	109.80	113.00
4103	NASDAQ	ATRI	Tue, Aug 26, 2008	107.08	111.00	107.08	111.00
4102	NASDAQ	ATRI	Mon, Aug 25, 2008	107.83	109.64	107.01	107.01
4101	NASDAQ	ATRI	Thu, Aug 21, 2008	109.31	111.97	107.69	108.80
4100	NASDAQ	ATRI	Wed, Aug 20, 2008	112.99	113.00	109.07	111.29
4099	NASDAQ	ATRI	Tue, Aug 19, 2008	111.95	112.49	108.37	112.49
4098	NASDAQ	ATRI	Mon, Aug 18, 2008	112.50	112.50	108.03	109.80
4097	NASDAQ	ATRI	Fri, Aug 15, 2008	113.99	114.99	111.42	112.37
4096	NASDAQ	ATRI	Thu, Aug 14, 2008	107.17	113.51	107.17	113.27
4095	NASDAQ	ATRI	Wed, Aug 13, 2008	114.80	114.80	108.88	110.23
4094	NASDAQ	ATRI	Tue, Aug 12, 2008	113.59	115.00	112.43	115.00
4093	NASDAQ	ATRI	Mon, Aug 11, 2008	114.51	118.00	109.70	115.35
4092	NASDAQ	ATRI	Fri, Aug 8, 2008	105.92	116.00	105.92	114.00
4091	NASDAQ	ATRI	Thu, Aug 7, 2008	104.65	110.05	103.37	107.62
4090	NASDAQ	ATRI	Wed, Aug 6, 2008	105.71	109.50	105.71	107.50
4089	NASDAQ	ATRI	Tue, Aug 5, 2008	109.32	110.25	106.80	110.10
4088	NASDAQ	ATRI	Mon, Aug 4, 2008	108.26	109.93	105.56	109.32
4087	NASDAQ	ATRI	Fri, Aug 1, 2008	108.17	111.00	108.17	111.00
4086	NASDAQ	ATRI	Thu, Jul 31, 2008	110.91	111.89	109.09	110.42
4085	NASDAQ	ATRI	Wed, Jul 30, 2008	111.56	111.56	107.05	110.92
4084	NASDAQ	ATRI	Tue, Jul 29, 2008	107.17	112.42	105.57	111.56
4083	NASDAQ	ATRI	Mon, Jul 28, 2008	105.05	107.61	99.21	107.17
4082	NASDAQ	ATRI	Fri, Jul 25, 2008	104.35	109.97	100.15	109.97
4081	NASDAQ	ATRI	Thu, Jul 24, 2008	101.16	103.99	98.05	103.99
4080	NASDAQ	ATRI	Wed, Jul 23, 2008	99.33	101.51	99.33	100.63
4079	NASDAQ	ATRI	Tue, Jul 22, 2008	95.88	104.49	95.88	104.49
4078	NASDAQ	ATRI	Mon, Jul 21, 2008	99.06	101.77	99.06	100.20
4077	NASDAQ	ATRI	Fri, Jul 18, 2008	95.94	104.00	95.94	99.59
4076	NASDAQ	ATRI	Thu, Jul 17, 2008	100.31	101.78	96.27	98.50
4075	NASDAQ	ATRI	Wed, Jul 16, 2008	87.00	99.83	86.61	99.43
4074	NASDAQ	ATRI	Tue, Jul 15, 2008	84.99	89.20	84.02	85.97
4073	NASDAQ	ATRI	Mon, Jul 14, 2008	84.01	87.38	84.01	86.26
4072	NASDAQ	ATRI	Fri, Jul 11, 2008	85.00	87.83	84.55	85.00
4071	NASDAQ	ATRI	Thu, Jul 10, 2008	86.05	89.38	84.10	85.53
4070	NASDAQ	ATRI	Wed, Jul 9, 2008	86.76	87.00	83.65	84.50
4069	NASDAQ	ATRI	Tue, Jul 8, 2008	83.50	88.10	82.66	86.71
4068	NASDAQ	ATRI	Mon, Jul 7, 2008	88.41	94.22	80.21	83.50
4067	NASDAQ	ATRI	Thu, Jul 3, 2008	86.52	88.00	86.00	87.19
4066	NASDAQ	ATRI	Wed, Jul 2, 2008	85.96	89.71	85.96	86.51
4065	NASDAQ	ATRI	Tue, Jul 1, 2008	95.00	95.45	88.01	89.77
4064	NASDAQ	ATRI	Mon, Jun 30, 2008	93.61	98.97	93.61	95.82
4063	NASDAQ	ATRI	Fri, Jun 27, 2008	95.87	100.42	93.41	93.88
4062	NASDAQ	ATRI	Thu, Jun 26, 2008	103.37	103.37	95.68	97.01
4061	NASDAQ	ATRI	Wed, Jun 25, 2008	99.21	99.21	98.48	98.50
4060	NASDAQ	ATRI	Tue, Jun 24, 2008	100.00	100.45	96.25	99.20
4059	NASDAQ	ATRI	Mon, Jun 23, 2008	102.31	102.31	99.50	99.50
4058	NASDAQ	ATRI	Fri, Jun 20, 2008	100.00	101.65	100.00	101.00
4057	NASDAQ	ATRI	Thu, Jun 19, 2008	99.00	100.50	99.00	100.50
4056	NASDAQ	ATRI	Wed, Jun 18, 2008	103.40	104.00	97.35	98.34
4055	NASDAQ	ATRI	Tue, Jun 17, 2008	104.20	108.03	104.00	104.04
4054	NASDAQ	ATRI	Mon, Jun 16, 2008	106.81	110.75	104.33	107.43
4053	NASDAQ	ATRI	Fri, Jun 13, 2008	109.55	109.55	104.00	107.49
4052	NASDAQ	ATRI	Thu, Jun 12, 2008	109.00	112.24	109.00	109.02
4051	NASDAQ	ATRI	Wed, Jun 11, 2008	112.29	112.29	108.06	110.00
4050	NASDAQ	ATRI	Tue, Jun 10, 2008	108.50	109.97	105.22	109.97
4049	NASDAQ	ATRI	Mon, Jun 9, 2008	110.00	110.00	108.51	108.51
4048	NASDAQ	ATRI	Fri, Jun 6, 2008	111.00	111.00	107.81	107.81
4047	NASDAQ	ATRI	Thu, Jun 5, 2008	107.00	111.50	106.90	111.50
4046	NASDAQ	ATRI	Wed, Jun 4, 2008	105.40	107.94	105.40	105.59
4045	NASDAQ	ATRI	Tue, Jun 3, 2008	106.05	108.30	105.52	105.75
4044	NASDAQ	ATRI	Mon, Jun 2, 2008	106.83	106.96	106.18	106.18
4043	NASDAQ	ATRI	Fri, May 30, 2008	107.01	108.50	106.50	108.50
4042	NASDAQ	ATRI	Thu, May 29, 2008	106.50	109.84	106.50	106.61
4041	NASDAQ	ATRI	Wed, May 28, 2008	107.89	110.00	107.46	107.88
4040	NASDAQ	ATRI	Tue, May 27, 2008	107.38	110.50	106.90	109.63
4039	NASDAQ	ATRI	Fri, May 23, 2008	111.01	111.01	108.01	109.99
4038	NASDAQ	ATRI	Thu, May 22, 2008	110.01	111.75	106.16	107.25
4037	NASDAQ	ATRI	Wed, May 21, 2008	112.27	112.27	111.00	111.00
4036	NASDAQ	ATRI	Tue, May 20, 2008	112.00	112.00	110.01	110.01
4035	NASDAQ	ATRI	Mon, May 19, 2008	114.99	114.99	112.97	112.97
4034	NASDAQ	ATRI	Fri, May 16, 2008	115.00	115.99	107.52	112.73
4033	NASDAQ	ATRI	Thu, May 15, 2008	113.49	115.50	113.49	115.50
4032	NASDAQ	ATRI	Wed, May 14, 2008	114.00	115.51	114.00	114.37
4031	NASDAQ	ATRI	Tue, May 13, 2008	109.20	115.52	109.20	114.40
4030	NASDAQ	ATRI	Mon, May 12, 2008	108.84	110.53	108.84	109.51
4029	NASDAQ	ATRI	Fri, May 9, 2008	112.00	112.00	111.00	111.06
4028	NASDAQ	ATRI	Thu, May 8, 2008	109.15	115.00	109.15	114.85
4027	NASDAQ	ATRI	Wed, May 7, 2008	110.08	110.08	109.96	109.96
4026	NASDAQ	ATRI	Tue, May 6, 2008	110.00	112.00	107.01	111.16
4025	NASDAQ	ATRI	Mon, May 5, 2008	109.25	109.25	107.06	107.06
4024	NASDAQ	ATRI	Fri, May 2, 2008	108.60	108.60	108.60	108.60
4023	NASDAQ	ATRI	Thu, May 1, 2008	110.55	110.55	110.55	110.55
4022	NASDAQ	ATRI	Wed, Apr 30, 2008	112.00	112.00	110.03	111.90
4021	NASDAQ	ATRI	Tue, Apr 29, 2008	111.01	116.75	111.01	111.97
4020	NASDAQ	ATRI	Mon, Apr 28, 2008	113.75	114.99	108.79	112.00
4019	NASDAQ	ATRI	Fri, Apr 25, 2008	111.25	113.75	110.01	110.01
4018	NASDAQ	ATRI	Thu, Apr 24, 2008	110.00	111.00	110.00	111.00
4017	NASDAQ	ATRI	Wed, Apr 23, 2008	109.75	109.90	105.71	109.90
4016	NASDAQ	ATRI	Tue, Apr 22, 2008	108.00	109.00	107.00	107.00
4015	NASDAQ	ATRI	Mon, Apr 21, 2008	109.84	109.84	108.75	108.87
4014	NASDAQ	ATRI	Fri, Apr 18, 2008	108.00	111.00	107.29	110.00
4013	NASDAQ	ATRI	Thu, Apr 17, 2008	104.00	110.98	103.60	105.65
4012	NASDAQ	ATRI	Wed, Apr 16, 2008	102.40	102.75	101.23	101.50
4011	NASDAQ	ATRI	Tue, Apr 15, 2008	100.52	101.85	100.52	101.01
4010	NASDAQ	ATRI	Mon, Apr 14, 2008	102.75	102.75	101.00	101.43
4009	NASDAQ	ATRI	Fri, Apr 11, 2008	101.00	105.00	101.00	103.00
4008	NASDAQ	ATRI	Thu, Apr 10, 2008	99.74	107.99	99.74	103.32
4007	NASDAQ	ATRI	Wed, Apr 9, 2008	100.65	100.65	100.00	100.00
4006	NASDAQ	ATRI	Tue, Apr 8, 2008	100.00	101.02	99.60	100.63
4005	NASDAQ	ATRI	Thu, Apr 3, 2008	100.00	100.00	100.00	100.00
4004	NASDAQ	ATRI	Wed, Apr 2, 2008	102.00	102.00	102.00	102.00
4003	NASDAQ	ATRI	Tue, Apr 1, 2008	100.00	102.20	100.00	102.00
4002	NASDAQ	ATRI	Fri, Mar 28, 2008	99.50	100.30	99.25	99.99
4001	NASDAQ	ATRI	Thu, Mar 27, 2008	101.57	102.00	97.75	98.76
4000	NASDAQ	ATRI	Wed, Mar 26, 2008	101.00	102.90	101.00	102.90
3999	NASDAQ	ATRI	Tue, Mar 25, 2008	100.00	102.99	99.25	101.00
3998	NASDAQ	ATRI	Mon, Mar 24, 2008	101.00	101.00	99.99	99.99
3997	NASDAQ	ATRI	Thu, Mar 20, 2008	97.92	101.00	96.93	101.00
3996	NASDAQ	ATRI	Wed, Mar 19, 2008	99.75	101.96	99.75	100.00
3995	NASDAQ	ATRI	Tue, Mar 18, 2008	97.00	102.98	97.00	100.00
3994	NASDAQ	ATRI	Mon, Mar 17, 2008	99.99	99.99	95.77	96.23
3993	NASDAQ	ATRI	Fri, Mar 14, 2008	101.01	103.01	101.00	102.00
3992	NASDAQ	ATRI	Thu, Mar 13, 2008	99.56	103.99	98.76	100.00
3991	NASDAQ	ATRI	Wed, Mar 12, 2008	102.00	104.47	102.00	103.00
3990	NASDAQ	ATRI	Tue, Mar 11, 2008	99.95	101.99	99.95	101.49
3989	NASDAQ	ATRI	Mon, Mar 10, 2008	99.55	100.00	98.53	98.53
3988	NASDAQ	ATRI	Fri, Mar 7, 2008	99.99	99.99	99.99	99.99
3987	NASDAQ	ATRI	Thu, Mar 6, 2008	104.16	104.16	100.21	100.21
3986	NASDAQ	ATRI	Wed, Mar 5, 2008	101.99	103.83	99.99	103.83
3985	NASDAQ	ATRI	Tue, Mar 4, 2008	100.12	102.00	96.50	102.00
3984	NASDAQ	ATRI	Mon, Mar 3, 2008	100.50	102.00	100.00	100.98
3983	NASDAQ	ATRI	Fri, Feb 29, 2008	105.81	105.81	100.50	102.00
3982	NASDAQ	ATRI	Thu, Feb 28, 2008	102.97	106.96	102.01	103.22
3981	NASDAQ	ATRI	Wed, Feb 27, 2008	101.00	101.00	98.20	100.88
3980	NASDAQ	ATRI	Tue, Feb 26, 2008	108.00	108.01	98.11	99.95
3979	NASDAQ	ATRI	Mon, Feb 25, 2008	126.50	126.50	105.01	108.00
3978	NASDAQ	ATRI	Fri, Feb 22, 2008	129.43	130.00	127.58	129.62
3977	NASDAQ	ATRI	Thu, Feb 21, 2008	125.14	125.14	125.14	125.14
3976	NASDAQ	ATRI	Wed, Feb 20, 2008	126.20	126.20	126.20	126.20
3975	NASDAQ	ATRI	Tue, Feb 19, 2008	126.06	126.42	126.06	126.42
3974	NASDAQ	ATRI	Fri, Feb 15, 2008	130.25	130.25	127.53	127.75
3973	NASDAQ	ATRI	Thu, Feb 14, 2008	129.00	130.72	128.20	129.30
3972	NASDAQ	ATRI	Wed, Feb 13, 2008	128.79	131.00	123.71	125.55
3971	NASDAQ	ATRI	Tue, Feb 12, 2008	128.37	129.46	126.73	126.97
3970	NASDAQ	ATRI	Mon, Feb 11, 2008	127.99	128.00	127.99	128.00
3969	NASDAQ	ATRI	Fri, Feb 8, 2008	122.75	127.43	122.75	125.03
3968	NASDAQ	ATRI	Thu, Feb 7, 2008	123.49	126.21	122.50	125.30
3967	NASDAQ	ATRI	Wed, Feb 6, 2008	122.13	122.13	122.13	122.13
3966	NASDAQ	ATRI	Tue, Feb 5, 2008	125.25	125.50	122.62	125.50
3965	NASDAQ	ATRI	Fri, Feb 1, 2008	124.00	125.49	120.07	125.49
3964	NASDAQ	ATRI	Thu, Jan 31, 2008	121.50	125.75	121.31	122.58
3963	NASDAQ	ATRI	Wed, Jan 30, 2008	122.00	126.00	122.00	126.00
3962	NASDAQ	ATRI	Tue, Jan 29, 2008	123.41	126.50	123.35	126.32
3961	NASDAQ	ATRI	Mon, Jan 28, 2008	124.09	126.50	124.09	126.50
3960	NASDAQ	ATRI	Fri, Jan 25, 2008	126.07	128.07	125.14	126.50
3959	NASDAQ	ATRI	Thu, Jan 24, 2008	120.01	125.03	120.01	123.05
3958	NASDAQ	ATRI	Wed, Jan 23, 2008	120.04	121.50	119.00	120.00
3957	NASDAQ	ATRI	Tue, Jan 22, 2008	123.14	127.01	120.06	123.71
3956	NASDAQ	ATRI	Fri, Jan 18, 2008	130.00	130.42	128.20	128.21
3955	NASDAQ	ATRI	Thu, Jan 17, 2008	133.82	133.82	128.00	131.25
3954	NASDAQ	ATRI	Wed, Jan 16, 2008	129.82	132.00	129.82	132.00
3953	NASDAQ	ATRI	Tue, Jan 15, 2008	133.88	133.88	131.06	132.25
3952	NASDAQ	ATRI	Mon, Jan 14, 2008	131.98	133.75	129.50	132.01
3951	NASDAQ	ATRI	Fri, Jan 11, 2008	127.10	131.00	127.10	129.26
3950	NASDAQ	ATRI	Thu, Jan 10, 2008	126.80	129.72	124.75	129.44
3949	NASDAQ	ATRI	Wed, Jan 9, 2008	126.24	126.35	123.50	126.35
3948	NASDAQ	ATRI	Tue, Jan 8, 2008	125.50	126.50	123.20	126.50
3947	NASDAQ	ATRI	Mon, Jan 7, 2008	125.90	125.90	122.25	122.34
3946	NASDAQ	ATRI	Fri, Jan 4, 2008	125.04	126.00	125.04	125.49
3945	NASDAQ	ATRI	Thu, Jan 3, 2008	125.99	125.99	122.55	122.55
3944	NASDAQ	ATRI	Wed, Jan 2, 2008	125.50	125.50	121.85	124.81
3943	NASDAQ	ATRI	Mon, Dec 31, 2007	124.88	128.20	122.02	125.00
3942	NASDAQ	ATRI	Fri, Dec 28, 2007	121.02	124.69	121.02	124.69
3941	NASDAQ	ATRI	Thu, Dec 27, 2007	121.55	124.37	121.55	124.37
3940	NASDAQ	ATRI	Wed, Dec 26, 2007	123.50	123.50	123.00	123.00
3939	NASDAQ	ATRI	Mon, Dec 24, 2007	124.94	124.94	123.05	123.05
3938	NASDAQ	ATRI	Fri, Dec 21, 2007	120.93	124.00	118.35	122.51
3937	NASDAQ	ATRI	Thu, Dec 20, 2007	112.70	120.90	112.70	118.53
3936	NASDAQ	ATRI	Wed, Dec 19, 2007	109.25	111.44	109.25	111.44
3935	NASDAQ	ATRI	Tue, Dec 18, 2007	107.50	110.73	107.45	109.00
3934	NASDAQ	ATRI	Mon, Dec 17, 2007	107.41	110.00	107.41	107.65
3933	NASDAQ	ATRI	Fri, Dec 14, 2007	108.16	110.00	107.45	109.00
3932	NASDAQ	ATRI	Thu, Dec 13, 2007	114.71	114.71	109.66	109.86
3931	NASDAQ	ATRI	Wed, Dec 12, 2007	117.00	117.00	115.00	115.00
3930	NASDAQ	ATRI	Tue, Dec 11, 2007	116.84	117.00	116.84	117.00
3929	NASDAQ	ATRI	Mon, Dec 10, 2007	114.82	116.11	114.56	115.54
3928	NASDAQ	ATRI	Fri, Dec 7, 2007	116.10	117.00	115.31	116.00
3927	NASDAQ	ATRI	Thu, Dec 6, 2007	119.81	119.81	116.73	117.00
3926	NASDAQ	ATRI	Wed, Dec 5, 2007	117.75	119.00	115.77	118.14
3925	NASDAQ	ATRI	Tue, Dec 4, 2007	119.77	119.99	117.11	117.77
3924	NASDAQ	ATRI	Mon, Dec 3, 2007	117.40	119.72	117.40	119.51
3923	NASDAQ	ATRI	Fri, Nov 30, 2007	118.35	118.98	118.32	118.77
3922	NASDAQ	ATRI	Thu, Nov 29, 2007	117.05	118.56	117.02	118.25
3921	NASDAQ	ATRI	Wed, Nov 28, 2007	119.89	119.89	116.80	116.80
3920	NASDAQ	ATRI	Tue, Nov 27, 2007	119.00	119.88	118.20	119.88
3919	NASDAQ	ATRI	Mon, Nov 26, 2007	121.25	121.25	118.02	119.67
3918	NASDAQ	ATRI	Fri, Nov 23, 2007	121.85	121.85	120.10	121.07
3917	NASDAQ	ATRI	Wed, Nov 21, 2007	121.79	121.79	117.10	119.99
3916	NASDAQ	ATRI	Tue, Nov 20, 2007	120.09	121.80	119.77	119.77
3915	NASDAQ	ATRI	Mon, Nov 19, 2007	119.32	120.00	116.32	120.00
3914	NASDAQ	ATRI	Fri, Nov 16, 2007	124.25	124.60	117.12	119.32
3913	NASDAQ	ATRI	Thu, Nov 15, 2007	124.25	124.25	122.82	122.82
3912	NASDAQ	ATRI	Wed, Nov 14, 2007	124.85	124.85	121.74	124.00
3911	NASDAQ	ATRI	Tue, Nov 13, 2007	121.50	125.04	121.50	123.33
3910	NASDAQ	ATRI	Mon, Nov 12, 2007	118.07	121.19	117.24	119.50
3909	NASDAQ	ATRI	Fri, Nov 9, 2007	120.04	120.04	120.00	120.00
3908	NASDAQ	ATRI	Thu, Nov 8, 2007	122.50	122.75	117.22	119.24
3907	NASDAQ	ATRI	Wed, Nov 7, 2007	125.96	125.96	122.36	122.36
3906	NASDAQ	ATRI	Tue, Nov 6, 2007	125.97	126.00	125.97	126.00
3905	NASDAQ	ATRI	Mon, Nov 5, 2007	125.92	126.86	125.35	126.00
3904	NASDAQ	ATRI	Fri, Nov 2, 2007	124.02	125.49	124.02	125.49
3903	NASDAQ	ATRI	Thu, Nov 1, 2007	124.90	125.98	122.02	125.98
3902	NASDAQ	ATRI	Wed, Oct 31, 2007	124.23	124.24	124.23	124.24
3901	NASDAQ	ATRI	Tue, Oct 30, 2007	123.96	123.96	123.00	123.49
3900	NASDAQ	ATRI	Mon, Oct 29, 2007	123.40	123.96	123.40	123.96
3899	NASDAQ	ATRI	Fri, Oct 26, 2007	120.57	121.77	119.40	121.77
3898	NASDAQ	ATRI	Thu, Oct 25, 2007	121.34	122.83	120.71	121.66
3897	NASDAQ	ATRI	Wed, Oct 24, 2007	119.47	120.41	119.34	120.04
3896	NASDAQ	ATRI	Tue, Oct 23, 2007	116.81	119.94	116.81	117.96
3895	NASDAQ	ATRI	Mon, Oct 22, 2007	117.55	119.53	117.01	119.53
3894	NASDAQ	ATRI	Fri, Oct 19, 2007	118.47	120.40	118.47	120.36
3893	NASDAQ	ATRI	Thu, Oct 18, 2007	122.59	123.00	122.59	122.98
3892	NASDAQ	ATRI	Wed, Oct 17, 2007	121.88	122.96	120.79	121.65
3891	NASDAQ	ATRI	Tue, Oct 16, 2007	121.40	121.40	119.49	120.57
3890	NASDAQ	ATRI	Mon, Oct 15, 2007	121.84	121.97	118.01	119.31
3889	NASDAQ	ATRI	Fri, Oct 12, 2007	116.80	119.65	116.26	119.65
3888	NASDAQ	ATRI	Thu, Oct 11, 2007	122.27	122.27	119.67	121.98
3887	NASDAQ	ATRI	Wed, Oct 10, 2007	120.57	121.49	118.59	118.59
3886	NASDAQ	ATRI	Tue, Oct 9, 2007	122.31	122.31	122.31	122.31
3885	NASDAQ	ATRI	Mon, Oct 8, 2007	117.06	123.67	116.77	118.65
3884	NASDAQ	ATRI	Fri, Oct 5, 2007	118.03	118.25	117.17	118.00
3883	NASDAQ	ATRI	Thu, Oct 4, 2007	119.21	119.22	119.16	119.16
3882	NASDAQ	ATRI	Wed, Oct 3, 2007	122.05	122.05	121.00	121.00
3881	NASDAQ	ATRI	Tue, Oct 2, 2007	123.67	123.67	122.00	122.00
3880	NASDAQ	ATRI	Mon, Oct 1, 2007	125.01	125.01	124.01	124.38
3879	NASDAQ	ATRI	Fri, Sep 28, 2007	122.98	125.04	122.98	125.00
3878	NASDAQ	ATRI	Thu, Sep 27, 2007	122.00	123.00	122.00	123.00
3877	NASDAQ	ATRI	Wed, Sep 26, 2007	120.99	121.96	120.99	121.94
3876	NASDAQ	ATRI	Mon, Sep 24, 2007	118.99	121.00	118.99	121.00
3875	NASDAQ	ATRI	Fri, Sep 21, 2007	118.49	118.50	118.25	118.50
3874	NASDAQ	ATRI	Thu, Sep 20, 2007	115.54	117.99	115.54	117.99
3873	NASDAQ	ATRI	Wed, Sep 19, 2007	117.00	117.00	116.50	116.50
3872	NASDAQ	ATRI	Tue, Sep 18, 2007	118.00	118.00	116.50	117.00
3871	NASDAQ	ATRI	Mon, Sep 17, 2007	111.12	118.00	111.12	118.00
3870	NASDAQ	ATRI	Fri, Sep 14, 2007	116.88	117.00	116.40	117.00
3869	NASDAQ	ATRI	Thu, Sep 13, 2007	116.51	116.51	113.57	114.98
3868	NASDAQ	ATRI	Wed, Sep 12, 2007	113.00	114.65	113.00	114.65
3867	NASDAQ	ATRI	Tue, Sep 11, 2007	116.90	116.90	114.21	114.21
3866	NASDAQ	ATRI	Mon, Sep 10, 2007	116.87	116.87	116.37	116.37
3865	NASDAQ	ATRI	Fri, Sep 7, 2007	111.06	114.00	111.06	113.51
3864	NASDAQ	ATRI	Thu, Sep 6, 2007	115.87	116.00	115.80	116.00
3863	NASDAQ	ATRI	Wed, Sep 5, 2007	114.46	117.00	114.46	116.75
3862	NASDAQ	ATRI	Tue, Sep 4, 2007	113.97	114.25	113.50	114.21
3861	NASDAQ	ATRI	Fri, Aug 31, 2007	106.13	114.00	106.13	114.00
3860	NASDAQ	ATRI	Thu, Aug 30, 2007	111.01	111.90	111.01	111.90
3859	NASDAQ	ATRI	Wed, Aug 29, 2007	111.50	112.50	111.50	112.50
3858	NASDAQ	ATRI	Tue, Aug 28, 2007	108.00	111.48	108.00	111.48
3857	NASDAQ	ATRI	Mon, Aug 27, 2007	107.98	109.15	106.88	108.52
3856	NASDAQ	ATRI	Fri, Aug 24, 2007	104.96	107.49	104.96	107.49
3855	NASDAQ	ATRI	Thu, Aug 23, 2007	103.40	104.78	103.40	104.58
3854	NASDAQ	ATRI	Wed, Aug 22, 2007	101.45	103.00	101.45	103.00
3853	NASDAQ	ATRI	Tue, Aug 21, 2007	99.34	100.25	99.26	99.26
3852	NASDAQ	ATRI	Mon, Aug 20, 2007	100.11	101.45	100.01	101.45
3851	NASDAQ	ATRI	Fri, Aug 17, 2007	102.00	102.98	100.76	102.47
3850	NASDAQ	ATRI	Thu, Aug 16, 2007	98.40	99.52	98.15	98.93
3849	NASDAQ	ATRI	Wed, Aug 15, 2007	102.92	104.94	100.51	101.00
3848	NASDAQ	ATRI	Tue, Aug 14, 2007	101.25	102.84	100.22	100.23
3847	NASDAQ	ATRI	Mon, Aug 13, 2007	99.11	104.54	99.11	103.93
3846	NASDAQ	ATRI	Fri, Aug 10, 2007	100.40	103.01	97.50	100.54
3845	NASDAQ	ATRI	Thu, Aug 9, 2007	101.00	105.89	101.00	105.87
3844	NASDAQ	ATRI	Wed, Aug 8, 2007	105.01	108.00	105.00	105.26
3843	NASDAQ	ATRI	Tue, Aug 7, 2007	96.01	99.99	96.01	99.90
3842	NASDAQ	ATRI	Mon, Aug 6, 2007	97.55	99.33	95.05	96.30
3841	NASDAQ	ATRI	Fri, Aug 3, 2007	102.70	106.35	100.00	100.00
3840	NASDAQ	ATRI	Thu, Aug 2, 2007	106.37	106.51	104.44	104.44
3839	NASDAQ	ATRI	Wed, Aug 1, 2007	104.39	106.85	104.33	104.34
3838	NASDAQ	ATRI	Tue, Jul 31, 2007	98.08	106.83	98.08	104.42
3837	NASDAQ	ATRI	Mon, Jul 30, 2007	102.79	107.43	97.67	101.20
3836	NASDAQ	ATRI	Fri, Jul 27, 2007	102.04	102.89	99.14	102.89
3835	NASDAQ	ATRI	Thu, Jul 26, 2007	100.69	100.69	96.70	97.57
3834	NASDAQ	ATRI	Wed, Jul 25, 2007	107.14	107.20	100.76	103.28
3833	NASDAQ	ATRI	Tue, Jul 24, 2007	110.38	110.38	107.59	107.63
3832	NASDAQ	ATRI	Mon, Jul 23, 2007	110.50	110.50	110.33	110.33
3831	NASDAQ	ATRI	Fri, Jul 20, 2007	109.96	109.96	107.15	108.00
3830	NASDAQ	ATRI	Thu, Jul 19, 2007	109.70	110.40	108.22	109.53
3829	NASDAQ	ATRI	Wed, Jul 18, 2007	107.58	110.50	107.58	110.49
3828	NASDAQ	ATRI	Tue, Jul 17, 2007	105.00	110.00	105.00	109.95
3827	NASDAQ	ATRI	Mon, Jul 16, 2007	103.00	105.00	103.00	105.00
3826	NASDAQ	ATRI	Fri, Jul 13, 2007	104.00	104.00	103.60	103.60
3825	NASDAQ	ATRI	Thu, Jul 12, 2007	102.80	103.99	102.80	103.99
3824	NASDAQ	ATRI	Wed, Jul 11, 2007	102.70	103.89	102.51	102.56
3823	NASDAQ	ATRI	Tue, Jul 10, 2007	103.00	104.00	103.00	104.00
3822	NASDAQ	ATRI	Mon, Jul 9, 2007	102.00	103.00	101.95	102.69
3821	NASDAQ	ATRI	Fri, Jul 6, 2007	101.38	101.49	100.89	101.49
3820	NASDAQ	ATRI	Thu, Jul 5, 2007	100.99	101.91	99.16	101.29
3819	NASDAQ	ATRI	Tue, Jul 3, 2007	99.96	99.96	99.96	99.96
3818	NASDAQ	ATRI	Mon, Jul 2, 2007	99.55	100.00	99.55	100.00
3817	NASDAQ	ATRI	Fri, Jun 29, 2007	97.90	98.79	97.90	98.79
3816	NASDAQ	ATRI	Thu, Jun 28, 2007	98.56	98.77	96.49	97.82
3815	NASDAQ	ATRI	Wed, Jun 27, 2007	96.68	98.05	96.68	97.94
3814	NASDAQ	ATRI	Tue, Jun 26, 2007	97.44	97.49	97.10	97.19
3813	NASDAQ	ATRI	Mon, Jun 25, 2007	94.70	96.88	94.70	96.88
3812	NASDAQ	ATRI	Fri, Jun 22, 2007	96.51	97.98	94.99	95.02
3811	NASDAQ	ATRI	Thu, Jun 21, 2007	93.43	96.98	93.43	95.00
3810	NASDAQ	ATRI	Wed, Jun 20, 2007	94.68	94.98	94.68	94.98
3809	NASDAQ	ATRI	Tue, Jun 19, 2007	93.39	94.42	92.83	93.65
3808	NASDAQ	ATRI	Mon, Jun 18, 2007	91.90	93.20	91.90	93.20
3807	NASDAQ	ATRI	Thu, Jun 14, 2007	93.38	93.38	92.00	92.20
3806	NASDAQ	ATRI	Wed, Jun 13, 2007	94.98	94.98	92.20	92.26
3805	NASDAQ	ATRI	Tue, Jun 12, 2007	92.41	92.41	90.46	90.50
3804	NASDAQ	ATRI	Mon, Jun 11, 2007	91.99	92.49	91.93	92.49
3803	NASDAQ	ATRI	Fri, Jun 8, 2007	91.90	92.02	91.89	92.00
3802	NASDAQ	ATRI	Thu, Jun 7, 2007	91.69	92.00	91.69	92.00
3801	NASDAQ	ATRI	Wed, Jun 6, 2007	92.02	92.02	92.02	92.02
3800	NASDAQ	ATRI	Tue, Jun 5, 2007	92.00	92.73	91.71	92.73
3799	NASDAQ	ATRI	Mon, Jun 4, 2007	91.01	91.48	91.01	91.48
3798	NASDAQ	ATRI	Fri, Jun 1, 2007	91.08	91.10	91.06	91.10
3797	NASDAQ	ATRI	Thu, May 31, 2007	92.00	92.00	91.08	91.08
3796	NASDAQ	ATRI	Wed, May 30, 2007	91.50	92.11	91.05	91.32
3795	NASDAQ	ATRI	Tue, May 29, 2007	92.00	92.00	91.64	91.66
3794	NASDAQ	ATRI	Fri, May 25, 2007	93.00	93.00	92.50	92.50
3793	NASDAQ	ATRI	Wed, May 23, 2007	93.39	93.39	92.54	92.56
3792	NASDAQ	ATRI	Tue, May 22, 2007	93.50	94.04	93.00	93.00
3791	NASDAQ	ATRI	Mon, May 21, 2007	93.50	94.00	92.59	93.50
3790	NASDAQ	ATRI	Wed, May 16, 2007	93.50	93.50	93.50	93.50
3789	NASDAQ	ATRI	Tue, May 15, 2007	93.45	93.45	93.45	93.45
3788	NASDAQ	ATRI	Mon, May 14, 2007	93.36	93.36	92.81	92.81
3787	NASDAQ	ATRI	Fri, May 11, 2007	93.90	94.75	93.02	93.48
3786	NASDAQ	ATRI	Thu, May 10, 2007	93.00	96.50	92.51	93.25
3785	NASDAQ	ATRI	Wed, May 9, 2007	90.56	91.49	90.56	91.49
3784	NASDAQ	ATRI	Tue, May 8, 2007	92.00	92.05	92.00	92.05
3783	NASDAQ	ATRI	Mon, May 7, 2007	91.01	92.00	91.01	92.00
3782	NASDAQ	ATRI	Tue, May 1, 2007	92.49	92.49	91.75	91.75
3781	NASDAQ	ATRI	Mon, Apr 30, 2007	92.49	92.49	92.49	92.49
3780	NASDAQ	ATRI	Fri, Apr 27, 2007	91.51	91.51	91.51	91.51
3779	NASDAQ	ATRI	Thu, Apr 26, 2007	91.51	91.51	91.51	91.51
3778	NASDAQ	ATRI	Mon, Apr 23, 2007	90.43	92.90	90.43	90.56
3777	NASDAQ	ATRI	Fri, Apr 20, 2007	91.80	91.80	91.80	91.80
3776	NASDAQ	ATRI	Thu, Apr 19, 2007	91.80	91.99	91.80	91.99
3775	NASDAQ	ATRI	Wed, Apr 18, 2007	92.00	92.00	92.00	92.00
3774	NASDAQ	ATRI	Tue, Apr 17, 2007	92.49	92.49	92.00	92.00
3773	NASDAQ	ATRI	Mon, Apr 16, 2007	90.50	90.50	90.50	90.50
3772	NASDAQ	ATRI	Thu, Apr 12, 2007	90.70	92.45	90.70	91.54
3771	NASDAQ	ATRI	Wed, Apr 11, 2007	90.22	92.52	90.22	92.52
3770	NASDAQ	ATRI	Tue, Apr 10, 2007	90.19	90.52	90.19	90.19
3769	NASDAQ	ATRI	Mon, Apr 9, 2007	91.66	91.66	90.19	90.50
3768	NASDAQ	ATRI	Thu, Apr 5, 2007	91.45	91.90	90.00	91.79
3767	NASDAQ	ATRI	Wed, Apr 4, 2007	89.50	89.50	89.50	89.50
3766	NASDAQ	ATRI	Tue, Apr 3, 2007	90.32	90.70	86.34	89.78
3765	NASDAQ	ATRI	Mon, Apr 2, 2007	91.25	91.56	91.00	91.01
3764	NASDAQ	ATRI	Fri, Mar 30, 2007	91.64	91.82	91.64	91.82
3763	NASDAQ	ATRI	Thu, Mar 29, 2007	90.03	91.51	90.03	91.51
3762	NASDAQ	ATRI	Wed, Mar 28, 2007	90.00	90.03	90.00	90.01
3761	NASDAQ	ATRI	Tue, Mar 27, 2007	90.06	91.90	90.06	90.96
3760	NASDAQ	ATRI	Mon, Mar 26, 2007	90.97	91.05	90.97	91.05
3759	NASDAQ	ATRI	Thu, Mar 22, 2007	90.00	90.56	90.00	90.56
3758	NASDAQ	ATRI	Wed, Mar 21, 2007	90.06	90.93	90.00	90.00
3757	NASDAQ	ATRI	Tue, Mar 20, 2007	89.48	90.00	89.48	90.00
3756	NASDAQ	ATRI	Mon, Mar 19, 2007	88.15	90.00	88.15	88.97
3755	NASDAQ	ATRI	Fri, Mar 16, 2007	87.97	91.46	87.97	91.46
3754	NASDAQ	ATRI	Thu, Mar 15, 2007	89.68	89.68	89.34	89.34
3753	NASDAQ	ATRI	Wed, Mar 14, 2007	91.75	91.75	89.90	89.99
3752	NASDAQ	ATRI	Tue, Mar 13, 2007	93.84	93.88	88.79	91.75
3751	NASDAQ	ATRI	Mon, Mar 12, 2007	90.78	94.03	90.78	94.03
3750	NASDAQ	ATRI	Fri, Mar 9, 2007	94.45	94.45	94.45	94.45
3749	NASDAQ	ATRI	Thu, Mar 8, 2007	94.50	94.51	94.45	94.45
3748	NASDAQ	ATRI	Wed, Mar 7, 2007	94.50	94.50	94.49	94.50
3747	NASDAQ	ATRI	Tue, Mar 6, 2007	93.80	94.48	93.80	94.48
3746	NASDAQ	ATRI	Mon, Mar 5, 2007	90.00	94.03	90.00	93.85
3745	NASDAQ	ATRI	Fri, Mar 2, 2007	93.23	94.00	93.23	94.00
3744	NASDAQ	ATRI	Thu, Mar 1, 2007	95.00	95.00	93.00	94.00
3743	NASDAQ	ATRI	Wed, Feb 28, 2007	94.38	94.38	94.38	94.38
3742	NASDAQ	ATRI	Tue, Feb 27, 2007	91.00	94.05	91.00	94.03
3741	NASDAQ	ATRI	Mon, Feb 26, 2007	95.84	95.84	95.00	95.00
3740	NASDAQ	ATRI	Fri, Feb 23, 2007	94.14	94.14	93.98	94.14
3739	NASDAQ	ATRI	Thu, Feb 22, 2007	94.99	94.99	94.13	94.14
3738	NASDAQ	ATRI	Wed, Feb 21, 2007	94.99	94.99	92.46	94.00
3737	NASDAQ	ATRI	Tue, Feb 20, 2007	93.00	94.10	90.18	94.00
3736	NASDAQ	ATRI	Fri, Feb 16, 2007	95.00	95.00	92.95	93.00
3735	NASDAQ	ATRI	Thu, Feb 15, 2007	92.74	92.95	92.74	92.95
3734	NASDAQ	ATRI	Wed, Feb 14, 2007	94.99	94.99	93.00	93.03
3733	NASDAQ	ATRI	Tue, Feb 13, 2007	93.34	94.98	93.34	94.26
3732	NASDAQ	ATRI	Mon, Feb 12, 2007	94.00	95.00	94.00	94.60
3731	NASDAQ	ATRI	Fri, Feb 9, 2007	94.11	94.52	94.01	94.48
3730	NASDAQ	ATRI	Wed, Feb 7, 2007	94.33	94.33	91.28	93.67
3729	NASDAQ	ATRI	Mon, Feb 5, 2007	93.01	93.47	92.99	93.47
3728	NASDAQ	ATRI	Fri, Feb 2, 2007	92.09	92.09	92.09	92.09
3727	NASDAQ	ATRI	Thu, Feb 1, 2007	92.09	92.45	91.77	92.45
3726	NASDAQ	ATRI	Wed, Jan 31, 2007	92.14	92.14	91.99	91.99
3725	NASDAQ	ATRI	Tue, Jan 30, 2007	90.00	91.85	88.55	91.25
3724	NASDAQ	ATRI	Mon, Jan 29, 2007	94.68	94.68	92.04	93.23
3723	NASDAQ	ATRI	Fri, Jan 26, 2007	93.94	93.94	93.94	93.94
3722	NASDAQ	ATRI	Thu, Jan 25, 2007	94.86	94.86	93.20	93.67
3721	NASDAQ	ATRI	Wed, Jan 24, 2007	94.52	94.52	93.21	93.24
3720	NASDAQ	ATRI	Tue, Jan 23, 2007	93.49	93.73	93.00	93.47
3719	NASDAQ	ATRI	Mon, Jan 22, 2007	91.78	92.50	91.50	92.50
3718	NASDAQ	ATRI	Fri, Jan 19, 2007	91.93	92.00	90.85	91.71
3717	NASDAQ	ATRI	Thu, Jan 18, 2007	90.99	91.99	90.99	91.00
3716	NASDAQ	ATRI	Wed, Jan 17, 2007	91.98	91.98	90.97	91.98
3715	NASDAQ	ATRI	Tue, Jan 16, 2007	88.50	91.00	88.44	91.00
3714	NASDAQ	ATRI	Fri, Jan 12, 2007	88.84	89.00	87.90	88.25
3713	NASDAQ	ATRI	Thu, Jan 11, 2007	89.31	89.31	87.51	88.91
3712	NASDAQ	ATRI	Wed, Jan 10, 2007	85.10	87.40	85.04	86.78
3711	NASDAQ	ATRI	Tue, Jan 9, 2007	83.08	83.20	83.00	83.20
3710	NASDAQ	ATRI	Mon, Jan 8, 2007	79.97	82.10	79.95	81.99
3709	NASDAQ	ATRI	Fri, Jan 5, 2007	79.47	79.97	78.82	78.82
3708	NASDAQ	ATRI	Thu, Jan 4, 2007	78.32	78.46	78.25	78.43
3707	NASDAQ	ATRI	Wed, Jan 3, 2007	79.05	79.05	78.25	78.31
3706	NASDAQ	ATRI	Fri, Dec 29, 2006	75.92	77.75	75.92	77.74
3705	NASDAQ	ATRI	Thu, Dec 28, 2006	75.37	76.00	75.37	76.00
3704	NASDAQ	ATRI	Thu, Dec 21, 2006	76.48	76.48	74.85	76.25
3703	NASDAQ	ATRI	Wed, Dec 20, 2006	76.00	76.01	76.00	76.01
3702	NASDAQ	ATRI	Tue, Dec 19, 2006	76.48	76.56	76.48	76.48
3701	NASDAQ	ATRI	Mon, Dec 18, 2006	76.91	78.10	76.90	77.68
3700	NASDAQ	ATRI	Fri, Dec 15, 2006	77.22	77.72	77.18	77.72
3699	NASDAQ	ATRI	Thu, Dec 14, 2006	76.91	76.98	76.91	76.98
3698	NASDAQ	ATRI	Wed, Dec 13, 2006	77.76	77.76	77.76	77.76
3697	NASDAQ	ATRI	Tue, Dec 12, 2006	77.02	77.75	77.02	77.75
3696	NASDAQ	ATRI	Mon, Dec 11, 2006	77.20	77.45	77.00	77.45
3695	NASDAQ	ATRI	Fri, Dec 8, 2006	78.00	78.00	77.50	77.50
3694	NASDAQ	ATRI	Thu, Dec 7, 2006	77.00	77.20	77.00	77.20
3693	NASDAQ	ATRI	Wed, Dec 6, 2006	77.00	77.45	77.00	77.20
3692	NASDAQ	ATRI	Tue, Dec 5, 2006	77.69	77.69	76.45	77.50
3691	NASDAQ	ATRI	Mon, Dec 4, 2006	77.50	77.50	76.01	77.49
3690	NASDAQ	ATRI	Fri, Dec 1, 2006	77.93	77.98	77.93	77.98
3689	NASDAQ	ATRI	Thu, Nov 30, 2006	77.93	77.93	77.93	77.94
3688	NASDAQ	ATRI	Wed, Nov 29, 2006	77.21	78.08	77.21	78.08
3687	NASDAQ	ATRI	Mon, Nov 27, 2006	76.00	76.49	75.99	76.45
3686	NASDAQ	ATRI	Mon, Nov 20, 2006	75.90	76.39	75.90	76.39
3685	NASDAQ	ATRI	Thu, Nov 16, 2006	77.48	77.50	76.82	77.50
3684	NASDAQ	ATRI	Wed, Nov 15, 2006	76.67	77.68	76.67	77.68
3683	NASDAQ	ATRI	Tue, Nov 14, 2006	76.96	77.00	76.31	76.31
3682	NASDAQ	ATRI	Mon, Nov 13, 2006	74.76	76.27	74.75	75.85
3681	NASDAQ	ATRI	Fri, Nov 10, 2006	76.07	76.50	76.07	76.50
3680	NASDAQ	ATRI	Thu, Nov 9, 2006	77.26	77.26	75.99	76.01
3679	NASDAQ	ATRI	Tue, Nov 7, 2006	79.05	80.75	78.30	78.50
3678	NASDAQ	ATRI	Mon, Nov 6, 2006	78.25	78.50	77.00	77.00
3677	NASDAQ	ATRI	Fri, Nov 3, 2006	77.73	78.25	77.73	78.25
3676	NASDAQ	ATRI	Thu, Nov 2, 2006	78.00	78.00	77.74	77.74
3675	NASDAQ	ATRI	Wed, Nov 1, 2006	78.30	78.91	77.06	77.38
3674	NASDAQ	ATRI	Tue, Oct 31, 2006	75.75	75.75	75.13	75.13
3673	NASDAQ	ATRI	Mon, Oct 30, 2006	75.75	75.75	75.13	75.50
3672	NASDAQ	ATRI	Fri, Oct 27, 2006	75.75	75.75	75.75	75.75
3671	NASDAQ	ATRI	Thu, Oct 26, 2006	75.50	75.50	75.50	75.50
3670	NASDAQ	ATRI	Wed, Oct 25, 2006	75.74	75.75	75.19	75.50
3669	NASDAQ	ATRI	Tue, Oct 24, 2006	78.39	78.39	76.49	76.49
3668	NASDAQ	ATRI	Mon, Oct 23, 2006	75.86	77.01	75.80	77.01
3667	NASDAQ	ATRI	Thu, Oct 19, 2006	79.25	79.25	76.50	76.50
3666	NASDAQ	ATRI	Wed, Oct 18, 2006	79.50	79.52	79.35	79.52
3665	NASDAQ	ATRI	Mon, Oct 16, 2006	75.33	79.51	75.33	79.51
3664	NASDAQ	ATRI	Fri, Oct 13, 2006	78.54	78.54	75.12	78.54
3663	NASDAQ	ATRI	Thu, Oct 12, 2006	76.42	76.42	76.42	76.42
3662	NASDAQ	ATRI	Wed, Oct 11, 2006	78.50	78.50	78.44	78.50
3661	NASDAQ	ATRI	Tue, Oct 10, 2006	77.03	78.07	77.03	78.07
3660	NASDAQ	ATRI	Mon, Oct 9, 2006	78.57	78.80	78.08	78.80
3659	NASDAQ	ATRI	Fri, Oct 6, 2006	78.50	78.50	77.39	77.39
3658	NASDAQ	ATRI	Thu, Oct 5, 2006	78.50	78.50	78.50	78.50
3657	NASDAQ	ATRI	Wed, Oct 4, 2006	78.75	78.75	77.00	78.07
3656	NASDAQ	ATRI	Tue, Oct 3, 2006	78.60	78.60	78.27	78.28
3655	NASDAQ	ATRI	Mon, Oct 2, 2006	77.15	79.70	77.15	79.25
3654	NASDAQ	ATRI	Mon, Sep 25, 2006	77.17	78.00	77.01	77.01
3653	NASDAQ	ATRI	Fri, Sep 22, 2006	77.71	77.71	77.50	77.50
3652	NASDAQ	ATRI	Thu, Sep 21, 2006	74.55	74.55	72.49	73.49
3651	NASDAQ	ATRI	Wed, Sep 20, 2006	76.00	76.00	76.00	76.00
3650	NASDAQ	ATRI	Tue, Sep 12, 2006	74.99	75.00	74.99	74.99
3649	NASDAQ	ATRI	Fri, Sep 8, 2006	73.70	73.70	73.70	73.70
3648	NASDAQ	ATRI	Thu, Sep 7, 2006	73.54	74.92	73.53	73.54
3647	NASDAQ	ATRI	Thu, Aug 31, 2006	72.87	75.83	72.87	75.83
3646	NASDAQ	ATRI	Thu, Aug 24, 2006	73.46	73.46	73.46	73.46
3645	NASDAQ	ATRI	Wed, Aug 23, 2006	72.10	73.50	72.10	73.48
3644	NASDAQ	ATRI	Tue, Aug 22, 2006	71.84	71.84	71.84	71.84
3643	NASDAQ	ATRI	Mon, Aug 21, 2006	71.84	71.84	71.84	71.84
3642	NASDAQ	ATRI	Fri, Aug 18, 2006	72.00	72.94	72.00	72.94
3641	NASDAQ	ATRI	Thu, Aug 17, 2006	71.30	73.18	71.27	73.00
3640	NASDAQ	ATRI	Wed, Aug 16, 2006	73.23	73.25	72.50	73.23
3639	NASDAQ	ATRI	Tue, Aug 15, 2006	73.00	73.00	73.00	73.00
3638	NASDAQ	ATRI	Mon, Aug 14, 2006	74.20	74.20	73.00	73.00
3637	NASDAQ	ATRI	Fri, Aug 11, 2006	74.13	74.20	73.91	74.18
3636	NASDAQ	ATRI	Thu, Aug 10, 2006	71.50	73.80	71.50	73.50
3635	NASDAQ	ATRI	Wed, Aug 9, 2006	75.00	75.00	75.00	75.00
3634	NASDAQ	ATRI	Tue, Aug 8, 2006	72.00	80.88	72.00	75.00
3633	NASDAQ	ATRI	Mon, Aug 7, 2006	71.86	71.86	71.86	71.86
3632	NASDAQ	ATRI	Fri, Aug 4, 2006	67.50	71.87	67.50	71.87
3631	NASDAQ	ATRI	Tue, Aug 1, 2006	67.59	67.59	67.51	67.51
3630	NASDAQ	ATRI	Mon, Jul 31, 2006	67.51	67.51	67.37	67.37
3629	NASDAQ	ATRI	Wed, Jul 26, 2006	69.05	69.05	68.61	68.61
3628	NASDAQ	ATRI	Tue, Jul 25, 2006	69.50	69.50	69.25	69.25
3627	NASDAQ	ATRI	Mon, Jul 24, 2006	69.51	71.86	69.03	69.03
3626	NASDAQ	ATRI	Thu, Jul 20, 2006	71.56	72.00	71.50	71.88
3625	NASDAQ	ATRI	Wed, Jul 19, 2006	70.69	71.50	70.69	71.50
3624	NASDAQ	ATRI	Thu, Jul 13, 2006	70.70	70.70	70.70	70.70
3623	NASDAQ	ATRI	Wed, Jul 12, 2006	70.93	70.93	70.70	70.70
3622	NASDAQ	ATRI	Tue, Jul 11, 2006	69.06	69.06	69.05	69.05
3621	NASDAQ	ATRI	Mon, Jul 10, 2006	70.87	70.87	70.83	70.83
3620	NASDAQ	ATRI	Fri, Jul 7, 2006	68.71	70.00	68.71	70.00
3619	NASDAQ	ATRI	Thu, Jul 6, 2006	70.49	70.83	69.90	70.75
3618	NASDAQ	ATRI	Mon, Jul 3, 2006	70.20	70.21	70.00	70.00
3617	NASDAQ	ATRI	Fri, Jun 30, 2006	69.02	70.99	69.02	70.89
3616	NASDAQ	ATRI	Thu, Jun 29, 2006	65.55	69.99	65.55	69.99
3615	NASDAQ	ATRI	Wed, Jun 28, 2006	65.45	65.50	65.25	65.50
3614	NASDAQ	ATRI	Tue, Jun 27, 2006	65.00	65.24	65.00	65.10
3613	NASDAQ	ATRI	Fri, Jun 23, 2006	64.49	64.50	64.47	64.47
3612	NASDAQ	ATRI	Thu, Jun 22, 2006	64.91	64.91	64.91	64.91
3611	NASDAQ	ATRI	Wed, Jun 21, 2006	64.70	65.47	64.13	64.31
3610	NASDAQ	ATRI	Tue, Jun 20, 2006	64.00	64.80	63.92	64.80
3609	NASDAQ	ATRI	Fri, Jun 16, 2006	66.31	66.87	66.31	66.82
3608	NASDAQ	ATRI	Thu, Jun 15, 2006	65.77	67.00	65.77	67.00
3607	NASDAQ	ATRI	Wed, Jun 14, 2006	67.16	67.16	66.88	67.00
3606	NASDAQ	ATRI	Tue, Jun 13, 2006	68.20	68.24	66.48	68.24
3605	NASDAQ	ATRI	Mon, Jun 12, 2006	69.42	69.80	69.16	69.80
3604	NASDAQ	ATRI	Thu, Jun 8, 2006	71.78	72.00	71.00	72.00
3603	NASDAQ	ATRI	Wed, Jun 7, 2006	71.51	71.79	71.51	71.79
3602	NASDAQ	ATRI	Tue, Jun 6, 2006	72.00	72.02	71.99	72.02
3601	NASDAQ	ATRI	Mon, Jun 5, 2006	72.00	72.00	72.00	72.00
3600	NASDAQ	ATRI	Wed, May 31, 2006	70.82	72.00	70.82	72.00
3599	NASDAQ	ATRI	Tue, May 30, 2006	71.95	71.95	71.95	71.95
3598	NASDAQ	ATRI	Fri, May 26, 2006	71.91	72.21	71.91	72.21
3597	NASDAQ	ATRI	Thu, May 25, 2006	74.00	74.00	73.28	73.28
3596	NASDAQ	ATRI	Wed, May 24, 2006	74.25	74.25	74.25	74.25
3595	NASDAQ	ATRI	Mon, May 22, 2006	74.00	74.00	73.98	73.98
3594	NASDAQ	ATRI	Thu, May 18, 2006	74.00	74.00	74.00	74.00
3593	NASDAQ	ATRI	Wed, May 17, 2006	71.68	74.00	71.68	74.00
3592	NASDAQ	ATRI	Tue, May 16, 2006	73.91	73.91	73.90	73.91
3591	NASDAQ	ATRI	Mon, May 15, 2006	71.01	74.00	71.01	74.00
3590	NASDAQ	ATRI	Fri, May 12, 2006	73.78	73.78	73.78	73.78
3589	NASDAQ	ATRI	Wed, May 10, 2006	75.00	75.00	72.23	73.75
3588	NASDAQ	ATRI	Tue, May 9, 2006	77.39	77.39	72.50	75.00
3587	NASDAQ	ATRI	Mon, May 8, 2006	78.29	78.29	78.01	78.01
3586	NASDAQ	ATRI	Fri, May 5, 2006	79.26	79.26	79.26	79.26
3585	NASDAQ	ATRI	Thu, May 4, 2006	78.50	79.50	78.50	79.50
3584	NASDAQ	ATRI	Wed, May 3, 2006	79.15	79.18	79.15	79.18
3583	NASDAQ	ATRI	Tue, May 2, 2006	79.14	79.14	79.05	79.06
3582	NASDAQ	ATRI	Fri, Apr 28, 2006	79.94	79.95	78.87	78.87
3581	NASDAQ	ATRI	Wed, Apr 26, 2006	79.50	79.79	79.50	79.79
3580	NASDAQ	ATRI	Tue, Apr 25, 2006	79.01	79.01	79.01	79.01
3579	NASDAQ	ATRI	Mon, Apr 24, 2006	80.75	80.75	78.15	79.45
3578	NASDAQ	ATRI	Fri, Apr 21, 2006	79.36	80.75	78.77	80.75
3577	NASDAQ	ATRI	Thu, Apr 20, 2006	79.45	79.45	79.45	79.45
3576	NASDAQ	ATRI	Wed, Apr 19, 2006	79.99	80.55	79.00	79.00
3575	NASDAQ	ATRI	Tue, Apr 18, 2006	80.91	80.91	79.00	80.00
3574	NASDAQ	ATRI	Mon, Apr 17, 2006	79.37	79.37	79.18	79.18
3573	NASDAQ	ATRI	Thu, Apr 13, 2006	79.66	79.66	79.14	79.19
3572	NASDAQ	ATRI	Wed, Apr 12, 2006	80.96	80.96	80.96	80.96
3571	NASDAQ	ATRI	Tue, Apr 11, 2006	76.77	80.30	76.77	79.03
3570	NASDAQ	ATRI	Mon, Apr 10, 2006	79.09	79.42	79.06	79.42
3569	NASDAQ	ATRI	Thu, Apr 6, 2006	80.44	82.00	79.58	80.32
3568	NASDAQ	ATRI	Tue, Apr 4, 2006	76.75	79.00	76.75	79.00
3567	NASDAQ	ATRI	Mon, Apr 3, 2006	78.95	79.75	78.57	79.00
3566	NASDAQ	ATRI	Fri, Mar 31, 2006	78.50	79.04	78.50	78.99
3565	NASDAQ	ATRI	Thu, Mar 30, 2006	78.50	78.50	78.49	78.49
3564	NASDAQ	ATRI	Wed, Mar 29, 2006	77.94	78.10	77.94	78.05
3563	NASDAQ	ATRI	Tue, Mar 28, 2006	76.76	76.76	76.76	76.76
3562	NASDAQ	ATRI	Mon, Mar 27, 2006	77.54	77.81	76.65	76.65
3561	NASDAQ	ATRI	Fri, Mar 24, 2006	78.00	78.00	76.33	76.33
3560	NASDAQ	ATRI	Thu, Mar 23, 2006	77.71	77.71	77.71	77.71
3559	NASDAQ	ATRI	Wed, Mar 22, 2006	76.76	77.77	76.76	77.00
3558	NASDAQ	ATRI	Tue, Mar 21, 2006	76.69	76.75	76.69	76.75
3557	NASDAQ	ATRI	Mon, Mar 20, 2006	76.83	76.83	76.83	76.83
3556	NASDAQ	ATRI	Fri, Mar 17, 2006	77.05	77.06	77.05	77.06
3555	NASDAQ	ATRI	Wed, Mar 15, 2006	75.02	75.85	75.02	75.73
3554	NASDAQ	ATRI	Tue, Mar 14, 2006	75.00	76.09	75.00	76.00
3553	NASDAQ	ATRI	Mon, Mar 13, 2006	75.98	75.99	75.00	75.00
3552	NASDAQ	ATRI	Fri, Mar 10, 2006	75.85	75.85	75.09	75.09
3551	NASDAQ	ATRI	Thu, Mar 9, 2006	75.13	75.13	75.13	75.13
3550	NASDAQ	ATRI	Wed, Mar 8, 2006	76.97	77.00	74.07	76.30
3549	NASDAQ	ATRI	Tue, Mar 7, 2006	76.33	76.76	76.33	76.49
3548	NASDAQ	ATRI	Mon, Mar 6, 2006	76.75	80.00	75.05	76.89
3547	NASDAQ	ATRI	Fri, Mar 3, 2006	76.50	76.75	76.50	76.75
3546	NASDAQ	ATRI	Thu, Mar 2, 2006	76.40	76.40	76.40	76.40
3545	NASDAQ	ATRI	Wed, Mar 1, 2006	74.99	75.83	74.99	75.83
3544	NASDAQ	ATRI	Tue, Feb 28, 2006	73.50	74.59	73.50	74.59
3543	NASDAQ	ATRI	Mon, Feb 27, 2006	73.41	74.00	73.31	73.31
3542	NASDAQ	ATRI	Fri, Feb 24, 2006	72.50	72.50	72.50	72.50
3541	NASDAQ	ATRI	Thu, Feb 23, 2006	72.31	72.31	72.26	72.26
3540	NASDAQ	ATRI	Wed, Feb 22, 2006	72.00	73.88	72.00	72.50
3539	NASDAQ	ATRI	Thu, Feb 16, 2006	71.92	72.00	70.20	71.85
3538	NASDAQ	ATRI	Wed, Feb 15, 2006	69.03	73.10	69.03	73.10
3537	NASDAQ	ATRI	Tue, Feb 14, 2006	73.08	73.09	69.10	69.10
3536	NASDAQ	ATRI	Mon, Feb 13, 2006	73.09	73.09	72.66	72.66
3535	NASDAQ	ATRI	Thu, Feb 9, 2006	72.00	72.00	70.43	71.55
3534	NASDAQ	ATRI	Wed, Feb 8, 2006	69.75	71.73	69.75	71.73
3533	NASDAQ	ATRI	Tue, Feb 7, 2006	69.82	69.82	69.82	69.82
3532	NASDAQ	ATRI	Mon, Feb 6, 2006	70.00	70.00	69.95	69.95
3531	NASDAQ	ATRI	Fri, Feb 3, 2006	70.67	70.67	69.59	69.92
3530	NASDAQ	ATRI	Thu, Feb 2, 2006	69.00	71.00	67.77	70.26
3529	NASDAQ	ATRI	Wed, Feb 1, 2006	68.01	68.01	67.57	67.64
3528	NASDAQ	ATRI	Tue, Jan 31, 2006	68.55	68.75	68.55	68.75
3527	NASDAQ	ATRI	Mon, Jan 30, 2006	68.31	68.31	68.31	68.31
3526	NASDAQ	ATRI	Fri, Jan 27, 2006	68.28	69.46	68.28	69.46
3525	NASDAQ	ATRI	Wed, Jan 25, 2006	69.20	69.20	69.01	69.01
3524	NASDAQ	ATRI	Tue, Jan 24, 2006	68.73	70.01	68.73	70.00
3523	NASDAQ	ATRI	Mon, Jan 23, 2006	69.34	71.19	69.09	71.19
3522	NASDAQ	ATRI	Fri, Jan 20, 2006	66.43	68.89	65.61	68.89
3521	NASDAQ	ATRI	Thu, Jan 19, 2006	68.00	68.02	67.23	67.23
3520	NASDAQ	ATRI	Tue, Jan 17, 2006	68.83	68.85	67.26	67.63
3519	NASDAQ	ATRI	Fri, Jan 13, 2006	68.81	68.81	68.81	68.81
3518	NASDAQ	ATRI	Thu, Jan 12, 2006	68.48	69.34	68.21	69.34
3517	NASDAQ	ATRI	Wed, Jan 11, 2006	67.67	68.49	67.67	68.49
3516	NASDAQ	ATRI	Tue, Jan 10, 2006	67.00	67.00	66.81	67.00
3515	NASDAQ	ATRI	Mon, Jan 9, 2006	66.50	66.98	66.50	66.86
3514	NASDAQ	ATRI	Fri, Jan 6, 2006	66.25	66.49	66.25	66.49
3513	NASDAQ	ATRI	Thu, Jan 5, 2006	66.25	66.35	66.25	66.35
3512	NASDAQ	ATRI	Wed, Jan 4, 2006	66.79	66.79	66.30	66.30
3511	NASDAQ	ATRI	Tue, Jan 3, 2006	69.41	69.42	68.05	68.05
3510	NASDAQ	ATRI	Fri, Dec 30, 2005	66.02	69.43	66.02	69.43
3509	NASDAQ	ATRI	Thu, Dec 29, 2005	65.10	66.10	65.10	66.10
3508	NASDAQ	ATRI	Wed, Dec 28, 2005	66.50	66.50	66.03	66.03
3507	NASDAQ	ATRI	Tue, Dec 27, 2005	66.50	66.51	66.00	66.50
3506	NASDAQ	ATRI	Fri, Dec 23, 2005	66.30	66.49	66.00	66.49
3505	NASDAQ	ATRI	Thu, Dec 22, 2005	66.30	66.60	66.30	66.50
3504	NASDAQ	ATRI	Wed, Dec 21, 2005	66.26	67.04	66.26	66.75
3503	NASDAQ	ATRI	Tue, Dec 20, 2005	66.02	66.75	66.00	66.55
3502	NASDAQ	ATRI	Thu, Dec 15, 2005	66.25	66.64	66.02	66.64
3501	NASDAQ	ATRI	Wed, Dec 14, 2005	67.24	67.24	66.11	66.11
3500	NASDAQ	ATRI	Tue, Dec 13, 2005	66.70	66.70	65.72	66.06
3499	NASDAQ	ATRI	Mon, Dec 12, 2005	66.70	66.70	66.70	66.70
3498	NASDAQ	ATRI	Fri, Dec 9, 2005	66.50	66.50	66.30	66.30
3497	NASDAQ	ATRI	Thu, Dec 8, 2005	66.10	66.10	66.10	66.10
3496	NASDAQ	ATRI	Wed, Dec 7, 2005	66.55	66.55	66.55	66.55
3495	NASDAQ	ATRI	Tue, Dec 6, 2005	66.79	66.86	66.13	66.36
3494	NASDAQ	ATRI	Fri, Dec 2, 2005	67.00	67.00	65.80	65.80
3493	NASDAQ	ATRI	Thu, Dec 1, 2005	65.75	68.23	65.75	68.23
3492	NASDAQ	ATRI	Wed, Nov 30, 2005	65.75	65.90	65.51	65.51
3491	NASDAQ	ATRI	Tue, Nov 29, 2005	66.04	66.05	66.04	66.05
3490	NASDAQ	ATRI	Mon, Nov 28, 2005	67.25	67.25	66.03	66.31
3489	NASDAQ	ATRI	Wed, Nov 23, 2005	66.01	66.01	66.01	66.01
3488	NASDAQ	ATRI	Tue, Nov 22, 2005	66.05	66.05	66.00	66.00
3487	NASDAQ	ATRI	Mon, Nov 21, 2005	66.95	67.12	66.95	67.00
3486	NASDAQ	ATRI	Fri, Nov 18, 2005	66.62	66.62	66.62	66.62
3485	NASDAQ	ATRI	Wed, Nov 16, 2005	66.40	66.76	66.40	66.55
3484	NASDAQ	ATRI	Tue, Nov 15, 2005	66.76	66.76	66.76	66.76
3483	NASDAQ	ATRI	Mon, Nov 14, 2005	66.34	66.34	66.33	66.33
3482	NASDAQ	ATRI	Fri, Nov 11, 2005	65.95	66.39	65.42	66.39
3481	NASDAQ	ATRI	Thu, Nov 10, 2005	64.99	65.08	64.99	65.08
3480	NASDAQ	ATRI	Wed, Nov 9, 2005	63.99	65.99	63.04	63.04
3479	NASDAQ	ATRI	Tue, Nov 8, 2005	62.03	63.99	62.03	63.08
3478	NASDAQ	ATRI	Mon, Nov 7, 2005	62.95	64.00	62.95	63.94
3477	NASDAQ	ATRI	Fri, Nov 4, 2005	62.00	62.00	62.00	62.00
3476	NASDAQ	ATRI	Thu, Nov 3, 2005	62.97	63.00	61.50	62.00
3475	NASDAQ	ATRI	Wed, Nov 2, 2005	62.46	62.46	62.46	62.46
3474	NASDAQ	ATRI	Tue, Nov 1, 2005	61.00	61.58	61.00	61.45
3473	NASDAQ	ATRI	Mon, Oct 31, 2005	62.10	63.00	61.02	61.02
3472	NASDAQ	ATRI	Fri, Oct 28, 2005	63.00	63.92	62.50	62.50
3471	NASDAQ	ATRI	Thu, Oct 27, 2005	62.50	63.01	62.50	62.90
3470	NASDAQ	ATRI	Wed, Oct 26, 2005	62.71	62.73	62.51	62.52
3469	NASDAQ	ATRI	Mon, Oct 24, 2005	62.50	63.50	62.50	63.50
3468	NASDAQ	ATRI	Fri, Oct 21, 2005	62.74	62.74	61.98	62.74
3467	NASDAQ	ATRI	Thu, Oct 20, 2005	62.73	62.82	62.73	62.73
3466	NASDAQ	ATRI	Wed, Oct 19, 2005	63.00	63.00	63.00	63.00
3465	NASDAQ	ATRI	Tue, Oct 18, 2005	63.00	63.00	62.87	63.00
3464	NASDAQ	ATRI	Mon, Oct 17, 2005	62.92	63.55	62.55	62.56
3463	NASDAQ	ATRI	Fri, Oct 14, 2005	63.50	63.52	63.36	63.52
3462	NASDAQ	ATRI	Thu, Oct 13, 2005	64.92	65.00	64.36	64.36
3461	NASDAQ	ATRI	Wed, Oct 12, 2005	63.55	64.50	63.50	64.37
3460	NASDAQ	ATRI	Tue, Oct 11, 2005	65.50	65.50	64.18	64.22
3459	NASDAQ	ATRI	Mon, Oct 10, 2005	65.66	65.66	65.66	65.66
3458	NASDAQ	ATRI	Fri, Oct 7, 2005	65.34	65.75	65.02	65.02
3457	NASDAQ	ATRI	Thu, Oct 6, 2005	66.00	66.00	65.00	65.00
3456	NASDAQ	ATRI	Wed, Oct 5, 2005	66.47	66.47	65.95	65.95
3455	NASDAQ	ATRI	Tue, Oct 4, 2005	66.00	66.47	66.00	66.47
3454	NASDAQ	ATRI	Mon, Oct 3, 2005	65.00	65.20	65.00	65.14
3453	NASDAQ	ATRI	Fri, Sep 30, 2005	65.00	65.00	65.00	65.00
3452	NASDAQ	ATRI	Thu, Sep 29, 2005	65.00	65.07	65.00	65.07
3451	NASDAQ	ATRI	Wed, Sep 28, 2005	65.52	65.52	65.49	65.49
3450	NASDAQ	ATRI	Tue, Sep 27, 2005	65.50	65.50	65.50	65.50
3449	NASDAQ	ATRI	Mon, Sep 26, 2005	65.65	65.89	65.50	65.50
3448	NASDAQ	ATRI	Fri, Sep 23, 2005	65.98	65.98	65.00	65.01
3447	NASDAQ	ATRI	Thu, Sep 22, 2005	64.68	65.74	64.68	65.74
3446	NASDAQ	ATRI	Wed, Sep 21, 2005	65.00	65.00	64.54	64.54
3445	NASDAQ	ATRI	Tue, Sep 20, 2005	64.60	64.61	64.52	64.52
3444	NASDAQ	ATRI	Mon, Sep 19, 2005	63.66	64.70	63.66	64.70
3443	NASDAQ	ATRI	Fri, Sep 16, 2005	64.63	65.25	64.63	65.25
3442	NASDAQ	ATRI	Thu, Sep 15, 2005	64.08	64.97	64.05	64.97
3441	NASDAQ	ATRI	Wed, Sep 14, 2005	64.83	64.83	63.19	64.33
3440	NASDAQ	ATRI	Tue, Sep 13, 2005	65.00	65.00	65.00	65.00
3439	NASDAQ	ATRI	Mon, Sep 12, 2005	65.94	66.00	65.94	66.00
3438	NASDAQ	ATRI	Fri, Sep 9, 2005	66.20	66.99	66.20	66.99
3437	NASDAQ	ATRI	Thu, Sep 8, 2005	67.00	67.41	67.00	67.41
3436	NASDAQ	ATRI	Wed, Sep 7, 2005	66.50	66.50	66.50	66.50
3435	NASDAQ	ATRI	Tue, Sep 6, 2005	66.00	67.08	66.00	67.08
3434	NASDAQ	ATRI	Thu, Sep 1, 2005	67.50	67.50	65.99	66.01
3433	NASDAQ	ATRI	Wed, Aug 31, 2005	66.53	66.53	62.85	65.54
3432	NASDAQ	ATRI	Tue, Aug 30, 2005	67.15	67.34	67.15	67.15
3431	NASDAQ	ATRI	Mon, Aug 29, 2005	67.43	67.43	67.42	67.42
3430	NASDAQ	ATRI	Fri, Aug 26, 2005	68.20	68.20	67.01	67.60
3429	NASDAQ	ATRI	Thu, Aug 25, 2005	68.48	68.53	67.40	67.40
3428	NASDAQ	ATRI	Wed, Aug 24, 2005	66.92	67.60	66.92	67.60
3427	NASDAQ	ATRI	Tue, Aug 23, 2005	67.68	67.68	67.34	67.34
3426	NASDAQ	ATRI	Mon, Aug 22, 2005	67.13	67.77	66.68	66.81
3425	NASDAQ	ATRI	Fri, Aug 19, 2005	67.00	67.12	66.28	67.12
3424	NASDAQ	ATRI	Thu, Aug 18, 2005	67.30	67.59	66.50	67.54
3423	NASDAQ	ATRI	Wed, Aug 17, 2005	66.91	67.29	66.91	67.29
3422	NASDAQ	ATRI	Tue, Aug 16, 2005	66.91	66.91	66.91	66.91
3421	NASDAQ	ATRI	Mon, Aug 15, 2005	68.45	68.45	66.91	66.91
3420	NASDAQ	ATRI	Fri, Aug 12, 2005	65.98	67.29	65.98	67.29
3419	NASDAQ	ATRI	Thu, Aug 11, 2005	67.58	67.58	66.00	66.38
3418	NASDAQ	ATRI	Wed, Aug 10, 2005	68.64	68.64	67.71	68.01
3417	NASDAQ	ATRI	Tue, Aug 9, 2005	68.50	68.50	68.04	68.49
3416	NASDAQ	ATRI	Mon, Aug 8, 2005	68.79	68.79	66.22	67.91
3415	NASDAQ	ATRI	Fri, Aug 5, 2005	69.06	69.14	69.03	69.14
3414	NASDAQ	ATRI	Thu, Aug 4, 2005	68.83	69.73	68.83	69.01
3413	NASDAQ	ATRI	Wed, Aug 3, 2005	65.26	68.42	65.26	68.27
3412	NASDAQ	ATRI	Tue, Aug 2, 2005	72.00	72.00	65.30	65.50
3411	NASDAQ	ATRI	Mon, Aug 1, 2005	80.47	80.47	70.51	71.00
3410	NASDAQ	ATRI	Fri, Jul 29, 2005	79.79	80.97	79.24	79.81
3409	NASDAQ	ATRI	Thu, Jul 28, 2005	81.01	82.19	80.72	81.28
3408	NASDAQ	ATRI	Wed, Jul 27, 2005	80.50	81.00	80.05	81.00
3407	NASDAQ	ATRI	Tue, Jul 26, 2005	80.60	80.75	80.00	80.03
3406	NASDAQ	ATRI	Mon, Jul 25, 2005	79.02	81.00	79.02	80.00
3405	NASDAQ	ATRI	Fri, Jul 22, 2005	81.40	81.50	78.70	78.96
3404	NASDAQ	ATRI	Thu, Jul 21, 2005	80.50	81.45	80.00	80.44
3403	NASDAQ	ATRI	Wed, Jul 20, 2005	80.00	83.00	80.00	80.23
3402	NASDAQ	ATRI	Tue, Jul 19, 2005	79.97	79.99	79.20	79.99
3401	NASDAQ	ATRI	Mon, Jul 18, 2005	77.95	79.15	77.85	79.15
3400	NASDAQ	ATRI	Fri, Jul 15, 2005	78.26	78.79	77.85	77.85
3399	NASDAQ	ATRI	Thu, Jul 14, 2005	77.00	78.68	76.50	78.60
3398	NASDAQ	ATRI	Wed, Jul 13, 2005	75.19	77.00	75.19	77.00
3397	NASDAQ	ATRI	Tue, Jul 12, 2005	74.37	75.25	74.37	75.25
3396	NASDAQ	ATRI	Mon, Jul 11, 2005	76.00	76.00	74.50	74.59
3395	NASDAQ	ATRI	Fri, Jul 8, 2005	75.12	75.12	74.09	74.14
3394	NASDAQ	ATRI	Thu, Jul 7, 2005	77.00	77.00	74.37	74.37
3393	NASDAQ	ATRI	Wed, Jul 6, 2005	75.00	76.82	75.00	75.15
3392	NASDAQ	ATRI	Tue, Jul 5, 2005	73.00	75.00	73.00	75.00
3391	NASDAQ	ATRI	Fri, Jul 1, 2005	74.60	74.60	72.46	72.46
3390	NASDAQ	ATRI	Thu, Jun 30, 2005	75.00	75.00	73.86	74.55
3389	NASDAQ	ATRI	Wed, Jun 29, 2005	75.00	75.00	73.83	73.83
3388	NASDAQ	ATRI	Tue, Jun 28, 2005	73.99	73.99	73.25	73.62
3387	NASDAQ	ATRI	Mon, Jun 27, 2005	74.00	74.00	72.50	72.86
3386	NASDAQ	ATRI	Fri, Jun 24, 2005	74.01	74.01	70.85	72.50
3385	NASDAQ	ATRI	Thu, Jun 23, 2005	72.00	73.99	72.00	73.79
3384	NASDAQ	ATRI	Wed, Jun 22, 2005	70.55	72.67	70.55	72.00
3383	NASDAQ	ATRI	Tue, Jun 21, 2005	70.00	70.49	70.00	70.49
3382	NASDAQ	ATRI	Mon, Jun 20, 2005	68.50	69.06	68.09	69.06
3381	NASDAQ	ATRI	Fri, Jun 17, 2005	69.63	69.63	68.00	68.00
3380	NASDAQ	ATRI	Thu, Jun 16, 2005	68.70	70.09	68.00	68.00
3379	NASDAQ	ATRI	Wed, Jun 15, 2005	74.25	74.25	69.24	70.64
3378	NASDAQ	ATRI	Tue, Jun 14, 2005	75.86	76.00	72.45	73.15
3377	NASDAQ	ATRI	Mon, Jun 13, 2005	75.00	75.00	72.67	74.45
3376	NASDAQ	ATRI	Fri, Jun 10, 2005	70.33	70.40	70.09	70.09
3375	NASDAQ	ATRI	Thu, Jun 9, 2005	68.50	71.74	68.50	70.36
3374	NASDAQ	ATRI	Wed, Jun 8, 2005	70.00	70.00	69.01	69.99
3373	NASDAQ	ATRI	Tue, Jun 7, 2005	69.00	69.99	68.50	69.90
3372	NASDAQ	ATRI	Mon, Jun 6, 2005	70.00	70.00	66.38	68.50
3371	NASDAQ	ATRI	Fri, Jun 3, 2005	67.38	68.72	67.31	68.34
3370	NASDAQ	ATRI	Thu, Jun 2, 2005	66.75	66.75	66.75	66.75
3369	NASDAQ	ATRI	Wed, Jun 1, 2005	66.02	66.06	65.81	65.81
3368	NASDAQ	ATRI	Tue, May 31, 2005	66.84	66.84	65.29	65.35
3367	NASDAQ	ATRI	Thu, May 26, 2005	64.99	65.01	63.00	64.55
3366	NASDAQ	ATRI	Wed, May 25, 2005	65.85	65.93	64.76	65.58
3365	NASDAQ	ATRI	Tue, May 24, 2005	61.48	66.11	61.47	64.05
3364	NASDAQ	ATRI	Mon, May 23, 2005	60.38	61.43	60.00	61.43
3363	NASDAQ	ATRI	Fri, May 20, 2005	59.35	59.68	59.30	59.30
3362	NASDAQ	ATRI	Thu, May 19, 2005	59.43	60.93	59.43	60.25
3361	NASDAQ	ATRI	Wed, May 18, 2005	57.94	59.80	57.76	59.50
3360	NASDAQ	ATRI	Tue, May 17, 2005	56.85	57.73	56.07	57.68
3359	NASDAQ	ATRI	Mon, May 16, 2005	57.90	57.90	55.50	55.75
3358	NASDAQ	ATRI	Fri, May 13, 2005	67.99	67.99	53.56	58.39
3357	NASDAQ	ATRI	Thu, May 12, 2005	54.80	54.80	54.80	54.80
3356	NASDAQ	ATRI	Wed, May 11, 2005	54.00	54.60	54.00	54.20
3355	NASDAQ	ATRI	Tue, May 10, 2005	53.75	54.00	53.75	54.00
3354	NASDAQ	ATRI	Mon, May 9, 2005	53.88	54.00	53.88	53.89
3353	NASDAQ	ATRI	Fri, May 6, 2005	54.34	54.34	53.75	53.90
3352	NASDAQ	ATRI	Thu, May 5, 2005	53.76	54.09	53.75	53.85
3351	NASDAQ	ATRI	Wed, May 4, 2005	53.62	53.88	53.53	53.53
3350	NASDAQ	ATRI	Tue, May 3, 2005	53.50	54.43	53.50	53.76
3349	NASDAQ	ATRI	Mon, May 2, 2005	50.22	55.29	49.28	54.43
3348	NASDAQ	ATRI	Fri, Apr 29, 2005	47.52	47.52	47.52	47.52
3347	NASDAQ	ATRI	Thu, Apr 28, 2005	47.52	47.99	47.52	47.99
3346	NASDAQ	ATRI	Wed, Apr 27, 2005	47.52	47.52	47.52	47.52
3345	NASDAQ	ATRI	Tue, Apr 26, 2005	47.75	48.21	47.75	48.21
3344	NASDAQ	ATRI	Mon, Apr 25, 2005	49.75	49.75	47.77	47.77
3343	NASDAQ	ATRI	Thu, Apr 21, 2005	49.00	49.00	48.61	48.61
3342	NASDAQ	ATRI	Mon, Apr 18, 2005	48.52	49.10	47.00	48.86
3341	NASDAQ	ATRI	Fri, Apr 15, 2005	50.36	50.78	49.25	49.25
3340	NASDAQ	ATRI	Thu, Apr 14, 2005	51.04	51.62	50.93	50.93
3339	NASDAQ	ATRI	Wed, Apr 13, 2005	50.22	51.78	50.22	51.75
3338	NASDAQ	ATRI	Tue, Apr 12, 2005	52.10	52.49	49.86	52.49
3337	NASDAQ	ATRI	Mon, Apr 11, 2005	52.10	52.10	52.10	52.10
3336	NASDAQ	ATRI	Fri, Apr 8, 2005	52.10	52.10	52.10	52.10
3335	NASDAQ	ATRI	Thu, Apr 7, 2005	52.17	52.17	52.17	52.17
3334	NASDAQ	ATRI	Wed, Apr 6, 2005	51.50	51.50	51.11	51.11
3333	NASDAQ	ATRI	Tue, Apr 5, 2005	52.49	52.49	51.78	51.78
3332	NASDAQ	ATRI	Mon, Apr 4, 2005	49.89	52.49	49.89	52.00
3331	NASDAQ	ATRI	Fri, Apr 1, 2005	49.39	49.88	48.22	49.83
3330	NASDAQ	ATRI	Thu, Mar 31, 2005	48.36	49.89	48.36	48.63
3329	NASDAQ	ATRI	Tue, Mar 29, 2005	49.74	49.74	48.81	48.99
3328	NASDAQ	ATRI	Mon, Mar 28, 2005	49.50	49.50	47.50	47.50
3327	NASDAQ	ATRI	Thu, Mar 24, 2005	48.36	48.75	48.36	48.75
3326	NASDAQ	ATRI	Wed, Mar 23, 2005	48.75	48.75	48.75	48.75
3325	NASDAQ	ATRI	Tue, Mar 22, 2005	47.55	48.89	47.55	48.89
3324	NASDAQ	ATRI	Mon, Mar 21, 2005	49.50	49.50	49.50	49.50
3323	NASDAQ	ATRI	Fri, Mar 18, 2005	49.00	49.00	49.00	49.00
3322	NASDAQ	ATRI	Wed, Mar 16, 2005	48.71	48.99	48.60	48.99
3321	NASDAQ	ATRI	Tue, Mar 15, 2005	48.75	48.75	48.00	48.00
3320	NASDAQ	ATRI	Mon, Mar 14, 2005	48.24	48.98	47.91	48.02
3319	NASDAQ	ATRI	Fri, Mar 11, 2005	48.50	48.73	48.16	48.16
3318	NASDAQ	ATRI	Thu, Mar 10, 2005	50.58	50.58	48.91	48.98
3317	NASDAQ	ATRI	Wed, Mar 9, 2005	48.55	50.89	48.45	49.98
3316	NASDAQ	ATRI	Tue, Mar 8, 2005	49.00	49.00	48.50	48.98
3315	NASDAQ	ATRI	Mon, Mar 7, 2005	49.01	50.58	47.99	49.43
3314	NASDAQ	ATRI	Fri, Mar 4, 2005	50.63	52.02	49.73	50.58
3313	NASDAQ	ATRI	Thu, Mar 3, 2005	53.50	53.50	52.62	52.62
3312	NASDAQ	ATRI	Wed, Mar 2, 2005	53.56	53.56	53.55	53.56
3311	NASDAQ	ATRI	Tue, Mar 1, 2005	53.50	55.36	53.50	53.51
3310	NASDAQ	ATRI	Mon, Feb 28, 2005	51.60	51.60	50.20	51.00
3309	NASDAQ	ATRI	Fri, Feb 25, 2005	50.35	50.97	50.10	50.97
3308	NASDAQ	ATRI	Thu, Feb 24, 2005	50.00	50.50	49.60	50.50
3307	NASDAQ	ATRI	Wed, Feb 23, 2005	50.00	50.00	49.25	49.99
3306	NASDAQ	ATRI	Tue, Feb 22, 2005	49.25	50.00	49.25	49.73
3305	NASDAQ	ATRI	Fri, Feb 18, 2005	48.90	49.86	48.90	49.86
3304	NASDAQ	ATRI	Thu, Feb 17, 2005	48.00	48.07	47.87	48.07
3303	NASDAQ	ATRI	Wed, Feb 16, 2005	47.73	47.73	47.10	47.10
3302	NASDAQ	ATRI	Tue, Feb 15, 2005	47.12	47.12	47.01	47.11
3301	NASDAQ	ATRI	Mon, Feb 14, 2005	47.75	47.75	46.91	47.01
3300	NASDAQ	ATRI	Fri, Feb 11, 2005	45.99	45.99	45.69	45.69
3299	NASDAQ	ATRI	Thu, Feb 10, 2005	47.74	47.74	45.23	46.00
3298	NASDAQ	ATRI	Wed, Feb 9, 2005	46.11	46.56	46.00	46.00
3297	NASDAQ	ATRI	Tue, Feb 8, 2005	45.86	46.06	45.86	46.00
3296	NASDAQ	ATRI	Mon, Feb 7, 2005	44.53	47.11	44.53	45.27
3295	NASDAQ	ATRI	Wed, Feb 2, 2005	45.00	46.81	45.00	46.81
3294	NASDAQ	ATRI	Tue, Feb 1, 2005	46.09	47.00	46.09	47.00
3293	NASDAQ	ATRI	Fri, Jan 28, 2005	45.80	45.80	45.80	45.80
3292	NASDAQ	ATRI	Wed, Jan 26, 2005	45.78	45.78	45.78	45.78
3291	NASDAQ	ATRI	Mon, Jan 24, 2005	46.87	46.87	46.11	46.11
3290	NASDAQ	ATRI	Fri, Jan 21, 2005	46.29	46.51	46.27	46.51
3289	NASDAQ	ATRI	Thu, Jan 20, 2005	46.66	46.84	46.59	46.84
3288	NASDAQ	ATRI	Tue, Jan 18, 2005	44.31	46.02	44.31	46.01
3287	NASDAQ	ATRI	Fri, Jan 14, 2005	46.07	46.97	45.70	46.97
3286	NASDAQ	ATRI	Wed, Jan 12, 2005	45.85	47.06	45.85	46.15
3285	NASDAQ	ATRI	Tue, Jan 11, 2005	45.12	45.93	45.12	45.93
3284	NASDAQ	ATRI	Mon, Jan 10, 2005	46.97	46.99	46.04	46.64
3283	NASDAQ	ATRI	Wed, Jan 5, 2005	47.75	47.75	46.74	46.74
3282	NASDAQ	ATRI	Tue, Jan 4, 2005	46.63	46.63	46.60	46.60
3281	NASDAQ	ATRI	Mon, Jan 3, 2005	46.50	47.93	46.50	46.59
3280	NASDAQ	ATRI	Fri, Dec 31, 2004	45.99	47.69	45.24	46.13
3279	NASDAQ	ATRI	Thu, Dec 30, 2004	43.11	44.99	43.11	44.68
3278	NASDAQ	ATRI	Wed, Dec 29, 2004	43.99	43.99	43.76	43.96
3277	NASDAQ	ATRI	Tue, Dec 28, 2004	44.00	44.00	43.50	43.75
3276	NASDAQ	ATRI	Mon, Dec 27, 2004	43.41	43.90	43.41	43.90
3275	NASDAQ	ATRI	Thu, Dec 23, 2004	41.91	42.95	41.78	42.95
3274	NASDAQ	ATRI	Wed, Dec 22, 2004	42.00	42.00	40.62	41.69
3273	NASDAQ	ATRI	Tue, Dec 21, 2004	43.73	43.75	42.00	42.42
3272	NASDAQ	ATRI	Mon, Dec 20, 2004	43.70	43.70	43.50	43.50
3271	NASDAQ	ATRI	Fri, Dec 17, 2004	43.22	43.74	43.22	43.74
3270	NASDAQ	ATRI	Thu, Dec 16, 2004	43.51	44.70	43.20	44.70
3269	NASDAQ	ATRI	Wed, Dec 15, 2004	44.00	44.00	43.52	44.00
3268	NASDAQ	ATRI	Mon, Dec 13, 2004	44.50	44.51	44.00	44.00
3267	NASDAQ	ATRI	Fri, Dec 10, 2004	44.95	44.95	44.50	44.50
3266	NASDAQ	ATRI	Thu, Dec 9, 2004	45.22	45.22	44.10	44.10
3265	NASDAQ	ATRI	Wed, Dec 8, 2004	45.50	45.50	45.50	45.50
3264	NASDAQ	ATRI	Tue, Dec 7, 2004	45.51	45.51	45.50	45.50
3263	NASDAQ	ATRI	Mon, Dec 6, 2004	45.99	45.99	45.99	45.99
3262	NASDAQ	ATRI	Fri, Dec 3, 2004	45.75	45.75	45.66	45.66
3261	NASDAQ	ATRI	Thu, Dec 2, 2004	45.74	45.74	45.74	45.74
3260	NASDAQ	ATRI	Wed, Dec 1, 2004	45.74	45.75	45.74	45.75
3259	NASDAQ	ATRI	Tue, Nov 30, 2004	45.90	45.90	45.22	45.22
3258	NASDAQ	ATRI	Wed, Nov 24, 2004	47.00	47.00	44.28	45.00
3257	NASDAQ	ATRI	Tue, Nov 23, 2004	47.00	47.00	47.00	47.00
3256	NASDAQ	ATRI	Mon, Nov 22, 2004	46.56	46.99	46.56	46.99
3255	NASDAQ	ATRI	Fri, Nov 19, 2004	47.49	47.49	46.00	46.05
3254	NASDAQ	ATRI	Wed, Nov 17, 2004	47.47	47.47	46.50	46.55
3253	NASDAQ	ATRI	Mon, Nov 15, 2004	46.35	47.08	45.53	47.00
3252	NASDAQ	ATRI	Fri, Nov 12, 2004	46.03	47.04	46.00	47.04
3251	NASDAQ	ATRI	Thu, Nov 11, 2004	47.24	47.24	46.71	46.80
3250	NASDAQ	ATRI	Wed, Nov 10, 2004	47.25	47.25	47.25	47.25
3249	NASDAQ	ATRI	Tue, Nov 9, 2004	46.00	46.01	45.91	45.91
3248	NASDAQ	ATRI	Mon, Nov 8, 2004	45.82	45.82	45.82	45.82
3247	NASDAQ	ATRI	Fri, Nov 5, 2004	45.82	45.82	45.82	45.82
3246	NASDAQ	ATRI	Thu, Nov 4, 2004	47.49	47.49	45.63	45.63
3245	NASDAQ	ATRI	Tue, Nov 2, 2004	45.74	45.83	45.74	45.83
3244	NASDAQ	ATRI	Mon, Nov 1, 2004	47.50	47.50	45.74	45.74
3243	NASDAQ	ATRI	Fri, Oct 29, 2004	46.25	46.84	45.07	45.83
3242	NASDAQ	ATRI	Wed, Oct 27, 2004	46.60	46.63	45.64	45.64
3241	NASDAQ	ATRI	Mon, Oct 25, 2004	45.02	45.02	45.02	45.02
3240	NASDAQ	ATRI	Fri, Oct 22, 2004	45.02	45.02	45.02	45.02
3239	NASDAQ	ATRI	Thu, Oct 21, 2004	45.02	45.02	45.02	45.02
3238	NASDAQ	ATRI	Wed, Oct 20, 2004	45.52	45.52	45.52	45.52
3237	NASDAQ	ATRI	Tue, Oct 19, 2004	45.52	45.55	45.35	45.35
3236	NASDAQ	ATRI	Mon, Oct 18, 2004	46.72	46.72	46.12	46.12
3235	NASDAQ	ATRI	Fri, Oct 15, 2004	47.31	47.31	47.31	47.31
3234	NASDAQ	ATRI	Wed, Oct 13, 2004	47.31	47.31	47.31	47.31
3233	NASDAQ	ATRI	Tue, Oct 12, 2004	47.94	47.94	47.94	47.94
3232	NASDAQ	ATRI	Mon, Oct 11, 2004	46.53	48.00	46.53	48.00
3231	NASDAQ	ATRI	Fri, Oct 8, 2004	48.00	48.00	47.36	48.00
3230	NASDAQ	ATRI	Thu, Oct 7, 2004	48.00	48.00	48.00	48.00
3229	NASDAQ	ATRI	Wed, Oct 6, 2004	48.00	48.00	48.00	48.00
3228	NASDAQ	ATRI	Tue, Oct 5, 2004	48.00	48.00	46.39	48.00
3227	NASDAQ	ATRI	Mon, Oct 4, 2004	48.20	48.20	48.20	48.20
3226	NASDAQ	ATRI	Fri, Oct 1, 2004	48.19	48.19	48.19	48.19
3225	NASDAQ	ATRI	Thu, Sep 30, 2004	44.99	47.50	44.65	47.50
3224	NASDAQ	ATRI	Wed, Sep 29, 2004	45.84	45.84	44.98	45.00
3223	NASDAQ	ATRI	Mon, Sep 27, 2004	43.01	43.75	43.01	43.75
3222	NASDAQ	ATRI	Fri, Sep 24, 2004	45.27	46.06	44.95	44.95
3221	NASDAQ	ATRI	Wed, Sep 22, 2004	47.40	47.40	45.28	45.28
3220	NASDAQ	ATRI	Mon, Sep 20, 2004	48.00	48.26	47.40	47.50
3219	NASDAQ	ATRI	Fri, Sep 17, 2004	48.25	48.28	48.25	48.28
3218	NASDAQ	ATRI	Thu, Sep 16, 2004	49.50	49.50	48.77	48.77
3217	NASDAQ	ATRI	Wed, Sep 15, 2004	48.90	49.40	48.58	48.58
3216	NASDAQ	ATRI	Tue, Sep 14, 2004	45.98	49.40	45.98	48.26
3215	NASDAQ	ATRI	Mon, Sep 13, 2004	47.00	47.10	46.50	47.10
3214	NASDAQ	ATRI	Fri, Sep 10, 2004	46.99	47.79	46.76	47.79
3213	NASDAQ	ATRI	Thu, Sep 9, 2004	46.96	46.96	46.75	46.75
3212	NASDAQ	ATRI	Wed, Sep 8, 2004	46.50	46.50	46.50	46.50
3211	NASDAQ	ATRI	Fri, Sep 3, 2004	45.51	46.00	44.51	46.00
3210	NASDAQ	ATRI	Wed, Sep 1, 2004	46.00	46.00	45.54	46.00
3209	NASDAQ	ATRI	Mon, Aug 30, 2004	46.00	46.00	46.00	46.00
3208	NASDAQ	ATRI	Fri, Aug 27, 2004	46.00	46.02	46.00	46.02
3207	NASDAQ	ATRI	Wed, Aug 25, 2004	46.11	46.11	46.11	46.11
3206	NASDAQ	ATRI	Tue, Aug 24, 2004	45.89	46.00	45.50	45.50
3205	NASDAQ	ATRI	Fri, Aug 20, 2004	45.30	45.67	45.30	45.40
3204	NASDAQ	ATRI	Thu, Aug 19, 2004	44.59	45.34	44.59	45.34
3203	NASDAQ	ATRI	Wed, Aug 18, 2004	44.59	44.59	44.59	44.59
3202	NASDAQ	ATRI	Mon, Aug 16, 2004	44.09	44.22	44.03	44.22
3201	NASDAQ	ATRI	Thu, Aug 12, 2004	44.59	44.59	44.59	44.59
3200	NASDAQ	ATRI	Tue, Aug 10, 2004	44.44	44.44	44.02	44.02
3199	NASDAQ	ATRI	Mon, Aug 9, 2004	44.15	44.15	43.75	44.08
3198	NASDAQ	ATRI	Fri, Aug 6, 2004	44.37	44.37	44.19	44.19
3197	NASDAQ	ATRI	Thu, Aug 5, 2004	44.00	44.50	44.00	44.45
3196	NASDAQ	ATRI	Wed, Aug 4, 2004	43.99	45.31	43.99	44.45
3195	NASDAQ	ATRI	Tue, Aug 3, 2004	43.97	43.97	43.52	43.52
3194	NASDAQ	ATRI	Mon, Aug 2, 2004	43.75	43.75	43.75	43.75
3193	NASDAQ	ATRI	Fri, Jul 30, 2004	43.31	43.75	43.31	43.75
3192	NASDAQ	ATRI	Mon, Jul 26, 2004	43.77	43.77	43.75	43.75
3191	NASDAQ	ATRI	Thu, Jul 22, 2004	43.78	43.78	43.78	43.78
3190	NASDAQ	ATRI	Tue, Jul 20, 2004	43.98	44.00	43.89	44.00
3189	NASDAQ	ATRI	Fri, Jul 16, 2004	43.75	43.75	43.75	43.75
3188	NASDAQ	ATRI	Wed, Jul 14, 2004	43.75	43.93	43.75	43.93
3187	NASDAQ	ATRI	Mon, Jul 12, 2004	43.70	43.92	43.70	43.71
3186	NASDAQ	ATRI	Fri, Jul 9, 2004	43.75	43.75	43.75	43.75
3185	NASDAQ	ATRI	Tue, Jul 6, 2004	43.75	43.75	43.75	43.75
3184	NASDAQ	ATRI	Fri, Jul 2, 2004	43.75	43.76	43.75	43.76
3183	NASDAQ	ATRI	Thu, Jul 1, 2004	43.59	43.65	43.50	43.51
3182	NASDAQ	ATRI	Wed, Jun 30, 2004	43.58	43.58	43.58	43.58
3181	NASDAQ	ATRI	Tue, Jun 29, 2004	43.97	44.00	43.60	43.60
3180	NASDAQ	ATRI	Mon, Jun 28, 2004	43.75	43.75	43.64	43.64
3179	NASDAQ	ATRI	Fri, Jun 25, 2004	43.32	43.66	43.32	43.66
3178	NASDAQ	ATRI	Thu, Jun 24, 2004	43.30	43.50	43.30	43.49
3177	NASDAQ	ATRI	Wed, Jun 23, 2004	43.68	43.68	43.68	43.68
3176	NASDAQ	ATRI	Mon, Jun 21, 2004	43.24	43.58	43.24	43.58
3175	NASDAQ	ATRI	Thu, Jun 17, 2004	43.02	43.38	43.02	43.38
3174	NASDAQ	ATRI	Mon, Jun 14, 2004	43.00	43.00	43.00	43.00
3173	NASDAQ	ATRI	Wed, Jun 9, 2004	43.50	43.50	43.48	43.48
3172	NASDAQ	ATRI	Mon, Jun 7, 2004	43.25	43.30	42.85	43.30
3171	NASDAQ	ATRI	Thu, Jun 3, 2004	43.25	43.25	43.25	43.25
3170	NASDAQ	ATRI	Wed, Jun 2, 2004	43.24	43.26	43.24	43.26
3169	NASDAQ	ATRI	Tue, Jun 1, 2004	43.25	43.35	43.24	43.24
3168	NASDAQ	ATRI	Fri, May 28, 2004	42.74	43.24	42.46	43.24
3167	NASDAQ	ATRI	Thu, May 27, 2004	41.12	41.15	41.12	41.15
3166	NASDAQ	ATRI	Mon, May 24, 2004	41.29	41.29	40.64	41.00
3165	NASDAQ	ATRI	Fri, May 21, 2004	43.78	43.99	40.99	41.00
3164	NASDAQ	ATRI	Thu, May 20, 2004	40.55	42.57	40.55	41.65
3163	NASDAQ	ATRI	Wed, May 19, 2004	43.00	43.00	42.09	42.09
3162	NASDAQ	ATRI	Tue, May 18, 2004	42.58	42.58	41.33	41.33
3161	NASDAQ	ATRI	Mon, May 17, 2004	40.11	40.55	39.00	40.55
3160	NASDAQ	ATRI	Fri, May 14, 2004	40.76	40.78	40.50	40.50
3159	NASDAQ	ATRI	Thu, May 13, 2004	41.91	41.91	40.56	41.34
3158	NASDAQ	ATRI	Wed, May 12, 2004	45.00	45.00	41.22	41.70
3157	NASDAQ	ATRI	Tue, May 11, 2004	45.19	45.19	45.00	45.00
3156	NASDAQ	ATRI	Thu, May 6, 2004	47.49	47.63	47.05	47.63
3155	NASDAQ	ATRI	Wed, May 5, 2004	46.58	46.58	45.29	46.40
3154	NASDAQ	ATRI	Fri, Apr 30, 2004	45.25	45.87	45.25	45.25
3153	NASDAQ	ATRI	Thu, Apr 29, 2004	45.25	47.14	45.25	47.14
3152	NASDAQ	ATRI	Wed, Apr 28, 2004	46.25	46.26	46.25	46.25
3151	NASDAQ	ATRI	Tue, Apr 27, 2004	46.66	47.29	45.41	45.41
3150	NASDAQ	ATRI	Mon, Apr 26, 2004	49.81	50.82	49.81	50.82
3149	NASDAQ	ATRI	Fri, Apr 23, 2004	46.00	46.63	46.00	46.05
3148	NASDAQ	ATRI	Wed, Apr 21, 2004	49.72	50.25	48.89	49.00
3147	NASDAQ	ATRI	Tue, Apr 20, 2004	47.95	49.89	47.01	49.75
3146	NASDAQ	ATRI	Mon, Apr 19, 2004	46.10	47.90	46.00	47.90
3145	NASDAQ	ATRI	Fri, Apr 16, 2004	46.41	46.41	46.41	46.41
3144	NASDAQ	ATRI	Thu, Apr 15, 2004	45.45	46.67	45.10	46.67
3143	NASDAQ	ATRI	Wed, Apr 14, 2004	45.28	45.28	45.28	45.28
3142	NASDAQ	ATRI	Tue, Apr 13, 2004	44.50	45.00	44.50	45.00
3141	NASDAQ	ATRI	Thu, Apr 8, 2004	44.00	44.00	44.00	44.00
3140	NASDAQ	ATRI	Wed, Apr 7, 2004	44.00	44.52	44.00	44.52
3139	NASDAQ	ATRI	Tue, Apr 6, 2004	44.00	44.00	44.00	44.00
3138	NASDAQ	ATRI	Mon, Apr 5, 2004	43.17	43.21	42.29	43.17
3137	NASDAQ	ATRI	Fri, Apr 2, 2004	42.15	42.15	42.15	42.15
3136	NASDAQ	ATRI	Thu, Apr 1, 2004	42.18	42.28	42.18	42.18
3135	NASDAQ	ATRI	Tue, Mar 30, 2004	41.97	41.97	41.00	41.70
3134	NASDAQ	ATRI	Tue, Mar 23, 2004	39.70	40.20	39.70	40.20
3133	NASDAQ	ATRI	Fri, Mar 19, 2004	40.00	40.25	40.00	40.25
3132	NASDAQ	ATRI	Thu, Mar 18, 2004	40.01	40.01	40.00	40.00
3131	NASDAQ	ATRI	Wed, Mar 17, 2004	40.41	40.41	39.58	40.25
3130	NASDAQ	ATRI	Tue, Mar 16, 2004	42.00	42.00	41.20	41.50
3129	NASDAQ	ATRI	Fri, Mar 12, 2004	44.44	44.44	44.44	44.44
3128	NASDAQ	ATRI	Thu, Mar 11, 2004	44.50	44.60	44.50	44.50
3127	NASDAQ	ATRI	Wed, Mar 10, 2004	45.00	45.18	44.50	44.50
3126	NASDAQ	ATRI	Tue, Mar 9, 2004	44.50	45.00	44.19	44.19
3125	NASDAQ	ATRI	Fri, Mar 5, 2004	45.00	45.22	45.00	45.22
3124	NASDAQ	ATRI	Thu, Mar 4, 2004	45.00	45.00	44.50	44.50
3123	NASDAQ	ATRI	Wed, Mar 3, 2004	44.98	45.19	44.98	45.19
3122	NASDAQ	ATRI	Tue, Mar 2, 2004	44.50	44.50	44.50	44.50
3121	NASDAQ	ATRI	Mon, Mar 1, 2004	44.74	45.04	44.28	44.28
3120	NASDAQ	ATRI	Fri, Feb 27, 2004	45.15	45.30	44.51	44.51
3119	NASDAQ	ATRI	Thu, Feb 26, 2004	44.72	45.14	44.72	45.14
3118	NASDAQ	ATRI	Wed, Feb 25, 2004	43.96	44.65	43.96	44.58
3117	NASDAQ	ATRI	Tue, Feb 24, 2004	43.53	44.59	43.49	44.59
3116	NASDAQ	ATRI	Mon, Feb 23, 2004	42.25	43.53	41.64	43.53
3115	NASDAQ	ATRI	Fri, Feb 20, 2004	41.14	42.15	40.37	42.15
3114	NASDAQ	ATRI	Thu, Feb 19, 2004	40.15	41.00	40.15	41.00
3113	NASDAQ	ATRI	Wed, Feb 18, 2004	38.72	40.00	38.72	39.80
3112	NASDAQ	ATRI	Tue, Feb 17, 2004	38.75	39.00	38.75	39.00
3111	NASDAQ	ATRI	Fri, Feb 13, 2004	41.44	41.44	36.83	38.51
3110	NASDAQ	ATRI	Thu, Feb 12, 2004	42.08	42.08	42.08	42.08
3109	NASDAQ	ATRI	Wed, Feb 11, 2004	41.52	41.52	41.52	41.52
3108	NASDAQ	ATRI	Tue, Feb 10, 2004	41.46	41.62	41.45	41.54
3107	NASDAQ	ATRI	Mon, Feb 9, 2004	42.25	43.54	41.51	41.51
3106	NASDAQ	ATRI	Fri, Feb 6, 2004	41.45	41.45	41.45	41.45
3105	NASDAQ	ATRI	Thu, Feb 5, 2004	41.40	42.60	41.40	41.70
3104	NASDAQ	ATRI	Wed, Feb 4, 2004	42.38	42.63	40.98	41.69
3103	NASDAQ	ATRI	Tue, Feb 3, 2004	43.00	43.50	42.95	43.50
3102	NASDAQ	ATRI	Mon, Feb 2, 2004	43.77	43.77	42.38	43.40
3101	NASDAQ	ATRI	Fri, Jan 30, 2004	43.38	44.45	43.38	43.80
3100	NASDAQ	ATRI	Wed, Jan 28, 2004	44.55	45.90	44.55	45.90
3099	NASDAQ	ATRI	Tue, Jan 27, 2004	45.81	46.54	43.45	43.45
3098	NASDAQ	ATRI	Mon, Jan 26, 2004	46.60	46.60	44.75	44.75
3097	NASDAQ	ATRI	Fri, Jan 23, 2004	46.61	46.61	46.61	46.61
3096	NASDAQ	ATRI	Wed, Jan 21, 2004	46.99	47.02	45.25	45.25
3095	NASDAQ	ATRI	Tue, Jan 20, 2004	44.25	46.65	44.25	46.65
3094	NASDAQ	ATRI	Fri, Jan 16, 2004	44.76	46.84	43.76	44.25
3093	NASDAQ	ATRI	Thu, Jan 15, 2004	45.09	45.09	45.00	45.00
3092	NASDAQ	ATRI	Wed, Jan 14, 2004	45.24	45.30	45.10	45.10
3091	NASDAQ	ATRI	Tue, Jan 13, 2004	45.54	46.66	44.67	45.02
3090	NASDAQ	ATRI	Fri, Jan 9, 2004	46.79	46.79	46.70	46.79
3089	NASDAQ	ATRI	Thu, Jan 8, 2004	44.15	46.82	44.10	46.82
3088	NASDAQ	ATRI	Wed, Jan 7, 2004	44.30	45.50	43.93	45.00
3087	NASDAQ	ATRI	Tue, Jan 6, 2004	44.00	45.64	44.00	45.64
3086	NASDAQ	ATRI	Mon, Jan 5, 2004	43.88	46.20	43.88	46.15
3085	NASDAQ	ATRI	Fri, Jan 2, 2004	45.49	45.49	44.00	45.49
3084	NASDAQ	ATRI	Wed, Dec 31, 2003	44.84	45.80	44.00	45.44
3083	NASDAQ	ATRI	Tue, Dec 30, 2003	45.06	46.50	44.38	44.80
3082	NASDAQ	ATRI	Mon, Dec 29, 2003	49.15	49.26	45.05	45.60
3081	NASDAQ	ATRI	Fri, Dec 26, 2003	49.99	49.99	49.34	49.97
3080	NASDAQ	ATRI	Wed, Dec 24, 2003	49.99	49.99	49.25	49.99
3079	NASDAQ	ATRI	Tue, Dec 23, 2003	47.26	49.98	47.26	49.98
3078	NASDAQ	ATRI	Mon, Dec 22, 2003	47.73	48.42	45.52	47.26
3077	NASDAQ	ATRI	Fri, Dec 19, 2003	47.86	48.35	47.86	47.90
3076	NASDAQ	ATRI	Thu, Dec 18, 2003	47.90	47.90	47.90	47.90
3075	NASDAQ	ATRI	Wed, Dec 17, 2003	47.73	49.07	47.73	47.85
3074	NASDAQ	ATRI	Tue, Dec 16, 2003	48.13	49.45	47.84	47.84
3073	NASDAQ	ATRI	Mon, Dec 15, 2003	48.12	49.99	48.12	49.38
3072	NASDAQ	ATRI	Fri, Dec 12, 2003	48.03	49.36	48.03	48.03
3071	NASDAQ	ATRI	Wed, Dec 10, 2003	48.03	49.29	48.03	49.23
3070	NASDAQ	ATRI	Tue, Dec 9, 2003	48.33	48.63	48.33	48.62
3069	NASDAQ	ATRI	Mon, Dec 8, 2003	49.87	50.00	48.50	48.50
3068	NASDAQ	ATRI	Fri, Dec 5, 2003	49.76	50.00	49.75	50.00
3067	NASDAQ	ATRI	Thu, Dec 4, 2003	51.21	51.21	49.59	49.59
3066	NASDAQ	ATRI	Wed, Dec 3, 2003	50.33	54.05	49.50	49.50
3065	NASDAQ	ATRI	Tue, Dec 2, 2003	48.75	51.35	48.75	49.99
3064	NASDAQ	ATRI	Mon, Dec 1, 2003	46.74	49.99	46.74	49.05
3063	NASDAQ	ATRI	Fri, Nov 28, 2003	46.74	48.00	46.74	48.00
3062	NASDAQ	ATRI	Wed, Nov 26, 2003	47.75	47.75	47.52	47.52
3061	NASDAQ	ATRI	Tue, Nov 25, 2003	47.49	47.50	46.92	47.50
3060	NASDAQ	ATRI	Mon, Nov 24, 2003	45.46	47.25	45.46	47.25
3059	NASDAQ	ATRI	Fri, Nov 21, 2003	45.00	45.10	44.61	45.10
3058	NASDAQ	ATRI	Thu, Nov 20, 2003	44.56	44.56	44.56	44.56
3057	NASDAQ	ATRI	Wed, Nov 19, 2003	45.10	45.10	44.53	45.05
3056	NASDAQ	ATRI	Tue, Nov 18, 2003	44.76	46.10	44.75	46.10
3055	NASDAQ	ATRI	Mon, Nov 17, 2003	44.67	46.10	44.67	44.67
3054	NASDAQ	ATRI	Fri, Nov 14, 2003	46.50	46.50	44.67	44.67
3053	NASDAQ	ATRI	Thu, Nov 13, 2003	45.99	46.10	45.61	46.08
3052	NASDAQ	ATRI	Wed, Nov 12, 2003	45.25	46.09	44.75	46.00
3051	NASDAQ	ATRI	Tue, Nov 11, 2003	46.48	46.48	46.00	46.10
3050	NASDAQ	ATRI	Mon, Nov 10, 2003	44.46	46.49	44.46	46.49
3049	NASDAQ	ATRI	Fri, Nov 7, 2003	43.89	44.23	43.86	44.23
3048	NASDAQ	ATRI	Thu, Nov 6, 2003	43.35	43.69	43.32	43.69
3047	NASDAQ	ATRI	Wed, Nov 5, 2003	41.36	43.84	41.36	43.84
3046	NASDAQ	ATRI	Tue, Nov 4, 2003	42.41	42.91	41.42	41.75
3045	NASDAQ	ATRI	Mon, Nov 3, 2003	44.48	44.48	41.55	42.40
3044	NASDAQ	ATRI	Fri, Oct 31, 2003	40.49	43.83	39.42	43.80
3043	NASDAQ	ATRI	Thu, Oct 30, 2003	40.41	40.41	37.21	40.00
3042	NASDAQ	ATRI	Wed, Oct 29, 2003	41.98	41.98	40.41	40.85
3041	NASDAQ	ATRI	Tue, Oct 28, 2003	42.00	42.00	40.40	40.40
3040	NASDAQ	ATRI	Mon, Oct 27, 2003	41.96	43.21	40.81	42.40
3039	NASDAQ	ATRI	Fri, Oct 24, 2003	41.74	43.22	41.69	42.60
3038	NASDAQ	ATRI	Thu, Oct 23, 2003	44.19	44.19	41.75	41.75
3037	NASDAQ	ATRI	Wed, Oct 22, 2003	41.25	44.12	41.25	44.09
3036	NASDAQ	ATRI	Tue, Oct 21, 2003	41.49	42.00	41.00	41.91
3035	NASDAQ	ATRI	Mon, Oct 20, 2003	42.51	42.75	40.00	41.41
3034	NASDAQ	ATRI	Fri, Oct 17, 2003	40.80	43.05	40.80	42.70
3033	NASDAQ	ATRI	Thu, Oct 16, 2003	42.70	44.11	41.26	41.57
3032	NASDAQ	ATRI	Wed, Oct 15, 2003	46.86	47.74	42.75	42.75
3031	NASDAQ	ATRI	Tue, Oct 14, 2003	48.59	48.60	46.55	46.55
3030	NASDAQ	ATRI	Mon, Oct 13, 2003	48.71	48.75	46.55	48.75
3029	NASDAQ	ATRI	Fri, Oct 10, 2003	47.45	49.05	46.56	47.50
3028	NASDAQ	ATRI	Thu, Oct 9, 2003	47.73	47.97	47.20	47.60
3027	NASDAQ	ATRI	Wed, Oct 8, 2003	47.98	48.23	46.90	47.31
3026	NASDAQ	ATRI	Tue, Oct 7, 2003	48.49	48.49	47.60	47.61
3025	NASDAQ	ATRI	Mon, Oct 6, 2003	46.75	48.28	46.55	47.97
3024	NASDAQ	ATRI	Fri, Oct 3, 2003	45.65	46.60	44.75	46.55
3023	NASDAQ	ATRI	Thu, Oct 2, 2003	46.50	46.60	44.52	45.05
3022	NASDAQ	ATRI	Wed, Oct 1, 2003	45.24	46.70	44.46	46.45
3021	NASDAQ	ATRI	Tue, Sep 30, 2003	43.49	45.40	43.43	45.20
3020	NASDAQ	ATRI	Mon, Sep 29, 2003	41.92	43.45	41.92	43.45
3019	NASDAQ	ATRI	Fri, Sep 26, 2003	43.09	43.09	41.92	41.92
3018	NASDAQ	ATRI	Thu, Sep 25, 2003	42.01	42.76	42.01	42.50
3017	NASDAQ	ATRI	Wed, Sep 24, 2003	42.63	42.63	42.47	42.47
3016	NASDAQ	ATRI	Tue, Sep 23, 2003	42.99	43.00	42.50	42.54
3015	NASDAQ	ATRI	Mon, Sep 22, 2003	41.62	42.64	41.40	41.50
3014	NASDAQ	ATRI	Fri, Sep 19, 2003	41.23	41.64	40.86	41.64
3013	NASDAQ	ATRI	Thu, Sep 18, 2003	41.86	42.00	41.25	42.00
3012	NASDAQ	ATRI	Wed, Sep 17, 2003	41.66	42.00	41.02	41.89
3011	NASDAQ	ATRI	Tue, Sep 16, 2003	39.95	41.13	39.90	41.13
3010	NASDAQ	ATRI	Mon, Sep 15, 2003	38.98	40.00	38.98	39.24
3009	NASDAQ	ATRI	Fri, Sep 12, 2003	38.30	38.70	38.30	38.70
3008	NASDAQ	ATRI	Thu, Sep 11, 2003	38.84	39.67	34.88	38.30
3007	NASDAQ	ATRI	Wed, Sep 10, 2003	38.79	38.79	37.40	38.30
3006	NASDAQ	ATRI	Tue, Sep 9, 2003	38.95	39.85	38.41	38.88
3005	NASDAQ	ATRI	Mon, Sep 8, 2003	35.50	39.01	35.50	38.21
3004	NASDAQ	ATRI	Fri, Sep 5, 2003	35.00	35.99	35.00	35.07
3003	NASDAQ	ATRI	Thu, Sep 4, 2003	35.30	35.55	34.82	35.50
3002	NASDAQ	ATRI	Wed, Sep 3, 2003	35.41	35.41	35.16	35.25
3001	NASDAQ	ATRI	Fri, Aug 29, 2003	35.99	35.99	35.54	35.54
3000	NASDAQ	ATRI	Thu, Aug 28, 2003	35.94	36.14	35.94	35.94
2999	NASDAQ	ATRI	Wed, Aug 27, 2003	35.91	35.91	35.91	35.91
2998	NASDAQ	ATRI	Tue, Aug 26, 2003	35.87	35.87	35.41	35.70
2997	NASDAQ	ATRI	Fri, Aug 22, 2003	35.61	35.61	35.60	35.61
2996	NASDAQ	ATRI	Thu, Aug 21, 2003	35.56	35.98	35.56	35.98
2995	NASDAQ	ATRI	Wed, Aug 20, 2003	35.56	35.56	35.55	35.55
2994	NASDAQ	ATRI	Tue, Aug 19, 2003	35.96	35.96	35.52	35.52
2993	NASDAQ	ATRI	Mon, Aug 18, 2003	36.13	36.13	35.45	35.81
2992	NASDAQ	ATRI	Fri, Aug 15, 2003	35.40	36.14	35.40	35.45
2991	NASDAQ	ATRI	Thu, Aug 14, 2003	36.14	36.14	36.14	36.14
2990	NASDAQ	ATRI	Wed, Aug 13, 2003	35.97	36.20	35.30	35.31
2989	NASDAQ	ATRI	Tue, Aug 12, 2003	35.20	35.20	35.20	35.20
2988	NASDAQ	ATRI	Mon, Aug 11, 2003	35.98	36.10	35.81	35.81
2987	NASDAQ	ATRI	Fri, Aug 8, 2003	36.00	36.00	36.00	36.00
2986	NASDAQ	ATRI	Thu, Aug 7, 2003	34.54	36.80	34.54	36.80
2985	NASDAQ	ATRI	Wed, Aug 6, 2003	34.52	34.52	34.52	34.52
2984	NASDAQ	ATRI	Tue, Aug 5, 2003	33.31	36.80	33.00	34.12
2983	NASDAQ	ATRI	Mon, Aug 4, 2003	33.25	35.45	33.25	34.50
2982	NASDAQ	ATRI	Fri, Aug 1, 2003	32.02	32.02	32.00	32.02
2981	NASDAQ	ATRI	Thu, Jul 31, 2003	32.85	33.01	32.03	33.00
2980	NASDAQ	ATRI	Wed, Jul 30, 2003	32.85	32.85	32.85	32.85
2979	NASDAQ	ATRI	Mon, Jul 28, 2003	32.00	33.00	32.00	32.00
2978	NASDAQ	ATRI	Fri, Jul 25, 2003	30.99	33.48	30.99	33.48
2977	NASDAQ	ATRI	Thu, Jul 24, 2003	30.65	30.99	30.65	30.99
2976	NASDAQ	ATRI	Wed, Jul 23, 2003	30.75	30.99	30.75	30.99
2975	NASDAQ	ATRI	Tue, Jul 22, 2003	30.99	30.99	30.50	30.50
2974	NASDAQ	ATRI	Mon, Jul 21, 2003	30.50	30.73	30.50	30.73
2973	NASDAQ	ATRI	Fri, Jul 18, 2003	30.32	30.32	30.32	30.32
2972	NASDAQ	ATRI	Thu, Jul 17, 2003	30.65	30.75	30.65	30.75
2971	NASDAQ	ATRI	Wed, Jul 16, 2003	30.93	30.93	30.93	30.93
2970	NASDAQ	ATRI	Tue, Jul 15, 2003	30.50	31.08	30.33	31.08
2969	NASDAQ	ATRI	Mon, Jul 14, 2003	30.05	30.10	29.35	30.10
2968	NASDAQ	ATRI	Fri, Jul 11, 2003	29.15	29.15	29.00	29.00
2967	NASDAQ	ATRI	Thu, Jul 10, 2003	28.99	29.30	28.99	29.30
2966	NASDAQ	ATRI	Mon, Jul 7, 2003	27.38	28.69	27.38	28.69
2965	NASDAQ	ATRI	Thu, Jul 3, 2003	26.80	26.80	26.80	26.80
2964	NASDAQ	ATRI	Wed, Jul 2, 2003	28.00	28.00	26.82	26.82
2963	NASDAQ	ATRI	Tue, Jul 1, 2003	27.27	27.27	26.82	26.82
2962	NASDAQ	ATRI	Mon, Jun 30, 2003	29.00	29.00	27.69	27.69
2961	NASDAQ	ATRI	Fri, Jun 27, 2003	28.52	29.10	28.52	29.10
2960	NASDAQ	ATRI	Thu, Jun 26, 2003	28.27	28.27	28.27	28.27
2959	NASDAQ	ATRI	Wed, Jun 25, 2003	28.28	28.90	27.43	27.47
2958	NASDAQ	ATRI	Mon, Jun 23, 2003	28.43	28.43	28.35	28.35
2957	NASDAQ	ATRI	Fri, Jun 20, 2003	28.50	28.50	28.38	28.50
2956	NASDAQ	ATRI	Thu, Jun 19, 2003	29.30	29.30	28.51	28.75
2955	NASDAQ	ATRI	Wed, Jun 18, 2003	28.01	28.01	28.01	28.01
2954	NASDAQ	ATRI	Tue, Jun 17, 2003	28.00	28.00	28.00	28.00
2953	NASDAQ	ATRI	Thu, Jun 12, 2003	28.35	28.41	28.00	28.00
2952	NASDAQ	ATRI	Wed, Jun 11, 2003	30.56	30.56	27.91	28.34
2951	NASDAQ	ATRI	Tue, Jun 10, 2003	30.80	30.80	30.80	30.80
2950	NASDAQ	ATRI	Fri, Jun 6, 2003	30.50	30.50	30.49	30.49
2949	NASDAQ	ATRI	Thu, Jun 5, 2003	29.24	30.51	29.24	30.51
2948	NASDAQ	ATRI	Wed, Jun 4, 2003	28.34	28.95	28.34	28.73
2947	NASDAQ	ATRI	Tue, Jun 3, 2003	27.25	28.48	27.25	28.34
2946	NASDAQ	ATRI	Mon, Jun 2, 2003	27.10	28.10	27.10	27.90
2945	NASDAQ	ATRI	Fri, May 30, 2003	26.94	26.94	26.92	26.92
2944	NASDAQ	ATRI	Thu, May 29, 2003	27.05	27.12	27.05	27.12
2943	NASDAQ	ATRI	Wed, May 28, 2003	26.98	26.98	26.94	26.94
2942	NASDAQ	ATRI	Tue, May 27, 2003	26.50	26.74	26.50	26.74
2941	NASDAQ	ATRI	Fri, May 23, 2003	26.70	26.70	26.50	26.55
2940	NASDAQ	ATRI	Thu, May 22, 2003	26.96	26.96	26.81	26.81
2939	NASDAQ	ATRI	Wed, May 21, 2003	26.72	26.90	26.57	26.90
2938	NASDAQ	ATRI	Tue, May 20, 2003	26.92	27.01	26.00	26.00
2937	NASDAQ	ATRI	Mon, May 19, 2003	26.76	26.92	24.76	26.90
2936	NASDAQ	ATRI	Fri, May 16, 2003	27.35	27.49	27.09	27.22
2935	NASDAQ	ATRI	Thu, May 15, 2003	27.50	27.50	27.50	27.50
2934	NASDAQ	ATRI	Tue, May 13, 2003	26.30	27.33	26.30	27.26
2933	NASDAQ	ATRI	Mon, May 12, 2003	26.43	26.92	26.42	26.89
2932	NASDAQ	ATRI	Fri, May 9, 2003	27.54	28.00	25.81	26.20
2931	NASDAQ	ATRI	Thu, May 8, 2003	27.33	27.46	27.29	27.45
2930	NASDAQ	ATRI	Wed, May 7, 2003	26.79	27.00	26.50	27.00
2929	NASDAQ	ATRI	Tue, May 6, 2003	27.15	27.15	26.46	26.61
2928	NASDAQ	ATRI	Mon, May 5, 2003	27.12	27.14	26.86	27.14
2927	NASDAQ	ATRI	Fri, May 2, 2003	25.25	27.82	25.25	27.32
2926	NASDAQ	ATRI	Thu, May 1, 2003	24.38	25.25	24.38	25.25
2925	NASDAQ	ATRI	Wed, Apr 30, 2003	23.94	24.33	23.94	24.33
2924	NASDAQ	ATRI	Thu, Apr 24, 2003	24.25	24.25	23.01	23.01
2923	NASDAQ	ATRI	Wed, Apr 23, 2003	23.52	24.42	23.52	24.42
2922	NASDAQ	ATRI	Mon, Apr 21, 2003	23.34	23.50	23.34	23.50
2921	NASDAQ	ATRI	Thu, Apr 17, 2003	23.19	23.19	23.19	23.19
2920	NASDAQ	ATRI	Wed, Apr 16, 2003	23.19	23.19	22.85	23.03
2919	NASDAQ	ATRI	Tue, Apr 15, 2003	23.00	23.50	23.00	23.50
2918	NASDAQ	ATRI	Mon, Apr 14, 2003	23.16	23.16	22.50	22.84
2917	NASDAQ	ATRI	Fri, Apr 11, 2003	22.92	23.00	22.92	22.99
2916	NASDAQ	ATRI	Wed, Apr 9, 2003	22.86	22.86	22.86	22.86
2915	NASDAQ	ATRI	Tue, Apr 8, 2003	22.92	22.92	22.92	22.92
2914	NASDAQ	ATRI	Mon, Apr 7, 2003	22.80	22.80	22.75	22.75
2913	NASDAQ	ATRI	Thu, Apr 3, 2003	22.80	22.90	22.70	22.80
2912	NASDAQ	ATRI	Wed, Apr 2, 2003	22.80	22.80	22.80	22.80
2911	NASDAQ	ATRI	Tue, Apr 1, 2003	22.71	22.75	22.71	22.75
2910	NASDAQ	ATRI	Mon, Mar 31, 2003	22.68	22.85	22.68	22.85
2909	NASDAQ	ATRI	Thu, Mar 27, 2003	22.70	22.70	22.70	22.70
2908	NASDAQ	ATRI	Wed, Mar 26, 2003	22.60	22.90	22.60	22.70
2907	NASDAQ	ATRI	Tue, Mar 25, 2003	22.80	22.85	22.61	22.61
2906	NASDAQ	ATRI	Mon, Mar 24, 2003	22.56	22.56	22.56	22.56
2905	NASDAQ	ATRI	Fri, Mar 21, 2003	22.56	22.72	22.56	22.72
2904	NASDAQ	ATRI	Thu, Mar 20, 2003	22.56	22.64	22.56	22.64
2903	NASDAQ	ATRI	Wed, Mar 19, 2003	22.56	22.56	22.56	22.56
2902	NASDAQ	ATRI	Tue, Mar 18, 2003	22.52	22.59	22.52	22.59
2901	NASDAQ	ATRI	Mon, Mar 17, 2003	22.45	22.83	22.45	22.63
2900	NASDAQ	ATRI	Thu, Mar 13, 2003	22.40	22.45	22.40	22.40
2899	NASDAQ	ATRI	Wed, Mar 12, 2003	22.49	22.49	22.49	22.49
2898	NASDAQ	ATRI	Mon, Mar 10, 2003	22.33	22.45	22.33	22.43
2897	NASDAQ	ATRI	Fri, Mar 7, 2003	22.29	22.30	22.25	22.25
2896	NASDAQ	ATRI	Thu, Mar 6, 2003	22.31	22.42	22.31	22.42
2895	NASDAQ	ATRI	Wed, Mar 5, 2003	22.30	22.31	22.25	22.31
2894	NASDAQ	ATRI	Tue, Mar 4, 2003	22.33	22.52	22.19	22.21
2893	NASDAQ	ATRI	Mon, Mar 3, 2003	22.10	22.47	22.10	22.15
2892	NASDAQ	ATRI	Fri, Feb 28, 2003	21.85	22.10	21.75	22.10
2891	NASDAQ	ATRI	Thu, Feb 27, 2003	21.49	22.49	21.49	21.90
2890	NASDAQ	ATRI	Wed, Feb 26, 2003	18.17	18.40	17.98	18.00
2889	NASDAQ	ATRI	Mon, Feb 24, 2003	18.00	18.00	17.95	17.95
2888	NASDAQ	ATRI	Fri, Feb 21, 2003	18.17	18.17	18.11	18.11
2887	NASDAQ	ATRI	Wed, Feb 19, 2003	18.15	18.45	18.10	18.10
2886	NASDAQ	ATRI	Tue, Feb 18, 2003	18.77	18.77	18.15	18.15
2885	NASDAQ	ATRI	Fri, Feb 14, 2003	19.88	19.88	19.88	19.88
2884	NASDAQ	ATRI	Thu, Feb 13, 2003	19.15	19.15	18.71	18.71
2883	NASDAQ	ATRI	Wed, Feb 12, 2003	19.71	19.81	19.50	19.81
2882	NASDAQ	ATRI	Mon, Feb 10, 2003	19.67	19.68	19.67	19.68
2881	NASDAQ	ATRI	Fri, Feb 7, 2003	19.65	19.67	19.65	19.67
2880	NASDAQ	ATRI	Thu, Feb 6, 2003	20.09	20.18	20.09	20.18
2879	NASDAQ	ATRI	Wed, Feb 5, 2003	20.30	20.31	20.07	20.07
2878	NASDAQ	ATRI	Tue, Feb 4, 2003	21.41	21.43	20.00	20.00
2877	NASDAQ	ATRI	Fri, Jan 31, 2003	22.08	22.08	20.60	21.55
2876	NASDAQ	ATRI	Wed, Jan 29, 2003	22.00	22.24	22.00	22.17
2875	NASDAQ	ATRI	Mon, Jan 27, 2003	21.88	21.97	21.80	21.80
2874	NASDAQ	ATRI	Fri, Jan 24, 2003	21.74	21.88	21.74	21.87
2873	NASDAQ	ATRI	Thu, Jan 23, 2003	21.94	21.94	20.90	21.34
2872	NASDAQ	ATRI	Wed, Jan 22, 2003	21.24	21.73	20.64	20.64
2871	NASDAQ	ATRI	Tue, Jan 21, 2003	21.47	21.89	20.95	21.43
2870	NASDAQ	ATRI	Fri, Jan 17, 2003	21.61	21.90	21.11	21.54
2869	NASDAQ	ATRI	Thu, Jan 16, 2003	22.10	22.10	21.62	21.62
2868	NASDAQ	ATRI	Wed, Jan 15, 2003	22.25	22.25	22.11	22.11
2867	NASDAQ	ATRI	Fri, Jan 10, 2003	22.09	22.25	22.09	22.25
2866	NASDAQ	ATRI	Thu, Jan 9, 2003	22.19	22.25	22.19	22.25
2865	NASDAQ	ATRI	Wed, Jan 8, 2003	22.25	22.25	22.05	22.05
2864	NASDAQ	ATRI	Tue, Jan 7, 2003	22.05	22.33	22.05	22.33
2863	NASDAQ	ATRI	Fri, Jan 3, 2003	22.06	22.06	22.06	22.06
2862	NASDAQ	ATRI	Tue, Dec 31, 2002	22.50	22.50	22.48	22.50
2861	NASDAQ	ATRI	Mon, Dec 30, 2002	21.83	21.86	21.83	21.86
2860	NASDAQ	ATRI	Fri, Dec 27, 2002	21.80	22.90	21.80	22.76
2859	NASDAQ	ATRI	Mon, Dec 23, 2002	21.59	21.75	21.50	21.50
2858	NASDAQ	ATRI	Fri, Dec 20, 2002	22.30	22.30	21.60	21.65
2857	NASDAQ	ATRI	Thu, Dec 19, 2002	23.39	24.42	22.50	22.50
2856	NASDAQ	ATRI	Wed, Dec 18, 2002	23.06	23.36	23.06	23.30
2855	NASDAQ	ATRI	Tue, Dec 17, 2002	23.39	23.39	23.39	23.39
2854	NASDAQ	ATRI	Mon, Dec 16, 2002	23.74	23.74	23.39	23.39
2853	NASDAQ	ATRI	Thu, Dec 12, 2002	23.33	23.90	23.33	23.90
2852	NASDAQ	ATRI	Wed, Dec 11, 2002	23.23	23.24	23.09	23.11
2851	NASDAQ	ATRI	Tue, Dec 10, 2002	22.59	23.12	22.58	23.12
2850	NASDAQ	ATRI	Mon, Dec 9, 2002	22.48	22.48	22.25	22.48
2849	NASDAQ	ATRI	Fri, Dec 6, 2002	22.15	22.25	22.15	22.25
2848	NASDAQ	ATRI	Thu, Dec 5, 2002	21.83	22.11	21.83	22.11
2847	NASDAQ	ATRI	Wed, Dec 4, 2002	21.91	23.92	21.60	21.60
2846	NASDAQ	ATRI	Mon, Dec 2, 2002	20.01	20.08	20.01	20.08
2845	NASDAQ	ATRI	Wed, Nov 27, 2002	21.12	21.96	21.12	21.96
2844	NASDAQ	ATRI	Tue, Nov 26, 2002	21.05	21.05	21.00	21.00
2843	NASDAQ	ATRI	Mon, Nov 25, 2002	20.98	21.98	20.57	21.06
2842	NASDAQ	ATRI	Fri, Nov 22, 2002	21.78	21.79	19.83	20.50
2841	NASDAQ	ATRI	Thu, Nov 21, 2002	20.92	21.01	20.92	21.01
2840	NASDAQ	ATRI	Wed, Nov 20, 2002	20.22	20.86	20.22	20.85
2839	NASDAQ	ATRI	Tue, Nov 19, 2002	20.31	20.44	19.80	20.15
2838	NASDAQ	ATRI	Mon, Nov 18, 2002	20.00	20.97	20.00	20.97
2837	NASDAQ	ATRI	Fri, Nov 15, 2002	19.70	19.99	19.70	19.99
2836	NASDAQ	ATRI	Thu, Nov 14, 2002	19.54	19.54	19.54	19.54
2835	NASDAQ	ATRI	Tue, Nov 12, 2002	18.85	20.22	18.85	19.00
2834	NASDAQ	ATRI	Mon, Nov 11, 2002	18.40	18.40	18.40	18.40
2833	NASDAQ	ATRI	Fri, Nov 8, 2002	17.85	18.35	17.44	18.35
2832	NASDAQ	ATRI	Thu, Nov 7, 2002	17.85	17.85	17.31	17.31
2831	NASDAQ	ATRI	Wed, Nov 6, 2002	18.13	18.13	17.13	17.76
2830	NASDAQ	ATRI	Tue, Nov 5, 2002	18.26	18.46	17.69	18.11
2829	NASDAQ	ATRI	Mon, Nov 4, 2002	19.13	20.09	18.77	18.77
2828	NASDAQ	ATRI	Thu, Oct 31, 2002	19.15	20.34	19.10	20.34
2827	NASDAQ	ATRI	Wed, Oct 30, 2002	19.96	19.96	19.02	19.02
2826	NASDAQ	ATRI	Tue, Oct 29, 2002	17.96	19.50	17.96	19.10
2825	NASDAQ	ATRI	Mon, Oct 28, 2002	17.59	17.93	17.59	17.93
2824	NASDAQ	ATRI	Fri, Oct 25, 2002	17.93	17.93	17.65	17.65
2823	NASDAQ	ATRI	Thu, Oct 24, 2002	17.97	17.97	17.55	17.55
2822	NASDAQ	ATRI	Tue, Oct 22, 2002	17.93	17.93	17.92	17.92
2821	NASDAQ	ATRI	Mon, Oct 21, 2002	18.27	18.27	17.95	18.01
2820	NASDAQ	ATRI	Thu, Oct 17, 2002	18.25	18.49	18.25	18.49
2819	NASDAQ	ATRI	Wed, Oct 16, 2002	18.23	18.24	18.10	18.10
2818	NASDAQ	ATRI	Tue, Oct 15, 2002	18.18	18.29	18.00	18.00
2817	NASDAQ	ATRI	Mon, Oct 14, 2002	17.91	17.93	17.91	17.93
2816	NASDAQ	ATRI	Thu, Oct 10, 2002	18.16	18.17	17.91	17.91
2815	NASDAQ	ATRI	Wed, Oct 9, 2002	17.96	18.00	17.91	17.91
2814	NASDAQ	ATRI	Tue, Oct 8, 2002	18.12	18.12	18.06	18.06
2813	NASDAQ	ATRI	Mon, Oct 7, 2002	18.12	18.12	18.12	18.12
2812	NASDAQ	ATRI	Fri, Oct 4, 2002	18.49	18.49	18.35	18.35
2811	NASDAQ	ATRI	Thu, Oct 3, 2002	18.49	18.50	18.49	18.50
2810	NASDAQ	ATRI	Wed, Oct 2, 2002	18.74	18.74	18.31	18.49
2809	NASDAQ	ATRI	Tue, Oct 1, 2002	18.29	18.29	18.11	18.18
2808	NASDAQ	ATRI	Mon, Sep 30, 2002	18.49	18.54	18.25	18.54
2807	NASDAQ	ATRI	Fri, Sep 27, 2002	18.51	18.51	18.51	18.51
2806	NASDAQ	ATRI	Thu, Sep 26, 2002	18.44	18.44	18.43	18.43
2805	NASDAQ	ATRI	Wed, Sep 25, 2002	18.16	19.00	18.16	18.74
2804	NASDAQ	ATRI	Tue, Sep 24, 2002	19.26	19.26	18.31	18.31
2803	NASDAQ	ATRI	Mon, Sep 23, 2002	19.31	19.31	19.25	19.31
2802	NASDAQ	ATRI	Fri, Sep 20, 2002	19.52	19.52	19.51	19.51
2801	NASDAQ	ATRI	Thu, Sep 19, 2002	19.96	19.96	19.52	19.94
2800	NASDAQ	ATRI	Wed, Sep 18, 2002	19.40	19.75	19.40	19.46
2799	NASDAQ	ATRI	Wed, Sep 11, 2002	20.49	20.50	20.49	20.50
2798	NASDAQ	ATRI	Tue, Sep 10, 2002	20.26	20.26	18.26	20.01
2797	NASDAQ	ATRI	Fri, Sep 6, 2002	20.51	20.81	20.26	20.81
2796	NASDAQ	ATRI	Thu, Sep 5, 2002	20.25	20.44	20.25	20.44
2795	NASDAQ	ATRI	Wed, Sep 4, 2002	19.90	20.01	19.90	20.00
2794	NASDAQ	ATRI	Tue, Sep 3, 2002	20.21	20.62	19.25	19.71
2793	NASDAQ	ATRI	Fri, Aug 30, 2002	20.27	20.27	20.27	20.27
2792	NASDAQ	ATRI	Thu, Aug 29, 2002	20.06	20.25	20.05	20.25
2791	NASDAQ	ATRI	Wed, Aug 28, 2002	20.50	20.50	20.05	20.05
2790	NASDAQ	ATRI	Tue, Aug 27, 2002	20.08	20.20	20.08	20.20
2789	NASDAQ	ATRI	Fri, Aug 23, 2002	20.44	20.45	20.08	20.34
2788	NASDAQ	ATRI	Thu, Aug 22, 2002	20.08	20.08	20.08	20.08
2787	NASDAQ	ATRI	Wed, Aug 21, 2002	20.15	20.40	20.15	20.25
2786	NASDAQ	ATRI	Tue, Aug 20, 2002	21.23	21.29	20.01	20.32
2785	NASDAQ	ATRI	Fri, Aug 16, 2002	20.70	20.92	17.30	20.50
2784	NASDAQ	ATRI	Thu, Aug 15, 2002	20.73	20.73	20.73	20.73
2783	NASDAQ	ATRI	Wed, Aug 14, 2002	20.75	20.75	20.74	20.74
2782	NASDAQ	ATRI	Fri, Aug 9, 2002	20.73	21.41	20.73	21.17
2781	NASDAQ	ATRI	Mon, Aug 5, 2002	20.73	20.73	20.73	20.73
2780	NASDAQ	ATRI	Fri, Aug 2, 2002	21.00	21.00	20.73	20.73
2779	NASDAQ	ATRI	Thu, Aug 1, 2002	20.74	21.71	20.73	21.15
2778	NASDAQ	ATRI	Wed, Jul 31, 2002	22.01	22.02	20.20	21.00
2777	NASDAQ	ATRI	Tue, Jul 30, 2002	22.37	24.50	22.37	24.50
2776	NASDAQ	ATRI	Mon, Jul 29, 2002	23.45	23.60	23.45	23.60
2775	NASDAQ	ATRI	Fri, Jul 26, 2002	22.99	22.99	22.99	22.99
2774	NASDAQ	ATRI	Thu, Jul 25, 2002	22.51	22.51	22.15	22.50
2773	NASDAQ	ATRI	Wed, Jul 24, 2002	22.01	22.01	22.01	22.01
2772	NASDAQ	ATRI	Tue, Jul 23, 2002	22.40	22.40	20.20	21.99
2771	NASDAQ	ATRI	Mon, Jul 22, 2002	22.00	22.88	22.00	22.88
2770	NASDAQ	ATRI	Fri, Jul 19, 2002	23.50	23.50	22.70	22.70
2769	NASDAQ	ATRI	Thu, Jul 18, 2002	23.49	23.50	23.49	23.50
2768	NASDAQ	ATRI	Wed, Jul 17, 2002	24.21	24.45	21.78	23.97
2767	NASDAQ	ATRI	Tue, Jul 16, 2002	25.00	25.00	24.49	24.49
2766	NASDAQ	ATRI	Mon, Jul 15, 2002	25.12	25.12	24.18	24.18
2765	NASDAQ	ATRI	Fri, Jul 12, 2002	25.15	25.15	25.15	25.15
2764	NASDAQ	ATRI	Thu, Jul 11, 2002	25.98	25.98	25.27	25.27
2763	NASDAQ	ATRI	Wed, Jul 10, 2002	27.61	27.70	26.13	26.13
2762	NASDAQ	ATRI	Tue, Jul 9, 2002	27.63	27.70	27.63	27.70
2761	NASDAQ	ATRI	Mon, Jul 8, 2002	27.78	27.85	27.63	27.63
2760	NASDAQ	ATRI	Wed, Jul 3, 2002	29.00	29.00	27.79	27.79
2759	NASDAQ	ATRI	Tue, Jul 2, 2002	28.09	28.09	27.97	27.98
2758	NASDAQ	ATRI	Mon, Jul 1, 2002	28.89	29.25	27.89	28.09
2757	NASDAQ	ATRI	Fri, Jun 28, 2002	28.00	29.35	27.65	27.81
2756	NASDAQ	ATRI	Thu, Jun 27, 2002	28.02	28.02	28.02	28.02
2755	NASDAQ	ATRI	Wed, Jun 26, 2002	28.89	28.91	28.05	28.05
2754	NASDAQ	ATRI	Tue, Jun 25, 2002	28.70	28.70	28.60	28.60
2753	NASDAQ	ATRI	Mon, Jun 24, 2002	30.27	30.27	28.83	28.83
2752	NASDAQ	ATRI	Fri, Jun 21, 2002	30.52	30.52	30.52	30.52
2751	NASDAQ	ATRI	Thu, Jun 20, 2002	30.13	30.74	30.13	30.74
2750	NASDAQ	ATRI	Wed, Jun 19, 2002	29.72	31.02	29.72	30.00
2749	NASDAQ	ATRI	Tue, Jun 18, 2002	29.15	29.69	29.15	29.25
2748	NASDAQ	ATRI	Mon, Jun 17, 2002	29.86	29.86	28.86	29.41
2747	NASDAQ	ATRI	Wed, Jun 12, 2002	30.00	30.00	29.73	29.73
2746	NASDAQ	ATRI	Tue, Jun 11, 2002	30.50	30.89	30.00	30.89
2745	NASDAQ	ATRI	Mon, Jun 10, 2002	30.51	30.60	30.50	30.50
2744	NASDAQ	ATRI	Fri, Jun 7, 2002	30.01	30.51	30.01	30.51
2743	NASDAQ	ATRI	Thu, Jun 6, 2002	30.55	30.55	30.55	30.55
2742	NASDAQ	ATRI	Wed, Jun 5, 2002	30.80	30.95	30.80	30.95
2741	NASDAQ	ATRI	Tue, Jun 4, 2002	30.51	31.57	30.51	30.55
2740	NASDAQ	ATRI	Mon, Jun 3, 2002	31.69	31.69	31.35	31.36
2739	NASDAQ	ATRI	Wed, May 29, 2002	31.00	31.99	30.79	30.92
2738	NASDAQ	ATRI	Tue, May 28, 2002	30.74	31.14	30.74	30.74
2737	NASDAQ	ATRI	Fri, May 24, 2002	31.64	31.64	31.64	31.64
2736	NASDAQ	ATRI	Wed, May 22, 2002	31.72	31.72	31.62	31.62
2735	NASDAQ	ATRI	Tue, May 21, 2002	32.51	32.51	32.22	32.30
2734	NASDAQ	ATRI	Mon, May 20, 2002	32.25	32.51	32.25	32.51
2733	NASDAQ	ATRI	Fri, May 17, 2002	31.98	32.00	31.20	32.00
2732	NASDAQ	ATRI	Wed, May 15, 2002	32.20	32.45	32.20	32.21
2731	NASDAQ	ATRI	Tue, May 14, 2002	31.08	32.47	31.08	32.20
2730	NASDAQ	ATRI	Mon, May 13, 2002	28.91	31.50	28.91	31.09
2729	NASDAQ	ATRI	Fri, May 10, 2002	28.43	28.45	28.43	28.45
2728	NASDAQ	ATRI	Thu, May 9, 2002	28.43	28.43	28.43	28.43
2727	NASDAQ	ATRI	Wed, May 8, 2002	28.41	28.41	28.41	28.41
2726	NASDAQ	ATRI	Tue, May 7, 2002	28.89	28.89	28.41	28.41
2725	NASDAQ	ATRI	Mon, May 6, 2002	29.16	29.16	28.88	28.88
2724	NASDAQ	ATRI	Fri, May 3, 2002	29.00	29.19	28.86	29.19
2723	NASDAQ	ATRI	Thu, May 2, 2002	27.45	29.00	27.45	28.99
2722	NASDAQ	ATRI	Wed, May 1, 2002	27.80	28.17	27.40	27.45
2721	NASDAQ	ATRI	Tue, Apr 30, 2002	28.29	28.29	27.80	27.81
2720	NASDAQ	ATRI	Mon, Apr 29, 2002	29.18	29.32	28.01	28.29
2719	NASDAQ	ATRI	Fri, Apr 26, 2002	28.12	28.64	28.12	28.64
2718	NASDAQ	ATRI	Tue, Apr 23, 2002	28.01	28.01	28.01	28.01
2717	NASDAQ	ATRI	Mon, Apr 22, 2002	29.01	29.46	28.00	29.46
2716	NASDAQ	ATRI	Fri, Apr 19, 2002	27.59	29.68	27.59	29.68
2715	NASDAQ	ATRI	Thu, Apr 18, 2002	27.50	27.50	27.50	27.50
2714	NASDAQ	ATRI	Wed, Apr 17, 2002	27.29	27.49	27.29	27.49
2713	NASDAQ	ATRI	Tue, Apr 16, 2002	27.81	27.82	27.50	27.50
2712	NASDAQ	ATRI	Mon, Apr 15, 2002	26.81	28.40	26.81	27.70
2711	NASDAQ	ATRI	Fri, Apr 12, 2002	27.25	27.35	26.82	26.82
2710	NASDAQ	ATRI	Thu, Apr 11, 2002	27.30	27.30	27.24	27.24
2709	NASDAQ	ATRI	Wed, Apr 10, 2002	27.00	27.01	26.96	26.96
2708	NASDAQ	ATRI	Tue, Apr 9, 2002	27.30	27.30	27.30	27.30
2707	NASDAQ	ATRI	Mon, Apr 8, 2002	27.36	27.41	27.31	27.31
2706	NASDAQ	ATRI	Fri, Apr 5, 2002	27.41	27.41	27.41	27.41
2705	NASDAQ	ATRI	Mon, Apr 1, 2002	27.64	27.64	27.64	27.64
2704	NASDAQ	ATRI	Thu, Mar 28, 2002	27.73	27.74	27.54	27.54
2703	NASDAQ	ATRI	Wed, Mar 27, 2002	27.00	27.71	26.80	27.67
2702	NASDAQ	ATRI	Tue, Mar 26, 2002	27.00	27.49	27.00	27.49
2701	NASDAQ	ATRI	Mon, Mar 25, 2002	26.81	26.95	26.80	26.95
2700	NASDAQ	ATRI	Fri, Mar 22, 2002	26.90	27.69	26.65	27.69
2699	NASDAQ	ATRI	Thu, Mar 21, 2002	27.30	27.30	26.91	26.91
2698	NASDAQ	ATRI	Wed, Mar 20, 2002	26.98	27.87	26.98	27.75
2697	NASDAQ	ATRI	Tue, Mar 19, 2002	27.28	27.84	27.15	27.84
2696	NASDAQ	ATRI	Mon, Mar 18, 2002	27.28	27.50	27.28	27.50
2695	NASDAQ	ATRI	Fri, Mar 15, 2002	27.01	27.28	26.75	27.28
2694	NASDAQ	ATRI	Thu, Mar 14, 2002	28.06	28.06	27.00	27.00
2693	NASDAQ	ATRI	Wed, Mar 13, 2002	27.64	28.17	27.64	28.17
2692	NASDAQ	ATRI	Tue, Mar 12, 2002	27.96	28.08	27.88	28.08
2691	NASDAQ	ATRI	Mon, Mar 11, 2002	28.24	28.45	27.80	28.19
2690	NASDAQ	ATRI	Fri, Mar 8, 2002	27.98	28.25	27.98	28.25
2689	NASDAQ	ATRI	Thu, Mar 7, 2002	28.55	28.55	27.96	27.97
2688	NASDAQ	ATRI	Wed, Mar 6, 2002	29.20	29.20	28.19	28.55
2687	NASDAQ	ATRI	Tue, Mar 5, 2002	29.96	29.96	29.06	29.25
2686	NASDAQ	ATRI	Mon, Mar 4, 2002	29.96	30.29	29.95	29.99
2685	NASDAQ	ATRI	Fri, Mar 1, 2002	30.51	30.94	30.30	30.94
2684	NASDAQ	ATRI	Thu, Feb 28, 2002	31.01	31.01	30.52	30.52
2683	NASDAQ	ATRI	Wed, Feb 27, 2002	32.49	32.50	30.83	31.06
2682	NASDAQ	ATRI	Tue, Feb 26, 2002	32.75	33.00	31.54	32.50
2681	NASDAQ	ATRI	Mon, Feb 25, 2002	32.00	32.00	31.75	32.00
2680	NASDAQ	ATRI	Fri, Feb 22, 2002	31.77	31.77	31.49	31.49
2679	NASDAQ	ATRI	Thu, Feb 21, 2002	33.35	33.64	31.94	31.94
2678	NASDAQ	ATRI	Wed, Feb 20, 2002	33.40	34.50	33.35	33.35
2677	NASDAQ	ATRI	Tue, Feb 19, 2002	33.39	33.39	32.99	33.39
2676	NASDAQ	ATRI	Fri, Feb 15, 2002	32.83	33.39	32.83	33.00
2675	NASDAQ	ATRI	Thu, Feb 14, 2002	32.40	32.40	32.40	32.40
2674	NASDAQ	ATRI	Wed, Feb 13, 2002	32.39	32.39	32.39	32.39
2673	NASDAQ	ATRI	Tue, Feb 12, 2002	31.36	32.51	31.36	32.05
2672	NASDAQ	ATRI	Mon, Feb 11, 2002	30.55	31.10	30.34	30.56
2671	NASDAQ	ATRI	Fri, Feb 8, 2002	30.86	30.99	30.24	30.35
2670	NASDAQ	ATRI	Thu, Feb 7, 2002	32.20	32.20	30.28	31.00
2669	NASDAQ	ATRI	Wed, Feb 6, 2002	33.13	33.15	32.15	32.50
2668	NASDAQ	ATRI	Tue, Feb 5, 2002	33.75	34.00	33.15	33.15
2667	NASDAQ	ATRI	Mon, Feb 4, 2002	33.68	34.58	32.00	34.38
2666	NASDAQ	ATRI	Fri, Feb 1, 2002	34.58	34.66	34.58	34.66
2665	NASDAQ	ATRI	Thu, Jan 31, 2002	34.61	35.50	34.61	35.00
2664	NASDAQ	ATRI	Wed, Jan 30, 2002	32.86	35.03	32.21	35.03
2663	NASDAQ	ATRI	Tue, Jan 29, 2002	37.61	37.61	34.96	34.96
2662	NASDAQ	ATRI	Mon, Jan 28, 2002	38.13	38.36	38.03	38.03
2661	NASDAQ	ATRI	Fri, Jan 25, 2002	38.03	38.14	37.51	38.14
2660	NASDAQ	ATRI	Thu, Jan 24, 2002	37.62	37.98	37.47	37.47
2659	NASDAQ	ATRI	Wed, Jan 23, 2002	37.65	38.05	36.95	38.02
2658	NASDAQ	ATRI	Tue, Jan 22, 2002	37.81	38.28	37.77	37.77
2657	NASDAQ	ATRI	Fri, Jan 18, 2002	38.19	38.19	37.90	37.99
2656	NASDAQ	ATRI	Thu, Jan 17, 2002	38.27	38.27	37.86	37.86
2655	NASDAQ	ATRI	Wed, Jan 16, 2002	37.58	37.62	37.58	37.62
2654	NASDAQ	ATRI	Tue, Jan 15, 2002	37.99	38.85	37.41	38.00
2653	NASDAQ	ATRI	Mon, Jan 14, 2002	37.15	38.80	37.04	37.99
2652	NASDAQ	ATRI	Fri, Jan 11, 2002	35.75	36.31	35.64	36.12
2651	NASDAQ	ATRI	Thu, Jan 10, 2002	37.10	37.10	35.73	35.73
2650	NASDAQ	ATRI	Wed, Jan 9, 2002	37.25	37.25	37.10	37.10
2649	NASDAQ	ATRI	Tue, Jan 8, 2002	37.20	37.20	36.78	37.04
2648	NASDAQ	ATRI	Mon, Jan 7, 2002	37.58	37.83	37.20	37.21
2647	NASDAQ	ATRI	Fri, Jan 4, 2002	37.99	37.99	37.20	37.20
2646	NASDAQ	ATRI	Thu, Jan 3, 2002	37.40	38.75	37.08	37.97
2645	NASDAQ	ATRI	Wed, Jan 2, 2002	37.15	37.95	36.70	37.95
2644	NASDAQ	ATRI	Mon, Dec 31, 2001	36.90	38.50	36.90	38.05
2643	NASDAQ	ATRI	Fri, Dec 28, 2001	36.45	37.00	36.00	36.90
2642	NASDAQ	ATRI	Thu, Dec 27, 2001	34.69	36.79	34.69	36.49
2641	NASDAQ	ATRI	Wed, Dec 26, 2001	34.62	34.62	34.62	34.62
2640	NASDAQ	ATRI	Mon, Dec 24, 2001	34.38	34.60	34.38	34.60
2639	NASDAQ	ATRI	Fri, Dec 21, 2001	34.52	34.52	34.38	34.38
2638	NASDAQ	ATRI	Thu, Dec 20, 2001	34.11	34.32	34.11	34.28
2637	NASDAQ	ATRI	Wed, Dec 19, 2001	34.10	34.10	34.10	34.10
2636	NASDAQ	ATRI	Tue, Dec 18, 2001	34.05	34.27	34.05	34.15
2635	NASDAQ	ATRI	Mon, Dec 17, 2001	34.11	34.11	33.60	33.95
2634	NASDAQ	ATRI	Fri, Dec 14, 2001	34.26	34.26	34.10	34.10
2633	NASDAQ	ATRI	Thu, Dec 13, 2001	34.62	34.83	34.20	34.26
2632	NASDAQ	ATRI	Wed, Dec 12, 2001	34.25	34.47	34.00	34.47
2631	NASDAQ	ATRI	Tue, Dec 11, 2001	34.27	34.48	34.27	34.27
2630	NASDAQ	ATRI	Mon, Dec 10, 2001	34.27	34.30	34.27	34.30
2629	NASDAQ	ATRI	Fri, Dec 7, 2001	34.88	34.88	34.27	34.27
2628	NASDAQ	ATRI	Thu, Dec 6, 2001	34.01	34.60	34.01	34.60
2627	NASDAQ	ATRI	Wed, Dec 5, 2001	34.27	34.27	34.01	34.16
2626	NASDAQ	ATRI	Tue, Dec 4, 2001	34.00	34.00	33.91	33.91
2625	NASDAQ	ATRI	Mon, Dec 3, 2001	34.01	34.09	33.86	33.86
2624	NASDAQ	ATRI	Fri, Nov 30, 2001	34.00	34.25	33.81	34.25
2623	NASDAQ	ATRI	Thu, Nov 29, 2001	34.25	34.25	34.00	34.00
2622	NASDAQ	ATRI	Wed, Nov 28, 2001	33.70	34.05	33.70	34.05
2621	NASDAQ	ATRI	Tue, Nov 27, 2001	33.75	33.75	33.72	33.72
2620	NASDAQ	ATRI	Mon, Nov 26, 2001	33.91	34.19	32.65	34.07
2619	NASDAQ	ATRI	Fri, Nov 23, 2001	34.00	34.00	33.97	33.98
2618	NASDAQ	ATRI	Wed, Nov 21, 2001	32.75	34.25	32.74	33.91
2617	NASDAQ	ATRI	Tue, Nov 20, 2001	32.75	32.77	31.43	32.02
2616	NASDAQ	ATRI	Mon, Nov 19, 2001	31.51	32.73	31.50	32.73
2615	NASDAQ	ATRI	Fri, Nov 16, 2001	32.27	32.30	31.09	31.09
2614	NASDAQ	ATRI	Thu, Nov 15, 2001	29.81	32.04	29.80	32.04
2613	NASDAQ	ATRI	Wed, Nov 14, 2001	29.02	29.84	29.02	29.62
2612	NASDAQ	ATRI	Tue, Nov 13, 2001	28.95	29.34	28.85	29.01
2611	NASDAQ	ATRI	Mon, Nov 12, 2001	28.62	29.25	26.65	28.90
2610	NASDAQ	ATRI	Fri, Nov 9, 2001	29.57	30.33	28.70	29.17
2609	NASDAQ	ATRI	Thu, Nov 8, 2001	32.75	32.80	30.30	30.30
2608	NASDAQ	ATRI	Wed, Nov 7, 2001	33.80	34.45	32.80	32.80
2607	NASDAQ	ATRI	Tue, Nov 6, 2001	34.01	34.65	33.77	34.48
2606	NASDAQ	ATRI	Mon, Nov 5, 2001	34.62	34.62	33.76	34.59
2605	NASDAQ	ATRI	Fri, Nov 2, 2001	35.26	35.99	33.75	34.26
2604	NASDAQ	ATRI	Thu, Nov 1, 2001	36.05	36.60	34.86	35.26
2603	NASDAQ	ATRI	Wed, Oct 31, 2001	34.55	35.88	33.42	34.71
2602	NASDAQ	ATRI	Tue, Oct 30, 2001	32.96	34.08	32.50	33.50
2601	NASDAQ	ATRI	Mon, Oct 29, 2001	32.88	32.95	32.26	32.95
2600	NASDAQ	ATRI	Fri, Oct 26, 2001	31.51	33.00	30.75	32.84
2599	NASDAQ	ATRI	Thu, Oct 25, 2001	32.25	32.25	31.50	32.00
2598	NASDAQ	ATRI	Wed, Oct 24, 2001	32.37	32.45	30.95	32.45
2597	NASDAQ	ATRI	Tue, Oct 23, 2001	33.10	33.11	30.63	32.10
2596	NASDAQ	ATRI	Mon, Oct 22, 2001	30.55	33.34	30.25	33.00
2595	NASDAQ	ATRI	Fri, Oct 19, 2001	28.90	30.36	28.90	29.99
2594	NASDAQ	ATRI	Thu, Oct 18, 2001	28.35	29.15	26.58	27.12
2593	NASDAQ	ATRI	Wed, Oct 17, 2001	27.60	28.57	25.81	28.00
2592	NASDAQ	ATRI	Tue, Oct 16, 2001	24.74	26.10	24.74	25.81
2591	NASDAQ	ATRI	Mon, Oct 15, 2001	24.35	24.35	24.00	24.24
2590	NASDAQ	ATRI	Fri, Oct 12, 2001	24.75	24.75	23.63	24.75
2589	NASDAQ	ATRI	Thu, Oct 11, 2001	24.52	24.99	24.50	24.99
2588	NASDAQ	ATRI	Wed, Oct 10, 2001	23.49	24.61	23.49	24.49
2587	NASDAQ	ATRI	Tue, Oct 9, 2001	23.06	23.39	20.57	23.39
2586	NASDAQ	ATRI	Mon, Oct 8, 2001	23.95	23.95	22.69	23.42
2585	NASDAQ	ATRI	Fri, Oct 5, 2001	26.25	26.45	23.41	23.41
2584	NASDAQ	ATRI	Thu, Oct 4, 2001	25.75	26.09	24.95	25.34
2583	NASDAQ	ATRI	Wed, Oct 3, 2001	24.38	25.00	24.00	25.00
2582	NASDAQ	ATRI	Tue, Oct 2, 2001	25.00	25.00	23.83	24.75
2581	NASDAQ	ATRI	Mon, Oct 1, 2001	23.75	24.98	23.74	24.98
2580	NASDAQ	ATRI	Fri, Sep 28, 2001	22.48	24.34	22.48	23.13
2579	NASDAQ	ATRI	Thu, Sep 27, 2001	21.60	21.98	21.60	21.73
2578	NASDAQ	ATRI	Mon, Sep 24, 2001	19.51	21.62	19.51	21.50
2577	NASDAQ	ATRI	Fri, Sep 21, 2001	20.35	20.35	19.51	19.51
2576	NASDAQ	ATRI	Thu, Sep 20, 2001	20.02	20.02	20.00	20.00
2575	NASDAQ	ATRI	Wed, Sep 19, 2001	21.96	21.96	19.71	19.71
2574	NASDAQ	ATRI	Tue, Sep 18, 2001	21.99	21.99	20.50	20.51
2573	NASDAQ	ATRI	Mon, Sep 17, 2001	20.00	21.99	19.50	19.85
2572	NASDAQ	ATRI	Mon, Sep 10, 2001	21.51	21.87	20.89	20.89
2571	NASDAQ	ATRI	Thu, Sep 6, 2001	21.46	21.46	21.46	21.46
2570	NASDAQ	ATRI	Wed, Sep 5, 2001	21.48	21.48	21.48	21.48
2569	NASDAQ	ATRI	Tue, Sep 4, 2001	22.01	22.02	20.00	22.02
2568	NASDAQ	ATRI	Fri, Aug 31, 2001	23.13	23.13	22.10	22.74
2567	NASDAQ	ATRI	Thu, Aug 30, 2001	22.65	23.13	22.38	23.13
2566	NASDAQ	ATRI	Wed, Aug 29, 2001	22.75	22.75	22.64	22.64
2565	NASDAQ	ATRI	Tue, Aug 28, 2001	22.07	23.50	22.07	23.14
2564	NASDAQ	ATRI	Mon, Aug 27, 2001	22.32	23.89	22.32	23.89
2563	NASDAQ	ATRI	Wed, Aug 22, 2001	23.39	23.76	23.39	23.76
2562	NASDAQ	ATRI	Tue, Aug 21, 2001	22.21	22.21	22.00	22.00
2561	NASDAQ	ATRI	Mon, Aug 20, 2001	22.51	22.51	22.20	22.20
2560	NASDAQ	ATRI	Fri, Aug 17, 2001	23.00	23.00	22.60	22.60
2559	NASDAQ	ATRI	Wed, Aug 15, 2001	23.29	23.50	23.29	23.50
2558	NASDAQ	ATRI	Tue, Aug 14, 2001	22.74	23.35	22.25	22.25
2557	NASDAQ	ATRI	Mon, Aug 13, 2001	22.08	22.74	22.08	22.74
2556	NASDAQ	ATRI	Fri, Aug 10, 2001	22.07	22.49	22.07	22.49
2555	NASDAQ	ATRI	Thu, Aug 9, 2001	22.11	22.11	22.11	22.11
2554	NASDAQ	ATRI	Wed, Aug 8, 2001	22.00	22.92	22.00	22.11
2553	NASDAQ	ATRI	Tue, Aug 7, 2001	22.01	22.01	21.85	21.93
2552	NASDAQ	ATRI	Mon, Aug 6, 2001	21.75	22.03	21.75	21.99
2551	NASDAQ	ATRI	Fri, Aug 3, 2001	22.10	22.10	22.10	22.10
2550	NASDAQ	ATRI	Thu, Aug 2, 2001	24.02	24.02	21.66	23.00
2549	NASDAQ	ATRI	Wed, Aug 1, 2001	22.50	23.80	22.50	23.80
2548	NASDAQ	ATRI	Tue, Jul 31, 2001	21.61	22.80	21.61	22.75
2547	NASDAQ	ATRI	Mon, Jul 30, 2001	24.26	24.26	21.56	21.98
2546	NASDAQ	ATRI	Fri, Jul 27, 2001	23.02	23.02	23.00	23.00
2545	NASDAQ	ATRI	Thu, Jul 26, 2001	25.12	25.12	24.00	24.00
2544	NASDAQ	ATRI	Wed, Jul 25, 2001	24.25	24.97	24.21	24.25
2543	NASDAQ	ATRI	Mon, Jul 23, 2001	24.26	24.26	22.26	22.26
2542	NASDAQ	ATRI	Fri, Jul 20, 2001	25.72	25.74	24.75	24.75
2541	NASDAQ	ATRI	Thu, Jul 19, 2001	25.00	25.70	25.00	25.70
2540	NASDAQ	ATRI	Wed, Jul 18, 2001	24.68	24.68	24.68	24.68
2539	NASDAQ	ATRI	Tue, Jul 17, 2001	24.07	25.75	24.07	25.00
2538	NASDAQ	ATRI	Mon, Jul 16, 2001	24.00	24.97	24.00	24.07
2537	NASDAQ	ATRI	Fri, Jul 13, 2001	22.95	23.50	22.20	23.50
2536	NASDAQ	ATRI	Thu, Jul 12, 2001	22.49	23.46	21.65	21.65
2535	NASDAQ	ATRI	Wed, Jul 11, 2001	22.75	23.00	21.45	21.45
2534	NASDAQ	ATRI	Tue, Jul 10, 2001	22.98	22.98	22.50	22.50
2533	NASDAQ	ATRI	Mon, Jul 9, 2001	21.00	22.97	21.00	22.97
2532	NASDAQ	ATRI	Fri, Jul 6, 2001	22.00	22.00	22.00	22.00
2531	NASDAQ	ATRI	Thu, Jul 5, 2001	20.13	22.00	19.88	22.00
2530	NASDAQ	ATRI	Tue, Jul 3, 2001	22.13	23.05	22.10	22.90
2529	NASDAQ	ATRI	Mon, Jul 2, 2001	23.05	23.05	22.02	22.02
2528	NASDAQ	ATRI	Thu, Jun 28, 2001	22.48	22.99	22.48	22.51
2527	NASDAQ	ATRI	Wed, Jun 27, 2001	21.99	21.99	21.02	21.02
2526	NASDAQ	ATRI	Mon, Jun 25, 2001	20.04	22.24	20.04	20.81
2525	NASDAQ	ATRI	Fri, Jun 22, 2001	22.65	22.65	22.65	22.65
2524	NASDAQ	ATRI	Thu, Jun 21, 2001	22.65	22.65	22.65	22.65
2523	NASDAQ	ATRI	Wed, Jun 20, 2001	23.56	23.56	20.67	22.21
2522	NASDAQ	ATRI	Tue, Jun 19, 2001	22.62	24.87	21.11	23.60
2521	NASDAQ	ATRI	Mon, Jun 18, 2001	21.01	22.62	19.51	22.50
2520	NASDAQ	ATRI	Fri, Jun 15, 2001	23.36	23.36	19.77	22.13
2519	NASDAQ	ATRI	Thu, Jun 14, 2001	24.10	24.10	23.56	23.56
2518	NASDAQ	ATRI	Wed, Jun 13, 2001	24.77	24.77	24.05	24.05
2517	NASDAQ	ATRI	Tue, Jun 12, 2001	24.26	25.50	24.26	25.00
2516	NASDAQ	ATRI	Mon, Jun 11, 2001	25.15	25.31	24.76	24.76
2515	NASDAQ	ATRI	Fri, Jun 8, 2001	23.35	25.00	23.34	24.85
2514	NASDAQ	ATRI	Thu, Jun 7, 2001	24.24	24.24	23.35	23.35
2513	NASDAQ	ATRI	Wed, Jun 6, 2001	23.35	24.86	23.35	24.23
2512	NASDAQ	ATRI	Tue, Jun 5, 2001	23.35	23.48	23.35	23.48
2511	NASDAQ	ATRI	Mon, Jun 4, 2001	23.00	23.35	22.50	23.35
2510	NASDAQ	ATRI	Fri, Jun 1, 2001	20.03	22.25	20.03	22.25
2509	NASDAQ	ATRI	Thu, May 31, 2001	19.68	21.04	19.68	20.15
2508	NASDAQ	ATRI	Wed, May 30, 2001	23.84	23.94	18.91	21.36
2507	NASDAQ	ATRI	Tue, May 29, 2001	23.03	23.99	22.90	23.99
2506	NASDAQ	ATRI	Fri, May 25, 2001	24.70	24.99	23.25	23.25
2505	NASDAQ	ATRI	Thu, May 24, 2001	23.89	24.75	23.01	24.75
2504	NASDAQ	ATRI	Wed, May 23, 2001	24.87	25.37	24.86	24.86
2503	NASDAQ	ATRI	Tue, May 22, 2001	25.85	25.85	24.01	24.99
2502	NASDAQ	ATRI	Mon, May 21, 2001	24.50	25.90	24.50	25.74
2501	NASDAQ	ATRI	Fri, May 18, 2001	23.55	24.09	22.89	24.09
2500	NASDAQ	ATRI	Thu, May 17, 2001	23.05	23.78	23.02	23.78
2499	NASDAQ	ATRI	Wed, May 16, 2001	23.78	23.93	23.78	23.88
2498	NASDAQ	ATRI	Tue, May 15, 2001	23.50	24.05	23.00	23.00
2497	NASDAQ	ATRI	Mon, May 14, 2001	22.48	23.50	22.37	23.24
2496	NASDAQ	ATRI	Fri, May 11, 2001	21.70	22.75	21.22	22.61
2495	NASDAQ	ATRI	Thu, May 10, 2001	21.00	22.40	20.00	22.40
2494	NASDAQ	ATRI	Wed, May 9, 2001	21.44	21.45	19.97	21.00
2493	NASDAQ	ATRI	Tue, May 8, 2001	20.45	20.95	20.45	20.47
2492	NASDAQ	ATRI	Mon, May 7, 2001	22.65	22.65	18.06	20.00
2491	NASDAQ	ATRI	Fri, May 4, 2001	21.93	22.00	21.93	22.00
2490	NASDAQ	ATRI	Thu, May 3, 2001	21.69	22.23	20.99	20.99
2489	NASDAQ	ATRI	Wed, May 2, 2001	22.24	22.24	20.99	21.40
2488	NASDAQ	ATRI	Tue, May 1, 2001	22.13	22.25	20.40	21.00
2487	NASDAQ	ATRI	Mon, Apr 30, 2001	21.47	23.50	21.40	22.25
2486	NASDAQ	ATRI	Fri, Apr 27, 2001	18.55	23.50	18.52	20.50
2485	NASDAQ	ATRI	Thu, Apr 26, 2001	18.00	18.74	18.00	18.50
2484	NASDAQ	ATRI	Wed, Apr 25, 2001	17.49	17.75	16.59	17.75
2483	NASDAQ	ATRI	Tue, Apr 24, 2001	17.46	17.46	17.46	17.46
2482	NASDAQ	ATRI	Fri, Apr 20, 2001	17.09	17.70	17.09	17.50
2481	NASDAQ	ATRI	Thu, Apr 19, 2001	17.70	17.70	17.09	17.09
2480	NASDAQ	ATRI	Wed, Apr 18, 2001	17.44	17.70	17.44	17.70
2479	NASDAQ	ATRI	Tue, Apr 17, 2001	16.50	16.50	16.50	16.50
2478	NASDAQ	ATRI	Mon, Apr 16, 2001	16.45	16.50	16.45	16.50
2477	NASDAQ	ATRI	Thu, Apr 12, 2001	16.13	16.13	15.95	15.95
2476	NASDAQ	ATRI	Wed, Apr 11, 2001	17.87	17.87	17.87	17.87
2475	NASDAQ	ATRI	Tue, Apr 10, 2001	16.60	17.87	16.13	17.87
2474	NASDAQ	ATRI	Mon, Apr 9, 2001	16.63	17.13	16.60	17.13
2473	NASDAQ	ATRI	Fri, Apr 6, 2001	15.69	16.63	15.69	16.63
2472	NASDAQ	ATRI	Thu, Apr 5, 2001	15.38	15.56	15.38	15.50
2471	NASDAQ	ATRI	Tue, Apr 3, 2001	15.19	15.19	15.19	15.19
2470	NASDAQ	ATRI	Mon, Apr 2, 2001	15.00	15.38	14.94	15.38
2469	NASDAQ	ATRI	Fri, Mar 30, 2001	14.88	14.88	14.88	14.88
2468	NASDAQ	ATRI	Thu, Mar 29, 2001	14.94	14.94	14.94	14.94
2467	NASDAQ	ATRI	Wed, Mar 28, 2001	14.75	14.75	14.75	14.75
2466	NASDAQ	ATRI	Tue, Mar 27, 2001	14.86	14.88	14.86	14.88
2465	NASDAQ	ATRI	Mon, Mar 26, 2001	14.81	14.88	14.81	14.88
2464	NASDAQ	ATRI	Fri, Mar 23, 2001	14.75	14.75	14.75	14.75
2463	NASDAQ	ATRI	Thu, Mar 22, 2001	14.75	14.75	14.75	14.75
2462	NASDAQ	ATRI	Wed, Mar 21, 2001	14.75	14.75	14.75	14.75
2461	NASDAQ	ATRI	Tue, Mar 20, 2001	14.69	14.69	14.69	14.69
2460	NASDAQ	ATRI	Mon, Mar 19, 2001	14.69	14.69	14.69	14.69
2459	NASDAQ	ATRI	Fri, Mar 16, 2001	14.69	14.81	14.63	14.63
2458	NASDAQ	ATRI	Thu, Mar 15, 2001	14.81	15.00	14.81	15.00
2457	NASDAQ	ATRI	Wed, Mar 14, 2001	15.25	15.25	15.25	15.25
2456	NASDAQ	ATRI	Tue, Mar 13, 2001	14.38	15.06	14.38	15.06
2455	NASDAQ	ATRI	Mon, Mar 12, 2001	14.50	14.50	14.38	14.50
2454	NASDAQ	ATRI	Fri, Mar 9, 2001	14.38	14.50	14.38	14.38
2453	NASDAQ	ATRI	Thu, Mar 8, 2001	14.38	14.38	14.38	14.38
2452	NASDAQ	ATRI	Wed, Mar 7, 2001	14.38	14.38	14.25	14.25
2451	NASDAQ	ATRI	Tue, Mar 6, 2001	14.50	14.50	14.50	14.50
2450	NASDAQ	ATRI	Mon, Mar 5, 2001	14.50	14.63	14.25	14.44
2449	NASDAQ	ATRI	Fri, Mar 2, 2001	14.25	14.25	14.25	14.25
2448	NASDAQ	ATRI	Thu, Mar 1, 2001	14.25	14.25	14.25	14.25
2447	NASDAQ	ATRI	Wed, Feb 28, 2001	14.25	14.63	14.25	14.25
2446	NASDAQ	ATRI	Tue, Feb 27, 2001	14.00	14.00	14.00	14.00
2445	NASDAQ	ATRI	Mon, Feb 26, 2001	14.88	14.88	14.25	14.25
2444	NASDAQ	ATRI	Fri, Feb 23, 2001	14.88	15.00	14.88	15.00
2443	NASDAQ	ATRI	Thu, Feb 22, 2001	15.00	15.38	15.00	15.38
2442	NASDAQ	ATRI	Wed, Feb 21, 2001	14.50	15.44	14.50	15.25
2441	NASDAQ	ATRI	Tue, Feb 20, 2001	14.06	14.06	14.06	14.06
2440	NASDAQ	ATRI	Fri, Feb 16, 2001	14.13	14.13	14.06	14.13
2439	NASDAQ	ATRI	Thu, Feb 15, 2001	14.00	14.13	14.00	14.13
2438	NASDAQ	ATRI	Wed, Feb 14, 2001	14.00	14.00	14.00	14.00
2437	NASDAQ	ATRI	Tue, Feb 13, 2001	14.00	14.00	14.00	14.00
2436	NASDAQ	ATRI	Mon, Feb 12, 2001	14.00	14.00	14.00	14.00
2435	NASDAQ	ATRI	Fri, Feb 9, 2001	14.00	14.00	14.00	14.00
2434	NASDAQ	ATRI	Thu, Feb 8, 2001	14.00	14.00	14.00	14.00
2433	NASDAQ	ATRI	Wed, Feb 7, 2001	14.00	14.00	14.00	14.00
2432	NASDAQ	ATRI	Fri, Feb 2, 2001	14.00	14.00	14.00	14.00
2431	NASDAQ	ATRI	Wed, Jan 31, 2001	14.75	14.75	14.63	14.63
2430	NASDAQ	ATRI	Tue, Jan 30, 2001	13.75	14.75	13.75	14.75
2429	NASDAQ	ATRI	Thu, Jan 25, 2001	14.25	14.25	13.75	13.75
2428	NASDAQ	ATRI	Wed, Jan 24, 2001	14.50	14.50	14.50	14.50
2427	NASDAQ	ATRI	Mon, Jan 22, 2001	15.38	15.38	13.56	14.00
2426	NASDAQ	ATRI	Fri, Jan 19, 2001	14.75	14.75	14.75	14.75
2425	NASDAQ	ATRI	Thu, Jan 18, 2001	14.63	14.63	14.63	14.63
2424	NASDAQ	ATRI	Wed, Jan 17, 2001	14.88	14.88	14.88	14.88
2423	NASDAQ	ATRI	Tue, Jan 16, 2001	15.63	15.63	15.63	15.63
2422	NASDAQ	ATRI	Fri, Jan 12, 2001	15.00	15.50	14.88	15.50
2421	NASDAQ	ATRI	Thu, Jan 11, 2001	15.25	15.25	15.25	15.25
2420	NASDAQ	ATRI	Wed, Jan 10, 2001	15.63	15.63	14.81	14.81
2419	NASDAQ	ATRI	Tue, Jan 9, 2001	15.13	15.63	14.13	15.63
2418	NASDAQ	ATRI	Mon, Jan 8, 2001	15.38	15.88	15.00	15.88
2417	NASDAQ	ATRI	Fri, Jan 5, 2001	14.38	15.38	14.38	14.38
2416	NASDAQ	ATRI	Thu, Jan 4, 2001	14.25	14.50	14.25	14.50
2415	NASDAQ	ATRI	Wed, Jan 3, 2001	14.50	14.50	13.88	13.88
2414	NASDAQ	ATRI	Tue, Jan 2, 2001	13.88	13.88	13.88	13.88
2413	NASDAQ	ATRI	Fri, Dec 29, 2000	13.81	14.75	13.81	14.75
2412	NASDAQ	ATRI	Thu, Dec 28, 2000	14.13	14.13	13.88	13.88
2411	NASDAQ	ATRI	Wed, Dec 27, 2000	14.50	14.50	13.94	14.38
2410	NASDAQ	ATRI	Tue, Dec 26, 2000	14.25	14.25	14.13	14.13
2409	NASDAQ	ATRI	Fri, Dec 22, 2000	15.00	15.00	15.00	15.00
2408	NASDAQ	ATRI	Thu, Dec 21, 2000	15.00	15.00	14.13	15.00
2407	NASDAQ	ATRI	Wed, Dec 20, 2000	14.00	14.00	14.00	14.00
2406	NASDAQ	ATRI	Tue, Dec 19, 2000	14.13	14.13	14.13	14.13
2405	NASDAQ	ATRI	Mon, Dec 18, 2000	14.50	14.50	13.50	13.50
2404	NASDAQ	ATRI	Fri, Dec 15, 2000	14.13	15.00	14.13	14.63
2403	NASDAQ	ATRI	Wed, Dec 13, 2000	13.81	13.81	13.75	13.75
2402	NASDAQ	ATRI	Tue, Dec 12, 2000	13.00	14.00	13.00	13.75
2401	NASDAQ	ATRI	Mon, Dec 11, 2000	12.63	13.00	12.63	12.63
2400	NASDAQ	ATRI	Fri, Dec 8, 2000	12.38	12.50	12.38	12.50
2399	NASDAQ	ATRI	Tue, Dec 5, 2000	12.00	12.38	12.00	12.31
2398	NASDAQ	ATRI	Mon, Dec 4, 2000	12.00	12.00	11.75	11.75
2397	NASDAQ	ATRI	Thu, Nov 30, 2000	11.88	11.88	11.88	11.88
2396	NASDAQ	ATRI	Tue, Nov 28, 2000	12.13	12.13	12.13	12.13
2395	NASDAQ	ATRI	Wed, Nov 22, 2000	11.88	11.88	11.88	11.88
2394	NASDAQ	ATRI	Tue, Nov 21, 2000	11.88	11.88	11.88	11.88
2393	NASDAQ	ATRI	Thu, Nov 16, 2000	12.38	12.38	12.38	12.38
2392	NASDAQ	ATRI	Wed, Nov 15, 2000	12.38	12.38	12.38	12.38
2391	NASDAQ	ATRI	Mon, Nov 13, 2000	12.00	12.00	11.38	11.38
2390	NASDAQ	ATRI	Thu, Nov 9, 2000	11.81	12.50	11.81	12.50
2389	NASDAQ	ATRI	Wed, Nov 8, 2000	11.75	11.75	11.75	11.75
2388	NASDAQ	ATRI	Tue, Nov 7, 2000	11.75	11.75	11.75	11.75
2387	NASDAQ	ATRI	Mon, Nov 6, 2000	11.75	11.75	11.75	11.75
2386	NASDAQ	ATRI	Thu, Nov 2, 2000	11.75	11.75	11.75	11.75
2385	NASDAQ	ATRI	Wed, Nov 1, 2000	11.81	11.81	11.75	11.75
2384	NASDAQ	ATRI	Tue, Oct 31, 2000	11.25	11.25	11.25	11.25
2383	NASDAQ	ATRI	Mon, Oct 30, 2000	11.75	11.75	11.75	11.75
2382	NASDAQ	ATRI	Fri, Oct 27, 2000	11.50	11.63	11.50	11.56
2381	NASDAQ	ATRI	Thu, Oct 26, 2000	12.13	12.13	12.13	12.13
2380	NASDAQ	ATRI	Wed, Oct 25, 2000	12.13	12.13	12.00	12.00
2379	NASDAQ	ATRI	Mon, Oct 23, 2000	11.06	11.06	11.06	11.06
2378	NASDAQ	ATRI	Fri, Oct 20, 2000	10.75	10.75	10.75	10.75
2377	NASDAQ	ATRI	Mon, Oct 16, 2000	10.63	10.63	10.63	10.63
2376	NASDAQ	ATRI	Thu, Oct 12, 2000	11.75	11.75	11.38	11.38
2375	NASDAQ	ATRI	Wed, Oct 11, 2000	12.13	12.13	12.13	12.13
2374	NASDAQ	ATRI	Fri, Oct 6, 2000	11.94	12.13	11.94	12.13
2373	NASDAQ	ATRI	Tue, Oct 3, 2000	12.44	12.44	12.38	12.38
2372	NASDAQ	ATRI	Mon, Oct 2, 2000	12.38	12.38	12.38	12.38
2371	NASDAQ	ATRI	Thu, Sep 28, 2000	12.38	12.38	12.38	12.38
2370	NASDAQ	ATRI	Tue, Sep 26, 2000	12.50	12.50	12.50	12.50
2369	NASDAQ	ATRI	Mon, Sep 25, 2000	12.69	12.69	12.50	12.63
2368	NASDAQ	ATRI	Fri, Sep 22, 2000	12.50	12.69	12.50	12.69
2367	NASDAQ	ATRI	Wed, Sep 20, 2000	12.00	12.75	12.00	12.75
2366	NASDAQ	ATRI	Tue, Sep 19, 2000	12.56	12.56	12.56	12.56
2365	NASDAQ	ATRI	Mon, Sep 18, 2000	12.56	12.56	12.56	12.56
2364	NASDAQ	ATRI	Wed, Sep 13, 2000	12.50	12.81	12.50	12.75
2363	NASDAQ	ATRI	Tue, Sep 12, 2000	12.50	12.50	12.50	12.50
2362	NASDAQ	ATRI	Mon, Sep 11, 2000	12.50	12.50	12.50	12.50
2361	NASDAQ	ATRI	Fri, Sep 8, 2000	12.38	12.50	12.38	12.50
2360	NASDAQ	ATRI	Thu, Sep 7, 2000	12.13	12.13	12.13	12.13
2359	NASDAQ	ATRI	Wed, Sep 6, 2000	12.00	12.06	12.00	12.06
2358	NASDAQ	ATRI	Tue, Sep 5, 2000	12.25	12.25	12.25	12.25
2357	NASDAQ	ATRI	Fri, Sep 1, 2000	12.13	12.13	12.13	12.13
2356	NASDAQ	ATRI	Thu, Aug 31, 2000	12.06	12.38	12.06	12.13
2355	NASDAQ	ATRI	Wed, Aug 30, 2000	12.38	12.44	12.38	12.44
2354	NASDAQ	ATRI	Tue, Aug 29, 2000	12.38	12.38	12.38	12.38
2353	NASDAQ	ATRI	Mon, Aug 28, 2000	12.31	12.31	12.31	12.31
2352	NASDAQ	ATRI	Wed, Aug 23, 2000	12.50	12.50	12.50	12.50
2351	NASDAQ	ATRI	Tue, Aug 22, 2000	12.31	12.31	12.31	12.31
2350	NASDAQ	ATRI	Mon, Aug 21, 2000	12.63	12.63	12.63	12.63
2349	NASDAQ	ATRI	Fri, Aug 18, 2000	12.38	12.38	12.06	12.25
2348	NASDAQ	ATRI	Thu, Aug 17, 2000	12.56	12.56	12.38	12.38
2347	NASDAQ	ATRI	Tue, Aug 15, 2000	12.56	12.56	12.56	12.56
2346	NASDAQ	ATRI	Fri, Aug 11, 2000	12.38	12.38	12.38	12.38
2345	NASDAQ	ATRI	Thu, Aug 10, 2000	12.44	12.44	12.44	12.44
2344	NASDAQ	ATRI	Wed, Aug 9, 2000	12.44	12.44	12.44	12.44
2343	NASDAQ	ATRI	Mon, Aug 7, 2000	12.44	12.44	12.44	12.44
2342	NASDAQ	ATRI	Fri, Aug 4, 2000	12.50	12.50	12.50	12.50
2341	NASDAQ	ATRI	Thu, Aug 3, 2000	12.75	12.75	12.75	12.75
2340	NASDAQ	ATRI	Mon, Jul 31, 2000	12.25	12.94	12.25	12.94
2339	NASDAQ	ATRI	Fri, Jul 28, 2000	12.50	13.00	12.31	12.31
2338	NASDAQ	ATRI	Thu, Jul 27, 2000	13.00	13.00	12.50	12.50
2337	NASDAQ	ATRI	Tue, Jul 25, 2000	12.56	12.56	12.56	12.56
2336	NASDAQ	ATRI	Fri, Jul 21, 2000	12.50	12.50	12.50	12.50
2335	NASDAQ	ATRI	Wed, Jul 19, 2000	12.44	12.44	12.44	12.44
2334	NASDAQ	ATRI	Tue, Jul 18, 2000	12.25	12.25	12.25	12.25
2333	NASDAQ	ATRI	Mon, Jul 17, 2000	12.44	12.69	12.44	12.69
2332	NASDAQ	ATRI	Fri, Jul 14, 2000	12.25	12.31	12.25	12.31
2331	NASDAQ	ATRI	Wed, Jul 12, 2000	12.25	12.25	12.13	12.13
2330	NASDAQ	ATRI	Tue, Jul 11, 2000	12.31	12.31	12.25	12.25
2329	NASDAQ	ATRI	Fri, Jul 7, 2000	12.25	12.31	12.25	12.31
2328	NASDAQ	ATRI	Thu, Jul 6, 2000	12.25	12.31	12.25	12.31
2327	NASDAQ	ATRI	Mon, Jul 3, 2000	12.25	12.25	12.13	12.13
2326	NASDAQ	ATRI	Fri, Jun 30, 2000	12.38	12.38	12.38	12.38
2325	NASDAQ	ATRI	Wed, Jun 28, 2000	12.38	12.38	12.38	12.38
2324	NASDAQ	ATRI	Tue, Jun 27, 2000	12.13	12.25	12.13	12.25
2323	NASDAQ	ATRI	Thu, Jun 22, 2000	12.13	12.13	12.13	12.13
2322	NASDAQ	ATRI	Wed, Jun 21, 2000	12.50	12.50	12.44	12.44
2321	NASDAQ	ATRI	Mon, Jun 19, 2000	12.13	12.13	12.13	12.13
2320	NASDAQ	ATRI	Fri, Jun 16, 2000	12.13	12.13	12.13	12.13
2319	NASDAQ	ATRI	Thu, Jun 15, 2000	12.06	12.06	12.06	12.06
2318	NASDAQ	ATRI	Wed, Jun 14, 2000	12.44	12.44	12.44	12.44
2317	NASDAQ	ATRI	Tue, Jun 13, 2000	12.69	12.94	12.69	12.94
2316	NASDAQ	ATRI	Mon, Jun 12, 2000	12.50	12.50	12.06	12.31
2315	NASDAQ	ATRI	Wed, Jun 7, 2000	12.56	12.63	12.56	12.63
2314	NASDAQ	ATRI	Mon, Jun 5, 2000	12.25	12.56	12.25	12.56
2313	NASDAQ	ATRI	Fri, Jun 2, 2000	11.88	12.19	11.88	12.19
2312	NASDAQ	ATRI	Wed, May 24, 2000	12.06	12.06	12.06	12.06
2311	NASDAQ	ATRI	Tue, May 23, 2000	11.63	11.63	11.63	11.63
2310	NASDAQ	ATRI	Mon, May 22, 2000	11.69	12.06	11.69	12.06
2309	NASDAQ	ATRI	Thu, May 18, 2000	11.88	11.88	11.88	11.88
2308	NASDAQ	ATRI	Wed, May 17, 2000	11.88	11.88	11.88	11.88
2307	NASDAQ	ATRI	Tue, May 16, 2000	12.00	12.13	12.00	12.00
2306	NASDAQ	ATRI	Mon, May 15, 2000	12.13	12.13	12.00	12.00
2305	NASDAQ	ATRI	Fri, May 12, 2000	11.88	12.00	11.88	11.94
2304	NASDAQ	ATRI	Thu, May 11, 2000	11.88	11.88	11.88	11.88
2303	NASDAQ	ATRI	Wed, May 10, 2000	11.88	11.88	11.88	11.88
2302	NASDAQ	ATRI	Tue, May 9, 2000	11.88	11.88	11.88	11.88
2301	NASDAQ	ATRI	Mon, May 8, 2000	12.00	12.00	12.00	12.00
2300	NASDAQ	ATRI	Fri, May 5, 2000	11.75	11.75	11.75	11.75
2299	NASDAQ	ATRI	Tue, May 2, 2000	12.00	12.00	11.25	11.38
2298	NASDAQ	ATRI	Fri, Apr 28, 2000	12.06	12.06	12.06	12.06
2297	NASDAQ	ATRI	Thu, Apr 27, 2000	12.06	12.06	12.06	12.06
2296	NASDAQ	ATRI	Tue, Apr 25, 2000	11.88	12.38	11.75	12.38
2295	NASDAQ	ATRI	Mon, Apr 24, 2000	11.13	11.13	11.13	11.13
2294	NASDAQ	ATRI	Tue, Apr 18, 2000	11.50	11.50	11.13	11.13
2293	NASDAQ	ATRI	Mon, Apr 17, 2000	11.25	12.75	11.25	11.50
2292	NASDAQ	ATRI	Fri, Apr 14, 2000	11.25	11.25	11.13	11.13
2291	NASDAQ	ATRI	Thu, Apr 13, 2000	11.25	11.25	11.25	11.25
2290	NASDAQ	ATRI	Wed, Apr 12, 2000	11.25	11.25	11.25	11.25
2289	NASDAQ	ATRI	Tue, Apr 11, 2000	11.50	12.50	11.13	12.38
2288	NASDAQ	ATRI	Mon, Apr 10, 2000	12.50	12.50	12.38	12.38
2287	NASDAQ	ATRI	Fri, Apr 7, 2000	11.13	11.13	11.13	11.13
2286	NASDAQ	ATRI	Thu, Apr 6, 2000	11.13	11.13	11.13	11.13
2285	NASDAQ	ATRI	Wed, Apr 5, 2000	11.88	11.88	10.75	10.75
2284	NASDAQ	ATRI	Thu, Mar 30, 2000	11.25	11.25	11.25	11.25
2283	NASDAQ	ATRI	Wed, Mar 29, 2000	11.88	11.88	11.13	11.13
2282	NASDAQ	ATRI	Tue, Mar 28, 2000	12.13	12.13	11.88	11.88
2281	NASDAQ	ATRI	Mon, Mar 27, 2000	12.00	12.00	12.00	12.00
2280	NASDAQ	ATRI	Thu, Mar 23, 2000	12.44	12.44	12.13	12.13
2279	NASDAQ	ATRI	Tue, Mar 21, 2000	12.25	12.38	12.25	12.38
2278	NASDAQ	ATRI	Mon, Mar 20, 2000	13.13	13.13	12.38	12.38
2277	NASDAQ	ATRI	Fri, Mar 17, 2000	12.00	14.00	12.00	13.38
2276	NASDAQ	ATRI	Thu, Mar 16, 2000	12.00	12.00	12.00	12.00
2275	NASDAQ	ATRI	Wed, Mar 15, 2000	11.25	11.63	11.25	11.56
2274	NASDAQ	ATRI	Tue, Mar 14, 2000	10.81	11.25	10.81	11.13
2273	NASDAQ	ATRI	Fri, Mar 10, 2000	11.25	11.25	11.25	11.25
2272	NASDAQ	ATRI	Thu, Mar 9, 2000	11.13	11.13	11.00	11.00
2271	NASDAQ	ATRI	Wed, Mar 8, 2000	11.00	11.00	11.00	11.00
2270	NASDAQ	ATRI	Tue, Mar 7, 2000	11.13	11.13	11.13	11.13
2269	NASDAQ	ATRI	Mon, Mar 6, 2000	10.75	10.75	10.75	10.75
2268	NASDAQ	ATRI	Fri, Mar 3, 2000	11.25	11.31	10.75	10.75
2267	NASDAQ	ATRI	Thu, Mar 2, 2000	11.25	11.25	11.25	11.25
2266	NASDAQ	ATRI	Wed, Mar 1, 2000	11.38	11.50	11.38	11.50
2265	NASDAQ	ATRI	Tue, Feb 29, 2000	11.50	11.50	11.50	11.50
2264	NASDAQ	ATRI	Mon, Feb 28, 2000	10.75	10.75	10.75	10.75
2263	NASDAQ	ATRI	Fri, Feb 25, 2000	10.63	10.63	10.63	10.63
2262	NASDAQ	ATRI	Thu, Feb 24, 2000	10.63	10.63	10.63	10.63
2261	NASDAQ	ATRI	Wed, Feb 23, 2000	11.63	11.63	11.63	11.63
2260	NASDAQ	ATRI	Fri, Feb 18, 2000	11.50	11.63	11.50	11.63
2259	NASDAQ	ATRI	Thu, Feb 17, 2000	11.00	11.00	11.00	11.00
2258	NASDAQ	ATRI	Wed, Feb 16, 2000	10.50	11.13	10.38	11.13
2257	NASDAQ	ATRI	Tue, Feb 15, 2000	11.25	11.88	11.25	11.25
2256	NASDAQ	ATRI	Mon, Feb 14, 2000	11.50	11.88	11.25	11.25
2255	NASDAQ	ATRI	Fri, Feb 11, 2000	11.38	11.38	10.13	11.25
2254	NASDAQ	ATRI	Thu, Feb 10, 2000	10.13	10.75	9.63	10.75
2253	NASDAQ	ATRI	Wed, Feb 9, 2000	10.13	10.63	10.13	10.63
2252	NASDAQ	ATRI	Tue, Feb 8, 2000	10.06	10.06	10.06	10.06
2251	NASDAQ	ATRI	Mon, Feb 7, 2000	11.50	11.50	10.50	10.50
2250	NASDAQ	ATRI	Fri, Feb 4, 2000	11.13	11.13	11.13	11.13
2249	NASDAQ	ATRI	Thu, Feb 3, 2000	10.75	10.75	10.50	10.50
2248	NASDAQ	ATRI	Tue, Feb 1, 2000	11.13	11.13	11.13	11.13
2247	NASDAQ	ATRI	Mon, Jan 31, 2000	11.50	11.63	9.63	10.00
2246	NASDAQ	ATRI	Fri, Jan 28, 2000	11.63	11.63	10.44	10.88
2245	NASDAQ	ATRI	Thu, Jan 27, 2000	11.25	11.25	11.25	11.25
2244	NASDAQ	ATRI	Tue, Jan 25, 2000	11.25	11.25	10.94	10.94
2243	NASDAQ	ATRI	Mon, Jan 24, 2000	11.63	11.75	11.50	11.63
2242	NASDAQ	ATRI	Fri, Jan 21, 2000	11.25	11.38	11.25	11.25
2241	NASDAQ	ATRI	Thu, Jan 20, 2000	11.25	11.25	11.25	11.25
2240	NASDAQ	ATRI	Wed, Jan 19, 2000	10.88	11.25	10.88	11.25
2239	NASDAQ	ATRI	Tue, Jan 18, 2000	11.00	11.38	11.00	11.00
2238	NASDAQ	ATRI	Fri, Jan 14, 2000	11.06	11.13	11.06	11.13
2237	NASDAQ	ATRI	Thu, Jan 13, 2000	10.63	10.81	10.56	10.81
2236	NASDAQ	ATRI	Wed, Jan 12, 2000	10.38	10.38	10.13	10.13
2235	NASDAQ	ATRI	Mon, Jan 10, 2000	10.63	10.63	10.00	10.00
2234	NASDAQ	ATRI	Thu, Jan 6, 2000	10.88	10.88	10.88	10.88
2233	NASDAQ	ATRI	Wed, Jan 5, 2000	10.88	10.88	10.63	10.63
2232	NASDAQ	ATRI	Tue, Jan 4, 2000	10.63	10.63	10.63	10.63
2231	NASDAQ	ATRI	Mon, Jan 3, 2000	10.88	10.88	10.63	10.63
2230	NASDAQ	ATRI	Fri, Dec 31, 1999	10.63	10.63	10.63	10.63
2229	NASDAQ	ATRI	Thu, Dec 30, 1999	10.31	11.00	10.31	11.00
2228	NASDAQ	ATRI	Wed, Dec 29, 1999	10.00	10.31	10.00	10.31
2227	NASDAQ	ATRI	Mon, Dec 27, 1999	10.38	10.38	10.00	10.00
2226	NASDAQ	ATRI	Wed, Dec 22, 1999	10.63	10.63	10.50	10.50
2225	NASDAQ	ATRI	Tue, Dec 21, 1999	10.63	10.63	10.63	10.63
2224	NASDAQ	ATRI	Mon, Dec 20, 1999	10.88	10.88	10.88	10.88
2223	NASDAQ	ATRI	Fri, Dec 17, 1999	11.38	11.38	10.00	10.75
2222	NASDAQ	ATRI	Thu, Dec 16, 1999	12.00	12.00	11.84	11.84
2221	NASDAQ	ATRI	Wed, Dec 15, 1999	11.75	12.00	11.75	11.81
2220	NASDAQ	ATRI	Tue, Dec 14, 1999	11.75	11.75	11.75	11.75
2219	NASDAQ	ATRI	Mon, Dec 13, 1999	11.75	11.75	11.75	11.75
2218	NASDAQ	ATRI	Fri, Dec 10, 1999	11.75	11.75	11.75	11.75
2217	NASDAQ	ATRI	Thu, Dec 9, 1999	11.75	11.75	11.75	11.75
2216	NASDAQ	ATRI	Wed, Dec 8, 1999	12.00	12.00	11.75	11.94
2215	NASDAQ	ATRI	Tue, Dec 7, 1999	11.75	12.00	11.75	11.75
2214	NASDAQ	ATRI	Fri, Dec 3, 1999	11.75	11.75	11.75	11.75
2213	NASDAQ	ATRI	Thu, Dec 2, 1999	11.88	11.88	11.88	11.88
2212	NASDAQ	ATRI	Wed, Dec 1, 1999	11.81	11.81	11.75	11.75
2211	NASDAQ	ATRI	Tue, Nov 30, 1999	11.88	11.88	11.75	11.88
2210	NASDAQ	ATRI	Mon, Nov 29, 1999	11.88	11.88	11.75	11.75
2209	NASDAQ	ATRI	Tue, Nov 23, 1999	11.75	11.75	11.75	11.75
2208	NASDAQ	ATRI	Mon, Nov 22, 1999	11.88	11.88	11.81	11.81
2207	NASDAQ	ATRI	Fri, Nov 19, 1999	11.81	12.00	11.75	11.88
2206	NASDAQ	ATRI	Thu, Nov 18, 1999	11.88	12.00	11.88	11.88
2205	NASDAQ	ATRI	Wed, Nov 17, 1999	11.75	12.25	11.63	11.88
2204	NASDAQ	ATRI	Tue, Nov 16, 1999	10.25	10.25	10.25	10.25
2203	NASDAQ	ATRI	Mon, Nov 15, 1999	9.63	10.25	9.50	10.25
2202	NASDAQ	ATRI	Fri, Nov 12, 1999	9.50	9.63	9.44	9.50
2201	NASDAQ	ATRI	Wed, Nov 10, 1999	9.25	9.25	9.25	9.25
2200	NASDAQ	ATRI	Tue, Nov 9, 1999	9.50	9.75	9.25	9.25
2199	NASDAQ	ATRI	Fri, Nov 5, 1999	9.50	9.75	9.50	9.75
2198	NASDAQ	ATRI	Thu, Nov 4, 1999	9.50	9.50	9.50	9.50
2197	NASDAQ	ATRI	Wed, Nov 3, 1999	9.75	9.75	9.50	9.50
2196	NASDAQ	ATRI	Tue, Nov 2, 1999	9.31	9.75	9.31	9.75
2195	NASDAQ	ATRI	Mon, Nov 1, 1999	9.44	9.44	9.00	9.38
2194	NASDAQ	ATRI	Fri, Oct 29, 1999	9.44	9.44	9.44	9.44
2193	NASDAQ	ATRI	Thu, Oct 28, 1999	9.69	9.75	9.69	9.75
2192	NASDAQ	ATRI	Wed, Oct 27, 1999	9.44	9.44	9.44	9.44
2191	NASDAQ	ATRI	Tue, Oct 26, 1999	9.44	9.50	9.38	9.50
2190	NASDAQ	ATRI	Mon, Oct 25, 1999	9.09	9.38	9.09	9.38
2189	NASDAQ	ATRI	Fri, Oct 22, 1999	9.38	9.38	9.13	9.13
2188	NASDAQ	ATRI	Thu, Oct 21, 1999	9.31	9.31	9.06	9.06
2187	NASDAQ	ATRI	Wed, Oct 20, 1999	9.06	9.06	9.00	9.00
2186	NASDAQ	ATRI	Tue, Oct 19, 1999	9.00	9.00	9.00	9.00
2185	NASDAQ	ATRI	Mon, Oct 18, 1999	9.00	9.00	9.00	9.00
2184	NASDAQ	ATRI	Fri, Oct 15, 1999	9.13	9.13	9.13	9.13
2183	NASDAQ	ATRI	Thu, Oct 14, 1999	9.25	9.25	9.19	9.19
2182	NASDAQ	ATRI	Wed, Oct 13, 1999	8.88	8.94	8.88	8.94
2181	NASDAQ	ATRI	Tue, Oct 12, 1999	9.38	9.38	9.38	9.38
2180	NASDAQ	ATRI	Mon, Oct 11, 1999	9.25	9.38	9.25	9.38
2179	NASDAQ	ATRI	Thu, Oct 7, 1999	9.06	9.25	9.06	9.25
2178	NASDAQ	ATRI	Wed, Oct 6, 1999	9.00	9.19	9.00	9.06
2177	NASDAQ	ATRI	Tue, Oct 5, 1999	9.13	9.13	8.94	9.00
2176	NASDAQ	ATRI	Mon, Oct 4, 1999	8.88	9.00	8.88	9.00
2175	NASDAQ	ATRI	Fri, Oct 1, 1999	8.38	8.75	8.38	8.75
2174	NASDAQ	ATRI	Thu, Sep 30, 1999	8.88	8.88	8.19	8.50
2173	NASDAQ	ATRI	Wed, Sep 29, 1999	8.69	8.69	8.69	8.69
2172	NASDAQ	ATRI	Fri, Sep 24, 1999	8.88	8.88	8.63	8.75
2171	NASDAQ	ATRI	Thu, Sep 23, 1999	9.13	9.13	8.94	8.94
2170	NASDAQ	ATRI	Wed, Sep 22, 1999	9.50	9.50	9.25	9.25
2169	NASDAQ	ATRI	Thu, Sep 16, 1999	9.50	9.88	9.50	9.88
2168	NASDAQ	ATRI	Wed, Sep 15, 1999	9.63	9.63	9.50	9.50
2167	NASDAQ	ATRI	Tue, Sep 14, 1999	9.63	9.75	9.63	9.75
2166	NASDAQ	ATRI	Mon, Sep 13, 1999	9.81	9.81	9.31	9.56
2165	NASDAQ	ATRI	Fri, Sep 10, 1999	9.94	9.94	9.50	9.94
2164	NASDAQ	ATRI	Thu, Sep 9, 1999	9.50	9.56	9.50	9.50
2163	NASDAQ	ATRI	Wed, Sep 8, 1999	9.50	9.50	9.50	9.50
2162	NASDAQ	ATRI	Tue, Sep 7, 1999	9.56	9.56	9.50	9.50
2161	NASDAQ	ATRI	Fri, Sep 3, 1999	9.81	9.81	9.56	9.56
2160	NASDAQ	ATRI	Tue, Aug 31, 1999	9.56	9.56	9.56	9.56
2159	NASDAQ	ATRI	Mon, Aug 30, 1999	9.75	9.75	9.56	9.75
2158	NASDAQ	ATRI	Fri, Aug 27, 1999	9.75	9.75	9.75	9.75
2157	NASDAQ	ATRI	Thu, Aug 26, 1999	9.75	9.75	9.75	9.75
2156	NASDAQ	ATRI	Mon, Aug 23, 1999	9.81	9.88	9.81	9.81
2155	NASDAQ	ATRI	Fri, Aug 20, 1999	9.88	9.88	9.81	9.88
2154	NASDAQ	ATRI	Thu, Aug 19, 1999	9.88	10.00	9.75	10.00
2153	NASDAQ	ATRI	Wed, Aug 18, 1999	10.06	10.25	9.88	9.88
2152	NASDAQ	ATRI	Mon, Aug 16, 1999	10.13	10.13	10.13	10.13
2151	NASDAQ	ATRI	Fri, Aug 13, 1999	10.00	10.06	10.00	10.00
2150	NASDAQ	ATRI	Thu, Aug 12, 1999	10.25	10.25	10.13	10.13
2149	NASDAQ	ATRI	Wed, Aug 11, 1999	10.25	10.25	10.25	10.25
2148	NASDAQ	ATRI	Tue, Aug 10, 1999	10.50	10.50	10.25	10.25
2147	NASDAQ	ATRI	Thu, Aug 5, 1999	11.00	11.00	10.75	10.75
2146	NASDAQ	ATRI	Wed, Aug 4, 1999	10.88	10.88	10.88	10.88
2145	NASDAQ	ATRI	Tue, Aug 3, 1999	10.88	10.88	10.88	10.88
2144	NASDAQ	ATRI	Mon, Aug 2, 1999	10.25	11.13	10.25	11.00
2143	NASDAQ	ATRI	Fri, Jul 30, 1999	10.25	10.38	10.25	10.38
2142	NASDAQ	ATRI	Thu, Jul 29, 1999	10.00	10.00	9.88	9.88
2141	NASDAQ	ATRI	Wed, Jul 28, 1999	9.94	10.00	9.81	9.81
2140	NASDAQ	ATRI	Mon, Jul 26, 1999	9.88	10.00	9.75	10.00
2139	NASDAQ	ATRI	Fri, Jul 23, 1999	9.50	10.25	9.50	10.19
2138	NASDAQ	ATRI	Thu, Jul 22, 1999	9.44	9.44	9.19	9.19
2137	NASDAQ	ATRI	Wed, Jul 21, 1999	9.38	9.38	9.38	9.38
2136	NASDAQ	ATRI	Tue, Jul 20, 1999	9.38	9.38	9.38	9.38
2135	NASDAQ	ATRI	Mon, Jul 19, 1999	9.44	9.44	9.38	9.38
2134	NASDAQ	ATRI	Fri, Jul 16, 1999	9.38	9.38	9.38	9.38
2133	NASDAQ	ATRI	Thu, Jul 15, 1999	9.38	9.38	9.38	9.38
2132	NASDAQ	ATRI	Tue, Jul 13, 1999	9.38	9.38	9.38	9.38
2131	NASDAQ	ATRI	Mon, Jul 12, 1999	9.25	9.47	9.25	9.25
2130	NASDAQ	ATRI	Fri, Jul 9, 1999	9.25	9.25	9.25	9.25
2129	NASDAQ	ATRI	Thu, Jul 8, 1999	9.13	9.50	9.13	9.50
2128	NASDAQ	ATRI	Wed, Jul 7, 1999	9.31	9.31	9.31	9.31
2127	NASDAQ	ATRI	Fri, Jul 2, 1999	9.31	9.31	9.31	9.31
2126	NASDAQ	ATRI	Thu, Jul 1, 1999	9.25	9.25	9.25	9.25
2125	NASDAQ	ATRI	Wed, Jun 30, 1999	9.38	9.44	9.38	9.38
2124	NASDAQ	ATRI	Tue, Jun 29, 1999	9.25	9.25	9.25	9.25
2123	NASDAQ	ATRI	Mon, Jun 28, 1999	9.25	9.38	9.25	9.31
2122	NASDAQ	ATRI	Fri, Jun 25, 1999	9.38	9.38	9.25	9.25
2121	NASDAQ	ATRI	Tue, Jun 22, 1999	9.25	9.31	9.25	9.25
2120	NASDAQ	ATRI	Fri, Jun 18, 1999	9.13	9.50	9.13	9.31
2119	NASDAQ	ATRI	Thu, Jun 17, 1999	9.50	9.50	9.38	9.38
2118	NASDAQ	ATRI	Wed, Jun 16, 1999	9.50	9.50	9.19	9.19
2117	NASDAQ	ATRI	Tue, Jun 15, 1999	9.75	9.75	9.50	9.50
2116	NASDAQ	ATRI	Mon, Jun 14, 1999	9.88	9.88	9.81	9.81
2115	NASDAQ	ATRI	Fri, Jun 11, 1999	9.88	9.88	9.75	9.75
2114	NASDAQ	ATRI	Thu, Jun 10, 1999	9.75	9.75	9.75	9.75
2113	NASDAQ	ATRI	Wed, Jun 9, 1999	9.75	9.75	9.75	9.75
2112	NASDAQ	ATRI	Tue, Jun 8, 1999	10.00	10.00	9.38	9.50
2111	NASDAQ	ATRI	Mon, Jun 7, 1999	10.13	10.13	10.00	10.00
2110	NASDAQ	ATRI	Thu, Jun 3, 1999	10.00	10.19	10.00	10.13
2109	NASDAQ	ATRI	Wed, Jun 2, 1999	9.75	10.63	9.75	10.00
2108	NASDAQ	ATRI	Tue, Jun 1, 1999	9.56	9.56	9.50	9.50
2107	NASDAQ	ATRI	Fri, May 28, 1999	9.75	9.75	9.50	9.50
2106	NASDAQ	ATRI	Thu, May 27, 1999	9.50	9.50	9.50	9.50
2105	NASDAQ	ATRI	Wed, May 26, 1999	9.38	9.88	9.25	9.75
2104	NASDAQ	ATRI	Tue, May 25, 1999	9.25	9.31	9.25	9.31
2103	NASDAQ	ATRI	Mon, May 24, 1999	9.19	9.19	9.19	9.19
2102	NASDAQ	ATRI	Fri, May 21, 1999	9.06	9.19	9.06	9.19
2101	NASDAQ	ATRI	Thu, May 20, 1999	9.06	9.19	9.06	9.06
2100	NASDAQ	ATRI	Wed, May 19, 1999	9.38	9.38	9.06	9.06
2099	NASDAQ	ATRI	Tue, May 18, 1999	9.06	9.44	9.06	9.44
2098	NASDAQ	ATRI	Mon, May 17, 1999	9.00	9.13	9.00	9.06
2097	NASDAQ	ATRI	Fri, May 14, 1999	8.88	9.25	8.88	9.25
2096	NASDAQ	ATRI	Thu, May 13, 1999	8.88	8.88	8.88	8.88
2095	NASDAQ	ATRI	Tue, May 11, 1999	9.31	9.31	8.81	8.81
2094	NASDAQ	ATRI	Thu, May 6, 1999	9.25	9.50	9.25	9.50
2093	NASDAQ	ATRI	Wed, May 5, 1999	9.31	9.31	9.31	9.31
2092	NASDAQ	ATRI	Tue, May 4, 1999	9.44	9.81	9.31	9.31
2091	NASDAQ	ATRI	Mon, May 3, 1999	9.50	9.50	9.38	9.38
2090	NASDAQ	ATRI	Fri, Apr 30, 1999	9.50	9.50	9.50	9.50
2089	NASDAQ	ATRI	Thu, Apr 29, 1999	9.50	9.50	9.50	9.50
2088	NASDAQ	ATRI	Tue, Apr 27, 1999	9.63	9.63	9.38	9.38
2087	NASDAQ	ATRI	Mon, Apr 26, 1999	9.75	9.75	9.75	9.75
2086	NASDAQ	ATRI	Fri, Apr 23, 1999	10.00	10.00	10.00	10.00
2085	NASDAQ	ATRI	Thu, Apr 22, 1999	9.75	9.75	9.75	9.75
2084	NASDAQ	ATRI	Wed, Apr 21, 1999	9.13	9.88	9.13	9.88
2083	NASDAQ	ATRI	Tue, Apr 20, 1999	9.69	9.69	9.25	9.25
2082	NASDAQ	ATRI	Mon, Apr 19, 1999	9.75	9.88	9.75	9.75
2081	NASDAQ	ATRI	Fri, Apr 16, 1999	9.75	9.75	9.75	9.75
2080	NASDAQ	ATRI	Thu, Apr 15, 1999	9.88	9.88	9.75	9.75
2079	NASDAQ	ATRI	Wed, Apr 14, 1999	9.69	9.69	9.69	9.69
2078	NASDAQ	ATRI	Mon, Apr 12, 1999	9.53	9.63	9.53	9.63
2077	NASDAQ	ATRI	Fri, Apr 9, 1999	9.50	9.50	9.50	9.50
2076	NASDAQ	ATRI	Thu, Apr 8, 1999	9.56	9.56	9.50	9.56
2075	NASDAQ	ATRI	Wed, Apr 7, 1999	9.63	9.63	9.50	9.50
2074	NASDAQ	ATRI	Tue, Apr 6, 1999	9.63	9.69	9.63	9.63
2073	NASDAQ	ATRI	Mon, Apr 5, 1999	9.63	9.63	9.50	9.63
2072	NASDAQ	ATRI	Thu, Apr 1, 1999	9.50	9.50	9.50	9.50
2071	NASDAQ	ATRI	Wed, Mar 31, 1999	9.50	9.56	9.38	9.48
2070	NASDAQ	ATRI	Mon, Mar 29, 1999	9.50	9.50	9.50	9.50
2069	NASDAQ	ATRI	Thu, Mar 25, 1999	9.50	9.63	9.50	9.50
2068	NASDAQ	ATRI	Wed, Mar 24, 1999	9.50	9.50	9.50	9.50
2067	NASDAQ	ATRI	Tue, Mar 23, 1999	9.50	9.50	9.44	9.44
2066	NASDAQ	ATRI	Mon, Mar 22, 1999	9.38	9.63	9.38	9.63
2065	NASDAQ	ATRI	Fri, Mar 19, 1999	9.50	9.63	9.38	9.38
2064	NASDAQ	ATRI	Thu, Mar 18, 1999	9.31	9.44	9.31	9.44
2063	NASDAQ	ATRI	Wed, Mar 17, 1999	8.75	9.75	8.13	9.25
2062	NASDAQ	ATRI	Tue, Mar 16, 1999	8.00	8.00	8.00	8.00
2061	NASDAQ	ATRI	Mon, Mar 15, 1999	7.75	7.81	7.75	7.81
2060	NASDAQ	ATRI	Fri, Mar 12, 1999	8.06	8.06	8.00	8.00
2059	NASDAQ	ATRI	Thu, Mar 11, 1999	7.75	8.13	7.75	8.13
2058	NASDAQ	ATRI	Wed, Mar 10, 1999	7.75	7.94	7.75	7.94
2057	NASDAQ	ATRI	Mon, Mar 8, 1999	8.00	8.00	7.75	7.75
2056	NASDAQ	ATRI	Fri, Mar 5, 1999	8.00	8.00	8.00	8.00
2055	NASDAQ	ATRI	Thu, Mar 4, 1999	8.13	8.13	7.75	7.75
2054	NASDAQ	ATRI	Wed, Mar 3, 1999	7.75	8.00	7.75	7.75
2053	NASDAQ	ATRI	Mon, Mar 1, 1999	7.75	7.75	7.75	7.75
2052	NASDAQ	ATRI	Fri, Feb 26, 1999	8.00	8.00	8.00	8.00
2051	NASDAQ	ATRI	Thu, Feb 25, 1999	7.94	8.09	7.94	7.94
2050	NASDAQ	ATRI	Wed, Feb 24, 1999	7.75	7.75	7.75	7.75
2049	NASDAQ	ATRI	Tue, Feb 23, 1999	7.75	7.75	7.75	7.75
2048	NASDAQ	ATRI	Mon, Feb 22, 1999	7.75	7.75	7.75	7.75
2047	NASDAQ	ATRI	Fri, Feb 19, 1999	7.63	7.69	7.63	7.69
2046	NASDAQ	ATRI	Tue, Feb 16, 1999	7.63	7.69	7.63	7.69
2045	NASDAQ	ATRI	Fri, Feb 12, 1999	7.63	7.63	7.63	7.63
2044	NASDAQ	ATRI	Thu, Feb 11, 1999	7.63	7.63	7.63	7.63
2043	NASDAQ	ATRI	Wed, Feb 10, 1999	7.63	7.63	7.63	7.63
2042	NASDAQ	ATRI	Tue, Feb 9, 1999	7.75	7.75	7.75	7.75
2041	NASDAQ	ATRI	Mon, Feb 8, 1999	7.75	7.75	7.63	7.63
2040	NASDAQ	ATRI	Fri, Feb 5, 1999	7.75	7.75	7.75	7.75
2039	NASDAQ	ATRI	Thu, Feb 4, 1999	7.56	7.88	7.56	7.88
2038	NASDAQ	ATRI	Wed, Feb 3, 1999	7.63	7.63	7.63	7.63
2037	NASDAQ	ATRI	Tue, Feb 2, 1999	7.50	7.63	7.50	7.63
2036	NASDAQ	ATRI	Mon, Feb 1, 1999	7.63	7.63	7.63	7.63
2035	NASDAQ	ATRI	Fri, Jan 29, 1999	7.50	7.50	7.50	7.50
2034	NASDAQ	ATRI	Thu, Jan 28, 1999	7.63	7.63	7.63	7.63
2033	NASDAQ	ATRI	Tue, Jan 26, 1999	7.50	7.63	7.25	7.38
2032	NASDAQ	ATRI	Mon, Jan 25, 1999	7.63	7.69	7.63	7.69
2031	NASDAQ	ATRI	Fri, Jan 22, 1999	7.63	7.63	7.50	7.63
2030	NASDAQ	ATRI	Thu, Jan 21, 1999	7.50	7.69	7.50	7.69
2029	NASDAQ	ATRI	Wed, Jan 20, 1999	7.50	7.50	7.50	7.50
2028	NASDAQ	ATRI	Tue, Jan 19, 1999	7.63	7.63	7.50	7.63
2027	NASDAQ	ATRI	Fri, Jan 15, 1999	7.63	7.63	7.63	7.63
2026	NASDAQ	ATRI	Thu, Jan 14, 1999	7.63	7.63	7.63	7.63
2025	NASDAQ	ATRI	Wed, Jan 13, 1999	7.88	7.88	7.88	7.88
2024	NASDAQ	ATRI	Tue, Jan 12, 1999	7.63	7.75	7.63	7.75
2023	NASDAQ	ATRI	Mon, Jan 11, 1999	7.69	7.69	7.69	7.69
2022	NASDAQ	ATRI	Fri, Jan 8, 1999	7.75	7.75	7.69	7.69
2021	NASDAQ	ATRI	Thu, Jan 7, 1999	8.00	8.00	8.00	8.00
2020	NASDAQ	ATRI	Wed, Jan 6, 1999	7.63	7.63	7.63	7.63
2019	NASDAQ	ATRI	Tue, Jan 5, 1999	7.75	7.75	7.75	7.75
2018	NASDAQ	ATRI	Mon, Jan 4, 1999	8.00	8.00	7.81	7.81
2017	NASDAQ	ATRI	Thu, Dec 31, 1998	7.81	8.00	7.81	8.00
2016	NASDAQ	ATRI	Wed, Dec 30, 1998	8.25	8.25	7.50	7.50
2015	NASDAQ	ATRI	Tue, Dec 29, 1998	8.50	8.63	8.38	8.63
2014	NASDAQ	ATRI	Mon, Dec 28, 1998	8.50	8.56	8.50	8.56
2013	NASDAQ	ATRI	Thu, Dec 24, 1998	8.88	8.88	8.50	8.50
2012	NASDAQ	ATRI	Wed, Dec 23, 1998	8.69	8.81	8.56	8.56
2011	NASDAQ	ATRI	Tue, Dec 22, 1998	8.69	8.69	8.69	8.69
2010	NASDAQ	ATRI	Mon, Dec 21, 1998	8.88	8.88	8.88	8.88
2009	NASDAQ	ATRI	Fri, Dec 18, 1998	8.88	8.88	8.88	8.88
2008	NASDAQ	ATRI	Thu, Dec 17, 1998	9.13	9.13	8.88	8.88
2007	NASDAQ	ATRI	Wed, Dec 16, 1998	8.88	9.00	8.88	9.00
2006	NASDAQ	ATRI	Tue, Dec 15, 1998	8.75	8.75	8.75	8.75
2005	NASDAQ	ATRI	Mon, Dec 14, 1998	8.75	8.75	8.69	8.69
2004	NASDAQ	ATRI	Fri, Dec 11, 1998	8.63	8.75	8.63	8.75
2003	NASDAQ	ATRI	Thu, Dec 10, 1998	8.63	8.69	8.63	8.69
2002	NASDAQ	ATRI	Wed, Dec 9, 1998	8.63	8.69	8.63	8.69
2001	NASDAQ	ATRI	Tue, Dec 8, 1998	8.63	8.75	8.63	8.75
2000	NASDAQ	ATRI	Mon, Dec 7, 1998	8.63	8.69	8.63	8.63
1999	NASDAQ	ATRI	Fri, Dec 4, 1998	8.56	8.75	8.56	8.75
1998	NASDAQ	ATRI	Thu, Dec 3, 1998	8.50	8.50	8.50	8.50
1997	NASDAQ	ATRI	Wed, Dec 2, 1998	8.50	8.50	8.50	8.50
1996	NASDAQ	ATRI	Tue, Dec 1, 1998	8.50	8.63	8.50	8.50
1995	NASDAQ	ATRI	Mon, Nov 30, 1998	8.50	8.63	8.50	8.63
1994	NASDAQ	ATRI	Fri, Nov 27, 1998	8.44	8.44	8.38	8.38
1993	NASDAQ	ATRI	Wed, Nov 25, 1998	8.50	8.63	8.44	8.44
1992	NASDAQ	ATRI	Tue, Nov 24, 1998	8.50	8.50	8.38	8.44
1991	NASDAQ	ATRI	Mon, Nov 23, 1998	8.50	8.63	8.50	8.63
1990	NASDAQ	ATRI	Fri, Nov 20, 1998	8.50	8.63	8.50	8.63
1989	NASDAQ	ATRI	Thu, Nov 19, 1998	8.63	8.75	8.50	8.50
1988	NASDAQ	ATRI	Wed, Nov 18, 1998	8.25	8.50	8.25	8.50
1987	NASDAQ	ATRI	Tue, Nov 17, 1998	8.25	8.31	8.25	8.25
1986	NASDAQ	ATRI	Mon, Nov 16, 1998	7.75	8.50	7.75	8.31
1985	NASDAQ	ATRI	Thu, Nov 12, 1998	6.88	6.88	6.88	6.88
1984	NASDAQ	ATRI	Wed, Nov 11, 1998	7.25	7.50	6.63	6.75
1983	NASDAQ	ATRI	Tue, Nov 10, 1998	7.09	7.25	7.09	7.19
1982	NASDAQ	ATRI	Mon, Nov 9, 1998	7.00	7.13	6.88	7.00
1981	NASDAQ	ATRI	Fri, Nov 6, 1998	7.25	7.25	7.00	7.00
1980	NASDAQ	ATRI	Thu, Nov 5, 1998	7.63	7.63	7.00	7.25
1979	NASDAQ	ATRI	Tue, Nov 3, 1998	7.75	7.81	7.63	7.63
1978	NASDAQ	ATRI	Mon, Nov 2, 1998	8.00	8.25	7.75	7.75
1977	NASDAQ	ATRI	Fri, Oct 30, 1998	7.38	7.75	7.38	7.69
1976	NASDAQ	ATRI	Thu, Oct 29, 1998	6.88	7.38	6.88	7.38
1975	NASDAQ	ATRI	Wed, Oct 28, 1998	6.88	7.06	6.88	6.88
1974	NASDAQ	ATRI	Tue, Oct 27, 1998	7.38	7.38	6.75	6.75
1973	NASDAQ	ATRI	Mon, Oct 26, 1998	7.13	7.38	7.13	7.38
1972	NASDAQ	ATRI	Fri, Oct 23, 1998	7.25	7.25	6.94	7.00
1971	NASDAQ	ATRI	Thu, Oct 22, 1998	7.31	7.31	7.28	7.28
1970	NASDAQ	ATRI	Wed, Oct 21, 1998	7.13	7.38	7.13	7.38
1969	NASDAQ	ATRI	Tue, Oct 20, 1998	7.25	7.50	7.25	7.41
1968	NASDAQ	ATRI	Mon, Oct 19, 1998	7.25	7.25	7.13	7.13
1967	NASDAQ	ATRI	Fri, Oct 16, 1998	7.38	7.38	7.25	7.25
1966	NASDAQ	ATRI	Thu, Oct 15, 1998	6.63	7.75	6.63	7.75
1965	NASDAQ	ATRI	Wed, Oct 14, 1998	6.50	6.63	6.38	6.38
1964	NASDAQ	ATRI	Tue, Oct 13, 1998	6.38	6.38	6.25	6.25
1963	NASDAQ	ATRI	Mon, Oct 12, 1998	6.50	6.50	6.38	6.38
1962	NASDAQ	ATRI	Fri, Oct 9, 1998	6.25	6.38	6.00	6.25
1961	NASDAQ	ATRI	Thu, Oct 8, 1998	6.38	6.38	6.00	6.25
1960	NASDAQ	ATRI	Wed, Oct 7, 1998	7.50	7.50	6.50	6.50
1959	NASDAQ	ATRI	Tue, Oct 6, 1998	7.75	7.88	7.69	7.75
1958	NASDAQ	ATRI	Fri, Oct 2, 1998	7.75	7.81	7.75	7.81
1957	NASDAQ	ATRI	Wed, Sep 30, 1998	7.75	7.81	7.63	7.81
1956	NASDAQ	ATRI	Tue, Sep 29, 1998	7.81	7.81	7.63	7.75
1955	NASDAQ	ATRI	Mon, Sep 28, 1998	7.88	7.88	7.75	7.81
1954	NASDAQ	ATRI	Fri, Sep 25, 1998	7.75	7.81	7.75	7.81
1953	NASDAQ	ATRI	Thu, Sep 24, 1998	7.88	7.88	7.75	7.88
1952	NASDAQ	ATRI	Wed, Sep 23, 1998	7.75	7.75	7.75	7.75
1951	NASDAQ	ATRI	Tue, Sep 22, 1998	7.81	7.81	7.75	7.75
1950	NASDAQ	ATRI	Mon, Sep 21, 1998	7.75	7.88	7.75	7.75
1949	NASDAQ	ATRI	Fri, Sep 18, 1998	7.81	7.94	7.81	7.94
1948	NASDAQ	ATRI	Thu, Sep 17, 1998	7.63	7.63	7.63	7.63
1947	NASDAQ	ATRI	Wed, Sep 16, 1998	7.94	8.00	7.75	7.88
1946	NASDAQ	ATRI	Tue, Sep 15, 1998	8.06	8.06	7.75	7.88
1945	NASDAQ	ATRI	Mon, Sep 14, 1998	8.19	8.19	8.00	8.13
1944	NASDAQ	ATRI	Fri, Sep 11, 1998	8.00	8.13	8.00	8.13
1943	NASDAQ	ATRI	Thu, Sep 10, 1998	8.00	8.19	7.94	8.19
1942	NASDAQ	ATRI	Wed, Sep 9, 1998	8.25	8.25	8.25	8.25
1941	NASDAQ	ATRI	Tue, Sep 8, 1998	8.25	8.25	8.25	8.25
1940	NASDAQ	ATRI	Fri, Sep 4, 1998	8.38	8.38	8.38	8.38
1939	NASDAQ	ATRI	Wed, Sep 2, 1998	8.25	8.50	8.25	8.50
1938	NASDAQ	ATRI	Tue, Sep 1, 1998	8.31	8.38	8.13	8.38
1937	NASDAQ	ATRI	Mon, Aug 31, 1998	8.25	8.38	8.25	8.25
1936	NASDAQ	ATRI	Fri, Aug 28, 1998	8.38	8.38	8.38	8.38
1935	NASDAQ	ATRI	Thu, Aug 27, 1998	9.13	9.13	8.00	8.00
1934	NASDAQ	ATRI	Wed, Aug 26, 1998	9.06	9.06	9.06	9.06
1933	NASDAQ	ATRI	Tue, Aug 25, 1998	9.13	9.13	9.13	9.13
1932	NASDAQ	ATRI	Mon, Aug 24, 1998	9.19	9.19	9.13	9.13
1931	NASDAQ	ATRI	Fri, Aug 21, 1998	9.19	9.19	9.19	9.19
1930	NASDAQ	ATRI	Thu, Aug 20, 1998	9.19	9.19	9.06	9.06
1929	NASDAQ	ATRI	Wed, Aug 19, 1998	9.06	9.13	9.06	9.13
1928	NASDAQ	ATRI	Tue, Aug 18, 1998	9.06	9.06	9.06	9.06
1927	NASDAQ	ATRI	Mon, Aug 17, 1998	9.06	9.06	9.06	9.06
1926	NASDAQ	ATRI	Thu, Aug 13, 1998	9.13	9.19	9.13	9.13
1925	NASDAQ	ATRI	Wed, Aug 12, 1998	9.19	9.19	9.19	9.19
1924	NASDAQ	ATRI	Tue, Aug 11, 1998	9.00	9.13	9.00	9.13
1923	NASDAQ	ATRI	Mon, Aug 10, 1998	9.00	9.13	9.00	9.00
1922	NASDAQ	ATRI	Fri, Aug 7, 1998	9.00	9.00	9.00	9.00
1921	NASDAQ	ATRI	Thu, Aug 6, 1998	8.75	9.19	8.75	9.19
1920	NASDAQ	ATRI	Wed, Aug 5, 1998	8.75	8.75	8.75	8.75
1919	NASDAQ	ATRI	Tue, Aug 4, 1998	8.75	8.75	8.69	8.69
1918	NASDAQ	ATRI	Mon, Aug 3, 1998	9.00	9.00	8.88	8.88
1917	NASDAQ	ATRI	Fri, Jul 31, 1998	9.13	9.13	8.75	8.75
1916	NASDAQ	ATRI	Thu, Jul 30, 1998	9.19	9.19	8.94	9.13
1915	NASDAQ	ATRI	Wed, Jul 29, 1998	8.88	8.88	8.63	8.63
1914	NASDAQ	ATRI	Tue, Jul 28, 1998	8.88	8.88	8.69	8.69
1913	NASDAQ	ATRI	Mon, Jul 27, 1998	9.00	9.00	9.00	9.00
1912	NASDAQ	ATRI	Fri, Jul 24, 1998	9.06	9.06	9.06	9.06
1911	NASDAQ	ATRI	Thu, Jul 23, 1998	9.13	9.13	9.13	9.13
1910	NASDAQ	ATRI	Wed, Jul 22, 1998	9.06	9.13	9.06	9.06
1909	NASDAQ	ATRI	Tue, Jul 21, 1998	9.25	9.25	9.00	9.00
1908	NASDAQ	ATRI	Mon, Jul 20, 1998	9.13	9.13	9.13	9.13
1907	NASDAQ	ATRI	Fri, Jul 17, 1998	9.00	9.13	9.00	9.13
1906	NASDAQ	ATRI	Wed, Jul 15, 1998	9.06	9.06	9.06	9.06
1905	NASDAQ	ATRI	Tue, Jul 14, 1998	9.13	9.13	9.13	9.13
1904	NASDAQ	ATRI	Mon, Jul 13, 1998	9.00	9.06	8.94	9.06
1903	NASDAQ	ATRI	Fri, Jul 10, 1998	9.00	9.00	9.00	9.00
1902	NASDAQ	ATRI	Thu, Jul 9, 1998	9.38	9.38	9.38	9.38
1901	NASDAQ	ATRI	Wed, Jul 8, 1998	8.88	9.44	8.88	9.44
1900	NASDAQ	ATRI	Tue, Jul 7, 1998	8.88	8.88	8.88	8.88
1899	NASDAQ	ATRI	Mon, Jul 6, 1998	9.00	9.00	8.88	8.88
1898	NASDAQ	ATRI	Thu, Jul 2, 1998	8.88	9.00	8.88	9.00
1897	NASDAQ	ATRI	Wed, Jul 1, 1998	9.00	9.06	8.94	9.00
1896	NASDAQ	ATRI	Tue, Jun 30, 1998	9.06	9.06	8.88	8.88
1895	NASDAQ	ATRI	Mon, Jun 29, 1998	9.06	9.06	8.88	8.88
1894	NASDAQ	ATRI	Fri, Jun 26, 1998	9.06	9.06	8.88	8.88
1893	NASDAQ	ATRI	Thu, Jun 25, 1998	8.88	9.00	8.75	8.81
1892	NASDAQ	ATRI	Wed, Jun 24, 1998	8.88	9.00	8.88	9.00
1891	NASDAQ	ATRI	Tue, Jun 23, 1998	9.13	9.13	9.00	9.00
1890	NASDAQ	ATRI	Mon, Jun 22, 1998	9.00	9.06	8.88	9.06
1889	NASDAQ	ATRI	Fri, Jun 19, 1998	9.13	9.13	9.13	9.13
1888	NASDAQ	ATRI	Thu, Jun 18, 1998	9.13	9.25	9.13	9.25
1887	NASDAQ	ATRI	Wed, Jun 17, 1998	9.13	9.13	9.00	9.13
1886	NASDAQ	ATRI	Tue, Jun 16, 1998	8.75	9.13	8.75	8.88
1885	NASDAQ	ATRI	Mon, Jun 15, 1998	9.00	9.00	8.75	9.00
1884	NASDAQ	ATRI	Fri, Jun 12, 1998	9.50	9.50	9.25	9.25
1883	NASDAQ	ATRI	Thu, Jun 11, 1998	9.75	9.75	9.25	9.25
1882	NASDAQ	ATRI	Wed, Jun 10, 1998	9.88	9.88	9.88	9.88
1881	NASDAQ	ATRI	Tue, Jun 9, 1998	9.75	9.88	9.75	9.88
1880	NASDAQ	ATRI	Mon, Jun 8, 1998	9.88	9.88	9.75	9.75
1879	NASDAQ	ATRI	Fri, Jun 5, 1998	9.75	9.75	9.75	9.75
1878	NASDAQ	ATRI	Thu, Jun 4, 1998	9.88	9.88	9.75	9.88
1877	NASDAQ	ATRI	Wed, Jun 3, 1998	9.88	10.00	9.88	9.88
1876	NASDAQ	ATRI	Tue, Jun 2, 1998	9.88	10.00	9.88	9.88
1875	NASDAQ	ATRI	Mon, Jun 1, 1998	10.25	10.25	9.88	10.13
1874	NASDAQ	ATRI	Fri, May 29, 1998	10.00	10.13	10.00	10.00
1873	NASDAQ	ATRI	Thu, May 28, 1998	10.25	10.25	9.88	10.13
1872	NASDAQ	ATRI	Wed, May 27, 1998	10.25	10.25	10.00	10.25
1871	NASDAQ	ATRI	Tue, May 26, 1998	10.13	10.13	10.06	10.06
1870	NASDAQ	ATRI	Fri, May 22, 1998	10.38	10.50	10.25	10.38
1869	NASDAQ	ATRI	Thu, May 21, 1998	10.50	10.50	10.13	10.13
1868	NASDAQ	ATRI	Wed, May 20, 1998	10.75	10.75	10.13	10.13
1867	NASDAQ	ATRI	Tue, May 19, 1998	11.13	11.13	10.25	10.25
1866	NASDAQ	ATRI	Mon, May 18, 1998	11.50	11.50	10.88	11.06
1865	NASDAQ	ATRI	Fri, May 15, 1998	11.25	11.25	11.25	11.25
1864	NASDAQ	ATRI	Wed, May 13, 1998	11.56	11.56	11.25	11.44
1863	NASDAQ	ATRI	Tue, May 12, 1998	11.38	11.75	11.25	11.25
1862	NASDAQ	ATRI	Mon, May 11, 1998	11.25	11.38	11.13	11.38
1861	NASDAQ	ATRI	Fri, May 8, 1998	11.13	11.19	11.06	11.19
1860	NASDAQ	ATRI	Thu, May 7, 1998	10.88	11.19	10.88	11.13
1859	NASDAQ	ATRI	Wed, May 6, 1998	11.00	11.00	10.94	11.00
1858	NASDAQ	ATRI	Tue, May 5, 1998	10.88	11.00	10.88	10.88
1857	NASDAQ	ATRI	Mon, May 4, 1998	10.88	10.88	10.81	10.88
1856	NASDAQ	ATRI	Fri, May 1, 1998	10.75	10.88	10.38	10.88
1855	NASDAQ	ATRI	Thu, Apr 30, 1998	10.94	10.94	10.75	10.75
1854	NASDAQ	ATRI	Wed, Apr 29, 1998	11.00	11.00	10.88	10.88
1853	NASDAQ	ATRI	Tue, Apr 28, 1998	11.13	11.13	10.75	10.75
1852	NASDAQ	ATRI	Mon, Apr 27, 1998	11.00	11.00	10.88	11.00
1851	NASDAQ	ATRI	Fri, Apr 24, 1998	11.00	11.13	10.88	11.13
1850	NASDAQ	ATRI	Thu, Apr 23, 1998	11.13	11.13	11.13	11.13
1849	NASDAQ	ATRI	Wed, Apr 22, 1998	11.00	11.06	11.00	11.00
1848	NASDAQ	ATRI	Tue, Apr 21, 1998	11.13	11.13	11.00	11.00
1847	NASDAQ	ATRI	Mon, Apr 20, 1998	10.63	11.13	10.63	10.88
1846	NASDAQ	ATRI	Fri, Apr 17, 1998	10.63	11.00	10.63	11.00
1845	NASDAQ	ATRI	Thu, Apr 16, 1998	10.50	11.00	10.50	10.75
1844	NASDAQ	ATRI	Wed, Apr 15, 1998	9.63	10.50	9.25	10.38
1843	NASDAQ	ATRI	Tue, Apr 14, 1998	10.50	10.50	10.00	10.06
1842	NASDAQ	ATRI	Mon, Apr 13, 1998	10.63	10.75	10.50	10.50
1841	NASDAQ	ATRI	Thu, Apr 9, 1998	10.75	10.88	10.63	10.88
1840	NASDAQ	ATRI	Wed, Apr 8, 1998	10.75	10.88	10.69	10.88
1839	NASDAQ	ATRI	Tue, Apr 7, 1998	11.00	11.25	10.75	10.75
1838	NASDAQ	ATRI	Mon, Apr 6, 1998	11.06	11.13	11.00	11.00
1837	NASDAQ	ATRI	Fri, Apr 3, 1998	11.13	11.13	11.06	11.06
1836	NASDAQ	ATRI	Thu, Apr 2, 1998	11.25	11.38	11.13	11.13
1835	NASDAQ	ATRI	Wed, Apr 1, 1998	11.25	11.25	11.06	11.06
1834	NASDAQ	ATRI	Tue, Mar 31, 1998	10.88	11.25	10.88	11.25
1833	NASDAQ	ATRI	Mon, Mar 30, 1998	10.88	11.00	10.88	11.00
1832	NASDAQ	ATRI	Fri, Mar 27, 1998	10.88	11.13	10.88	11.13
1831	NASDAQ	ATRI	Thu, Mar 26, 1998	11.25	11.25	10.88	10.88
1830	NASDAQ	ATRI	Wed, Mar 25, 1998	11.00	11.13	10.88	11.00
1829	NASDAQ	ATRI	Tue, Mar 24, 1998	11.25	11.63	10.88	10.88
1828	NASDAQ	ATRI	Mon, Mar 23, 1998	11.63	11.63	11.25	11.25
1827	NASDAQ	ATRI	Fri, Mar 20, 1998	11.50	11.50	11.38	11.38
1826	NASDAQ	ATRI	Thu, Mar 19, 1998	11.63	11.63	11.63	11.63
1825	NASDAQ	ATRI	Wed, Mar 18, 1998	11.38	11.56	11.38	11.38
1824	NASDAQ	ATRI	Tue, Mar 17, 1998	11.50	11.63	11.38	11.50
1823	NASDAQ	ATRI	Mon, Mar 16, 1998	11.63	11.63	11.50	11.50
1822	NASDAQ	ATRI	Fri, Mar 13, 1998	11.50	11.56	11.50	11.56
1821	NASDAQ	ATRI	Thu, Mar 12, 1998	11.63	11.63	11.50	11.50
1820	NASDAQ	ATRI	Wed, Mar 11, 1998	11.63	11.63	11.56	11.56
1819	NASDAQ	ATRI	Tue, Mar 10, 1998	11.63	11.63	11.63	11.63
1818	NASDAQ	ATRI	Mon, Mar 9, 1998	11.56	11.63	11.56	11.56
1817	NASDAQ	ATRI	Fri, Mar 6, 1998	11.63	11.63	11.56	11.56
1816	NASDAQ	ATRI	Thu, Mar 5, 1998	11.69	11.69	11.56	11.56
1815	NASDAQ	ATRI	Wed, Mar 4, 1998	11.75	11.75	11.56	11.56
1814	NASDAQ	ATRI	Tue, Mar 3, 1998	11.56	11.75	11.56	11.75
1813	NASDAQ	ATRI	Mon, Mar 2, 1998	11.56	11.75	11.56	11.56
1812	NASDAQ	ATRI	Fri, Feb 27, 1998	11.75	11.75	11.56	11.63
1811	NASDAQ	ATRI	Thu, Feb 26, 1998	11.56	11.75	11.56	11.56
1810	NASDAQ	ATRI	Wed, Feb 25, 1998	11.75	11.75	11.75	11.75
1809	NASDAQ	ATRI	Tue, Feb 24, 1998	11.75	11.88	11.75	11.75
1808	NASDAQ	ATRI	Mon, Feb 23, 1998	11.75	11.75	11.75	11.75
1807	NASDAQ	ATRI	Fri, Feb 20, 1998	11.75	11.88	11.75	11.75
1806	NASDAQ	ATRI	Thu, Feb 19, 1998	11.75	12.00	11.75	11.88
1805	NASDAQ	ATRI	Wed, Feb 18, 1998	11.88	12.13	11.88	12.00
1804	NASDAQ	ATRI	Tue, Feb 17, 1998	12.00	12.13	11.88	11.88
1803	NASDAQ	ATRI	Fri, Feb 13, 1998	12.00	12.13	12.00	12.00
1802	NASDAQ	ATRI	Thu, Feb 12, 1998	12.25	12.25	12.00	12.06
1801	NASDAQ	ATRI	Wed, Feb 11, 1998	12.38	12.38	12.00	12.13
1800	NASDAQ	ATRI	Tue, Feb 10, 1998	12.50	12.50	12.00	12.13
1799	NASDAQ	ATRI	Mon, Feb 9, 1998	12.00	12.25	12.00	12.00
1798	NASDAQ	ATRI	Fri, Feb 6, 1998	12.00	12.00	11.88	11.94
1797	NASDAQ	ATRI	Thu, Feb 5, 1998	11.38	11.88	11.38	11.50
1796	NASDAQ	ATRI	Wed, Feb 4, 1998	12.13	12.13	11.25	11.63
1795	NASDAQ	ATRI	Tue, Feb 3, 1998	12.00	12.13	12.00	12.13
1794	NASDAQ	ATRI	Mon, Feb 2, 1998	12.50	13.50	12.25	12.25
1793	NASDAQ	ATRI	Fri, Jan 30, 1998	12.75	13.25	12.38	13.25
1792	NASDAQ	ATRI	Thu, Jan 29, 1998	12.38	12.75	12.00	12.25
1791	NASDAQ	ATRI	Wed, Jan 28, 1998	12.00	12.25	12.00	12.00
1790	NASDAQ	ATRI	Tue, Jan 27, 1998	12.25	12.25	12.25	12.25
1789	NASDAQ	ATRI	Mon, Jan 26, 1998	12.25	12.25	12.25	12.25
1788	NASDAQ	ATRI	Fri, Jan 23, 1998	12.88	12.88	12.88	12.88
1787	NASDAQ	ATRI	Wed, Jan 21, 1998	12.25	13.00	12.25	13.00
1786	NASDAQ	ATRI	Tue, Jan 20, 1998	12.00	12.19	12.00	12.19
1785	NASDAQ	ATRI	Fri, Jan 16, 1998	12.13	12.13	11.75	11.88
1784	NASDAQ	ATRI	Thu, Jan 15, 1998	12.00	12.56	11.75	11.88
1783	NASDAQ	ATRI	Wed, Jan 14, 1998	12.25	12.25	11.75	11.75
1782	NASDAQ	ATRI	Tue, Jan 13, 1998	12.56	12.56	12.56	12.56
1781	NASDAQ	ATRI	Mon, Jan 12, 1998	12.75	12.75	12.31	12.31
1780	NASDAQ	ATRI	Fri, Jan 9, 1998	12.00	12.75	12.00	12.31
1779	NASDAQ	ATRI	Thu, Jan 8, 1998	12.50	13.50	12.31	12.31
1778	NASDAQ	ATRI	Wed, Jan 7, 1998	13.75	13.81	13.50	13.50
1777	NASDAQ	ATRI	Tue, Jan 6, 1998	14.13	14.13	13.75	13.75
1776	NASDAQ	ATRI	Mon, Jan 5, 1998	13.75	13.75	13.75	13.75
1775	NASDAQ	ATRI	Fri, Jan 2, 1998	13.75	13.75	13.75	13.75
1774	NASDAQ	ATRI	Wed, Dec 31, 1997	13.88	14.13	13.88	13.88
1773	NASDAQ	ATRI	Tue, Dec 30, 1997	14.13	14.50	14.00	14.13
1772	NASDAQ	ATRI	Mon, Dec 29, 1997	13.88	13.88	13.88	13.88
1771	NASDAQ	ATRI	Fri, Dec 26, 1997	13.88	14.00	13.88	14.00
1770	NASDAQ	ATRI	Wed, Dec 24, 1997	13.75	14.00	13.75	14.00
1769	NASDAQ	ATRI	Tue, Dec 23, 1997	14.00	14.00	13.75	13.75
1768	NASDAQ	ATRI	Mon, Dec 22, 1997	14.00	14.25	14.00	14.06
1767	NASDAQ	ATRI	Fri, Dec 19, 1997	14.50	14.50	14.00	14.00
1766	NASDAQ	ATRI	Thu, Dec 18, 1997	14.63	14.63	14.63	14.63
1765	NASDAQ	ATRI	Wed, Dec 17, 1997	14.75	14.75	14.75	14.75
1764	NASDAQ	ATRI	Tue, Dec 16, 1997	14.63	14.75	14.63	14.63
1763	NASDAQ	ATRI	Mon, Dec 15, 1997	14.75	14.75	14.63	14.63
1762	NASDAQ	ATRI	Fri, Dec 12, 1997	14.63	14.63	14.63	14.63
1761	NASDAQ	ATRI	Thu, Dec 11, 1997	14.50	14.63	14.50	14.63
1760	NASDAQ	ATRI	Wed, Dec 10, 1997	14.63	14.63	14.63	14.63
1759	NASDAQ	ATRI	Tue, Dec 9, 1997	14.75	14.75	14.63	14.63
1758	NASDAQ	ATRI	Mon, Dec 8, 1997	14.75	14.75	14.63	14.75
1757	NASDAQ	ATRI	Fri, Dec 5, 1997	14.63	14.63	14.63	14.63
1756	NASDAQ	ATRI	Thu, Dec 4, 1997	14.75	14.75	14.63	14.75
1755	NASDAQ	ATRI	Wed, Dec 3, 1997	14.75	14.75	14.63	14.63
1754	NASDAQ	ATRI	Tue, Dec 2, 1997	14.63	14.69	14.63	14.69
1753	NASDAQ	ATRI	Mon, Dec 1, 1997	14.63	14.63	14.63	14.63
1752	NASDAQ	ATRI	Fri, Nov 28, 1997	14.75	14.75	14.63	14.75
1751	NASDAQ	ATRI	Wed, Nov 26, 1997	14.75	14.75	14.63	14.75
1750	NASDAQ	ATRI	Tue, Nov 25, 1997	14.38	14.75	14.38	14.59
1749	NASDAQ	ATRI	Mon, Nov 24, 1997	14.63	14.63	14.44	14.44
1748	NASDAQ	ATRI	Fri, Nov 21, 1997	14.63	14.88	14.63	14.75
1747	NASDAQ	ATRI	Thu, Nov 20, 1997	14.63	14.75	14.63	14.63
1746	NASDAQ	ATRI	Wed, Nov 19, 1997	14.63	15.00	14.63	14.63
1745	NASDAQ	ATRI	Tue, Nov 18, 1997	14.88	14.88	14.50	14.63
1744	NASDAQ	ATRI	Mon, Nov 17, 1997	14.50	14.63	14.50	14.63
1743	NASDAQ	ATRI	Fri, Nov 14, 1997	14.13	14.13	14.13	14.13
1742	NASDAQ	ATRI	Thu, Nov 13, 1997	14.13	14.13	14.13	14.13
1741	NASDAQ	ATRI	Wed, Nov 12, 1997	14.38	14.75	14.13	14.13
1740	NASDAQ	ATRI	Tue, Nov 11, 1997	15.00	15.00	14.50	14.75
1739	NASDAQ	ATRI	Mon, Nov 10, 1997	14.75	15.13	14.75	14.88
1738	NASDAQ	ATRI	Fri, Nov 7, 1997	14.88	15.00	14.75	14.75
1737	NASDAQ	ATRI	Thu, Nov 6, 1997	14.94	15.25	14.88	15.00
1736	NASDAQ	ATRI	Wed, Nov 5, 1997	14.88	15.13	14.88	15.00
1735	NASDAQ	ATRI	Tue, Nov 4, 1997	15.00	15.31	14.88	15.00
1734	NASDAQ	ATRI	Mon, Nov 3, 1997	14.88	15.00	14.38	14.75
1733	NASDAQ	ATRI	Fri, Oct 31, 1997	15.00	15.13	14.63	14.75
1732	NASDAQ	ATRI	Thu, Oct 30, 1997	14.75	15.25	14.38	15.00
1731	NASDAQ	ATRI	Wed, Oct 29, 1997	14.38	15.00	14.00	14.88
1730	NASDAQ	ATRI	Tue, Oct 28, 1997	13.00	14.00	13.00	14.00
1729	NASDAQ	ATRI	Mon, Oct 27, 1997	14.00	14.38	13.50	13.50
1728	NASDAQ	ATRI	Fri, Oct 24, 1997	14.38	14.38	14.31	14.31
1727	NASDAQ	ATRI	Thu, Oct 23, 1997	13.88	14.25	13.88	14.25
1726	NASDAQ	ATRI	Wed, Oct 22, 1997	14.13	14.63	14.13	14.13
1725	NASDAQ	ATRI	Tue, Oct 21, 1997	14.38	14.38	14.38	14.38
1724	NASDAQ	ATRI	Mon, Oct 20, 1997	14.38	14.38	14.00	14.00
1723	NASDAQ	ATRI	Fri, Oct 17, 1997	14.13	14.31	14.13	14.31
1722	NASDAQ	ATRI	Thu, Oct 16, 1997	14.50	14.50	14.25	14.25
1721	NASDAQ	ATRI	Wed, Oct 15, 1997	14.13	14.50	14.13	14.50
1720	NASDAQ	ATRI	Tue, Oct 14, 1997	14.50	14.50	14.38	14.50
1719	NASDAQ	ATRI	Mon, Oct 13, 1997	15.13	15.13	14.63	14.63
1718	NASDAQ	ATRI	Fri, Oct 10, 1997	14.75	15.13	14.75	15.00
1717	NASDAQ	ATRI	Thu, Oct 9, 1997	14.88	14.88	14.63	14.88
1716	NASDAQ	ATRI	Wed, Oct 8, 1997	14.69	14.88	14.63	14.88
1715	NASDAQ	ATRI	Tue, Oct 7, 1997	14.50	14.81	14.50	14.75
1714	NASDAQ	ATRI	Mon, Oct 6, 1997	14.63	14.63	14.38	14.44
1713	NASDAQ	ATRI	Fri, Oct 3, 1997	14.44	14.63	14.38	14.50
1712	NASDAQ	ATRI	Thu, Oct 2, 1997	14.31	14.31	14.00	14.31
1711	NASDAQ	ATRI	Wed, Oct 1, 1997	14.13	14.13	14.00	14.00
1710	NASDAQ	ATRI	Tue, Sep 30, 1997	14.19	14.38	13.63	13.75
1709	NASDAQ	ATRI	Mon, Sep 29, 1997	14.50	14.50	14.19	14.19
1708	NASDAQ	ATRI	Fri, Sep 26, 1997	14.50	14.50	14.25	14.25
1707	NASDAQ	ATRI	Thu, Sep 25, 1997	14.69	14.69	14.25	14.25
1706	NASDAQ	ATRI	Wed, Sep 24, 1997	14.13	14.50	14.13	14.31
1705	NASDAQ	ATRI	Tue, Sep 23, 1997	14.25	14.69	14.13	14.13
1704	NASDAQ	ATRI	Mon, Sep 22, 1997	14.38	14.88	14.25	14.25
1703	NASDAQ	ATRI	Fri, Sep 19, 1997	15.00	15.00	14.50	14.50
1702	NASDAQ	ATRI	Thu, Sep 18, 1997	14.50	15.00	14.25	14.50
1701	NASDAQ	ATRI	Wed, Sep 17, 1997	14.63	14.75	14.38	14.63
1700	NASDAQ	ATRI	Tue, Sep 16, 1997	14.63	14.88	14.50	14.63
1699	NASDAQ	ATRI	Mon, Sep 15, 1997	14.75	15.50	14.50	14.50
1698	NASDAQ	ATRI	Fri, Sep 12, 1997	15.00	15.00	14.38	14.75
1697	NASDAQ	ATRI	Thu, Sep 11, 1997	14.75	15.50	14.38	14.81
1696	NASDAQ	ATRI	Wed, Sep 10, 1997	14.00	14.75	14.00	14.75
1695	NASDAQ	ATRI	Tue, Sep 9, 1997	14.25	15.13	13.75	14.13
1694	NASDAQ	ATRI	Mon, Sep 8, 1997	13.63	14.38	13.50	13.75
1693	NASDAQ	ATRI	Fri, Sep 5, 1997	13.50	13.88	13.38	13.38
1692	NASDAQ	ATRI	Thu, Sep 4, 1997	13.50	14.13	13.38	13.88
1691	NASDAQ	ATRI	Wed, Sep 3, 1997	13.88	13.88	13.25	13.50
1690	NASDAQ	ATRI	Tue, Sep 2, 1997	13.75	14.13	13.75	13.88
1689	NASDAQ	ATRI	Fri, Aug 29, 1997	14.13	14.13	13.63	13.63
1688	NASDAQ	ATRI	Thu, Aug 28, 1997	14.38	14.38	13.88	14.13
1687	NASDAQ	ATRI	Wed, Aug 27, 1997	14.38	14.50	14.13	14.31
1686	NASDAQ	ATRI	Tue, Aug 26, 1997	14.13	14.38	14.13	14.25
1685	NASDAQ	ATRI	Mon, Aug 25, 1997	14.00	14.63	14.00	14.50
1684	NASDAQ	ATRI	Fri, Aug 22, 1997	14.75	15.13	14.00	14.00
1683	NASDAQ	ATRI	Thu, Aug 21, 1997	15.50	15.50	15.00	15.13
1682	NASDAQ	ATRI	Wed, Aug 20, 1997	14.75	15.50	14.75	15.50
1681	NASDAQ	ATRI	Tue, Aug 19, 1997	14.75	15.50	14.75	15.50
1680	NASDAQ	ATRI	Mon, Aug 18, 1997	14.75	15.00	14.75	14.75
1679	NASDAQ	ATRI	Fri, Aug 15, 1997	15.00	15.25	14.75	14.75
1678	NASDAQ	ATRI	Thu, Aug 14, 1997	15.38	15.38	15.00	15.00
1677	NASDAQ	ATRI	Wed, Aug 13, 1997	15.63	15.63	15.25	15.25
1676	NASDAQ	ATRI	Tue, Aug 12, 1997	15.50	15.75	15.25	15.38
1675	NASDAQ	ATRI	Mon, Aug 11, 1997	15.13	15.50	15.13	15.13
1674	NASDAQ	ATRI	Fri, Aug 8, 1997	16.00	16.13	15.25	16.00
1673	NASDAQ	ATRI	Thu, Aug 7, 1997	16.00	16.63	16.00	16.63
1672	NASDAQ	ATRI	Wed, Aug 6, 1997	15.25	16.63	15.25	16.63
1671	NASDAQ	ATRI	Tue, Aug 5, 1997	15.25	15.63	15.25	15.63
1670	NASDAQ	ATRI	Mon, Aug 4, 1997	15.25	15.50	15.25	15.25
1669	NASDAQ	ATRI	Fri, Aug 1, 1997	15.13	15.38	15.13	15.38
1668	NASDAQ	ATRI	Thu, Jul 31, 1997	15.50	15.63	15.13	15.19
1667	NASDAQ	ATRI	Wed, Jul 30, 1997	15.00	15.50	15.00	15.50
1666	NASDAQ	ATRI	Tue, Jul 29, 1997	15.63	15.75	15.25	15.25
1665	NASDAQ	ATRI	Mon, Jul 28, 1997	15.25	15.38	15.25	15.38
1664	NASDAQ	ATRI	Fri, Jul 25, 1997	15.00	15.75	15.00	15.75
1663	NASDAQ	ATRI	Thu, Jul 24, 1997	14.75	15.38	14.75	15.38
1662	NASDAQ	ATRI	Wed, Jul 23, 1997	14.88	15.25	14.75	15.25
1661	NASDAQ	ATRI	Tue, Jul 22, 1997	14.38	14.75	14.38	14.75
1660	NASDAQ	ATRI	Mon, Jul 21, 1997	14.25	14.63	14.25	14.38
1659	NASDAQ	ATRI	Fri, Jul 18, 1997	14.13	14.25	14.13	14.25
1658	NASDAQ	ATRI	Thu, Jul 17, 1997	13.75	14.00	13.75	14.00
1657	NASDAQ	ATRI	Wed, Jul 16, 1997	14.13	14.13	14.00	14.00
1656	NASDAQ	ATRI	Tue, Jul 15, 1997	14.50	14.50	14.38	14.38
1655	NASDAQ	ATRI	Mon, Jul 14, 1997	14.75	15.00	14.50	14.50
1654	NASDAQ	ATRI	Fri, Jul 11, 1997	14.88	15.38	14.88	15.38
1653	NASDAQ	ATRI	Thu, Jul 10, 1997	15.25	15.63	14.88	14.88
1652	NASDAQ	ATRI	Tue, Jul 8, 1997	15.00	15.13	15.00	15.13
1651	NASDAQ	ATRI	Mon, Jul 7, 1997	15.25	15.25	14.75	14.75
1650	NASDAQ	ATRI	Thu, Jul 3, 1997	15.25	15.75	15.00	15.75
1649	NASDAQ	ATRI	Wed, Jul 2, 1997	15.00	15.00	14.75	14.75
1648	NASDAQ	ATRI	Tue, Jul 1, 1997	15.75	15.75	14.75	15.25
1647	NASDAQ	ATRI	Mon, Jun 30, 1997	15.50	15.75	15.25	15.75
1646	NASDAQ	ATRI	Fri, Jun 27, 1997	15.63	15.88	14.75	14.75
1645	NASDAQ	ATRI	Thu, Jun 26, 1997	16.00	16.00	15.00	15.75
1644	NASDAQ	ATRI	Wed, Jun 25, 1997	15.25	16.25	14.88	15.75
1643	NASDAQ	ATRI	Tue, Jun 24, 1997	13.88	15.25	13.88	15.25
1642	NASDAQ	ATRI	Mon, Jun 23, 1997	13.63	13.75	13.38	13.63
1641	NASDAQ	ATRI	Fri, Jun 20, 1997	13.75	13.88	13.63	13.63
1640	NASDAQ	ATRI	Thu, Jun 19, 1997	13.75	13.75	13.75	13.75
1639	NASDAQ	ATRI	Wed, Jun 18, 1997	13.88	14.00	13.75	13.75
1638	NASDAQ	ATRI	Tue, Jun 17, 1997	14.00	14.00	14.00	14.00
1637	NASDAQ	ATRI	Mon, Jun 16, 1997	14.00	14.13	13.75	14.00
1636	NASDAQ	ATRI	Fri, Jun 13, 1997	14.00	14.13	14.00	14.13
1635	NASDAQ	ATRI	Thu, Jun 12, 1997	13.50	13.50	13.50	13.50
1634	NASDAQ	ATRI	Wed, Jun 11, 1997	13.50	14.13	13.50	13.50
1633	NASDAQ	ATRI	Tue, Jun 10, 1997	12.88	13.50	12.88	13.50
1632	NASDAQ	ATRI	Mon, Jun 9, 1997	13.13	13.25	13.00	13.00
1631	NASDAQ	ATRI	Fri, Jun 6, 1997	14.00	14.00	13.50	14.00
1630	NASDAQ	ATRI	Thu, Jun 5, 1997	13.75	14.25	13.75	14.25
1629	NASDAQ	ATRI	Wed, Jun 4, 1997	14.13	14.13	13.75	14.00
1628	NASDAQ	ATRI	Tue, Jun 3, 1997	13.88	14.50	13.75	13.88
1627	NASDAQ	ATRI	Mon, Jun 2, 1997	13.88	13.88	13.50	13.50
1626	NASDAQ	ATRI	Fri, May 30, 1997	13.75	13.88	13.75	13.88
1625	NASDAQ	ATRI	Thu, May 29, 1997	13.50	14.13	13.25	13.25
1624	NASDAQ	ATRI	Wed, May 28, 1997	13.75	13.75	13.13	13.75
1623	NASDAQ	ATRI	Tue, May 27, 1997	13.50	13.88	13.00	13.00
1622	NASDAQ	ATRI	Fri, May 23, 1997	12.38	13.25	12.38	13.25
1621	NASDAQ	ATRI	Thu, May 22, 1997	12.38	12.88	12.38	12.50
1620	NASDAQ	ATRI	Wed, May 21, 1997	12.25	12.75	12.25	12.50
1619	NASDAQ	ATRI	Tue, May 20, 1997	12.13	12.63	12.13	12.63
1618	NASDAQ	ATRI	Mon, May 19, 1997	12.13	12.50	12.13	12.13
1617	NASDAQ	ATRI	Fri, May 16, 1997	12.38	12.38	12.38	12.38
1616	NASDAQ	ATRI	Thu, May 15, 1997	12.25	12.38	12.25	12.25
1615	NASDAQ	ATRI	Wed, May 14, 1997	12.13	12.50	12.13	12.25
1614	NASDAQ	ATRI	Tue, May 13, 1997	12.25	12.50	12.13	12.13
1613	NASDAQ	ATRI	Mon, May 12, 1997	12.25	12.50	12.25	12.50
1612	NASDAQ	ATRI	Fri, May 9, 1997	12.25	12.75	12.13	12.38
1611	NASDAQ	ATRI	Thu, May 8, 1997	12.38	12.38	11.88	12.00
1610	NASDAQ	ATRI	Wed, May 7, 1997	12.25	12.25	11.88	12.00
1609	NASDAQ	ATRI	Tue, May 6, 1997	11.75	12.25	11.75	12.00
1608	NASDAQ	ATRI	Mon, May 5, 1997	11.88	11.88	11.88	11.88
1607	NASDAQ	ATRI	Fri, May 2, 1997	12.38	12.38	11.88	12.13
1606	NASDAQ	ATRI	Thu, May 1, 1997	12.25	12.38	11.88	12.38
1605	NASDAQ	ATRI	Wed, Apr 30, 1997	11.75	12.00	11.75	12.00
1604	NASDAQ	ATRI	Tue, Apr 29, 1997	11.63	12.25	11.63	12.00
1603	NASDAQ	ATRI	Mon, Apr 28, 1997	12.00	12.31	11.63	11.75
1602	NASDAQ	ATRI	Fri, Apr 25, 1997	12.63	12.63	12.00	12.13
1601	NASDAQ	ATRI	Thu, Apr 24, 1997	11.75	12.50	11.75	12.13
1600	NASDAQ	ATRI	Wed, Apr 23, 1997	12.00	12.38	11.75	12.00
1599	NASDAQ	ATRI	Tue, Apr 22, 1997	12.00	12.25	12.00	12.00
1598	NASDAQ	ATRI	Mon, Apr 21, 1997	12.13	12.13	11.88	12.13
1597	NASDAQ	ATRI	Fri, Apr 18, 1997	12.13	12.75	12.13	12.75
1596	NASDAQ	ATRI	Thu, Apr 17, 1997	12.75	12.88	12.13	12.13
1595	NASDAQ	ATRI	Tue, Apr 15, 1997	12.63	12.88	12.63	12.88
1594	NASDAQ	ATRI	Mon, Apr 14, 1997	13.13	13.25	12.63	13.00
1593	NASDAQ	ATRI	Fri, Apr 11, 1997	13.25	13.25	13.25	13.25
1592	NASDAQ	ATRI	Thu, Apr 10, 1997	12.50	13.00	12.50	13.00
1591	NASDAQ	ATRI	Wed, Apr 9, 1997	12.63	13.13	12.50	12.50
1590	NASDAQ	ATRI	Tue, Apr 8, 1997	13.00	13.25	12.63	12.88
1589	NASDAQ	ATRI	Mon, Apr 7, 1997	13.00	13.00	12.50	12.50
1588	NASDAQ	ATRI	Fri, Apr 4, 1997	12.50	13.00	12.50	13.00
1587	NASDAQ	ATRI	Thu, Apr 3, 1997	13.00	13.00	12.50	12.75
1586	NASDAQ	ATRI	Wed, Apr 2, 1997	13.00	13.00	12.50	12.50
1585	NASDAQ	ATRI	Tue, Apr 1, 1997	12.50	13.00	12.50	12.50
1584	NASDAQ	ATRI	Mon, Mar 31, 1997	12.75	13.25	12.50	13.25
1583	NASDAQ	ATRI	Thu, Mar 27, 1997	13.50	13.50	12.75	13.00
1582	NASDAQ	ATRI	Wed, Mar 26, 1997	12.75	13.25	11.75	12.88
1581	NASDAQ	ATRI	Tue, Mar 25, 1997	12.50	13.00	12.00	12.25
1580	NASDAQ	ATRI	Mon, Mar 24, 1997	13.50	13.75	11.00	12.75
1579	NASDAQ	ATRI	Fri, Mar 21, 1997	14.25	14.25	13.75	13.75
1578	NASDAQ	ATRI	Thu, Mar 20, 1997	14.00	14.50	13.75	14.25
1577	NASDAQ	ATRI	Wed, Mar 19, 1997	15.00	15.50	14.00	14.00
1576	NASDAQ	ATRI	Tue, Mar 18, 1997	14.38	14.88	14.38	14.63
1575	NASDAQ	ATRI	Mon, Mar 17, 1997	14.88	14.88	14.25	14.25
1574	NASDAQ	ATRI	Fri, Mar 14, 1997	15.13	15.13	14.75	15.00
1573	NASDAQ	ATRI	Thu, Mar 13, 1997	14.75	15.00	14.75	14.75
1572	NASDAQ	ATRI	Wed, Mar 12, 1997	15.13	15.13	15.13	15.13
1571	NASDAQ	ATRI	Tue, Mar 11, 1997	15.13	15.13	14.75	15.00
1570	NASDAQ	ATRI	Mon, Mar 10, 1997	15.13	15.25	14.63	14.63
1569	NASDAQ	ATRI	Fri, Mar 7, 1997	15.13	15.38	14.75	14.75
1568	NASDAQ	ATRI	Thu, Mar 6, 1997	15.50	15.63	15.25	15.50
1567	NASDAQ	ATRI	Wed, Mar 5, 1997	15.63	15.88	15.50	15.50
1566	NASDAQ	ATRI	Tue, Mar 4, 1997	15.88	16.38	15.63	15.63
1565	NASDAQ	ATRI	Mon, Mar 3, 1997	15.88	16.25	15.88	15.88
1564	NASDAQ	ATRI	Fri, Feb 28, 1997	15.75	16.38	15.75	16.00
1563	NASDAQ	ATRI	Thu, Feb 27, 1997	16.00	16.00	15.75	15.88
1562	NASDAQ	ATRI	Wed, Feb 26, 1997	15.75	16.00	15.50	15.50
1561	NASDAQ	ATRI	Tue, Feb 25, 1997	15.25	15.25	15.25	15.25
1560	NASDAQ	ATRI	Mon, Feb 24, 1997	15.50	15.50	15.25	15.25
1559	NASDAQ	ATRI	Fri, Feb 21, 1997	15.50	15.50	15.25	15.50
1558	NASDAQ	ATRI	Thu, Feb 20, 1997	15.38	15.50	15.00	15.00
1557	NASDAQ	ATRI	Wed, Feb 19, 1997	15.50	15.75	15.38	15.75
1556	NASDAQ	ATRI	Tue, Feb 18, 1997	15.75	15.75	15.13	15.50
1555	NASDAQ	ATRI	Fri, Feb 14, 1997	15.75	15.75	15.75	15.75
1554	NASDAQ	ATRI	Thu, Feb 13, 1997	16.00	16.00	16.00	16.00
1553	NASDAQ	ATRI	Wed, Feb 12, 1997	15.75	16.00	15.75	16.00
1552	NASDAQ	ATRI	Tue, Feb 11, 1997	16.00	16.00	15.50	15.75
1551	NASDAQ	ATRI	Mon, Feb 10, 1997	15.75	16.13	15.50	16.13
1550	NASDAQ	ATRI	Fri, Feb 7, 1997	16.25	16.25	15.50	16.00
1549	NASDAQ	ATRI	Thu, Feb 6, 1997	16.25	16.25	16.25	16.25
1548	NASDAQ	ATRI	Wed, Feb 5, 1997	16.25	16.25	15.75	15.88
1547	NASDAQ	ATRI	Tue, Feb 4, 1997	16.00	16.25	15.63	15.63
1546	NASDAQ	ATRI	Mon, Feb 3, 1997	15.88	16.00	15.88	15.88
1545	NASDAQ	ATRI	Fri, Jan 31, 1997	15.88	16.50	15.88	16.50
1544	NASDAQ	ATRI	Wed, Jan 29, 1997	16.25	16.50	16.00	16.25
1543	NASDAQ	ATRI	Tue, Jan 28, 1997	15.13	15.75	15.13	15.13
1542	NASDAQ	ATRI	Mon, Jan 27, 1997	15.75	15.75	15.13	15.75
1541	NASDAQ	ATRI	Fri, Jan 24, 1997	15.38	15.75	15.13	15.75
1540	NASDAQ	ATRI	Thu, Jan 23, 1997	15.50	15.50	15.00	15.50
1539	NASDAQ	ATRI	Wed, Jan 22, 1997	16.38	16.38	15.25	15.38
1538	NASDAQ	ATRI	Tue, Jan 21, 1997	16.00	16.38	15.75	15.75
1537	NASDAQ	ATRI	Mon, Jan 20, 1997	16.13	16.50	16.00	16.50
1536	NASDAQ	ATRI	Fri, Jan 17, 1997	16.13	16.25	16.13	16.25
1535	NASDAQ	ATRI	Thu, Jan 16, 1997	16.13	16.50	16.00	16.50
1534	NASDAQ	ATRI	Wed, Jan 15, 1997	16.38	16.38	16.38	16.38
1533	NASDAQ	ATRI	Tue, Jan 14, 1997	16.38	16.38	15.75	16.25
1532	NASDAQ	ATRI	Mon, Jan 13, 1997	15.75	16.25	15.50	16.25
1531	NASDAQ	ATRI	Fri, Jan 10, 1997	15.75	15.75	15.25	15.25
1530	NASDAQ	ATRI	Thu, Jan 9, 1997	15.75	16.00	15.00	16.00
1529	NASDAQ	ATRI	Wed, Jan 8, 1997	15.50	16.25	15.25	15.38
1528	NASDAQ	ATRI	Tue, Jan 7, 1997	15.63	16.25	15.50	15.50
1527	NASDAQ	ATRI	Mon, Jan 6, 1997	15.63	16.00	15.00	16.00
1526	NASDAQ	ATRI	Fri, Jan 3, 1997	15.50	16.13	15.00	15.63
1525	NASDAQ	ATRI	Thu, Jan 2, 1997	15.75	16.00	15.25	15.50
1524	NASDAQ	ATRI	Tue, Dec 31, 1996	15.50	16.50	15.50	16.50
1523	NASDAQ	ATRI	Mon, Dec 30, 1996	16.50	16.50	16.00	16.00
1522	NASDAQ	ATRI	Fri, Dec 27, 1996	17.00	17.00	16.25	16.75
1521	NASDAQ	ATRI	Thu, Dec 26, 1996	17.00	17.13	16.25	16.38
1520	NASDAQ	ATRI	Mon, Dec 23, 1996	16.75	17.00	16.50	17.00
1519	NASDAQ	ATRI	Fri, Dec 20, 1996	16.88	16.88	16.88	16.88
1518	NASDAQ	ATRI	Thu, Dec 19, 1996	16.00	16.75	16.00	16.75
1517	NASDAQ	ATRI	Tue, Dec 17, 1996	16.75	16.75	16.00	16.00
1516	NASDAQ	ATRI	Mon, Dec 16, 1996	16.00	16.00	16.00	16.00
1515	NASDAQ	ATRI	Fri, Dec 13, 1996	16.00	16.75	16.00	16.75
1514	NASDAQ	ATRI	Thu, Dec 12, 1996	16.75	17.00	16.75	17.00
1513	NASDAQ	ATRI	Wed, Dec 11, 1996	16.25	17.25	16.25	17.25
1512	NASDAQ	ATRI	Tue, Dec 10, 1996	17.25	17.25	16.50	16.88
1511	NASDAQ	ATRI	Mon, Dec 9, 1996	17.25	17.25	16.50	16.50
1510	NASDAQ	ATRI	Fri, Dec 6, 1996	17.25	17.25	16.50	17.25
1509	NASDAQ	ATRI	Thu, Dec 5, 1996	17.25	17.25	16.50	17.25
1508	NASDAQ	ATRI	Wed, Dec 4, 1996	16.50	17.00	16.25	17.00
1507	NASDAQ	ATRI	Tue, Dec 3, 1996	16.75	17.75	16.75	17.75
1506	NASDAQ	ATRI	Mon, Dec 2, 1996	17.00	17.83	17.00	17.83
1505	NASDAQ	ATRI	Fri, Nov 29, 1996	16.67	17.67	16.67	17.67
1504	NASDAQ	ATRI	Tue, Nov 26, 1996	17.33	17.33	17.17	17.17
1503	NASDAQ	ATRI	Mon, Nov 25, 1996	16.33	17.33	16.33	17.33
1502	NASDAQ	ATRI	Fri, Nov 22, 1996	17.33	17.67	16.67	16.67
1501	NASDAQ	ATRI	Thu, Nov 21, 1996	18.67	19.33	17.50	17.50
1500	NASDAQ	ATRI	Wed, Nov 20, 1996	18.67	19.33	18.67	19.33
1499	NASDAQ	ATRI	Mon, Nov 18, 1996	19.50	19.50	18.67	19.33
1498	NASDAQ	ATRI	Fri, Nov 15, 1996	19.00	19.00	19.00	19.00
1497	NASDAQ	ATRI	Thu, Nov 14, 1996	19.00	19.83	19.00	19.00
1496	NASDAQ	ATRI	Wed, Nov 13, 1996	19.67	19.67	19.00	19.67
1495	NASDAQ	ATRI	Tue, Nov 12, 1996	20.50	20.50	19.67	20.00
1494	NASDAQ	ATRI	Mon, Nov 11, 1996	18.17	20.00	18.17	20.00
1493	NASDAQ	ATRI	Fri, Nov 8, 1996	18.33	18.83	18.33	18.50
1492	NASDAQ	ATRI	Thu, Nov 7, 1996	17.33	18.50	17.33	18.50
1491	NASDAQ	ATRI	Wed, Nov 6, 1996	18.00	18.00	17.33	17.33
1490	NASDAQ	ATRI	Tue, Nov 5, 1996	18.17	18.33	17.50	17.50
1489	NASDAQ	ATRI	Fri, Nov 1, 1996	17.50	17.50	17.50	17.50
1488	NASDAQ	ATRI	Thu, Oct 31, 1996	18.17	18.17	18.17	18.17
1487	NASDAQ	ATRI	Wed, Oct 30, 1996	18.17	18.17	17.50	17.50
1486	NASDAQ	ATRI	Tue, Oct 29, 1996	17.50	17.50	17.50	17.50
1485	NASDAQ	ATRI	Mon, Oct 28, 1996	17.83	18.00	17.50	17.50
1484	NASDAQ	ATRI	Fri, Oct 25, 1996	17.50	17.50	17.00	17.33
1483	NASDAQ	ATRI	Thu, Oct 24, 1996	17.50	17.50	17.50	17.50
1482	NASDAQ	ATRI	Wed, Oct 23, 1996	17.00	17.33	17.00	17.33
1481	NASDAQ	ATRI	Tue, Oct 22, 1996	17.00	17.00	16.67	16.67
1480	NASDAQ	ATRI	Fri, Oct 18, 1996	17.00	17.00	16.75	16.75
1479	NASDAQ	ATRI	Thu, Oct 17, 1996	15.83	16.50	15.50	16.50
1478	NASDAQ	ATRI	Wed, Oct 16, 1996	16.00	16.00	15.83	15.83
1477	NASDAQ	ATRI	Tue, Oct 15, 1996	16.50	16.50	15.83	16.50
1476	NASDAQ	ATRI	Mon, Oct 14, 1996	15.83	15.83	15.83	15.83
1475	NASDAQ	ATRI	Fri, Oct 11, 1996	15.67	16.17	15.67	16.17
1474	NASDAQ	ATRI	Thu, Oct 10, 1996	16.00	16.00	15.67	15.67
1473	NASDAQ	ATRI	Wed, Oct 9, 1996	15.67	16.17	15.67	16.17
1472	NASDAQ	ATRI	Tue, Oct 8, 1996	15.67	16.00	15.67	16.00
1471	NASDAQ	ATRI	Mon, Oct 7, 1996	16.17	16.17	15.83	15.83
1470	NASDAQ	ATRI	Fri, Oct 4, 1996	16.00	16.17	15.83	16.17
1469	NASDAQ	ATRI	Thu, Oct 3, 1996	16.58	16.58	16.58	16.58
1468	NASDAQ	ATRI	Tue, Oct 1, 1996	16.67	16.67	16.33	16.33
1467	NASDAQ	ATRI	Mon, Sep 30, 1996	16.67	16.67	16.00	16.00
1466	NASDAQ	ATRI	Thu, Sep 26, 1996	16.17	16.17	16.17	16.17
1465	NASDAQ	ATRI	Wed, Sep 25, 1996	16.33	16.83	16.33	16.33
1464	NASDAQ	ATRI	Tue, Sep 24, 1996	16.67	16.67	16.33	16.33
1463	NASDAQ	ATRI	Mon, Sep 23, 1996	16.33	16.33	16.33	16.33
1462	NASDAQ	ATRI	Fri, Sep 20, 1996	16.33	16.33	16.33	16.33
1461	NASDAQ	ATRI	Thu, Sep 19, 1996	16.33	16.67	16.33	16.67
1460	NASDAQ	ATRI	Wed, Sep 18, 1996	16.33	16.83	16.33	16.83
1459	NASDAQ	ATRI	Tue, Sep 17, 1996	16.50	16.50	16.33	16.33
1458	NASDAQ	ATRI	Mon, Sep 16, 1996	16.33	16.67	16.33	16.58
1457	NASDAQ	ATRI	Thu, Sep 12, 1996	16.00	16.00	16.00	16.00
1456	NASDAQ	ATRI	Tue, Sep 10, 1996	16.33	16.33	16.33	16.33
1455	NASDAQ	ATRI	Mon, Sep 9, 1996	16.33	16.33	16.33	16.33
1454	NASDAQ	ATRI	Fri, Sep 6, 1996	16.33	16.33	16.33	16.33
1453	NASDAQ	ATRI	Thu, Sep 5, 1996	16.50	17.00	16.50	17.00
1452	NASDAQ	ATRI	Wed, Sep 4, 1996	16.67	16.67	16.67	16.67
1451	NASDAQ	ATRI	Tue, Sep 3, 1996	16.83	16.83	16.67	16.67
1450	NASDAQ	ATRI	Fri, Aug 30, 1996	17.00	17.00	17.00	17.00
1449	NASDAQ	ATRI	Wed, Aug 28, 1996	17.00	17.00	16.33	16.83
1448	NASDAQ	ATRI	Tue, Aug 27, 1996	16.33	16.50	15.83	16.50
1447	NASDAQ	ATRI	Mon, Aug 26, 1996	16.08	16.08	15.92	16.00
1446	NASDAQ	ATRI	Wed, Aug 21, 1996	15.83	15.83	15.67	15.67
1445	NASDAQ	ATRI	Tue, Aug 20, 1996	15.83	16.17	15.83	16.17
1444	NASDAQ	ATRI	Mon, Aug 19, 1996	15.83	15.83	15.83	15.83
1443	NASDAQ	ATRI	Fri, Aug 16, 1996	16.17	16.33	15.83	16.33
1442	NASDAQ	ATRI	Wed, Aug 14, 1996	16.33	16.33	16.33	16.33
1441	NASDAQ	ATRI	Tue, Aug 13, 1996	16.17	16.33	16.17	16.17
1440	NASDAQ	ATRI	Mon, Aug 12, 1996	15.83	15.83	15.83	15.83
1439	NASDAQ	ATRI	Fri, Aug 9, 1996	16.33	16.33	16.33	16.33
1438	NASDAQ	ATRI	Thu, Aug 8, 1996	15.33	16.00	15.33	15.67
1437	NASDAQ	ATRI	Wed, Aug 7, 1996	15.00	15.33	15.00	15.33
1436	NASDAQ	ATRI	Tue, Aug 6, 1996	14.83	15.33	14.83	15.00
1435	NASDAQ	ATRI	Fri, Aug 2, 1996	15.17	15.33	15.00	15.17
1434	NASDAQ	ATRI	Thu, Aug 1, 1996	15.17	15.17	15.17	15.17
1433	NASDAQ	ATRI	Wed, Jul 31, 1996	15.33	15.33	15.17	15.17
1432	NASDAQ	ATRI	Tue, Jul 30, 1996	15.17	15.17	15.17	15.17
1431	NASDAQ	ATRI	Mon, Jul 29, 1996	16.33	16.33	15.17	15.42
1430	NASDAQ	ATRI	Thu, Jul 25, 1996	16.00	16.00	16.00	16.00
1429	NASDAQ	ATRI	Wed, Jul 24, 1996	16.17	16.50	16.00	16.17
1428	NASDAQ	ATRI	Tue, Jul 23, 1996	16.67	16.67	16.50	16.50
1427	NASDAQ	ATRI	Mon, Jul 22, 1996	16.67	16.67	16.67	16.67
1426	NASDAQ	ATRI	Fri, Jul 19, 1996	16.67	16.67	16.67	16.67
1425	NASDAQ	ATRI	Thu, Jul 18, 1996	16.83	16.83	16.83	16.83
1424	NASDAQ	ATRI	Wed, Jul 17, 1996	16.83	17.00	16.83	17.00
1423	NASDAQ	ATRI	Tue, Jul 16, 1996	16.50	17.00	16.50	16.50
1422	NASDAQ	ATRI	Mon, Jul 15, 1996	16.67	17.17	16.67	16.67
1421	NASDAQ	ATRI	Thu, Jul 11, 1996	17.17	17.17	16.83	16.83
1420	NASDAQ	ATRI	Wed, Jul 10, 1996	17.00	17.00	17.00	17.00
1419	NASDAQ	ATRI	Tue, Jul 9, 1996	16.83	17.17	16.67	17.17
1418	NASDAQ	ATRI	Mon, Jul 8, 1996	16.75	16.75	16.75	16.75
1417	NASDAQ	ATRI	Wed, Jul 3, 1996	16.83	16.83	16.83	16.83
1416	NASDAQ	ATRI	Tue, Jul 2, 1996	16.83	16.83	16.33	16.83
1415	NASDAQ	ATRI	Fri, Jun 28, 1996	16.33	17.00	16.33	17.00
1414	NASDAQ	ATRI	Thu, Jun 27, 1996	16.33	16.50	16.33	16.33
1413	NASDAQ	ATRI	Wed, Jun 26, 1996	16.83	16.83	16.83	16.83
1412	NASDAQ	ATRI	Tue, Jun 25, 1996	16.50	16.50	16.50	16.50
1411	NASDAQ	ATRI	Mon, Jun 24, 1996	16.50	17.00	16.50	16.50
1410	NASDAQ	ATRI	Fri, Jun 21, 1996	17.00	17.00	16.50	16.50
1409	NASDAQ	ATRI	Thu, Jun 20, 1996	17.00	17.00	16.50	16.50
1408	NASDAQ	ATRI	Wed, Jun 19, 1996	16.17	16.58	16.17	16.33
1407	NASDAQ	ATRI	Tue, Jun 18, 1996	16.33	16.33	16.17	16.33
1406	NASDAQ	ATRI	Mon, Jun 17, 1996	16.25	16.67	16.17	16.33
1405	NASDAQ	ATRI	Thu, Jun 13, 1996	16.33	16.33	16.33	16.33
1404	NASDAQ	ATRI	Wed, Jun 12, 1996	16.50	16.67	16.33	16.33
1403	NASDAQ	ATRI	Tue, Jun 11, 1996	16.67	16.67	16.33	16.33
1402	NASDAQ	ATRI	Mon, Jun 10, 1996	16.50	16.50	16.50	16.50
1401	NASDAQ	ATRI	Fri, Jun 7, 1996	16.50	16.75	16.50	16.67
1400	NASDAQ	ATRI	Thu, Jun 6, 1996	16.67	16.67	16.42	16.67
1399	NASDAQ	ATRI	Wed, Jun 5, 1996	16.50	16.83	16.50	16.50
1398	NASDAQ	ATRI	Tue, Jun 4, 1996	16.33	16.33	16.33	16.33
1397	NASDAQ	ATRI	Mon, Jun 3, 1996	16.83	16.83	16.33	16.33
1396	NASDAQ	ATRI	Fri, May 31, 1996	16.17	16.50	16.00	16.33
1395	NASDAQ	ATRI	Thu, May 30, 1996	16.17	16.17	15.67	15.67
1394	NASDAQ	ATRI	Wed, May 29, 1996	15.92	15.92	15.67	15.67
1393	NASDAQ	ATRI	Tue, May 28, 1996	15.67	15.67	15.67	15.67
1392	NASDAQ	ATRI	Fri, May 24, 1996	15.33	15.67	15.33	15.67
1391	NASDAQ	ATRI	Thu, May 23, 1996	14.33	15.50	14.33	15.50
1390	NASDAQ	ATRI	Wed, May 22, 1996	14.50	14.50	14.00	14.33
1389	NASDAQ	ATRI	Tue, May 21, 1996	14.00	14.00	14.00	14.00
1388	NASDAQ	ATRI	Mon, May 20, 1996	14.50	14.50	14.00	14.00
1387	NASDAQ	ATRI	Fri, May 17, 1996	14.00	14.50	14.00	14.50
1386	NASDAQ	ATRI	Thu, May 16, 1996	14.00	14.50	14.00	14.00
1385	NASDAQ	ATRI	Wed, May 15, 1996	14.50	14.50	14.00	14.00
1384	NASDAQ	ATRI	Tue, May 14, 1996	14.33	14.33	14.00	14.33
1383	NASDAQ	ATRI	Mon, May 13, 1996	13.83	14.33	13.83	13.83
1382	NASDAQ	ATRI	Fri, May 10, 1996	14.33	14.33	14.33	14.33
1381	NASDAQ	ATRI	Thu, May 9, 1996	14.33	14.33	13.83	14.33
1380	NASDAQ	ATRI	Wed, May 8, 1996	13.83	14.00	13.83	14.00
1379	NASDAQ	ATRI	Tue, May 7, 1996	14.75	14.75	14.00	14.00
1378	NASDAQ	ATRI	Mon, May 6, 1996	14.17	14.67	14.17	14.67
1377	NASDAQ	ATRI	Fri, May 3, 1996	13.83	13.83	13.83	13.83
1376	NASDAQ	ATRI	Thu, May 2, 1996	13.83	14.33	13.83	14.33
1375	NASDAQ	ATRI	Wed, May 1, 1996	14.00	14.00	13.83	13.83
1374	NASDAQ	ATRI	Tue, Apr 30, 1996	14.17	14.17	14.00	14.00
1373	NASDAQ	ATRI	Mon, Apr 29, 1996	14.00	14.00	13.50	13.50
1372	NASDAQ	ATRI	Fri, Apr 26, 1996	14.00	14.00	14.00	14.00
1371	NASDAQ	ATRI	Thu, Apr 25, 1996	13.50	14.00	13.50	13.92
1370	NASDAQ	ATRI	Wed, Apr 24, 1996	13.50	13.75	13.50	13.75
1369	NASDAQ	ATRI	Tue, Apr 23, 1996	13.50	13.50	13.50	13.50
1368	NASDAQ	ATRI	Mon, Apr 22, 1996	14.17	14.17	13.50	13.50
1367	NASDAQ	ATRI	Wed, Apr 17, 1996	13.50	13.83	13.50	13.83
1366	NASDAQ	ATRI	Tue, Apr 16, 1996	13.50	13.67	13.50	13.67
1365	NASDAQ	ATRI	Mon, Apr 15, 1996	14.17	14.17	14.00	14.17
1364	NASDAQ	ATRI	Fri, Apr 12, 1996	14.17	14.17	14.17	14.17
1363	NASDAQ	ATRI	Thu, Apr 11, 1996	13.67	14.17	13.67	13.75
1362	NASDAQ	ATRI	Wed, Apr 10, 1996	14.00	14.00	13.50	13.50
1361	NASDAQ	ATRI	Tue, Apr 9, 1996	13.83	14.17	13.50	14.17
1360	NASDAQ	ATRI	Mon, Apr 8, 1996	13.83	13.83	13.33	13.67
1359	NASDAQ	ATRI	Thu, Apr 4, 1996	13.83	13.83	13.67	13.67
1358	NASDAQ	ATRI	Wed, Apr 3, 1996	13.67	13.67	13.67	13.67
1357	NASDAQ	ATRI	Tue, Apr 2, 1996	13.33	13.83	13.33	13.67
1356	NASDAQ	ATRI	Mon, Apr 1, 1996	14.17	14.17	13.50	13.50
1355	NASDAQ	ATRI	Fri, Mar 29, 1996	13.50	13.50	13.50	13.50
1354	NASDAQ	ATRI	Tue, Mar 26, 1996	14.00	14.00	13.92	13.92
1353	NASDAQ	ATRI	Mon, Mar 25, 1996	13.67	13.67	13.67	13.67
1352	NASDAQ	ATRI	Fri, Mar 22, 1996	14.33	14.33	14.33	14.33
1351	NASDAQ	ATRI	Thu, Mar 21, 1996	13.67	14.17	13.67	14.17
1350	NASDAQ	ATRI	Wed, Mar 20, 1996	14.33	14.33	13.67	13.67
1349	NASDAQ	ATRI	Tue, Mar 19, 1996	14.08	14.17	13.67	14.17
1348	NASDAQ	ATRI	Mon, Mar 18, 1996	13.83	14.17	13.83	13.83
1347	NASDAQ	ATRI	Fri, Mar 15, 1996	14.33	14.42	14.17	14.42
1346	NASDAQ	ATRI	Thu, Mar 14, 1996	14.33	14.50	14.33	14.33
1345	NASDAQ	ATRI	Wed, Mar 13, 1996	14.17	14.33	14.17	14.33
1344	NASDAQ	ATRI	Tue, Mar 12, 1996	14.17	14.17	14.17	14.17
1343	NASDAQ	ATRI	Mon, Mar 11, 1996	14.50	14.50	14.17	14.17
1342	NASDAQ	ATRI	Fri, Mar 8, 1996	14.33	14.33	14.17	14.17
1341	NASDAQ	ATRI	Wed, Mar 6, 1996	14.17	14.17	14.17	14.17
1340	NASDAQ	ATRI	Tue, Mar 5, 1996	14.50	14.50	14.50	14.50
1339	NASDAQ	ATRI	Fri, Mar 1, 1996	14.50	14.50	14.33	14.33
1338	NASDAQ	ATRI	Thu, Feb 29, 1996	14.17	14.33	14.17	14.33
1337	NASDAQ	ATRI	Wed, Feb 28, 1996	14.50	14.50	14.38	14.38
1336	NASDAQ	ATRI	Tue, Feb 27, 1996	14.17	14.33	14.17	14.33
1335	NASDAQ	ATRI	Mon, Feb 26, 1996	14.50	14.50	14.17	14.17
1334	NASDAQ	ATRI	Fri, Feb 23, 1996	14.00	14.33	14.00	14.25
1333	NASDAQ	ATRI	Thu, Feb 22, 1996	14.00	14.33	14.00	14.33
1332	NASDAQ	ATRI	Wed, Feb 21, 1996	14.17	14.33	14.00	14.00
1331	NASDAQ	ATRI	Tue, Feb 20, 1996	14.33	14.33	14.00	14.33
1330	NASDAQ	ATRI	Fri, Feb 16, 1996	14.25	14.33	14.25	14.33
1329	NASDAQ	ATRI	Thu, Feb 15, 1996	14.08	14.17	14.00	14.17
1328	NASDAQ	ATRI	Tue, Feb 13, 1996	14.00	14.17	14.00	14.17
1327	NASDAQ	ATRI	Mon, Feb 12, 1996	14.00	14.00	13.83	13.83
1326	NASDAQ	ATRI	Fri, Feb 9, 1996	14.00	14.00	14.00	14.00
1325	NASDAQ	ATRI	Thu, Feb 8, 1996	14.00	14.00	14.00	14.00
1324	NASDAQ	ATRI	Wed, Feb 7, 1996	13.83	14.17	13.83	14.17
1323	NASDAQ	ATRI	Tue, Feb 6, 1996	13.92	13.92	13.92	13.92
1322	NASDAQ	ATRI	Mon, Feb 5, 1996	14.17	14.17	13.67	13.67
1321	NASDAQ	ATRI	Fri, Feb 2, 1996	13.83	13.83	13.83	13.83
1320	NASDAQ	ATRI	Thu, Feb 1, 1996	13.83	14.08	13.83	14.08
1319	NASDAQ	ATRI	Wed, Jan 31, 1996	13.83	14.00	13.83	13.83
1318	NASDAQ	ATRI	Tue, Jan 30, 1996	14.00	14.17	13.83	14.17
1317	NASDAQ	ATRI	Mon, Jan 29, 1996	13.92	13.92	13.83	13.83
1316	NASDAQ	ATRI	Fri, Jan 26, 1996	13.67	14.00	13.67	13.83
1315	NASDAQ	ATRI	Thu, Jan 25, 1996	14.17	14.17	14.17	14.17
1314	NASDAQ	ATRI	Wed, Jan 24, 1996	13.67	13.67	13.67	13.67
1313	NASDAQ	ATRI	Tue, Jan 23, 1996	14.00	14.00	13.67	13.67
1312	NASDAQ	ATRI	Fri, Jan 19, 1996	13.67	13.67	13.67	13.67
1311	NASDAQ	ATRI	Thu, Jan 18, 1996	14.00	14.17	13.50	14.04
1310	NASDAQ	ATRI	Wed, Jan 17, 1996	14.00	14.00	13.50	13.50
1309	NASDAQ	ATRI	Mon, Jan 15, 1996	13.83	13.83	13.50	13.83
1308	NASDAQ	ATRI	Fri, Jan 12, 1996	14.33	14.50	13.67	13.92
1307	NASDAQ	ATRI	Thu, Jan 11, 1996	14.50	14.50	14.33	14.33
1306	NASDAQ	ATRI	Wed, Jan 10, 1996	14.33	14.50	14.33	14.33
1305	NASDAQ	ATRI	Mon, Jan 8, 1996	14.67	14.67	14.33	14.67
1304	NASDAQ	ATRI	Fri, Jan 5, 1996	14.67	14.67	14.33	14.67
1303	NASDAQ	ATRI	Thu, Jan 4, 1996	14.33	14.42	14.33	14.33
1302	NASDAQ	ATRI	Wed, Jan 3, 1996	14.33	14.67	14.33	14.67
1301	NASDAQ	ATRI	Tue, Jan 2, 1996	14.00	14.50	14.00	14.29
1300	NASDAQ	ATRI	Fri, Dec 29, 1995	14.17	14.17	14.17	14.17
1299	NASDAQ	ATRI	Thu, Dec 28, 1995	14.17	14.17	14.17	14.17
1298	NASDAQ	ATRI	Wed, Dec 27, 1995	14.17	14.17	14.17	14.17
1297	NASDAQ	ATRI	Tue, Dec 26, 1995	14.00	14.17	14.00	14.17
1296	NASDAQ	ATRI	Fri, Dec 22, 1995	14.00	14.31	14.00	14.31
1295	NASDAQ	ATRI	Thu, Dec 21, 1995	14.31	14.31	14.00	14.00
1294	NASDAQ	ATRI	Wed, Dec 20, 1995	14.50	14.50	14.25	14.25
1293	NASDAQ	ATRI	Mon, Dec 18, 1995	14.50	14.50	14.25	14.25
1292	NASDAQ	ATRI	Fri, Dec 15, 1995	14.33	14.33	14.00	14.00
1291	NASDAQ	ATRI	Thu, Dec 14, 1995	14.50	14.50	14.00	14.50
1290	NASDAQ	ATRI	Wed, Dec 13, 1995	14.33	14.33	14.33	14.33
1289	NASDAQ	ATRI	Tue, Dec 12, 1995	14.00	14.17	14.00	14.17
1288	NASDAQ	ATRI	Mon, Dec 11, 1995	14.17	14.50	14.17	14.50
1287	NASDAQ	ATRI	Fri, Dec 8, 1995	14.00	14.67	14.00	14.58
1286	NASDAQ	ATRI	Thu, Dec 7, 1995	14.17	14.50	14.00	14.50
1285	NASDAQ	ATRI	Wed, Dec 6, 1995	14.33	14.33	13.83	13.83
1284	NASDAQ	ATRI	Tue, Dec 5, 1995	14.00	14.50	13.83	14.17
1283	NASDAQ	ATRI	Mon, Dec 4, 1995	14.50	14.50	14.00	14.00
1282	NASDAQ	ATRI	Fri, Dec 1, 1995	14.50	14.50	14.00	14.00
1281	NASDAQ	ATRI	Thu, Nov 30, 1995	14.08	14.08	14.00	14.08
1280	NASDAQ	ATRI	Wed, Nov 29, 1995	14.08	14.08	14.08	14.08
1279	NASDAQ	ATRI	Tue, Nov 28, 1995	13.83	14.17	13.83	14.17
1278	NASDAQ	ATRI	Mon, Nov 27, 1995	14.33	14.33	13.83	14.33
1277	NASDAQ	ATRI	Wed, Nov 22, 1995	14.00	14.17	13.83	14.17
1276	NASDAQ	ATRI	Fri, Nov 17, 1995	14.00	14.33	13.83	13.83
1275	NASDAQ	ATRI	Thu, Nov 16, 1995	14.67	14.67	14.17	14.50
1274	NASDAQ	ATRI	Wed, Nov 15, 1995	14.17	14.50	14.17	14.50
1273	NASDAQ	ATRI	Tue, Nov 14, 1995	14.17	14.67	14.17	14.67
1272	NASDAQ	ATRI	Mon, Nov 13, 1995	14.42	14.67	14.42	14.67
1271	NASDAQ	ATRI	Fri, Nov 10, 1995	14.17	14.17	14.17	14.17
1270	NASDAQ	ATRI	Thu, Nov 9, 1995	14.42	14.42	14.17	14.17
1269	NASDAQ	ATRI	Tue, Nov 7, 1995	14.50	14.67	14.17	14.67
1268	NASDAQ	ATRI	Mon, Nov 6, 1995	14.33	14.33	14.00	14.00
1267	NASDAQ	ATRI	Fri, Nov 3, 1995	13.83	14.17	13.83	14.17
1266	NASDAQ	ATRI	Thu, Nov 2, 1995	13.83	14.17	13.83	14.08
1265	NASDAQ	ATRI	Tue, Oct 31, 1995	14.17	14.17	14.08	14.08
1264	NASDAQ	ATRI	Mon, Oct 30, 1995	14.17	14.17	13.83	13.83
1263	NASDAQ	ATRI	Fri, Oct 27, 1995	13.67	13.92	13.67	13.83
1262	NASDAQ	ATRI	Thu, Oct 26, 1995	14.00	14.00	13.71	14.00
1261	NASDAQ	ATRI	Wed, Oct 25, 1995	13.67	14.00	13.67	13.71
1260	NASDAQ	ATRI	Tue, Oct 24, 1995	13.83	14.00	13.83	13.83
1259	NASDAQ	ATRI	Mon, Oct 23, 1995	13.83	13.83	13.67	13.83
1258	NASDAQ	ATRI	Thu, Oct 19, 1995	13.50	13.50	13.50	13.50
1257	NASDAQ	ATRI	Wed, Oct 18, 1995	13.50	14.00	13.50	14.00
1256	NASDAQ	ATRI	Tue, Oct 17, 1995	13.67	14.00	13.67	13.83
1255	NASDAQ	ATRI	Fri, Oct 13, 1995	13.67	14.00	13.67	13.67
1254	NASDAQ	ATRI	Thu, Oct 12, 1995	13.67	13.67	13.67	13.67
1253	NASDAQ	ATRI	Wed, Oct 11, 1995	14.00	14.00	13.67	13.67
1252	NASDAQ	ATRI	Tue, Oct 10, 1995	13.67	14.17	13.67	14.00
1251	NASDAQ	ATRI	Mon, Oct 9, 1995	14.17	14.17	14.00	14.17
1250	NASDAQ	ATRI	Fri, Oct 6, 1995	14.17	14.17	14.00	14.00
1249	NASDAQ	ATRI	Thu, Oct 5, 1995	14.00	14.17	13.67	14.00
1248	NASDAQ	ATRI	Wed, Oct 4, 1995	14.17	14.17	14.17	14.17
1247	NASDAQ	ATRI	Tue, Oct 3, 1995	14.00	14.00	14.00	14.00
1246	NASDAQ	ATRI	Mon, Oct 2, 1995	14.00	14.17	13.75	14.17
1245	NASDAQ	ATRI	Fri, Sep 29, 1995	14.00	14.00	14.00	14.00
1244	NASDAQ	ATRI	Thu, Sep 28, 1995	14.17	14.33	14.17	14.33
1243	NASDAQ	ATRI	Wed, Sep 27, 1995	14.17	14.50	14.17	14.50
1242	NASDAQ	ATRI	Tue, Sep 26, 1995	14.33	14.50	14.17	14.33
1241	NASDAQ	ATRI	Mon, Sep 25, 1995	14.17	14.17	14.17	14.17
1240	NASDAQ	ATRI	Fri, Sep 22, 1995	14.17	14.17	14.17	14.17
1239	NASDAQ	ATRI	Thu, Sep 21, 1995	14.17	14.17	14.17	14.17
1238	NASDAQ	ATRI	Wed, Sep 20, 1995	14.33	14.33	14.17	14.33
1237	NASDAQ	ATRI	Tue, Sep 19, 1995	14.50	14.50	14.17	14.17
1236	NASDAQ	ATRI	Mon, Sep 18, 1995	14.50	14.50	14.17	14.33
1235	NASDAQ	ATRI	Fri, Sep 15, 1995	14.17	14.17	14.17	14.17
1234	NASDAQ	ATRI	Thu, Sep 14, 1995	14.17	14.17	14.17	14.17
1233	NASDAQ	ATRI	Tue, Sep 12, 1995	14.17	14.67	14.17	14.17
1232	NASDAQ	ATRI	Mon, Sep 11, 1995	13.83	14.00	13.83	14.00
1231	NASDAQ	ATRI	Fri, Sep 8, 1995	13.83	13.83	13.83	13.83
1230	NASDAQ	ATRI	Thu, Sep 7, 1995	13.83	13.83	13.83	13.83
1229	NASDAQ	ATRI	Tue, Sep 5, 1995	14.08	14.08	14.08	14.08
1228	NASDAQ	ATRI	Thu, Aug 31, 1995	13.83	14.17	13.83	14.08
1227	NASDAQ	ATRI	Tue, Aug 29, 1995	13.83	13.83	13.83	13.83
1226	NASDAQ	ATRI	Mon, Aug 28, 1995	13.67	14.17	13.67	13.67
1225	NASDAQ	ATRI	Fri, Aug 25, 1995	14.00	14.00	13.67	13.67
1224	NASDAQ	ATRI	Thu, Aug 24, 1995	13.67	14.17	13.67	14.17
1223	NASDAQ	ATRI	Wed, Aug 23, 1995	13.67	13.67	13.67	13.67
1222	NASDAQ	ATRI	Tue, Aug 22, 1995	14.17	14.17	13.92	13.92
1221	NASDAQ	ATRI	Mon, Aug 21, 1995	14.17	14.17	13.67	14.17
1220	NASDAQ	ATRI	Fri, Aug 18, 1995	14.33	14.33	14.33	14.33
1219	NASDAQ	ATRI	Thu, Aug 17, 1995	14.50	14.50	14.00	14.17
1218	NASDAQ	ATRI	Wed, Aug 16, 1995	14.17	14.17	14.17	14.17
1217	NASDAQ	ATRI	Tue, Aug 15, 1995	14.17	14.67	14.17	14.17
1216	NASDAQ	ATRI	Mon, Aug 14, 1995	14.67	14.67	14.08	14.67
1215	NASDAQ	ATRI	Fri, Aug 11, 1995	14.00	14.33	14.00	14.33
1214	NASDAQ	ATRI	Thu, Aug 10, 1995	13.83	14.00	13.33	13.67
1213	NASDAQ	ATRI	Wed, Aug 9, 1995	13.42	13.42	13.42	13.42
1212	NASDAQ	ATRI	Tue, Aug 8, 1995	13.33	13.83	13.33	13.83
1211	NASDAQ	ATRI	Mon, Aug 7, 1995	13.83	13.83	13.33	13.33
1210	NASDAQ	ATRI	Fri, Aug 4, 1995	13.50	13.50	13.50	13.50
1209	NASDAQ	ATRI	Thu, Aug 3, 1995	13.50	13.75	13.33	13.75
1208	NASDAQ	ATRI	Wed, Aug 2, 1995	13.50	13.50	13.33	13.33
1207	NASDAQ	ATRI	Tue, Aug 1, 1995	13.17	13.25	13.17	13.25
1206	NASDAQ	ATRI	Fri, Jul 28, 1995	13.42	13.42	13.42	13.42
1205	NASDAQ	ATRI	Thu, Jul 27, 1995	13.33	13.50	13.33	13.38
1204	NASDAQ	ATRI	Wed, Jul 26, 1995	13.17	13.33	13.17	13.33
1203	NASDAQ	ATRI	Tue, Jul 25, 1995	13.50	13.50	13.17	13.33
1202	NASDAQ	ATRI	Mon, Jul 24, 1995	13.17	13.17	13.17	13.17
1201	NASDAQ	ATRI	Fri, Jul 21, 1995	13.42	13.50	13.42	13.50
1200	NASDAQ	ATRI	Thu, Jul 20, 1995	13.17	13.21	13.17	13.21
1199	NASDAQ	ATRI	Wed, Jul 19, 1995	13.33	13.33	13.17	13.17
1198	NASDAQ	ATRI	Tue, Jul 18, 1995	13.17	13.50	13.17	13.50
1197	NASDAQ	ATRI	Mon, Jul 17, 1995	13.17	13.17	13.17	13.17
1196	NASDAQ	ATRI	Thu, Jul 13, 1995	13.17	13.17	13.17	13.17
1195	NASDAQ	ATRI	Tue, Jul 11, 1995	13.33	13.50	13.17	13.50
1194	NASDAQ	ATRI	Mon, Jul 10, 1995	13.50	13.50	13.17	13.50
1193	NASDAQ	ATRI	Thu, Jul 6, 1995	13.50	13.50	13.17	13.17
1192	NASDAQ	ATRI	Wed, Jul 5, 1995	13.50	13.50	13.17	13.17
1191	NASDAQ	ATRI	Mon, Jul 3, 1995	13.17	13.17	13.17	13.17
1190	NASDAQ	ATRI	Fri, Jun 30, 1995	13.50	13.50	13.17	13.50
1189	NASDAQ	ATRI	Thu, Jun 29, 1995	13.17	13.17	13.17	13.17
1188	NASDAQ	ATRI	Wed, Jun 28, 1995	13.33	13.50	13.33	13.50
1187	NASDAQ	ATRI	Tue, Jun 27, 1995	13.17	13.17	13.17	13.17
1186	NASDAQ	ATRI	Mon, Jun 26, 1995	13.50	13.50	13.33	13.33
1185	NASDAQ	ATRI	Mon, Jun 19, 1995	13.17	13.17	13.17	13.17
1184	NASDAQ	ATRI	Fri, Jun 16, 1995	13.17	13.17	13.17	13.17
1183	NASDAQ	ATRI	Wed, Jun 14, 1995	13.33	13.50	13.00	13.50
1182	NASDAQ	ATRI	Mon, Jun 12, 1995	13.00	13.00	13.00	13.00
1181	NASDAQ	ATRI	Fri, Jun 9, 1995	13.00	13.17	13.00	13.00
1180	NASDAQ	ATRI	Thu, Jun 8, 1995	13.50	13.50	13.50	13.50
1179	NASDAQ	ATRI	Wed, Jun 7, 1995	13.50	13.50	13.00	13.08
1178	NASDAQ	ATRI	Tue, Jun 6, 1995	13.50	13.50	13.08	13.08
1177	NASDAQ	ATRI	Mon, Jun 5, 1995	13.00	13.50	13.00	13.33
1176	NASDAQ	ATRI	Fri, Jun 2, 1995	12.83	13.50	12.83	13.33
1175	NASDAQ	ATRI	Thu, Jun 1, 1995	12.83	13.33	12.83	13.33
1174	NASDAQ	ATRI	Wed, May 31, 1995	13.17	13.17	12.83	12.83
1173	NASDAQ	ATRI	Tue, May 30, 1995	12.83	12.83	12.83	12.83
1172	NASDAQ	ATRI	Fri, May 26, 1995	12.83	13.00	12.83	13.00
1171	NASDAQ	ATRI	Thu, May 25, 1995	12.83	12.83	12.83	12.83
1170	NASDAQ	ATRI	Tue, May 23, 1995	12.67	13.00	12.67	13.00
1169	NASDAQ	ATRI	Fri, May 19, 1995	12.67	12.67	12.67	12.67
1168	NASDAQ	ATRI	Thu, May 18, 1995	12.67	13.00	12.67	13.00
1167	NASDAQ	ATRI	Wed, May 17, 1995	12.67	12.67	12.67	12.67
1166	NASDAQ	ATRI	Tue, May 16, 1995	13.00	13.17	12.67	12.67
1165	NASDAQ	ATRI	Mon, May 15, 1995	12.92	13.17	12.92	13.17
1164	NASDAQ	ATRI	Fri, May 12, 1995	13.00	13.00	12.67	13.00
1163	NASDAQ	ATRI	Thu, May 11, 1995	12.67	12.83	12.67	12.67
1162	NASDAQ	ATRI	Wed, May 10, 1995	12.67	12.67	12.67	12.67
1161	NASDAQ	ATRI	Tue, May 9, 1995	13.17	13.17	12.67	12.67
1160	NASDAQ	ATRI	Mon, May 8, 1995	13.17	13.17	12.92	12.92
1159	NASDAQ	ATRI	Fri, May 5, 1995	12.50	13.17	12.50	12.67
1158	NASDAQ	ATRI	Thu, May 4, 1995	12.17	12.42	12.17	12.42
1157	NASDAQ	ATRI	Wed, May 3, 1995	12.33	12.50	12.33	12.33
1156	NASDAQ	ATRI	Tue, May 2, 1995	11.83	12.00	11.83	12.00
1155	NASDAQ	ATRI	Mon, May 1, 1995	12.00	12.00	12.00	12.00
1154	NASDAQ	ATRI	Thu, Apr 27, 1995	12.25	12.25	12.00	12.00
1153	NASDAQ	ATRI	Thu, Apr 20, 1995	12.08	12.25	12.08	12.25
1152	NASDAQ	ATRI	Wed, Apr 19, 1995	12.00	12.00	12.00	12.00
1151	NASDAQ	ATRI	Tue, Apr 18, 1995	12.17	12.17	12.00	12.00
1150	NASDAQ	ATRI	Mon, Apr 17, 1995	12.17	12.17	11.83	11.83
1149	NASDAQ	ATRI	Thu, Apr 13, 1995	12.17	12.17	12.17	12.17
1148	NASDAQ	ATRI	Wed, Apr 12, 1995	12.17	12.33	11.75	11.75
1147	NASDAQ	ATRI	Tue, Apr 11, 1995	12.17	12.17	12.17	12.17
1146	NASDAQ	ATRI	Mon, Apr 10, 1995	12.33	12.33	12.33	12.33
1145	NASDAQ	ATRI	Fri, Apr 7, 1995	12.17	12.50	12.17	12.17
1144	NASDAQ	ATRI	Thu, Apr 6, 1995	12.17	12.17	12.17	12.17
1143	NASDAQ	ATRI	Wed, Apr 5, 1995	12.17	12.17	12.17	12.17
1142	NASDAQ	ATRI	Mon, Apr 3, 1995	12.17	12.17	12.17	12.17
1141	NASDAQ	ATRI	Fri, Mar 31, 1995	12.67	12.67	12.67	12.67
1140	NASDAQ	ATRI	Thu, Mar 30, 1995	12.17	12.17	12.17	12.17
1139	NASDAQ	ATRI	Tue, Mar 28, 1995	12.33	12.33	12.17	12.17
1138	NASDAQ	ATRI	Mon, Mar 27, 1995	12.83	12.83	12.83	12.83
1137	NASDAQ	ATRI	Fri, Mar 24, 1995	12.50	12.50	12.50	12.50
1136	NASDAQ	ATRI	Thu, Mar 23, 1995	12.50	12.83	12.50	12.83
1135	NASDAQ	ATRI	Wed, Mar 22, 1995	13.00	13.00	13.00	13.00
1134	NASDAQ	ATRI	Tue, Mar 21, 1995	12.83	12.83	12.83	12.83
1133	NASDAQ	ATRI	Mon, Mar 20, 1995	12.83	12.83	12.50	12.58
1132	NASDAQ	ATRI	Fri, Mar 17, 1995	12.83	13.17	12.83	13.17
1131	NASDAQ	ATRI	Thu, Mar 16, 1995	12.83	12.83	12.83	12.83
1130	NASDAQ	ATRI	Tue, Mar 14, 1995	12.83	13.17	12.83	13.17
1129	NASDAQ	ATRI	Mon, Mar 13, 1995	13.17	13.17	12.67	13.08
1128	NASDAQ	ATRI	Thu, Mar 9, 1995	12.67	12.67	12.67	12.67
1127	NASDAQ	ATRI	Wed, Mar 8, 1995	12.50	12.83	12.50	12.75
1126	NASDAQ	ATRI	Tue, Mar 7, 1995	12.83	12.83	12.50	12.50
1125	NASDAQ	ATRI	Mon, Mar 6, 1995	13.00	13.00	13.00	13.00
1124	NASDAQ	ATRI	Fri, Mar 3, 1995	13.00	13.00	13.00	13.00
1123	NASDAQ	ATRI	Wed, Mar 1, 1995	12.50	12.50	12.50	12.50
1122	NASDAQ	ATRI	Tue, Feb 28, 1995	12.58	12.58	12.58	12.58
1121	NASDAQ	ATRI	Mon, Feb 27, 1995	12.33	12.83	12.33	12.83
1120	NASDAQ	ATRI	Fri, Feb 24, 1995	12.83	12.83	12.33	12.83
1119	NASDAQ	ATRI	Thu, Feb 23, 1995	12.00	12.33	12.00	12.33
1118	NASDAQ	ATRI	Wed, Feb 22, 1995	11.67	11.67	11.67	11.67
1117	NASDAQ	ATRI	Tue, Feb 21, 1995	11.67	11.83	11.67	11.83
1116	NASDAQ	ATRI	Fri, Feb 17, 1995	11.50	11.67	11.50	11.67
1115	NASDAQ	ATRI	Thu, Feb 16, 1995	11.50	11.50	11.50	11.50
1114	NASDAQ	ATRI	Wed, Feb 15, 1995	11.50	11.67	11.17	11.67
1113	NASDAQ	ATRI	Tue, Feb 14, 1995	11.50	11.67	11.50	11.50
1112	NASDAQ	ATRI	Mon, Feb 13, 1995	11.50	11.50	11.33	11.50
1111	NASDAQ	ATRI	Fri, Feb 10, 1995	11.58	11.58	11.33	11.50
1110	NASDAQ	ATRI	Thu, Feb 9, 1995	11.33	11.33	11.33	11.33
1109	NASDAQ	ATRI	Wed, Feb 8, 1995	11.33	11.33	11.33	11.33
1108	NASDAQ	ATRI	Tue, Feb 7, 1995	11.50	11.50	11.25	11.25
1107	NASDAQ	ATRI	Mon, Feb 6, 1995	11.67	11.67	11.17	11.17
1106	NASDAQ	ATRI	Fri, Feb 3, 1995	11.50	11.50	11.17	11.50
1105	NASDAQ	ATRI	Wed, Feb 1, 1995	11.00	11.42	11.00	11.42
1104	NASDAQ	ATRI	Tue, Jan 31, 1995	11.50	11.50	11.00	11.00
1103	NASDAQ	ATRI	Mon, Jan 30, 1995	11.50	11.50	11.00	11.00
1102	NASDAQ	ATRI	Fri, Jan 27, 1995	11.00	11.00	11.00	11.00
1101	NASDAQ	ATRI	Thu, Jan 26, 1995	11.50	11.50	11.50	11.50
1100	NASDAQ	ATRI	Wed, Jan 25, 1995	11.33	11.33	11.33	11.33
1099	NASDAQ	ATRI	Tue, Jan 24, 1995	11.17	11.33	11.00	11.33
1098	NASDAQ	ATRI	Mon, Jan 23, 1995	11.17	11.17	11.17	11.17
1097	NASDAQ	ATRI	Fri, Jan 20, 1995	11.33	11.33	11.17	11.33
1096	NASDAQ	ATRI	Thu, Jan 19, 1995	11.17	11.17	11.17	11.17
1095	NASDAQ	ATRI	Wed, Jan 18, 1995	11.17	11.33	11.17	11.33
1094	NASDAQ	ATRI	Tue, Jan 17, 1995	11.00	11.25	11.00	11.25
1093	NASDAQ	ATRI	Thu, Jan 12, 1995	11.25	11.25	11.25	11.25
1092	NASDAQ	ATRI	Wed, Jan 11, 1995	11.25	11.33	11.25	11.33
1091	NASDAQ	ATRI	Tue, Jan 10, 1995	11.50	11.50	11.00	11.33
1090	NASDAQ	ATRI	Mon, Jan 9, 1995	11.50	11.50	11.00	11.00
1089	NASDAQ	ATRI	Fri, Jan 6, 1995	11.42	11.42	11.00	11.17
1088	NASDAQ	ATRI	Thu, Jan 5, 1995	11.00	11.00	11.00	11.00
1087	NASDAQ	ATRI	Wed, Jan 4, 1995	11.00	11.50	11.00	11.00
1086	NASDAQ	ATRI	Fri, Dec 30, 1994	11.17	11.67	11.00	11.00
1085	NASDAQ	ATRI	Thu, Dec 29, 1994	11.33	11.67	11.33	11.33
1084	NASDAQ	ATRI	Wed, Dec 28, 1994	11.33	11.33	11.33	11.33
1083	NASDAQ	ATRI	Tue, Dec 27, 1994	11.33	11.83	11.33	11.67
1082	NASDAQ	ATRI	Fri, Dec 23, 1994	11.67	11.67	11.67	11.67
1081	NASDAQ	ATRI	Thu, Dec 22, 1994	11.33	11.50	11.33	11.50
1080	NASDAQ	ATRI	Wed, Dec 21, 1994	11.33	11.33	11.33	11.33
1079	NASDAQ	ATRI	Tue, Dec 20, 1994	11.75	12.00	11.33	11.33
1078	NASDAQ	ATRI	Mon, Dec 19, 1994	11.33	11.50	11.33	11.33
1077	NASDAQ	ATRI	Fri, Dec 16, 1994	11.33	11.33	11.33	11.33
1076	NASDAQ	ATRI	Thu, Dec 15, 1994	11.33	11.33	11.33	11.33
1075	NASDAQ	ATRI	Wed, Dec 14, 1994	11.33	11.33	11.33	11.33
1074	NASDAQ	ATRI	Tue, Dec 13, 1994	12.00	12.00	11.50	11.83
1073	NASDAQ	ATRI	Mon, Dec 12, 1994	11.67	11.67	11.50	11.50
1072	NASDAQ	ATRI	Fri, Dec 9, 1994	11.83	11.83	11.50	11.50
1071	NASDAQ	ATRI	Thu, Dec 8, 1994	12.00	12.00	11.50	11.50
1070	NASDAQ	ATRI	Tue, Dec 6, 1994	12.00	12.00	12.00	12.00
1069	NASDAQ	ATRI	Mon, Dec 5, 1994	11.33	11.33	11.33	11.33
1068	NASDAQ	ATRI	Fri, Dec 2, 1994	11.67	11.67	11.67	11.67
1067	NASDAQ	ATRI	Thu, Dec 1, 1994	11.42	11.42	11.42	11.42
1066	NASDAQ	ATRI	Wed, Nov 30, 1994	11.33	11.67	11.33	11.67
1065	NASDAQ	ATRI	Mon, Nov 28, 1994	11.42	11.58	11.42	11.58
1064	NASDAQ	ATRI	Fri, Nov 25, 1994	11.67	11.67	11.33	11.58
1063	NASDAQ	ATRI	Wed, Nov 23, 1994	11.67	11.67	11.67	11.67
1062	NASDAQ	ATRI	Tue, Nov 22, 1994	11.67	11.67	11.33	11.33
1061	NASDAQ	ATRI	Mon, Nov 21, 1994	11.50	11.50	11.33	11.33
1060	NASDAQ	ATRI	Fri, Nov 18, 1994	11.58	11.67	11.58	11.67
1059	NASDAQ	ATRI	Thu, Nov 17, 1994	11.67	11.67	11.33	11.67
1058	NASDAQ	ATRI	Wed, Nov 16, 1994	11.83	11.83	11.67	11.67
1057	NASDAQ	ATRI	Tue, Nov 15, 1994	11.67	12.00	11.33	12.00
1056	NASDAQ	ATRI	Mon, Nov 14, 1994	12.00	12.00	12.00	12.00
1055	NASDAQ	ATRI	Fri, Nov 11, 1994	12.17	12.33	12.17	12.25
1054	NASDAQ	ATRI	Thu, Nov 10, 1994	12.00	12.33	12.00	12.17
1053	NASDAQ	ATRI	Wed, Nov 9, 1994	12.00	12.00	12.00	12.00
1052	NASDAQ	ATRI	Mon, Nov 7, 1994	12.33	12.33	12.33	12.33
1051	NASDAQ	ATRI	Fri, Nov 4, 1994	12.33	12.33	12.00	12.00
1050	NASDAQ	ATRI	Mon, Oct 31, 1994	12.00	12.00	12.00	12.00
1049	NASDAQ	ATRI	Fri, Oct 28, 1994	12.00	12.08	12.00	12.08
1048	NASDAQ	ATRI	Wed, Oct 26, 1994	12.17	12.17	12.00	12.00
1047	NASDAQ	ATRI	Tue, Oct 25, 1994	12.33	12.33	12.00	12.17
1046	NASDAQ	ATRI	Mon, Oct 24, 1994	12.17	12.17	12.17	12.17
1045	NASDAQ	ATRI	Thu, Oct 20, 1994	12.33	12.33	11.83	11.83
1044	NASDAQ	ATRI	Wed, Oct 19, 1994	11.83	11.83	11.83	11.83
1043	NASDAQ	ATRI	Tue, Oct 18, 1994	12.33	12.33	11.83	12.33
1042	NASDAQ	ATRI	Mon, Oct 17, 1994	12.33	12.33	11.83	12.33
1041	NASDAQ	ATRI	Fri, Oct 14, 1994	11.83	12.33	11.83	12.33
1040	NASDAQ	ATRI	Wed, Oct 12, 1994	12.33	12.33	12.33	12.33
1039	NASDAQ	ATRI	Tue, Oct 11, 1994	12.17	12.17	12.17	12.17
1038	NASDAQ	ATRI	Mon, Oct 10, 1994	11.83	12.33	11.83	11.83
1037	NASDAQ	ATRI	Fri, Oct 7, 1994	11.92	11.92	11.92	11.92
1036	NASDAQ	ATRI	Wed, Oct 5, 1994	11.96	11.96	11.96	11.96
1035	NASDAQ	ATRI	Tue, Oct 4, 1994	12.08	12.08	12.00	12.00
1034	NASDAQ	ATRI	Mon, Oct 3, 1994	12.33	12.33	12.33	12.33
1033	NASDAQ	ATRI	Fri, Sep 30, 1994	12.17	12.17	12.00	12.00
1032	NASDAQ	ATRI	Thu, Sep 29, 1994	12.00	12.00	12.00	12.00
1031	NASDAQ	ATRI	Wed, Sep 28, 1994	12.00	12.00	12.00	12.00
1030	NASDAQ	ATRI	Tue, Sep 27, 1994	12.17	12.17	12.17	12.17
1029	NASDAQ	ATRI	Mon, Sep 26, 1994	12.33	12.33	12.17	12.17
1028	NASDAQ	ATRI	Fri, Sep 23, 1994	12.33	12.33	12.33	12.33
1027	NASDAQ	ATRI	Thu, Sep 22, 1994	12.33	12.33	12.00	12.00
1026	NASDAQ	ATRI	Wed, Sep 21, 1994	12.17	12.17	11.83	11.83
1025	NASDAQ	ATRI	Tue, Sep 20, 1994	11.83	12.33	11.83	12.33
1024	NASDAQ	ATRI	Mon, Sep 19, 1994	11.83	12.00	11.83	12.00
1023	NASDAQ	ATRI	Fri, Sep 16, 1994	12.00	12.17	12.00	12.17
1022	NASDAQ	ATRI	Thu, Sep 15, 1994	11.83	11.83	11.83	11.83
1021	NASDAQ	ATRI	Wed, Sep 14, 1994	11.83	11.83	11.83	11.83
1020	NASDAQ	ATRI	Tue, Sep 13, 1994	11.83	12.33	11.83	11.83
1019	NASDAQ	ATRI	Mon, Sep 12, 1994	12.17	12.17	11.83	11.83
1018	NASDAQ	ATRI	Fri, Sep 9, 1994	11.67	12.00	11.67	11.67
1017	NASDAQ	ATRI	Thu, Sep 8, 1994	11.67	11.67	11.67	11.67
1016	NASDAQ	ATRI	Wed, Sep 7, 1994	12.00	12.00	11.67	12.00
1015	NASDAQ	ATRI	Fri, Sep 2, 1994	11.67	12.00	11.67	11.83
1014	NASDAQ	ATRI	Thu, Sep 1, 1994	12.00	12.00	11.67	11.67
1013	NASDAQ	ATRI	Wed, Aug 31, 1994	11.83	12.00	11.83	12.00
1012	NASDAQ	ATRI	Tue, Aug 30, 1994	12.00	12.00	11.83	11.83
1011	NASDAQ	ATRI	Mon, Aug 29, 1994	12.00	12.00	11.67	11.67
1010	NASDAQ	ATRI	Fri, Aug 26, 1994	11.67	11.67	11.67	11.67
1009	NASDAQ	ATRI	Thu, Aug 25, 1994	11.67	11.92	11.67	11.67
1008	NASDAQ	ATRI	Wed, Aug 24, 1994	11.67	12.00	11.67	11.67
1007	NASDAQ	ATRI	Tue, Aug 23, 1994	11.67	11.67	11.67	11.67
1006	NASDAQ	ATRI	Mon, Aug 22, 1994	11.83	12.00	11.67	12.00
1005	NASDAQ	ATRI	Thu, Aug 18, 1994	11.67	11.67	11.67	11.67
1004	NASDAQ	ATRI	Wed, Aug 17, 1994	11.92	11.92	11.92	11.92
1003	NASDAQ	ATRI	Tue, Aug 16, 1994	12.00	12.00	12.00	12.00
1002	NASDAQ	ATRI	Mon, Aug 15, 1994	11.67	12.00	11.67	11.67
1001	NASDAQ	ATRI	Fri, Aug 12, 1994	11.67	11.83	11.67	11.83
1000	NASDAQ	ATRI	Thu, Aug 11, 1994	12.00	12.00	11.67	11.67
999	NASDAQ	ATRI	Wed, Aug 10, 1994	11.67	11.67	11.67	11.67
998	NASDAQ	ATRI	Tue, Aug 9, 1994	11.67	12.00	11.67	12.00
997	NASDAQ	ATRI	Mon, Aug 8, 1994	11.83	11.83	11.83	11.83
996	NASDAQ	ATRI	Fri, Aug 5, 1994	11.67	12.17	11.67	12.00
995	NASDAQ	ATRI	Thu, Aug 4, 1994	11.83	11.83	11.83	11.83
994	NASDAQ	ATRI	Mon, Aug 1, 1994	12.17	12.17	11.92	12.00
993	NASDAQ	ATRI	Fri, Jul 29, 1994	12.17	12.17	12.17	12.17
992	NASDAQ	ATRI	Wed, Jul 27, 1994	11.67	11.67	11.67	11.67
991	NASDAQ	ATRI	Tue, Jul 26, 1994	11.67	11.67	11.67	11.67
990	NASDAQ	ATRI	Fri, Jul 22, 1994	11.67	11.67	11.67	11.67
989	NASDAQ	ATRI	Thu, Jul 21, 1994	11.67	12.00	11.67	12.00
988	NASDAQ	ATRI	Wed, Jul 20, 1994	11.67	12.17	11.67	11.67
987	NASDAQ	ATRI	Tue, Jul 19, 1994	11.67	11.83	11.67	11.67
986	NASDAQ	ATRI	Mon, Jul 18, 1994	11.83	12.00	11.67	12.00
985	NASDAQ	ATRI	Fri, Jul 15, 1994	11.67	11.67	11.67	11.67
984	NASDAQ	ATRI	Thu, Jul 14, 1994	11.67	12.00	11.67	12.00
983	NASDAQ	ATRI	Wed, Jul 13, 1994	11.67	12.17	11.67	11.67
982	NASDAQ	ATRI	Tue, Jul 12, 1994	12.25	12.25	12.00	12.00
981	NASDAQ	ATRI	Mon, Jul 11, 1994	12.33	12.33	12.00	12.33
980	NASDAQ	ATRI	Fri, Jul 8, 1994	12.17	12.17	12.17	12.17
979	NASDAQ	ATRI	Thu, Jul 7, 1994	12.33	12.33	12.33	12.33
978	NASDAQ	ATRI	Wed, Jul 6, 1994	12.33	12.33	12.17	12.17
977	NASDAQ	ATRI	Fri, Jul 1, 1994	12.00	12.50	12.00	12.50
976	NASDAQ	ATRI	Thu, Jun 30, 1994	12.50	12.50	12.50	12.50
975	NASDAQ	ATRI	Wed, Jun 29, 1994	12.08	12.42	12.08	12.42
974	NASDAQ	ATRI	Tue, Jun 28, 1994	12.00	12.50	12.00	12.50
973	NASDAQ	ATRI	Mon, Jun 27, 1994	12.17	12.17	12.17	12.17
972	NASDAQ	ATRI	Fri, Jun 24, 1994	12.17	12.50	12.17	12.50
971	NASDAQ	ATRI	Thu, Jun 23, 1994	12.33	12.33	12.33	12.33
970	NASDAQ	ATRI	Wed, Jun 22, 1994	12.33	12.33	12.33	12.33
969	NASDAQ	ATRI	Tue, Jun 21, 1994	12.33	12.67	12.33	12.67
968	NASDAQ	ATRI	Mon, Jun 20, 1994	12.33	12.33	12.33	12.33
967	NASDAQ	ATRI	Fri, Jun 17, 1994	12.67	12.67	12.33	12.33
966	NASDAQ	ATRI	Thu, Jun 16, 1994	12.83	12.83	12.33	12.33
965	NASDAQ	ATRI	Wed, Jun 15, 1994	12.33	12.33	12.33	12.33
964	NASDAQ	ATRI	Tue, Jun 14, 1994	12.50	12.50	12.50	12.50
963	NASDAQ	ATRI	Mon, Jun 13, 1994	12.67	12.83	12.67	12.83
962	NASDAQ	ATRI	Fri, Jun 10, 1994	13.00	13.00	13.00	13.00
961	NASDAQ	ATRI	Thu, Jun 9, 1994	12.33	12.33	12.33	12.33
960	NASDAQ	ATRI	Wed, Jun 8, 1994	13.00	13.00	12.33	12.33
959	NASDAQ	ATRI	Tue, Jun 7, 1994	12.83	12.83	12.50	12.50
958	NASDAQ	ATRI	Mon, Jun 6, 1994	12.33	12.50	12.33	12.33
957	NASDAQ	ATRI	Fri, Jun 3, 1994	12.83	12.83	12.33	12.33
956	NASDAQ	ATRI	Thu, Jun 2, 1994	12.33	12.33	12.33	12.33
955	NASDAQ	ATRI	Wed, Jun 1, 1994	12.33	12.33	12.33	12.33
954	NASDAQ	ATRI	Tue, May 31, 1994	12.83	12.83	12.83	12.83
953	NASDAQ	ATRI	Fri, May 27, 1994	12.33	12.50	12.33	12.50
952	NASDAQ	ATRI	Thu, May 26, 1994	12.33	12.33	12.33	12.33
951	NASDAQ	ATRI	Tue, May 24, 1994	12.33	12.33	12.33	12.33
950	NASDAQ	ATRI	Mon, May 23, 1994	12.83	12.83	12.83	12.83
949	NASDAQ	ATRI	Fri, May 20, 1994	12.33	12.33	12.33	12.33
948	NASDAQ	ATRI	Thu, May 19, 1994	12.33	12.33	12.33	12.33
947	NASDAQ	ATRI	Wed, May 18, 1994	12.33	12.67	12.33	12.67
946	NASDAQ	ATRI	Tue, May 17, 1994	12.33	12.83	12.33	12.83
945	NASDAQ	ATRI	Mon, May 16, 1994	12.33	12.33	12.33	12.33
944	NASDAQ	ATRI	Fri, May 13, 1994	12.83	12.83	12.83	12.83
943	NASDAQ	ATRI	Thu, May 12, 1994	12.83	12.83	12.33	12.33
942	NASDAQ	ATRI	Tue, May 10, 1994	12.67	12.67	12.33	12.33
941	NASDAQ	ATRI	Mon, May 9, 1994	12.83	13.00	12.83	12.83
940	NASDAQ	ATRI	Fri, May 6, 1994	12.33	12.83	12.33	12.83
939	NASDAQ	ATRI	Thu, May 5, 1994	12.67	12.83	12.33	12.83
938	NASDAQ	ATRI	Wed, May 4, 1994	12.83	12.83	12.83	12.83
937	NASDAQ	ATRI	Tue, May 3, 1994	13.00	13.33	12.50	12.83
936	NASDAQ	ATRI	Mon, May 2, 1994	13.50	13.50	13.00	13.00
935	NASDAQ	ATRI	Fri, Apr 29, 1994	13.00	13.00	13.00	13.00
934	NASDAQ	ATRI	Thu, Apr 28, 1994	13.67	13.67	13.67	13.67
933	NASDAQ	ATRI	Tue, Apr 26, 1994	13.67	13.67	13.00	13.33
932	NASDAQ	ATRI	Mon, Apr 25, 1994	13.50	13.50	13.00	13.00
931	NASDAQ	ATRI	Fri, Apr 22, 1994	13.50	13.50	13.50	13.50
930	NASDAQ	ATRI	Thu, Apr 21, 1994	13.50	13.50	13.00	13.00
929	NASDAQ	ATRI	Wed, Apr 20, 1994	13.50	13.50	13.00	13.50
928	NASDAQ	ATRI	Tue, Apr 19, 1994	13.00	13.50	13.00	13.50
927	NASDAQ	ATRI	Mon, Apr 18, 1994	13.00	13.00	13.00	13.00
926	NASDAQ	ATRI	Fri, Apr 15, 1994	13.00	13.00	13.00	13.00
925	NASDAQ	ATRI	Thu, Apr 14, 1994	13.17	13.17	13.00	13.00
924	NASDAQ	ATRI	Wed, Apr 13, 1994	13.17	13.17	13.17	13.17
923	NASDAQ	ATRI	Mon, Apr 11, 1994	13.17	13.67	13.17	13.50
922	NASDAQ	ATRI	Fri, Apr 8, 1994	13.17	13.17	13.17	13.17
921	NASDAQ	ATRI	Thu, Apr 7, 1994	13.67	13.67	13.17	13.17
920	NASDAQ	ATRI	Wed, Apr 6, 1994	13.67	13.67	13.33	13.67
919	NASDAQ	ATRI	Tue, Apr 5, 1994	13.67	13.67	13.17	13.17
918	NASDAQ	ATRI	Mon, Apr 4, 1994	13.00	13.50	13.00	13.00
917	NASDAQ	ATRI	Thu, Mar 31, 1994	14.00	14.00	13.33	13.42
916	NASDAQ	ATRI	Wed, Mar 30, 1994	13.67	13.83	13.67	13.83
915	NASDAQ	ATRI	Tue, Mar 29, 1994	14.00	14.00	13.83	14.00
914	NASDAQ	ATRI	Mon, Mar 28, 1994	13.83	14.00	13.67	13.92
913	NASDAQ	ATRI	Fri, Mar 25, 1994	14.50	14.50	14.17	14.17
912	NASDAQ	ATRI	Thu, Mar 24, 1994	14.17	14.50	14.17	14.50
911	NASDAQ	ATRI	Wed, Mar 23, 1994	14.50	14.50	14.17	14.50
910	NASDAQ	ATRI	Tue, Mar 22, 1994	14.17	14.67	14.17	14.33
909	NASDAQ	ATRI	Fri, Mar 18, 1994	14.17	14.50	14.17	14.50
908	NASDAQ	ATRI	Thu, Mar 17, 1994	14.50	14.50	14.17	14.17
907	NASDAQ	ATRI	Wed, Mar 16, 1994	14.67	14.67	14.17	14.50
906	NASDAQ	ATRI	Tue, Mar 15, 1994	14.17	14.67	14.17	14.67
905	NASDAQ	ATRI	Mon, Mar 14, 1994	14.17	14.17	14.17	14.17
904	NASDAQ	ATRI	Fri, Mar 11, 1994	14.42	14.83	14.42	14.83
903	NASDAQ	ATRI	Wed, Mar 9, 1994	14.42	14.42	14.42	14.42
902	NASDAQ	ATRI	Tue, Mar 8, 1994	14.50	14.50	14.17	14.17
901	NASDAQ	ATRI	Mon, Mar 7, 1994	14.17	14.50	14.17	14.50
900	NASDAQ	ATRI	Fri, Mar 4, 1994	14.17	14.33	14.17	14.17
899	NASDAQ	ATRI	Thu, Mar 3, 1994	14.17	14.17	14.17	14.17
898	NASDAQ	ATRI	Tue, Mar 1, 1994	14.67	14.67	14.67	14.67
897	NASDAQ	ATRI	Mon, Feb 28, 1994	14.17	14.67	14.17	14.67
896	NASDAQ	ATRI	Thu, Feb 24, 1994	14.17	14.17	14.17	14.17
895	NASDAQ	ATRI	Wed, Feb 23, 1994	14.17	14.17	14.17	14.17
894	NASDAQ	ATRI	Fri, Feb 18, 1994	14.67	14.67	14.17	14.17
893	NASDAQ	ATRI	Thu, Feb 17, 1994	14.67	14.67	14.67	14.67
892	NASDAQ	ATRI	Wed, Feb 16, 1994	14.17	14.17	14.17	14.17
891	NASDAQ	ATRI	Tue, Feb 15, 1994	14.17	14.17	14.17	14.17
890	NASDAQ	ATRI	Mon, Feb 14, 1994	14.50	14.67	14.17	14.67
889	NASDAQ	ATRI	Fri, Feb 11, 1994	14.17	14.67	14.17	14.17
888	NASDAQ	ATRI	Thu, Feb 10, 1994	14.00	14.67	14.00	14.00
887	NASDAQ	ATRI	Wed, Feb 9, 1994	14.67	14.67	14.67	14.67
886	NASDAQ	ATRI	Tue, Feb 8, 1994	14.00	14.67	14.00	14.67
885	NASDAQ	ATRI	Mon, Feb 7, 1994	14.00	14.00	14.00	14.00
884	NASDAQ	ATRI	Fri, Feb 4, 1994	14.17	14.17	13.50	14.00
883	NASDAQ	ATRI	Thu, Feb 3, 1994	14.17	14.17	13.50	13.83
882	NASDAQ	ATRI	Wed, Feb 2, 1994	13.67	13.67	13.67	13.67
881	NASDAQ	ATRI	Tue, Feb 1, 1994	14.17	14.17	14.00	14.00
880	NASDAQ	ATRI	Mon, Jan 31, 1994	14.17	14.17	13.67	13.83
879	NASDAQ	ATRI	Fri, Jan 28, 1994	14.17	14.17	13.67	13.67
878	NASDAQ	ATRI	Thu, Jan 27, 1994	13.67	14.00	13.67	14.00
877	NASDAQ	ATRI	Wed, Jan 26, 1994	13.83	13.83	13.33	13.58
876	NASDAQ	ATRI	Tue, Jan 25, 1994	13.33	13.67	13.33	13.33
875	NASDAQ	ATRI	Mon, Jan 24, 1994	13.83	13.83	13.33	13.33
874	NASDAQ	ATRI	Fri, Jan 21, 1994	13.83	13.83	13.33	13.83
873	NASDAQ	ATRI	Thu, Jan 20, 1994	13.33	13.33	13.33	13.33
872	NASDAQ	ATRI	Wed, Jan 19, 1994	13.67	13.67	13.33	13.33
871	NASDAQ	ATRI	Tue, Jan 18, 1994	13.83	13.83	13.33	13.33
870	NASDAQ	ATRI	Mon, Jan 17, 1994	13.67	13.83	13.33	13.67
869	NASDAQ	ATRI	Fri, Jan 14, 1994	13.17	13.67	13.17	13.67
868	NASDAQ	ATRI	Thu, Jan 13, 1994	13.17	13.67	13.17	13.17
867	NASDAQ	ATRI	Wed, Jan 12, 1994	13.67	13.67	13.17	13.17
866	NASDAQ	ATRI	Tue, Jan 11, 1994	13.67	13.67	13.17	13.33
865	NASDAQ	ATRI	Mon, Jan 10, 1994	13.17	13.50	13.17	13.17
864	NASDAQ	ATRI	Fri, Jan 7, 1994	13.67	13.67	13.33	13.33
863	NASDAQ	ATRI	Thu, Jan 6, 1994	13.50	13.67	13.33	13.58
862	NASDAQ	ATRI	Wed, Jan 5, 1994	13.50	13.83	13.50	13.83
861	NASDAQ	ATRI	Tue, Jan 4, 1994	14.00	14.00	13.67	13.83
860	NASDAQ	ATRI	Mon, Jan 3, 1994	14.00	14.00	13.50	13.83
859	NASDAQ	ATRI	Fri, Dec 31, 1993	13.50	13.83	13.50	13.50
858	NASDAQ	ATRI	Thu, Dec 30, 1993	13.83	13.83	13.50	13.50
857	NASDAQ	ATRI	Wed, Dec 29, 1993	13.50	13.50	13.50	13.50
856	NASDAQ	ATRI	Tue, Dec 28, 1993	13.83	13.83	13.75	13.75
855	NASDAQ	ATRI	Mon, Dec 27, 1993	13.83	13.83	13.33	13.83
854	NASDAQ	ATRI	Thu, Dec 23, 1993	13.67	13.83	13.33	13.33
853	NASDAQ	ATRI	Wed, Dec 22, 1993	13.83	14.00	13.33	13.33
852	NASDAQ	ATRI	Tue, Dec 21, 1993	14.17	14.33	13.83	13.83
851	NASDAQ	ATRI	Mon, Dec 20, 1993	14.00	14.00	14.00	14.00
850	NASDAQ	ATRI	Fri, Dec 17, 1993	14.50	14.50	14.50	14.50
849	NASDAQ	ATRI	Thu, Dec 16, 1993	14.67	14.67	14.00	14.17
848	NASDAQ	ATRI	Wed, Dec 15, 1993	14.67	14.75	14.17	14.17
847	NASDAQ	ATRI	Tue, Dec 14, 1993	14.67	14.83	14.67	14.67
846	NASDAQ	ATRI	Mon, Dec 13, 1993	14.67	14.83	14.67	14.83
845	NASDAQ	ATRI	Fri, Dec 10, 1993	15.00	15.00	14.50	15.00
844	NASDAQ	ATRI	Thu, Dec 9, 1993	14.67	15.00	14.67	14.92
843	NASDAQ	ATRI	Wed, Dec 8, 1993	14.50	15.00	14.50	14.50
842	NASDAQ	ATRI	Tue, Dec 7, 1993	14.50	14.50	14.50	14.50
841	NASDAQ	ATRI	Mon, Dec 6, 1993	14.50	14.75	14.50	14.75
840	NASDAQ	ATRI	Fri, Dec 3, 1993	14.67	14.67	14.33	14.67
839	NASDAQ	ATRI	Thu, Dec 2, 1993	14.50	14.67	14.00	14.67
838	NASDAQ	ATRI	Wed, Dec 1, 1993	14.00	14.50	14.00	14.33
837	NASDAQ	ATRI	Tue, Nov 30, 1993	13.83	13.83	13.83	13.83
836	NASDAQ	ATRI	Mon, Nov 29, 1993	14.00	14.00	14.00	14.00
835	NASDAQ	ATRI	Fri, Nov 26, 1993	13.83	14.33	13.83	14.33
834	NASDAQ	ATRI	Wed, Nov 24, 1993	13.83	14.00	13.83	14.00
833	NASDAQ	ATRI	Tue, Nov 23, 1993	14.17	14.17	13.83	13.83
832	NASDAQ	ATRI	Mon, Nov 22, 1993	14.17	14.33	13.83	13.83
831	NASDAQ	ATRI	Fri, Nov 19, 1993	14.50	14.50	14.17	14.17
830	NASDAQ	ATRI	Thu, Nov 18, 1993	14.17	14.67	14.17	14.17
829	NASDAQ	ATRI	Wed, Nov 17, 1993	14.67	14.67	14.17	14.17
828	NASDAQ	ATRI	Tue, Nov 16, 1993	14.17	14.67	14.17	14.67
827	NASDAQ	ATRI	Mon, Nov 15, 1993	14.67	14.67	14.33	14.33
826	NASDAQ	ATRI	Fri, Nov 12, 1993	14.17	14.67	14.17	14.33
825	NASDAQ	ATRI	Thu, Nov 11, 1993	14.67	14.67	14.33	14.67
824	NASDAQ	ATRI	Wed, Nov 10, 1993	14.50	15.00	14.50	14.50
823	NASDAQ	ATRI	Tue, Nov 9, 1993	14.50	14.92	14.50	14.67
822	NASDAQ	ATRI	Mon, Nov 8, 1993	14.50	15.00	14.50	15.00
821	NASDAQ	ATRI	Fri, Nov 5, 1993	15.00	15.00	14.58	14.58
820	NASDAQ	ATRI	Thu, Nov 4, 1993	15.00	15.17	15.00	15.17
819	NASDAQ	ATRI	Wed, Nov 3, 1993	15.00	15.17	15.00	15.08
818	NASDAQ	ATRI	Tue, Nov 2, 1993	15.33	15.33	15.00	15.33
817	NASDAQ	ATRI	Mon, Nov 1, 1993	15.00	15.00	15.00	15.00
816	NASDAQ	ATRI	Thu, Oct 28, 1993	15.33	15.33	15.33	15.33
815	NASDAQ	ATRI	Wed, Oct 27, 1993	15.33	15.33	15.00	15.00
814	NASDAQ	ATRI	Tue, Oct 26, 1993	15.00	15.42	15.00	15.42
813	NASDAQ	ATRI	Mon, Oct 25, 1993	15.50	15.50	15.50	15.50
812	NASDAQ	ATRI	Fri, Oct 22, 1993	15.00	15.00	15.00	15.00
811	NASDAQ	ATRI	Thu, Oct 21, 1993	15.67	15.67	15.00	15.00
810	NASDAQ	ATRI	Wed, Oct 20, 1993	15.17	15.33	15.00	15.33
809	NASDAQ	ATRI	Tue, Oct 19, 1993	15.33	15.67	15.33	15.67
808	NASDAQ	ATRI	Mon, Oct 18, 1993	16.00	16.00	15.33	15.33
807	NASDAQ	ATRI	Fri, Oct 15, 1993	15.33	16.00	15.33	16.00
806	NASDAQ	ATRI	Thu, Oct 14, 1993	15.75	15.75	15.33	15.33
805	NASDAQ	ATRI	Tue, Oct 12, 1993	15.50	15.50	15.50	15.50
804	NASDAQ	ATRI	Fri, Oct 8, 1993	15.67	15.67	15.67	15.67
803	NASDAQ	ATRI	Thu, Oct 7, 1993	15.50	16.00	15.33	16.00
802	NASDAQ	ATRI	Wed, Oct 6, 1993	15.50	15.50	15.25	15.33
801	NASDAQ	ATRI	Tue, Oct 5, 1993	15.33	15.42	15.17	15.42
800	NASDAQ	ATRI	Mon, Oct 4, 1993	15.50	15.50	15.50	15.50
799	NASDAQ	ATRI	Fri, Oct 1, 1993	15.00	15.17	15.00	15.00
798	NASDAQ	ATRI	Thu, Sep 30, 1993	15.00	15.00	14.92	15.00
797	NASDAQ	ATRI	Wed, Sep 29, 1993	14.50	15.00	14.33	15.00
796	NASDAQ	ATRI	Tue, Sep 28, 1993	14.50	14.50	14.42	14.42
795	NASDAQ	ATRI	Mon, Sep 27, 1993	14.50	14.50	14.17	14.17
794	NASDAQ	ATRI	Fri, Sep 24, 1993	14.50	14.50	14.17	14.17
793	NASDAQ	ATRI	Thu, Sep 23, 1993	14.42	14.42	14.42	14.42
792	NASDAQ	ATRI	Wed, Sep 22, 1993	14.17	14.50	14.17	14.17
791	NASDAQ	ATRI	Tue, Sep 21, 1993	14.17	14.50	14.17	14.33
790	NASDAQ	ATRI	Mon, Sep 20, 1993	14.50	14.50	14.50	14.50
789	NASDAQ	ATRI	Fri, Sep 17, 1993	14.17	14.50	14.17	14.50
788	NASDAQ	ATRI	Thu, Sep 16, 1993	14.42	14.42	14.17	14.17
787	NASDAQ	ATRI	Wed, Sep 15, 1993	14.17	14.42	14.17	14.42
786	NASDAQ	ATRI	Tue, Sep 14, 1993	14.50	14.50	14.33	14.50
785	NASDAQ	ATRI	Mon, Sep 13, 1993	14.50	14.50	14.17	14.42
784	NASDAQ	ATRI	Fri, Sep 10, 1993	14.50	14.50	14.17	14.17
783	NASDAQ	ATRI	Thu, Sep 9, 1993	14.17	14.50	14.17	14.17
782	NASDAQ	ATRI	Wed, Sep 8, 1993	14.17	14.42	14.17	14.17
781	NASDAQ	ATRI	Tue, Sep 7, 1993	14.50	14.50	14.17	14.17
780	NASDAQ	ATRI	Fri, Sep 3, 1993	14.50	14.50	14.50	14.50
779	NASDAQ	ATRI	Thu, Sep 2, 1993	14.17	14.50	14.17	14.50
778	NASDAQ	ATRI	Wed, Sep 1, 1993	14.50	14.50	14.50	14.50
777	NASDAQ	ATRI	Tue, Aug 31, 1993	14.17	14.50	14.17	14.50
776	NASDAQ	ATRI	Mon, Aug 30, 1993	14.17	14.50	14.17	14.17
775	NASDAQ	ATRI	Fri, Aug 27, 1993	14.50	14.50	14.50	14.50
774	NASDAQ	ATRI	Thu, Aug 26, 1993	14.50	14.50	14.50	14.50
773	NASDAQ	ATRI	Wed, Aug 25, 1993	14.50	14.50	14.50	14.50
772	NASDAQ	ATRI	Tue, Aug 24, 1993	14.67	14.67	14.00	14.50
771	NASDAQ	ATRI	Mon, Aug 23, 1993	14.33	14.33	14.00	14.00
770	NASDAQ	ATRI	Fri, Aug 20, 1993	14.17	14.17	13.83	14.08
769	NASDAQ	ATRI	Thu, Aug 19, 1993	14.17	14.17	13.83	14.17
768	NASDAQ	ATRI	Wed, Aug 18, 1993	14.83	14.83	13.83	14.17
767	NASDAQ	ATRI	Tue, Aug 17, 1993	14.67	14.83	14.67	14.83
766	NASDAQ	ATRI	Mon, Aug 16, 1993	15.17	15.17	14.67	14.67
765	NASDAQ	ATRI	Fri, Aug 13, 1993	14.67	15.33	14.67	15.17
764	NASDAQ	ATRI	Thu, Aug 12, 1993	15.33	15.33	14.92	14.92
763	NASDAQ	ATRI	Wed, Aug 11, 1993	15.00	15.00	14.83	15.00
762	NASDAQ	ATRI	Tue, Aug 10, 1993	14.75	14.83	14.67	14.67
761	NASDAQ	ATRI	Mon, Aug 9, 1993	14.67	14.83	14.17	14.17
760	NASDAQ	ATRI	Fri, Aug 6, 1993	14.17	14.67	14.17	14.17
759	NASDAQ	ATRI	Thu, Aug 5, 1993	14.17	14.83	14.17	14.17
758	NASDAQ	ATRI	Wed, Aug 4, 1993	14.50	14.83	14.50	14.67
757	NASDAQ	ATRI	Tue, Aug 3, 1993	14.83	14.83	14.83	14.83
756	NASDAQ	ATRI	Mon, Aug 2, 1993	14.50	14.83	14.50	14.75
755	NASDAQ	ATRI	Fri, Jul 30, 1993	14.83	14.83	14.50	14.50
754	NASDAQ	ATRI	Thu, Jul 29, 1993	14.92	14.92	14.67	14.67
753	NASDAQ	ATRI	Wed, Jul 28, 1993	14.92	14.92	14.92	14.92
752	NASDAQ	ATRI	Tue, Jul 27, 1993	14.67	14.67	14.67	14.67
751	NASDAQ	ATRI	Mon, Jul 26, 1993	15.00	15.00	14.67	14.92
750	NASDAQ	ATRI	Fri, Jul 23, 1993	14.67	15.00	14.67	14.83
749	NASDAQ	ATRI	Thu, Jul 22, 1993	14.67	14.67	14.67	14.67
748	NASDAQ	ATRI	Wed, Jul 21, 1993	14.67	14.67	14.67	14.67
747	NASDAQ	ATRI	Tue, Jul 20, 1993	14.83	15.17	14.83	15.17
746	NASDAQ	ATRI	Mon, Jul 19, 1993	14.83	15.17	14.83	15.00
745	NASDAQ	ATRI	Fri, Jul 16, 1993	15.50	15.50	14.83	14.83
744	NASDAQ	ATRI	Thu, Jul 15, 1993	15.42	15.42	15.00	15.00
743	NASDAQ	ATRI	Mon, Jul 12, 1993	15.33	15.33	15.33	15.33
742	NASDAQ	ATRI	Fri, Jul 9, 1993	15.42	15.42	15.25	15.25
741	NASDAQ	ATRI	Thu, Jul 8, 1993	15.50	15.67	15.25	15.25
740	NASDAQ	ATRI	Wed, Jul 7, 1993	15.08	15.33	15.08	15.33
739	NASDAQ	ATRI	Tue, Jul 6, 1993	15.50	15.50	15.50	15.50
738	NASDAQ	ATRI	Fri, Jul 2, 1993	15.50	15.50	15.00	15.00
737	NASDAQ	ATRI	Thu, Jul 1, 1993	15.00	15.50	15.00	15.50
736	NASDAQ	ATRI	Wed, Jun 30, 1993	15.08	15.50	15.00	15.00
735	NASDAQ	ATRI	Tue, Jun 29, 1993	15.33	15.33	14.83	14.92
734	NASDAQ	ATRI	Mon, Jun 28, 1993	14.67	14.67	14.67	14.67
733	NASDAQ	ATRI	Fri, Jun 25, 1993	14.67	14.67	14.67	14.67
732	NASDAQ	ATRI	Thu, Jun 24, 1993	15.17	15.17	15.17	15.17
731	NASDAQ	ATRI	Wed, Jun 23, 1993	15.17	15.17	14.83	14.83
730	NASDAQ	ATRI	Tue, Jun 22, 1993	15.00	15.33	15.00	15.08
729	NASDAQ	ATRI	Mon, Jun 21, 1993	15.00	15.67	15.00	15.00
728	NASDAQ	ATRI	Fri, Jun 18, 1993	15.00	15.00	15.00	15.00
727	NASDAQ	ATRI	Thu, Jun 17, 1993	14.67	15.17	14.67	15.17
726	NASDAQ	ATRI	Wed, Jun 16, 1993	15.67	15.67	15.33	15.33
725	NASDAQ	ATRI	Tue, Jun 15, 1993	15.33	15.67	14.67	15.67
724	NASDAQ	ATRI	Mon, Jun 14, 1993	14.83	15.00	14.83	15.00
723	NASDAQ	ATRI	Fri, Jun 11, 1993	15.33	15.33	15.33	15.33
722	NASDAQ	ATRI	Thu, Jun 10, 1993	15.67	15.67	14.67	14.67
721	NASDAQ	ATRI	Wed, Jun 9, 1993	14.67	15.17	14.67	15.00
720	NASDAQ	ATRI	Tue, Jun 8, 1993	14.67	15.17	14.67	14.67
719	NASDAQ	ATRI	Mon, Jun 7, 1993	15.33	15.33	14.50	14.67
718	NASDAQ	ATRI	Fri, Jun 4, 1993	15.33	15.33	15.33	15.33
717	NASDAQ	ATRI	Thu, Jun 3, 1993	15.33	15.33	15.33	15.33
716	NASDAQ	ATRI	Wed, Jun 2, 1993	14.50	14.50	14.50	14.50
715	NASDAQ	ATRI	Tue, Jun 1, 1993	15.50	15.50	15.17	15.17
714	NASDAQ	ATRI	Fri, May 28, 1993	15.17	15.33	15.17	15.33
713	NASDAQ	ATRI	Wed, May 26, 1993	15.17	15.17	15.17	15.17
712	NASDAQ	ATRI	Tue, May 25, 1993	15.17	15.17	15.17	15.17
711	NASDAQ	ATRI	Mon, May 24, 1993	15.67	15.67	15.17	15.33
710	NASDAQ	ATRI	Thu, May 20, 1993	15.17	15.17	15.17	15.17
709	NASDAQ	ATRI	Wed, May 19, 1993	15.17	15.67	15.17	15.50
708	NASDAQ	ATRI	Tue, May 18, 1993	15.33	15.83	15.33	15.83
707	NASDAQ	ATRI	Mon, May 17, 1993	15.83	15.83	15.17	15.17
706	NASDAQ	ATRI	Fri, May 14, 1993	15.17	15.17	15.17	15.17
705	NASDAQ	ATRI	Thu, May 13, 1993	15.17	15.67	15.17	15.67
704	NASDAQ	ATRI	Wed, May 12, 1993	15.83	15.83	15.17	15.17
703	NASDAQ	ATRI	Tue, May 11, 1993	15.83	15.83	15.17	15.17
702	NASDAQ	ATRI	Mon, May 10, 1993	15.67	15.67	15.67	15.67
701	NASDAQ	ATRI	Wed, May 5, 1993	15.33	15.83	15.33	15.33
700	NASDAQ	ATRI	Tue, May 4, 1993	15.83	15.83	15.83	15.83
699	NASDAQ	ATRI	Mon, May 3, 1993	15.17	15.83	15.17	15.83
698	NASDAQ	ATRI	Fri, Apr 30, 1993	15.17	15.17	15.17	15.17
697	NASDAQ	ATRI	Thu, Apr 29, 1993	15.83	15.83	15.17	15.17
696	NASDAQ	ATRI	Wed, Apr 28, 1993	15.83	15.83	15.17	15.17
695	NASDAQ	ATRI	Mon, Apr 26, 1993	15.17	15.17	15.17	15.17
694	NASDAQ	ATRI	Fri, Apr 23, 1993	15.17	15.42	15.17	15.42
693	NASDAQ	ATRI	Thu, Apr 22, 1993	15.17	15.33	15.17	15.33
692	NASDAQ	ATRI	Wed, Apr 21, 1993	15.17	15.17	15.17	15.17
691	NASDAQ	ATRI	Tue, Apr 20, 1993	16.00	16.00	15.17	15.17
690	NASDAQ	ATRI	Mon, Apr 19, 1993	15.83	15.83	15.33	15.33
689	NASDAQ	ATRI	Fri, Apr 16, 1993	15.33	15.67	15.17	15.33
688	NASDAQ	ATRI	Thu, Apr 15, 1993	15.50	15.83	15.50	15.83
687	NASDAQ	ATRI	Wed, Apr 14, 1993	15.33	15.33	15.33	15.33
686	NASDAQ	ATRI	Tue, Apr 13, 1993	16.00	16.00	15.33	15.33
685	NASDAQ	ATRI	Mon, Apr 12, 1993	15.17	16.00	15.17	15.17
684	NASDAQ	ATRI	Thu, Apr 8, 1993	16.00	16.00	15.17	16.00
683	NASDAQ	ATRI	Wed, Apr 7, 1993	15.17	15.17	15.17	15.17
682	NASDAQ	ATRI	Tue, Apr 6, 1993	15.17	15.17	15.17	15.17
681	NASDAQ	ATRI	Mon, Apr 5, 1993	15.17	15.17	15.17	15.17
680	NASDAQ	ATRI	Fri, Apr 2, 1993	15.17	15.17	15.17	15.17
679	NASDAQ	ATRI	Thu, Apr 1, 1993	16.00	16.00	15.83	15.83
678	NASDAQ	ATRI	Tue, Mar 30, 1993	15.67	16.00	15.67	16.00
677	NASDAQ	ATRI	Mon, Mar 29, 1993	15.17	15.17	15.17	15.17
676	NASDAQ	ATRI	Wed, Mar 24, 1993	15.00	15.50	15.00	15.50
675	NASDAQ	ATRI	Tue, Mar 23, 1993	15.00	15.00	15.00	15.00
674	NASDAQ	ATRI	Mon, Mar 22, 1993	15.50	15.50	15.00	15.00
673	NASDAQ	ATRI	Fri, Mar 19, 1993	15.00	15.33	15.00	15.00
672	NASDAQ	ATRI	Thu, Mar 18, 1993	15.00	15.00	15.00	15.00
671	NASDAQ	ATRI	Wed, Mar 17, 1993	15.50	15.50	15.00	15.50
670	NASDAQ	ATRI	Tue, Mar 16, 1993	15.00	15.33	15.00	15.33
669	NASDAQ	ATRI	Mon, Mar 15, 1993	15.00	15.00	15.00	15.00
668	NASDAQ	ATRI	Fri, Mar 12, 1993	15.33	15.67	15.33	15.67
667	NASDAQ	ATRI	Thu, Mar 11, 1993	15.17	15.17	15.17	15.17
666	NASDAQ	ATRI	Wed, Mar 10, 1993	15.67	15.67	15.17	15.67
665	NASDAQ	ATRI	Tue, Mar 9, 1993	15.17	15.33	15.17	15.33
664	NASDAQ	ATRI	Mon, Mar 8, 1993	15.83	15.83	15.17	15.17
663	NASDAQ	ATRI	Fri, Mar 5, 1993	15.67	15.83	15.67	15.83
662	NASDAQ	ATRI	Thu, Mar 4, 1993	15.17	15.83	15.17	15.17
661	NASDAQ	ATRI	Wed, Mar 3, 1993	15.17	15.33	15.17	15.33
660	NASDAQ	ATRI	Tue, Mar 2, 1993	15.83	15.83	15.67	15.67
659	NASDAQ	ATRI	Mon, Mar 1, 1993	15.17	15.83	15.17	15.33
658	NASDAQ	ATRI	Fri, Feb 26, 1993	16.00	16.00	15.17	15.17
657	NASDAQ	ATRI	Thu, Feb 25, 1993	16.00	16.00	15.00	16.00
656	NASDAQ	ATRI	Wed, Feb 24, 1993	15.67	15.67	15.17	15.17
655	NASDAQ	ATRI	Mon, Feb 22, 1993	15.00	15.33	15.00	15.33
654	NASDAQ	ATRI	Fri, Feb 19, 1993	15.67	15.67	15.00	15.17
653	NASDAQ	ATRI	Thu, Feb 18, 1993	14.83	15.33	14.83	14.83
652	NASDAQ	ATRI	Wed, Feb 17, 1993	15.33	15.33	15.33	15.33
651	NASDAQ	ATRI	Tue, Feb 16, 1993	15.33	15.33	14.83	14.83
650	NASDAQ	ATRI	Fri, Feb 12, 1993	15.67	15.67	15.67	15.67
649	NASDAQ	ATRI	Thu, Feb 11, 1993	15.17	15.67	15.17	15.50
648	NASDAQ	ATRI	Wed, Feb 10, 1993	15.50	15.50	15.50	15.50
647	NASDAQ	ATRI	Tue, Feb 9, 1993	15.50	15.50	15.50	15.50
646	NASDAQ	ATRI	Thu, Feb 4, 1993	15.83	16.17	15.50	15.50
645	NASDAQ	ATRI	Wed, Feb 3, 1993	15.17	15.17	15.17	15.17
644	NASDAQ	ATRI	Tue, Feb 2, 1993	15.33	15.33	15.33	15.33
643	NASDAQ	ATRI	Mon, Feb 1, 1993	15.25	15.58	15.25	15.58
642	NASDAQ	ATRI	Fri, Jan 29, 1993	15.25	15.33	15.25	15.33
641	NASDAQ	ATRI	Thu, Jan 28, 1993	15.33	15.33	15.17	15.17
640	NASDAQ	ATRI	Wed, Jan 27, 1993	16.00	16.00	16.00	16.00
639	NASDAQ	ATRI	Tue, Jan 26, 1993	15.33	15.33	15.33	15.33
638	NASDAQ	ATRI	Mon, Jan 25, 1993	15.83	16.00	15.33	15.42
637	NASDAQ	ATRI	Thu, Jan 21, 1993	15.83	15.83	15.83	15.83
636	NASDAQ	ATRI	Wed, Jan 20, 1993	15.17	15.17	15.17	15.17
635	NASDAQ	ATRI	Tue, Jan 19, 1993	15.33	15.33	15.33	15.33
634	NASDAQ	ATRI	Mon, Jan 18, 1993	15.50	15.50	15.50	15.50
633	NASDAQ	ATRI	Thu, Jan 14, 1993	15.50	15.50	15.50	15.50
632	NASDAQ	ATRI	Wed, Jan 13, 1993	15.67	15.67	15.17	15.33
631	NASDAQ	ATRI	Tue, Jan 12, 1993	15.00	15.00	15.00	15.00
630	NASDAQ	ATRI	Fri, Jan 8, 1993	15.00	15.00	15.00	15.00
629	NASDAQ	ATRI	Thu, Jan 7, 1993	15.33	15.33	15.00	15.00
628	NASDAQ	ATRI	Wed, Jan 6, 1993	15.17	15.33	15.00	15.33
627	NASDAQ	ATRI	Tue, Jan 5, 1993	15.17	15.17	14.33	14.83
626	NASDAQ	ATRI	Mon, Jan 4, 1993	15.17	15.17	15.17	15.17
625	NASDAQ	ATRI	Thu, Dec 31, 1992	15.17	15.17	15.17	15.17
624	NASDAQ	ATRI	Wed, Dec 30, 1992	15.17	15.17	15.17	15.17
623	NASDAQ	ATRI	Tue, Dec 29, 1992	15.17	16.00	15.17	16.00
622	NASDAQ	ATRI	Wed, Dec 23, 1992	15.00	15.17	15.00	15.17
621	NASDAQ	ATRI	Tue, Dec 22, 1992	14.67	15.17	14.67	15.17
620	NASDAQ	ATRI	Mon, Dec 21, 1992	14.67	14.67	14.67	14.67
619	NASDAQ	ATRI	Fri, Dec 18, 1992	14.33	14.33	14.33	14.33
618	NASDAQ	ATRI	Thu, Dec 17, 1992	14.33	14.33	14.33	14.33
617	NASDAQ	ATRI	Wed, Dec 16, 1992	14.33	14.50	14.33	14.33
616	NASDAQ	ATRI	Tue, Dec 15, 1992	14.33	15.17	14.33	15.17
615	NASDAQ	ATRI	Mon, Dec 14, 1992	14.83	15.17	14.67	15.00
614	NASDAQ	ATRI	Fri, Dec 11, 1992	14.83	14.83	14.83	14.83
613	NASDAQ	ATRI	Thu, Dec 10, 1992	14.83	14.83	14.83	14.83
612	NASDAQ	ATRI	Wed, Dec 9, 1992	15.00	15.17	14.83	14.83
611	NASDAQ	ATRI	Tue, Dec 8, 1992	15.17	15.50	15.17	15.33
610	NASDAQ	ATRI	Mon, Dec 7, 1992	15.17	16.00	15.17	15.50
609	NASDAQ	ATRI	Fri, Dec 4, 1992	15.33	15.33	15.17	15.17
608	NASDAQ	ATRI	Thu, Dec 3, 1992	15.83	15.83	15.17	15.17
607	NASDAQ	ATRI	Wed, Dec 2, 1992	15.17	15.83	15.17	15.25
606	NASDAQ	ATRI	Tue, Dec 1, 1992	15.25	15.25	15.25	15.25
605	NASDAQ	ATRI	Mon, Nov 30, 1992	15.33	15.33	15.33	15.33
604	NASDAQ	ATRI	Wed, Nov 25, 1992	15.00	15.00	15.00	15.00
603	NASDAQ	ATRI	Tue, Nov 24, 1992	15.00	15.00	15.00	15.00
602	NASDAQ	ATRI	Mon, Nov 23, 1992	15.17	15.67	15.17	15.33
601	NASDAQ	ATRI	Fri, Nov 20, 1992	15.17	15.67	15.17	15.33
600	NASDAQ	ATRI	Thu, Nov 19, 1992	15.67	15.67	15.00	15.00
599	NASDAQ	ATRI	Wed, Nov 18, 1992	14.83	15.67	14.83	15.67
598	NASDAQ	ATRI	Tue, Nov 17, 1992	15.67	15.67	15.67	15.67
597	NASDAQ	ATRI	Mon, Nov 16, 1992	15.67	15.67	15.67	15.67
596	NASDAQ	ATRI	Fri, Nov 13, 1992	14.67	15.17	14.67	15.00
595	NASDAQ	ATRI	Thu, Nov 12, 1992	15.00	15.00	14.67	15.00
594	NASDAQ	ATRI	Tue, Nov 10, 1992	14.67	15.00	14.67	15.00
593	NASDAQ	ATRI	Mon, Nov 9, 1992	14.83	14.83	14.67	14.83
592	NASDAQ	ATRI	Fri, Nov 6, 1992	14.50	14.83	14.33	14.83
591	NASDAQ	ATRI	Tue, Nov 3, 1992	15.00	15.00	14.67	14.67
590	NASDAQ	ATRI	Mon, Nov 2, 1992	14.67	14.67	14.50	14.50
589	NASDAQ	ATRI	Fri, Oct 30, 1992	14.67	14.67	14.67	14.67
588	NASDAQ	ATRI	Thu, Oct 29, 1992	15.00	15.00	14.83	14.83
587	NASDAQ	ATRI	Wed, Oct 28, 1992	14.75	15.00	14.67	15.00
586	NASDAQ	ATRI	Tue, Oct 27, 1992	14.50	14.50	14.50	14.50
585	NASDAQ	ATRI	Mon, Oct 26, 1992	14.50	14.50	14.50	14.50
584	NASDAQ	ATRI	Fri, Oct 23, 1992	14.50	14.50	14.50	14.50
583	NASDAQ	ATRI	Wed, Oct 21, 1992	14.67	14.83	14.67	14.67
582	NASDAQ	ATRI	Tue, Oct 20, 1992	14.33	15.00	14.33	15.00
581	NASDAQ	ATRI	Thu, Oct 15, 1992	14.83	14.83	14.83	14.83
580	NASDAQ	ATRI	Wed, Oct 14, 1992	14.17	14.17	14.17	14.17
579	NASDAQ	ATRI	Tue, Oct 13, 1992	14.17	14.17	14.17	14.17
578	NASDAQ	ATRI	Fri, Oct 9, 1992	14.17	14.33	14.17	14.33
577	NASDAQ	ATRI	Thu, Oct 8, 1992	14.83	14.83	14.83	14.83
576	NASDAQ	ATRI	Wed, Oct 7, 1992	14.17	14.83	14.17	14.50
575	NASDAQ	ATRI	Mon, Oct 5, 1992	14.17	14.17	14.17	14.17
574	NASDAQ	ATRI	Fri, Oct 2, 1992	14.33	14.33	14.33	14.33
573	NASDAQ	ATRI	Thu, Oct 1, 1992	14.67	14.67	14.67	14.67
572	NASDAQ	ATRI	Wed, Sep 30, 1992	14.83	14.83	14.83	14.83
571	NASDAQ	ATRI	Tue, Sep 29, 1992	14.83	14.83	14.17	14.17
570	NASDAQ	ATRI	Mon, Sep 28, 1992	14.50	14.50	14.00	14.25
569	NASDAQ	ATRI	Fri, Sep 25, 1992	14.50	14.50	14.50	14.50
568	NASDAQ	ATRI	Thu, Sep 24, 1992	14.50	14.50	14.50	14.50
567	NASDAQ	ATRI	Tue, Sep 22, 1992	14.00	14.00	14.00	14.00
566	NASDAQ	ATRI	Mon, Sep 21, 1992	14.50	14.50	14.50	14.50
565	NASDAQ	ATRI	Fri, Sep 18, 1992	14.00	14.25	14.00	14.00
564	NASDAQ	ATRI	Thu, Sep 17, 1992	14.00	14.00	14.00	14.00
563	NASDAQ	ATRI	Wed, Sep 16, 1992	14.33	14.33	14.00	14.17
562	NASDAQ	ATRI	Tue, Sep 15, 1992	14.33	15.00	14.33	15.00
561	NASDAQ	ATRI	Mon, Sep 14, 1992	14.33	14.33	14.33	14.33
560	NASDAQ	ATRI	Fri, Sep 11, 1992	14.33	14.83	14.33	14.83
559	NASDAQ	ATRI	Wed, Sep 9, 1992	15.00	15.00	14.33	14.33
558	NASDAQ	ATRI	Tue, Sep 8, 1992	14.83	15.00	14.33	15.00
557	NASDAQ	ATRI	Fri, Sep 4, 1992	14.75	14.83	14.75	14.83
556	NASDAQ	ATRI	Thu, Sep 3, 1992	14.33	14.83	14.33	14.83
555	NASDAQ	ATRI	Wed, Sep 2, 1992	14.83	14.83	14.83	14.83
554	NASDAQ	ATRI	Mon, Aug 31, 1992	14.17	14.17	14.17	14.17
553	NASDAQ	ATRI	Fri, Aug 28, 1992	14.83	14.83	14.83	14.83
552	NASDAQ	ATRI	Thu, Aug 27, 1992	14.17	14.50	14.17	14.50
551	NASDAQ	ATRI	Wed, Aug 26, 1992	14.50	14.50	14.50	14.50
550	NASDAQ	ATRI	Tue, Aug 25, 1992	14.33	14.33	14.00	14.25
549	NASDAQ	ATRI	Mon, Aug 24, 1992	14.33	14.50	13.67	14.17
548	NASDAQ	ATRI	Fri, Aug 21, 1992	15.00	15.00	14.67	14.67
547	NASDAQ	ATRI	Thu, Aug 20, 1992	14.50	15.00	14.50	15.00
546	NASDAQ	ATRI	Wed, Aug 19, 1992	14.67	14.67	14.33	14.58
545	NASDAQ	ATRI	Tue, Aug 18, 1992	14.83	14.83	14.50	14.50
544	NASDAQ	ATRI	Mon, Aug 17, 1992	15.33	15.33	14.83	14.83
543	NASDAQ	ATRI	Fri, Aug 14, 1992	15.33	15.33	15.33	15.33
542	NASDAQ	ATRI	Thu, Aug 13, 1992	14.83	15.17	14.83	15.17
541	NASDAQ	ATRI	Wed, Aug 12, 1992	15.17	15.25	14.83	15.17
540	NASDAQ	ATRI	Tue, Aug 11, 1992	15.67	15.67	15.17	15.17
539	NASDAQ	ATRI	Mon, Aug 10, 1992	16.00	16.17	16.00	16.17
538	NASDAQ	ATRI	Fri, Aug 7, 1992	16.00	16.17	16.00	16.00
537	NASDAQ	ATRI	Thu, Aug 6, 1992	16.00	16.00	16.00	16.00
536	NASDAQ	ATRI	Wed, Aug 5, 1992	16.33	16.33	16.00	16.00
535	NASDAQ	ATRI	Tue, Aug 4, 1992	16.33	16.33	15.83	16.08
534	NASDAQ	ATRI	Mon, Aug 3, 1992	16.00	16.33	16.00	16.33
533	NASDAQ	ATRI	Fri, Jul 31, 1992	16.50	16.50	16.00	16.00
532	NASDAQ	ATRI	Thu, Jul 30, 1992	16.50	16.50	16.00	16.17
531	NASDAQ	ATRI	Wed, Jul 29, 1992	16.17	17.33	15.83	16.33
530	NASDAQ	ATRI	Tue, Jul 28, 1992	15.33	16.00	15.17	15.83
529	NASDAQ	ATRI	Mon, Jul 27, 1992	15.83	16.00	15.17	15.33
528	NASDAQ	ATRI	Fri, Jul 24, 1992	14.83	15.83	14.50	15.83
527	NASDAQ	ATRI	Thu, Jul 23, 1992	14.83	14.83	14.83	14.83
526	NASDAQ	ATRI	Wed, Jul 22, 1992	14.17	14.67	14.08	14.67
525	NASDAQ	ATRI	Tue, Jul 21, 1992	14.33	14.33	14.33	14.33
524	NASDAQ	ATRI	Mon, Jul 20, 1992	14.00	14.33	14.00	14.33
523	NASDAQ	ATRI	Fri, Jul 17, 1992	14.58	14.67	14.17	14.67
522	NASDAQ	ATRI	Thu, Jul 16, 1992	14.33	14.42	14.17	14.17
521	NASDAQ	ATRI	Wed, Jul 15, 1992	14.17	14.50	14.00	14.33
520	NASDAQ	ATRI	Tue, Jul 14, 1992	14.00	14.33	14.00	14.17
519	NASDAQ	ATRI	Mon, Jul 13, 1992	14.42	14.50	14.17	14.50
518	NASDAQ	ATRI	Fri, Jul 10, 1992	14.67	14.67	14.17	14.17
517	NASDAQ	ATRI	Thu, Jul 9, 1992	14.67	14.67	14.17	14.67
516	NASDAQ	ATRI	Wed, Jul 8, 1992	14.33	14.50	14.00	14.50
515	NASDAQ	ATRI	Tue, Jul 7, 1992	14.33	14.33	14.33	14.33
514	NASDAQ	ATRI	Mon, Jul 6, 1992	13.67	14.00	13.67	14.00
513	NASDAQ	ATRI	Thu, Jul 2, 1992	13.67	13.67	13.67	13.67
512	NASDAQ	ATRI	Wed, Jul 1, 1992	13.17	13.17	13.17	13.17
511	NASDAQ	ATRI	Tue, Jun 30, 1992	13.50	13.50	13.33	13.50
510	NASDAQ	ATRI	Mon, Jun 29, 1992	13.17	13.50	13.17	13.50
509	NASDAQ	ATRI	Fri, Jun 26, 1992	13.50	13.50	13.17	13.17
508	NASDAQ	ATRI	Thu, Jun 25, 1992	13.00	13.50	13.00	13.33
507	NASDAQ	ATRI	Wed, Jun 24, 1992	13.50	13.50	13.00	13.00
506	NASDAQ	ATRI	Tue, Jun 23, 1992	13.00	13.33	13.00	13.33
505	NASDAQ	ATRI	Mon, Jun 22, 1992	13.25	13.25	13.00	13.25
504	NASDAQ	ATRI	Fri, Jun 19, 1992	13.33	13.33	13.00	13.25
503	NASDAQ	ATRI	Thu, Jun 18, 1992	13.00	13.00	13.00	13.00
502	NASDAQ	ATRI	Wed, Jun 17, 1992	13.50	13.50	13.50	13.50
501	NASDAQ	ATRI	Tue, Jun 16, 1992	13.00	13.33	13.00	13.00
500	NASDAQ	ATRI	Mon, Jun 15, 1992	13.00	13.33	13.00	13.33
499	NASDAQ	ATRI	Fri, Jun 12, 1992	13.33	13.33	13.33	13.33
498	NASDAQ	ATRI	Thu, Jun 11, 1992	13.17	13.17	13.00	13.00
497	NASDAQ	ATRI	Wed, Jun 10, 1992	13.00	13.17	13.00	13.17
496	NASDAQ	ATRI	Tue, Jun 9, 1992	13.00	13.00	13.00	13.00
495	NASDAQ	ATRI	Mon, Jun 8, 1992	13.33	13.33	13.00	13.00
494	NASDAQ	ATRI	Fri, Jun 5, 1992	13.33	13.33	13.33	13.33
493	NASDAQ	ATRI	Thu, Jun 4, 1992	13.33	13.33	13.33	13.33
492	NASDAQ	ATRI	Wed, Jun 3, 1992	13.00	13.33	13.00	13.33
491	NASDAQ	ATRI	Tue, Jun 2, 1992	13.00	13.17	13.00	13.00
490	NASDAQ	ATRI	Mon, Jun 1, 1992	13.00	13.08	13.00	13.00
489	NASDAQ	ATRI	Fri, May 29, 1992	13.00	13.17	13.00	13.17
488	NASDAQ	ATRI	Thu, May 28, 1992	13.00	13.00	13.00	13.00
487	NASDAQ	ATRI	Wed, May 27, 1992	13.33	13.33	13.33	13.33
486	NASDAQ	ATRI	Tue, May 26, 1992	13.33	13.33	13.00	13.00
485	NASDAQ	ATRI	Fri, May 22, 1992	13.00	13.00	13.00	13.00
484	NASDAQ	ATRI	Thu, May 21, 1992	13.33	13.67	13.17	13.33
483	NASDAQ	ATRI	Wed, May 20, 1992	13.83	14.00	13.33	13.33
482	NASDAQ	ATRI	Tue, May 19, 1992	13.83	14.33	13.83	13.83
481	NASDAQ	ATRI	Mon, May 18, 1992	14.33	14.33	13.83	13.83
480	NASDAQ	ATRI	Fri, May 15, 1992	14.33	14.33	14.33	14.33
479	NASDAQ	ATRI	Thu, May 14, 1992	13.83	14.33	13.83	14.33
478	NASDAQ	ATRI	Wed, May 13, 1992	14.50	14.50	14.50	14.50
477	NASDAQ	ATRI	Tue, May 12, 1992	14.00	14.50	14.00	14.50
476	NASDAQ	ATRI	Mon, May 11, 1992	14.00	14.50	14.00	14.50
475	NASDAQ	ATRI	Fri, May 8, 1992	14.33	14.50	14.00	14.33
474	NASDAQ	ATRI	Thu, May 7, 1992	14.50	14.50	14.00	14.50
473	NASDAQ	ATRI	Wed, May 6, 1992	14.50	14.50	14.00	14.50
472	NASDAQ	ATRI	Tue, May 5, 1992	15.00	15.50	14.17	14.33
471	NASDAQ	ATRI	Mon, May 4, 1992	13.33	14.33	13.33	14.33
470	NASDAQ	ATRI	Fri, May 1, 1992	13.33	13.33	13.17	13.33
469	NASDAQ	ATRI	Thu, Apr 30, 1992	12.83	13.33	12.83	13.08
468	NASDAQ	ATRI	Wed, Apr 29, 1992	12.83	12.83	12.83	12.83
467	NASDAQ	ATRI	Tue, Apr 28, 1992	13.17	13.17	12.83	13.00
466	NASDAQ	ATRI	Mon, Apr 27, 1992	12.92	13.00	12.92	13.00
465	NASDAQ	ATRI	Fri, Apr 24, 1992	13.00	13.00	13.00	13.00
464	NASDAQ	ATRI	Thu, Apr 23, 1992	13.00	13.00	12.50	13.00
463	NASDAQ	ATRI	Wed, Apr 22, 1992	13.00	13.00	12.50	12.50
462	NASDAQ	ATRI	Tue, Apr 21, 1992	12.67	12.67	12.50	12.50
461	NASDAQ	ATRI	Mon, Apr 20, 1992	12.50	12.67	12.50	12.50
460	NASDAQ	ATRI	Thu, Apr 16, 1992	12.67	12.67	12.50	12.67
459	NASDAQ	ATRI	Wed, Apr 15, 1992	12.17	12.67	12.17	12.58
458	NASDAQ	ATRI	Tue, Apr 14, 1992	12.17	12.17	12.17	12.17
457	NASDAQ	ATRI	Mon, Apr 13, 1992	12.17	12.33	12.17	12.33
456	NASDAQ	ATRI	Fri, Apr 10, 1992	12.50	12.50	12.50	12.50
455	NASDAQ	ATRI	Thu, Apr 9, 1992	12.17	12.50	12.17	12.50
454	NASDAQ	ATRI	Wed, Apr 8, 1992	12.17	12.50	12.17	12.50
453	NASDAQ	ATRI	Tue, Apr 7, 1992	12.50	12.50	12.00	12.50
452	NASDAQ	ATRI	Mon, Apr 6, 1992	12.00	12.17	12.00	12.17
451	NASDAQ	ATRI	Fri, Apr 3, 1992	12.17	12.17	12.17	12.17
450	NASDAQ	ATRI	Thu, Apr 2, 1992	11.83	11.83	11.83	11.83
449	NASDAQ	ATRI	Wed, Apr 1, 1992	12.17	12.17	12.17	12.17
448	NASDAQ	ATRI	Tue, Mar 31, 1992	11.83	12.17	11.83	12.17
447	NASDAQ	ATRI	Mon, Mar 30, 1992	11.83	11.83	11.83	11.83
446	NASDAQ	ATRI	Fri, Mar 27, 1992	11.83	12.17	11.83	12.17
445	NASDAQ	ATRI	Thu, Mar 26, 1992	11.83	12.17	11.83	12.17
444	NASDAQ	ATRI	Wed, Mar 25, 1992	12.00	12.33	12.00	12.00
443	NASDAQ	ATRI	Tue, Mar 24, 1992	12.50	12.50	12.17	12.17
442	NASDAQ	ATRI	Mon, Mar 23, 1992	12.17	12.17	12.17	12.17
441	NASDAQ	ATRI	Fri, Mar 20, 1992	12.17	12.50	12.17	12.50
440	NASDAQ	ATRI	Thu, Mar 19, 1992	11.83	12.83	11.67	12.33
439	NASDAQ	ATRI	Wed, Mar 18, 1992	11.33	11.83	11.33	11.67
438	NASDAQ	ATRI	Tue, Mar 17, 1992	11.33	11.83	11.33	11.83
437	NASDAQ	ATRI	Fri, Mar 13, 1992	11.83	11.83	11.33	11.33
436	NASDAQ	ATRI	Thu, Mar 12, 1992	11.67	11.67	11.33	11.67
435	NASDAQ	ATRI	Wed, Mar 11, 1992	11.83	11.83	11.83	11.83
434	NASDAQ	ATRI	Tue, Mar 10, 1992	11.67	11.75	11.33	11.67
433	NASDAQ	ATRI	Mon, Mar 9, 1992	11.33	11.67	11.33	11.67
432	NASDAQ	ATRI	Fri, Mar 6, 1992	11.33	11.50	11.33	11.50
431	NASDAQ	ATRI	Thu, Mar 5, 1992	11.67	11.67	11.67	11.67
430	NASDAQ	ATRI	Wed, Mar 4, 1992	11.33	11.83	11.33	11.33
429	NASDAQ	ATRI	Tue, Mar 3, 1992	11.33	11.67	11.33	11.33
428	NASDAQ	ATRI	Mon, Mar 2, 1992	11.42	11.83	11.33	11.33
427	NASDAQ	ATRI	Fri, Feb 28, 1992	11.33	11.50	11.33	11.50
426	NASDAQ	ATRI	Thu, Feb 27, 1992	11.33	11.50	11.33	11.50
425	NASDAQ	ATRI	Wed, Feb 26, 1992	11.33	11.42	11.33	11.42
424	NASDAQ	ATRI	Tue, Feb 25, 1992	11.50	11.50	11.33	11.33
423	NASDAQ	ATRI	Mon, Feb 24, 1992	11.33	11.50	11.33	11.50
422	NASDAQ	ATRI	Fri, Feb 21, 1992	11.67	11.67	11.17	11.50
421	NASDAQ	ATRI	Thu, Feb 20, 1992	11.17	11.50	11.17	11.50
420	NASDAQ	ATRI	Wed, Feb 19, 1992	11.17	11.17	10.67	11.17
419	NASDAQ	ATRI	Tue, Feb 18, 1992	11.17	11.17	10.83	10.83
418	NASDAQ	ATRI	Fri, Feb 14, 1992	10.67	11.17	10.67	10.67
417	NASDAQ	ATRI	Thu, Feb 13, 1992	11.17	11.17	10.67	10.67
416	NASDAQ	ATRI	Wed, Feb 12, 1992	10.83	11.17	10.83	11.17
415	NASDAQ	ATRI	Mon, Feb 10, 1992	11.33	11.33	10.83	10.83
414	NASDAQ	ATRI	Fri, Feb 7, 1992	11.00	11.50	11.00	11.50
413	NASDAQ	ATRI	Thu, Feb 6, 1992	11.00	11.00	11.00	11.00
412	NASDAQ	ATRI	Wed, Feb 5, 1992	11.50	11.50	11.50	11.50
411	NASDAQ	ATRI	Tue, Feb 4, 1992	11.67	11.67	11.17	11.17
410	NASDAQ	ATRI	Mon, Feb 3, 1992	11.67	11.67	11.42	11.67
409	NASDAQ	ATRI	Thu, Jan 30, 1992	11.00	11.00	11.00	11.00
408	NASDAQ	ATRI	Wed, Jan 29, 1992	11.33	11.33	11.08	11.08
407	NASDAQ	ATRI	Tue, Jan 28, 1992	11.00	11.00	11.00	11.00
406	NASDAQ	ATRI	Mon, Jan 27, 1992	11.00	11.00	11.00	11.00
405	NASDAQ	ATRI	Fri, Jan 24, 1992	11.50	11.50	11.00	11.00
404	NASDAQ	ATRI	Thu, Jan 23, 1992	11.00	11.50	11.00	11.50
403	NASDAQ	ATRI	Wed, Jan 22, 1992	11.00	11.50	11.00	11.50
402	NASDAQ	ATRI	Tue, Jan 21, 1992	11.00	11.00	10.83	10.83
401	NASDAQ	ATRI	Mon, Jan 20, 1992	11.00	11.00	10.67	10.67
400	NASDAQ	ATRI	Fri, Jan 17, 1992	10.50	10.83	10.50	10.50
399	NASDAQ	ATRI	Thu, Jan 16, 1992	10.67	11.00	10.67	11.00
398	NASDAQ	ATRI	Wed, Jan 15, 1992	10.67	11.00	10.67	11.00
397	NASDAQ	ATRI	Tue, Jan 14, 1992	10.67	10.67	10.67	10.67
396	NASDAQ	ATRI	Mon, Jan 13, 1992	10.67	11.00	10.67	11.00
395	NASDAQ	ATRI	Fri, Jan 10, 1992	10.67	10.92	10.67	10.92
394	NASDAQ	ATRI	Thu, Jan 9, 1992	11.08	11.08	10.67	11.00
393	NASDAQ	ATRI	Wed, Jan 8, 1992	10.67	11.00	10.67	11.00
392	NASDAQ	ATRI	Tue, Jan 7, 1992	11.17	11.17	10.67	10.83
391	NASDAQ	ATRI	Mon, Jan 6, 1992	11.00	11.00	10.67	10.83
390	NASDAQ	ATRI	Fri, Jan 3, 1992	10.67	11.00	10.67	11.00
389	NASDAQ	ATRI	Thu, Jan 2, 1992	10.50	11.00	10.50	11.00
388	NASDAQ	ATRI	Tue, Dec 31, 1991	10.50	10.50	10.50	10.50
387	NASDAQ	ATRI	Mon, Dec 30, 1991	10.50	10.83	10.50	10.83
386	NASDAQ	ATRI	Fri, Dec 27, 1991	10.50	10.83	10.50	10.83
385	NASDAQ	ATRI	Thu, Dec 26, 1991	10.50	10.50	10.50	10.50
384	NASDAQ	ATRI	Tue, Dec 24, 1991	10.50	10.50	10.50	10.50
383	NASDAQ	ATRI	Mon, Dec 23, 1991	10.83	10.83	10.50	10.67
382	NASDAQ	ATRI	Fri, Dec 20, 1991	10.67	10.67	10.67	10.67
381	NASDAQ	ATRI	Thu, Dec 19, 1991	10.83	10.83	10.50	10.50
380	NASDAQ	ATRI	Wed, Dec 18, 1991	10.67	10.83	10.67	10.83
379	NASDAQ	ATRI	Tue, Dec 17, 1991	10.92	10.92	10.67	10.83
378	NASDAQ	ATRI	Mon, Dec 16, 1991	11.17	11.17	10.67	10.67
377	NASDAQ	ATRI	Fri, Dec 13, 1991	10.92	10.92	10.83	10.92
376	NASDAQ	ATRI	Thu, Dec 12, 1991	11.00	11.00	10.67	10.67
375	NASDAQ	ATRI	Wed, Dec 11, 1991	10.67	11.00	10.67	11.00
374	NASDAQ	ATRI	Tue, Dec 10, 1991	11.00	11.00	10.67	11.00
373	NASDAQ	ATRI	Mon, Dec 9, 1991	11.00	11.00	10.67	10.67
372	NASDAQ	ATRI	Fri, Dec 6, 1991	11.00	11.00	11.00	11.00
371	NASDAQ	ATRI	Thu, Dec 5, 1991	11.00	11.50	11.00	11.00
370	NASDAQ	ATRI	Wed, Dec 4, 1991	11.50	11.50	11.00	11.50
369	NASDAQ	ATRI	Tue, Dec 3, 1991	11.00	11.50	11.00	11.50
368	NASDAQ	ATRI	Mon, Dec 2, 1991	11.00	11.17	11.00	11.17
367	NASDAQ	ATRI	Fri, Nov 29, 1991	11.25	11.25	11.00	11.00
366	NASDAQ	ATRI	Wed, Nov 27, 1991	11.00	11.00	11.00	11.00
365	NASDAQ	ATRI	Tue, Nov 26, 1991	11.17	11.25	11.00	11.25
364	NASDAQ	ATRI	Mon, Nov 25, 1991	11.00	11.33	11.00	11.25
363	NASDAQ	ATRI	Fri, Nov 22, 1991	11.17	11.25	11.17	11.17
362	NASDAQ	ATRI	Thu, Nov 21, 1991	10.83	10.83	10.83	10.83
361	NASDAQ	ATRI	Wed, Nov 20, 1991	10.83	11.17	10.83	10.83
360	NASDAQ	ATRI	Tue, Nov 19, 1991	11.33	11.33	10.67	11.00
359	NASDAQ	ATRI	Mon, Nov 18, 1991	10.83	11.33	10.67	11.33
358	NASDAQ	ATRI	Fri, Nov 15, 1991	12.00	12.00	11.17	11.17
357	NASDAQ	ATRI	Thu, Nov 14, 1991	11.17	11.83	11.17	11.67
356	NASDAQ	ATRI	Wed, Nov 13, 1991	11.17	11.17	11.17	11.17
355	NASDAQ	ATRI	Tue, Nov 12, 1991	11.42	11.42	11.17	11.17
354	NASDAQ	ATRI	Mon, Nov 11, 1991	11.33	11.33	11.00	11.17
353	NASDAQ	ATRI	Fri, Nov 8, 1991	11.00	11.33	11.00	11.33
352	NASDAQ	ATRI	Thu, Nov 7, 1991	11.33	11.33	11.33	11.33
351	NASDAQ	ATRI	Wed, Nov 6, 1991	11.33	11.33	11.33	11.33
350	NASDAQ	ATRI	Tue, Nov 5, 1991	11.00	11.33	11.00	11.08
349	NASDAQ	ATRI	Mon, Nov 4, 1991	11.33	11.33	11.00	11.00
348	NASDAQ	ATRI	Fri, Nov 1, 1991	11.33	11.33	11.17	11.17
347	NASDAQ	ATRI	Thu, Oct 31, 1991	10.83	10.83	10.83	10.83
346	NASDAQ	ATRI	Wed, Oct 30, 1991	10.83	10.83	10.83	10.83
345	NASDAQ	ATRI	Tue, Oct 29, 1991	11.17	11.17	11.17	11.17
344	NASDAQ	ATRI	Mon, Oct 28, 1991	10.83	10.83	10.83	10.83
343	NASDAQ	ATRI	Fri, Oct 25, 1991	11.17	11.17	10.83	10.83
342	NASDAQ	ATRI	Thu, Oct 24, 1991	10.83	11.17	10.83	11.17
341	NASDAQ	ATRI	Wed, Oct 23, 1991	10.83	10.83	10.83	10.83
340	NASDAQ	ATRI	Tue, Oct 22, 1991	10.83	10.83	10.83	10.83
339	NASDAQ	ATRI	Mon, Oct 21, 1991	11.17	11.17	11.00	11.00
338	NASDAQ	ATRI	Fri, Oct 18, 1991	10.83	11.17	10.83	11.17
337	NASDAQ	ATRI	Thu, Oct 17, 1991	10.83	10.83	10.83	10.83
336	NASDAQ	ATRI	Wed, Oct 16, 1991	11.17	11.33	10.83	11.33
335	NASDAQ	ATRI	Tue, Oct 15, 1991	11.17	11.17	11.00	11.00
334	NASDAQ	ATRI	Mon, Oct 14, 1991	10.83	10.83	10.83	10.83
333	NASDAQ	ATRI	Thu, Oct 10, 1991	10.67	10.83	10.67	10.83
332	NASDAQ	ATRI	Tue, Oct 8, 1991	11.00	11.00	10.67	10.67
331	NASDAQ	ATRI	Mon, Oct 7, 1991	10.83	10.83	10.83	10.83
330	NASDAQ	ATRI	Fri, Oct 4, 1991	10.67	10.75	10.67	10.75
329	NASDAQ	ATRI	Thu, Oct 3, 1991	10.67	10.83	10.67	10.83
328	NASDAQ	ATRI	Wed, Oct 2, 1991	11.00	11.00	10.50	10.83
327	NASDAQ	ATRI	Tue, Oct 1, 1991	11.17	11.17	10.83	10.83
326	NASDAQ	ATRI	Mon, Sep 30, 1991	10.67	10.67	10.67	10.67
325	NASDAQ	ATRI	Fri, Sep 27, 1991	11.00	11.00	11.00	11.00
324	NASDAQ	ATRI	Thu, Sep 26, 1991	10.83	11.00	10.67	10.83
323	NASDAQ	ATRI	Wed, Sep 25, 1991	11.00	11.33	11.00	11.33
322	NASDAQ	ATRI	Tue, Sep 24, 1991	11.00	11.17	11.00	11.00
321	NASDAQ	ATRI	Mon, Sep 23, 1991	11.08	11.08	11.00	11.00
320	NASDAQ	ATRI	Fri, Sep 20, 1991	10.92	10.92	10.83	10.83
319	NASDAQ	ATRI	Thu, Sep 19, 1991	11.33	11.33	11.00	11.33
318	NASDAQ	ATRI	Wed, Sep 18, 1991	11.17	11.17	10.83	10.83
317	NASDAQ	ATRI	Tue, Sep 17, 1991	10.83	11.00	10.83	10.83
316	NASDAQ	ATRI	Mon, Sep 16, 1991	11.00	11.33	11.00	11.33
315	NASDAQ	ATRI	Fri, Sep 13, 1991	11.33	11.50	11.17	11.33
314	NASDAQ	ATRI	Thu, Sep 12, 1991	11.33	11.33	10.83	10.83
313	NASDAQ	ATRI	Tue, Sep 10, 1991	11.17	11.17	10.83	11.17
312	NASDAQ	ATRI	Mon, Sep 9, 1991	11.33	11.33	10.83	10.83
311	NASDAQ	ATRI	Fri, Sep 6, 1991	10.83	11.33	10.83	11.17
310	NASDAQ	ATRI	Thu, Sep 5, 1991	10.83	11.00	10.83	11.00
309	NASDAQ	ATRI	Wed, Sep 4, 1991	10.67	11.17	10.67	11.08
308	NASDAQ	ATRI	Tue, Sep 3, 1991	11.17	11.17	11.17	11.17
307	NASDAQ	ATRI	Fri, Aug 30, 1991	11.17	11.17	10.83	10.83
306	NASDAQ	ATRI	Thu, Aug 29, 1991	10.83	10.83	10.83	10.83
305	NASDAQ	ATRI	Tue, Aug 27, 1991	11.33	11.33	10.83	11.00
304	NASDAQ	ATRI	Mon, Aug 26, 1991	10.83	11.17	10.83	11.17
303	NASDAQ	ATRI	Fri, Aug 23, 1991	10.92	11.00	10.92	11.00
302	NASDAQ	ATRI	Thu, Aug 22, 1991	11.00	11.17	10.67	10.67
301	NASDAQ	ATRI	Wed, Aug 21, 1991	10.83	11.00	10.67	10.67
300	NASDAQ	ATRI	Tue, Aug 20, 1991	10.50	10.83	10.50	10.67
299	NASDAQ	ATRI	Mon, Aug 19, 1991	10.67	10.67	10.50	10.50
298	NASDAQ	ATRI	Fri, Aug 16, 1991	10.83	10.83	10.50	10.50
297	NASDAQ	ATRI	Thu, Aug 15, 1991	10.75	10.75	10.75	10.75
296	NASDAQ	ATRI	Wed, Aug 14, 1991	10.33	10.58	10.33	10.33
295	NASDAQ	ATRI	Tue, Aug 13, 1991	10.17	10.50	10.17	10.33
294	NASDAQ	ATRI	Mon, Aug 12, 1991	10.33	10.33	10.33	10.33
293	NASDAQ	ATRI	Fri, Aug 9, 1991	10.33	10.33	10.33	10.33
292	NASDAQ	ATRI	Thu, Aug 8, 1991	10.17	10.42	10.17	10.17
291	NASDAQ	ATRI	Tue, Aug 6, 1991	10.67	10.67	10.67	10.67
290	NASDAQ	ATRI	Mon, Aug 5, 1991	10.50	10.50	10.42	10.42
289	NASDAQ	ATRI	Fri, Aug 2, 1991	10.50	10.50	10.17	10.17
288	NASDAQ	ATRI	Thu, Aug 1, 1991	10.50	10.67	10.17	10.17
287	NASDAQ	ATRI	Wed, Jul 31, 1991	10.33	10.33	10.33	10.33
286	NASDAQ	ATRI	Tue, Jul 30, 1991	10.67	10.67	10.33	10.58
285	NASDAQ	ATRI	Mon, Jul 29, 1991	10.33	10.50	10.33	10.33
284	NASDAQ	ATRI	Fri, Jul 26, 1991	10.75	10.75	10.50	10.50
283	NASDAQ	ATRI	Wed, Jul 24, 1991	10.50	10.50	10.50	10.50
282	NASDAQ	ATRI	Tue, Jul 23, 1991	10.67	10.67	10.50	10.50
281	NASDAQ	ATRI	Mon, Jul 22, 1991	10.50	10.83	10.50	10.67
280	NASDAQ	ATRI	Fri, Jul 19, 1991	10.83	10.83	10.67	10.67
279	NASDAQ	ATRI	Wed, Jul 17, 1991	10.33	10.67	10.33	10.67
278	NASDAQ	ATRI	Tue, Jul 16, 1991	10.33	10.33	10.33	10.33
277	NASDAQ	ATRI	Thu, Jul 11, 1991	10.17	10.50	10.17	10.17
276	NASDAQ	ATRI	Wed, Jul 10, 1991	10.00	10.33	10.00	10.17
275	NASDAQ	ATRI	Tue, Jul 9, 1991	10.00	10.00	10.00	10.00
274	NASDAQ	ATRI	Mon, Jul 8, 1991	9.67	10.08	9.67	10.00
273	NASDAQ	ATRI	Fri, Jul 5, 1991	9.67	10.00	9.67	9.67
272	NASDAQ	ATRI	Wed, Jul 3, 1991	10.00	10.17	10.00	10.00
271	NASDAQ	ATRI	Tue, Jul 2, 1991	9.67	10.00	9.67	9.67
270	NASDAQ	ATRI	Mon, Jul 1, 1991	9.67	9.67	9.67	9.67
269	NASDAQ	ATRI	Fri, Jun 28, 1991	10.00	10.00	10.00	10.00
268	NASDAQ	ATRI	Thu, Jun 27, 1991	9.67	10.00	9.67	10.00
267	NASDAQ	ATRI	Wed, Jun 26, 1991	10.17	10.17	9.67	9.67
266	NASDAQ	ATRI	Tue, Jun 25, 1991	9.83	9.92	9.83	9.83
265	NASDAQ	ATRI	Mon, Jun 24, 1991	9.67	10.00	9.67	10.00
264	NASDAQ	ATRI	Fri, Jun 21, 1991	9.83	10.00	9.67	9.67
263	NASDAQ	ATRI	Thu, Jun 20, 1991	9.67	10.00	9.67	9.67
262	NASDAQ	ATRI	Wed, Jun 19, 1991	10.00	10.17	9.67	9.83
261	NASDAQ	ATRI	Tue, Jun 18, 1991	10.25	10.50	10.17	10.17
260	NASDAQ	ATRI	Fri, Jun 14, 1991	10.17	10.50	10.17	10.50
259	NASDAQ	ATRI	Thu, Jun 13, 1991	10.50	10.50	10.33	10.33
258	NASDAQ	ATRI	Wed, Jun 12, 1991	10.67	10.67	10.17	10.17
257	NASDAQ	ATRI	Tue, Jun 11, 1991	10.67	10.67	10.50	10.50
256	NASDAQ	ATRI	Mon, Jun 10, 1991	10.83	10.83	10.83	10.83
255	NASDAQ	ATRI	Fri, Jun 7, 1991	10.83	10.83	10.50	10.50
254	NASDAQ	ATRI	Thu, Jun 6, 1991	10.67	10.83	10.67	10.67
253	NASDAQ	ATRI	Wed, Jun 5, 1991	10.67	10.67	10.67	10.67
252	NASDAQ	ATRI	Tue, Jun 4, 1991	10.75	10.83	10.50	10.50
251	NASDAQ	ATRI	Mon, Jun 3, 1991	10.83	10.83	10.58	10.58
250	NASDAQ	ATRI	Fri, May 31, 1991	10.50	10.83	10.50	10.83
249	NASDAQ	ATRI	Thu, May 30, 1991	10.83	10.83	10.50	10.83
248	NASDAQ	ATRI	Wed, May 29, 1991	10.67	10.67	10.67	10.67
247	NASDAQ	ATRI	Tue, May 28, 1991	10.67	10.67	10.67	10.67
246	NASDAQ	ATRI	Fri, May 24, 1991	10.33	10.67	10.33	10.33
245	NASDAQ	ATRI	Thu, May 23, 1991	10.58	10.58	10.33	10.33
244	NASDAQ	ATRI	Wed, May 22, 1991	10.50	10.50	10.33	10.33
243	NASDAQ	ATRI	Tue, May 21, 1991	10.17	10.50	10.00	10.17
242	NASDAQ	ATRI	Mon, May 20, 1991	10.00	10.17	10.00	10.17
241	NASDAQ	ATRI	Fri, May 17, 1991	10.17	10.17	10.08	10.17
240	NASDAQ	ATRI	Thu, May 16, 1991	10.08	10.17	9.83	10.17
239	NASDAQ	ATRI	Wed, May 15, 1991	9.83	10.17	9.83	10.17
238	NASDAQ	ATRI	Tue, May 14, 1991	10.17	10.17	10.00	10.17
237	NASDAQ	ATRI	Mon, May 13, 1991	10.00	10.17	10.00	10.00
236	NASDAQ	ATRI	Fri, May 10, 1991	10.17	10.17	9.92	9.92
235	NASDAQ	ATRI	Thu, May 9, 1991	10.00	10.17	9.83	10.00
234	NASDAQ	ATRI	Wed, May 8, 1991	9.83	10.00	9.83	10.00
233	NASDAQ	ATRI	Tue, May 7, 1991	9.83	10.17	9.83	10.00
232	NASDAQ	ATRI	Mon, May 6, 1991	10.00	10.17	9.92	9.92
231	NASDAQ	ATRI	Fri, May 3, 1991	10.00	10.17	10.00	10.17
230	NASDAQ	ATRI	Thu, May 2, 1991	9.92	10.00	9.92	10.00
229	NASDAQ	ATRI	Wed, May 1, 1991	10.08	10.08	9.83	9.83
228	NASDAQ	ATRI	Tue, Apr 30, 1991	9.83	10.17	9.83	10.17
227	NASDAQ	ATRI	Fri, Apr 26, 1991	9.83	9.83	9.83	9.83
226	NASDAQ	ATRI	Thu, Apr 25, 1991	10.33	10.33	10.33	10.33
225	NASDAQ	ATRI	Wed, Apr 24, 1991	9.92	10.33	9.92	10.33
224	NASDAQ	ATRI	Tue, Apr 23, 1991	9.92	10.17	9.92	10.17
223	NASDAQ	ATRI	Mon, Apr 22, 1991	10.17	10.17	9.83	9.83
222	NASDAQ	ATRI	Fri, Apr 19, 1991	10.17	10.17	9.83	10.00
221	NASDAQ	ATRI	Thu, Apr 18, 1991	10.33	10.33	9.83	9.83
220	NASDAQ	ATRI	Wed, Apr 17, 1991	10.00	10.33	10.00	10.33
219	NASDAQ	ATRI	Tue, Apr 16, 1991	10.33	10.33	10.17	10.17
218	NASDAQ	ATRI	Mon, Apr 15, 1991	10.33	10.33	10.17	10.17
217	NASDAQ	ATRI	Fri, Apr 12, 1991	10.17	10.33	10.17	10.33
216	NASDAQ	ATRI	Thu, Apr 11, 1991	10.17	10.25	10.17	10.17
215	NASDAQ	ATRI	Wed, Apr 10, 1991	10.17	10.17	10.17	10.17
214	NASDAQ	ATRI	Tue, Apr 9, 1991	10.17	10.25	10.17	10.25
213	NASDAQ	ATRI	Mon, Apr 8, 1991	10.33	10.33	10.17	10.17
212	NASDAQ	ATRI	Fri, Apr 5, 1991	10.50	10.50	10.17	10.17
211	NASDAQ	ATRI	Thu, Apr 4, 1991	10.50	10.50	10.17	10.50
210	NASDAQ	ATRI	Wed, Apr 3, 1991	10.17	10.25	10.17	10.25
209	NASDAQ	ATRI	Tue, Apr 2, 1991	10.17	10.50	10.17	10.50
208	NASDAQ	ATRI	Mon, Apr 1, 1991	10.33	10.50	10.17	10.25
207	NASDAQ	ATRI	Thu, Mar 28, 1991	10.17	10.17	10.17	10.17
206	NASDAQ	ATRI	Wed, Mar 27, 1991	10.17	10.67	10.17	10.17
205	NASDAQ	ATRI	Tue, Mar 26, 1991	10.42	10.42	10.17	10.17
204	NASDAQ	ATRI	Mon, Mar 25, 1991	10.17	10.33	10.17	10.25
203	NASDAQ	ATRI	Fri, Mar 22, 1991	10.17	10.67	10.17	10.67
202	NASDAQ	ATRI	Thu, Mar 21, 1991	10.17	10.83	10.17	10.83
201	NASDAQ	ATRI	Wed, Mar 20, 1991	10.50	10.50	10.17	10.17
200	NASDAQ	ATRI	Tue, Mar 19, 1991	10.00	10.50	10.00	10.50
199	NASDAQ	ATRI	Mon, Mar 18, 1991	10.17	10.50	10.17	10.50
198	NASDAQ	ATRI	Fri, Mar 15, 1991	10.17	10.17	10.17	10.17
197	NASDAQ	ATRI	Thu, Mar 14, 1991	10.00	10.17	10.00	10.17
196	NASDAQ	ATRI	Wed, Mar 13, 1991	10.00	10.33	10.00	10.00
195	NASDAQ	ATRI	Tue, Mar 12, 1991	10.25	10.25	10.00	10.00
194	NASDAQ	ATRI	Mon, Mar 11, 1991	10.00	10.00	10.00	10.00
193	NASDAQ	ATRI	Fri, Mar 8, 1991	10.00	10.33	10.00	10.17
192	NASDAQ	ATRI	Thu, Mar 7, 1991	9.83	10.00	9.83	10.00
191	NASDAQ	ATRI	Wed, Mar 6, 1991	10.17	10.33	10.00	10.00
190	NASDAQ	ATRI	Tue, Mar 5, 1991	10.00	10.17	9.83	10.17
189	NASDAQ	ATRI	Mon, Mar 4, 1991	9.67	10.17	9.67	9.67
188	NASDAQ	ATRI	Fri, Mar 1, 1991	9.67	9.67	9.50	9.67
187	NASDAQ	ATRI	Thu, Feb 28, 1991	9.58	9.67	9.42	9.50
186	NASDAQ	ATRI	Wed, Feb 27, 1991	9.33	9.67	9.33	9.67
185	NASDAQ	ATRI	Tue, Feb 26, 1991	9.50	9.67	9.33	9.67
184	NASDAQ	ATRI	Mon, Feb 25, 1991	9.33	9.33	9.33	9.33
183	NASDAQ	ATRI	Fri, Feb 22, 1991	9.33	9.67	9.33	9.33
182	NASDAQ	ATRI	Thu, Feb 21, 1991	9.33	9.33	9.33	9.33
181	NASDAQ	ATRI	Wed, Feb 20, 1991	9.33	9.33	9.33	9.33
180	NASDAQ	ATRI	Tue, Feb 19, 1991	9.33	9.67	9.33	9.67
179	NASDAQ	ATRI	Fri, Feb 15, 1991	9.33	9.58	9.33	9.58
178	NASDAQ	ATRI	Thu, Feb 14, 1991	9.67	9.83	9.33	9.33
177	NASDAQ	ATRI	Wed, Feb 13, 1991	9.67	9.67	9.67	9.67
176	NASDAQ	ATRI	Tue, Feb 12, 1991	10.00	10.00	9.67	9.67
175	NASDAQ	ATRI	Mon, Feb 11, 1991	9.67	10.00	9.67	9.67
174	NASDAQ	ATRI	Fri, Feb 8, 1991	9.50	10.17	9.50	10.17
173	NASDAQ	ATRI	Thu, Feb 7, 1991	9.83	9.83	9.50	9.83
172	NASDAQ	ATRI	Wed, Feb 6, 1991	9.83	9.83	9.83	9.83
171	NASDAQ	ATRI	Tue, Feb 5, 1991	9.50	9.83	9.50	9.83
170	NASDAQ	ATRI	Mon, Feb 4, 1991	9.50	9.83	9.50	9.50
169	NASDAQ	ATRI	Fri, Feb 1, 1991	9.50	9.50	9.50	9.50
168	NASDAQ	ATRI	Thu, Jan 31, 1991	9.50	9.83	9.33	9.50
167	NASDAQ	ATRI	Wed, Jan 30, 1991	9.17	9.50	9.17	9.17
166	NASDAQ	ATRI	Tue, Jan 29, 1991	9.33	9.33	9.00	9.33
165	NASDAQ	ATRI	Mon, Jan 28, 1991	9.00	9.00	9.00	9.00
164	NASDAQ	ATRI	Fri, Jan 25, 1991	9.33	9.33	9.33	9.33
163	NASDAQ	ATRI	Thu, Jan 24, 1991	9.00	9.00	9.00	9.00
162	NASDAQ	ATRI	Wed, Jan 23, 1991	9.17	9.25	9.17	9.25
161	NASDAQ	ATRI	Mon, Jan 21, 1991	9.00	9.00	9.00	9.00
160	NASDAQ	ATRI	Fri, Jan 18, 1991	9.00	9.17	9.00	9.17
159	NASDAQ	ATRI	Thu, Jan 17, 1991	9.17	9.17	9.17	9.17
158	NASDAQ	ATRI	Wed, Jan 16, 1991	9.33	9.33	9.00	9.00
157	NASDAQ	ATRI	Tue, Jan 15, 1991	9.33	9.50	9.33	9.50
156	NASDAQ	ATRI	Mon, Jan 14, 1991	9.33	9.33	9.33	9.33
155	NASDAQ	ATRI	Fri, Jan 11, 1991	9.50	9.67	9.50	9.67
154	NASDAQ	ATRI	Thu, Jan 10, 1991	9.67	9.67	9.33	9.67
153	NASDAQ	ATRI	Wed, Jan 9, 1991	9.50	9.50	9.33	9.50
152	NASDAQ	ATRI	Tue, Jan 8, 1991	9.33	9.83	9.33	9.42
151	NASDAQ	ATRI	Mon, Jan 7, 1991	9.42	9.50	9.33	9.50
150	NASDAQ	ATRI	Fri, Jan 4, 1991	9.33	9.67	9.33	9.67
149	NASDAQ	ATRI	Thu, Jan 3, 1991	9.33	9.67	9.33	9.67
148	NASDAQ	ATRI	Wed, Jan 2, 1991	9.33	9.67	9.33	9.50
147	NASDAQ	ATRI	Mon, Dec 31, 1990	9.33	9.50	9.17	9.50
146	NASDAQ	ATRI	Fri, Dec 28, 1990	9.00	9.33	9.00	9.17
145	NASDAQ	ATRI	Thu, Dec 27, 1990	9.00	9.00	9.00	9.00
144	NASDAQ	ATRI	Wed, Dec 26, 1990	9.33	9.33	9.17	9.17
143	NASDAQ	ATRI	Mon, Dec 24, 1990	9.33	9.33	9.00	9.00
142	NASDAQ	ATRI	Fri, Dec 21, 1990	9.00	9.00	9.00	9.00
141	NASDAQ	ATRI	Thu, Dec 20, 1990	9.00	9.17	9.00	9.17
140	NASDAQ	ATRI	Wed, Dec 19, 1990	9.00	9.00	8.83	8.83
139	NASDAQ	ATRI	Tue, Dec 18, 1990	8.75	9.17	8.75	9.00
138	NASDAQ	ATRI	Mon, Dec 17, 1990	8.75	8.75	8.50	8.67
137	NASDAQ	ATRI	Fri, Dec 14, 1990	8.75	8.75	8.50	8.67
136	NASDAQ	ATRI	Thu, Dec 13, 1990	8.75	8.75	8.75	8.75
135	NASDAQ	ATRI	Wed, Dec 12, 1990	8.67	8.75	8.67	8.67
134	NASDAQ	ATRI	Tue, Dec 11, 1990	8.75	8.75	8.50	8.50
133	NASDAQ	ATRI	Mon, Dec 10, 1990	8.75	8.75	8.67	8.67
132	NASDAQ	ATRI	Fri, Dec 7, 1990	8.67	8.75	8.67	8.75
131	NASDAQ	ATRI	Thu, Dec 6, 1990	8.75	8.75	8.50	8.67
130	NASDAQ	ATRI	Wed, Dec 5, 1990	8.75	8.75	8.58	8.58
129	NASDAQ	ATRI	Tue, Dec 4, 1990	8.67	8.75	8.50	8.50
128	NASDAQ	ATRI	Mon, Dec 3, 1990	8.33	8.33	8.33	8.33
127	NASDAQ	ATRI	Fri, Nov 30, 1990	8.50	8.67	8.33	8.67
126	NASDAQ	ATRI	Thu, Nov 29, 1990	8.50	8.67	8.17	8.17
125	NASDAQ	ATRI	Wed, Nov 28, 1990	8.33	8.67	8.33	8.33
124	NASDAQ	ATRI	Tue, Nov 27, 1990	8.50	8.67	8.33	8.67
123	NASDAQ	ATRI	Mon, Nov 26, 1990	8.83	8.83	8.33	8.33
122	NASDAQ	ATRI	Fri, Nov 23, 1990	8.50	8.83	8.50	8.83
121	NASDAQ	ATRI	Wed, Nov 21, 1990	8.67	9.17	8.67	8.67
120	NASDAQ	ATRI	Tue, Nov 20, 1990	8.50	9.17	8.50	9.17
119	NASDAQ	ATRI	Mon, Nov 19, 1990	8.50	8.50	8.33	8.50
118	NASDAQ	ATRI	Fri, Nov 16, 1990	8.17	8.17	8.17	8.17
117	NASDAQ	ATRI	Thu, Nov 15, 1990	8.00	8.33	8.00	8.33
116	NASDAQ	ATRI	Wed, Nov 14, 1990	8.00	8.33	8.00	8.33
115	NASDAQ	ATRI	Tue, Nov 13, 1990	8.17	8.33	7.67	8.33
114	NASDAQ	ATRI	Mon, Nov 12, 1990	7.67	8.00	7.67	7.92
113	NASDAQ	ATRI	Fri, Nov 9, 1990	7.50	7.67	7.50	7.67
112	NASDAQ	ATRI	Thu, Nov 8, 1990	7.67	7.67	7.00	7.50
111	NASDAQ	ATRI	Wed, Nov 7, 1990	7.83	7.83	7.33	7.33
110	NASDAQ	ATRI	Tue, Nov 6, 1990	8.00	8.00	7.83	7.83
109	NASDAQ	ATRI	Mon, Nov 5, 1990	8.00	8.00	8.00	8.00
108	NASDAQ	ATRI	Fri, Nov 2, 1990	7.83	7.83	7.83	7.83
107	NASDAQ	ATRI	Thu, Nov 1, 1990	7.67	7.67	7.50	7.50
106	NASDAQ	ATRI	Wed, Oct 31, 1990	7.83	7.83	7.50	7.67
105	NASDAQ	ATRI	Tue, Oct 30, 1990	7.83	7.83	7.50	7.50
104	NASDAQ	ATRI	Mon, Oct 29, 1990	7.58	7.58	7.58	7.58
103	NASDAQ	ATRI	Fri, Oct 26, 1990	7.83	7.83	7.50	7.83
102	NASDAQ	ATRI	Thu, Oct 25, 1990	7.83	8.00	7.50	8.00
101	NASDAQ	ATRI	Wed, Oct 24, 1990	7.83	7.83	7.83	7.83
100	NASDAQ	ATRI	Tue, Oct 23, 1990	8.00	8.00	7.58	7.83
99	NASDAQ	ATRI	Mon, Oct 22, 1990	7.67	8.00	7.33	7.58
98	NASDAQ	ATRI	Fri, Oct 19, 1990	7.67	7.83	7.67	7.83
97	NASDAQ	ATRI	Thu, Oct 18, 1990	8.00	8.00	7.83	8.00
96	NASDAQ	ATRI	Wed, Oct 17, 1990	7.83	8.17	7.83	8.17
95	NASDAQ	ATRI	Mon, Oct 15, 1990	7.83	7.83	7.83	7.83
94	NASDAQ	ATRI	Fri, Oct 12, 1990	8.33	8.33	8.33	8.33
93	NASDAQ	ATRI	Thu, Oct 11, 1990	7.67	8.00	7.58	8.00
92	NASDAQ	ATRI	Wed, Oct 10, 1990	8.08	8.17	8.08	8.17
91	NASDAQ	ATRI	Tue, Oct 9, 1990	8.25	8.25	7.67	7.67
90	NASDAQ	ATRI	Mon, Oct 8, 1990	8.25	8.25	8.25	8.25
89	NASDAQ	ATRI	Fri, Oct 5, 1990	8.00	8.08	8.00	8.08
88	NASDAQ	ATRI	Wed, Oct 3, 1990	8.25	8.25	8.00	8.08
87	NASDAQ	ATRI	Tue, Oct 2, 1990	8.33	8.33	8.00	8.25
86	NASDAQ	ATRI	Fri, Sep 28, 1990	8.00	8.17	8.00	8.17
85	NASDAQ	ATRI	Thu, Sep 27, 1990	8.00	8.00	8.00	8.00
84	NASDAQ	ATRI	Wed, Sep 26, 1990	8.17	8.17	8.17	8.17
83	NASDAQ	ATRI	Tue, Sep 25, 1990	8.00	8.00	8.00	8.00
82	NASDAQ	ATRI	Mon, Sep 24, 1990	8.33	8.33	8.00	8.00
81	NASDAQ	ATRI	Fri, Sep 21, 1990	7.83	8.33	7.83	8.33
80	NASDAQ	ATRI	Thu, Sep 20, 1990	8.33	8.33	7.83	7.83
79	NASDAQ	ATRI	Wed, Sep 19, 1990	8.17	8.33	8.17	8.33
78	NASDAQ	ATRI	Tue, Sep 18, 1990	8.17	8.17	8.17	8.17
77	NASDAQ	ATRI	Mon, Sep 17, 1990	8.17	8.17	8.00	8.08
76	NASDAQ	ATRI	Fri, Sep 14, 1990	8.33	8.33	8.00	8.00
75	NASDAQ	ATRI	Wed, Sep 12, 1990	7.83	8.33	7.83	8.33
74	NASDAQ	ATRI	Tue, Sep 11, 1990	7.83	8.17	7.67	8.17
73	NASDAQ	ATRI	Mon, Sep 10, 1990	8.08	8.33	8.08	8.08
72	NASDAQ	ATRI	Fri, Sep 7, 1990	8.33	8.33	8.00	8.17
71	NASDAQ	ATRI	Thu, Sep 6, 1990	8.33	8.33	8.00	8.00
70	NASDAQ	ATRI	Wed, Sep 5, 1990	8.50	8.50	8.17	8.17
69	NASDAQ	ATRI	Tue, Sep 4, 1990	8.50	8.50	8.00	8.33
68	NASDAQ	ATRI	Fri, Aug 31, 1990	8.50	8.50	8.50	8.50
67	NASDAQ	ATRI	Thu, Aug 30, 1990	8.50	8.50	8.17	8.42
66	NASDAQ	ATRI	Wed, Aug 29, 1990	8.17	8.17	8.17	8.17
65	NASDAQ	ATRI	Tue, Aug 28, 1990	8.50	8.50	8.17	8.17
64	NASDAQ	ATRI	Mon, Aug 27, 1990	8.25	8.33	8.17	8.33
63	NASDAQ	ATRI	Fri, Aug 24, 1990	8.25	8.42	8.25	8.42
62	NASDAQ	ATRI	Thu, Aug 23, 1990	8.17	8.42	8.17	8.42
61	NASDAQ	ATRI	Wed, Aug 22, 1990	8.50	8.50	8.33	8.33
60	NASDAQ	ATRI	Tue, Aug 21, 1990	8.33	8.50	8.33	8.50
59	NASDAQ	ATRI	Mon, Aug 20, 1990	8.67	8.67	8.33	8.50
58	NASDAQ	ATRI	Fri, Aug 17, 1990	8.50	8.50	8.33	8.33
57	NASDAQ	ATRI	Thu, Aug 16, 1990	8.83	8.83	8.50	8.50
56	NASDAQ	ATRI	Wed, Aug 15, 1990	8.50	8.67	8.50	8.67
55	NASDAQ	ATRI	Tue, Aug 14, 1990	8.33	8.42	8.33	8.42
54	NASDAQ	ATRI	Mon, Aug 13, 1990	8.33	8.50	8.33	8.50
53	NASDAQ	ATRI	Fri, Aug 10, 1990	8.33	8.33	8.33	8.33
52	NASDAQ	ATRI	Thu, Aug 9, 1990	8.33	8.67	8.33	8.33
51	NASDAQ	ATRI	Wed, Aug 8, 1990	8.67	8.67	8.67	8.67
50	NASDAQ	ATRI	Tue, Aug 7, 1990	8.67	8.67	8.33	8.33
49	NASDAQ	ATRI	Mon, Aug 6, 1990	8.67	8.67	8.67	8.67
48	NASDAQ	ATRI	Fri, Aug 3, 1990	8.83	8.83	8.50	8.83
47	NASDAQ	ATRI	Thu, Aug 2, 1990	8.83	8.83	8.50	8.67
46	NASDAQ	ATRI	Wed, Aug 1, 1990	8.67	8.83	8.58	8.67
45	NASDAQ	ATRI	Tue, Jul 31, 1990	8.33	8.50	8.33	8.50
44	NASDAQ	ATRI	Mon, Jul 30, 1990	8.33	8.50	8.33	8.50
43	NASDAQ	ATRI	Fri, Jul 27, 1990	8.33	8.67	8.33	8.33
42	NASDAQ	ATRI	Thu, Jul 26, 1990	8.67	8.67	8.67	8.67
41	NASDAQ	ATRI	Wed, Jul 25, 1990	8.50	8.50	8.33	8.33
40	NASDAQ	ATRI	Tue, Jul 24, 1990	8.17	8.50	8.17	8.17
39	NASDAQ	ATRI	Mon, Jul 23, 1990	8.17	8.50	8.00	8.17
38	NASDAQ	ATRI	Fri, Jul 20, 1990	8.50	8.50	8.17	8.17
37	NASDAQ	ATRI	Thu, Jul 19, 1990	8.50	8.50	8.17	8.17
36	NASDAQ	ATRI	Wed, Jul 18, 1990	8.17	8.50	8.17	8.50
35	NASDAQ	ATRI	Tue, Jul 17, 1990	8.50	8.67	8.33	8.33
34	NASDAQ	ATRI	Mon, Jul 16, 1990	8.83	8.83	8.50	8.67
33	NASDAQ	ATRI	Fri, Jul 13, 1990	8.67	8.67	8.33	8.50
32	NASDAQ	ATRI	Thu, Jul 12, 1990	8.67	8.67	8.33	8.67
31	NASDAQ	ATRI	Wed, Jul 11, 1990	8.67	8.67	8.33	8.67
30	NASDAQ	ATRI	Tue, Jul 10, 1990	8.67	8.83	8.50	8.67
29	NASDAQ	ATRI	Mon, Jul 9, 1990	8.50	8.83	8.50	8.83
28	NASDAQ	ATRI	Fri, Jul 6, 1990	8.67	8.83	8.50	8.50
27	NASDAQ	ATRI	Thu, Jul 5, 1990	8.50	8.67	8.50	8.67
26	NASDAQ	ATRI	Tue, Jul 3, 1990	8.33	8.67	8.33	8.67
25	NASDAQ	ATRI	Mon, Jul 2, 1990	8.50	8.50	8.33	8.50
24	NASDAQ	ATRI	Fri, Jun 29, 1990	8.33	8.67	8.33	8.67
23	NASDAQ	ATRI	Thu, Jun 28, 1990	8.67	8.83	8.33	8.67
22	NASDAQ	ATRI	Wed, Jun 27, 1990	8.83	8.83	8.33	8.33
21	NASDAQ	ATRI	Tue, Jun 26, 1990	8.67	8.83	8.50	8.83
20	NASDAQ	ATRI	Mon, Jun 25, 1990	8.83	8.83	8.83	8.83
19	NASDAQ	ATRI	Fri, Jun 22, 1990	9.33	9.33	8.83	8.83
18	NASDAQ	ATRI	Thu, Jun 21, 1990	9.17	9.17	8.83	9.00
17	NASDAQ	ATRI	Wed, Jun 20, 1990	9.00	9.17	8.67	9.00
16	NASDAQ	ATRI	Tue, Jun 19, 1990	8.67	9.00	8.67	9.00
15	NASDAQ	ATRI	Mon, Jun 18, 1990	9.00	9.00	8.50	8.75
14	NASDAQ	ATRI	Fri, Jun 15, 1990	9.17	9.17	8.50	8.50
13	NASDAQ	ATRI	Thu, Jun 14, 1990	8.67	9.00	8.50	8.83
12	NASDAQ	ATRI	Wed, Jun 13, 1990	8.50	8.67	8.33	8.67
11	NASDAQ	ATRI	Tue, Jun 12, 1990	8.33	8.50	8.17	8.17
10	NASDAQ	ATRI	Mon, Jun 11, 1990	8.33	8.33	8.17	8.17
9	NASDAQ	ATRI	Fri, Jun 8, 1990	7.83	8.17	7.83	8.00
8	NASDAQ	ATRI	Thu, Jun 7, 1990	8.00	8.33	7.67	8.17
7	NASDAQ	ATRI	Wed, Jun 6, 1990	7.58	8.00	7.50	8.00
6	NASDAQ	ATRI	Tue, Jun 5, 1990	7.83	8.00	7.50	7.50
5	NASDAQ	ATRI	Mon, Jun 4, 1990	7.83	7.83	7.83	7.83
4	NASDAQ	ATRI	Fri, Jun 1, 1990	7.50	7.83	7.50	7.83
3	NASDAQ	ATRI	Thu, May 31, 1990	7.83	7.83	7.83	7.83
2	NASDAQ	ATRI	Wed, May 30, 1990	7.50	7.83	7.50	7.83
1	NASDAQ	ATRI	Tue, May 29, 1990	7.33	7.83	7.33	7.83
#	Exchange	Symbol	Date	Open	High	Low	Close

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