Avnet Inc NASDAQ:AVT Historical Prices

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

#	Exchange	Symbol	Date	Open	High	Low	Close
8000	NASDAQ	AVT	Wed, Mar 6, 2024	47.76	47.82	47.19	47.43
7999	NASDAQ	AVT	Tue, Mar 5, 2024	47.06	47.73	46.91	47.27
7998	NASDAQ	AVT	Mon, Mar 4, 2024	47.86	48.19	47.16	47.59
7997	NASDAQ	AVT	Fri, Mar 1, 2024	46.50	47.60	46.48	47.57
7996	NASDAQ	AVT	Thu, Feb 29, 2024	46.72	46.95	46.30	46.59
7995	NASDAQ	AVT	Wed, Feb 28, 2024	45.58	46.37	45.45	46.34
7994	NASDAQ	AVT	Tue, Feb 27, 2024	46.32	46.50	45.63	45.99
7993	NASDAQ	AVT	Mon, Feb 26, 2024	46.31	46.36	45.67	46.10
7992	NASDAQ	AVT	Fri, Feb 23, 2024	46.43	46.63	46.13	46.34
7991	NASDAQ	AVT	Thu, Feb 22, 2024	46.04	46.53	45.85	46.44
7990	NASDAQ	AVT	Wed, Feb 21, 2024	44.93	45.77	44.78	45.70
7989	NASDAQ	AVT	Tue, Feb 20, 2024	44.69	45.09	44.42	45.04
7988	NASDAQ	AVT	Fri, Feb 16, 2024	45.44	45.51	44.97	45.04
7987	NASDAQ	AVT	Thu, Feb 15, 2024	45.31	45.56	45.10	45.47
7986	NASDAQ	AVT	Wed, Feb 14, 2024	44.42	45.09	44.27	45.08
7985	NASDAQ	AVT	Tue, Feb 13, 2024	44.56	44.90	43.78	44.10
7984	NASDAQ	AVT	Mon, Feb 12, 2024	45.02	45.66	44.90	45.43
7983	NASDAQ	AVT	Fri, Feb 9, 2024	44.98	45.01	44.40	44.92
7982	NASDAQ	AVT	Thu, Feb 8, 2024	43.94	44.88	43.62	44.72
7981	NASDAQ	AVT	Wed, Feb 7, 2024	44.74	44.74	43.88	43.95
7980	NASDAQ	AVT	Tue, Feb 6, 2024	44.93	45.05	44.28	44.43
7979	NASDAQ	AVT	Mon, Feb 5, 2024	45.17	45.56	44.92	45.11
7978	NASDAQ	AVT	Fri, Feb 2, 2024	45.27	45.93	44.67	45.64
7977	NASDAQ	AVT	Thu, Feb 1, 2024	45.34	45.46	44.43	45.36
7976	NASDAQ	AVT	Wed, Jan 31, 2024	45.44	46.78	44.88	45.30
7975	NASDAQ	AVT	Tue, Jan 30, 2024	47.80	48.19	47.51	47.87
7974	NASDAQ	AVT	Mon, Jan 29, 2024	47.07	47.65	46.31	47.60
7973	NASDAQ	AVT	Fri, Jan 26, 2024	47.62	48.05	47.08	47.28
7972	NASDAQ	AVT	Thu, Jan 25, 2024	48.34	48.54	47.77	47.83
7971	NASDAQ	AVT	Wed, Jan 24, 2024	48.56	48.63	47.97	48.06
7970	NASDAQ	AVT	Tue, Jan 23, 2024	48.16	48.31	47.91	48.16
7969	NASDAQ	AVT	Mon, Jan 22, 2024	47.84	48.13	47.73	47.93
7968	NASDAQ	AVT	Fri, Jan 19, 2024	47.56	47.63	47.00	47.58
7967	NASDAQ	AVT	Thu, Jan 18, 2024	46.80	47.24	46.37	47.22
7966	NASDAQ	AVT	Wed, Jan 17, 2024	46.21	46.45	45.85	46.20
7965	NASDAQ	AVT	Tue, Jan 16, 2024	46.85	47.07	46.38	46.85
7964	NASDAQ	AVT	Fri, Jan 12, 2024	47.81	47.81	46.98	47.10
7963	NASDAQ	AVT	Thu, Jan 11, 2024	47.22	47.50	46.99	47.48
7962	NASDAQ	AVT	Wed, Jan 10, 2024	47.34	47.55	46.96	47.38
7961	NASDAQ	AVT	Tue, Jan 9, 2024	47.40	47.64	46.95	47.34
7960	NASDAQ	AVT	Mon, Jan 8, 2024	47.30	48.03	47.30	47.99
7959	NASDAQ	AVT	Fri, Jan 5, 2024	47.48	48.13	47.30	47.49
7958	NASDAQ	AVT	Thu, Jan 4, 2024	48.08	48.22	47.50	47.64
7957	NASDAQ	AVT	Wed, Jan 3, 2024	48.68	48.80	48.18	48.38
7956	NASDAQ	AVT	Tue, Jan 2, 2024	49.96	49.96	48.87	49.18
7955	NASDAQ	AVT	Fri, Dec 29, 2023	50.49	50.64	49.88	50.40
7954	NASDAQ	AVT	Thu, Dec 28, 2023	50.69	50.79	50.50	50.67
7953	NASDAQ	AVT	Wed, Dec 27, 2023	51.02	51.02	50.44	50.74
7952	NASDAQ	AVT	Tue, Dec 26, 2023	50.60	51.06	50.48	50.89
7951	NASDAQ	AVT	Fri, Dec 22, 2023	49.88	50.50	49.88	50.44
7950	NASDAQ	AVT	Thu, Dec 21, 2023	49.50	49.93	49.16	49.74
7949	NASDAQ	AVT	Wed, Dec 20, 2023	49.47	49.95	49.11	49.26
7948	NASDAQ	AVT	Tue, Dec 19, 2023	49.08	49.66	48.82	49.50
7947	NASDAQ	AVT	Mon, Dec 18, 2023	49.37	49.37	48.54	49.02
7946	NASDAQ	AVT	Fri, Dec 15, 2023	49.45	50.06	48.96	49.22
7945	NASDAQ	AVT	Thu, Dec 14, 2023	48.43	49.67	48.33	49.49
7944	NASDAQ	AVT	Wed, Dec 13, 2023	47.90	48.25	47.10	48.16
7943	NASDAQ	AVT	Tue, Dec 12, 2023	47.97	48.46	47.80	48.00
7942	NASDAQ	AVT	Mon, Dec 11, 2023	47.50	48.29	47.36	48.15
7941	NASDAQ	AVT	Fri, Dec 8, 2023	46.88	47.62	46.88	47.50
7940	NASDAQ	AVT	Thu, Dec 7, 2023	46.21	46.90	46.02	46.88
7939	NASDAQ	AVT	Wed, Dec 6, 2023	46.67	47.29	45.96	46.01
7938	NASDAQ	AVT	Tue, Dec 5, 2023	47.14	47.14	46.40	46.47
7937	NASDAQ	AVT	Mon, Dec 4, 2023	47.19	47.66	46.92	47.62
7936	NASDAQ	AVT	Fri, Dec 1, 2023	46.61	47.43	46.50	47.43
7935	NASDAQ	AVT	Thu, Nov 30, 2023	46.98	47.21	46.64	46.76
7934	NASDAQ	AVT	Wed, Nov 29, 2023	46.82	46.97	46.38	46.89
7933	NASDAQ	AVT	Tue, Nov 28, 2023	47.03	47.39	46.47	46.50
7932	NASDAQ	AVT	Mon, Nov 27, 2023	47.11	47.33	46.82	47.02
7931	NASDAQ	AVT	Fri, Nov 24, 2023	47.27	47.39	46.95	47.21
7930	NASDAQ	AVT	Wed, Nov 22, 2023	47.58	47.85	46.96	47.29
7929	NASDAQ	AVT	Tue, Nov 21, 2023	47.93	47.93	47.16	47.17
7928	NASDAQ	AVT	Mon, Nov 20, 2023	47.63	48.04	47.34	47.98
7927	NASDAQ	AVT	Fri, Nov 17, 2023	48.06	48.29	47.53	47.76
7926	NASDAQ	AVT	Thu, Nov 16, 2023	48.38	48.83	47.34	47.83
7925	NASDAQ	AVT	Wed, Nov 15, 2023	47.99	49.43	47.99	48.70
7924	NASDAQ	AVT	Tue, Nov 14, 2023	46.90	47.93	46.88	47.88
7923	NASDAQ	AVT	Mon, Nov 13, 2023	46.30	46.50	46.04	46.05
7922	NASDAQ	AVT	Fri, Nov 10, 2023	45.47	46.61	45.29	46.61
7921	NASDAQ	AVT	Thu, Nov 9, 2023	45.76	45.87	45.19	45.29
7920	NASDAQ	AVT	Wed, Nov 8, 2023	45.74	46.24	45.35	45.54
7919	NASDAQ	AVT	Tue, Nov 7, 2023	45.98	46.31	45.49	46.05
7918	NASDAQ	AVT	Mon, Nov 6, 2023	46.53	46.76	46.01	46.22
7917	NASDAQ	AVT	Fri, Nov 3, 2023	46.13	46.84	45.89	46.60
7916	NASDAQ	AVT	Thu, Nov 2, 2023	46.13	46.13	42.67	45.37
7915	NASDAQ	AVT	Wed, Nov 1, 2023	46.10	46.57	45.53	46.14
7914	NASDAQ	AVT	Tue, Oct 31, 2023	45.84	46.45	45.70	46.33
7913	NASDAQ	AVT	Mon, Oct 30, 2023	46.24	46.24	45.39	45.89
7912	NASDAQ	AVT	Fri, Oct 27, 2023	46.11	46.24	45.51	45.69
7911	NASDAQ	AVT	Thu, Oct 26, 2023	45.67	46.45	45.67	46.06
7910	NASDAQ	AVT	Wed, Oct 25, 2023	46.02	46.46	45.22	45.41
7909	NASDAQ	AVT	Tue, Oct 24, 2023	46.70	46.86	46.11	46.29
7908	NASDAQ	AVT	Mon, Oct 23, 2023	46.47	46.64	46.00	46.49
7907	NASDAQ	AVT	Fri, Oct 20, 2023	46.35	46.84	46.12	46.60
7906	NASDAQ	AVT	Thu, Oct 19, 2023	47.08	47.24	46.13	46.35
7905	NASDAQ	AVT	Wed, Oct 18, 2023	47.65	47.74	47.01	47.09
7904	NASDAQ	AVT	Tue, Oct 17, 2023	47.30	48.18	47.30	47.97
7903	NASDAQ	AVT	Mon, Oct 16, 2023	47.66	48.27	47.32	47.76
7902	NASDAQ	AVT	Fri, Oct 13, 2023	48.09	48.14	47.23	47.24
7901	NASDAQ	AVT	Thu, Oct 12, 2023	48.84	48.84	47.64	48.06
7900	NASDAQ	AVT	Wed, Oct 11, 2023	48.78	49.58	48.50	48.67
7899	NASDAQ	AVT	Tue, Oct 10, 2023	48.33	48.87	48.25	48.67
7898	NASDAQ	AVT	Mon, Oct 9, 2023	48.17	48.28	47.69	48.12
7897	NASDAQ	AVT	Fri, Oct 6, 2023	48.03	48.72	47.79	48.39
7896	NASDAQ	AVT	Thu, Oct 5, 2023	47.82	48.22	47.51	48.08
7895	NASDAQ	AVT	Wed, Oct 4, 2023	47.53	48.08	47.49	48.00
7894	NASDAQ	AVT	Tue, Oct 3, 2023	48.00	48.44	47.31	47.56
7893	NASDAQ	AVT	Mon, Oct 2, 2023	48.10	48.68	48.10	48.39
7892	NASDAQ	AVT	Fri, Sep 29, 2023	49.03	49.22	48.07	48.19
7891	NASDAQ	AVT	Thu, Sep 28, 2023	47.69	49.29	47.69	48.96
7890	NASDAQ	AVT	Wed, Sep 27, 2023	47.21	47.84	47.21	47.61
7889	NASDAQ	AVT	Tue, Sep 26, 2023	47.86	47.93	46.94	46.98
7888	NASDAQ	AVT	Mon, Sep 25, 2023	47.51	48.53	47.40	48.25
7887	NASDAQ	AVT	Fri, Sep 22, 2023	47.69	48.25	47.63	47.69
7886	NASDAQ	AVT	Thu, Sep 21, 2023	47.43	47.85	47.20	47.51
7885	NASDAQ	AVT	Wed, Sep 20, 2023	48.00	48.55	47.73	47.73
7884	NASDAQ	AVT	Tue, Sep 19, 2023	47.79	48.27	47.77	48.00
7883	NASDAQ	AVT	Mon, Sep 18, 2023	47.77	48.18	47.66	47.76
7882	NASDAQ	AVT	Fri, Sep 15, 2023	48.26	48.54	47.50	47.78
7881	NASDAQ	AVT	Thu, Sep 14, 2023	47.81	48.48	47.81	48.36
7880	NASDAQ	AVT	Wed, Sep 13, 2023	47.89	48.08	47.33	47.46
7879	NASDAQ	AVT	Tue, Sep 12, 2023	47.53	48.21	47.53	47.98
7878	NASDAQ	AVT	Mon, Sep 11, 2023	48.21	48.22	48.21	48.22
7877	NASDAQ	AVT	Fri, Sep 8, 2023	48.19	48.49	47.97	48.02
7876	NASDAQ	AVT	Thu, Sep 7, 2023	49.09	49.09	47.91	48.08
7875	NASDAQ	AVT	Wed, Sep 6, 2023	49.82	50.17	49.31	49.39
7874	NASDAQ	AVT	Tue, Sep 5, 2023	51.00	51.00	49.41	49.80
7873	NASDAQ	AVT	Fri, Sep 1, 2023	51.01	51.65	50.75	50.99
7872	NASDAQ	AVT	Thu, Aug 31, 2023	50.60	51.27	50.60	50.75
7871	NASDAQ	AVT	Wed, Aug 30, 2023	50.15	50.86	50.04	50.53
7870	NASDAQ	AVT	Tue, Aug 29, 2023	49.26	50.08	49.16	50.01
7869	NASDAQ	AVT	Mon, Aug 28, 2023	49.79	50.07	49.32	49.42
7868	NASDAQ	AVT	Fri, Aug 25, 2023	48.94	49.73	48.90	49.48
7867	NASDAQ	AVT	Thu, Aug 24, 2023	49.76	50.04	48.69	48.82
7866	NASDAQ	AVT	Wed, Aug 23, 2023	48.70	49.82	48.50	49.61
7865	NASDAQ	AVT	Tue, Aug 22, 2023	48.92	49.31	48.65	48.91
7864	NASDAQ	AVT	Mon, Aug 21, 2023	48.55	49.17	48.55	48.90
7863	NASDAQ	AVT	Fri, Aug 18, 2023	48.27	49.41	48.03	48.55
7862	NASDAQ	AVT	Thu, Aug 17, 2023	48.35	49.94	47.74	48.58
7861	NASDAQ	AVT	Wed, Aug 16, 2023	45.40	46.03	44.60	44.95
7860	NASDAQ	AVT	Tue, Aug 15, 2023	45.94	46.04	45.61	45.64
7859	NASDAQ	AVT	Mon, Aug 14, 2023	45.83	46.36	45.63	46.12
7858	NASDAQ	AVT	Fri, Aug 11, 2023	45.86	46.19	45.74	45.83
7857	NASDAQ	AVT	Thu, Aug 10, 2023	46.12	46.71	45.83	45.94
7856	NASDAQ	AVT	Wed, Aug 9, 2023	46.04	46.23	45.62	45.86
7855	NASDAQ	AVT	Tue, Aug 8, 2023	45.39	46.10	45.10	46.06
7854	NASDAQ	AVT	Mon, Aug 7, 2023	45.64	46.16	45.53	45.77
7853	NASDAQ	AVT	Fri, Aug 4, 2023	45.84	46.21	45.38	45.57
7852	NASDAQ	AVT	Thu, Aug 3, 2023	47.89	47.89	45.73	45.88
7851	NASDAQ	AVT	Wed, Aug 2, 2023	48.21	48.48	47.52	48.13
7850	NASDAQ	AVT	Tue, Aug 1, 2023	48.17	48.63	48.10	48.54
7849	NASDAQ	AVT	Mon, Jul 31, 2023	47.95	48.54	47.89	48.50
7848	NASDAQ	AVT	Fri, Jul 28, 2023	48.30	48.74	47.66	47.82
7847	NASDAQ	AVT	Thu, Jul 27, 2023	48.34	48.84	47.94	48.06
7846	NASDAQ	AVT	Wed, Jul 26, 2023	48.08	48.12	47.57	47.97
7845	NASDAQ	AVT	Tue, Jul 25, 2023	47.51	48.62	47.29	48.08
7844	NASDAQ	AVT	Mon, Jul 24, 2023	47.43	47.79	47.09	47.49
7843	NASDAQ	AVT	Fri, Jul 21, 2023	47.98	48.09	47.05	47.32
7842	NASDAQ	AVT	Thu, Jul 20, 2023	48.77	48.85	47.76	47.91
7841	NASDAQ	AVT	Wed, Jul 19, 2023	49.61	49.83	48.63	48.79
7840	NASDAQ	AVT	Tue, Jul 18, 2023	49.04	49.95	48.84	49.62
7839	NASDAQ	AVT	Mon, Jul 17, 2023	49.08	49.53	48.86	49.20
7838	NASDAQ	AVT	Fri, Jul 14, 2023	50.55	50.55	49.11	49.15
7837	NASDAQ	AVT	Thu, Jul 13, 2023	50.17	50.67	50.07	50.61
7836	NASDAQ	AVT	Wed, Jul 12, 2023	50.60	50.72	49.88	50.01
7835	NASDAQ	AVT	Tue, Jul 11, 2023	49.76	50.09	49.53	50.04
7834	NASDAQ	AVT	Mon, Jul 10, 2023	49.49	49.56	49.24	49.38
7833	NASDAQ	AVT	Fri, Jul 7, 2023	49.52	50.06	49.35	49.61
7832	NASDAQ	AVT	Thu, Jul 6, 2023	49.35	49.70	48.71	49.29
7831	NASDAQ	AVT	Wed, Jul 5, 2023	49.86	50.01	49.14	49.74
7830	NASDAQ	AVT	Mon, Jul 3, 2023	50.34	50.70	49.64	50.09
7829	NASDAQ	AVT	Fri, Jun 30, 2023	49.98	51.00	49.59	50.45
7828	NASDAQ	AVT	Thu, Jun 29, 2023	48.02	49.68	47.88	49.66
7827	NASDAQ	AVT	Wed, Jun 28, 2023	47.26	47.91	47.11	47.87
7826	NASDAQ	AVT	Tue, Jun 27, 2023	46.90	47.52	45.58	47.48
7825	NASDAQ	AVT	Mon, Jun 26, 2023	47.40	47.94	47.11	47.13
7824	NASDAQ	AVT	Fri, Jun 23, 2023	47.30	47.49	46.94	47.23
7823	NASDAQ	AVT	Thu, Jun 22, 2023	47.52	47.70	47.01	47.64
7822	NASDAQ	AVT	Wed, Jun 21, 2023	47.59	47.97	47.41	47.60
7821	NASDAQ	AVT	Tue, Jun 20, 2023	48.00	48.04	47.30	47.77
7820	NASDAQ	AVT	Fri, Jun 16, 2023	48.60	48.60	47.78	48.01
7819	NASDAQ	AVT	Thu, Jun 15, 2023	48.38	49.16	48.35	48.48
7818	NASDAQ	AVT	Wed, Jun 14, 2023	48.17	48.96	47.83	48.50
7817	NASDAQ	AVT	Tue, Jun 13, 2023	47.50	48.46	47.45	48.33
7816	NASDAQ	AVT	Mon, Jun 12, 2023	46.37	47.44	46.37	47.37
7815	NASDAQ	AVT	Fri, Jun 9, 2023	46.80	47.18	46.42	46.56
7814	NASDAQ	AVT	Thu, Jun 8, 2023	46.35	46.78	45.86	46.76
7813	NASDAQ	AVT	Wed, Jun 7, 2023	44.99	46.45	44.78	46.34
7812	NASDAQ	AVT	Tue, Jun 6, 2023	43.30	44.67	43.25	44.60
7811	NASDAQ	AVT	Mon, Jun 5, 2023	44.13	44.55	42.98	43.62
7810	NASDAQ	AVT	Fri, Jun 2, 2023	43.72	44.67	43.72	44.58
7809	NASDAQ	AVT	Thu, Jun 1, 2023	43.91	44.13	43.20	43.37
7808	NASDAQ	AVT	Wed, May 31, 2023	44.46	44.58	43.49	43.84
7807	NASDAQ	AVT	Tue, May 30, 2023	45.52	46.03	44.53	44.98
7806	NASDAQ	AVT	Fri, May 26, 2023	44.23	45.40	44.23	45.31
7805	NASDAQ	AVT	Thu, May 25, 2023	42.42	44.32	42.42	44.00
7804	NASDAQ	AVT	Wed, May 24, 2023	42.54	42.54	41.92	42.21
7803	NASDAQ	AVT	Tue, May 23, 2023	42.39	43.07	42.34	42.71
7802	NASDAQ	AVT	Mon, May 22, 2023	42.54	42.97	42.21	42.55
7801	NASDAQ	AVT	Fri, May 19, 2023	42.90	42.95	42.25	42.43
7800	NASDAQ	AVT	Thu, May 18, 2023	41.84	42.70	41.52	42.63
7799	NASDAQ	AVT	Wed, May 17, 2023	41.30	42.27	41.19	41.86
7798	NASDAQ	AVT	Tue, May 16, 2023	41.13	41.97	41.08	41.12
7797	NASDAQ	AVT	Mon, May 15, 2023	41.58	41.74	40.98	41.32
7796	NASDAQ	AVT	Fri, May 12, 2023	41.76	41.79	40.44	41.31
7795	NASDAQ	AVT	Thu, May 11, 2023	41.80	42.03	41.33	41.63
7794	NASDAQ	AVT	Wed, May 10, 2023	41.84	42.12	41.35	41.98
7793	NASDAQ	AVT	Tue, May 9, 2023	41.11	41.59	40.74	41.51
7792	NASDAQ	AVT	Mon, May 8, 2023	42.85	42.85	41.30	41.34
7791	NASDAQ	AVT	Fri, May 5, 2023	42.99	43.06	42.03	42.76
7790	NASDAQ	AVT	Thu, May 4, 2023	41.15	43.54	40.80	42.41
7789	NASDAQ	AVT	Wed, May 3, 2023	40.94	41.47	40.66	40.74
7788	NASDAQ	AVT	Tue, May 2, 2023	40.89	41.18	40.00	40.78
7787	NASDAQ	AVT	Mon, May 1, 2023	41.21	41.71	41.10	41.13
7786	NASDAQ	AVT	Fri, Apr 28, 2023	40.77	41.26	40.45	41.26
7785	NASDAQ	AVT	Thu, Apr 27, 2023	40.49	40.65	39.64	40.64
7784	NASDAQ	AVT	Wed, Apr 26, 2023	40.32	40.81	40.22	40.42
7783	NASDAQ	AVT	Tue, Apr 25, 2023	40.69	40.84	40.20	40.42
7782	NASDAQ	AVT	Mon, Apr 24, 2023	41.38	41.60	40.77	41.03
7781	NASDAQ	AVT	Fri, Apr 21, 2023	41.47	41.63	41.00	41.58
7780	NASDAQ	AVT	Thu, Apr 20, 2023	41.33	41.76	41.22	41.47
7779	NASDAQ	AVT	Wed, Apr 19, 2023	42.54	42.63	41.49	41.70
7778	NASDAQ	AVT	Tue, Apr 18, 2023	43.94	44.02	42.85	42.98
7777	NASDAQ	AVT	Mon, Apr 17, 2023	43.87	44.14	43.57	43.89
7776	NASDAQ	AVT	Fri, Apr 14, 2023	44.00	44.53	43.68	43.99
7775	NASDAQ	AVT	Thu, Apr 13, 2023	43.86	44.29	43.37	44.14
7774	NASDAQ	AVT	Wed, Apr 12, 2023	44.60	44.66	43.80	43.86
7773	NASDAQ	AVT	Tue, Apr 11, 2023	43.99	44.41	43.99	44.14
7772	NASDAQ	AVT	Mon, Apr 10, 2023	43.25	43.89	43.18	43.83
7771	NASDAQ	AVT	Thu, Apr 6, 2023	43.64	43.64	43.14	43.26
7770	NASDAQ	AVT	Wed, Apr 5, 2023	43.71	43.87	43.31	43.79
7769	NASDAQ	AVT	Tue, Apr 4, 2023	45.24	45.24	43.75	44.00
7768	NASDAQ	AVT	Mon, Apr 3, 2023	45.12	45.43	44.71	45.11
7767	NASDAQ	AVT	Fri, Mar 31, 2023	44.43	45.29	44.43	45.20
7766	NASDAQ	AVT	Thu, Mar 30, 2023	44.40	44.79	44.25	44.45
7765	NASDAQ	AVT	Wed, Mar 29, 2023	43.62	44.19	43.54	44.10
7764	NASDAQ	AVT	Tue, Mar 28, 2023	43.03	43.38	42.92	43.22
7763	NASDAQ	AVT	Mon, Mar 27, 2023	43.61	43.81	43.13	43.26
7762	NASDAQ	AVT	Fri, Mar 24, 2023	42.65	43.48	42.30	43.34
7761	NASDAQ	AVT	Thu, Mar 23, 2023	42.93	43.73	42.81	42.99
7760	NASDAQ	AVT	Wed, Mar 22, 2023	43.06	43.70	42.62	42.63
7759	NASDAQ	AVT	Tue, Mar 21, 2023	44.05	44.27	43.18	43.29
7758	NASDAQ	AVT	Mon, Mar 20, 2023	43.44	43.84	43.14	43.52
7757	NASDAQ	AVT	Fri, Mar 17, 2023	43.46	43.46	42.55	43.08
7756	NASDAQ	AVT	Thu, Mar 16, 2023	41.54	43.29	41.26	43.28
7755	NASDAQ	AVT	Wed, Mar 15, 2023	42.12	42.55	41.27	41.94
7754	NASDAQ	AVT	Tue, Mar 14, 2023	43.05	43.67	42.60	43.12
7753	NASDAQ	AVT	Mon, Mar 13, 2023	42.37	42.81	42.05	42.32
7752	NASDAQ	AVT	Fri, Mar 10, 2023	43.66	44.28	42.45	42.95
7751	NASDAQ	AVT	Thu, Mar 9, 2023	45.00	45.34	43.83	43.84
7750	NASDAQ	AVT	Wed, Mar 8, 2023	44.43	44.91	44.39	44.89
7749	NASDAQ	AVT	Tue, Mar 7, 2023	44.83	45.11	44.22	44.39
7748	NASDAQ	AVT	Mon, Mar 6, 2023	45.65	45.82	44.83	44.98
7747	NASDAQ	AVT	Fri, Mar 3, 2023	45.75	45.80	45.45	45.57
7746	NASDAQ	AVT	Thu, Mar 2, 2023	44.90	45.56	44.73	45.46
7745	NASDAQ	AVT	Wed, Mar 1, 2023	44.66	45.51	44.66	45.22
7744	NASDAQ	AVT	Tue, Feb 28, 2023	44.89	45.21	44.67	44.71
7743	NASDAQ	AVT	Mon, Feb 27, 2023	45.82	46.22	45.20	45.34
7742	NASDAQ	AVT	Fri, Feb 24, 2023	45.39	45.70	45.00	45.61
7741	NASDAQ	AVT	Thu, Feb 23, 2023	45.91	46.23	45.18	45.76
7740	NASDAQ	AVT	Wed, Feb 22, 2023	45.08	45.88	45.08	45.44
7739	NASDAQ	AVT	Tue, Feb 21, 2023	46.00	46.40	45.40	45.43
7738	NASDAQ	AVT	Fri, Feb 17, 2023	46.46	46.66	46.10	46.43
7737	NASDAQ	AVT	Thu, Feb 16, 2023	45.84	46.59	45.71	46.43
7736	NASDAQ	AVT	Wed, Feb 15, 2023	45.90	46.21	45.65	46.15
7735	NASDAQ	AVT	Tue, Feb 14, 2023	46.13	46.73	45.81	46.32
7734	NASDAQ	AVT	Mon, Feb 13, 2023	46.01	46.44	45.85	46.33
7733	NASDAQ	AVT	Fri, Feb 10, 2023	45.77	46.25	45.48	46.01
7732	NASDAQ	AVT	Thu, Feb 9, 2023	46.49	46.77	45.75	45.84
7731	NASDAQ	AVT	Wed, Feb 8, 2023	46.19	46.19	45.58	46.07
7730	NASDAQ	AVT	Tue, Feb 7, 2023	46.33	46.53	45.69	46.42
7729	NASDAQ	AVT	Mon, Feb 6, 2023	46.20	46.72	46.07	46.49
7728	NASDAQ	AVT	Fri, Feb 3, 2023	46.82	47.57	46.12	46.80
7727	NASDAQ	AVT	Thu, Feb 2, 2023	47.50	48.07	45.38	46.95
7726	NASDAQ	AVT	Wed, Feb 1, 2023	45.79	46.97	45.76	46.91
7725	NASDAQ	AVT	Tue, Jan 31, 2023	45.39	45.94	45.13	45.88
7724	NASDAQ	AVT	Mon, Jan 30, 2023	45.50	45.86	45.21	45.34
7723	NASDAQ	AVT	Fri, Jan 27, 2023	45.74	46.16	45.46	45.93
7722	NASDAQ	AVT	Thu, Jan 26, 2023	45.50	46.02	44.86	45.97
7721	NASDAQ	AVT	Wed, Jan 25, 2023	44.38	45.39	44.02	45.29
7720	NASDAQ	AVT	Tue, Jan 24, 2023	44.69	45.02	43.93	44.65
7719	NASDAQ	AVT	Mon, Jan 23, 2023	44.08	45.04	43.88	44.68
7718	NASDAQ	AVT	Fri, Jan 20, 2023	43.55	44.12	43.17	43.99
7717	NASDAQ	AVT	Thu, Jan 19, 2023	43.86	43.88	42.98	43.40
7716	NASDAQ	AVT	Wed, Jan 18, 2023	44.63	45.30	44.16	44.23
7715	NASDAQ	AVT	Tue, Jan 17, 2023	44.13	44.98	43.90	44.55
7714	NASDAQ	AVT	Fri, Jan 13, 2023	43.72	44.13	43.42	44.10
7713	NASDAQ	AVT	Thu, Jan 12, 2023	44.15	44.26	43.63	43.87
7712	NASDAQ	AVT	Wed, Jan 11, 2023	43.79	43.98	43.53	43.97
7711	NASDAQ	AVT	Tue, Jan 10, 2023	43.18	43.49	42.79	43.44
7710	NASDAQ	AVT	Mon, Jan 9, 2023	43.00	43.43	42.92	43.08
7709	NASDAQ	AVT	Fri, Jan 6, 2023	42.13	42.93	41.85	42.84
7708	NASDAQ	AVT	Thu, Jan 5, 2023	41.72	41.72	40.94	41.56
7707	NASDAQ	AVT	Wed, Jan 4, 2023	41.93	42.27	41.40	41.65
7706	NASDAQ	AVT	Tue, Jan 3, 2023	41.85	42.04	41.02	41.59
7705	NASDAQ	AVT	Fri, Dec 30, 2022	41.30	41.65	41.04	41.58
7704	NASDAQ	AVT	Thu, Dec 29, 2022	40.68	41.78	40.63	41.66
7703	NASDAQ	AVT	Wed, Dec 28, 2022	41.46	41.48	40.29	40.33
7702	NASDAQ	AVT	Tue, Dec 27, 2022	42.08	42.08	41.26	41.34
7701	NASDAQ	AVT	Fri, Dec 23, 2022	41.49	41.76	40.78	41.74
7700	NASDAQ	AVT	Thu, Dec 22, 2022	41.97	42.00	40.86	41.49
7699	NASDAQ	AVT	Wed, Dec 21, 2022	41.99	42.42	41.77	42.40
7698	NASDAQ	AVT	Tue, Dec 20, 2022	41.39	41.95	41.14	41.69
7697	NASDAQ	AVT	Mon, Dec 19, 2022	42.67	43.15	41.11	41.53
7696	NASDAQ	AVT	Fri, Dec 16, 2022	42.29	42.90	41.98	42.34
7695	NASDAQ	AVT	Thu, Dec 15, 2022	43.22	43.32	42.34	42.76
7694	NASDAQ	AVT	Wed, Dec 14, 2022	43.66	44.45	43.13	43.64
7693	NASDAQ	AVT	Tue, Dec 13, 2022	44.00	44.57	43.44	43.63
7692	NASDAQ	AVT	Mon, Dec 12, 2022	42.90	43.61	42.62	43.25
7691	NASDAQ	AVT	Fri, Dec 9, 2022	43.25	43.46	42.93	42.95
7690	NASDAQ	AVT	Thu, Dec 8, 2022	43.20	43.88	42.95	43.39
7689	NASDAQ	AVT	Wed, Dec 7, 2022	43.07	43.19	42.31	42.89
7688	NASDAQ	AVT	Tue, Dec 6, 2022	43.99	44.12	42.95	43.37
7687	NASDAQ	AVT	Mon, Dec 5, 2022	44.57	44.75	43.99	44.28
7686	NASDAQ	AVT	Fri, Dec 2, 2022	45.24	45.98	44.73	44.99
7685	NASDAQ	AVT	Thu, Dec 1, 2022	45.40	45.90	44.24	45.67
7684	NASDAQ	AVT	Wed, Nov 30, 2022	43.80	45.23	42.98	45.17
7683	NASDAQ	AVT	Tue, Nov 29, 2022	43.91	44.30	43.75	44.13
7682	NASDAQ	AVT	Mon, Nov 28, 2022	44.69	44.96	43.78	43.78
7681	NASDAQ	AVT	Fri, Nov 25, 2022	45.00	45.36	44.85	45.14
7680	NASDAQ	AVT	Wed, Nov 23, 2022	44.72	45.24	44.68	45.21
7679	NASDAQ	AVT	Tue, Nov 22, 2022	44.57	45.04	44.26	44.85
7678	NASDAQ	AVT	Mon, Nov 21, 2022	44.15	44.64	43.93	44.37
7677	NASDAQ	AVT	Fri, Nov 18, 2022	44.06	44.64	43.90	44.21
7676	NASDAQ	AVT	Thu, Nov 17, 2022	43.57	44.15	43.26	44.15
7675	NASDAQ	AVT	Wed, Nov 16, 2022	44.86	44.88	44.22	44.27
7674	NASDAQ	AVT	Tue, Nov 15, 2022	44.86	45.58	44.51	45.27
7673	NASDAQ	AVT	Mon, Nov 14, 2022	44.00	44.88	43.85	44.21
7672	NASDAQ	AVT	Fri, Nov 11, 2022	43.76	44.62	43.65	44.24
7671	NASDAQ	AVT	Thu, Nov 10, 2022	43.00	43.48	42.71	43.41
7670	NASDAQ	AVT	Wed, Nov 9, 2022	42.37	42.98	41.49	41.51
7669	NASDAQ	AVT	Tue, Nov 8, 2022	42.28	43.71	42.16	42.97
7668	NASDAQ	AVT	Mon, Nov 7, 2022	41.34	42.20	40.88	42.09
7667	NASDAQ	AVT	Fri, Nov 4, 2022	40.65	41.45	40.36	41.34
7666	NASDAQ	AVT	Thu, Nov 3, 2022	39.60	40.31	39.27	39.93
7665	NASDAQ	AVT	Wed, Nov 2, 2022	40.30	41.43	40.01	40.03
7664	NASDAQ	AVT	Tue, Nov 1, 2022	40.67	40.82	40.20	40.62
7663	NASDAQ	AVT	Mon, Oct 31, 2022	39.77	40.36	39.67	40.19
7662	NASDAQ	AVT	Fri, Oct 28, 2022	39.77	40.71	39.59	40.08
7661	NASDAQ	AVT	Thu, Oct 27, 2022	40.24	40.84	38.30	39.47
7660	NASDAQ	AVT	Wed, Oct 26, 2022	40.16	41.42	39.77	40.50
7659	NASDAQ	AVT	Tue, Oct 25, 2022	39.80	40.80	39.68	40.37
7658	NASDAQ	AVT	Mon, Oct 24, 2022	39.69	40.24	39.42	39.84
7657	NASDAQ	AVT	Fri, Oct 21, 2022	38.41	39.80	38.23	39.70
7656	NASDAQ	AVT	Thu, Oct 20, 2022	38.61	39.28	38.11	38.30
7655	NASDAQ	AVT	Wed, Oct 19, 2022	38.40	38.90	38.11	38.50
7654	NASDAQ	AVT	Tue, Oct 18, 2022	38.90	39.28	38.53	38.72
7653	NASDAQ	AVT	Mon, Oct 17, 2022	37.81	38.25	37.60	38.15
7652	NASDAQ	AVT	Fri, Oct 14, 2022	38.05	38.05	36.92	37.13
7651	NASDAQ	AVT	Thu, Oct 13, 2022	36.07	38.44	35.90	38.05
7650	NASDAQ	AVT	Wed, Oct 12, 2022	36.49	36.99	36.15	36.69
7649	NASDAQ	AVT	Tue, Oct 11, 2022	37.40	37.52	36.59	36.63
7648	NASDAQ	AVT	Mon, Oct 10, 2022	37.85	37.88	37.00	37.40
7647	NASDAQ	AVT	Fri, Oct 7, 2022	38.47	38.51	37.71	37.91
7646	NASDAQ	AVT	Thu, Oct 6, 2022	38.84	39.43	38.78	38.96
7645	NASDAQ	AVT	Wed, Oct 5, 2022	38.65	39.25	38.23	39.03
7644	NASDAQ	AVT	Tue, Oct 4, 2022	37.86	38.97	37.83	38.97
7643	NASDAQ	AVT	Mon, Oct 3, 2022	36.58	37.46	36.29	37.17
7642	NASDAQ	AVT	Fri, Sep 30, 2022	36.05	37.00	36.01	36.12
7641	NASDAQ	AVT	Thu, Sep 29, 2022	36.20	36.20	35.45	35.98
7640	NASDAQ	AVT	Wed, Sep 28, 2022	35.83	36.92	35.83	36.47
7639	NASDAQ	AVT	Tue, Sep 27, 2022	35.79	36.43	35.45	35.92
7638	NASDAQ	AVT	Mon, Sep 26, 2022	36.02	36.63	35.51	35.53
7637	NASDAQ	AVT	Fri, Sep 23, 2022	36.50	36.61	35.83	36.29
7636	NASDAQ	AVT	Thu, Sep 22, 2022	37.75	37.80	36.94	37.01
7635	NASDAQ	AVT	Wed, Sep 21, 2022	38.02	38.81	37.75	37.75
7634	NASDAQ	AVT	Tue, Sep 20, 2022	38.13	38.28	37.40	37.89
7633	NASDAQ	AVT	Mon, Sep 19, 2022	37.75	38.72	37.57	38.33
7632	NASDAQ	AVT	Fri, Sep 16, 2022	38.73	39.14	36.99	37.86
7631	NASDAQ	AVT	Thu, Sep 15, 2022	40.12	40.64	39.86	40.11
7630	NASDAQ	AVT	Wed, Sep 14, 2022	40.77	40.88	39.47	40.15
7629	NASDAQ	AVT	Tue, Sep 13, 2022	41.68	42.08	40.55	40.72
7628	NASDAQ	AVT	Mon, Sep 12, 2022	43.15	43.46	42.53	42.79
7627	NASDAQ	AVT	Fri, Sep 9, 2022	42.94	43.23	42.50	42.70
7626	NASDAQ	AVT	Thu, Sep 8, 2022	41.08	42.61	40.89	42.54
7625	NASDAQ	AVT	Wed, Sep 7, 2022	41.18	41.84	41.17	41.45
7624	NASDAQ	AVT	Tue, Sep 6, 2022	42.80	42.80	40.94	41.25
7623	NASDAQ	AVT	Fri, Sep 2, 2022	43.25	43.84	42.64	42.71
7622	NASDAQ	AVT	Thu, Sep 1, 2022	43.40	43.45	42.61	42.93
7621	NASDAQ	AVT	Wed, Aug 31, 2022	44.24	44.24	43.42	43.89
7620	NASDAQ	AVT	Tue, Aug 30, 2022	44.57	44.57	43.70	44.00
7619	NASDAQ	AVT	Mon, Aug 29, 2022	44.38	44.67	44.04	44.25
7618	NASDAQ	AVT	Fri, Aug 26, 2022	46.00	46.10	44.62	44.67
7617	NASDAQ	AVT	Thu, Aug 25, 2022	44.20	45.78	44.11	45.77
7616	NASDAQ	AVT	Wed, Aug 24, 2022	44.22	44.47	43.96	44.20
7615	NASDAQ	AVT	Tue, Aug 23, 2022	44.13	44.81	44.05	44.47
7614	NASDAQ	AVT	Mon, Aug 22, 2022	44.56	44.72	44.04	44.17
7613	NASDAQ	AVT	Fri, Aug 19, 2022	45.46	45.56	44.87	45.05
7612	NASDAQ	AVT	Thu, Aug 18, 2022	44.41	45.84	44.40	45.77
7611	NASDAQ	AVT	Wed, Aug 17, 2022	44.12	44.59	43.54	44.41
7610	NASDAQ	AVT	Tue, Aug 16, 2022	44.64	44.92	44.45	44.70
7609	NASDAQ	AVT	Mon, Aug 15, 2022	44.17	45.29	44.03	44.74
7608	NASDAQ	AVT	Fri, Aug 12, 2022	44.06	44.76	43.41	44.52
7607	NASDAQ	AVT	Thu, Aug 11, 2022	44.59	45.11	42.93	43.50
7606	NASDAQ	AVT	Wed, Aug 10, 2022	46.22	46.79	45.92	46.43
7605	NASDAQ	AVT	Tue, Aug 9, 2022	46.58	46.67	44.95	45.36
7604	NASDAQ	AVT	Mon, Aug 8, 2022	46.90	47.32	46.33	46.86
7603	NASDAQ	AVT	Fri, Aug 5, 2022	46.88	47.43	46.40	46.60
7602	NASDAQ	AVT	Thu, Aug 4, 2022	48.41	48.41	47.32	47.39
7601	NASDAQ	AVT	Wed, Aug 3, 2022	47.80	48.45	47.52	48.14
7600	NASDAQ	AVT	Tue, Aug 2, 2022	47.96	48.15	47.31	47.62
7599	NASDAQ	AVT	Mon, Aug 1, 2022	47.45	48.53	47.21	48.15
7598	NASDAQ	AVT	Fri, Jul 29, 2022	47.15	48.09	47.12	47.87
7597	NASDAQ	AVT	Thu, Jul 28, 2022	46.39	47.25	46.21	47.12
7596	NASDAQ	AVT	Wed, Jul 27, 2022	45.72	46.88	45.56	46.39
7595	NASDAQ	AVT	Tue, Jul 26, 2022	45.49	45.89	45.32	45.57
7594	NASDAQ	AVT	Mon, Jul 25, 2022	45.74	46.01	45.37	45.55
7593	NASDAQ	AVT	Fri, Jul 22, 2022	45.74	45.99	45.39	45.64
7592	NASDAQ	AVT	Thu, Jul 21, 2022	45.02	45.65	44.82	45.55
7591	NASDAQ	AVT	Wed, Jul 20, 2022	44.31	45.28	43.69	45.09
7590	NASDAQ	AVT	Tue, Jul 19, 2022	43.49	44.66	43.33	44.49
7589	NASDAQ	AVT	Mon, Jul 18, 2022	43.54	43.94	42.98	43.09
7588	NASDAQ	AVT	Fri, Jul 15, 2022	42.99	43.89	42.53	43.24
7587	NASDAQ	AVT	Thu, Jul 14, 2022	42.56	43.18	41.83	43.03
7586	NASDAQ	AVT	Wed, Jul 13, 2022	43.02	44.33	43.00	44.02
7585	NASDAQ	AVT	Tue, Jul 12, 2022	43.28	44.27	43.20	43.59
7584	NASDAQ	AVT	Mon, Jul 11, 2022	43.04	43.89	42.77	43.39
7583	NASDAQ	AVT	Fri, Jul 8, 2022	42.97	43.78	42.75	43.53
7582	NASDAQ	AVT	Thu, Jul 7, 2022	42.84	43.46	42.80	42.88
7581	NASDAQ	AVT	Wed, Jul 6, 2022	41.99	42.58	41.14	42.34
7580	NASDAQ	AVT	Tue, Jul 5, 2022	41.39	41.89	40.31	41.81
7579	NASDAQ	AVT	Fri, Jul 1, 2022	42.53	43.20	41.33	42.27
7578	NASDAQ	AVT	Thu, Jun 30, 2022	41.55	43.04	41.38	42.88
7577	NASDAQ	AVT	Wed, Jun 29, 2022	42.96	43.30	41.77	42.11
7576	NASDAQ	AVT	Tue, Jun 28, 2022	44.02	44.51	42.86	42.87
7575	NASDAQ	AVT	Mon, Jun 27, 2022	42.87	43.81	42.85	43.63
7574	NASDAQ	AVT	Fri, Jun 24, 2022	41.81	43.00	41.71	42.68
7573	NASDAQ	AVT	Thu, Jun 23, 2022	42.17	42.50	41.23	41.48
7572	NASDAQ	AVT	Wed, Jun 22, 2022	42.39	42.77	41.77	42.37
7571	NASDAQ	AVT	Tue, Jun 21, 2022	42.64	42.87	41.81	42.57
7570	NASDAQ	AVT	Fri, Jun 17, 2022	41.80	42.48	41.16	41.82
7569	NASDAQ	AVT	Thu, Jun 16, 2022	43.90	43.99	41.24	41.89
7568	NASDAQ	AVT	Wed, Jun 15, 2022	44.83	45.44	44.09	44.89
7567	NASDAQ	AVT	Tue, Jun 14, 2022	44.53	45.14	44.23	44.49
7566	NASDAQ	AVT	Mon, Jun 13, 2022	45.90	45.99	43.89	44.30
7565	NASDAQ	AVT	Fri, Jun 10, 2022	46.34	47.17	45.99	46.35
7564	NASDAQ	AVT	Thu, Jun 9, 2022	48.33	48.38	47.18	47.29
7563	NASDAQ	AVT	Wed, Jun 8, 2022	49.15	49.37	48.28	48.40
7562	NASDAQ	AVT	Tue, Jun 7, 2022	48.59	49.67	48.40	49.07
7561	NASDAQ	AVT	Mon, Jun 6, 2022	48.69	50.19	48.44	48.96
7560	NASDAQ	AVT	Fri, Jun 3, 2022	48.58	48.59	47.45	48.09
7559	NASDAQ	AVT	Thu, Jun 2, 2022	47.77	48.96	47.60	48.92
7558	NASDAQ	AVT	Wed, Jun 1, 2022	48.70	48.85	47.58	47.77
7557	NASDAQ	AVT	Tue, May 31, 2022	48.13	48.90	47.44	48.45
7556	NASDAQ	AVT	Fri, May 27, 2022	47.52	48.30	47.52	48.28
7555	NASDAQ	AVT	Thu, May 26, 2022	46.44	47.80	46.41	47.58
7554	NASDAQ	AVT	Wed, May 25, 2022	45.88	46.37	45.23	46.18
7553	NASDAQ	AVT	Tue, May 24, 2022	45.85	46.22	44.46	45.39
7552	NASDAQ	AVT	Mon, May 23, 2022	46.53	47.56	45.91	46.23
7551	NASDAQ	AVT	Fri, May 20, 2022	46.97	47.11	45.39	46.30
7550	NASDAQ	AVT	Thu, May 19, 2022	46.55	47.28	46.36	46.57
7549	NASDAQ	AVT	Wed, May 18, 2022	48.20	48.34	46.88	47.06
7548	NASDAQ	AVT	Tue, May 17, 2022	47.79	48.75	47.70	48.44
7547	NASDAQ	AVT	Mon, May 16, 2022	46.85	47.66	46.31	47.15
7546	NASDAQ	AVT	Fri, May 13, 2022	45.94	47.22	45.14	46.90
7545	NASDAQ	AVT	Thu, May 12, 2022	45.68	46.02	44.68	45.42
7544	NASDAQ	AVT	Wed, May 11, 2022	46.62	47.49	45.55	45.73
7543	NASDAQ	AVT	Tue, May 10, 2022	47.18	47.42	46.01	46.53
7542	NASDAQ	AVT	Mon, May 9, 2022	46.40	48.22	46.29	46.83
7541	NASDAQ	AVT	Fri, May 6, 2022	47.13	47.73	46.26	47.02
7540	NASDAQ	AVT	Thu, May 5, 2022	46.56	47.30	46.19	47.10
7539	NASDAQ	AVT	Wed, May 4, 2022	45.28	46.85	44.90	46.79
7538	NASDAQ	AVT	Tue, May 3, 2022	44.38	45.67	44.04	45.07
7537	NASDAQ	AVT	Mon, May 2, 2022	43.65	44.15	42.94	44.09
7536	NASDAQ	AVT	Fri, Apr 29, 2022	43.37	45.51	43.37	43.66
7535	NASDAQ	AVT	Thu, Apr 28, 2022	41.36	44.21	40.31	43.82
7534	NASDAQ	AVT	Wed, Apr 27, 2022	38.99	39.71	38.44	39.12
7533	NASDAQ	AVT	Tue, Apr 26, 2022	39.32	39.80	38.91	38.97
7532	NASDAQ	AVT	Mon, Apr 25, 2022	38.84	39.75	37.96	39.66
7531	NASDAQ	AVT	Fri, Apr 22, 2022	39.69	39.72	38.99	39.14
7530	NASDAQ	AVT	Thu, Apr 21, 2022	39.92	40.53	39.73	39.80
7529	NASDAQ	AVT	Wed, Apr 20, 2022	38.78	39.62	38.75	39.52
7528	NASDAQ	AVT	Tue, Apr 19, 2022	37.79	38.38	37.75	38.37
7527	NASDAQ	AVT	Mon, Apr 18, 2022	37.24	37.87	37.09	37.72
7526	NASDAQ	AVT	Thu, Apr 14, 2022	37.41	37.80	37.11	37.13
7525	NASDAQ	AVT	Wed, Apr 13, 2022	36.66	37.55	36.66	37.39
7524	NASDAQ	AVT	Tue, Apr 12, 2022	37.49	37.87	36.66	36.71
7523	NASDAQ	AVT	Mon, Apr 11, 2022	36.94	37.88	36.85	37.12
7522	NASDAQ	AVT	Fri, Apr 8, 2022	37.44	37.59	36.86	37.12
7521	NASDAQ	AVT	Thu, Apr 7, 2022	38.24	38.41	37.09	37.70
7520	NASDAQ	AVT	Wed, Apr 6, 2022	39.10	39.15	38.01	38.10
7519	NASDAQ	AVT	Tue, Apr 5, 2022	39.93	40.17	39.23	39.32
7518	NASDAQ	AVT	Mon, Apr 4, 2022	39.88	40.32	39.40	40.29
7517	NASDAQ	AVT	Fri, Apr 1, 2022	40.81	40.93	39.39	39.88
7516	NASDAQ	AVT	Thu, Mar 31, 2022	41.72	41.72	40.58	40.59
7515	NASDAQ	AVT	Wed, Mar 30, 2022	42.24	42.39	41.50	41.72
7514	NASDAQ	AVT	Tue, Mar 29, 2022	42.25	42.89	42.12	42.47
7513	NASDAQ	AVT	Mon, Mar 28, 2022	43.10	43.10	41.71	42.15
7512	NASDAQ	AVT	Fri, Mar 25, 2022	42.62	43.21	42.46	42.94
7511	NASDAQ	AVT	Thu, Mar 24, 2022	42.27	42.71	41.81	42.62
7510	NASDAQ	AVT	Wed, Mar 23, 2022	42.84	42.85	41.84	41.91
7509	NASDAQ	AVT	Tue, Mar 22, 2022	43.29	43.64	42.83	43.06
7508	NASDAQ	AVT	Mon, Mar 21, 2022	43.46	43.89	42.87	43.04
7507	NASDAQ	AVT	Fri, Mar 18, 2022	42.90	43.52	42.51	43.31
7506	NASDAQ	AVT	Thu, Mar 17, 2022	42.76	43.55	42.51	43.37
7505	NASDAQ	AVT	Wed, Mar 16, 2022	42.87	43.71	42.17	43.13
7504	NASDAQ	AVT	Tue, Mar 15, 2022	41.84	42.60	41.56	42.52
7503	NASDAQ	AVT	Mon, Mar 14, 2022	41.10	41.91	41.07	41.73
7502	NASDAQ	AVT	Fri, Mar 11, 2022	40.37	41.10	40.06	40.79
7501	NASDAQ	AVT	Thu, Mar 10, 2022	39.15	40.04	38.93	40.02
7500	NASDAQ	AVT	Wed, Mar 9, 2022	39.35	39.99	39.32	39.83
7499	NASDAQ	AVT	Tue, Mar 8, 2022	38.94	39.59	38.35	38.54
7498	NASDAQ	AVT	Mon, Mar 7, 2022	40.86	40.92	38.60	38.71
7497	NASDAQ	AVT	Fri, Mar 4, 2022	41.49	41.49	40.64	41.10
7496	NASDAQ	AVT	Thu, Mar 3, 2022	42.79	42.91	41.57	41.92
7495	NASDAQ	AVT	Wed, Mar 2, 2022	40.75	42.88	40.67	42.67
7494	NASDAQ	AVT	Tue, Mar 1, 2022	41.53	41.81	40.23	40.66
7493	NASDAQ	AVT	Mon, Feb 28, 2022	41.55	42.35	41.41	42.07
7492	NASDAQ	AVT	Fri, Feb 25, 2022	41.08	42.32	40.73	42.19
7491	NASDAQ	AVT	Thu, Feb 24, 2022	40.01	41.02	39.12	40.88
7490	NASDAQ	AVT	Wed, Feb 23, 2022	41.13	41.41	40.18	40.25
7489	NASDAQ	AVT	Tue, Feb 22, 2022	41.26	41.82	40.43	40.83
7488	NASDAQ	AVT	Fri, Feb 18, 2022	41.58	41.58	40.76	41.28
7487	NASDAQ	AVT	Thu, Feb 17, 2022	42.00	42.02	41.35	41.46
7486	NASDAQ	AVT	Wed, Feb 16, 2022	41.73	42.45	41.56	42.33
7485	NASDAQ	AVT	Tue, Feb 15, 2022	41.43	41.91	41.19	41.87
7484	NASDAQ	AVT	Mon, Feb 14, 2022	40.58	41.05	40.39	40.92
7483	NASDAQ	AVT	Fri, Feb 11, 2022	40.48	41.23	40.31	40.63
7482	NASDAQ	AVT	Thu, Feb 10, 2022	40.72	41.34	40.40	40.61
7481	NASDAQ	AVT	Wed, Feb 9, 2022	41.32	41.60	40.84	41.11
7480	NASDAQ	AVT	Tue, Feb 8, 2022	40.31	41.27	40.26	41.19
7479	NASDAQ	AVT	Mon, Feb 7, 2022	40.32	40.51	39.89	40.13
7478	NASDAQ	AVT	Fri, Feb 4, 2022	40.98	41.37	39.94	40.10
7477	NASDAQ	AVT	Thu, Feb 3, 2022	41.00	41.69	40.79	41.17
7476	NASDAQ	AVT	Wed, Feb 2, 2022	40.90	41.63	40.50	41.55
7475	NASDAQ	AVT	Tue, Feb 1, 2022	40.43	40.76	39.91	40.61
7474	NASDAQ	AVT	Mon, Jan 31, 2022	39.30	40.41	39.09	40.36
7473	NASDAQ	AVT	Fri, Jan 28, 2022	40.00	40.44	38.47	39.45
7472	NASDAQ	AVT	Thu, Jan 27, 2022	42.09	42.65	39.74	39.95
7471	NASDAQ	AVT	Wed, Jan 26, 2022	38.87	39.91	38.55	39.22
7470	NASDAQ	AVT	Tue, Jan 25, 2022	39.52	40.36	38.19	38.67
7469	NASDAQ	AVT	Mon, Jan 24, 2022	38.82	39.92	38.18	39.87
7468	NASDAQ	AVT	Fri, Jan 21, 2022	40.00	40.12	38.86	39.17
7467	NASDAQ	AVT	Thu, Jan 20, 2022	41.03	41.47	40.01	40.19
7466	NASDAQ	AVT	Wed, Jan 19, 2022	42.11	42.23	40.80	40.82
7465	NASDAQ	AVT	Tue, Jan 18, 2022	42.08	42.45	41.53	42.09
7464	NASDAQ	AVT	Fri, Jan 14, 2022	41.63	42.22	41.36	42.18
7463	NASDAQ	AVT	Thu, Jan 13, 2022	41.84	42.24	41.62	42.04
7462	NASDAQ	AVT	Wed, Jan 12, 2022	41.60	41.83	41.06	41.61
7461	NASDAQ	AVT	Tue, Jan 11, 2022	40.88	41.55	40.45	41.54
7460	NASDAQ	AVT	Mon, Jan 10, 2022	41.07	41.11	40.00	40.69
7459	NASDAQ	AVT	Fri, Jan 7, 2022	42.06	42.47	41.31	41.32
7458	NASDAQ	AVT	Thu, Jan 6, 2022	42.04	42.15	41.44	41.83
7457	NASDAQ	AVT	Wed, Jan 5, 2022	42.48	42.84	41.71	41.74
7456	NASDAQ	AVT	Tue, Jan 4, 2022	41.46	42.81	41.19	42.30
7455	NASDAQ	AVT	Mon, Jan 3, 2022	41.42	41.92	41.06	41.10
7454	NASDAQ	AVT	Fri, Dec 31, 2021	41.33	41.53	41.10	41.23
7453	NASDAQ	AVT	Thu, Dec 30, 2021	41.49	42.06	41.26	41.31
7452	NASDAQ	AVT	Wed, Dec 29, 2021	41.18	41.93	41.18	41.79
7451	NASDAQ	AVT	Tue, Dec 28, 2021	41.36	41.66	41.20	41.29
7450	NASDAQ	AVT	Mon, Dec 27, 2021	40.39	41.33	40.32	41.30
7449	NASDAQ	AVT	Thu, Dec 23, 2021	39.76	40.60	39.69	40.25
7448	NASDAQ	AVT	Wed, Dec 22, 2021	38.99	39.64	38.99	39.62
7447	NASDAQ	AVT	Tue, Dec 21, 2021	37.86	39.26	37.74	39.17
7446	NASDAQ	AVT	Mon, Dec 20, 2021	37.84	38.00	37.07	37.55
7445	NASDAQ	AVT	Fri, Dec 17, 2021	38.79	39.02	38.09	38.40
7444	NASDAQ	AVT	Thu, Dec 16, 2021	39.19	39.48	38.65	38.73
7443	NASDAQ	AVT	Wed, Dec 15, 2021	38.83	38.91	38.03	38.82
7442	NASDAQ	AVT	Tue, Dec 14, 2021	38.54	39.45	38.33	38.91
7441	NASDAQ	AVT	Mon, Dec 13, 2021	38.95	39.14	38.46	38.61
7440	NASDAQ	AVT	Fri, Dec 10, 2021	39.24	39.49	38.54	38.95
7439	NASDAQ	AVT	Thu, Dec 9, 2021	38.74	39.16	38.16	38.84
7438	NASDAQ	AVT	Wed, Dec 8, 2021	38.85	39.42	38.50	39.00
7437	NASDAQ	AVT	Tue, Dec 7, 2021	38.73	39.24	38.49	38.85
7436	NASDAQ	AVT	Mon, Dec 6, 2021	38.49	38.94	37.91	38.25
7435	NASDAQ	AVT	Fri, Dec 3, 2021	37.72	38.48	37.36	38.05
7434	NASDAQ	AVT	Thu, Dec 2, 2021	36.23	37.86	36.11	37.52
7433	NASDAQ	AVT	Wed, Dec 1, 2021	37.02	37.33	36.11	36.11
7432	NASDAQ	AVT	Tue, Nov 30, 2021	36.59	36.76	35.71	36.27
7431	NASDAQ	AVT	Mon, Nov 29, 2021	37.67	37.74	36.92	37.19
7430	NASDAQ	AVT	Fri, Nov 26, 2021	38.12	38.42	36.71	37.15
7429	NASDAQ	AVT	Wed, Nov 24, 2021	39.15	39.33	38.82	38.89
7428	NASDAQ	AVT	Tue, Nov 23, 2021	39.46	39.58	39.09	39.28
7427	NASDAQ	AVT	Mon, Nov 22, 2021	39.23	40.03	38.94	39.38
7426	NASDAQ	AVT	Fri, Nov 19, 2021	39.36	39.42	38.90	38.96
7425	NASDAQ	AVT	Thu, Nov 18, 2021	39.86	40.20	38.95	39.66
7424	NASDAQ	AVT	Wed, Nov 17, 2021	39.69	39.90	39.32	39.82
7423	NASDAQ	AVT	Tue, Nov 16, 2021	39.88	40.24	39.62	39.80
7422	NASDAQ	AVT	Mon, Nov 15, 2021	39.99	40.03	39.36	39.74
7421	NASDAQ	AVT	Fri, Nov 12, 2021	39.81	40.19	39.43	39.82
7420	NASDAQ	AVT	Thu, Nov 11, 2021	39.47	39.95	39.38	39.84
7419	NASDAQ	AVT	Wed, Nov 10, 2021	38.85	39.56	38.62	39.34
7418	NASDAQ	AVT	Tue, Nov 9, 2021	39.28	39.40	38.76	38.99
7417	NASDAQ	AVT	Mon, Nov 8, 2021	40.34	40.43	39.22	39.31
7416	NASDAQ	AVT	Fri, Nov 5, 2021	39.39	40.53	39.26	40.30
7415	NASDAQ	AVT	Thu, Nov 4, 2021	40.12	40.28	38.87	39.10
7414	NASDAQ	AVT	Wed, Nov 3, 2021	39.60	40.40	39.40	39.90
7413	NASDAQ	AVT	Tue, Nov 2, 2021	39.28	39.71	38.99	39.60
7412	NASDAQ	AVT	Mon, Nov 1, 2021	38.34	39.23	38.25	39.13
7411	NASDAQ	AVT	Fri, Oct 29, 2021	38.59	39.17	37.69	38.11
7410	NASDAQ	AVT	Thu, Oct 28, 2021	36.75	37.44	36.50	37.32
7409	NASDAQ	AVT	Wed, Oct 27, 2021	37.63	37.65	36.48	36.61
7408	NASDAQ	AVT	Tue, Oct 26, 2021	38.31	38.31	37.61	37.62
7407	NASDAQ	AVT	Mon, Oct 25, 2021	37.80	38.47	37.67	38.08
7406	NASDAQ	AVT	Fri, Oct 22, 2021	38.13	38.55	37.83	37.84
7405	NASDAQ	AVT	Thu, Oct 21, 2021	37.82	38.10	37.28	38.05
7404	NASDAQ	AVT	Wed, Oct 20, 2021	38.00	38.41	37.97	38.01
7403	NASDAQ	AVT	Tue, Oct 19, 2021	37.93	38.03	37.48	38.00
7402	NASDAQ	AVT	Mon, Oct 18, 2021	37.17	38.01	37.09	37.68
7401	NASDAQ	AVT	Fri, Oct 15, 2021	38.03	38.24	37.44	37.48
7400	NASDAQ	AVT	Thu, Oct 14, 2021	37.05	37.82	37.01	37.69
7399	NASDAQ	AVT	Wed, Oct 13, 2021	36.32	36.66	36.01	36.61
7398	NASDAQ	AVT	Tue, Oct 12, 2021	36.92	36.96	36.18	36.48
7397	NASDAQ	AVT	Mon, Oct 11, 2021	37.00	37.46	36.75	36.86
7396	NASDAQ	AVT	Fri, Oct 8, 2021	36.57	37.09	36.49	36.84
7395	NASDAQ	AVT	Thu, Oct 7, 2021	37.58	37.58	36.29	36.41
7394	NASDAQ	AVT	Wed, Oct 6, 2021	37.27	37.68	36.58	37.66
7393	NASDAQ	AVT	Tue, Oct 5, 2021	37.56	37.91	37.44	37.73
7392	NASDAQ	AVT	Mon, Oct 4, 2021	37.97	38.38	37.30	37.44
7391	NASDAQ	AVT	Fri, Oct 1, 2021	37.25	38.18	36.89	37.85
7390	NASDAQ	AVT	Thu, Sep 30, 2021	37.53	37.88	36.94	36.97
7389	NASDAQ	AVT	Wed, Sep 29, 2021	37.48	38.04	37.00	37.47
7388	NASDAQ	AVT	Tue, Sep 28, 2021	38.05	38.20	37.32	37.45
7387	NASDAQ	AVT	Mon, Sep 27, 2021	37.61	38.76	37.61	38.28
7386	NASDAQ	AVT	Fri, Sep 24, 2021	37.18	37.79	37.06	37.57
7385	NASDAQ	AVT	Thu, Sep 23, 2021	37.00	37.65	37.00	37.26
7384	NASDAQ	AVT	Wed, Sep 22, 2021	36.69	37.14	36.44	36.82
7383	NASDAQ	AVT	Tue, Sep 21, 2021	36.89	37.05	36.28	36.30
7382	NASDAQ	AVT	Mon, Sep 20, 2021	36.64	37.00	36.06	36.69
7381	NASDAQ	AVT	Fri, Sep 17, 2021	37.78	38.28	36.72	37.04
7380	NASDAQ	AVT	Thu, Sep 16, 2021	38.15	38.59	37.76	37.95
7379	NASDAQ	AVT	Wed, Sep 15, 2021	38.06	38.36	37.64	38.15
7378	NASDAQ	AVT	Tue, Sep 14, 2021	38.51	38.51	37.73	38.10
7377	NASDAQ	AVT	Mon, Sep 13, 2021	38.95	39.06	37.95	38.47
7376	NASDAQ	AVT	Fri, Sep 10, 2021	38.68	39.26	38.68	38.76
7375	NASDAQ	AVT	Thu, Sep 9, 2021	38.63	39.21	38.48	38.59
7374	NASDAQ	AVT	Wed, Sep 8, 2021	38.74	38.74	38.12	38.56
7373	NASDAQ	AVT	Tue, Sep 7, 2021	39.12	39.25	38.85	38.90
7372	NASDAQ	AVT	Fri, Sep 3, 2021	39.35	39.52	39.02	39.22
7371	NASDAQ	AVT	Thu, Sep 2, 2021	39.85	40.05	39.50	39.64
7370	NASDAQ	AVT	Wed, Sep 1, 2021	40.58	40.58	39.74	39.81
7369	NASDAQ	AVT	Tue, Aug 31, 2021	41.01	41.19	40.38	40.46
7368	NASDAQ	AVT	Mon, Aug 30, 2021	41.17	41.36	40.84	40.91
7367	NASDAQ	AVT	Fri, Aug 27, 2021	40.25	41.39	40.15	41.14
7366	NASDAQ	AVT	Thu, Aug 26, 2021	40.57	40.80	40.34	40.46
7365	NASDAQ	AVT	Wed, Aug 25, 2021	39.70	40.64	39.59	40.45
7364	NASDAQ	AVT	Tue, Aug 24, 2021	39.64	40.13	39.57	39.64
7363	NASDAQ	AVT	Mon, Aug 23, 2021	39.82	39.91	39.18	39.62
7362	NASDAQ	AVT	Fri, Aug 20, 2021	39.17	39.64	39.04	39.58
7361	NASDAQ	AVT	Thu, Aug 19, 2021	39.40	39.54	38.82	39.15
7360	NASDAQ	AVT	Wed, Aug 18, 2021	40.18	40.47	39.78	39.84
7359	NASDAQ	AVT	Tue, Aug 17, 2021	40.21	40.47	39.78	40.41
7358	NASDAQ	AVT	Mon, Aug 16, 2021	40.33	40.75	39.94	40.58
7357	NASDAQ	AVT	Fri, Aug 13, 2021	41.57	41.93	40.69	40.84
7356	NASDAQ	AVT	Thu, Aug 12, 2021	42.17	42.36	40.31	41.77
7355	NASDAQ	AVT	Wed, Aug 11, 2021	41.92	42.28	41.50	42.17
7354	NASDAQ	AVT	Tue, Aug 10, 2021	41.74	42.04	41.14	41.92
7353	NASDAQ	AVT	Mon, Aug 9, 2021	41.85	41.85	41.32	41.55
7352	NASDAQ	AVT	Fri, Aug 6, 2021	41.55	42.03	41.40	41.80
7351	NASDAQ	AVT	Thu, Aug 5, 2021	41.56	41.65	40.95	41.15
7350	NASDAQ	AVT	Wed, Aug 4, 2021	41.83	41.83	41.22	41.34
7349	NASDAQ	AVT	Tue, Aug 3, 2021	40.91	42.04	40.30	41.97
7348	NASDAQ	AVT	Mon, Aug 2, 2021	41.36	41.98	40.77	40.85
7347	NASDAQ	AVT	Fri, Jul 30, 2021	40.76	41.41	40.72	41.32
7346	NASDAQ	AVT	Thu, Jul 29, 2021	40.87	41.32	40.81	41.06
7345	NASDAQ	AVT	Wed, Jul 28, 2021	40.25	40.72	39.92	40.42
7344	NASDAQ	AVT	Tue, Jul 27, 2021	40.31	40.52	39.82	40.21
7343	NASDAQ	AVT	Mon, Jul 26, 2021	40.13	40.75	40.13	40.50
7342	NASDAQ	AVT	Fri, Jul 23, 2021	39.49	40.05	39.30	39.99
7341	NASDAQ	AVT	Thu, Jul 22, 2021	39.97	40.28	39.27	39.33
7340	NASDAQ	AVT	Wed, Jul 21, 2021	39.76	40.89	39.75	40.24
7339	NASDAQ	AVT	Tue, Jul 20, 2021	38.41	39.55	38.16	39.27
7338	NASDAQ	AVT	Mon, Jul 19, 2021	38.04	38.51	37.63	38.23
7337	NASDAQ	AVT	Fri, Jul 16, 2021	40.08	40.11	38.79	38.94
7336	NASDAQ	AVT	Thu, Jul 15, 2021	39.15	39.75	38.74	39.75
7335	NASDAQ	AVT	Wed, Jul 14, 2021	39.74	40.19	39.26	39.37
7334	NASDAQ	AVT	Tue, Jul 13, 2021	39.41	39.63	39.15	39.37
7333	NASDAQ	AVT	Mon, Jul 12, 2021	39.29	39.67	39.21	39.58
7332	NASDAQ	AVT	Fri, Jul 9, 2021	39.04	39.94	39.04	39.57
7331	NASDAQ	AVT	Thu, Jul 8, 2021	38.31	39.22	37.95	38.66
7330	NASDAQ	AVT	Wed, Jul 7, 2021	38.86	39.49	38.61	39.13
7329	NASDAQ	AVT	Tue, Jul 6, 2021	39.98	39.98	38.44	38.93
7328	NASDAQ	AVT	Fri, Jul 2, 2021	40.05	40.45	39.67	40.03
7327	NASDAQ	AVT	Thu, Jul 1, 2021	40.27	40.69	39.96	40.24
7326	NASDAQ	AVT	Wed, Jun 30, 2021	40.23	40.37	39.78	40.08
7325	NASDAQ	AVT	Tue, Jun 29, 2021	40.25	40.62	40.06	40.36
7324	NASDAQ	AVT	Mon, Jun 28, 2021	40.34	40.42	39.95	40.24
7323	NASDAQ	AVT	Fri, Jun 25, 2021	39.78	40.59	39.67	40.34
7322	NASDAQ	AVT	Thu, Jun 24, 2021	39.59	39.89	39.25	39.81
7321	NASDAQ	AVT	Wed, Jun 23, 2021	38.83	39.74	38.76	39.33
7320	NASDAQ	AVT	Tue, Jun 22, 2021	39.21	39.29	38.64	38.83
7319	NASDAQ	AVT	Mon, Jun 21, 2021	39.01	39.95	39.00	39.42
7318	NASDAQ	AVT	Fri, Jun 18, 2021	39.99	40.39	38.83	38.85
7317	NASDAQ	AVT	Thu, Jun 17, 2021	42.19	42.50	40.46	40.63
7316	NASDAQ	AVT	Wed, Jun 16, 2021	42.43	42.88	41.84	42.18
7315	NASDAQ	AVT	Tue, Jun 15, 2021	42.63	42.88	42.47	42.56
7314	NASDAQ	AVT	Mon, Jun 14, 2021	43.91	43.99	42.51	42.54
7313	NASDAQ	AVT	Fri, Jun 11, 2021	43.68	44.03	43.53	43.92
7312	NASDAQ	AVT	Thu, Jun 10, 2021	44.05	44.17	43.42	43.47
7311	NASDAQ	AVT	Wed, Jun 9, 2021	44.11	44.24	43.80	43.87
7310	NASDAQ	AVT	Tue, Jun 8, 2021	43.28	44.01	43.02	43.94
7309	NASDAQ	AVT	Mon, Jun 7, 2021	43.95	44.04	43.06	43.48
7308	NASDAQ	AVT	Fri, Jun 4, 2021	43.93	44.05	43.61	43.95
7307	NASDAQ	AVT	Thu, Jun 3, 2021	43.83	44.00	43.56	43.70
7306	NASDAQ	AVT	Wed, Jun 2, 2021	44.54	44.59	43.88	44.19
7305	NASDAQ	AVT	Tue, Jun 1, 2021	44.40	44.63	43.85	44.30
7304	NASDAQ	AVT	Fri, May 28, 2021	44.59	44.59	43.64	44.06
7303	NASDAQ	AVT	Thu, May 27, 2021	44.84	45.00	44.41	44.47
7302	NASDAQ	AVT	Wed, May 26, 2021	44.69	44.88	44.18	44.45
7301	NASDAQ	AVT	Tue, May 25, 2021	45.09	45.43	44.20	44.30
7300	NASDAQ	AVT	Mon, May 24, 2021	44.78	45.08	43.70	44.86
7299	NASDAQ	AVT	Fri, May 21, 2021	44.78	45.00	44.35	44.58
7298	NASDAQ	AVT	Thu, May 20, 2021	43.95	44.59	43.45	44.55
7297	NASDAQ	AVT	Wed, May 19, 2021	42.81	43.95	42.61	43.91
7296	NASDAQ	AVT	Tue, May 18, 2021	44.09	44.29	43.57	43.65
7295	NASDAQ	AVT	Mon, May 17, 2021	43.21	44.24	42.70	44.08
7294	NASDAQ	AVT	Fri, May 14, 2021	42.75	43.63	42.46	43.47
7293	NASDAQ	AVT	Thu, May 13, 2021	41.54	42.86	41.54	42.45
7292	NASDAQ	AVT	Wed, May 12, 2021	42.39	42.58	41.28	41.32
7291	NASDAQ	AVT	Tue, May 11, 2021	43.09	43.35	42.06	42.77
7290	NASDAQ	AVT	Mon, May 10, 2021	44.94	45.32	44.09	44.12
7289	NASDAQ	AVT	Fri, May 7, 2021	43.35	44.81	43.18	44.75
7288	NASDAQ	AVT	Thu, May 6, 2021	43.02	43.68	42.37	43.50
7287	NASDAQ	AVT	Wed, May 5, 2021	42.96	43.24	42.45	43.06
7286	NASDAQ	AVT	Tue, May 4, 2021	43.43	43.93	42.45	42.72
7285	NASDAQ	AVT	Mon, May 3, 2021	44.50	44.63	43.71	43.76
7284	NASDAQ	AVT	Fri, Apr 30, 2021	44.55	44.55	43.43	43.92
7283	NASDAQ	AVT	Thu, Apr 29, 2021	44.17	44.71	43.79	44.17
7282	NASDAQ	AVT	Wed, Apr 28, 2021	44.40	44.40	43.52	43.65
7281	NASDAQ	AVT	Tue, Apr 27, 2021	44.49	44.76	44.16	44.37
7280	NASDAQ	AVT	Mon, Apr 26, 2021	44.48	44.66	44.19	44.46
7279	NASDAQ	AVT	Fri, Apr 23, 2021	43.96	44.37	43.48	44.17
7278	NASDAQ	AVT	Thu, Apr 22, 2021	43.43	44.26	43.19	43.47
7277	NASDAQ	AVT	Wed, Apr 21, 2021	43.07	43.80	42.86	43.66
7276	NASDAQ	AVT	Tue, Apr 20, 2021	43.71	43.76	42.80	43.05
7275	NASDAQ	AVT	Mon, Apr 19, 2021	44.30	44.92	43.70	43.89
7274	NASDAQ	AVT	Fri, Apr 16, 2021	44.44	44.61	43.91	44.25
7273	NASDAQ	AVT	Thu, Apr 15, 2021	44.39	44.47	43.84	44.04
7272	NASDAQ	AVT	Wed, Apr 14, 2021	43.70	44.69	43.54	44.16
7271	NASDAQ	AVT	Tue, Apr 13, 2021	43.42	43.89	43.42	43.72
7270	NASDAQ	AVT	Mon, Apr 12, 2021	43.34	43.52	43.04	43.33
7269	NASDAQ	AVT	Fri, Apr 9, 2021	43.12	43.32	42.99	43.26
7268	NASDAQ	AVT	Thu, Apr 8, 2021	42.94	43.24	42.67	43.12
7267	NASDAQ	AVT	Wed, Apr 7, 2021	43.44	43.70	42.91	42.98
7266	NASDAQ	AVT	Tue, Apr 6, 2021	42.95	43.63	42.60	43.49
7265	NASDAQ	AVT	Mon, Apr 5, 2021	42.55	43.26	42.46	42.98
7264	NASDAQ	AVT	Thu, Apr 1, 2021	41.53	42.03	41.42	42.02
7263	NASDAQ	AVT	Wed, Mar 31, 2021	41.01	41.87	41.01	41.51
7262	NASDAQ	AVT	Tue, Mar 30, 2021	40.41	41.28	40.32	41.12
7261	NASDAQ	AVT	Mon, Mar 29, 2021	40.96	41.62	40.23	40.41
7260	NASDAQ	AVT	Fri, Mar 26, 2021	40.15	41.47	39.78	41.40
7259	NASDAQ	AVT	Thu, Mar 25, 2021	38.30	40.08	38.04	39.94
7258	NASDAQ	AVT	Wed, Mar 24, 2021	38.96	39.87	38.64	38.68
7257	NASDAQ	AVT	Tue, Mar 23, 2021	40.18	40.76	38.36	38.59
7256	NASDAQ	AVT	Mon, Mar 22, 2021	40.38	40.87	39.94	40.39
7255	NASDAQ	AVT	Fri, Mar 19, 2021	40.92	41.36	40.32	40.53
7254	NASDAQ	AVT	Thu, Mar 18, 2021	41.41	42.49	40.88	41.01
7253	NASDAQ	AVT	Wed, Mar 17, 2021	40.10	41.53	39.14	41.45
7252	NASDAQ	AVT	Tue, Mar 16, 2021	40.55	40.98	39.86	40.23
7251	NASDAQ	AVT	Mon, Mar 15, 2021	39.48	40.65	38.99	40.52
7250	NASDAQ	AVT	Fri, Mar 12, 2021	39.81	39.84	39.09	39.39
7249	NASDAQ	AVT	Thu, Mar 11, 2021	39.12	39.37	38.15	39.16
7248	NASDAQ	AVT	Wed, Mar 10, 2021	39.46	39.46	38.54	38.80
7247	NASDAQ	AVT	Tue, Mar 9, 2021	39.39	39.81	38.80	38.97
7246	NASDAQ	AVT	Mon, Mar 8, 2021	39.38	39.95	39.00	39.26
7245	NASDAQ	AVT	Fri, Mar 5, 2021	38.17	39.03	36.60	39.00
7244	NASDAQ	AVT	Thu, Mar 4, 2021	38.16	38.85	36.50	37.65
7243	NASDAQ	AVT	Wed, Mar 3, 2021	38.88	39.25	38.18	38.35
7242	NASDAQ	AVT	Tue, Mar 2, 2021	39.29	39.61	38.73	38.79
7241	NASDAQ	AVT	Mon, Mar 1, 2021	38.99	39.79	38.69	39.44
7240	NASDAQ	AVT	Fri, Feb 26, 2021	37.68	38.42	37.14	38.07
7239	NASDAQ	AVT	Thu, Feb 25, 2021	37.69	38.07	37.13	37.33
7238	NASDAQ	AVT	Wed, Feb 24, 2021	37.65	38.46	37.65	38.14
7237	NASDAQ	AVT	Tue, Feb 23, 2021	38.64	38.64	36.47	37.46
7236	NASDAQ	AVT	Mon, Feb 22, 2021	38.61	38.61	37.81	37.87
7235	NASDAQ	AVT	Fri, Feb 19, 2021	38.05	38.73	37.75	38.53
7234	NASDAQ	AVT	Thu, Feb 18, 2021	38.69	39.03	37.77	37.81
7233	NASDAQ	AVT	Wed, Feb 17, 2021	39.24	39.75	38.50	38.86
7232	NASDAQ	AVT	Tue, Feb 16, 2021	38.82	39.58	38.75	39.33
7231	NASDAQ	AVT	Fri, Feb 12, 2021	38.76	39.34	38.28	38.90
7230	NASDAQ	AVT	Thu, Feb 11, 2021	38.54	38.90	37.74	38.85
7229	NASDAQ	AVT	Wed, Feb 10, 2021	38.67	39.00	38.17	38.49
7228	NASDAQ	AVT	Tue, Feb 9, 2021	38.58	38.74	38.01	38.44
7227	NASDAQ	AVT	Mon, Feb 8, 2021	37.71	38.55	37.71	38.55
7226	NASDAQ	AVT	Fri, Feb 5, 2021	37.50	37.96	36.68	37.70
7225	NASDAQ	AVT	Thu, Feb 4, 2021	37.18	37.57	36.01	37.10
7224	NASDAQ	AVT	Wed, Feb 3, 2021	36.45	37.22	35.77	36.37
7223	NASDAQ	AVT	Tue, Feb 2, 2021	37.39	37.40	36.19	36.57
7222	NASDAQ	AVT	Mon, Feb 1, 2021	35.56	37.06	35.41	36.83
7221	NASDAQ	AVT	Fri, Jan 29, 2021	36.09	36.64	34.82	35.31
7220	NASDAQ	AVT	Thu, Jan 28, 2021	38.11	38.50	35.60	35.91
7219	NASDAQ	AVT	Wed, Jan 27, 2021	37.83	38.79	36.80	37.70
7218	NASDAQ	AVT	Tue, Jan 26, 2021	39.74	39.74	37.93	38.76
7217	NASDAQ	AVT	Mon, Jan 25, 2021	39.29	39.74	38.82	39.22
7216	NASDAQ	AVT	Fri, Jan 22, 2021	39.04	39.50	38.61	39.29
7215	NASDAQ	AVT	Thu, Jan 21, 2021	40.34	40.48	39.13	39.58
7214	NASDAQ	AVT	Wed, Jan 20, 2021	41.26	42.30	40.19	40.39
7213	NASDAQ	AVT	Tue, Jan 19, 2021	39.00	40.20	38.86	39.93
7212	NASDAQ	AVT	Fri, Jan 15, 2021	38.45	38.83	38.10	38.61
7211	NASDAQ	AVT	Thu, Jan 14, 2021	38.14	38.93	37.96	38.54
7210	NASDAQ	AVT	Wed, Jan 13, 2021	38.19	38.41	37.75	38.01
7209	NASDAQ	AVT	Tue, Jan 12, 2021	38.42	38.82	38.26	38.47
7208	NASDAQ	AVT	Mon, Jan 11, 2021	37.27	38.39	37.05	38.27
7207	NASDAQ	AVT	Fri, Jan 8, 2021	37.80	38.48	37.36	37.96
7206	NASDAQ	AVT	Thu, Jan 7, 2021	37.48	37.98	36.86	37.92
7205	NASDAQ	AVT	Wed, Jan 6, 2021	36.43	37.33	36.23	37.15
7204	NASDAQ	AVT	Tue, Jan 5, 2021	35.18	36.48	35.18	36.15
7203	NASDAQ	AVT	Mon, Jan 4, 2021	35.25	35.63	34.93	35.37
7202	NASDAQ	AVT	Thu, Dec 31, 2020	34.68	35.38	34.36	35.11
7201	NASDAQ	AVT	Wed, Dec 30, 2020	34.86	35.37	34.64	34.84
7200	NASDAQ	AVT	Tue, Dec 29, 2020	35.39	35.39	34.66	34.88
7199	NASDAQ	AVT	Mon, Dec 28, 2020	34.85	35.34	34.44	35.21
7198	NASDAQ	AVT	Thu, Dec 24, 2020	34.80	34.93	34.20	34.47
7197	NASDAQ	AVT	Wed, Dec 23, 2020	35.09	35.09	33.64	34.86
7196	NASDAQ	AVT	Tue, Dec 22, 2020	33.56	34.26	33.46	34.05
7195	NASDAQ	AVT	Mon, Dec 21, 2020	33.18	33.57	32.10	33.51
7194	NASDAQ	AVT	Fri, Dec 18, 2020	33.65	34.15	33.30	33.87
7193	NASDAQ	AVT	Thu, Dec 17, 2020	33.13	33.70	32.90	33.52
7192	NASDAQ	AVT	Wed, Dec 16, 2020	33.08	33.30	32.56	33.11
7191	NASDAQ	AVT	Tue, Dec 15, 2020	31.87	33.03	31.72	33.03
7190	NASDAQ	AVT	Mon, Dec 14, 2020	31.84	32.21	31.66	31.69
7189	NASDAQ	AVT	Fri, Dec 11, 2020	31.71	32.05	31.16	31.56
7188	NASDAQ	AVT	Thu, Dec 10, 2020	31.50	32.08	31.32	31.89
7187	NASDAQ	AVT	Wed, Dec 9, 2020	32.51	32.82	31.77	31.88
7186	NASDAQ	AVT	Tue, Dec 8, 2020	32.72	33.11	32.34	32.51
7185	NASDAQ	AVT	Mon, Dec 7, 2020	32.98	33.14	32.28	32.80
7184	NASDAQ	AVT	Fri, Dec 4, 2020	32.58	33.39	32.58	32.87
7183	NASDAQ	AVT	Thu, Dec 3, 2020	31.74	32.50	31.55	32.32
7182	NASDAQ	AVT	Wed, Dec 2, 2020	30.83	31.94	30.53	31.84
7181	NASDAQ	AVT	Tue, Dec 1, 2020	30.36	31.18	30.36	31.00
7180	NASDAQ	AVT	Mon, Nov 30, 2020	30.69	30.84	30.31	30.35
7179	NASDAQ	AVT	Fri, Nov 27, 2020	30.38	31.32	30.38	30.67
7178	NASDAQ	AVT	Wed, Nov 25, 2020	31.02	31.02	30.26	30.49
7177	NASDAQ	AVT	Tue, Nov 24, 2020	29.95	31.19	29.57	31.06
7176	NASDAQ	AVT	Mon, Nov 23, 2020	29.33	29.78	29.09	29.66
7175	NASDAQ	AVT	Fri, Nov 20, 2020	28.62	28.86	28.39	28.74
7174	NASDAQ	AVT	Thu, Nov 19, 2020	28.67	28.89	28.19	28.82
7173	NASDAQ	AVT	Wed, Nov 18, 2020	29.52	29.76	28.79	28.81
7172	NASDAQ	AVT	Tue, Nov 17, 2020	29.42	29.65	28.84	29.38
7171	NASDAQ	AVT	Mon, Nov 16, 2020	28.73	29.95	28.73	29.85
7170	NASDAQ	AVT	Fri, Nov 13, 2020	28.20	28.95	27.88	28.75
7169	NASDAQ	AVT	Thu, Nov 12, 2020	28.28	28.81	27.54	27.81
7168	NASDAQ	AVT	Wed, Nov 11, 2020	28.48	28.63	27.73	28.55
7167	NASDAQ	AVT	Tue, Nov 10, 2020	28.08	28.60	27.70	28.27
7166	NASDAQ	AVT	Mon, Nov 9, 2020	27.50	28.82	27.35	28.21
7165	NASDAQ	AVT	Fri, Nov 6, 2020	26.70	26.92	26.35	26.74
7164	NASDAQ	AVT	Thu, Nov 5, 2020	26.09	26.97	25.80	26.63
7163	NASDAQ	AVT	Wed, Nov 4, 2020	26.16	26.45	25.46	25.75
7162	NASDAQ	AVT	Tue, Nov 3, 2020	26.22	26.48	26.05	26.30
7161	NASDAQ	AVT	Mon, Nov 2, 2020	24.96	25.86	24.70	25.78
7160	NASDAQ	AVT	Fri, Oct 30, 2020	24.51	24.96	24.30	24.67
7159	NASDAQ	AVT	Thu, Oct 29, 2020	24.87	25.92	24.51	24.66
7158	NASDAQ	AVT	Wed, Oct 28, 2020	25.47	25.75	24.68	24.91
7157	NASDAQ	AVT	Tue, Oct 27, 2020	26.27	26.61	25.87	26.02
7156	NASDAQ	AVT	Mon, Oct 26, 2020	27.37	27.68	26.05	26.51
7155	NASDAQ	AVT	Fri, Oct 23, 2020	27.76	27.82	27.27	27.72
7154	NASDAQ	AVT	Thu, Oct 22, 2020	27.44	27.94	27.33	27.74
7153	NASDAQ	AVT	Wed, Oct 21, 2020	27.89	28.17	27.47	27.49
7152	NASDAQ	AVT	Tue, Oct 20, 2020	28.34	28.88	27.88	28.00
7151	NASDAQ	AVT	Mon, Oct 19, 2020	28.84	29.11	28.13	28.23
7150	NASDAQ	AVT	Fri, Oct 16, 2020	28.78	29.22	28.61	28.70
7149	NASDAQ	AVT	Thu, Oct 15, 2020	28.89	28.89	28.05	28.73
7148	NASDAQ	AVT	Wed, Oct 14, 2020	28.92	29.26	28.65	28.75
7147	NASDAQ	AVT	Tue, Oct 13, 2020	28.14	28.97	28.14	28.72
7146	NASDAQ	AVT	Mon, Oct 12, 2020	28.09	28.47	27.98	28.42
7145	NASDAQ	AVT	Fri, Oct 9, 2020	28.02	28.09	27.55	28.07
7144	NASDAQ	AVT	Thu, Oct 8, 2020	28.05	28.05	27.34	27.65
7143	NASDAQ	AVT	Wed, Oct 7, 2020	26.44	27.92	26.33	27.78
7142	NASDAQ	AVT	Tue, Oct 6, 2020	26.52	27.01	26.20	26.27
7141	NASDAQ	AVT	Mon, Oct 5, 2020	26.16	26.91	26.16	26.47
7140	NASDAQ	AVT	Fri, Oct 2, 2020	25.79	26.30	25.75	25.97
7139	NASDAQ	AVT	Thu, Oct 1, 2020	25.88	26.39	25.77	26.31
7138	NASDAQ	AVT	Wed, Sep 30, 2020	26.05	26.46	25.65	25.84
7137	NASDAQ	AVT	Tue, Sep 29, 2020	26.16	26.45	25.68	25.87
7136	NASDAQ	AVT	Mon, Sep 28, 2020	26.05	26.40	25.82	26.29
7135	NASDAQ	AVT	Fri, Sep 25, 2020	25.23	25.61	24.93	25.48
7134	NASDAQ	AVT	Thu, Sep 24, 2020	24.87	25.64	24.53	25.43
7133	NASDAQ	AVT	Wed, Sep 23, 2020	26.00	26.36	25.03	25.05
7132	NASDAQ	AVT	Tue, Sep 22, 2020	25.84	26.40	25.84	26.01
7131	NASDAQ	AVT	Mon, Sep 21, 2020	26.40	26.44	25.35	25.99
7130	NASDAQ	AVT	Fri, Sep 18, 2020	27.76	28.03	26.82	27.06
7129	NASDAQ	AVT	Thu, Sep 17, 2020	27.18	27.90	27.07	27.52
7128	NASDAQ	AVT	Wed, Sep 16, 2020	27.81	28.11	27.57	27.62
7127	NASDAQ	AVT	Tue, Sep 15, 2020	28.04	28.38	27.54	27.59
7126	NASDAQ	AVT	Mon, Sep 14, 2020	28.02	28.34	27.71	27.93
7125	NASDAQ	AVT	Fri, Sep 11, 2020	27.62	27.70	27.08	27.37
7124	NASDAQ	AVT	Thu, Sep 10, 2020	27.64	28.11	27.30	27.42
7123	NASDAQ	AVT	Wed, Sep 9, 2020	27.01	27.84	26.95	27.48
7122	NASDAQ	AVT	Tue, Sep 8, 2020	27.66	27.66	26.72	26.88
7121	NASDAQ	AVT	Fri, Sep 4, 2020	29.08	29.26	27.84	28.17
7120	NASDAQ	AVT	Thu, Sep 3, 2020	29.39	29.99	28.72	28.85
7119	NASDAQ	AVT	Wed, Sep 2, 2020	27.73	29.00	27.73	28.93
7118	NASDAQ	AVT	Tue, Sep 1, 2020	27.41	27.99	27.11	27.68
7117	NASDAQ	AVT	Mon, Aug 31, 2020	28.19	28.34	27.51	27.51
7116	NASDAQ	AVT	Fri, Aug 28, 2020	27.39	28.12	27.29	28.12
7115	NASDAQ	AVT	Thu, Aug 27, 2020	27.63	27.76	27.18	27.45
7114	NASDAQ	AVT	Wed, Aug 26, 2020	27.68	27.81	26.95	27.51
7113	NASDAQ	AVT	Tue, Aug 25, 2020	27.96	28.16	27.31	27.64
7112	NASDAQ	AVT	Mon, Aug 24, 2020	26.94	27.90	26.94	27.90
7111	NASDAQ	AVT	Fri, Aug 21, 2020	26.60	26.87	26.41	26.67
7110	NASDAQ	AVT	Thu, Aug 20, 2020	27.25	27.25	26.63	26.83
7109	NASDAQ	AVT	Wed, Aug 19, 2020	27.11	27.65	26.95	27.48
7108	NASDAQ	AVT	Tue, Aug 18, 2020	28.17	28.17	27.10	27.18
7107	NASDAQ	AVT	Mon, Aug 17, 2020	28.58	28.81	28.02	28.06
7106	NASDAQ	AVT	Fri, Aug 14, 2020	28.11	28.38	27.73	28.37
7105	NASDAQ	AVT	Thu, Aug 13, 2020	28.65	28.76	28.02	28.23
7104	NASDAQ	AVT	Wed, Aug 12, 2020	29.06	29.31	28.52	28.78
7103	NASDAQ	AVT	Tue, Aug 11, 2020	28.94	29.67	28.76	28.85
7102	NASDAQ	AVT	Mon, Aug 10, 2020	28.97	29.23	28.34	28.54
7101	NASDAQ	AVT	Fri, Aug 7, 2020	30.09	30.09	28.60	29.22
7100	NASDAQ	AVT	Thu, Aug 6, 2020	29.10	29.59	28.77	28.92
7099	NASDAQ	AVT	Wed, Aug 5, 2020	29.02	29.10	28.54	28.94
7098	NASDAQ	AVT	Tue, Aug 4, 2020	27.92	29.07	27.60	28.80
7097	NASDAQ	AVT	Mon, Aug 3, 2020	26.94	27.87	26.64	27.02
7096	NASDAQ	AVT	Fri, Jul 31, 2020	26.76	26.76	26.26	26.72
7095	NASDAQ	AVT	Thu, Jul 30, 2020	26.11	26.79	25.93	26.74
7094	NASDAQ	AVT	Wed, Jul 29, 2020	26.07	26.82	25.93	26.68
7093	NASDAQ	AVT	Tue, Jul 28, 2020	26.67	26.71	26.01	26.07
7092	NASDAQ	AVT	Mon, Jul 27, 2020	26.07	26.75	25.86	26.72
7091	NASDAQ	AVT	Fri, Jul 24, 2020	26.39	26.78	26.03	26.12
7090	NASDAQ	AVT	Thu, Jul 23, 2020	25.92	26.69	25.80	26.52
7089	NASDAQ	AVT	Wed, Jul 22, 2020	25.62	26.31	25.62	25.99
7088	NASDAQ	AVT	Tue, Jul 21, 2020	25.88	26.51	25.58	25.74
7087	NASDAQ	AVT	Mon, Jul 20, 2020	25.79	26.04	25.61	25.91
7086	NASDAQ	AVT	Fri, Jul 17, 2020	26.11	26.34	25.71	25.91
7085	NASDAQ	AVT	Thu, Jul 16, 2020	26.46	26.66	25.96	26.09
7084	NASDAQ	AVT	Wed, Jul 15, 2020	26.28	26.67	25.98	26.58
7083	NASDAQ	AVT	Tue, Jul 14, 2020	25.92	25.92	25.16	25.70
7082	NASDAQ	AVT	Mon, Jul 13, 2020	26.45	26.65	25.98	26.01
7081	NASDAQ	AVT	Fri, Jul 10, 2020	26.36	26.72	26.22	26.46
7080	NASDAQ	AVT	Thu, Jul 9, 2020	26.46	26.73	25.98	26.30
7079	NASDAQ	AVT	Wed, Jul 8, 2020	26.31	26.88	26.31	26.55
7078	NASDAQ	AVT	Tue, Jul 7, 2020	26.93	27.16	26.38	26.44
7077	NASDAQ	AVT	Mon, Jul 6, 2020	27.42	27.68	26.94	27.21
7076	NASDAQ	AVT	Thu, Jul 2, 2020	27.27	27.57	26.74	26.86
7075	NASDAQ	AVT	Wed, Jul 1, 2020	28.01	28.24	26.83	26.90
7074	NASDAQ	AVT	Tue, Jun 30, 2020	27.08	28.08	26.76	27.89
7073	NASDAQ	AVT	Mon, Jun 29, 2020	26.30	27.10	26.11	27.07
7072	NASDAQ	AVT	Fri, Jun 26, 2020	25.93	26.32	25.77	26.04
7071	NASDAQ	AVT	Thu, Jun 25, 2020	26.89	26.89	25.20	26.17
7070	NASDAQ	AVT	Wed, Jun 24, 2020	27.98	27.98	26.91	26.95
7069	NASDAQ	AVT	Tue, Jun 23, 2020	28.33	28.79	28.01	28.25
7068	NASDAQ	AVT	Mon, Jun 22, 2020	26.84	27.95	26.10	27.87
7067	NASDAQ	AVT	Fri, Jun 19, 2020	27.28	27.65	26.60	26.93
7066	NASDAQ	AVT	Thu, Jun 18, 2020	27.01	27.62	26.55	27.03
7065	NASDAQ	AVT	Wed, Jun 17, 2020	27.93	27.94	26.91	27.26
7064	NASDAQ	AVT	Tue, Jun 16, 2020	28.32	28.67	27.40	27.92
7063	NASDAQ	AVT	Mon, Jun 15, 2020	26.29	27.60	26.18	27.35
7062	NASDAQ	AVT	Fri, Jun 12, 2020	27.65	27.99	26.59	27.33
7061	NASDAQ	AVT	Thu, Jun 11, 2020	27.35	27.46	26.44	26.49
7060	NASDAQ	AVT	Wed, Jun 10, 2020	30.66	30.66	28.53	28.61
7059	NASDAQ	AVT	Tue, Jun 9, 2020	31.41	31.41	30.35	30.55
7058	NASDAQ	AVT	Mon, Jun 8, 2020	30.51	31.86	30.47	31.75
7057	NASDAQ	AVT	Fri, Jun 5, 2020	30.85	31.31	29.93	30.05
7056	NASDAQ	AVT	Thu, Jun 4, 2020	29.32	30.08	29.26	29.88
7055	NASDAQ	AVT	Wed, Jun 3, 2020	28.61	29.93	28.31	29.63
7054	NASDAQ	AVT	Tue, Jun 2, 2020	27.56	28.13	27.26	28.12
7053	NASDAQ	AVT	Mon, Jun 1, 2020	27.17	28.04	27.04	27.60
7052	NASDAQ	AVT	Fri, May 29, 2020	27.34	27.50	26.75	27.24
7051	NASDAQ	AVT	Thu, May 28, 2020	28.74	28.80	27.43	27.58
7050	NASDAQ	AVT	Wed, May 27, 2020	29.39	29.63	28.51	28.62
7049	NASDAQ	AVT	Tue, May 26, 2020	28.26	29.35	27.75	28.92
7048	NASDAQ	AVT	Fri, May 22, 2020	27.61	27.61	26.69	27.37
7047	NASDAQ	AVT	Thu, May 21, 2020	27.84	28.50	27.61	27.71
7046	NASDAQ	AVT	Wed, May 20, 2020	27.61	28.35	27.54	27.95
7045	NASDAQ	AVT	Tue, May 19, 2020	27.01	27.89	26.65	27.26
7044	NASDAQ	AVT	Mon, May 18, 2020	26.27	27.25	25.92	27.15
7043	NASDAQ	AVT	Fri, May 15, 2020	25.85	26.30	25.26	25.40
7042	NASDAQ	AVT	Thu, May 14, 2020	25.56	26.20	24.72	26.14
7041	NASDAQ	AVT	Wed, May 13, 2020	27.10	27.87	25.69	25.92
7040	NASDAQ	AVT	Tue, May 12, 2020	28.57	28.83	27.35	27.37
7039	NASDAQ	AVT	Mon, May 11, 2020	28.62	28.78	27.63	28.30
7038	NASDAQ	AVT	Fri, May 8, 2020	28.04	29.20	28.04	28.88
7037	NASDAQ	AVT	Thu, May 7, 2020	28.39	28.63	28.04	28.22
7036	NASDAQ	AVT	Wed, May 6, 2020	28.71	28.74	27.87	28.07
7035	NASDAQ	AVT	Tue, May 5, 2020	29.76	29.95	28.34	28.37
7034	NASDAQ	AVT	Mon, May 4, 2020	29.38	29.72	28.50	28.86
7033	NASDAQ	AVT	Fri, May 1, 2020	29.49	29.95	29.29	29.79
7032	NASDAQ	AVT	Thu, Apr 30, 2020	30.05	30.74	29.54	30.02
7031	NASDAQ	AVT	Wed, Apr 29, 2020	29.75	30.87	29.25	30.29
7030	NASDAQ	AVT	Tue, Apr 28, 2020	30.91	32.04	28.00	29.13
7029	NASDAQ	AVT	Mon, Apr 27, 2020	28.15	29.81	28.15	29.52
7028	NASDAQ	AVT	Fri, Apr 24, 2020	27.21	28.19	27.20	28.14
7027	NASDAQ	AVT	Thu, Apr 23, 2020	27.06	27.85	27.06	27.30
7026	NASDAQ	AVT	Wed, Apr 22, 2020	26.45	27.21	26.22	26.87
7025	NASDAQ	AVT	Tue, Apr 21, 2020	26.15	26.59	25.78	26.02
7024	NASDAQ	AVT	Mon, Apr 20, 2020	28.00	28.00	26.71	26.87
7023	NASDAQ	AVT	Fri, Apr 17, 2020	28.04	28.87	27.69	27.92
7022	NASDAQ	AVT	Thu, Apr 16, 2020	26.82	27.47	26.06	27.42
7021	NASDAQ	AVT	Wed, Apr 15, 2020	26.91	27.14	25.93	26.51
7020	NASDAQ	AVT	Tue, Apr 14, 2020	28.25	28.62	27.69	28.01
7019	NASDAQ	AVT	Mon, Apr 13, 2020	28.38	28.38	27.24	27.72
7018	NASDAQ	AVT	Thu, Apr 9, 2020	28.85	29.20	27.88	28.22
7017	NASDAQ	AVT	Wed, Apr 8, 2020	27.54	28.33	27.09	28.04
7016	NASDAQ	AVT	Tue, Apr 7, 2020	28.28	29.02	26.60	26.99
7015	NASDAQ	AVT	Mon, Apr 6, 2020	26.29	27.17	25.92	27.05
7014	NASDAQ	AVT	Fri, Apr 3, 2020	25.67	25.69	24.54	24.96
7013	NASDAQ	AVT	Thu, Apr 2, 2020	24.63	25.42	24.39	25.34
7012	NASDAQ	AVT	Wed, Apr 1, 2020	24.12	25.17	23.52	24.65
7011	NASDAQ	AVT	Tue, Mar 31, 2020	25.50	26.23	24.64	25.10
7010	NASDAQ	AVT	Mon, Mar 30, 2020	24.69	25.61	23.65	25.37
7009	NASDAQ	AVT	Fri, Mar 27, 2020	25.77	25.85	24.13	24.25
7008	NASDAQ	AVT	Thu, Mar 26, 2020	25.62	27.06	24.76	26.87
7007	NASDAQ	AVT	Wed, Mar 25, 2020	25.68	26.35	23.95	25.18
7006	NASDAQ	AVT	Tue, Mar 24, 2020	24.22	25.65	23.93	25.49
7005	NASDAQ	AVT	Mon, Mar 23, 2020	23.36	24.35	22.07	22.99
7004	NASDAQ	AVT	Fri, Mar 20, 2020	22.95	24.40	22.23	23.05
7003	NASDAQ	AVT	Thu, Mar 19, 2020	19.72	22.30	18.60	21.96
7002	NASDAQ	AVT	Wed, Mar 18, 2020	22.98	23.91	17.85	19.79
7001	NASDAQ	AVT	Tue, Mar 17, 2020	24.04	25.00	21.73	24.75
7000	NASDAQ	AVT	Mon, Mar 16, 2020	23.22	26.65	23.22	23.56
6999	NASDAQ	AVT	Fri, Mar 13, 2020	25.18	26.71	24.06	26.70
6998	NASDAQ	AVT	Thu, Mar 12, 2020	26.24	26.27	23.22	23.44
6997	NASDAQ	AVT	Wed, Mar 11, 2020	28.34	28.80	27.61	28.28
6996	NASDAQ	AVT	Tue, Mar 10, 2020	28.72	29.33	27.89	29.27
6995	NASDAQ	AVT	Mon, Mar 9, 2020	28.26	28.75	27.51	27.89
6994	NASDAQ	AVT	Fri, Mar 6, 2020	29.09	31.10	29.04	30.20
6993	NASDAQ	AVT	Thu, Mar 5, 2020	30.28	30.61	29.61	30.08
6992	NASDAQ	AVT	Wed, Mar 4, 2020	31.32	31.40	30.34	31.26
6991	NASDAQ	AVT	Tue, Mar 3, 2020	31.30	32.29	30.67	30.94
6990	NASDAQ	AVT	Mon, Mar 2, 2020	30.73	31.54	30.25	31.52
6989	NASDAQ	AVT	Fri, Feb 28, 2020	30.08	31.80	29.98	30.68
6988	NASDAQ	AVT	Thu, Feb 27, 2020	31.73	32.17	31.04	31.10
6987	NASDAQ	AVT	Wed, Feb 26, 2020	33.23	33.63	32.45	32.49
6986	NASDAQ	AVT	Tue, Feb 25, 2020	34.06	34.19	32.63	32.88
6985	NASDAQ	AVT	Mon, Feb 24, 2020	34.47	34.91	33.82	33.95
6984	NASDAQ	AVT	Fri, Feb 21, 2020	36.05	36.07	35.54	35.58
6983	NASDAQ	AVT	Thu, Feb 20, 2020	35.70	36.18	35.66	36.12
6982	NASDAQ	AVT	Wed, Feb 19, 2020	35.63	35.92	35.52	35.80
6981	NASDAQ	AVT	Tue, Feb 18, 2020	36.11	36.22	35.06	35.45
6980	NASDAQ	AVT	Fri, Feb 14, 2020	36.78	36.89	36.30	36.37
6979	NASDAQ	AVT	Thu, Feb 13, 2020	36.49	36.82	36.12	36.73
6978	NASDAQ	AVT	Wed, Feb 12, 2020	36.53	37.04	36.50	36.87
6977	NASDAQ	AVT	Tue, Feb 11, 2020	36.00	36.62	35.89	36.32
6976	NASDAQ	AVT	Mon, Feb 10, 2020	35.74	36.18	35.45	35.86
6975	NASDAQ	AVT	Fri, Feb 7, 2020	36.87	37.76	35.93	35.97
6974	NASDAQ	AVT	Thu, Feb 6, 2020	37.44	37.77	36.99	37.14
6973	NASDAQ	AVT	Wed, Feb 5, 2020	37.20	37.57	37.06	37.34
6972	NASDAQ	AVT	Tue, Feb 4, 2020	37.24	37.37	36.63	36.84
6971	NASDAQ	AVT	Mon, Feb 3, 2020	36.52	36.95	36.48	36.64
6970	NASDAQ	AVT	Fri, Jan 31, 2020	37.62	37.62	36.26	36.49
6969	NASDAQ	AVT	Thu, Jan 30, 2020	38.20	38.74	37.48	37.84
6968	NASDAQ	AVT	Wed, Jan 29, 2020	39.79	40.16	38.56	38.57
6967	NASDAQ	AVT	Tue, Jan 28, 2020	40.78	41.04	39.66	39.71
6966	NASDAQ	AVT	Mon, Jan 27, 2020	41.18	41.63	40.13	40.44
6965	NASDAQ	AVT	Fri, Jan 24, 2020	41.79	42.89	41.20	41.94
6964	NASDAQ	AVT	Thu, Jan 23, 2020	41.43	41.69	40.83	41.15
6963	NASDAQ	AVT	Wed, Jan 22, 2020	41.39	41.70	41.26	41.47
6962	NASDAQ	AVT	Tue, Jan 21, 2020	41.18	41.69	41.01	41.22
6961	NASDAQ	AVT	Fri, Jan 17, 2020	42.29	42.30	41.59	41.86
6960	NASDAQ	AVT	Thu, Jan 16, 2020	42.27	42.46	42.04	42.19
6959	NASDAQ	AVT	Wed, Jan 15, 2020	41.86	42.25	41.79	41.99
6958	NASDAQ	AVT	Tue, Jan 14, 2020	42.50	42.57	41.75	41.98
6957	NASDAQ	AVT	Mon, Jan 13, 2020	41.64	42.57	41.58	42.56
6956	NASDAQ	AVT	Fri, Jan 10, 2020	42.81	42.83	42.37	42.47
6955	NASDAQ	AVT	Thu, Jan 9, 2020	42.33	42.65	42.03	42.62
6954	NASDAQ	AVT	Wed, Jan 8, 2020	42.15	42.38	41.72	42.12
6953	NASDAQ	AVT	Tue, Jan 7, 2020	41.57	42.19	41.34	42.14
6952	NASDAQ	AVT	Mon, Jan 6, 2020	41.50	41.84	41.36	41.55
6951	NASDAQ	AVT	Fri, Jan 3, 2020	42.07	42.23	41.65	42.01
6950	NASDAQ	AVT	Thu, Jan 2, 2020	42.98	42.98	42.15	42.72
6949	NASDAQ	AVT	Tue, Dec 31, 2019	42.34	42.66	42.27	42.44
6948	NASDAQ	AVT	Mon, Dec 30, 2019	42.51	42.63	42.25	42.42
6947	NASDAQ	AVT	Fri, Dec 27, 2019	42.66	42.71	42.26	42.53
6946	NASDAQ	AVT	Thu, Dec 26, 2019	42.66	42.78	42.44	42.59
6945	NASDAQ	AVT	Tue, Dec 24, 2019	42.39	42.67	42.34	42.54
6944	NASDAQ	AVT	Mon, Dec 23, 2019	42.51	42.69	42.18	42.47
6943	NASDAQ	AVT	Fri, Dec 20, 2019	42.44	42.76	42.16	42.31
6942	NASDAQ	AVT	Thu, Dec 19, 2019	41.84	42.61	41.52	42.34
6941	NASDAQ	AVT	Wed, Dec 18, 2019	42.40	42.40	41.83	41.88
6940	NASDAQ	AVT	Tue, Dec 17, 2019	42.77	43.00	42.14	42.42
6939	NASDAQ	AVT	Mon, Dec 16, 2019	42.59	42.84	42.33	42.78
6938	NASDAQ	AVT	Fri, Dec 13, 2019	42.62	42.98	42.13	42.29
6937	NASDAQ	AVT	Thu, Dec 12, 2019	41.64	42.67	41.45	42.62
6936	NASDAQ	AVT	Wed, Dec 11, 2019	41.20	41.73	41.15	41.70
6935	NASDAQ	AVT	Tue, Dec 10, 2019	41.05	41.16	40.75	41.00
6934	NASDAQ	AVT	Mon, Dec 9, 2019	41.38	41.45	40.99	40.99
6933	NASDAQ	AVT	Fri, Dec 6, 2019	41.55	41.89	41.26	41.37
6932	NASDAQ	AVT	Thu, Dec 5, 2019	40.68	41.15	40.68	41.08
6931	NASDAQ	AVT	Wed, Dec 4, 2019	39.79	40.91	39.79	40.63
6930	NASDAQ	AVT	Tue, Dec 3, 2019	39.80	39.97	39.23	39.50
6929	NASDAQ	AVT	Mon, Dec 2, 2019	40.65	41.11	40.53	40.70
6928	NASDAQ	AVT	Fri, Nov 29, 2019	41.05	41.26	40.62	40.65
6927	NASDAQ	AVT	Wed, Nov 27, 2019	41.30	41.48	41.09	41.32
6926	NASDAQ	AVT	Tue, Nov 26, 2019	41.07	41.40	40.78	41.10
6925	NASDAQ	AVT	Mon, Nov 25, 2019	40.54	41.27	40.32	41.07
6924	NASDAQ	AVT	Fri, Nov 22, 2019	40.70	40.95	40.32	40.40
6923	NASDAQ	AVT	Thu, Nov 21, 2019	40.40	40.67	40.13	40.62
6922	NASDAQ	AVT	Wed, Nov 20, 2019	40.48	40.76	39.84	40.42
6921	NASDAQ	AVT	Tue, Nov 19, 2019	40.79	41.00	40.29	40.53
6920	NASDAQ	AVT	Mon, Nov 18, 2019	40.74	40.95	40.40	40.57
6919	NASDAQ	AVT	Fri, Nov 15, 2019	40.93	41.20	40.57	41.01
6918	NASDAQ	AVT	Thu, Nov 14, 2019	40.46	40.90	39.49	40.56
6917	NASDAQ	AVT	Wed, Nov 13, 2019	40.75	41.29	40.74	40.98
6916	NASDAQ	AVT	Tue, Nov 12, 2019	41.38	41.56	40.74	40.97
6915	NASDAQ	AVT	Mon, Nov 11, 2019	41.68	42.04	41.38	41.40
6914	NASDAQ	AVT	Fri, Nov 8, 2019	41.64	41.98	41.30	41.95
6913	NASDAQ	AVT	Thu, Nov 7, 2019	41.59	41.94	41.10	41.86
6912	NASDAQ	AVT	Wed, Nov 6, 2019	41.48	41.58	40.50	41.03
6911	NASDAQ	AVT	Tue, Nov 5, 2019	41.29	42.02	41.28	41.52
6910	NASDAQ	AVT	Mon, Nov 4, 2019	40.54	41.29	40.42	41.20
6909	NASDAQ	AVT	Fri, Nov 1, 2019	39.93	40.32	39.46	40.05
6908	NASDAQ	AVT	Thu, Oct 31, 2019	39.55	39.86	39.01	39.56
6907	NASDAQ	AVT	Wed, Oct 30, 2019	40.12	40.25	38.81	39.60
6906	NASDAQ	AVT	Tue, Oct 29, 2019	39.89	40.33	39.78	39.97
6905	NASDAQ	AVT	Mon, Oct 28, 2019	39.03	40.13	39.03	39.86
6904	NASDAQ	AVT	Fri, Oct 25, 2019	37.00	40.39	36.82	39.17
6903	NASDAQ	AVT	Thu, Oct 24, 2019	41.10	41.18	39.82	40.38
6902	NASDAQ	AVT	Wed, Oct 23, 2019	41.27	41.27	40.73	40.89
6901	NASDAQ	AVT	Tue, Oct 22, 2019	41.50	41.82	41.05	41.37
6900	NASDAQ	AVT	Mon, Oct 21, 2019	41.68	42.13	41.40	41.51
6899	NASDAQ	AVT	Fri, Oct 18, 2019	41.56	41.87	41.30	41.34
6898	NASDAQ	AVT	Thu, Oct 17, 2019	41.32	41.78	41.05	41.64
6897	NASDAQ	AVT	Wed, Oct 16, 2019	41.29	42.00	41.15	41.28
6896	NASDAQ	AVT	Tue, Oct 15, 2019	40.58	41.59	40.42	41.04
6895	NASDAQ	AVT	Mon, Oct 14, 2019	40.07	40.70	40.02	40.48
6894	NASDAQ	AVT	Fri, Oct 11, 2019	40.52	41.10	40.26	40.34
6893	NASDAQ	AVT	Thu, Oct 10, 2019	39.67	40.29	39.39	39.83
6892	NASDAQ	AVT	Wed, Oct 9, 2019	39.62	39.91	39.35	39.56
6891	NASDAQ	AVT	Tue, Oct 8, 2019	39.66	40.17	39.18	39.21
6890	NASDAQ	AVT	Mon, Oct 7, 2019	39.68	40.48	39.44	40.05
6889	NASDAQ	AVT	Fri, Oct 4, 2019	38.73	40.07	37.89	39.90
6888	NASDAQ	AVT	Thu, Oct 3, 2019	43.32	43.83	42.70	43.81
6887	NASDAQ	AVT	Wed, Oct 2, 2019	43.40	43.60	42.98	43.31
6886	NASDAQ	AVT	Tue, Oct 1, 2019	44.78	45.16	43.53	43.71
6885	NASDAQ	AVT	Mon, Sep 30, 2019	44.32	44.55	43.84	44.49
6884	NASDAQ	AVT	Fri, Sep 27, 2019	44.40	44.77	43.78	44.10
6883	NASDAQ	AVT	Thu, Sep 26, 2019	44.15	44.39	43.69	44.12
6882	NASDAQ	AVT	Wed, Sep 25, 2019	43.46	44.43	43.46	44.20
6881	NASDAQ	AVT	Tue, Sep 24, 2019	44.56	44.67	43.16	43.22
6880	NASDAQ	AVT	Mon, Sep 23, 2019	43.11	44.47	42.93	44.19
6879	NASDAQ	AVT	Fri, Sep 20, 2019	43.64	44.08	43.22	43.30
6878	NASDAQ	AVT	Thu, Sep 19, 2019	44.04	44.31	43.30	43.41
6877	NASDAQ	AVT	Wed, Sep 18, 2019	43.97	44.20	43.35	44.09
6876	NASDAQ	AVT	Tue, Sep 17, 2019	44.13	44.70	43.40	44.02
6875	NASDAQ	AVT	Mon, Sep 16, 2019	44.35	44.81	44.29	44.47
6874	NASDAQ	AVT	Fri, Sep 13, 2019	45.16	45.23	44.50	44.69
6873	NASDAQ	AVT	Thu, Sep 12, 2019	44.90	45.04	44.13	44.78
6872	NASDAQ	AVT	Wed, Sep 11, 2019	44.49	44.91	43.74	44.85
6871	NASDAQ	AVT	Tue, Sep 10, 2019	44.08	44.37	43.58	44.19
6870	NASDAQ	AVT	Mon, Sep 9, 2019	43.96	44.37	43.83	44.23
6869	NASDAQ	AVT	Fri, Sep 6, 2019	43.96	44.29	43.72	43.82
6868	NASDAQ	AVT	Thu, Sep 5, 2019	43.17	44.49	43.17	44.00
6867	NASDAQ	AVT	Wed, Sep 4, 2019	42.43	42.72	42.22	42.54
6866	NASDAQ	AVT	Tue, Sep 3, 2019	41.61	41.79	41.03	41.67
6865	NASDAQ	AVT	Fri, Aug 30, 2019	42.03	42.14	41.50	41.89
6864	NASDAQ	AVT	Thu, Aug 29, 2019	40.64	41.92	40.25	41.64
6863	NASDAQ	AVT	Wed, Aug 28, 2019	39.87	40.17	39.62	39.95
6862	NASDAQ	AVT	Tue, Aug 27, 2019	41.10	41.10	39.93	40.08
6861	NASDAQ	AVT	Mon, Aug 26, 2019	40.85	41.03	40.65	40.84
6860	NASDAQ	AVT	Fri, Aug 23, 2019	41.73	42.27	40.36	40.50
6859	NASDAQ	AVT	Thu, Aug 22, 2019	41.97	42.41	41.77	42.21
6858	NASDAQ	AVT	Wed, Aug 21, 2019	41.69	41.92	41.18	41.80
6857	NASDAQ	AVT	Tue, Aug 20, 2019	41.53	41.78	41.12	41.15
6856	NASDAQ	AVT	Mon, Aug 19, 2019	42.01	42.30	41.57	41.60
6855	NASDAQ	AVT	Fri, Aug 16, 2019	39.72	41.22	39.72	40.99
6854	NASDAQ	AVT	Thu, Aug 15, 2019	39.76	40.02	39.28	39.32
6853	NASDAQ	AVT	Wed, Aug 14, 2019	40.55	40.91	39.64	39.72
6852	NASDAQ	AVT	Tue, Aug 13, 2019	40.67	42.13	40.50	41.34
6851	NASDAQ	AVT	Mon, Aug 12, 2019	41.01	41.47	40.71	40.72
6850	NASDAQ	AVT	Fri, Aug 9, 2019	40.06	42.51	39.69	41.32
6849	NASDAQ	AVT	Thu, Aug 8, 2019	41.97	43.09	41.78	42.91
6848	NASDAQ	AVT	Wed, Aug 7, 2019	41.26	41.91	40.87	41.79
6847	NASDAQ	AVT	Tue, Aug 6, 2019	41.35	42.04	41.16	41.80
6846	NASDAQ	AVT	Mon, Aug 5, 2019	42.53	42.53	40.67	41.19
6845	NASDAQ	AVT	Fri, Aug 2, 2019	44.44	44.44	43.31	43.42
6844	NASDAQ	AVT	Thu, Aug 1, 2019	45.44	46.41	44.40	44.79
6843	NASDAQ	AVT	Wed, Jul 31, 2019	45.84	46.28	45.41	45.42
6842	NASDAQ	AVT	Tue, Jul 30, 2019	45.51	45.72	45.15	45.72
6841	NASDAQ	AVT	Mon, Jul 29, 2019	45.47	45.83	45.09	45.79
6840	NASDAQ	AVT	Fri, Jul 26, 2019	45.09	45.51	45.04	45.50
6839	NASDAQ	AVT	Thu, Jul 25, 2019	45.71	45.71	44.60	44.83
6838	NASDAQ	AVT	Wed, Jul 24, 2019	44.51	45.84	44.51	45.84
6837	NASDAQ	AVT	Tue, Jul 23, 2019	44.31	44.81	44.17	44.62
6836	NASDAQ	AVT	Mon, Jul 22, 2019	43.69	44.31	43.67	44.06
6835	NASDAQ	AVT	Fri, Jul 19, 2019	43.35	43.93	43.34	43.51
6834	NASDAQ	AVT	Thu, Jul 18, 2019	42.98	43.37	42.75	43.19
6833	NASDAQ	AVT	Wed, Jul 17, 2019	43.19	43.80	42.97	43.08
6832	NASDAQ	AVT	Tue, Jul 16, 2019	41.99	43.56	41.57	43.29
6831	NASDAQ	AVT	Mon, Jul 15, 2019	43.69	43.88	43.14	43.57
6830	NASDAQ	AVT	Fri, Jul 12, 2019	42.72	43.73	42.72	43.49
6829	NASDAQ	AVT	Thu, Jul 11, 2019	43.36	43.48	42.41	42.68
6828	NASDAQ	AVT	Wed, Jul 10, 2019	44.05	44.46	42.09	43.58
6827	NASDAQ	AVT	Tue, Jul 9, 2019	43.73	43.95	43.43	43.89
6826	NASDAQ	AVT	Mon, Jul 8, 2019	44.60	44.87	43.66	43.91
6825	NASDAQ	AVT	Fri, Jul 5, 2019	44.73	44.99	44.20	44.76
6824	NASDAQ	AVT	Wed, Jul 3, 2019	44.61	45.65	44.29	45.11
6823	NASDAQ	AVT	Tue, Jul 2, 2019	45.31	45.31	44.23	44.47
6822	NASDAQ	AVT	Mon, Jul 1, 2019	46.06	46.18	45.21	45.59
6821	NASDAQ	AVT	Fri, Jun 28, 2019	45.13	45.46	44.72	45.27
6820	NASDAQ	AVT	Thu, Jun 27, 2019	44.41	44.83	43.68	44.79
6819	NASDAQ	AVT	Wed, Jun 26, 2019	43.18	44.42	42.97	43.68
6818	NASDAQ	AVT	Tue, Jun 25, 2019	42.88	43.60	42.87	43.12
6817	NASDAQ	AVT	Mon, Jun 24, 2019	43.10	43.65	42.89	42.90
6816	NASDAQ	AVT	Fri, Jun 21, 2019	43.48	43.48	42.78	43.00
6815	NASDAQ	AVT	Thu, Jun 20, 2019	44.18	44.63	43.63	43.78
6814	NASDAQ	AVT	Wed, Jun 19, 2019	43.65	44.06	43.37	43.75
6813	NASDAQ	AVT	Tue, Jun 18, 2019	43.13	43.71	42.79	43.43
6812	NASDAQ	AVT	Mon, Jun 17, 2019	43.19	43.48	42.66	42.78
6811	NASDAQ	AVT	Fri, Jun 14, 2019	44.28	44.28	43.26	43.34
6810	NASDAQ	AVT	Thu, Jun 13, 2019	44.50	44.85	43.99	44.42
6809	NASDAQ	AVT	Wed, Jun 12, 2019	44.40	44.75	43.90	44.34
6808	NASDAQ	AVT	Tue, Jun 11, 2019	44.76	45.10	44.37	44.57
6807	NASDAQ	AVT	Mon, Jun 10, 2019	44.00	45.00	43.92	44.31
6806	NASDAQ	AVT	Fri, Jun 7, 2019	43.18	43.73	42.93	43.61
6805	NASDAQ	AVT	Thu, Jun 6, 2019	42.58	42.98	42.11	42.86
6804	NASDAQ	AVT	Wed, Jun 5, 2019	42.84	42.88	41.90	42.52
6803	NASDAQ	AVT	Tue, Jun 4, 2019	41.46	42.65	41.46	42.62
6802	NASDAQ	AVT	Mon, Jun 3, 2019	40.83	41.76	40.43	41.18
6801	NASDAQ	AVT	Fri, May 31, 2019	41.49	41.64	40.55	40.84
6800	NASDAQ	AVT	Thu, May 30, 2019	42.02	42.52	41.79	41.93
6799	NASDAQ	AVT	Wed, May 29, 2019	41.76	42.26	41.41	41.96
6798	NASDAQ	AVT	Tue, May 28, 2019	42.54	42.72	42.11	42.11
6797	NASDAQ	AVT	Fri, May 24, 2019	42.58	42.90	42.19	42.42
6796	NASDAQ	AVT	Thu, May 23, 2019	42.42	43.15	41.81	42.32
6795	NASDAQ	AVT	Wed, May 22, 2019	43.71	44.02	42.95	43.01
6794	NASDAQ	AVT	Tue, May 21, 2019	43.35	43.97	43.34	43.93
6793	NASDAQ	AVT	Mon, May 20, 2019	43.04	43.70	42.95	43.08
6792	NASDAQ	AVT	Fri, May 17, 2019	43.97	44.25	43.39	43.39
6791	NASDAQ	AVT	Thu, May 16, 2019	44.06	44.94	44.01	44.49
6790	NASDAQ	AVT	Wed, May 15, 2019	43.50	44.29	43.44	44.01
6789	NASDAQ	AVT	Tue, May 14, 2019	43.32	43.89	43.18	43.63
6788	NASDAQ	AVT	Mon, May 13, 2019	44.24	44.43	43.15	43.24
6787	NASDAQ	AVT	Fri, May 10, 2019	45.10	45.63	44.41	45.37
6786	NASDAQ	AVT	Thu, May 9, 2019	44.82	45.52	44.47	45.28
6785	NASDAQ	AVT	Wed, May 8, 2019	45.60	46.01	45.31	45.34
6784	NASDAQ	AVT	Tue, May 7, 2019	46.11	46.41	45.58	45.79
6783	NASDAQ	AVT	Mon, May 6, 2019	45.93	46.63	45.78	46.44
6782	NASDAQ	AVT	Fri, May 3, 2019	46.82	47.27	45.70	46.82
6781	NASDAQ	AVT	Thu, May 2, 2019	47.17	47.58	46.39	46.80
6780	NASDAQ	AVT	Wed, May 1, 2019	48.88	48.88	47.31	47.33
6779	NASDAQ	AVT	Tue, Apr 30, 2019	48.35	48.72	47.81	48.61
6778	NASDAQ	AVT	Mon, Apr 29, 2019	48.13	49.03	47.99	48.45
6777	NASDAQ	AVT	Fri, Apr 26, 2019	46.67	48.58	46.50	48.06
6776	NASDAQ	AVT	Thu, Apr 25, 2019	47.43	47.53	46.38	46.46
6775	NASDAQ	AVT	Wed, Apr 24, 2019	46.82	47.78	46.80	47.49
6774	NASDAQ	AVT	Tue, Apr 23, 2019	46.16	47.13	46.11	46.93
6773	NASDAQ	AVT	Mon, Apr 22, 2019	46.48	47.00	45.63	46.05
6772	NASDAQ	AVT	Thu, Apr 18, 2019	46.52	46.77	46.14	46.63
6771	NASDAQ	AVT	Wed, Apr 17, 2019	47.59	47.59	46.29	46.50
6770	NASDAQ	AVT	Tue, Apr 16, 2019	47.00	47.40	46.98	47.33
6769	NASDAQ	AVT	Mon, Apr 15, 2019	46.98	47.23	46.57	46.96
6768	NASDAQ	AVT	Fri, Apr 12, 2019	47.00	47.42	46.67	46.86
6767	NASDAQ	AVT	Thu, Apr 11, 2019	46.47	46.84	45.57	46.74
6766	NASDAQ	AVT	Wed, Apr 10, 2019	45.65	46.45	45.00	46.31
6765	NASDAQ	AVT	Tue, Apr 9, 2019	46.04	46.04	45.43	45.54
6764	NASDAQ	AVT	Mon, Apr 8, 2019	45.65	46.28	45.50	46.24
6763	NASDAQ	AVT	Fri, Apr 5, 2019	45.48	45.88	45.11	45.76
6762	NASDAQ	AVT	Thu, Apr 4, 2019	44.76	45.54	44.19	45.33
6761	NASDAQ	AVT	Wed, Apr 3, 2019	44.57	45.16	44.23	44.65
6760	NASDAQ	AVT	Tue, Apr 2, 2019	44.22	44.26	43.69	44.14
6759	NASDAQ	AVT	Mon, Apr 1, 2019	43.68	44.39	43.68	44.32
6758	NASDAQ	AVT	Fri, Mar 29, 2019	42.99	43.55	42.93	43.37
6757	NASDAQ	AVT	Thu, Mar 28, 2019	42.75	43.37	42.45	42.62
6756	NASDAQ	AVT	Wed, Mar 27, 2019	42.23	42.84	42.09	42.59
6755	NASDAQ	AVT	Tue, Mar 26, 2019	41.82	42.15	40.97	42.12
6754	NASDAQ	AVT	Mon, Mar 25, 2019	41.99	41.99	41.31	41.45
6753	NASDAQ	AVT	Fri, Mar 22, 2019	43.79	43.81	42.09	42.12
6752	NASDAQ	AVT	Thu, Mar 21, 2019	43.11	44.24	43.11	44.08
6751	NASDAQ	AVT	Wed, Mar 20, 2019	43.59	43.86	42.92	43.32
6750	NASDAQ	AVT	Tue, Mar 19, 2019	44.05	44.26	41.63	43.75
6749	NASDAQ	AVT	Mon, Mar 18, 2019	43.84	44.28	43.48	43.83
6748	NASDAQ	AVT	Fri, Mar 15, 2019	43.56	44.23	42.13	43.76
6747	NASDAQ	AVT	Thu, Mar 14, 2019	43.53	43.74	43.29	43.50
6746	NASDAQ	AVT	Wed, Mar 13, 2019	43.10	43.90	41.88	43.45
6745	NASDAQ	AVT	Tue, Mar 12, 2019	42.94	43.69	41.81	42.89
6744	NASDAQ	AVT	Mon, Mar 11, 2019	42.28	42.84	41.20	42.80
6743	NASDAQ	AVT	Fri, Mar 8, 2019	41.61	42.29	40.69	42.20
6742	NASDAQ	AVT	Thu, Mar 7, 2019	42.40	42.47	41.83	42.06
6741	NASDAQ	AVT	Wed, Mar 6, 2019	43.05	43.99	42.46	42.56
6740	NASDAQ	AVT	Tue, Mar 5, 2019	43.64	43.69	43.03	43.04
6739	NASDAQ	AVT	Mon, Mar 4, 2019	44.07	44.47	43.43	43.65
6738	NASDAQ	AVT	Fri, Mar 1, 2019	43.86	44.08	43.33	43.92
6737	NASDAQ	AVT	Thu, Feb 28, 2019	43.83	43.83	43.48	43.49
6736	NASDAQ	AVT	Wed, Feb 27, 2019	44.28	44.28	43.86	44.08
6735	NASDAQ	AVT	Tue, Feb 26, 2019	44.77	45.00	44.35	44.38
6734	NASDAQ	AVT	Mon, Feb 25, 2019	45.18	45.99	43.90	44.90
6733	NASDAQ	AVT	Fri, Feb 22, 2019	44.93	45.03	44.57	44.88
6732	NASDAQ	AVT	Thu, Feb 21, 2019	44.89	44.98	44.48	44.75
6731	NASDAQ	AVT	Wed, Feb 20, 2019	44.07	45.00	44.06	44.93
6730	NASDAQ	AVT	Tue, Feb 19, 2019	44.03	44.27	43.82	44.16
6729	NASDAQ	AVT	Fri, Feb 15, 2019	44.18	44.46	43.80	44.12
6728	NASDAQ	AVT	Thu, Feb 14, 2019	43.68	44.35	43.50	44.02
6727	NASDAQ	AVT	Wed, Feb 13, 2019	43.73	44.20	43.53	44.03
6726	NASDAQ	AVT	Tue, Feb 12, 2019	43.37	43.91	43.13	43.40
6725	NASDAQ	AVT	Mon, Feb 11, 2019	42.60	43.17	42.36	43.10
6724	NASDAQ	AVT	Fri, Feb 8, 2019	42.17	42.58	41.91	42.56
6723	NASDAQ	AVT	Thu, Feb 7, 2019	42.50	42.98	42.03	42.45
6722	NASDAQ	AVT	Wed, Feb 6, 2019	41.89	42.75	41.39	42.71
6721	NASDAQ	AVT	Tue, Feb 5, 2019	42.04	42.24	41.18	41.93
6720	NASDAQ	AVT	Mon, Feb 4, 2019	41.47	41.96	41.32	41.94
6719	NASDAQ	AVT	Fri, Feb 1, 2019	41.26	41.57	40.92	41.48
6718	NASDAQ	AVT	Thu, Jan 31, 2019	41.08	41.38	40.59	41.20
6717	NASDAQ	AVT	Wed, Jan 30, 2019	40.65	41.19	40.01	41.17
6716	NASDAQ	AVT	Tue, Jan 29, 2019	40.80	40.88	40.35	40.37
6715	NASDAQ	AVT	Mon, Jan 28, 2019	40.41	40.82	39.98	40.74
6714	NASDAQ	AVT	Fri, Jan 25, 2019	40.69	42.40	40.20	41.04
6713	NASDAQ	AVT	Thu, Jan 24, 2019	40.51	41.93	40.51	41.65
6712	NASDAQ	AVT	Wed, Jan 23, 2019	41.18	41.72	40.47	40.53
6711	NASDAQ	AVT	Tue, Jan 22, 2019	42.07	42.46	40.95	41.25
6710	NASDAQ	AVT	Fri, Jan 18, 2019	42.19	42.88	40.74	42.49
6709	NASDAQ	AVT	Thu, Jan 17, 2019	41.14	42.06	41.14	41.83
6708	NASDAQ	AVT	Wed, Jan 16, 2019	41.39	41.77	41.23	41.43
6707	NASDAQ	AVT	Tue, Jan 15, 2019	41.03	41.46	40.57	41.38
6706	NASDAQ	AVT	Mon, Jan 14, 2019	40.78	41.35	40.46	41.03
6705	NASDAQ	AVT	Fri, Jan 11, 2019	40.58	41.34	40.24	41.03
6704	NASDAQ	AVT	Thu, Jan 10, 2019	39.24	40.67	39.09	40.67
6703	NASDAQ	AVT	Wed, Jan 9, 2019	38.44	39.67	38.44	39.51
6702	NASDAQ	AVT	Tue, Jan 8, 2019	38.50	38.75	37.87	38.21
6701	NASDAQ	AVT	Mon, Jan 7, 2019	37.22	38.40	37.06	38.12
6700	NASDAQ	AVT	Fri, Jan 4, 2019	36.05	37.59	36.05	37.23
6699	NASDAQ	AVT	Thu, Jan 3, 2019	36.00	36.22	34.58	35.69
6698	NASDAQ	AVT	Wed, Jan 2, 2019	35.36	36.84	34.56	36.57
6697	NASDAQ	AVT	Mon, Dec 31, 2018	36.25	36.36	34.40	36.10
6696	NASDAQ	AVT	Fri, Dec 28, 2018	35.88	36.47	35.63	35.90
6695	NASDAQ	AVT	Thu, Dec 27, 2018	34.91	35.77	34.51	35.76
6694	NASDAQ	AVT	Wed, Dec 26, 2018	34.30	35.54	33.55	35.52
6693	NASDAQ	AVT	Mon, Dec 24, 2018	34.63	35.09	33.89	34.09
6692	NASDAQ	AVT	Fri, Dec 21, 2018	35.57	35.82	34.53	34.94
6691	NASDAQ	AVT	Thu, Dec 20, 2018	36.32	36.57	35.05	35.55
6690	NASDAQ	AVT	Wed, Dec 19, 2018	36.95	37.70	36.07	36.32
6689	NASDAQ	AVT	Tue, Dec 18, 2018	37.75	38.14	36.97	37.01
6688	NASDAQ	AVT	Mon, Dec 17, 2018	38.59	38.78	37.10	37.34
6687	NASDAQ	AVT	Fri, Dec 14, 2018	39.08	39.56	38.64	38.76
6686	NASDAQ	AVT	Thu, Dec 13, 2018	40.55	40.55	39.27	39.34
6685	NASDAQ	AVT	Wed, Dec 12, 2018	40.66	41.03	40.26	40.45
6684	NASDAQ	AVT	Tue, Dec 11, 2018	42.37	42.73	39.51	39.95
6683	NASDAQ	AVT	Mon, Dec 10, 2018	42.00	42.27	41.09	41.77
6682	NASDAQ	AVT	Fri, Dec 7, 2018	42.94	43.07	41.82	41.99
6681	NASDAQ	AVT	Thu, Dec 6, 2018	41.72	43.24	41.50	42.98
6680	NASDAQ	AVT	Tue, Dec 4, 2018	43.94	44.08	42.35	42.52
6679	NASDAQ	AVT	Mon, Dec 3, 2018	44.98	45.17	44.53	44.64
6678	NASDAQ	AVT	Fri, Nov 30, 2018	43.17	43.89	43.07	43.82
6677	NASDAQ	AVT	Thu, Nov 29, 2018	43.09	43.97	42.79	43.40
6676	NASDAQ	AVT	Wed, Nov 28, 2018	42.66	43.76	41.72	43.32
6675	NASDAQ	AVT	Tue, Nov 27, 2018	42.93	43.23	42.35	42.37
6674	NASDAQ	AVT	Mon, Nov 26, 2018	43.42	43.64	42.93	43.36
6673	NASDAQ	AVT	Fri, Nov 23, 2018	42.51	43.15	42.21	42.77
6672	NASDAQ	AVT	Wed, Nov 21, 2018	42.42	43.15	41.96	42.76
6671	NASDAQ	AVT	Tue, Nov 20, 2018	41.78	43.09	41.78	42.04
6670	NASDAQ	AVT	Mon, Nov 19, 2018	43.42	43.72	42.68	42.91
6669	NASDAQ	AVT	Fri, Nov 16, 2018	42.56	43.87	41.80	43.60
6668	NASDAQ	AVT	Thu, Nov 15, 2018	41.74	42.93	41.32	42.85
6667	NASDAQ	AVT	Wed, Nov 14, 2018	43.50	43.87	41.75	41.91
6666	NASDAQ	AVT	Tue, Nov 13, 2018	42.98	44.14	42.98	43.36
6665	NASDAQ	AVT	Mon, Nov 12, 2018	43.61	43.81	42.63	42.76
6664	NASDAQ	AVT	Fri, Nov 9, 2018	43.47	43.82	42.85	43.66
6663	NASDAQ	AVT	Thu, Nov 8, 2018	43.97	44.38	43.71	43.94
6662	NASDAQ	AVT	Wed, Nov 7, 2018	43.96	44.25	43.13	44.00
6661	NASDAQ	AVT	Tue, Nov 6, 2018	43.02	43.99	43.02	43.58
6660	NASDAQ	AVT	Mon, Nov 5, 2018	43.06	43.55	42.61	43.18
6659	NASDAQ	AVT	Fri, Nov 2, 2018	41.94	43.31	41.79	42.92
6658	NASDAQ	AVT	Thu, Nov 1, 2018	40.34	41.99	40.11	41.82
6657	NASDAQ	AVT	Wed, Oct 31, 2018	39.57	40.34	39.39	40.07
6656	NASDAQ	AVT	Tue, Oct 30, 2018	38.31	39.34	38.09	39.06
6655	NASDAQ	AVT	Mon, Oct 29, 2018	38.02	39.75	37.68	38.23
6654	NASDAQ	AVT	Fri, Oct 26, 2018	39.59	39.59	37.11	37.30
6653	NASDAQ	AVT	Thu, Oct 25, 2018	38.53	38.78	38.13	38.62
6652	NASDAQ	AVT	Wed, Oct 24, 2018	40.42	40.60	38.39	38.42
6651	NASDAQ	AVT	Tue, Oct 23, 2018	40.50	41.06	39.90	40.68
6650	NASDAQ	AVT	Mon, Oct 22, 2018	41.24	41.67	40.98	41.22
6649	NASDAQ	AVT	Fri, Oct 19, 2018	41.32	42.00	40.85	41.03
6648	NASDAQ	AVT	Thu, Oct 18, 2018	41.52	41.80	40.94	41.31
6647	NASDAQ	AVT	Wed, Oct 17, 2018	41.52	41.83	41.05	41.80
6646	NASDAQ	AVT	Tue, Oct 16, 2018	41.04	41.87	40.55	41.77
6645	NASDAQ	AVT	Mon, Oct 15, 2018	40.40	41.08	40.40	40.79
6644	NASDAQ	AVT	Fri, Oct 12, 2018	40.21	40.65	39.73	40.47
6643	NASDAQ	AVT	Thu, Oct 11, 2018	40.05	40.31	39.34	39.48
6642	NASDAQ	AVT	Wed, Oct 10, 2018	41.67	41.67	39.85	39.90
6641	NASDAQ	AVT	Tue, Oct 9, 2018	41.71	41.82	41.29	41.60
6640	NASDAQ	AVT	Mon, Oct 8, 2018	42.50	42.53	41.42	41.87
6639	NASDAQ	AVT	Fri, Oct 5, 2018	43.15	43.48	42.60	42.75
6638	NASDAQ	AVT	Thu, Oct 4, 2018	43.40	43.73	42.81	43.27
6637	NASDAQ	AVT	Wed, Oct 3, 2018	43.56	43.93	43.33	43.62
6636	NASDAQ	AVT	Tue, Oct 2, 2018	43.11	43.94	43.04	43.36
6635	NASDAQ	AVT	Mon, Oct 1, 2018	44.97	44.97	43.19	43.35
6634	NASDAQ	AVT	Fri, Sep 28, 2018	44.54	45.13	44.43	44.77
6633	NASDAQ	AVT	Thu, Sep 27, 2018	45.50	45.61	44.61	44.64
6632	NASDAQ	AVT	Wed, Sep 26, 2018	46.03	46.04	45.42	45.47
6631	NASDAQ	AVT	Tue, Sep 25, 2018	47.07	47.07	46.06	46.11
6630	NASDAQ	AVT	Mon, Sep 24, 2018	47.05	47.21	46.60	47.00
6629	NASDAQ	AVT	Fri, Sep 21, 2018	46.77	47.39	46.51	47.11
6628	NASDAQ	AVT	Thu, Sep 20, 2018	47.28	47.52	46.64	46.77
6627	NASDAQ	AVT	Wed, Sep 19, 2018	47.35	47.76	46.84	47.08
6626	NASDAQ	AVT	Tue, Sep 18, 2018	47.51	47.85	46.97	47.30
6625	NASDAQ	AVT	Mon, Sep 17, 2018	47.80	48.03	47.38	47.43
6624	NASDAQ	AVT	Fri, Sep 14, 2018	47.53	48.06	47.49	47.85
6623	NASDAQ	AVT	Thu, Sep 13, 2018	47.53	47.74	47.46	47.57
6622	NASDAQ	AVT	Wed, Sep 12, 2018	47.79	47.84	47.41	47.44
6621	NASDAQ	AVT	Tue, Sep 11, 2018	47.54	48.27	47.34	47.84
6620	NASDAQ	AVT	Mon, Sep 10, 2018	47.74	47.92	47.42	47.82
6619	NASDAQ	AVT	Fri, Sep 7, 2018	47.39	47.73	47.14	47.65
6618	NASDAQ	AVT	Thu, Sep 6, 2018	48.10	48.16	47.82	47.95
6617	NASDAQ	AVT	Wed, Sep 5, 2018	47.80	48.30	47.56	47.99
6616	NASDAQ	AVT	Tue, Sep 4, 2018	48.46	48.73	48.03	48.22
6615	NASDAQ	AVT	Fri, Aug 31, 2018	48.52	48.56	47.92	48.40
6614	NASDAQ	AVT	Thu, Aug 30, 2018	48.74	49.41	48.51	48.71
6613	NASDAQ	AVT	Wed, Aug 29, 2018	48.92	49.33	48.56	48.94
6612	NASDAQ	AVT	Tue, Aug 28, 2018	48.87	49.03	48.41	48.62
6611	NASDAQ	AVT	Mon, Aug 27, 2018	48.97	49.35	48.50	48.74
6610	NASDAQ	AVT	Fri, Aug 24, 2018	48.70	48.72	48.05	48.42
6609	NASDAQ	AVT	Thu, Aug 23, 2018	48.52	48.80	48.38	48.58
6608	NASDAQ	AVT	Wed, Aug 22, 2018	49.00	49.33	48.28	48.66
6607	NASDAQ	AVT	Tue, Aug 21, 2018	48.25	49.29	48.02	49.14
6606	NASDAQ	AVT	Mon, Aug 20, 2018	48.21	48.21	47.35	48.02
6605	NASDAQ	AVT	Fri, Aug 17, 2018	47.04	47.68	46.55	47.58
6604	NASDAQ	AVT	Thu, Aug 16, 2018	46.85	47.54	46.64	47.05
6603	NASDAQ	AVT	Wed, Aug 15, 2018	46.43	46.75	46.13	46.54
6602	NASDAQ	AVT	Tue, Aug 14, 2018	45.59	46.87	45.35	46.74
6601	NASDAQ	AVT	Mon, Aug 13, 2018	46.53	46.53	45.77	45.77
6600	NASDAQ	AVT	Fri, Aug 10, 2018	47.00	47.13	45.83	46.38
6599	NASDAQ	AVT	Thu, Aug 9, 2018	45.00	46.84	44.21	46.41
6598	NASDAQ	AVT	Wed, Aug 8, 2018	44.42	44.71	43.90	44.60
6597	NASDAQ	AVT	Tue, Aug 7, 2018	44.11	44.37	44.07	44.27
6596	NASDAQ	AVT	Mon, Aug 6, 2018	43.85	44.05	43.36	43.91
6595	NASDAQ	AVT	Fri, Aug 3, 2018	43.76	44.19	43.45	43.86
6594	NASDAQ	AVT	Thu, Aug 2, 2018	43.44	44.18	43.35	44.04
6593	NASDAQ	AVT	Wed, Aug 1, 2018	43.70	43.94	43.41	43.68
6592	NASDAQ	AVT	Tue, Jul 31, 2018	43.25	44.11	43.11	43.85
6591	NASDAQ	AVT	Mon, Jul 30, 2018	43.53	44.03	43.09	43.13
6590	NASDAQ	AVT	Fri, Jul 27, 2018	43.99	44.12	43.31	43.52
6589	NASDAQ	AVT	Thu, Jul 26, 2018	43.38	44.19	43.32	43.79
6588	NASDAQ	AVT	Wed, Jul 25, 2018	43.10	43.53	42.84	43.52
6587	NASDAQ	AVT	Tue, Jul 24, 2018	43.44	43.81	42.94	43.00
6586	NASDAQ	AVT	Mon, Jul 23, 2018	43.48	43.49	42.98	43.33
6585	NASDAQ	AVT	Fri, Jul 20, 2018	44.43	44.43	43.59	43.61
6584	NASDAQ	AVT	Thu, Jul 19, 2018	44.24	44.48	44.00	44.38
6583	NASDAQ	AVT	Wed, Jul 18, 2018	43.80	44.50	43.50	44.25
6582	NASDAQ	AVT	Tue, Jul 17, 2018	43.82	44.15	43.64	43.82
6581	NASDAQ	AVT	Mon, Jul 16, 2018	44.36	44.52	43.77	43.93
6580	NASDAQ	AVT	Fri, Jul 13, 2018	44.17	44.73	42.62	44.28
6579	NASDAQ	AVT	Thu, Jul 12, 2018	44.23	44.43	43.68	44.29
6578	NASDAQ	AVT	Wed, Jul 11, 2018	44.50	44.50	43.11	43.94
6577	NASDAQ	AVT	Tue, Jul 10, 2018	44.82	44.83	44.38	44.70
6576	NASDAQ	AVT	Mon, Jul 9, 2018	44.03	44.77	43.20	44.74
6575	NASDAQ	AVT	Fri, Jul 6, 2018	43.60	44.00	43.19	43.97
6574	NASDAQ	AVT	Thu, Jul 5, 2018	43.21	43.77	42.77	43.71
6573	NASDAQ	AVT	Tue, Jul 3, 2018	42.94	43.54	42.71	43.04
6572	NASDAQ	AVT	Mon, Jul 2, 2018	42.46	42.88	42.01	42.85
6571	NASDAQ	AVT	Fri, Jun 29, 2018	42.77	43.15	42.58	42.89
6570	NASDAQ	AVT	Thu, Jun 28, 2018	43.24	43.29	42.33	42.73
6569	NASDAQ	AVT	Wed, Jun 27, 2018	43.43	43.96	43.21	43.33
6568	NASDAQ	AVT	Tue, Jun 26, 2018	42.87	43.73	42.64	43.52
6567	NASDAQ	AVT	Mon, Jun 25, 2018	42.68	42.95	42.09	42.88
6566	NASDAQ	AVT	Fri, Jun 22, 2018	42.66	43.20	42.57	43.09
6565	NASDAQ	AVT	Thu, Jun 21, 2018	42.28	42.93	42.16	42.66
6564	NASDAQ	AVT	Wed, Jun 20, 2018	42.69	42.78	42.12	42.29
6563	NASDAQ	AVT	Tue, Jun 19, 2018	42.37	42.57	41.56	42.46
6562	NASDAQ	AVT	Mon, Jun 18, 2018	42.62	43.01	42.01	42.56
6561	NASDAQ	AVT	Fri, Jun 15, 2018	40.11	43.25	40.11	42.72
6560	NASDAQ	AVT	Thu, Jun 14, 2018	39.83	40.69	39.40	40.18
6559	NASDAQ	AVT	Wed, Jun 13, 2018	39.76	39.92	39.42	39.64
6558	NASDAQ	AVT	Tue, Jun 12, 2018	39.62	39.87	39.43	39.63
6557	NASDAQ	AVT	Mon, Jun 11, 2018	39.65	39.94	39.35	39.65
6556	NASDAQ	AVT	Fri, Jun 8, 2018	39.31	39.74	38.83	39.58
6555	NASDAQ	AVT	Thu, Jun 7, 2018	39.30	39.70	39.19	39.41
6554	NASDAQ	AVT	Wed, Jun 6, 2018	39.38	39.38	38.81	39.31
6553	NASDAQ	AVT	Tue, Jun 5, 2018	38.49	39.46	38.31	39.31
6552	NASDAQ	AVT	Mon, Jun 4, 2018	38.64	38.75	38.41	38.58
6551	NASDAQ	AVT	Fri, Jun 1, 2018	38.36	39.12	38.33	38.63
6550	NASDAQ	AVT	Thu, May 31, 2018	39.33	39.46	38.12	38.12
6549	NASDAQ	AVT	Wed, May 30, 2018	38.88	39.55	38.73	39.27
6548	NASDAQ	AVT	Tue, May 29, 2018	38.50	38.84	38.28	38.61
6547	NASDAQ	AVT	Fri, May 25, 2018	38.62	38.99	38.51	38.70
6546	NASDAQ	AVT	Thu, May 24, 2018	38.69	38.94	38.40	38.75
6545	NASDAQ	AVT	Wed, May 23, 2018	39.03	39.22	38.57	38.71
6544	NASDAQ	AVT	Tue, May 22, 2018	39.77	39.77	38.97	39.30
6543	NASDAQ	AVT	Mon, May 21, 2018	39.34	39.93	39.23	39.48
6542	NASDAQ	AVT	Fri, May 18, 2018	39.10	39.23	38.86	39.05
6541	NASDAQ	AVT	Thu, May 17, 2018	38.80	39.46	38.80	39.18
6540	NASDAQ	AVT	Wed, May 16, 2018	39.07	39.52	38.46	38.93
6539	NASDAQ	AVT	Tue, May 15, 2018	40.20	40.47	40.02	40.43
6538	NASDAQ	AVT	Mon, May 14, 2018	40.83	40.88	40.40	40.45
6537	NASDAQ	AVT	Fri, May 11, 2018	40.68	41.09	40.41	40.75
6536	NASDAQ	AVT	Thu, May 10, 2018	40.04	40.97	39.96	40.70
6535	NASDAQ	AVT	Wed, May 9, 2018	40.20	40.48	39.86	40.00
6534	NASDAQ	AVT	Tue, May 8, 2018	39.25	40.13	39.20	40.06
6533	NASDAQ	AVT	Mon, May 7, 2018	39.47	39.61	39.21	39.27
6532	NASDAQ	AVT	Fri, May 4, 2018	38.65	39.53	38.57	39.35
6531	NASDAQ	AVT	Thu, May 3, 2018	39.16	39.16	38.56	38.82
6530	NASDAQ	AVT	Wed, May 2, 2018	39.46	39.69	39.19	39.21
6529	NASDAQ	AVT	Tue, May 1, 2018	39.08	39.38	38.72	39.33
6528	NASDAQ	AVT	Mon, Apr 30, 2018	39.28	39.71	39.14	39.23
6527	NASDAQ	AVT	Fri, Apr 27, 2018	39.03	39.53	38.71	39.27
6526	NASDAQ	AVT	Thu, Apr 26, 2018	40.68	40.72	38.33	39.21
6525	NASDAQ	AVT	Wed, Apr 25, 2018	40.68	40.71	40.09	40.35
6524	NASDAQ	AVT	Tue, Apr 24, 2018	41.08	41.39	39.73	39.93
6523	NASDAQ	AVT	Mon, Apr 23, 2018	41.43	41.62	40.72	40.93
6522	NASDAQ	AVT	Fri, Apr 20, 2018	41.85	42.01	41.00	41.39
6521	NASDAQ	AVT	Thu, Apr 19, 2018	42.65	42.75	41.74	41.91
6520	NASDAQ	AVT	Wed, Apr 18, 2018	42.40	42.74	42.18	42.45
6519	NASDAQ	AVT	Tue, Apr 17, 2018	42.40	42.52	41.89	42.25
6518	NASDAQ	AVT	Mon, Apr 16, 2018	41.97	42.18	41.48	42.08
6517	NASDAQ	AVT	Fri, Apr 13, 2018	42.11	42.27	41.57	41.72
6516	NASDAQ	AVT	Thu, Apr 12, 2018	42.00	42.26	41.86	41.94
6515	NASDAQ	AVT	Wed, Apr 11, 2018	41.44	42.09	41.36	41.94
6514	NASDAQ	AVT	Tue, Apr 10, 2018	41.47	41.88	41.24	41.50
6513	NASDAQ	AVT	Mon, Apr 9, 2018	40.64	41.37	40.61	40.81
6512	NASDAQ	AVT	Fri, Apr 6, 2018	41.29	41.61	39.92	40.34
6511	NASDAQ	AVT	Thu, Apr 5, 2018	41.77	42.02	41.61	41.66
6510	NASDAQ	AVT	Wed, Apr 4, 2018	40.28	41.58	40.07	41.42
6509	NASDAQ	AVT	Tue, Apr 3, 2018	40.55	41.43	40.38	41.07
6508	NASDAQ	AVT	Mon, Apr 2, 2018	41.47	41.92	39.72	40.21
6507	NASDAQ	AVT	Thu, Mar 29, 2018	41.56	42.02	41.40	41.76
6506	NASDAQ	AVT	Wed, Mar 28, 2018	41.30	41.54	40.84	41.26
6505	NASDAQ	AVT	Tue, Mar 27, 2018	41.94	42.28	40.98	41.22
6504	NASDAQ	AVT	Mon, Mar 26, 2018	41.67	41.95	41.05	41.91
6503	NASDAQ	AVT	Fri, Mar 23, 2018	42.52	42.64	41.01	41.07
6502	NASDAQ	AVT	Thu, Mar 22, 2018	43.20	43.65	42.52	42.53
6501	NASDAQ	AVT	Wed, Mar 21, 2018	43.60	44.22	43.46	43.70
6500	NASDAQ	AVT	Tue, Mar 20, 2018	43.64	43.85	43.40	43.60
6499	NASDAQ	AVT	Mon, Mar 19, 2018	44.56	44.56	43.34	43.59
6498	NASDAQ	AVT	Fri, Mar 16, 2018	44.25	44.85	44.25	44.71
6497	NASDAQ	AVT	Thu, Mar 15, 2018	43.94	44.75	43.86	44.14
6496	NASDAQ	AVT	Wed, Mar 14, 2018	44.40	44.42	43.74	43.92
6495	NASDAQ	AVT	Tue, Mar 13, 2018	44.57	44.82	44.17	44.21
6494	NASDAQ	AVT	Mon, Mar 12, 2018	43.85	44.51	43.62	44.40
6493	NASDAQ	AVT	Fri, Mar 9, 2018	43.62	44.28	43.26	43.83
6492	NASDAQ	AVT	Thu, Mar 8, 2018	43.77	43.82	43.00	43.40
6491	NASDAQ	AVT	Wed, Mar 7, 2018	43.42	43.99	43.33	43.79
6490	NASDAQ	AVT	Tue, Mar 6, 2018	43.52	43.98	43.31	43.79
6489	NASDAQ	AVT	Mon, Mar 5, 2018	42.77	43.42	42.68	43.39
6488	NASDAQ	AVT	Fri, Mar 2, 2018	42.05	43.18	41.78	43.13
6487	NASDAQ	AVT	Thu, Mar 1, 2018	42.74	43.15	42.18	42.44
6486	NASDAQ	AVT	Wed, Feb 28, 2018	43.00	43.31	42.69	42.70
6485	NASDAQ	AVT	Tue, Feb 27, 2018	43.12	43.60	42.89	42.92
6484	NASDAQ	AVT	Mon, Feb 26, 2018	42.65	43.14	42.29	43.11
6483	NASDAQ	AVT	Fri, Feb 23, 2018	42.16	42.63	42.03	42.62
6482	NASDAQ	AVT	Thu, Feb 22, 2018	42.09	42.47	41.81	41.84
6481	NASDAQ	AVT	Wed, Feb 21, 2018	42.39	42.62	41.99	42.01
6480	NASDAQ	AVT	Tue, Feb 20, 2018	41.94	42.59	41.70	42.23
6479	NASDAQ	AVT	Fri, Feb 16, 2018	42.00	42.42	41.83	42.26
6478	NASDAQ	AVT	Thu, Feb 15, 2018	42.08	42.48	41.54	42.38
6477	NASDAQ	AVT	Wed, Feb 14, 2018	40.76	41.93	40.47	41.90
6476	NASDAQ	AVT	Tue, Feb 13, 2018	39.95	40.92	39.81	40.80
6475	NASDAQ	AVT	Mon, Feb 12, 2018	39.97	40.64	39.69	40.30
6474	NASDAQ	AVT	Fri, Feb 9, 2018	40.12	40.47	38.55	39.72
6473	NASDAQ	AVT	Thu, Feb 8, 2018	41.13	41.33	39.62	39.62
6472	NASDAQ	AVT	Wed, Feb 7, 2018	40.41	41.39	40.14	41.18
6471	NASDAQ	AVT	Tue, Feb 6, 2018	39.42	40.69	38.63	40.43
6470	NASDAQ	AVT	Mon, Feb 5, 2018	41.15	41.39	40.12	40.12
6469	NASDAQ	AVT	Fri, Feb 2, 2018	42.08	42.08	41.33	41.48
6468	NASDAQ	AVT	Thu, Feb 1, 2018	42.26	42.77	41.81	42.44
6467	NASDAQ	AVT	Wed, Jan 31, 2018	43.09	43.13	42.42	42.50
6466	NASDAQ	AVT	Tue, Jan 30, 2018	42.92	43.30	42.64	42.86
6465	NASDAQ	AVT	Mon, Jan 29, 2018	43.60	43.87	43.32	43.47
6464	NASDAQ	AVT	Fri, Jan 26, 2018	43.31	43.88	42.43	43.69
6463	NASDAQ	AVT	Thu, Jan 25, 2018	43.31	44.34	42.65	42.99
6462	NASDAQ	AVT	Wed, Jan 24, 2018	42.83	43.01	42.44	42.79
6461	NASDAQ	AVT	Tue, Jan 23, 2018	42.91	43.09	42.39	42.64
6460	NASDAQ	AVT	Mon, Jan 22, 2018	43.24	43.24	42.25	42.91
6459	NASDAQ	AVT	Fri, Jan 19, 2018	42.24	43.74	41.88	43.28
6458	NASDAQ	AVT	Thu, Jan 18, 2018	41.56	41.70	41.27	41.32
6457	NASDAQ	AVT	Wed, Jan 17, 2018	41.58	41.86	41.38	41.65
6456	NASDAQ	AVT	Tue, Jan 16, 2018	41.91	42.01	41.35	41.41
6455	NASDAQ	AVT	Fri, Jan 12, 2018	42.00	42.07	41.62	41.75
6454	NASDAQ	AVT	Thu, Jan 11, 2018	41.41	41.78	41.26	41.78
6453	NASDAQ	AVT	Wed, Jan 10, 2018	41.86	42.00	41.21	41.30
6452	NASDAQ	AVT	Tue, Jan 9, 2018	41.95	42.36	41.89	41.96
6451	NASDAQ	AVT	Mon, Jan 8, 2018	41.71	41.88	41.42	41.78
6450	NASDAQ	AVT	Fri, Jan 5, 2018	41.54	42.29	41.50	41.80
6449	NASDAQ	AVT	Thu, Jan 4, 2018	40.56	41.64	40.40	41.03
6448	NASDAQ	AVT	Wed, Jan 3, 2018	39.89	40.54	39.89	40.48
6447	NASDAQ	AVT	Tue, Jan 2, 2018	39.97	40.13	39.64	39.99
6446	NASDAQ	AVT	Fri, Dec 29, 2017	39.93	39.96	39.55	39.62
6445	NASDAQ	AVT	Thu, Dec 28, 2017	39.64	39.80	39.52	39.76
6444	NASDAQ	AVT	Wed, Dec 27, 2017	39.39	39.70	39.39	39.51
6443	NASDAQ	AVT	Tue, Dec 26, 2017	39.50	39.72	39.28	39.47
6442	NASDAQ	AVT	Fri, Dec 22, 2017	39.95	39.96	39.52	39.60
6441	NASDAQ	AVT	Thu, Dec 21, 2017	39.87	40.00	39.77	39.86
6440	NASDAQ	AVT	Wed, Dec 20, 2017	39.82	40.03	39.65	39.88
6439	NASDAQ	AVT	Tue, Dec 19, 2017	40.09	40.19	39.71	39.86
6438	NASDAQ	AVT	Mon, Dec 18, 2017	39.31	40.19	39.27	40.15
6437	NASDAQ	AVT	Fri, Dec 15, 2017	38.77	39.33	38.69	39.06
6436	NASDAQ	AVT	Thu, Dec 14, 2017	39.54	39.64	38.61	38.67
6435	NASDAQ	AVT	Wed, Dec 13, 2017	40.04	40.34	39.46	39.58
6434	NASDAQ	AVT	Tue, Dec 12, 2017	39.39	39.69	39.17	39.63
6433	NASDAQ	AVT	Mon, Dec 11, 2017	39.20	39.53	38.99	39.53
6432	NASDAQ	AVT	Fri, Dec 8, 2017	39.41	39.49	38.86	39.14
6431	NASDAQ	AVT	Thu, Dec 7, 2017	39.77	40.01	39.09	39.13
6430	NASDAQ	AVT	Wed, Dec 6, 2017	40.16	40.23	39.78	39.81
6429	NASDAQ	AVT	Tue, Dec 5, 2017	40.73	40.73	40.27	40.34
6428	NASDAQ	AVT	Mon, Dec 4, 2017	41.96	42.09	40.68	40.62
6427	NASDAQ	AVT	Fri, Dec 1, 2017	41.49	41.58	40.71	41.53
6426	NASDAQ	AVT	Thu, Nov 30, 2017	41.38	41.79	41.29	41.41
6425	NASDAQ	AVT	Wed, Nov 29, 2017	41.36	41.91	41.08	41.24
6424	NASDAQ	AVT	Tue, Nov 28, 2017	40.77	41.46	40.47	41.36
6423	NASDAQ	AVT	Mon, Nov 27, 2017	40.15	40.63	40.03	40.52
6422	NASDAQ	AVT	Fri, Nov 24, 2017	40.72	40.87	39.94	40.16
6421	NASDAQ	AVT	Wed, Nov 22, 2017	40.44	40.77	40.36	40.46
6420	NASDAQ	AVT	Tue, Nov 21, 2017	40.34	40.61	40.17	40.40
6419	NASDAQ	AVT	Mon, Nov 20, 2017	39.63	40.10	39.63	40.07
6418	NASDAQ	AVT	Fri, Nov 17, 2017	39.41	39.73	39.35	39.60
6417	NASDAQ	AVT	Thu, Nov 16, 2017	38.97	39.61	38.86	39.46
6416	NASDAQ	AVT	Wed, Nov 15, 2017	38.46	38.87	38.33	38.72
6415	NASDAQ	AVT	Tue, Nov 14, 2017	39.00	39.19	38.52	38.84
6414	NASDAQ	AVT	Mon, Nov 13, 2017	39.33	39.63	39.18	39.21
6413	NASDAQ	AVT	Fri, Nov 10, 2017	39.84	39.87	39.47	39.56
6412	NASDAQ	AVT	Thu, Nov 9, 2017	39.24	39.67	39.16	39.44
6411	NASDAQ	AVT	Wed, Nov 8, 2017	39.40	39.84	39.17	39.62
6410	NASDAQ	AVT	Tue, Nov 7, 2017	39.43	39.70	39.27	39.51
6409	NASDAQ	AVT	Mon, Nov 6, 2017	39.31	39.61	39.07	39.45
6408	NASDAQ	AVT	Fri, Nov 3, 2017	39.41	39.59	39.13	39.21
6407	NASDAQ	AVT	Thu, Nov 2, 2017	39.49	39.56	38.90	39.37
6406	NASDAQ	AVT	Wed, Nov 1, 2017	40.30	40.30	39.36	39.49
6405	NASDAQ	AVT	Tue, Oct 31, 2017	39.96	40.27	39.72	39.80
6404	NASDAQ	AVT	Mon, Oct 30, 2017	39.98	40.07	39.49	39.70
6403	NASDAQ	AVT	Fri, Oct 27, 2017	41.80	41.97	39.98	40.07
6402	NASDAQ	AVT	Thu, Oct 26, 2017	40.43	41.95	40.19	41.72
6401	NASDAQ	AVT	Wed, Oct 25, 2017	40.02	40.15	39.78	40.09
6400	NASDAQ	AVT	Tue, Oct 24, 2017	40.25	40.42	40.03	40.21
6399	NASDAQ	AVT	Mon, Oct 23, 2017	40.71	40.92	39.99	40.08
6398	NASDAQ	AVT	Fri, Oct 20, 2017	40.55	40.90	40.48	40.59
6397	NASDAQ	AVT	Thu, Oct 19, 2017	40.54	40.74	40.36	40.47
6396	NASDAQ	AVT	Wed, Oct 18, 2017	40.77	41.03	40.67	40.85
6395	NASDAQ	AVT	Tue, Oct 17, 2017	40.62	40.87	40.56	40.71
6394	NASDAQ	AVT	Mon, Oct 16, 2017	40.60	40.83	40.52	40.65
6393	NASDAQ	AVT	Fri, Oct 13, 2017	40.92	40.97	40.55	40.64
6392	NASDAQ	AVT	Thu, Oct 12, 2017	40.65	40.83	40.56	40.59
6391	NASDAQ	AVT	Wed, Oct 11, 2017	40.60	40.72	40.49	40.69
6390	NASDAQ	AVT	Tue, Oct 10, 2017	40.56	40.77	40.56	40.65
6389	NASDAQ	AVT	Mon, Oct 9, 2017	40.50	40.60	40.27	40.41
6388	NASDAQ	AVT	Fri, Oct 6, 2017	40.44	40.77	40.38	40.46
6387	NASDAQ	AVT	Thu, Oct 5, 2017	40.47	40.86	40.30	40.65
6386	NASDAQ	AVT	Wed, Oct 4, 2017	40.52	40.81	40.25	40.31
6385	NASDAQ	AVT	Tue, Oct 3, 2017	40.23	40.55	40.13	40.52
6384	NASDAQ	AVT	Mon, Oct 2, 2017	39.37	40.15	39.22	40.11
6383	NASDAQ	AVT	Fri, Sep 29, 2017	39.54	39.69	39.30	39.30
6382	NASDAQ	AVT	Thu, Sep 28, 2017	39.56	39.66	39.29	39.53
6381	NASDAQ	AVT	Wed, Sep 27, 2017	39.69	39.90	39.27	39.60
6380	NASDAQ	AVT	Tue, Sep 26, 2017	39.50	39.85	39.42	39.62
6379	NASDAQ	AVT	Mon, Sep 25, 2017	38.74	39.56	38.68	39.47
6378	NASDAQ	AVT	Fri, Sep 22, 2017	38.60	38.95	38.40	38.87
6377	NASDAQ	AVT	Thu, Sep 21, 2017	38.80	38.82	38.56	38.65
6376	NASDAQ	AVT	Wed, Sep 20, 2017	38.84	39.04	38.75	38.79
6375	NASDAQ	AVT	Tue, Sep 19, 2017	38.96	39.11	38.79	38.79
6374	NASDAQ	AVT	Mon, Sep 18, 2017	38.99	39.00	38.78	38.88
6373	NASDAQ	AVT	Fri, Sep 15, 2017	38.40	38.80	38.37	38.76
6372	NASDAQ	AVT	Thu, Sep 14, 2017	38.13	38.40	37.48	38.37
6371	NASDAQ	AVT	Wed, Sep 13, 2017	37.94	38.49	37.75	38.31
6370	NASDAQ	AVT	Tue, Sep 12, 2017	37.65	38.24	37.65	38.07
6369	NASDAQ	AVT	Mon, Sep 11, 2017	37.17	37.68	37.09	37.58
6368	NASDAQ	AVT	Fri, Sep 8, 2017	36.69	36.97	36.58	36.85
6367	NASDAQ	AVT	Thu, Sep 7, 2017	36.94	36.97	36.46	36.79
6366	NASDAQ	AVT	Wed, Sep 6, 2017	37.30	37.35	36.77	36.84
6365	NASDAQ	AVT	Tue, Sep 5, 2017	37.83	37.92	37.07	37.20
6364	NASDAQ	AVT	Fri, Sep 1, 2017	37.98	38.14	37.69	37.90
6363	NASDAQ	AVT	Thu, Aug 31, 2017	38.31	38.61	38.11	38.39
6362	NASDAQ	AVT	Wed, Aug 30, 2017	37.59	38.06	37.45	37.97
6361	NASDAQ	AVT	Tue, Aug 29, 2017	37.11	37.73	37.10	37.55
6360	NASDAQ	AVT	Mon, Aug 28, 2017	37.43	37.74	37.36	37.44
6359	NASDAQ	AVT	Fri, Aug 25, 2017	37.16	37.77	37.02	37.39
6358	NASDAQ	AVT	Thu, Aug 24, 2017	36.80	37.06	36.38	36.95
6357	NASDAQ	AVT	Wed, Aug 23, 2017	36.08	36.83	36.08	36.66
6356	NASDAQ	AVT	Tue, Aug 22, 2017	36.21	36.55	36.09	36.36
6355	NASDAQ	AVT	Mon, Aug 21, 2017	35.87	36.02	35.67	35.93
6354	NASDAQ	AVT	Fri, Aug 18, 2017	36.60	36.62	35.95	35.95
6353	NASDAQ	AVT	Thu, Aug 17, 2017	37.45	37.66	36.79	36.81
6352	NASDAQ	AVT	Wed, Aug 16, 2017	37.37	37.77	37.37	37.54
6351	NASDAQ	AVT	Tue, Aug 15, 2017	37.55	37.62	37.24	37.35
6350	NASDAQ	AVT	Mon, Aug 14, 2017	37.35	37.61	37.31	37.47
6349	NASDAQ	AVT	Fri, Aug 11, 2017	36.46	37.17	36.23	36.99
6348	NASDAQ	AVT	Thu, Aug 10, 2017	37.56	37.72	36.80	36.80
6347	NASDAQ	AVT	Wed, Aug 9, 2017	38.44	38.46	37.62	37.91
6346	NASDAQ	AVT	Tue, Aug 8, 2017	37.95	38.77	37.95	38.31
6345	NASDAQ	AVT	Mon, Aug 7, 2017	38.29	38.29	37.90	38.06
6344	NASDAQ	AVT	Fri, Aug 4, 2017	38.43	38.47	38.11	38.20
6343	NASDAQ	AVT	Thu, Aug 3, 2017	38.57	38.71	38.19	38.27
6342	NASDAQ	AVT	Wed, Aug 2, 2017	38.71	38.82	38.34	38.48
6341	NASDAQ	AVT	Tue, Aug 1, 2017	38.62	38.78	38.30	38.69
6340	NASDAQ	AVT	Mon, Jul 31, 2017	38.27	38.52	38.04	38.38
6339	NASDAQ	AVT	Fri, Jul 28, 2017	38.69	38.69	37.95	38.14
6338	NASDAQ	AVT	Thu, Jul 27, 2017	39.21	39.22	38.49	38.73
6337	NASDAQ	AVT	Wed, Jul 26, 2017	39.42	39.56	38.94	39.13
6336	NASDAQ	AVT	Tue, Jul 25, 2017	39.30	39.62	38.82	39.34
6335	NASDAQ	AVT	Mon, Jul 24, 2017	39.27	39.44	38.89	39.01
6334	NASDAQ	AVT	Fri, Jul 21, 2017	39.53	39.66	38.85	39.25
6333	NASDAQ	AVT	Thu, Jul 20, 2017	39.89	39.96	39.50	39.62
6332	NASDAQ	AVT	Wed, Jul 19, 2017	39.50	40.10	39.49	39.79
6331	NASDAQ	AVT	Tue, Jul 18, 2017	39.90	39.90	38.69	39.31
6330	NASDAQ	AVT	Mon, Jul 17, 2017	39.68	40.19	39.53	39.93
6329	NASDAQ	AVT	Fri, Jul 14, 2017	38.99	39.65	38.43	39.63
6328	NASDAQ	AVT	Thu, Jul 13, 2017	39.72	40.00	39.45	39.79
6327	NASDAQ	AVT	Wed, Jul 12, 2017	39.24	39.72	39.16	39.60
6326	NASDAQ	AVT	Tue, Jul 11, 2017	38.88	39.11	38.58	38.93
6325	NASDAQ	AVT	Mon, Jul 10, 2017	39.02	39.13	38.54	38.74
6324	NASDAQ	AVT	Fri, Jul 7, 2017	38.33	39.10	38.21	38.99
6323	NASDAQ	AVT	Thu, Jul 6, 2017	38.58	38.69	38.15	38.20
6322	NASDAQ	AVT	Wed, Jul 5, 2017	39.42	39.42	38.82	38.82
6321	NASDAQ	AVT	Mon, Jul 3, 2017	39.22	39.55	39.15	39.35
6320	NASDAQ	AVT	Fri, Jun 30, 2017	39.00	39.29	38.87	38.88
6319	NASDAQ	AVT	Thu, Jun 29, 2017	39.43	39.43	38.73	38.98
6318	NASDAQ	AVT	Wed, Jun 28, 2017	38.73	39.47	38.73	39.20
6317	NASDAQ	AVT	Tue, Jun 27, 2017	38.92	38.97	38.56	38.63
6316	NASDAQ	AVT	Mon, Jun 26, 2017	38.76	39.10	38.61	38.94
6315	NASDAQ	AVT	Fri, Jun 23, 2017	38.58	39.03	38.46	38.69
6314	NASDAQ	AVT	Thu, Jun 22, 2017	38.16	38.67	38.07	38.57
6313	NASDAQ	AVT	Wed, Jun 21, 2017	38.92	38.92	38.06	38.10
6312	NASDAQ	AVT	Tue, Jun 20, 2017	38.72	39.16	38.72	38.81
6311	NASDAQ	AVT	Mon, Jun 19, 2017	38.85	39.05	38.55	39.00
6310	NASDAQ	AVT	Fri, Jun 16, 2017	38.17	38.60	38.08	38.59
6309	NASDAQ	AVT	Thu, Jun 15, 2017	37.86	38.37	37.85	38.27
6308	NASDAQ	AVT	Wed, Jun 14, 2017	38.47	38.54	37.99	38.35
6307	NASDAQ	AVT	Tue, Jun 13, 2017	38.24	38.58	38.10	38.42
6306	NASDAQ	AVT	Mon, Jun 12, 2017	38.48	38.91	37.71	38.12
6305	NASDAQ	AVT	Fri, Jun 9, 2017	38.72	39.16	38.43	38.64
6304	NASDAQ	AVT	Thu, Jun 8, 2017	38.08	38.67	37.80	38.64
6303	NASDAQ	AVT	Wed, Jun 7, 2017	38.00	38.31	37.77	38.10
6302	NASDAQ	AVT	Tue, Jun 6, 2017	37.31	37.88	37.15	37.83
6301	NASDAQ	AVT	Mon, Jun 5, 2017	37.25	37.88	37.23	37.44
6300	NASDAQ	AVT	Fri, Jun 2, 2017	37.16	37.42	36.93	37.00
6299	NASDAQ	AVT	Thu, Jun 1, 2017	36.85	37.41	36.66	37.09
6298	NASDAQ	AVT	Wed, May 31, 2017	36.71	36.90	36.07	36.68
6297	NASDAQ	AVT	Tue, May 30, 2017	36.57	36.88	36.53	36.63
6296	NASDAQ	AVT	Fri, May 26, 2017	36.85	36.85	36.43	36.69
6295	NASDAQ	AVT	Thu, May 25, 2017	36.96	37.10	36.77	36.86
6294	NASDAQ	AVT	Wed, May 24, 2017	36.59	36.90	36.46	36.70
6293	NASDAQ	AVT	Tue, May 23, 2017	37.08	37.22	36.39	36.51
6292	NASDAQ	AVT	Mon, May 22, 2017	37.18	37.38	36.88	36.98
6291	NASDAQ	AVT	Fri, May 19, 2017	36.19	37.38	36.16	37.09
6290	NASDAQ	AVT	Thu, May 18, 2017	36.52	36.60	35.96	35.96
6289	NASDAQ	AVT	Wed, May 17, 2017	36.91	37.19	36.53	36.60
6288	NASDAQ	AVT	Tue, May 16, 2017	37.71	37.75	37.28	37.41
6287	NASDAQ	AVT	Mon, May 15, 2017	37.53	37.68	37.33	37.53
6286	NASDAQ	AVT	Fri, May 12, 2017	37.65	37.78	37.21	37.31
6285	NASDAQ	AVT	Thu, May 11, 2017	37.45	37.87	37.41	37.61
6284	NASDAQ	AVT	Wed, May 10, 2017	37.46	37.70	37.29	37.56
6283	NASDAQ	AVT	Tue, May 9, 2017	38.03	38.06	37.38	37.45
6282	NASDAQ	AVT	Mon, May 8, 2017	37.25	38.16	37.20	37.94
6281	NASDAQ	AVT	Fri, May 5, 2017	36.95	37.38	36.61	37.28
6280	NASDAQ	AVT	Thu, May 4, 2017	37.11	37.50	36.72	36.80
6279	NASDAQ	AVT	Wed, May 3, 2017	37.25	37.48	36.73	37.06
6278	NASDAQ	AVT	Tue, May 2, 2017	38.15	38.27	37.20	37.48
6277	NASDAQ	AVT	Mon, May 1, 2017	38.78	38.80	38.03	38.17
6276	NASDAQ	AVT	Fri, Apr 28, 2017	39.62	39.90	38.62	38.69
6275	NASDAQ	AVT	Thu, Apr 27, 2017	42.30	42.58	39.26	40.86
6274	NASDAQ	AVT	Wed, Apr 26, 2017	44.75	45.07	44.49	44.58
6273	NASDAQ	AVT	Tue, Apr 25, 2017	44.73	45.09	44.66	44.85
6272	NASDAQ	AVT	Mon, Apr 24, 2017	44.79	44.86	44.12	44.52
6271	NASDAQ	AVT	Fri, Apr 21, 2017	44.55	44.60	44.16	44.21
6270	NASDAQ	AVT	Thu, Apr 20, 2017	44.32	44.76	44.11	44.64
6269	NASDAQ	AVT	Wed, Apr 19, 2017	44.38	44.70	43.98	44.14
6268	NASDAQ	AVT	Tue, Apr 18, 2017	43.68	44.27	43.68	44.14
6267	NASDAQ	AVT	Mon, Apr 17, 2017	43.77	43.97	43.64	43.89
6266	NASDAQ	AVT	Thu, Apr 13, 2017	43.86	44.19	43.53	43.60
6265	NASDAQ	AVT	Wed, Apr 12, 2017	44.66	44.77	43.89	43.94
6264	NASDAQ	AVT	Tue, Apr 11, 2017	44.49	44.70	44.02	44.64
6263	NASDAQ	AVT	Mon, Apr 10, 2017	44.61	45.08	44.48	44.58
6262	NASDAQ	AVT	Fri, Apr 7, 2017	44.57	44.90	44.52	44.60
6261	NASDAQ	AVT	Thu, Apr 6, 2017	44.68	45.02	44.39	44.80
6260	NASDAQ	AVT	Wed, Apr 5, 2017	45.32	45.32	44.47	44.56
6259	NASDAQ	AVT	Tue, Apr 4, 2017	44.76	45.22	44.76	44.93
6258	NASDAQ	AVT	Mon, Apr 3, 2017	45.91	45.99	44.64	44.96
6257	NASDAQ	AVT	Fri, Mar 31, 2017	45.47	45.95	45.08	45.76
6256	NASDAQ	AVT	Thu, Mar 30, 2017	45.05	45.76	45.05	45.61
6255	NASDAQ	AVT	Wed, Mar 29, 2017	44.63	45.25	44.53	45.09
6254	NASDAQ	AVT	Tue, Mar 28, 2017	43.98	44.98	43.93	44.71
6253	NASDAQ	AVT	Mon, Mar 27, 2017	43.66	44.30	43.66	44.19
6252	NASDAQ	AVT	Fri, Mar 24, 2017	44.51	44.85	44.08	44.40
6251	NASDAQ	AVT	Thu, Mar 23, 2017	44.02	44.44	43.89	44.35
6250	NASDAQ	AVT	Wed, Mar 22, 2017	43.92	44.26	43.75	44.01
6249	NASDAQ	AVT	Tue, Mar 21, 2017	45.47	45.66	43.93	44.04
6248	NASDAQ	AVT	Mon, Mar 20, 2017	46.02	46.08	45.49	45.50
6247	NASDAQ	AVT	Fri, Mar 17, 2017	46.27	46.38	45.90	46.05
6246	NASDAQ	AVT	Thu, Mar 16, 2017	46.26	46.61	46.15	46.22
6245	NASDAQ	AVT	Wed, Mar 15, 2017	45.79	46.14	45.58	45.98
6244	NASDAQ	AVT	Tue, Mar 14, 2017	45.33	45.76	45.20	45.58
6243	NASDAQ	AVT	Mon, Mar 13, 2017	45.46	45.68	45.17	45.53
6242	NASDAQ	AVT	Fri, Mar 10, 2017	45.07	45.46	45.07	45.36
6241	NASDAQ	AVT	Thu, Mar 9, 2017	45.33	45.53	45.03	45.01
6240	NASDAQ	AVT	Wed, Mar 8, 2017	45.79	45.97	45.35	45.39
6239	NASDAQ	AVT	Tue, Mar 7, 2017	45.83	46.07	45.64	45.66
6238	NASDAQ	AVT	Mon, Mar 6, 2017	46.10	46.29	45.93	46.03
6237	NASDAQ	AVT	Fri, Mar 3, 2017	46.50	46.63	46.19	46.37
6236	NASDAQ	AVT	Thu, Mar 2, 2017	46.80	47.09	46.46	46.49
6235	NASDAQ	AVT	Wed, Mar 1, 2017	45.85	47.03	45.58	46.99
6234	NASDAQ	AVT	Tue, Feb 28, 2017	46.09	46.43	45.76	46.08
6233	NASDAQ	AVT	Mon, Feb 27, 2017	46.36	46.86	46.13	46.24
6232	NASDAQ	AVT	Fri, Feb 24, 2017	45.73	46.41	45.50	46.41
6231	NASDAQ	AVT	Thu, Feb 23, 2017	46.66	46.86	46.21	46.30
6230	NASDAQ	AVT	Wed, Feb 22, 2017	46.50	46.77	46.17	46.52
6229	NASDAQ	AVT	Tue, Feb 21, 2017	46.47	46.89	46.22	46.76
6228	NASDAQ	AVT	Fri, Feb 17, 2017	46.09	46.41	45.55	46.41
6227	NASDAQ	AVT	Thu, Feb 16, 2017	46.33	46.39	45.94	46.29
6226	NASDAQ	AVT	Wed, Feb 15, 2017	46.23	46.51	45.65	46.25
6225	NASDAQ	AVT	Tue, Feb 14, 2017	46.54	46.74	46.21	46.66
6224	NASDAQ	AVT	Mon, Feb 13, 2017	46.71	46.98	46.47	46.74
6223	NASDAQ	AVT	Fri, Feb 10, 2017	46.83	46.87	46.26	46.66
6222	NASDAQ	AVT	Thu, Feb 9, 2017	46.80	47.19	46.63	46.70
6221	NASDAQ	AVT	Wed, Feb 8, 2017	46.42	46.89	46.13	46.64
6220	NASDAQ	AVT	Tue, Feb 7, 2017	46.76	46.80	46.12	46.49
6219	NASDAQ	AVT	Mon, Feb 6, 2017	46.88	47.05	46.58	46.73
6218	NASDAQ	AVT	Fri, Feb 3, 2017	46.79	47.10	46.67	47.08
6217	NASDAQ	AVT	Thu, Feb 2, 2017	46.27	46.60	45.98	46.44
6216	NASDAQ	AVT	Wed, Feb 1, 2017	46.77	46.95	46.00	46.33
6215	NASDAQ	AVT	Tue, Jan 31, 2017	46.46	46.64	45.77	46.44
6214	NASDAQ	AVT	Mon, Jan 30, 2017	45.79	46.47	45.57	46.47
6213	NASDAQ	AVT	Fri, Jan 27, 2017	46.44	47.23	46.44	46.88
6212	NASDAQ	AVT	Thu, Jan 26, 2017	48.00	48.20	45.92	46.33
6211	NASDAQ	AVT	Wed, Jan 25, 2017	47.52	47.87	47.37	47.61
6210	NASDAQ	AVT	Tue, Jan 24, 2017	46.93	47.50	46.73	47.26
6209	NASDAQ	AVT	Mon, Jan 23, 2017	47.01	47.14	46.08	46.60
6208	NASDAQ	AVT	Fri, Jan 20, 2017	47.09	47.54	47.06	47.20
6207	NASDAQ	AVT	Thu, Jan 19, 2017	47.18	47.45	46.81	46.97
6206	NASDAQ	AVT	Wed, Jan 18, 2017	46.80	47.24	46.44	47.09
6205	NASDAQ	AVT	Tue, Jan 17, 2017	46.99	47.16	46.40	46.52
6204	NASDAQ	AVT	Fri, Jan 13, 2017	46.87	47.43	46.85	47.18
6203	NASDAQ	AVT	Thu, Jan 12, 2017	46.90	46.97	46.12	46.79
6202	NASDAQ	AVT	Wed, Jan 11, 2017	47.10	47.14	46.66	46.95
6201	NASDAQ	AVT	Tue, Jan 10, 2017	46.86	47.47	46.84	46.97
6200	NASDAQ	AVT	Mon, Jan 9, 2017	47.37	47.51	46.81	46.84
6199	NASDAQ	AVT	Fri, Jan 6, 2017	47.26	47.66	46.65	47.58
6198	NASDAQ	AVT	Thu, Jan 5, 2017	47.30	47.69	46.75	47.13
6197	NASDAQ	AVT	Wed, Jan 4, 2017	46.92	47.60	46.90	47.32
6196	NASDAQ	AVT	Tue, Jan 3, 2017	48.00	48.13	46.93	47.23
6195	NASDAQ	AVT	Fri, Dec 30, 2016	48.19	48.19	47.48	47.61
6194	NASDAQ	AVT	Thu, Dec 29, 2016	47.91	48.34	47.69	47.98
6193	NASDAQ	AVT	Wed, Dec 28, 2016	48.57	48.66	47.79	47.85
6192	NASDAQ	AVT	Tue, Dec 27, 2016	48.09	48.50	47.98	48.38
6191	NASDAQ	AVT	Fri, Dec 23, 2016	48.15	48.31	47.90	48.07
6190	NASDAQ	AVT	Thu, Dec 22, 2016	48.85	48.94	47.82	48.14
6189	NASDAQ	AVT	Wed, Dec 21, 2016	48.78	49.19	48.47	48.84
6188	NASDAQ	AVT	Tue, Dec 20, 2016	48.49	49.01	48.23	48.69
6187	NASDAQ	AVT	Mon, Dec 19, 2016	47.97	48.49	47.56	48.37
6186	NASDAQ	AVT	Fri, Dec 16, 2016	48.20	48.72	47.90	48.01
6185	NASDAQ	AVT	Thu, Dec 15, 2016	47.75	48.57	47.35	48.02
6184	NASDAQ	AVT	Wed, Dec 14, 2016	48.46	48.71	47.37	47.70
6183	NASDAQ	AVT	Tue, Dec 13, 2016	49.89	51.50	48.19	48.70
6182	NASDAQ	AVT	Mon, Dec 12, 2016	47.70	48.04	47.22	47.56
6181	NASDAQ	AVT	Fri, Dec 9, 2016	48.16	48.37	47.83	47.97
6180	NASDAQ	AVT	Thu, Dec 8, 2016	47.71	48.43	47.57	48.15
6179	NASDAQ	AVT	Wed, Dec 7, 2016	46.72	47.46	46.70	47.39
6178	NASDAQ	AVT	Tue, Dec 6, 2016	45.80	47.03	45.79	46.69
6177	NASDAQ	AVT	Mon, Dec 5, 2016	45.63	45.94	45.54	45.83
6176	NASDAQ	AVT	Fri, Dec 2, 2016	45.66	45.70	45.23	45.28
6175	NASDAQ	AVT	Thu, Dec 1, 2016	46.01	46.31	45.52	45.52
6174	NASDAQ	AVT	Wed, Nov 30, 2016	46.47	46.47	45.89	45.89
6173	NASDAQ	AVT	Tue, Nov 29, 2016	45.99	46.46	45.94	46.09
6172	NASDAQ	AVT	Mon, Nov 28, 2016	46.10	46.55	46.07	46.09
6171	NASDAQ	AVT	Fri, Nov 25, 2016	46.19	46.58	45.99	46.55
6170	NASDAQ	AVT	Wed, Nov 23, 2016	46.01	46.35	45.90	46.19
6169	NASDAQ	AVT	Tue, Nov 22, 2016	45.68	46.26	45.44	46.16
6168	NASDAQ	AVT	Mon, Nov 21, 2016	45.39	45.55	44.95	45.39
6167	NASDAQ	AVT	Fri, Nov 18, 2016	45.00	45.31	44.68	45.14
6166	NASDAQ	AVT	Thu, Nov 17, 2016	44.99	45.34	44.80	45.08
6165	NASDAQ	AVT	Wed, Nov 16, 2016	44.66	45.04	44.31	44.93
6164	NASDAQ	AVT	Tue, Nov 15, 2016	44.39	45.08	44.10	44.77
6163	NASDAQ	AVT	Mon, Nov 14, 2016	43.87	44.46	43.50	44.31
6162	NASDAQ	AVT	Fri, Nov 11, 2016	43.31	43.78	43.09	43.76
6161	NASDAQ	AVT	Thu, Nov 10, 2016	43.69	44.00	43.17	43.52
6160	NASDAQ	AVT	Wed, Nov 9, 2016	42.11	43.51	41.73	43.31
6159	NASDAQ	AVT	Tue, Nov 8, 2016	42.52	42.62	41.98	42.54
6158	NASDAQ	AVT	Mon, Nov 7, 2016	42.29	42.82	42.29	42.77
6157	NASDAQ	AVT	Fri, Nov 4, 2016	41.07	41.77	40.80	41.52
6156	NASDAQ	AVT	Thu, Nov 3, 2016	41.27	41.41	40.97	41.12
6155	NASDAQ	AVT	Wed, Nov 2, 2016	41.57	41.87	41.16	41.26
6154	NASDAQ	AVT	Tue, Nov 1, 2016	42.18	42.42	41.37	41.68
6153	NASDAQ	AVT	Mon, Oct 31, 2016	41.59	42.07	41.43	41.95
6152	NASDAQ	AVT	Fri, Oct 28, 2016	42.10	42.57	41.49	41.58
6151	NASDAQ	AVT	Thu, Oct 27, 2016	42.49	42.83	41.95	42.14
6150	NASDAQ	AVT	Wed, Oct 26, 2016	42.08	42.68	42.08	42.29
6149	NASDAQ	AVT	Tue, Oct 25, 2016	42.61	42.68	42.14	42.41
6148	NASDAQ	AVT	Mon, Oct 24, 2016	42.72	42.72	42.27	42.59
6147	NASDAQ	AVT	Fri, Oct 21, 2016	42.37	42.38	41.94	42.01
6146	NASDAQ	AVT	Thu, Oct 20, 2016	41.90	41.93	41.50	41.82
6145	NASDAQ	AVT	Wed, Oct 19, 2016	42.01	42.22	41.72	42.06
6144	NASDAQ	AVT	Tue, Oct 18, 2016	42.13	42.17	41.50	41.83
6143	NASDAQ	AVT	Mon, Oct 17, 2016	41.35	42.12	41.29	41.56
6142	NASDAQ	AVT	Fri, Oct 14, 2016	41.46	41.73	41.23	41.30
6141	NASDAQ	AVT	Thu, Oct 13, 2016	41.28	41.34	40.76	41.19
6140	NASDAQ	AVT	Wed, Oct 12, 2016	41.90	41.91	41.53	41.76
6139	NASDAQ	AVT	Tue, Oct 11, 2016	42.40	42.40	41.68	41.79
6138	NASDAQ	AVT	Mon, Oct 10, 2016	42.99	43.32	42.51	42.53
6137	NASDAQ	AVT	Fri, Oct 7, 2016	42.59	42.69	42.09	42.59
6136	NASDAQ	AVT	Thu, Oct 6, 2016	42.83	42.96	42.24	42.58
6135	NASDAQ	AVT	Wed, Oct 5, 2016	42.33	43.07	42.04	42.84
6134	NASDAQ	AVT	Tue, Oct 4, 2016	41.97	42.93	41.63	42.13
6133	NASDAQ	AVT	Mon, Oct 3, 2016	40.98	41.24	40.49	40.50
6132	NASDAQ	AVT	Fri, Sep 30, 2016	40.99	41.21	40.75	41.06
6131	NASDAQ	AVT	Thu, Sep 29, 2016	40.88	40.98	40.25	40.59
6130	NASDAQ	AVT	Wed, Sep 28, 2016	40.75	41.03	40.51	40.75
6129	NASDAQ	AVT	Tue, Sep 27, 2016	40.10	40.53	39.98	40.48
6128	NASDAQ	AVT	Mon, Sep 26, 2016	40.29	40.43	39.94	40.10
6127	NASDAQ	AVT	Fri, Sep 23, 2016	41.35	41.37	40.44	40.45
6126	NASDAQ	AVT	Thu, Sep 22, 2016	41.09	41.62	41.04	41.48
6125	NASDAQ	AVT	Wed, Sep 21, 2016	40.60	40.97	40.50	40.89
6124	NASDAQ	AVT	Tue, Sep 20, 2016	40.36	41.08	40.10	40.33
6123	NASDAQ	AVT	Mon, Sep 19, 2016	42.13	42.87	41.54	41.89
6122	NASDAQ	AVT	Fri, Sep 16, 2016	39.60	39.60	39.05	39.21
6121	NASDAQ	AVT	Thu, Sep 15, 2016	39.25	39.82	39.24	39.69
6120	NASDAQ	AVT	Wed, Sep 14, 2016	39.44	39.51	39.07	39.20
6119	NASDAQ	AVT	Tue, Sep 13, 2016	40.00	40.24	39.39	39.48
6118	NASDAQ	AVT	Mon, Sep 12, 2016	39.63	40.43	39.56	40.33
6117	NASDAQ	AVT	Fri, Sep 9, 2016	40.98	41.28	40.05	40.05
6116	NASDAQ	AVT	Thu, Sep 8, 2016	41.55	41.58	41.25	41.37
6115	NASDAQ	AVT	Wed, Sep 7, 2016	41.38	41.64	41.25	41.63
6114	NASDAQ	AVT	Tue, Sep 6, 2016	41.74	41.90	41.36	41.47
6113	NASDAQ	AVT	Fri, Sep 2, 2016	41.71	41.86	41.40	41.82
6112	NASDAQ	AVT	Thu, Sep 1, 2016	41.73	41.93	41.34	41.54
6111	NASDAQ	AVT	Wed, Aug 31, 2016	41.89	42.04	41.42	41.68
6110	NASDAQ	AVT	Tue, Aug 30, 2016	41.86	42.33	41.83	42.06
6109	NASDAQ	AVT	Mon, Aug 29, 2016	41.55	42.09	41.55	41.95
6108	NASDAQ	AVT	Fri, Aug 26, 2016	41.85	42.09	41.32	41.56
6107	NASDAQ	AVT	Thu, Aug 25, 2016	41.46	41.87	41.31	41.76
6106	NASDAQ	AVT	Wed, Aug 24, 2016	41.44	41.67	41.23	41.65
6105	NASDAQ	AVT	Tue, Aug 23, 2016	41.77	41.98	41.50	41.54
6104	NASDAQ	AVT	Mon, Aug 22, 2016	41.33	41.51	41.02	41.50
6103	NASDAQ	AVT	Fri, Aug 19, 2016	41.13	41.55	41.02	41.50
6102	NASDAQ	AVT	Thu, Aug 18, 2016	41.01	41.41	40.87	41.28
6101	NASDAQ	AVT	Wed, Aug 17, 2016	41.31	41.41	40.91	41.00
6100	NASDAQ	AVT	Tue, Aug 16, 2016	41.75	41.98	41.34	41.37
6099	NASDAQ	AVT	Mon, Aug 15, 2016	41.74	42.22	41.57	41.83
6098	NASDAQ	AVT	Fri, Aug 12, 2016	41.30	41.99	41.30	41.60
6097	NASDAQ	AVT	Thu, Aug 11, 2016	41.04	41.42	40.68	41.30
6096	NASDAQ	AVT	Wed, Aug 10, 2016	40.65	41.73	40.40	40.99
6095	NASDAQ	AVT	Tue, Aug 9, 2016	41.24	41.57	41.08	41.48
6094	NASDAQ	AVT	Mon, Aug 8, 2016	40.77	41.27	40.56	41.24
6093	NASDAQ	AVT	Fri, Aug 5, 2016	40.32	40.69	40.28	40.67
6092	NASDAQ	AVT	Thu, Aug 4, 2016	40.46	40.66	40.01	40.14
6091	NASDAQ	AVT	Wed, Aug 3, 2016	39.96	40.56	39.95	40.51
6090	NASDAQ	AVT	Tue, Aug 2, 2016	40.99	41.06	39.72	39.95
6089	NASDAQ	AVT	Mon, Aug 1, 2016	41.04	41.34	40.90	41.02
6088	NASDAQ	AVT	Fri, Jul 29, 2016	41.09	41.25	40.76	41.10
6087	NASDAQ	AVT	Thu, Jul 28, 2016	40.75	41.20	40.67	41.09
6086	NASDAQ	AVT	Wed, Jul 27, 2016	41.06	41.34	40.76	40.84
6085	NASDAQ	AVT	Tue, Jul 26, 2016	40.56	41.04	40.47	40.96
6084	NASDAQ	AVT	Mon, Jul 25, 2016	40.85	41.05	40.47	40.48
6083	NASDAQ	AVT	Fri, Jul 22, 2016	40.69	40.97	40.37	40.83
6082	NASDAQ	AVT	Thu, Jul 21, 2016	40.84	41.20	40.63	40.77
6081	NASDAQ	AVT	Wed, Jul 20, 2016	40.61	41.19	40.33	40.79
6080	NASDAQ	AVT	Tue, Jul 19, 2016	40.27	40.45	40.13	40.40
6079	NASDAQ	AVT	Mon, Jul 18, 2016	40.35	40.50	40.23	40.35
6078	NASDAQ	AVT	Fri, Jul 15, 2016	40.18	40.47	40.02	40.40
6077	NASDAQ	AVT	Thu, Jul 14, 2016	39.91	40.20	39.57	40.08
6076	NASDAQ	AVT	Wed, Jul 13, 2016	39.93	39.99	39.43	39.61
6075	NASDAQ	AVT	Tue, Jul 12, 2016	39.03	39.88	38.60	39.66
6074	NASDAQ	AVT	Mon, Jul 11, 2016	39.62	41.00	38.40	38.80
6073	NASDAQ	AVT	Fri, Jul 8, 2016	40.39	41.26	40.39	41.25
6072	NASDAQ	AVT	Thu, Jul 7, 2016	39.36	40.06	39.36	39.95
6071	NASDAQ	AVT	Wed, Jul 6, 2016	38.86	39.23	38.16	39.20
6070	NASDAQ	AVT	Tue, Jul 5, 2016	39.91	39.99	39.04	39.23
6069	NASDAQ	AVT	Fri, Jul 1, 2016	40.48	40.79	40.18	40.27
6068	NASDAQ	AVT	Thu, Jun 30, 2016	39.86	40.53	39.63	40.51
6067	NASDAQ	AVT	Wed, Jun 29, 2016	40.11	40.50	39.40	39.73
6066	NASDAQ	AVT	Tue, Jun 28, 2016	39.34	40.22	39.18	39.68
6065	NASDAQ	AVT	Mon, Jun 27, 2016	40.38	40.44	38.83	38.92
6064	NASDAQ	AVT	Fri, Jun 24, 2016	41.49	42.09	40.77	40.89
6063	NASDAQ	AVT	Thu, Jun 23, 2016	43.40	43.44	43.04	43.29
6062	NASDAQ	AVT	Wed, Jun 22, 2016	43.01	43.43	42.86	42.86
6061	NASDAQ	AVT	Tue, Jun 21, 2016	42.85	43.33	42.49	43.05
6060	NASDAQ	AVT	Mon, Jun 20, 2016	42.37	42.98	42.15	42.81
6059	NASDAQ	AVT	Fri, Jun 17, 2016	41.82	41.88	41.44	41.80
6058	NASDAQ	AVT	Thu, Jun 16, 2016	41.63	42.05	41.30	41.98
6057	NASDAQ	AVT	Wed, Jun 15, 2016	42.18	42.42	41.88	41.98
6056	NASDAQ	AVT	Tue, Jun 14, 2016	41.56	42.01	41.42	41.90
6055	NASDAQ	AVT	Mon, Jun 13, 2016	41.95	42.27	41.71	41.73
6054	NASDAQ	AVT	Fri, Jun 10, 2016	42.32	42.53	42.08	42.22
6053	NASDAQ	AVT	Thu, Jun 9, 2016	42.23	42.77	42.08	42.77
6052	NASDAQ	AVT	Wed, Jun 8, 2016	42.42	42.60	42.14	42.48
6051	NASDAQ	AVT	Tue, Jun 7, 2016	41.85	42.37	41.63	42.28
6050	NASDAQ	AVT	Mon, Jun 6, 2016	41.08	41.29	40.83	41.23
6049	NASDAQ	AVT	Fri, Jun 3, 2016	41.33	41.41	40.80	41.07
6048	NASDAQ	AVT	Thu, Jun 2, 2016	41.26	41.59	41.06	41.32
6047	NASDAQ	AVT	Wed, Jun 1, 2016	40.82	41.35	40.48	41.31
6046	NASDAQ	AVT	Tue, May 31, 2016	40.73	41.10	40.68	41.03
6045	NASDAQ	AVT	Fri, May 27, 2016	40.55	40.86	40.24	40.63
6044	NASDAQ	AVT	Thu, May 26, 2016	40.21	40.52	40.16	40.45
6043	NASDAQ	AVT	Wed, May 25, 2016	40.35	40.51	39.96	40.11
6042	NASDAQ	AVT	Tue, May 24, 2016	39.57	40.02	39.32	40.01
6041	NASDAQ	AVT	Mon, May 23, 2016	39.13	39.45	38.97	39.27
6040	NASDAQ	AVT	Fri, May 20, 2016	39.15	39.87	39.12	39.25
6039	NASDAQ	AVT	Thu, May 19, 2016	38.93	39.24	38.65	38.99
6038	NASDAQ	AVT	Wed, May 18, 2016	39.02	39.74	39.02	39.29
6037	NASDAQ	AVT	Tue, May 17, 2016	39.35	39.75	39.09	39.20
6036	NASDAQ	AVT	Mon, May 16, 2016	38.92	39.76	38.92	39.43
6035	NASDAQ	AVT	Fri, May 13, 2016	38.89	39.25	38.74	38.92
6034	NASDAQ	AVT	Thu, May 12, 2016	39.75	39.75	38.35	38.95
6033	NASDAQ	AVT	Wed, May 11, 2016	39.73	40.07	39.47	39.50
6032	NASDAQ	AVT	Tue, May 10, 2016	39.07	39.81	39.00	39.79
6031	NASDAQ	AVT	Mon, May 9, 2016	39.63	39.72	39.01	39.04
6030	NASDAQ	AVT	Fri, May 6, 2016	39.41	39.72	39.10	39.40
6029	NASDAQ	AVT	Thu, May 5, 2016	39.97	40.13	39.43	39.47
6028	NASDAQ	AVT	Wed, May 4, 2016	39.80	40.50	39.75	39.85
6027	NASDAQ	AVT	Tue, May 3, 2016	39.91	40.13	39.62	39.97
6026	NASDAQ	AVT	Mon, May 2, 2016	40.24	40.47	39.52	40.29
6025	NASDAQ	AVT	Fri, Apr 29, 2016	41.40	41.50	40.30	41.12
6024	NASDAQ	AVT	Thu, Apr 28, 2016	44.24	44.44	41.81	41.90
6023	NASDAQ	AVT	Wed, Apr 27, 2016	44.27	44.66	44.11	44.66
6022	NASDAQ	AVT	Tue, Apr 26, 2016	43.87	44.66	43.57	44.39
6021	NASDAQ	AVT	Mon, Apr 25, 2016	43.68	43.80	43.41	43.63
6020	NASDAQ	AVT	Fri, Apr 22, 2016	43.73	44.29	43.61	43.85
6019	NASDAQ	AVT	Thu, Apr 21, 2016	44.27	44.40	43.85	43.92
6018	NASDAQ	AVT	Wed, Apr 20, 2016	44.16	44.51	43.97	44.28
6017	NASDAQ	AVT	Tue, Apr 19, 2016	44.79	44.87	44.01	44.21
6016	NASDAQ	AVT	Mon, Apr 18, 2016	44.59	44.74	44.29	44.55
6015	NASDAQ	AVT	Fri, Apr 15, 2016	44.07	44.73	44.07	44.67
6014	NASDAQ	AVT	Thu, Apr 14, 2016	44.62	44.68	44.04	44.35
6013	NASDAQ	AVT	Wed, Apr 13, 2016	44.15	44.76	43.85	44.75
6012	NASDAQ	AVT	Tue, Apr 12, 2016	43.74	44.12	43.38	43.90
6011	NASDAQ	AVT	Mon, Apr 11, 2016	43.63	44.18	43.16	43.54
6010	NASDAQ	AVT	Fri, Apr 8, 2016	43.76	44.01	43.41	43.48
6009	NASDAQ	AVT	Thu, Apr 7, 2016	43.79	44.00	43.13	43.35
6008	NASDAQ	AVT	Wed, Apr 6, 2016	43.55	44.18	43.43	44.09
6007	NASDAQ	AVT	Tue, Apr 5, 2016	44.07	44.07	44.07	43.59
6006	NASDAQ	AVT	Mon, Apr 4, 2016	44.75	44.77	43.95	44.07
6005	NASDAQ	AVT	Fri, Apr 1, 2016	43.95	44.90	43.63	44.80
6004	NASDAQ	AVT	Thu, Mar 31, 2016	44.24	44.45	44.16	44.30
6003	NASDAQ	AVT	Wed, Mar 30, 2016	44.51	44.59	44.07	44.24
6002	NASDAQ	AVT	Tue, Mar 29, 2016	43.68	44.53	43.45	44.36
6001	NASDAQ	AVT	Mon, Mar 28, 2016	44.22	44.22	43.83	43.92
6000	NASDAQ	AVT	Thu, Mar 24, 2016	44.39	44.39	44.39	44.02
5999	NASDAQ	AVT	Wed, Mar 23, 2016	44.63	44.63	44.26	44.39
5998	NASDAQ	AVT	Tue, Mar 22, 2016	43.96	44.95	43.85	44.73
5997	NASDAQ	AVT	Mon, Mar 21, 2016	43.85	44.09	43.60	44.00
5996	NASDAQ	AVT	Fri, Mar 18, 2016	43.34	44.18	43.26	43.88
5995	NASDAQ	AVT	Thu, Mar 17, 2016	43.10	43.54	42.82	43.34
5994	NASDAQ	AVT	Wed, Mar 16, 2016	42.65	43.32	42.35	43.20
5993	NASDAQ	AVT	Tue, Mar 15, 2016	43.00	43.00	43.00	42.70
5992	NASDAQ	AVT	Mon, Mar 14, 2016	43.18	43.39	42.93	43.00
5991	NASDAQ	AVT	Fri, Mar 11, 2016	42.43	42.43	42.43	43.41
5990	NASDAQ	AVT	Thu, Mar 10, 2016	42.93	43.11	42.03	42.43
5989	NASDAQ	AVT	Wed, Mar 9, 2016	42.49	42.49	42.49	42.75
5988	NASDAQ	AVT	Tue, Mar 8, 2016	42.88	42.90	42.11	42.49
5987	NASDAQ	AVT	Mon, Mar 7, 2016	42.51	43.15	42.51	43.12
5986	NASDAQ	AVT	Fri, Mar 4, 2016	42.53	42.53	42.53	42.81
5985	NASDAQ	AVT	Thu, Mar 3, 2016	41.94	41.94	41.94	42.53
5984	NASDAQ	AVT	Wed, Mar 2, 2016	41.82	42.32	41.70	41.94
5983	NASDAQ	AVT	Tue, Mar 1, 2016	41.15	41.15	41.15	41.80
5982	NASDAQ	AVT	Mon, Feb 29, 2016	41.41	41.77	41.14	41.15
5981	NASDAQ	AVT	Fri, Feb 26, 2016	41.29	41.66	41.12	41.44
5980	NASDAQ	AVT	Thu, Feb 25, 2016	41.23	41.36	40.76	41.28
5979	NASDAQ	AVT	Wed, Feb 24, 2016	40.34	41.25	40.29	41.22
5978	NASDAQ	AVT	Tue, Feb 23, 2016	41.36	41.56	41.05	41.06
5977	NASDAQ	AVT	Mon, Feb 22, 2016	41.75	41.92	41.27	41.64
5976	NASDAQ	AVT	Fri, Feb 19, 2016	41.07	41.28	40.64	41.28
5975	NASDAQ	AVT	Thu, Feb 18, 2016	41.07	42.29	40.81	41.36
5974	NASDAQ	AVT	Wed, Feb 17, 2016	40.16	40.91	39.93	40.77
5973	NASDAQ	AVT	Tue, Feb 16, 2016	39.27	40.09	39.23	40.02
5972	NASDAQ	AVT	Fri, Feb 12, 2016	38.44	39.19	38.28	39.00
5971	NASDAQ	AVT	Thu, Feb 11, 2016	38.60	38.73	38.03	38.22
5970	NASDAQ	AVT	Wed, Feb 10, 2016	39.22	39.84	39.12	39.19
5969	NASDAQ	AVT	Tue, Feb 9, 2016	38.85	39.57	38.66	38.87
5968	NASDAQ	AVT	Mon, Feb 8, 2016	39.50	39.73	38.65	39.37
5967	NASDAQ	AVT	Fri, Feb 5, 2016	40.44	40.80	39.95	40.12
5966	NASDAQ	AVT	Thu, Feb 4, 2016	39.24	40.69	39.19	40.44
5965	NASDAQ	AVT	Wed, Feb 3, 2016	39.59	39.65	38.71	39.51
5964	NASDAQ	AVT	Tue, Feb 2, 2016	39.89	40.04	39.19	39.45
5963	NASDAQ	AVT	Mon, Feb 1, 2016	39.47	40.76	39.38	40.50
5962	NASDAQ	AVT	Fri, Jan 29, 2016	38.81	39.99	38.81	39.92
5961	NASDAQ	AVT	Thu, Jan 28, 2016	37.45	39.25	37.10	38.82
5960	NASDAQ	AVT	Wed, Jan 27, 2016	39.63	39.98	39.15	39.35
5959	NASDAQ	AVT	Tue, Jan 26, 2016	39.24	39.93	39.15	39.86
5958	NASDAQ	AVT	Mon, Jan 25, 2016	39.05	39.20	38.76	38.84
5957	NASDAQ	AVT	Fri, Jan 22, 2016	38.76	39.61	38.64	39.11
5956	NASDAQ	AVT	Thu, Jan 21, 2016	38.08	38.28	37.57	37.78
5955	NASDAQ	AVT	Wed, Jan 20, 2016	37.36	38.27	37.21	38.00
5954	NASDAQ	AVT	Tue, Jan 19, 2016	38.73	38.79	37.79	38.03
5953	NASDAQ	AVT	Fri, Jan 15, 2016	37.77	38.38	37.77	38.33
5952	NASDAQ	AVT	Thu, Jan 14, 2016	38.44	39.22	38.25	38.91
5951	NASDAQ	AVT	Wed, Jan 13, 2016	39.18	39.54	38.29	38.37
5950	NASDAQ	AVT	Tue, Jan 12, 2016	39.49	39.49	38.13	39.08
5949	NASDAQ	AVT	Mon, Jan 11, 2016	38.45	39.24	38.38	39.01
5948	NASDAQ	AVT	Fri, Jan 8, 2016	39.75	39.82	38.23	38.34
5947	NASDAQ	AVT	Thu, Jan 7, 2016	39.70	40.26	39.36	39.51
5946	NASDAQ	AVT	Wed, Jan 6, 2016	41.13	41.51	40.46	40.51
5945	NASDAQ	AVT	Tue, Jan 5, 2016	42.33	42.75	41.84	41.95
5944	NASDAQ	AVT	Mon, Jan 4, 2016	42.10	42.34	41.68	42.32
5943	NASDAQ	AVT	Thu, Dec 31, 2015	43.54	43.64	42.83	42.84
5942	NASDAQ	AVT	Wed, Dec 30, 2015	44.04	44.26	43.75	43.75
5941	NASDAQ	AVT	Tue, Dec 29, 2015	44.12	44.36	43.86	44.06
5940	NASDAQ	AVT	Mon, Dec 28, 2015	44.20	44.24	43.45	43.90
5939	NASDAQ	AVT	Thu, Dec 24, 2015	44.18	44.54	44.00	44.40
5938	NASDAQ	AVT	Wed, Dec 23, 2015	43.93	44.28	43.80	44.20
5937	NASDAQ	AVT	Tue, Dec 22, 2015	43.59	44.20	43.36	43.63
5936	NASDAQ	AVT	Mon, Dec 21, 2015	43.51	43.85	43.10	43.44
5935	NASDAQ	AVT	Fri, Dec 18, 2015	43.67	43.68	43.01	43.11
5934	NASDAQ	AVT	Thu, Dec 17, 2015	44.86	44.88	43.80	43.81
5933	NASDAQ	AVT	Wed, Dec 16, 2015	44.90	45.12	44.28	44.74
5932	NASDAQ	AVT	Tue, Dec 15, 2015	44.10	44.95	44.10	44.60
5931	NASDAQ	AVT	Mon, Dec 14, 2015	44.40	44.41	43.48	43.78
5930	NASDAQ	AVT	Fri, Dec 11, 2015	43.60	44.67	43.59	44.32
5929	NASDAQ	AVT	Thu, Dec 10, 2015	43.97	44.49	43.66	44.12
5928	NASDAQ	AVT	Wed, Dec 9, 2015	44.56	45.05	43.86	44.00
5927	NASDAQ	AVT	Tue, Dec 8, 2015	44.43	44.92	44.25	44.65
5926	NASDAQ	AVT	Mon, Dec 7, 2015	45.59	45.59	44.74	45.04
5925	NASDAQ	AVT	Fri, Dec 4, 2015	44.64	45.62	44.45	45.61
5924	NASDAQ	AVT	Thu, Dec 3, 2015	45.55	45.57	44.37	44.64
5923	NASDAQ	AVT	Wed, Dec 2, 2015	45.76	45.96	45.17	45.21
5922	NASDAQ	AVT	Tue, Dec 1, 2015	45.52	45.85	45.20	45.80
5921	NASDAQ	AVT	Mon, Nov 30, 2015	45.66	45.73	45.18	45.32
5920	NASDAQ	AVT	Fri, Nov 27, 2015	45.11	45.70	44.80	45.52
5919	NASDAQ	AVT	Wed, Nov 25, 2015	45.10	45.56	45.08	45.23
5918	NASDAQ	AVT	Tue, Nov 24, 2015	45.28	45.42	44.82	45.17
5917	NASDAQ	AVT	Mon, Nov 23, 2015	45.48	45.86	45.26	45.63
5916	NASDAQ	AVT	Fri, Nov 20, 2015	46.05	46.16	45.54	45.60
5915	NASDAQ	AVT	Thu, Nov 19, 2015	45.61	46.02	45.35	45.82
5914	NASDAQ	AVT	Wed, Nov 18, 2015	45.09	45.64	44.75	45.60
5913	NASDAQ	AVT	Tue, Nov 17, 2015	45.11	45.28	44.64	44.90
5912	NASDAQ	AVT	Mon, Nov 16, 2015	44.28	45.06	44.28	45.03
5911	NASDAQ	AVT	Fri, Nov 13, 2015	44.52	44.83	44.26	44.42
5910	NASDAQ	AVT	Thu, Nov 12, 2015	45.82	45.82	44.65	44.69
5909	NASDAQ	AVT	Wed, Nov 11, 2015	46.20	46.49	46.00	46.23
5908	NASDAQ	AVT	Tue, Nov 10, 2015	46.08	46.38	45.55	46.07
5907	NASDAQ	AVT	Mon, Nov 9, 2015	46.60	46.86	45.84	46.29
5906	NASDAQ	AVT	Fri, Nov 6, 2015	46.20	46.95	46.09	46.95
5905	NASDAQ	AVT	Thu, Nov 5, 2015	46.31	46.59	46.16	46.31
5904	NASDAQ	AVT	Wed, Nov 4, 2015	45.37	46.40	45.20	46.40
5903	NASDAQ	AVT	Tue, Nov 3, 2015	45.47	45.69	45.24	45.25
5902	NASDAQ	AVT	Mon, Nov 2, 2015	45.45	45.70	44.98	45.55
5901	NASDAQ	AVT	Fri, Oct 30, 2015	45.43	45.69	44.61	45.43
5900	NASDAQ	AVT	Thu, Oct 29, 2015	46.14	46.22	44.54	44.81
5899	NASDAQ	AVT	Wed, Oct 28, 2015	45.16	45.48	44.10	45.04
5898	NASDAQ	AVT	Tue, Oct 27, 2015	45.59	46.01	45.19	45.86
5897	NASDAQ	AVT	Mon, Oct 26, 2015	45.93	46.11	45.46	45.81
5896	NASDAQ	AVT	Fri, Oct 23, 2015	45.96	46.13	45.57	46.12
5895	NASDAQ	AVT	Thu, Oct 22, 2015	45.48	45.76	45.04	45.68
5894	NASDAQ	AVT	Wed, Oct 21, 2015	45.19	45.61	44.91	44.92
5893	NASDAQ	AVT	Tue, Oct 20, 2015	44.83	45.10	44.74	45.00
5892	NASDAQ	AVT	Mon, Oct 19, 2015	44.90	45.14	44.67	44.86
5891	NASDAQ	AVT	Fri, Oct 16, 2015	45.11	45.72	44.80	44.98
5890	NASDAQ	AVT	Thu, Oct 15, 2015	45.69	45.80	44.85	45.18
5889	NASDAQ	AVT	Wed, Oct 14, 2015	45.37	46.36	44.99	45.69
5888	NASDAQ	AVT	Tue, Oct 13, 2015	45.04	45.70	44.88	45.30
5887	NASDAQ	AVT	Mon, Oct 12, 2015	45.31	45.46	44.88	45.27
5886	NASDAQ	AVT	Fri, Oct 9, 2015	45.70	46.05	45.03	45.26
5885	NASDAQ	AVT	Thu, Oct 8, 2015	45.21	45.91	44.84	45.76
5884	NASDAQ	AVT	Wed, Oct 7, 2015	44.83	45.67	44.73	45.22
5883	NASDAQ	AVT	Tue, Oct 6, 2015	44.82	45.25	44.45	44.59
5882	NASDAQ	AVT	Mon, Oct 5, 2015	43.99	44.78	43.63	44.76
5881	NASDAQ	AVT	Fri, Oct 2, 2015	41.98	43.50	41.94	43.50
5880	NASDAQ	AVT	Thu, Oct 1, 2015	42.62	42.97	41.77	42.56
5879	NASDAQ	AVT	Wed, Sep 30, 2015	41.50	42.77	41.50	42.68
5878	NASDAQ	AVT	Tue, Sep 29, 2015	40.52	41.03	40.21	40.94
5877	NASDAQ	AVT	Mon, Sep 28, 2015	41.04	41.20	40.43	40.56
5876	NASDAQ	AVT	Fri, Sep 25, 2015	41.47	41.81	41.06	41.36
5875	NASDAQ	AVT	Thu, Sep 24, 2015	40.70	41.29	40.37	41.07
5874	NASDAQ	AVT	Wed, Sep 23, 2015	41.39	41.54	40.94	41.16
5873	NASDAQ	AVT	Tue, Sep 22, 2015	41.72	41.88	41.30	41.49
5872	NASDAQ	AVT	Mon, Sep 21, 2015	42.43	43.02	42.32	42.50
5871	NASDAQ	AVT	Fri, Sep 18, 2015	42.85	42.96	42.02	42.14
5870	NASDAQ	AVT	Thu, Sep 17, 2015	44.00	44.16	43.33	43.49
5869	NASDAQ	AVT	Wed, Sep 16, 2015	43.73	44.30	43.68	44.00
5868	NASDAQ	AVT	Tue, Sep 15, 2015	42.93	43.89	42.82	43.88
5867	NASDAQ	AVT	Mon, Sep 14, 2015	42.90	42.98	42.52	42.66
5866	NASDAQ	AVT	Fri, Sep 11, 2015	42.49	43.14	42.36	42.90
5865	NASDAQ	AVT	Thu, Sep 10, 2015	42.03	42.94	41.73	42.58
5864	NASDAQ	AVT	Wed, Sep 9, 2015	43.01	43.23	41.99	42.07
5863	NASDAQ	AVT	Tue, Sep 8, 2015	41.99	42.52	41.66	42.51
5862	NASDAQ	AVT	Fri, Sep 4, 2015	41.25	41.50	40.91	41.19
5861	NASDAQ	AVT	Thu, Sep 3, 2015	41.41	42.22	41.32	41.77
5860	NASDAQ	AVT	Wed, Sep 2, 2015	41.64	41.64	40.78	41.19
5859	NASDAQ	AVT	Tue, Sep 1, 2015	41.43	41.83	40.77	40.95
5858	NASDAQ	AVT	Mon, Aug 31, 2015	42.14	42.91	41.75	42.40
5857	NASDAQ	AVT	Fri, Aug 28, 2015	42.09	42.76	41.61	42.26
5856	NASDAQ	AVT	Thu, Aug 27, 2015	41.28	41.96	40.98	41.95
5855	NASDAQ	AVT	Wed, Aug 26, 2015	39.59	40.89	38.90	40.64
5854	NASDAQ	AVT	Tue, Aug 25, 2015	40.33	40.33	38.61	38.63
5853	NASDAQ	AVT	Mon, Aug 24, 2015	37.99	40.63	36.42	38.86
5852	NASDAQ	AVT	Fri, Aug 21, 2015	41.34	41.72	40.38	40.40
5851	NASDAQ	AVT	Thu, Aug 20, 2015	42.29	42.60	41.62	41.62
5850	NASDAQ	AVT	Wed, Aug 19, 2015	42.82	43.15	42.23	42.64
5849	NASDAQ	AVT	Tue, Aug 18, 2015	43.53	43.53	42.70	42.77
5848	NASDAQ	AVT	Mon, Aug 17, 2015	42.92	43.67	42.63	43.62
5847	NASDAQ	AVT	Fri, Aug 14, 2015	43.00	43.08	42.61	43.01
5846	NASDAQ	AVT	Thu, Aug 13, 2015	43.11	43.41	42.65	42.67
5845	NASDAQ	AVT	Wed, Aug 12, 2015	42.90	43.40	42.04	43.04
5844	NASDAQ	AVT	Tue, Aug 11, 2015	43.61	44.16	43.19	43.40
5843	NASDAQ	AVT	Mon, Aug 10, 2015	43.72	44.29	43.48	44.04
5842	NASDAQ	AVT	Fri, Aug 7, 2015	43.19	43.68	43.14	43.23
5841	NASDAQ	AVT	Thu, Aug 6, 2015	44.33	44.64	42.94	43.38
5840	NASDAQ	AVT	Wed, Aug 5, 2015	42.28	44.28	41.83	43.85
5839	NASDAQ	AVT	Tue, Aug 4, 2015	41.32	41.83	40.93	41.38
5838	NASDAQ	AVT	Mon, Aug 3, 2015	41.69	41.92	41.22	41.39
5837	NASDAQ	AVT	Fri, Jul 31, 2015	41.90	42.24	41.59	41.73
5836	NASDAQ	AVT	Thu, Jul 30, 2015	41.41	41.83	41.32	41.64
5835	NASDAQ	AVT	Wed, Jul 29, 2015	40.74	41.61	40.67	41.56
5834	NASDAQ	AVT	Tue, Jul 28, 2015	39.78	40.98	39.58	40.72
5833	NASDAQ	AVT	Mon, Jul 27, 2015	39.36	39.63	38.90	39.52
5832	NASDAQ	AVT	Fri, Jul 24, 2015	40.24	40.51	39.59	39.60
5831	NASDAQ	AVT	Thu, Jul 23, 2015	39.83	40.70	39.77	40.32
5830	NASDAQ	AVT	Wed, Jul 22, 2015	39.82	39.90	39.46	39.74
5829	NASDAQ	AVT	Tue, Jul 21, 2015	40.40	40.71	40.08	40.17
5828	NASDAQ	AVT	Mon, Jul 20, 2015	40.67	40.72	40.34	40.47
5827	NASDAQ	AVT	Fri, Jul 17, 2015	40.50	40.68	40.27	40.53
5826	NASDAQ	AVT	Thu, Jul 16, 2015	40.89	40.96	40.44	40.63
5825	NASDAQ	AVT	Wed, Jul 15, 2015	40.66	40.76	40.24	40.53
5824	NASDAQ	AVT	Tue, Jul 14, 2015	40.53	40.92	40.53	40.75
5823	NASDAQ	AVT	Mon, Jul 13, 2015	40.94	40.94	40.30	40.55
5822	NASDAQ	AVT	Fri, Jul 10, 2015	40.36	40.61	40.18	40.49
5821	NASDAQ	AVT	Thu, Jul 9, 2015	40.88	41.01	39.92	39.94
5820	NASDAQ	AVT	Wed, Jul 8, 2015	40.80	41.14	40.28	40.43
5819	NASDAQ	AVT	Tue, Jul 7, 2015	41.18	41.41	40.24	41.39
5818	NASDAQ	AVT	Mon, Jul 6, 2015	41.30	41.59	40.79	41.02
5817	NASDAQ	AVT	Thu, Jul 2, 2015	41.23	41.74	41.15	41.63
5816	NASDAQ	AVT	Wed, Jul 1, 2015	41.60	41.69	41.08	41.18
5815	NASDAQ	AVT	Tue, Jun 30, 2015	41.65	41.76	41.09	41.11
5814	NASDAQ	AVT	Mon, Jun 29, 2015	41.67	41.90	41.26	41.27
5813	NASDAQ	AVT	Fri, Jun 26, 2015	42.50	42.71	42.02	42.09
5812	NASDAQ	AVT	Thu, Jun 25, 2015	43.18	43.18	42.50	42.56
5811	NASDAQ	AVT	Wed, Jun 24, 2015	43.68	43.99	43.00	43.00
5810	NASDAQ	AVT	Tue, Jun 23, 2015	43.57	43.59	43.30	43.48
5809	NASDAQ	AVT	Mon, Jun 22, 2015	43.33	43.47	43.14	43.45
5808	NASDAQ	AVT	Fri, Jun 19, 2015	43.21	43.33	42.93	42.98
5807	NASDAQ	AVT	Thu, Jun 18, 2015	42.99	43.31	42.91	43.18
5806	NASDAQ	AVT	Wed, Jun 17, 2015	43.16	43.27	42.82	42.94
5805	NASDAQ	AVT	Tue, Jun 16, 2015	42.90	43.12	42.58	43.01
5804	NASDAQ	AVT	Mon, Jun 15, 2015	42.63	43.11	42.39	42.90
5803	NASDAQ	AVT	Fri, Jun 12, 2015	43.03	43.22	42.89	43.05
5802	NASDAQ	AVT	Thu, Jun 11, 2015	42.87	43.28	42.79	43.20
5801	NASDAQ	AVT	Wed, Jun 10, 2015	43.16	43.27	42.80	42.80
5800	NASDAQ	AVT	Tue, Jun 9, 2015	42.80	43.02	42.51	42.83
5799	NASDAQ	AVT	Mon, Jun 8, 2015	43.26	43.41	42.57	42.76
5798	NASDAQ	AVT	Fri, Jun 5, 2015	43.34	43.47	42.99	43.19
5797	NASDAQ	AVT	Thu, Jun 4, 2015	43.95	44.16	43.38	43.52
5796	NASDAQ	AVT	Wed, Jun 3, 2015	44.10	44.39	43.80	44.26
5795	NASDAQ	AVT	Tue, Jun 2, 2015	43.81	44.11	43.50	43.81
5794	NASDAQ	AVT	Mon, Jun 1, 2015	44.14	44.22	43.71	44.07
5793	NASDAQ	AVT	Fri, May 29, 2015	44.76	44.88	43.79	44.01
5792	NASDAQ	AVT	Thu, May 28, 2015	44.62	44.99	44.61	44.88
5791	NASDAQ	AVT	Wed, May 27, 2015	44.18	44.81	44.05	44.65
5790	NASDAQ	AVT	Tue, May 26, 2015	45.04	45.25	44.00	44.10
5789	NASDAQ	AVT	Fri, May 22, 2015	45.34	45.54	45.31	45.36
5788	NASDAQ	AVT	Thu, May 21, 2015	45.84	45.84	45.48	45.54
5787	NASDAQ	AVT	Wed, May 20, 2015	45.80	46.18	45.67	45.87
5786	NASDAQ	AVT	Tue, May 19, 2015	46.08	46.28	45.70	45.84
5785	NASDAQ	AVT	Mon, May 18, 2015	45.53	46.20	45.44	46.15
5784	NASDAQ	AVT	Fri, May 15, 2015	45.61	45.88	45.09	45.65
5783	NASDAQ	AVT	Thu, May 14, 2015	45.42	45.95	45.23	45.75
5782	NASDAQ	AVT	Wed, May 13, 2015	44.61	45.18	44.56	45.08
5781	NASDAQ	AVT	Tue, May 12, 2015	44.43	44.55	43.90	44.43
5780	NASDAQ	AVT	Mon, May 11, 2015	44.66	44.86	44.45	44.64
5779	NASDAQ	AVT	Fri, May 8, 2015	45.05	45.16	44.73	44.75
5778	NASDAQ	AVT	Thu, May 7, 2015	44.33	44.67	44.21	44.44
5777	NASDAQ	AVT	Wed, May 6, 2015	44.25	44.44	43.88	44.42
5776	NASDAQ	AVT	Tue, May 5, 2015	44.18	44.56	43.96	44.09
5775	NASDAQ	AVT	Mon, May 4, 2015	44.07	44.41	43.80	44.20
5774	NASDAQ	AVT	Fri, May 1, 2015	42.86	44.16	42.86	44.02
5773	NASDAQ	AVT	Thu, Apr 30, 2015	43.61	43.82	42.40	42.63
5772	NASDAQ	AVT	Wed, Apr 29, 2015	43.19	44.14	43.19	43.91
5771	NASDAQ	AVT	Tue, Apr 28, 2015	43.53	43.81	43.31	43.45
5770	NASDAQ	AVT	Mon, Apr 27, 2015	43.40	43.74	43.29	43.61
5769	NASDAQ	AVT	Fri, Apr 24, 2015	43.34	43.51	43.05	43.47
5768	NASDAQ	AVT	Thu, Apr 23, 2015	44.23	44.60	43.31	43.75
5767	NASDAQ	AVT	Wed, Apr 22, 2015	45.21	45.65	44.54	45.49
5766	NASDAQ	AVT	Tue, Apr 21, 2015	45.00	45.30	44.57	45.21
5765	NASDAQ	AVT	Mon, Apr 20, 2015	44.19	44.82	44.15	44.74
5764	NASDAQ	AVT	Fri, Apr 17, 2015	44.32	44.40	43.60	43.89
5763	NASDAQ	AVT	Thu, Apr 16, 2015	44.66	44.88	44.41	44.88
5762	NASDAQ	AVT	Wed, Apr 15, 2015	44.40	45.16	44.27	44.90
5761	NASDAQ	AVT	Tue, Apr 14, 2015	44.22	44.34	43.84	44.34
5760	NASDAQ	AVT	Mon, Apr 13, 2015	44.91	44.94	44.24	44.24
5759	NASDAQ	AVT	Fri, Apr 10, 2015	44.74	45.03	44.25	45.03
5758	NASDAQ	AVT	Thu, Apr 9, 2015	44.40	45.02	44.22	44.85
5757	NASDAQ	AVT	Wed, Apr 8, 2015	43.86	44.60	43.67	44.55
5756	NASDAQ	AVT	Tue, Apr 7, 2015	44.34	44.46	43.75	43.87
5755	NASDAQ	AVT	Mon, Apr 6, 2015	43.41	44.51	43.29	44.49
5754	NASDAQ	AVT	Thu, Apr 2, 2015	43.80	44.18	43.65	43.76
5753	NASDAQ	AVT	Wed, Apr 1, 2015	44.42	44.49	43.45	43.82
5752	NASDAQ	AVT	Tue, Mar 31, 2015	44.61	44.68	44.32	44.50
5751	NASDAQ	AVT	Mon, Mar 30, 2015	44.04	44.98	43.87	44.84
5750	NASDAQ	AVT	Fri, Mar 27, 2015	43.51	43.94	43.00	43.72
5749	NASDAQ	AVT	Thu, Mar 26, 2015	44.10	44.26	43.20	43.47
5748	NASDAQ	AVT	Wed, Mar 25, 2015	46.56	46.73	44.45	44.50
5747	NASDAQ	AVT	Tue, Mar 24, 2015	47.02	47.07	46.54	46.54
5746	NASDAQ	AVT	Mon, Mar 23, 2015	46.75	47.27	46.56	47.12
5745	NASDAQ	AVT	Fri, Mar 20, 2015	45.93	46.87	45.74	46.75
5744	NASDAQ	AVT	Thu, Mar 19, 2015	45.34	45.70	45.01	45.65
5743	NASDAQ	AVT	Wed, Mar 18, 2015	45.06	46.02	44.75	45.58
5742	NASDAQ	AVT	Tue, Mar 17, 2015	44.83	45.19	44.35	45.11
5741	NASDAQ	AVT	Mon, Mar 16, 2015	44.56	45.02	44.46	45.00
5740	NASDAQ	AVT	Fri, Mar 13, 2015	44.87	44.89	43.83	44.39
5739	NASDAQ	AVT	Thu, Mar 12, 2015	44.93	45.17	44.45	44.89
5738	NASDAQ	AVT	Wed, Mar 11, 2015	44.88	45.18	44.53	44.88
5737	NASDAQ	AVT	Tue, Mar 10, 2015	45.56	45.67	44.73	44.74
5736	NASDAQ	AVT	Mon, Mar 9, 2015	45.26	46.24	45.22	46.11
5735	NASDAQ	AVT	Fri, Mar 6, 2015	46.34	46.64	45.56	45.68
5734	NASDAQ	AVT	Thu, Mar 5, 2015	46.67	46.71	46.11	46.55
5733	NASDAQ	AVT	Wed, Mar 4, 2015	46.33	46.69	45.80	46.65
5732	NASDAQ	AVT	Tue, Mar 3, 2015	46.54	46.73	46.23	46.65
5731	NASDAQ	AVT	Mon, Mar 2, 2015	45.77	46.69	45.49	46.54
5730	NASDAQ	AVT	Fri, Feb 27, 2015	46.35	46.35	45.55	45.81
5729	NASDAQ	AVT	Thu, Feb 26, 2015	46.23	46.70	46.10	46.65
5728	NASDAQ	AVT	Wed, Feb 25, 2015	46.34	46.39	46.06	46.35
5727	NASDAQ	AVT	Tue, Feb 24, 2015	45.95	46.50	45.92	46.37
5726	NASDAQ	AVT	Mon, Feb 23, 2015	45.71	46.04	45.19	46.04
5725	NASDAQ	AVT	Fri, Feb 20, 2015	45.36	45.93	45.05	45.91
5724	NASDAQ	AVT	Thu, Feb 19, 2015	45.24	45.68	44.97	45.56
5723	NASDAQ	AVT	Wed, Feb 18, 2015	45.32	45.59	45.07	45.50
5722	NASDAQ	AVT	Tue, Feb 17, 2015	45.30	45.60	44.85	45.49
5721	NASDAQ	AVT	Fri, Feb 13, 2015	44.90	45.37	44.70	45.30
5720	NASDAQ	AVT	Thu, Feb 12, 2015	44.18	44.85	44.18	44.85
5719	NASDAQ	AVT	Wed, Feb 11, 2015	44.00	44.27	43.86	44.11
5718	NASDAQ	AVT	Tue, Feb 10, 2015	44.00	44.16	43.51	44.03
5717	NASDAQ	AVT	Mon, Feb 9, 2015	43.89	44.13	43.47	43.68
5716	NASDAQ	AVT	Fri, Feb 6, 2015	43.83	44.32	43.80	44.15
5715	NASDAQ	AVT	Thu, Feb 5, 2015	43.34	43.90	43.03	43.79
5714	NASDAQ	AVT	Wed, Feb 4, 2015	43.04	43.66	42.96	43.27
5713	NASDAQ	AVT	Tue, Feb 3, 2015	42.22	43.53	42.10	43.51
5712	NASDAQ	AVT	Mon, Feb 2, 2015	41.82	42.02	40.99	41.92
5711	NASDAQ	AVT	Fri, Jan 30, 2015	42.00	42.62	41.51	41.62
5710	NASDAQ	AVT	Thu, Jan 29, 2015	42.29	42.68	41.54	42.26
5709	NASDAQ	AVT	Wed, Jan 28, 2015	43.05	43.35	42.19	42.21
5708	NASDAQ	AVT	Tue, Jan 27, 2015	42.77	43.19	42.39	42.42
5707	NASDAQ	AVT	Mon, Jan 26, 2015	42.98	43.50	42.43	43.46
5706	NASDAQ	AVT	Fri, Jan 23, 2015	43.30	43.42	42.78	43.14
5705	NASDAQ	AVT	Thu, Jan 22, 2015	42.57	43.25	41.78	43.22
5704	NASDAQ	AVT	Wed, Jan 21, 2015	41.16	42.13	40.95	42.08
5703	NASDAQ	AVT	Tue, Jan 20, 2015	41.74	41.95	41.06	41.33
5702	NASDAQ	AVT	Fri, Jan 16, 2015	40.74	41.72	40.69	41.69
5701	NASDAQ	AVT	Thu, Jan 15, 2015	41.87	42.00	40.92	40.97
5700	NASDAQ	AVT	Wed, Jan 14, 2015	41.17	41.74	41.00	41.74
5699	NASDAQ	AVT	Tue, Jan 13, 2015	42.21	43.00	41.20	41.66
5698	NASDAQ	AVT	Mon, Jan 12, 2015	41.93	42.09	41.20	41.79
5697	NASDAQ	AVT	Fri, Jan 9, 2015	42.38	42.49	41.65	42.04
5696	NASDAQ	AVT	Thu, Jan 8, 2015	41.81	42.59	41.68	42.34
5695	NASDAQ	AVT	Wed, Jan 7, 2015	41.35	41.59	40.98	41.36
5694	NASDAQ	AVT	Tue, Jan 6, 2015	42.24	42.24	40.84	41.10
5693	NASDAQ	AVT	Mon, Jan 5, 2015	42.62	42.85	42.23	42.26
5692	NASDAQ	AVT	Fri, Jan 2, 2015	43.35	43.51	42.53	42.80
5691	NASDAQ	AVT	Wed, Dec 31, 2014	43.80	43.80	42.99	43.02
5690	NASDAQ	AVT	Tue, Dec 30, 2014	43.97	44.22	43.58	43.59
5689	NASDAQ	AVT	Mon, Dec 29, 2014	43.86	44.37	43.86	44.06
5688	NASDAQ	AVT	Fri, Dec 26, 2014	44.07	44.17	43.81	43.86
5687	NASDAQ	AVT	Wed, Dec 24, 2014	43.69	44.06	43.56	43.83
5686	NASDAQ	AVT	Tue, Dec 23, 2014	43.99	44.18	43.68	43.68
5685	NASDAQ	AVT	Mon, Dec 22, 2014	43.59	44.04	41.96	43.57
5684	NASDAQ	AVT	Fri, Dec 19, 2014	43.41	43.85	43.41	43.51
5683	NASDAQ	AVT	Thu, Dec 18, 2014	43.32	43.62	42.90	43.54
5682	NASDAQ	AVT	Wed, Dec 17, 2014	41.89	42.73	41.65	42.59
5681	NASDAQ	AVT	Tue, Dec 16, 2014	42.00	42.94	41.81	41.85
5680	NASDAQ	AVT	Mon, Dec 15, 2014	43.04	43.39	42.12	42.13
5679	NASDAQ	AVT	Fri, Dec 12, 2014	43.17	43.17	42.69	42.85
5678	NASDAQ	AVT	Thu, Dec 11, 2014	44.04	44.43	43.39	43.50
5677	NASDAQ	AVT	Wed, Dec 10, 2014	44.47	44.63	43.34	43.36
5676	NASDAQ	AVT	Tue, Dec 9, 2014	43.69	44.67	43.44	44.62
5675	NASDAQ	AVT	Mon, Dec 8, 2014	44.60	44.98	44.30	44.44
5674	NASDAQ	AVT	Fri, Dec 5, 2014	44.60	44.80	44.25	44.77
5673	NASDAQ	AVT	Thu, Dec 4, 2014	45.20	45.36	44.33	44.51
5672	NASDAQ	AVT	Wed, Dec 3, 2014	43.75	45.10	43.70	45.05
5671	NASDAQ	AVT	Tue, Dec 2, 2014	43.56	43.96	43.47	43.75
5670	NASDAQ	AVT	Mon, Dec 1, 2014	43.66	43.91	43.32	43.57
5669	NASDAQ	AVT	Fri, Nov 28, 2014	43.59	44.06	43.33	43.79
5668	NASDAQ	AVT	Wed, Nov 26, 2014	44.02	44.02	43.51	43.78
5667	NASDAQ	AVT	Tue, Nov 25, 2014	44.00	44.22	43.68	43.97
5666	NASDAQ	AVT	Mon, Nov 24, 2014	43.95	44.09	43.47	43.90
5665	NASDAQ	AVT	Fri, Nov 21, 2014	43.99	44.41	43.77	43.85
5664	NASDAQ	AVT	Thu, Nov 20, 2014	43.08	43.68	43.04	43.51
5663	NASDAQ	AVT	Wed, Nov 19, 2014	44.08	44.12	43.09	43.32
5662	NASDAQ	AVT	Tue, Nov 18, 2014	43.17	44.30	43.17	44.18
5661	NASDAQ	AVT	Mon, Nov 17, 2014	42.71	43.31	42.71	43.18
5660	NASDAQ	AVT	Fri, Nov 14, 2014	42.29	43.09	42.29	42.86
5659	NASDAQ	AVT	Thu, Nov 13, 2014	42.63	43.23	42.58	42.58
5658	NASDAQ	AVT	Wed, Nov 12, 2014	43.62	44.11	43.49	44.05
5657	NASDAQ	AVT	Tue, Nov 11, 2014	43.51	43.86	43.30	43.84
5656	NASDAQ	AVT	Mon, Nov 10, 2014	43.78	44.00	43.35	43.58
5655	NASDAQ	AVT	Fri, Nov 7, 2014	44.00	44.00	43.43	43.68
5654	NASDAQ	AVT	Thu, Nov 6, 2014	43.63	43.96	43.48	43.66
5653	NASDAQ	AVT	Wed, Nov 5, 2014	43.44	43.61	43.01	43.60
5652	NASDAQ	AVT	Tue, Nov 4, 2014	42.98	43.29	42.94	43.07
5651	NASDAQ	AVT	Mon, Nov 3, 2014	43.26	43.37	42.94	43.04
5650	NASDAQ	AVT	Fri, Oct 31, 2014	43.04	44.15	42.99	43.25
5649	NASDAQ	AVT	Thu, Oct 30, 2014	42.37	42.63	41.97	42.13
5648	NASDAQ	AVT	Wed, Oct 29, 2014	42.75	43.19	42.22	42.60
5647	NASDAQ	AVT	Tue, Oct 28, 2014	41.67	42.76	41.62	42.75
5646	NASDAQ	AVT	Mon, Oct 27, 2014	41.67	42.03	41.46	41.53
5645	NASDAQ	AVT	Fri, Oct 24, 2014	41.14	42.01	41.14	41.78
5644	NASDAQ	AVT	Thu, Oct 23, 2014	42.00	42.43	40.97	41.15
5643	NASDAQ	AVT	Wed, Oct 22, 2014	40.80	40.89	40.04	40.07
5642	NASDAQ	AVT	Tue, Oct 21, 2014	39.55	40.83	39.48	40.79
5641	NASDAQ	AVT	Mon, Oct 20, 2014	38.85	39.41	38.83	39.37
5640	NASDAQ	AVT	Fri, Oct 17, 2014	38.03	39.00	38.03	38.85
5639	NASDAQ	AVT	Thu, Oct 16, 2014	36.54	37.84	36.37	37.65
5638	NASDAQ	AVT	Wed, Oct 15, 2014	36.03	37.75	35.53	37.40
5637	NASDAQ	AVT	Tue, Oct 14, 2014	36.63	37.46	36.56	36.71
5636	NASDAQ	AVT	Mon, Oct 13, 2014	37.20	37.30	36.45	36.54
5635	NASDAQ	AVT	Fri, Oct 10, 2014	39.60	39.60	37.11	37.18
5634	NASDAQ	AVT	Thu, Oct 9, 2014	40.75	40.77	39.80	39.90
5633	NASDAQ	AVT	Wed, Oct 8, 2014	40.35	40.88	39.74	40.86
5632	NASDAQ	AVT	Tue, Oct 7, 2014	40.58	41.07	40.34	40.34
5631	NASDAQ	AVT	Mon, Oct 6, 2014	40.75	41.08	40.67	40.89
5630	NASDAQ	AVT	Fri, Oct 3, 2014	40.79	40.87	40.45	40.63
5629	NASDAQ	AVT	Thu, Oct 2, 2014	40.58	40.89	40.00	40.59
5628	NASDAQ	AVT	Wed, Oct 1, 2014	41.38	41.52	40.58	40.67
5627	NASDAQ	AVT	Tue, Sep 30, 2014	41.96	42.13	41.40	41.50
5626	NASDAQ	AVT	Mon, Sep 29, 2014	41.69	42.33	41.69	41.97
5625	NASDAQ	AVT	Fri, Sep 26, 2014	41.73	42.20	41.66	42.13
5624	NASDAQ	AVT	Thu, Sep 25, 2014	42.36	42.50	41.60	41.67
5623	NASDAQ	AVT	Wed, Sep 24, 2014	42.31	42.66	42.12	42.53
5622	NASDAQ	AVT	Tue, Sep 23, 2014	42.91	42.94	42.31	42.32
5621	NASDAQ	AVT	Mon, Sep 22, 2014	43.48	43.63	42.99	43.02
5620	NASDAQ	AVT	Fri, Sep 19, 2014	44.47	44.59	43.50	43.66
5619	NASDAQ	AVT	Thu, Sep 18, 2014	44.19	44.46	44.15	44.31
5618	NASDAQ	AVT	Wed, Sep 17, 2014	43.76	44.29	43.75	44.09
5617	NASDAQ	AVT	Tue, Sep 16, 2014	43.68	44.07	43.47	43.76
5616	NASDAQ	AVT	Mon, Sep 15, 2014	43.99	44.22	43.79	43.95
5615	NASDAQ	AVT	Fri, Sep 12, 2014	44.17	44.18	43.81	44.02
5614	NASDAQ	AVT	Thu, Sep 11, 2014	43.53	44.18	43.53	44.17
5613	NASDAQ	AVT	Wed, Sep 10, 2014	43.67	43.87	43.46	43.76
5612	NASDAQ	AVT	Tue, Sep 9, 2014	43.93	44.02	43.62	43.74
5611	NASDAQ	AVT	Mon, Sep 8, 2014	43.95	44.08	43.68	43.91
5610	NASDAQ	AVT	Fri, Sep 5, 2014	44.21	44.39	43.89	44.00
5609	NASDAQ	AVT	Thu, Sep 4, 2014	44.51	44.71	44.25	44.26
5608	NASDAQ	AVT	Wed, Sep 3, 2014	44.87	44.90	44.45	44.64
5607	NASDAQ	AVT	Tue, Sep 2, 2014	44.66	44.96	44.30	44.56
5606	NASDAQ	AVT	Fri, Aug 29, 2014	44.42	44.66	44.22	44.51
5605	NASDAQ	AVT	Thu, Aug 28, 2014	44.41	44.59	44.20	44.27
5604	NASDAQ	AVT	Wed, Aug 27, 2014	45.05	45.17	44.69	44.69
5603	NASDAQ	AVT	Tue, Aug 26, 2014	44.57	45.10	44.57	44.95
5602	NASDAQ	AVT	Mon, Aug 25, 2014	44.57	44.60	44.22	44.45
5601	NASDAQ	AVT	Fri, Aug 22, 2014	44.64	44.77	44.35	44.42
5600	NASDAQ	AVT	Thu, Aug 21, 2014	44.28	44.87	44.07	44.68
5599	NASDAQ	AVT	Wed, Aug 20, 2014	43.73	44.30	43.62	44.23
5598	NASDAQ	AVT	Tue, Aug 19, 2014	43.45	43.79	43.40	43.73
5597	NASDAQ	AVT	Mon, Aug 18, 2014	43.35	43.67	42.97	43.39
5596	NASDAQ	AVT	Fri, Aug 15, 2014	42.92	43.09	42.53	42.94
5595	NASDAQ	AVT	Thu, Aug 14, 2014	42.25	42.82	42.16	42.71
5594	NASDAQ	AVT	Wed, Aug 13, 2014	41.95	42.24	41.67	42.18
5593	NASDAQ	AVT	Tue, Aug 12, 2014	41.59	41.83	41.37	41.66
5592	NASDAQ	AVT	Mon, Aug 11, 2014	41.41	41.65	41.11	41.37
5591	NASDAQ	AVT	Fri, Aug 8, 2014	40.90	41.29	40.77	41.09
5590	NASDAQ	AVT	Thu, Aug 7, 2014	42.62	42.62	40.84	40.88
5589	NASDAQ	AVT	Wed, Aug 6, 2014	43.87	43.95	42.23	42.53
5588	NASDAQ	AVT	Tue, Aug 5, 2014	42.90	43.38	42.75	43.35
5587	NASDAQ	AVT	Mon, Aug 4, 2014	42.53	43.19	42.37	43.16
5586	NASDAQ	AVT	Fri, Aug 1, 2014	42.18	42.75	41.90	42.60
5585	NASDAQ	AVT	Thu, Jul 31, 2014	42.94	43.20	42.33	42.33
5584	NASDAQ	AVT	Wed, Jul 30, 2014	43.15	43.63	43.12	43.44
5583	NASDAQ	AVT	Tue, Jul 29, 2014	43.93	44.24	42.92	42.97
5582	NASDAQ	AVT	Mon, Jul 28, 2014	43.66	44.10	43.31	44.02
5581	NASDAQ	AVT	Fri, Jul 25, 2014	43.94	43.96	43.54	43.75
5580	NASDAQ	AVT	Thu, Jul 24, 2014	43.93	44.27	43.86	44.17
5579	NASDAQ	AVT	Wed, Jul 23, 2014	44.75	44.75	43.88	43.92
5578	NASDAQ	AVT	Tue, Jul 22, 2014	44.89	45.24	44.63	44.65
5577	NASDAQ	AVT	Mon, Jul 21, 2014	44.15	44.90	43.99	44.65
5576	NASDAQ	AVT	Fri, Jul 18, 2014	43.98	44.36	43.76	44.32
5575	NASDAQ	AVT	Thu, Jul 17, 2014	43.84	44.37	43.56	43.83
5574	NASDAQ	AVT	Wed, Jul 16, 2014	43.94	44.30	43.41	43.83
5573	NASDAQ	AVT	Tue, Jul 15, 2014	43.31	43.94	43.31	43.80
5572	NASDAQ	AVT	Mon, Jul 14, 2014	43.72	44.07	43.37	43.40
5571	NASDAQ	AVT	Fri, Jul 11, 2014	43.74	43.80	43.32	43.45
5570	NASDAQ	AVT	Thu, Jul 10, 2014	43.87	44.20	43.31	43.87
5569	NASDAQ	AVT	Wed, Jul 9, 2014	44.51	44.78	44.01	44.21
5568	NASDAQ	AVT	Tue, Jul 8, 2014	44.79	44.80	44.15	44.50
5567	NASDAQ	AVT	Mon, Jul 7, 2014	45.07	45.16	44.45	44.93
5566	NASDAQ	AVT	Thu, Jul 3, 2014	44.47	45.19	44.33	45.17
5565	NASDAQ	AVT	Wed, Jul 2, 2014	44.85	45.18	44.33	44.40
5564	NASDAQ	AVT	Tue, Jul 1, 2014	44.49	45.53	44.49	44.92
5563	NASDAQ	AVT	Mon, Jun 30, 2014	43.81	44.35	43.61	44.31
5562	NASDAQ	AVT	Fri, Jun 27, 2014	43.73	43.98	43.31	43.71
5561	NASDAQ	AVT	Thu, Jun 26, 2014	43.69	43.98	43.23	43.74
5560	NASDAQ	AVT	Wed, Jun 25, 2014	42.87	43.59	42.82	43.55
5559	NASDAQ	AVT	Tue, Jun 24, 2014	43.32	43.66	42.93	42.96
5558	NASDAQ	AVT	Mon, Jun 23, 2014	43.65	43.84	43.30	43.30
5557	NASDAQ	AVT	Fri, Jun 20, 2014	43.86	44.09	43.41	43.44
5556	NASDAQ	AVT	Thu, Jun 19, 2014	44.23	44.29	43.51	43.93
5555	NASDAQ	AVT	Wed, Jun 18, 2014	43.81	44.14	43.72	44.07
5554	NASDAQ	AVT	Tue, Jun 17, 2014	43.05	44.09	43.05	43.84
5553	NASDAQ	AVT	Mon, Jun 16, 2014	43.52	43.65	43.12	43.14
5552	NASDAQ	AVT	Fri, Jun 13, 2014	43.93	44.38	43.50	43.63
5551	NASDAQ	AVT	Thu, Jun 12, 2014	44.56	44.59	43.78	43.89
5550	NASDAQ	AVT	Wed, Jun 11, 2014	44.52	44.75	44.44	44.62
5549	NASDAQ	AVT	Tue, Jun 10, 2014	44.31	44.75	44.25	44.75
5548	NASDAQ	AVT	Mon, Jun 9, 2014	43.98	44.74	43.87	44.43
5547	NASDAQ	AVT	Fri, Jun 6, 2014	43.83	44.35	43.76	43.87
5546	NASDAQ	AVT	Thu, Jun 5, 2014	43.48	43.87	43.15	43.79
5545	NASDAQ	AVT	Wed, Jun 4, 2014	43.66	43.87	43.38	43.39
5544	NASDAQ	AVT	Tue, Jun 3, 2014	43.49	44.01	43.48	43.79
5543	NASDAQ	AVT	Mon, Jun 2, 2014	43.52	43.77	43.23	43.64
5542	NASDAQ	AVT	Fri, May 30, 2014	43.58	43.69	43.30	43.57
5541	NASDAQ	AVT	Thu, May 29, 2014	43.81	44.25	43.75	43.90
5540	NASDAQ	AVT	Wed, May 28, 2014	43.49	43.94	43.20	43.80
5539	NASDAQ	AVT	Tue, May 27, 2014	43.33	43.67	43.18	43.58
5538	NASDAQ	AVT	Fri, May 23, 2014	42.69	43.21	42.67	43.16
5537	NASDAQ	AVT	Thu, May 22, 2014	42.62	43.10	42.60	42.73
5536	NASDAQ	AVT	Wed, May 21, 2014	42.46	42.81	42.34	42.68
5535	NASDAQ	AVT	Tue, May 20, 2014	42.66	42.66	42.11	42.26
5534	NASDAQ	AVT	Mon, May 19, 2014	42.26	42.87	42.26	42.80
5533	NASDAQ	AVT	Fri, May 16, 2014	42.15	42.42	41.97	42.31
5532	NASDAQ	AVT	Thu, May 15, 2014	41.88	42.23	41.04	42.11
5531	NASDAQ	AVT	Wed, May 14, 2014	42.60	42.70	41.81	41.93
5530	NASDAQ	AVT	Tue, May 13, 2014	42.89	43.09	42.54	42.57
5529	NASDAQ	AVT	Mon, May 12, 2014	41.96	42.88	41.81	42.79
5528	NASDAQ	AVT	Fri, May 9, 2014	41.79	41.90	41.20	41.68
5527	NASDAQ	AVT	Thu, May 8, 2014	41.86	42.85	41.81	41.94
5526	NASDAQ	AVT	Wed, May 7, 2014	41.93	42.03	41.20	41.92
5525	NASDAQ	AVT	Tue, May 6, 2014	42.33	42.44	41.79	41.81
5524	NASDAQ	AVT	Mon, May 5, 2014	42.75	42.94	42.28	42.38
5523	NASDAQ	AVT	Fri, May 2, 2014	43.04	43.57	42.78	42.99
5522	NASDAQ	AVT	Thu, May 1, 2014	43.22	43.67	42.80	43.05
5521	NASDAQ	AVT	Wed, Apr 30, 2014	42.70	43.15	42.40	43.13
5520	NASDAQ	AVT	Tue, Apr 29, 2014	43.20	43.40	42.81	42.83
5519	NASDAQ	AVT	Mon, Apr 28, 2014	42.92	43.47	42.32	42.94
5518	NASDAQ	AVT	Fri, Apr 25, 2014	43.22	43.25	42.68	42.73
5517	NASDAQ	AVT	Thu, Apr 24, 2014	43.50	44.37	42.15	43.57
5516	NASDAQ	AVT	Wed, Apr 23, 2014	46.55	46.83	46.24	46.72
5515	NASDAQ	AVT	Tue, Apr 22, 2014	45.97	46.90	45.79	46.68
5514	NASDAQ	AVT	Mon, Apr 21, 2014	46.13	46.49	45.57	46.00
5513	NASDAQ	AVT	Thu, Apr 17, 2014	45.81	46.33	45.65	46.13
5512	NASDAQ	AVT	Wed, Apr 16, 2014	45.41	45.89	44.79	45.86
5511	NASDAQ	AVT	Tue, Apr 15, 2014	44.74	45.32	44.05	45.06
5510	NASDAQ	AVT	Mon, Apr 14, 2014	45.19	45.32	44.14	44.61
5509	NASDAQ	AVT	Fri, Apr 11, 2014	43.89	46.18	44.81	44.88
5508	NASDAQ	AVT	Thu, Apr 10, 2014	47.05	47.59	46.08	46.21
5507	NASDAQ	AVT	Wed, Apr 9, 2014	46.63	47.08	46.47	47.08
5506	NASDAQ	AVT	Tue, Apr 8, 2014	46.29	46.76	45.85	46.40
5505	NASDAQ	AVT	Mon, Apr 7, 2014	46.37	46.64	45.78	46.36
5504	NASDAQ	AVT	Fri, Apr 4, 2014	47.86	48.18	46.53	46.62
5503	NASDAQ	AVT	Thu, Apr 3, 2014	47.66	47.66	46.74	47.20
5502	NASDAQ	AVT	Wed, Apr 2, 2014	47.04	47.69	46.57	47.50
5501	NASDAQ	AVT	Tue, Apr 1, 2014	46.59	47.12	46.51	47.07
5500	NASDAQ	AVT	Mon, Mar 31, 2014	45.83	46.68	45.82	46.53
5499	NASDAQ	AVT	Fri, Mar 28, 2014	45.27	46.28	45.26	45.60
5498	NASDAQ	AVT	Thu, Mar 27, 2014	45.64	46.04	44.82	45.11
5497	NASDAQ	AVT	Wed, Mar 26, 2014	46.40	46.75	45.14	45.78
5496	NASDAQ	AVT	Tue, Mar 25, 2014	45.31	46.29	45.18	46.17
5495	NASDAQ	AVT	Mon, Mar 24, 2014	44.92	45.46	44.48	45.13
5494	NASDAQ	AVT	Fri, Mar 21, 2014	44.28	45.27	44.15	44.71
5493	NASDAQ	AVT	Thu, Mar 20, 2014	43.47	44.28	43.24	44.04
5492	NASDAQ	AVT	Wed, Mar 19, 2014	44.02	44.18	43.31	43.60
5491	NASDAQ	AVT	Tue, Mar 18, 2014	42.11	44.30	41.99	44.14
5490	NASDAQ	AVT	Mon, Mar 17, 2014	41.50	42.27	41.48	41.99
5489	NASDAQ	AVT	Fri, Mar 14, 2014	41.68	42.17	41.10	41.27
5488	NASDAQ	AVT	Thu, Mar 13, 2014	42.22	42.55	41.62	41.77
5487	NASDAQ	AVT	Wed, Mar 12, 2014	41.79	42.20	41.42	42.10
5486	NASDAQ	AVT	Tue, Mar 11, 2014	43.17	43.23	41.97	42.11
5485	NASDAQ	AVT	Mon, Mar 10, 2014	43.36	43.48	42.79	43.09
5484	NASDAQ	AVT	Fri, Mar 7, 2014	43.18	43.49	43.01	43.31
5483	NASDAQ	AVT	Thu, Mar 6, 2014	43.01	43.15	42.76	42.93
5482	NASDAQ	AVT	Wed, Mar 5, 2014	43.39	43.56	42.87	42.94
5481	NASDAQ	AVT	Tue, Mar 4, 2014	43.31	43.65	43.21	43.37
5480	NASDAQ	AVT	Mon, Mar 3, 2014	42.98	43.22	42.17	42.74
5479	NASDAQ	AVT	Fri, Feb 28, 2014	43.48	44.00	43.33	43.53
5478	NASDAQ	AVT	Thu, Feb 27, 2014	42.87	43.57	42.77	43.55
5477	NASDAQ	AVT	Wed, Feb 26, 2014	42.66	43.22	42.56	42.95
5476	NASDAQ	AVT	Tue, Feb 25, 2014	42.88	42.88	42.29	42.55
5475	NASDAQ	AVT	Mon, Feb 24, 2014	43.44	43.45	42.82	42.83
5474	NASDAQ	AVT	Fri, Feb 21, 2014	43.70	43.79	43.20	43.36
5473	NASDAQ	AVT	Thu, Feb 20, 2014	43.13	43.69	42.89	43.67
5472	NASDAQ	AVT	Wed, Feb 19, 2014	43.77	43.88	42.95	42.97
5471	NASDAQ	AVT	Tue, Feb 18, 2014	43.55	43.88	43.29	43.83
5470	NASDAQ	AVT	Fri, Feb 14, 2014	42.93	43.46	42.93	43.35
5469	NASDAQ	AVT	Thu, Feb 13, 2014	41.97	43.14	41.28	43.10
5468	NASDAQ	AVT	Wed, Feb 12, 2014	41.92	42.54	41.92	42.37
5467	NASDAQ	AVT	Tue, Feb 11, 2014	41.44	42.22	41.00	41.91
5466	NASDAQ	AVT	Mon, Feb 10, 2014	41.15	41.68	41.05	41.47
5465	NASDAQ	AVT	Fri, Feb 7, 2014	40.33	41.09	40.33	41.08
5464	NASDAQ	AVT	Thu, Feb 6, 2014	39.51	40.41	39.38	40.20
5463	NASDAQ	AVT	Wed, Feb 5, 2014	39.33	39.66	38.73	39.32
5462	NASDAQ	AVT	Tue, Feb 4, 2014	39.60	39.71	39.04	39.43
5461	NASDAQ	AVT	Mon, Feb 3, 2014	40.93	41.03	39.09	39.40
5460	NASDAQ	AVT	Fri, Jan 31, 2014	40.66	41.32	40.52	41.07
5459	NASDAQ	AVT	Thu, Jan 30, 2014	41.19	41.41	40.72	41.36
5458	NASDAQ	AVT	Wed, Jan 29, 2014	41.00	41.53	40.72	40.77
5457	NASDAQ	AVT	Tue, Jan 28, 2014	41.20	41.33	40.91	41.32
5456	NASDAQ	AVT	Mon, Jan 27, 2014	42.10	42.31	41.19	41.20
5455	NASDAQ	AVT	Fri, Jan 24, 2014	42.81	43.21	41.81	41.97
5454	NASDAQ	AVT	Thu, Jan 23, 2014	45.00	45.47	42.64	42.90
5453	NASDAQ	AVT	Wed, Jan 22, 2014	44.00	44.55	43.81	44.55
5452	NASDAQ	AVT	Tue, Jan 21, 2014	44.27	44.33	43.74	43.97
5451	NASDAQ	AVT	Fri, Jan 17, 2014	43.31	44.10	43.30	44.02
5450	NASDAQ	AVT	Thu, Jan 16, 2014	43.83	44.00	43.43	43.49
5449	NASDAQ	AVT	Wed, Jan 15, 2014	42.97	43.90	42.95	43.89
5448	NASDAQ	AVT	Tue, Jan 14, 2014	42.22	42.96	42.20	42.96
5447	NASDAQ	AVT	Mon, Jan 13, 2014	43.23	43.39	42.02	42.12
5446	NASDAQ	AVT	Fri, Jan 10, 2014	42.83	43.50	42.83	43.30
5445	NASDAQ	AVT	Thu, Jan 9, 2014	42.55	42.76	42.29	42.74
5444	NASDAQ	AVT	Wed, Jan 8, 2014	42.25	42.48	41.66	42.42
5443	NASDAQ	AVT	Tue, Jan 7, 2014	42.34	42.38	41.89	42.15
5442	NASDAQ	AVT	Mon, Jan 6, 2014	42.95	42.95	41.88	42.05
5441	NASDAQ	AVT	Fri, Jan 3, 2014	42.89	42.96	42.27	42.68
5440	NASDAQ	AVT	Thu, Jan 2, 2014	43.93	43.93	42.65	42.76
5439	NASDAQ	AVT	Tue, Dec 31, 2013	43.92	44.47	43.88	44.11
5438	NASDAQ	AVT	Mon, Dec 30, 2013	43.44	43.86	43.27	43.82
5437	NASDAQ	AVT	Fri, Dec 27, 2013	43.24	43.57	43.18	43.43
5436	NASDAQ	AVT	Thu, Dec 26, 2013	43.34	43.54	43.03	43.28
5435	NASDAQ	AVT	Tue, Dec 24, 2013	42.89	43.37	42.89	43.11
5434	NASDAQ	AVT	Mon, Dec 23, 2013	43.12	43.22	42.73	42.92
5433	NASDAQ	AVT	Fri, Dec 20, 2013	42.36	42.94	42.35	42.94
5432	NASDAQ	AVT	Thu, Dec 19, 2013	42.10	42.39	42.04	42.36
5431	NASDAQ	AVT	Wed, Dec 18, 2013	42.28	42.33	41.43	42.27
5430	NASDAQ	AVT	Tue, Dec 17, 2013	41.64	42.25	41.34	42.17
5429	NASDAQ	AVT	Mon, Dec 16, 2013	41.09	41.65	40.86	41.63
5428	NASDAQ	AVT	Fri, Dec 13, 2013	40.60	40.70	40.18	40.66
5427	NASDAQ	AVT	Thu, Dec 12, 2013	41.16	41.18	40.18	40.43
5426	NASDAQ	AVT	Wed, Dec 11, 2013	41.96	42.15	41.03	41.11
5425	NASDAQ	AVT	Tue, Dec 10, 2013	41.42	42.15	41.41	41.96
5424	NASDAQ	AVT	Mon, Dec 9, 2013	41.11	41.75	41.07	41.39
5423	NASDAQ	AVT	Fri, Dec 6, 2013	40.07	41.11	40.07	40.95
5422	NASDAQ	AVT	Thu, Dec 5, 2013	39.68	39.68	39.31	39.56
5421	NASDAQ	AVT	Wed, Dec 4, 2013	39.79	40.03	39.29	39.68
5420	NASDAQ	AVT	Tue, Dec 3, 2013	39.90	40.30	39.81	39.98
5419	NASDAQ	AVT	Mon, Dec 2, 2013	39.78	40.28	39.35	39.93
5418	NASDAQ	AVT	Fri, Nov 29, 2013	40.18	40.28	39.81	39.90
5417	NASDAQ	AVT	Wed, Nov 27, 2013	40.57	40.58	39.92	40.08
5416	NASDAQ	AVT	Tue, Nov 26, 2013	40.81	40.92	40.42	40.43
5415	NASDAQ	AVT	Mon, Nov 25, 2013	40.81	41.00	40.61	40.89
5414	NASDAQ	AVT	Fri, Nov 22, 2013	41.02	41.02	40.37	40.80
5413	NASDAQ	AVT	Thu, Nov 21, 2013	40.68	41.11	40.67	40.93
5412	NASDAQ	AVT	Wed, Nov 20, 2013	40.70	40.98	40.36	40.64
5411	NASDAQ	AVT	Tue, Nov 19, 2013	41.93	42.23	40.39	40.49
5410	NASDAQ	AVT	Mon, Nov 18, 2013	42.11	42.38	41.77	41.94
5409	NASDAQ	AVT	Fri, Nov 15, 2013	41.46	42.02	41.13	42.02
5408	NASDAQ	AVT	Thu, Nov 14, 2013	41.04	41.50	40.90	41.34
5407	NASDAQ	AVT	Wed, Nov 13, 2013	40.86	41.24	40.77	41.17
5406	NASDAQ	AVT	Tue, Nov 12, 2013	40.87	41.10	40.61	41.00
5405	NASDAQ	AVT	Mon, Nov 11, 2013	40.36	41.02	40.21	40.96
5404	NASDAQ	AVT	Fri, Nov 8, 2013	39.56	40.30	39.18	40.30
5403	NASDAQ	AVT	Thu, Nov 7, 2013	39.89	40.16	39.36	39.46
5402	NASDAQ	AVT	Wed, Nov 6, 2013	39.57	39.84	39.36	39.77
5401	NASDAQ	AVT	Tue, Nov 5, 2013	39.45	39.72	39.05	39.33
5400	NASDAQ	AVT	Mon, Nov 4, 2013	39.93	40.05	39.54	39.66
5399	NASDAQ	AVT	Fri, Nov 1, 2013	39.81	39.87	39.33	39.76
5398	NASDAQ	AVT	Thu, Oct 31, 2013	38.99	40.05	38.84	39.70
5397	NASDAQ	AVT	Wed, Oct 30, 2013	39.76	40.01	38.83	38.93
5396	NASDAQ	AVT	Tue, Oct 29, 2013	39.40	40.07	39.38	39.77
5395	NASDAQ	AVT	Mon, Oct 28, 2013	38.90	39.37	38.42	39.36
5394	NASDAQ	AVT	Fri, Oct 25, 2013	38.98	39.22	38.23	38.77
5393	NASDAQ	AVT	Thu, Oct 24, 2013	42.25	42.25	38.73	38.79
5392	NASDAQ	AVT	Wed, Oct 23, 2013	42.44	42.45	41.07	41.14
5391	NASDAQ	AVT	Tue, Oct 22, 2013	42.62	42.78	42.16	42.78
5390	NASDAQ	AVT	Mon, Oct 21, 2013	41.95	42.65	41.88	42.36
5389	NASDAQ	AVT	Fri, Oct 18, 2013	42.05	42.05	41.83	41.97
5388	NASDAQ	AVT	Thu, Oct 17, 2013	41.86	42.04	41.60	41.93
5387	NASDAQ	AVT	Wed, Oct 16, 2013	42.03	42.19	41.59	42.05
5386	NASDAQ	AVT	Tue, Oct 15, 2013	42.26	42.43	41.68	41.84
5385	NASDAQ	AVT	Mon, Oct 14, 2013	41.84	42.59	41.81	42.49
5384	NASDAQ	AVT	Fri, Oct 11, 2013	42.52	42.85	42.22	42.78
5383	NASDAQ	AVT	Thu, Oct 10, 2013	42.20	42.74	42.01	42.68
5382	NASDAQ	AVT	Wed, Oct 9, 2013	41.94	42.05	41.10	41.60
5381	NASDAQ	AVT	Tue, Oct 8, 2013	42.10	42.86	41.32	41.60
5380	NASDAQ	AVT	Mon, Oct 7, 2013	41.97	42.35	41.69	42.04
5379	NASDAQ	AVT	Fri, Oct 4, 2013	42.04	42.62	41.79	42.49
5378	NASDAQ	AVT	Thu, Oct 3, 2013	41.98	42.12	41.55	41.95
5377	NASDAQ	AVT	Wed, Oct 2, 2013	42.30	42.31	41.82	42.22
5376	NASDAQ	AVT	Tue, Oct 1, 2013	41.75	42.74	41.57	42.57
5375	NASDAQ	AVT	Mon, Sep 30, 2013	41.22	41.79	40.93	41.71
5374	NASDAQ	AVT	Fri, Sep 27, 2013	41.51	41.83	41.33	41.73
5373	NASDAQ	AVT	Thu, Sep 26, 2013	41.09	41.93	40.67	41.67
5372	NASDAQ	AVT	Wed, Sep 25, 2013	41.27	41.99	40.98	41.66
5371	NASDAQ	AVT	Tue, Sep 24, 2013	41.08	41.40	40.64	41.20
5370	NASDAQ	AVT	Mon, Sep 23, 2013	41.38	41.40	40.98	41.01
5369	NASDAQ	AVT	Fri, Sep 20, 2013	41.07	41.47	41.07	41.33
5368	NASDAQ	AVT	Thu, Sep 19, 2013	41.55	41.61	41.21	41.51
5367	NASDAQ	AVT	Wed, Sep 18, 2013	41.29	41.49	40.89	41.35
5366	NASDAQ	AVT	Tue, Sep 17, 2013	41.13	41.41	41.13	41.41
5365	NASDAQ	AVT	Mon, Sep 16, 2013	41.62	41.62	41.05	41.13
5364	NASDAQ	AVT	Fri, Sep 13, 2013	41.36	41.54	40.98	41.09
5363	NASDAQ	AVT	Thu, Sep 12, 2013	40.83	41.48	40.83	41.24
5362	NASDAQ	AVT	Wed, Sep 11, 2013	41.37	41.56	41.02	41.30
5361	NASDAQ	AVT	Tue, Sep 10, 2013	41.02	41.77	41.02	41.66
5360	NASDAQ	AVT	Mon, Sep 9, 2013	39.83	40.97	39.67	40.86
5359	NASDAQ	AVT	Fri, Sep 6, 2013	39.43	39.80	38.85	39.59
5358	NASDAQ	AVT	Thu, Sep 5, 2013	39.67	39.86	39.36	39.37
5357	NASDAQ	AVT	Wed, Sep 4, 2013	38.46	39.85	38.42	39.67
5356	NASDAQ	AVT	Tue, Sep 3, 2013	39.10	39.45	38.02	38.38
5355	NASDAQ	AVT	Fri, Aug 30, 2013	39.70	39.70	38.46	38.56
5354	NASDAQ	AVT	Thu, Aug 29, 2013	39.18	39.99	39.16	39.72
5353	NASDAQ	AVT	Wed, Aug 28, 2013	38.43	39.26	38.30	39.21
5352	NASDAQ	AVT	Tue, Aug 27, 2013	39.27	39.35	38.34	38.34
5351	NASDAQ	AVT	Mon, Aug 26, 2013	39.36	39.78	38.86	39.58
5350	NASDAQ	AVT	Fri, Aug 23, 2013	39.44	39.58	39.07	39.38
5349	NASDAQ	AVT	Thu, Aug 22, 2013	38.88	39.52	38.75	39.47
5348	NASDAQ	AVT	Wed, Aug 21, 2013	39.61	39.72	38.70	38.79
5347	NASDAQ	AVT	Tue, Aug 20, 2013	39.21	39.78	39.08	39.75
5346	NASDAQ	AVT	Mon, Aug 19, 2013	38.82	39.32	38.80	39.20
5345	NASDAQ	AVT	Fri, Aug 16, 2013	38.59	38.91	38.50	38.87
5344	NASDAQ	AVT	Thu, Aug 15, 2013	39.23	39.23	38.48	38.57
5343	NASDAQ	AVT	Wed, Aug 14, 2013	39.88	40.01	39.44	39.60
5342	NASDAQ	AVT	Tue, Aug 13, 2013	39.08	39.86	38.88	39.85
5341	NASDAQ	AVT	Mon, Aug 12, 2013	38.80	39.02	38.61	38.99
5340	NASDAQ	AVT	Fri, Aug 9, 2013	38.92	39.20	38.75	38.81
5339	NASDAQ	AVT	Thu, Aug 8, 2013	38.75	39.11	38.21	39.04
5338	NASDAQ	AVT	Wed, Aug 7, 2013	38.47	38.89	38.07	38.28
5337	NASDAQ	AVT	Tue, Aug 6, 2013	38.73	38.87	38.26	38.57
5336	NASDAQ	AVT	Mon, Aug 5, 2013	38.59	38.88	38.46	38.80
5335	NASDAQ	AVT	Fri, Aug 2, 2013	38.94	39.02	38.50	38.81
5334	NASDAQ	AVT	Thu, Aug 1, 2013	38.00	39.27	37.95	39.11
5333	NASDAQ	AVT	Wed, Jul 31, 2013	37.61	38.00	37.37	37.67
5332	NASDAQ	AVT	Tue, Jul 30, 2013	37.30	37.76	37.26	37.52
5331	NASDAQ	AVT	Mon, Jul 29, 2013	37.19	37.39	36.76	37.14
5330	NASDAQ	AVT	Fri, Jul 26, 2013	37.74	37.87	37.13	37.27
5329	NASDAQ	AVT	Thu, Jul 25, 2013	37.50	38.19	37.44	38.00
5328	NASDAQ	AVT	Wed, Jul 24, 2013	37.26	37.57	37.06	37.54
5327	NASDAQ	AVT	Tue, Jul 23, 2013	36.66	37.08	36.58	36.96
5326	NASDAQ	AVT	Mon, Jul 22, 2013	36.55	36.65	36.29	36.60
5325	NASDAQ	AVT	Fri, Jul 19, 2013	36.17	36.59	36.10	36.49
5324	NASDAQ	AVT	Thu, Jul 18, 2013	36.32	36.58	36.07	36.39
5323	NASDAQ	AVT	Wed, Jul 17, 2013	35.89	36.51	35.73	36.40
5322	NASDAQ	AVT	Tue, Jul 16, 2013	35.95	36.13	35.78	35.86
5321	NASDAQ	AVT	Mon, Jul 15, 2013	35.69	36.00	35.47	35.97
5320	NASDAQ	AVT	Fri, Jul 12, 2013	35.43	35.82	35.23	35.73
5319	NASDAQ	AVT	Thu, Jul 11, 2013	35.67	35.78	35.39	35.54
5318	NASDAQ	AVT	Wed, Jul 10, 2013	34.99	35.33	34.91	35.22
5317	NASDAQ	AVT	Tue, Jul 9, 2013	34.70	35.04	34.65	34.99
5316	NASDAQ	AVT	Mon, Jul 8, 2013	35.00	35.00	34.49	34.51
5315	NASDAQ	AVT	Fri, Jul 5, 2013	34.49	35.00	34.45	34.99
5314	NASDAQ	AVT	Wed, Jul 3, 2013	33.80	34.42	33.80	34.24
5313	NASDAQ	AVT	Tue, Jul 2, 2013	34.20	34.55	33.76	33.97
5312	NASDAQ	AVT	Mon, Jul 1, 2013	33.78	34.44	33.78	34.27
5311	NASDAQ	AVT	Fri, Jun 28, 2013	33.71	34.02	33.50	33.60
5310	NASDAQ	AVT	Thu, Jun 27, 2013	33.38	34.13	33.32	33.82
5309	NASDAQ	AVT	Wed, Jun 26, 2013	33.35	33.55	32.94	33.19
5308	NASDAQ	AVT	Tue, Jun 25, 2013	32.89	33.10	32.55	33.03
5307	NASDAQ	AVT	Mon, Jun 24, 2013	32.68	32.84	32.52	32.57
5306	NASDAQ	AVT	Fri, Jun 21, 2013	33.56	33.56	32.75	33.05
5305	NASDAQ	AVT	Thu, Jun 20, 2013	33.51	33.99	33.36	33.40
5304	NASDAQ	AVT	Wed, Jun 19, 2013	34.16	34.42	33.91	33.92
5303	NASDAQ	AVT	Tue, Jun 18, 2013	34.26	34.39	34.14	34.18
5302	NASDAQ	AVT	Mon, Jun 17, 2013	34.31	34.53	34.10	34.24
5301	NASDAQ	AVT	Fri, Jun 14, 2013	33.62	34.21	33.47	34.00
5300	NASDAQ	AVT	Thu, Jun 13, 2013	33.23	33.80	33.06	33.66
5299	NASDAQ	AVT	Wed, Jun 12, 2013	33.92	34.00	33.22	33.24
5298	NASDAQ	AVT	Tue, Jun 11, 2013	33.42	33.92	33.40	33.65
5297	NASDAQ	AVT	Mon, Jun 10, 2013	33.79	33.97	33.52	33.82
5296	NASDAQ	AVT	Fri, Jun 7, 2013	33.49	33.93	33.28	33.71
5295	NASDAQ	AVT	Thu, Jun 6, 2013	33.70	33.92	32.96	33.28
5294	NASDAQ	AVT	Wed, Jun 5, 2013	33.84	33.86	33.40	33.66
5293	NASDAQ	AVT	Tue, Jun 4, 2013	34.22	34.62	33.64	33.96
5292	NASDAQ	AVT	Mon, Jun 3, 2013	34.23	34.24	33.76	34.04
5291	NASDAQ	AVT	Fri, May 31, 2013	34.34	34.66	34.16	34.16
5290	NASDAQ	AVT	Thu, May 30, 2013	33.76	34.57	33.76	34.47
5289	NASDAQ	AVT	Wed, May 29, 2013	33.35	33.73	33.11	33.68
5288	NASDAQ	AVT	Tue, May 28, 2013	33.86	34.05	33.46	33.57
5287	NASDAQ	AVT	Fri, May 24, 2013	33.53	33.70	33.21	33.46
5286	NASDAQ	AVT	Thu, May 23, 2013	33.24	33.90	33.12	33.73
5285	NASDAQ	AVT	Wed, May 22, 2013	33.88	34.15	33.31	33.43
5284	NASDAQ	AVT	Tue, May 21, 2013	33.74	33.81	33.51	33.70
5283	NASDAQ	AVT	Mon, May 20, 2013	34.16	34.24	33.56	33.64
5282	NASDAQ	AVT	Fri, May 17, 2013	33.98	34.40	33.98	34.29
5281	NASDAQ	AVT	Thu, May 16, 2013	33.78	34.46	33.72	33.88
5280	NASDAQ	AVT	Wed, May 15, 2013	32.61	33.81	32.28	33.79
5279	NASDAQ	AVT	Tue, May 14, 2013	32.90	33.07	32.58	32.81
5278	NASDAQ	AVT	Mon, May 13, 2013	33.49	33.53	32.76	32.95
5277	NASDAQ	AVT	Fri, May 10, 2013	33.64	33.94	33.51	33.58
5276	NASDAQ	AVT	Thu, May 9, 2013	33.70	33.92	33.52	33.62
5275	NASDAQ	AVT	Wed, May 8, 2013	32.69	33.73	32.67	33.73
5274	NASDAQ	AVT	Tue, May 7, 2013	32.91	32.98	32.55	32.71
5273	NASDAQ	AVT	Mon, May 6, 2013	32.74	32.92	32.61	32.83
5272	NASDAQ	AVT	Fri, May 3, 2013	32.67	32.93	32.58	32.77
5271	NASDAQ	AVT	Thu, May 2, 2013	32.00	32.64	32.00	32.21
5270	NASDAQ	AVT	Wed, May 1, 2013	32.58	32.58	31.72	31.84
5269	NASDAQ	AVT	Tue, Apr 30, 2013	32.00	32.75	31.71	32.75
5268	NASDAQ	AVT	Mon, Apr 29, 2013	31.99	32.06	31.46	31.99
5267	NASDAQ	AVT	Fri, Apr 26, 2013	32.91	32.91	31.73	31.87
5266	NASDAQ	AVT	Thu, Apr 25, 2013	32.97	33.74	32.55	33.06
5265	NASDAQ	AVT	Wed, Apr 24, 2013	32.11	33.16	32.05	33.07
5264	NASDAQ	AVT	Tue, Apr 23, 2013	32.06	32.31	31.56	32.20
5263	NASDAQ	AVT	Mon, Apr 22, 2013	31.53	32.07	31.02	31.91
5262	NASDAQ	AVT	Fri, Apr 19, 2013	32.13	32.13	31.23	31.54
5261	NASDAQ	AVT	Thu, Apr 18, 2013	32.68	32.68	31.89	31.93
5260	NASDAQ	AVT	Wed, Apr 17, 2013	32.94	33.01	32.00	32.51
5259	NASDAQ	AVT	Tue, Apr 16, 2013	33.42	33.47	32.93	33.28
5258	NASDAQ	AVT	Mon, Apr 15, 2013	33.71	33.83	32.96	33.01
5257	NASDAQ	AVT	Fri, Apr 12, 2013	34.23	34.30	33.75	33.93
5256	NASDAQ	AVT	Thu, Apr 11, 2013	34.48	34.67	34.17	34.31
5255	NASDAQ	AVT	Wed, Apr 10, 2013	34.25	34.86	34.16	34.62
5254	NASDAQ	AVT	Tue, Apr 9, 2013	33.91	34.13	33.61	33.95
5253	NASDAQ	AVT	Mon, Apr 8, 2013	33.58	33.94	33.34	33.94
5252	NASDAQ	AVT	Fri, Apr 5, 2013	33.43	33.72	33.18	33.49
5251	NASDAQ	AVT	Thu, Apr 4, 2013	33.99	34.24	33.76	34.11
5250	NASDAQ	AVT	Wed, Apr 3, 2013	35.05	35.21	34.25	34.29
5249	NASDAQ	AVT	Tue, Apr 2, 2013	35.48	35.52	34.91	35.04
5248	NASDAQ	AVT	Mon, Apr 1, 2013	36.13	36.22	35.16	35.39
5247	NASDAQ	AVT	Thu, Mar 28, 2013	35.44	36.31	35.20	36.20
5246	NASDAQ	AVT	Wed, Mar 27, 2013	35.09	35.59	34.80	35.54
5245	NASDAQ	AVT	Tue, Mar 26, 2013	35.44	35.56	35.06	35.31
5244	NASDAQ	AVT	Mon, Mar 25, 2013	35.69	35.84	34.91	35.22
5243	NASDAQ	AVT	Fri, Mar 22, 2013	36.25	36.38	35.57	35.69
5242	NASDAQ	AVT	Thu, Mar 21, 2013	36.18	36.55	35.85	36.15
5241	NASDAQ	AVT	Wed, Mar 20, 2013	36.35	36.65	36.14	36.58
5240	NASDAQ	AVT	Tue, Mar 19, 2013	36.24	36.38	35.69	36.11
5239	NASDAQ	AVT	Mon, Mar 18, 2013	35.92	36.41	35.79	36.17
5238	NASDAQ	AVT	Fri, Mar 15, 2013	36.84	36.84	36.24	36.43
5237	NASDAQ	AVT	Thu, Mar 14, 2013	36.18	36.86	36.18	36.86
5236	NASDAQ	AVT	Wed, Mar 13, 2013	36.06	36.22	35.87	36.16
5235	NASDAQ	AVT	Tue, Mar 12, 2013	36.08	36.14	35.82	36.07
5234	NASDAQ	AVT	Mon, Mar 11, 2013	36.10	36.16	35.80	36.14
5233	NASDAQ	AVT	Fri, Mar 8, 2013	36.50	36.50	35.93	36.25
5232	NASDAQ	AVT	Thu, Mar 7, 2013	35.84	36.40	35.68	36.24
5231	NASDAQ	AVT	Wed, Mar 6, 2013	35.13	35.78	35.05	35.64
5230	NASDAQ	AVT	Tue, Mar 5, 2013	34.31	35.03	34.31	34.95
5229	NASDAQ	AVT	Mon, Mar 4, 2013	34.39	34.62	33.92	34.14
5228	NASDAQ	AVT	Fri, Mar 1, 2013	34.98	35.09	34.17	34.50
5227	NASDAQ	AVT	Thu, Feb 28, 2013	35.15	35.76	35.03	35.31
5226	NASDAQ	AVT	Wed, Feb 27, 2013	34.73	35.40	34.62	35.18
5225	NASDAQ	AVT	Tue, Feb 26, 2013	34.63	34.97	34.29	34.82
5224	NASDAQ	AVT	Mon, Feb 25, 2013	35.76	35.76	34.42	34.42
5223	NASDAQ	AVT	Fri, Feb 22, 2013	35.57	35.71	35.30	35.63
5222	NASDAQ	AVT	Thu, Feb 21, 2013	35.78	35.92	35.23	35.34
5221	NASDAQ	AVT	Wed, Feb 20, 2013	36.24	36.50	35.80	35.88
5220	NASDAQ	AVT	Tue, Feb 19, 2013	36.29	36.54	36.20	36.34
5219	NASDAQ	AVT	Fri, Feb 15, 2013	36.44	36.50	36.05	36.18
5218	NASDAQ	AVT	Thu, Feb 14, 2013	36.26	36.47	36.26	36.32
5217	NASDAQ	AVT	Wed, Feb 13, 2013	36.52	36.52	36.03	36.33
5216	NASDAQ	AVT	Tue, Feb 12, 2013	36.20	36.66	36.06	36.40
5215	NASDAQ	AVT	Mon, Feb 11, 2013	36.44	36.48	36.15	36.23
5214	NASDAQ	AVT	Fri, Feb 8, 2013	36.43	36.60	36.27	36.39
5213	NASDAQ	AVT	Thu, Feb 7, 2013	36.30	36.41	35.96	36.35
5212	NASDAQ	AVT	Wed, Feb 6, 2013	36.30	36.59	36.20	36.40
5211	NASDAQ	AVT	Tue, Feb 5, 2013	35.79	36.60	35.79	36.56
5210	NASDAQ	AVT	Mon, Feb 4, 2013	35.69	36.00	35.38	35.51
5209	NASDAQ	AVT	Fri, Feb 1, 2013	35.68	36.11	35.37	35.99
5208	NASDAQ	AVT	Thu, Jan 31, 2013	35.30	35.45	35.14	35.36
5207	NASDAQ	AVT	Wed, Jan 30, 2013	35.46	35.65	35.25	35.27
5206	NASDAQ	AVT	Tue, Jan 29, 2013	35.23	35.64	34.86	35.39
5205	NASDAQ	AVT	Mon, Jan 28, 2013	35.50	35.68	35.27	35.38
5204	NASDAQ	AVT	Fri, Jan 25, 2013	34.91	35.50	34.75	35.46
5203	NASDAQ	AVT	Thu, Jan 24, 2013	33.55	35.18	33.32	34.40
5202	NASDAQ	AVT	Wed, Jan 23, 2013	32.32	32.32	31.91	32.17
5201	NASDAQ	AVT	Tue, Jan 22, 2013	32.04	32.63	31.87	32.41
5200	NASDAQ	AVT	Fri, Jan 18, 2013	32.04	32.24	31.84	32.07
5199	NASDAQ	AVT	Thu, Jan 17, 2013	31.84	32.32	31.82	32.11
5198	NASDAQ	AVT	Wed, Jan 16, 2013	31.87	31.87	31.47	31.66
5197	NASDAQ	AVT	Tue, Jan 15, 2013	31.44	32.01	31.32	31.99
5196	NASDAQ	AVT	Mon, Jan 14, 2013	31.55	31.85	31.50	31.63
5195	NASDAQ	AVT	Fri, Jan 11, 2013	31.33	31.80	31.23	31.74
5194	NASDAQ	AVT	Thu, Jan 10, 2013	31.22	31.54	31.10	31.36
5193	NASDAQ	AVT	Wed, Jan 9, 2013	30.92	31.07	30.79	30.92
5192	NASDAQ	AVT	Tue, Jan 8, 2013	30.97	31.00	30.50	30.78
5191	NASDAQ	AVT	Mon, Jan 7, 2013	31.29	31.41	31.02	31.03
5190	NASDAQ	AVT	Fri, Jan 4, 2013	31.70	31.70	31.36	31.52
5189	NASDAQ	AVT	Thu, Jan 3, 2013	31.99	32.20	31.58	31.69
5188	NASDAQ	AVT	Wed, Jan 2, 2013	31.44	31.90	31.24	31.89
5187	NASDAQ	AVT	Mon, Dec 31, 2012	29.90	30.63	29.72	30.61
5186	NASDAQ	AVT	Fri, Dec 28, 2012	30.38	30.48	29.86	29.88
5185	NASDAQ	AVT	Thu, Dec 27, 2012	30.63	30.75	30.12	30.60
5184	NASDAQ	AVT	Wed, Dec 26, 2012	31.03	31.16	30.53	30.59
5183	NASDAQ	AVT	Mon, Dec 24, 2012	31.17	31.26	30.85	31.03
5182	NASDAQ	AVT	Fri, Dec 21, 2012	31.12	31.18	30.87	31.13
5181	NASDAQ	AVT	Thu, Dec 20, 2012	31.57	31.83	31.15	31.62
5180	NASDAQ	AVT	Wed, Dec 19, 2012	31.44	31.59	31.32	31.49
5179	NASDAQ	AVT	Tue, Dec 18, 2012	30.38	31.43	30.35	31.39
5178	NASDAQ	AVT	Mon, Dec 17, 2012	30.36	30.54	30.11	30.34
5177	NASDAQ	AVT	Fri, Dec 14, 2012	30.54	30.57	30.19	30.25
5176	NASDAQ	AVT	Thu, Dec 13, 2012	30.99	31.29	30.59	30.65
5175	NASDAQ	AVT	Wed, Dec 12, 2012	30.96	31.22	30.77	30.92
5174	NASDAQ	AVT	Tue, Dec 11, 2012	30.69	30.94	30.35	30.88
5173	NASDAQ	AVT	Mon, Dec 10, 2012	30.18	30.44	30.05	30.42
5172	NASDAQ	AVT	Fri, Dec 7, 2012	30.21	30.33	30.00	30.25
5171	NASDAQ	AVT	Thu, Dec 6, 2012	29.77	30.27	29.77	30.14
5170	NASDAQ	AVT	Wed, Dec 5, 2012	29.74	29.88	29.35	29.76
5169	NASDAQ	AVT	Tue, Dec 4, 2012	29.21	29.70	29.16	29.65
5168	NASDAQ	AVT	Mon, Dec 3, 2012	29.58	29.61	28.98	29.31
5167	NASDAQ	AVT	Fri, Nov 30, 2012	29.54	29.69	29.23	29.29
5166	NASDAQ	AVT	Thu, Nov 29, 2012	29.57	29.70	29.17	29.52
5165	NASDAQ	AVT	Wed, Nov 28, 2012	28.94	29.41	28.67	29.37
5164	NASDAQ	AVT	Tue, Nov 27, 2012	28.86	29.34	28.76	29.23
5163	NASDAQ	AVT	Mon, Nov 26, 2012	28.81	29.02	28.61	28.90
5162	NASDAQ	AVT	Fri, Nov 23, 2012	28.72	29.11	28.51	28.97
5161	NASDAQ	AVT	Wed, Nov 21, 2012	28.78	28.92	28.53	28.58
5160	NASDAQ	AVT	Tue, Nov 20, 2012	28.62	28.85	28.33	28.75
5159	NASDAQ	AVT	Mon, Nov 19, 2012	28.34	28.73	28.24	28.73
5158	NASDAQ	AVT	Fri, Nov 16, 2012	28.37	28.37	27.78	28.05
5157	NASDAQ	AVT	Thu, Nov 15, 2012	28.69	28.96	28.24	28.37
5156	NASDAQ	AVT	Wed, Nov 14, 2012	29.50	29.77	28.61	28.63
5155	NASDAQ	AVT	Tue, Nov 13, 2012	29.47	29.97	29.23	29.48
5154	NASDAQ	AVT	Mon, Nov 12, 2012	29.63	29.96	29.32	29.65
5153	NASDAQ	AVT	Fri, Nov 9, 2012	29.33	30.06	29.33	29.64
5152	NASDAQ	AVT	Thu, Nov 8, 2012	29.62	30.00	29.41	29.41
5151	NASDAQ	AVT	Wed, Nov 7, 2012	30.52	30.57	29.60	29.60
5150	NASDAQ	AVT	Tue, Nov 6, 2012	30.18	30.95	29.95	30.94
5149	NASDAQ	AVT	Mon, Nov 5, 2012	29.37	30.21	29.37	30.16
5148	NASDAQ	AVT	Fri, Nov 2, 2012	29.60	29.68	29.33	29.38
5147	NASDAQ	AVT	Thu, Nov 1, 2012	28.72	29.70	28.38	29.64
5146	NASDAQ	AVT	Wed, Oct 31, 2012	28.56	28.85	28.38	28.65
5145	NASDAQ	AVT	Fri, Oct 26, 2012	28.53	28.91	28.38	28.44
5144	NASDAQ	AVT	Thu, Oct 25, 2012	28.60	29.18	28.31	28.53
5143	NASDAQ	AVT	Wed, Oct 24, 2012	28.00	28.04	27.46	27.89
5142	NASDAQ	AVT	Tue, Oct 23, 2012	27.83	28.06	27.54	27.86
5141	NASDAQ	AVT	Mon, Oct 22, 2012	27.92	28.18	27.82	28.09
5140	NASDAQ	AVT	Fri, Oct 19, 2012	27.91	28.24	27.74	27.85
5139	NASDAQ	AVT	Thu, Oct 18, 2012	28.10	28.26	27.95	28.09
5138	NASDAQ	AVT	Wed, Oct 17, 2012	27.99	28.15	27.71	28.07
5137	NASDAQ	AVT	Tue, Oct 16, 2012	27.12	28.04	27.12	28.00
5136	NASDAQ	AVT	Mon, Oct 15, 2012	27.05	27.56	26.97	27.07
5135	NASDAQ	AVT	Fri, Oct 12, 2012	26.93	27.16	26.87	27.01
5134	NASDAQ	AVT	Thu, Oct 11, 2012	27.56	28.04	27.10	27.28
5133	NASDAQ	AVT	Wed, Oct 10, 2012	25.71	27.69	25.41	27.33
5132	NASDAQ	AVT	Tue, Oct 9, 2012	28.71	28.77	28.22	28.57
5131	NASDAQ	AVT	Mon, Oct 8, 2012	28.94	29.12	28.71	28.85
5130	NASDAQ	AVT	Fri, Oct 5, 2012	29.28	29.47	29.10	29.15
5129	NASDAQ	AVT	Thu, Oct 4, 2012	28.70	29.22	28.47	29.21
5128	NASDAQ	AVT	Wed, Oct 3, 2012	28.85	29.00	28.50	28.57
5127	NASDAQ	AVT	Tue, Oct 2, 2012	28.66	28.95	28.48	28.79
5126	NASDAQ	AVT	Mon, Oct 1, 2012	29.09	29.19	28.27	28.52
5125	NASDAQ	AVT	Fri, Sep 28, 2012	29.10	29.38	29.00	29.09
5124	NASDAQ	AVT	Thu, Sep 27, 2012	28.98	29.33	28.83	29.30
5123	NASDAQ	AVT	Wed, Sep 26, 2012	28.93	29.10	28.39	28.91
5122	NASDAQ	AVT	Tue, Sep 25, 2012	30.01	30.03	28.64	28.93
5121	NASDAQ	AVT	Mon, Sep 24, 2012	30.47	30.50	29.75	29.79
5120	NASDAQ	AVT	Fri, Sep 21, 2012	30.92	31.24	30.76	30.82
5119	NASDAQ	AVT	Thu, Sep 20, 2012	30.75	30.91	30.46	30.68
5118	NASDAQ	AVT	Wed, Sep 19, 2012	31.57	31.57	30.85	30.99
5117	NASDAQ	AVT	Tue, Sep 18, 2012	32.14	32.26	31.58	31.63
5116	NASDAQ	AVT	Mon, Sep 17, 2012	33.29	33.30	32.58	32.62
5115	NASDAQ	AVT	Fri, Sep 14, 2012	32.91	33.48	32.89	33.37
5114	NASDAQ	AVT	Thu, Sep 13, 2012	32.61	33.17	32.23	32.85
5113	NASDAQ	AVT	Wed, Sep 12, 2012	32.52	32.94	32.52	32.72
5112	NASDAQ	AVT	Tue, Sep 11, 2012	32.38	32.78	32.34	32.49
5111	NASDAQ	AVT	Mon, Sep 10, 2012	32.72	33.00	32.38	32.39
5110	NASDAQ	AVT	Fri, Sep 7, 2012	32.71	33.08	32.55	32.76
5109	NASDAQ	AVT	Thu, Sep 6, 2012	32.16	33.17	32.07	32.80
5108	NASDAQ	AVT	Wed, Sep 5, 2012	32.03	32.14	31.73	31.94
5107	NASDAQ	AVT	Tue, Sep 4, 2012	32.10	32.20	31.40	31.94
5106	NASDAQ	AVT	Fri, Aug 31, 2012	32.17	32.44	31.79	32.21
5105	NASDAQ	AVT	Thu, Aug 30, 2012	32.42	32.50	31.73	31.82
5104	NASDAQ	AVT	Wed, Aug 29, 2012	32.37	32.78	32.25	32.66
5103	NASDAQ	AVT	Tue, Aug 28, 2012	32.08	32.44	32.03	32.27
5102	NASDAQ	AVT	Mon, Aug 27, 2012	32.59	32.62	32.14	32.16
5101	NASDAQ	AVT	Fri, Aug 24, 2012	32.36	32.61	32.21	32.45
5100	NASDAQ	AVT	Thu, Aug 23, 2012	32.28	32.63	31.93	32.36
5099	NASDAQ	AVT	Wed, Aug 22, 2012	33.14	33.18	32.21	32.25
5098	NASDAQ	AVT	Tue, Aug 21, 2012	33.51	33.83	33.02	33.16
5097	NASDAQ	AVT	Mon, Aug 20, 2012	33.41	33.56	33.25	33.51
5096	NASDAQ	AVT	Fri, Aug 17, 2012	33.27	33.47	33.19	33.43
5095	NASDAQ	AVT	Thu, Aug 16, 2012	32.74	33.38	32.68	33.21
5094	NASDAQ	AVT	Wed, Aug 15, 2012	32.44	32.99	32.44	32.82
5093	NASDAQ	AVT	Tue, Aug 14, 2012	32.70	32.88	32.45	32.53
5092	NASDAQ	AVT	Mon, Aug 13, 2012	32.40	32.61	31.93	32.51
5091	NASDAQ	AVT	Fri, Aug 10, 2012	32.32	32.61	31.82	32.52
5090	NASDAQ	AVT	Thu, Aug 9, 2012	30.99	32.57	30.91	32.43
5089	NASDAQ	AVT	Wed, Aug 8, 2012	30.37	30.96	29.20	30.89
5088	NASDAQ	AVT	Tue, Aug 7, 2012	32.52	32.99	32.49	32.73
5087	NASDAQ	AVT	Mon, Aug 6, 2012	31.91	32.57	31.91	32.34
5086	NASDAQ	AVT	Fri, Aug 3, 2012	31.58	32.00	31.56	31.86
5085	NASDAQ	AVT	Thu, Aug 2, 2012	30.78	31.44	30.60	30.99
5084	NASDAQ	AVT	Wed, Aug 1, 2012	31.41	32.09	31.14	31.23
5083	NASDAQ	AVT	Tue, Jul 31, 2012	31.72	32.08	31.49	31.50
5082	NASDAQ	AVT	Mon, Jul 30, 2012	31.76	32.22	31.70	31.85
5081	NASDAQ	AVT	Fri, Jul 27, 2012	31.28	32.25	31.16	31.86
5080	NASDAQ	AVT	Thu, Jul 26, 2012	30.83	31.36	30.60	30.99
5079	NASDAQ	AVT	Wed, Jul 25, 2012	29.90	30.56	29.77	30.36
5078	NASDAQ	AVT	Tue, Jul 24, 2012	30.28	30.35	29.53	29.93
5077	NASDAQ	AVT	Mon, Jul 23, 2012	30.01	30.42	29.50	30.28
5076	NASDAQ	AVT	Fri, Jul 20, 2012	30.67	31.00	30.56	30.69
5075	NASDAQ	AVT	Thu, Jul 19, 2012	30.71	31.42	30.64	30.96
5074	NASDAQ	AVT	Wed, Jul 18, 2012	29.70	30.92	29.65	30.57
5073	NASDAQ	AVT	Tue, Jul 17, 2012	30.02	30.18	29.44	29.71
5072	NASDAQ	AVT	Mon, Jul 16, 2012	29.89	30.01	29.62	29.90
5071	NASDAQ	AVT	Fri, Jul 13, 2012	29.94	30.21	29.91	30.03
5070	NASDAQ	AVT	Thu, Jul 12, 2012	30.23	30.34	29.65	29.93
5069	NASDAQ	AVT	Wed, Jul 11, 2012	30.95	31.09	30.19	30.50
5068	NASDAQ	AVT	Tue, Jul 10, 2012	31.63	31.94	30.75	30.98
5067	NASDAQ	AVT	Mon, Jul 9, 2012	31.41	31.66	31.15	31.54
5066	NASDAQ	AVT	Fri, Jul 6, 2012	31.86	32.14	31.27	31.60
5065	NASDAQ	AVT	Thu, Jul 5, 2012	32.04	32.53	31.93	32.25
5064	NASDAQ	AVT	Tue, Jul 3, 2012	31.43	32.40	31.37	32.16
5063	NASDAQ	AVT	Mon, Jul 2, 2012	31.11	31.66	30.60	31.39
5062	NASDAQ	AVT	Fri, Jun 29, 2012	30.48	30.97	30.35	30.86
5061	NASDAQ	AVT	Thu, Jun 28, 2012	30.34	30.55	29.48	29.90
5060	NASDAQ	AVT	Wed, Jun 27, 2012	30.33	30.59	30.15	30.45
5059	NASDAQ	AVT	Tue, Jun 26, 2012	30.09	30.55	29.91	30.21
5058	NASDAQ	AVT	Mon, Jun 25, 2012	30.49	30.57	29.94	30.09
5057	NASDAQ	AVT	Fri, Jun 22, 2012	30.66	31.07	30.66	30.86
5056	NASDAQ	AVT	Thu, Jun 21, 2012	32.28	32.31	30.42	30.54
5055	NASDAQ	AVT	Wed, Jun 20, 2012	31.90	32.39	31.80	32.31
5054	NASDAQ	AVT	Tue, Jun 19, 2012	31.44	32.03	31.44	31.83
5053	NASDAQ	AVT	Mon, Jun 18, 2012	30.97	31.57	30.88	31.54
5052	NASDAQ	AVT	Fri, Jun 15, 2012	30.76	31.42	30.75	31.19
5051	NASDAQ	AVT	Thu, Jun 14, 2012	30.65	30.83	30.33	30.75
5050	NASDAQ	AVT	Wed, Jun 13, 2012	30.84	30.96	30.52	30.64
5049	NASDAQ	AVT	Tue, Jun 12, 2012	30.37	31.03	30.31	30.88
5048	NASDAQ	AVT	Mon, Jun 11, 2012	30.90	31.17	30.17	30.19
5047	NASDAQ	AVT	Fri, Jun 8, 2012	30.30	30.75	30.13	30.70
5046	NASDAQ	AVT	Thu, Jun 7, 2012	30.90	31.00	30.35	30.38
5045	NASDAQ	AVT	Wed, Jun 6, 2012	30.01	30.72	29.90	30.50
5044	NASDAQ	AVT	Tue, Jun 5, 2012	29.07	29.78	29.04	29.77
5043	NASDAQ	AVT	Mon, Jun 4, 2012	29.65	29.91	28.85	29.23
5042	NASDAQ	AVT	Fri, Jun 1, 2012	29.90	30.05	29.56	29.61
5041	NASDAQ	AVT	Thu, May 31, 2012	30.75	30.76	30.12	30.49
5040	NASDAQ	AVT	Wed, May 30, 2012	31.01	31.10	30.64	30.74
5039	NASDAQ	AVT	Tue, May 29, 2012	30.88	31.28	30.78	31.16
5038	NASDAQ	AVT	Fri, May 25, 2012	30.66	30.92	30.50	30.55
5037	NASDAQ	AVT	Thu, May 24, 2012	30.66	30.75	30.33	30.66
5036	NASDAQ	AVT	Wed, May 23, 2012	30.49	30.74	30.05	30.60
5035	NASDAQ	AVT	Tue, May 22, 2012	31.00	31.11	30.60	30.85
5034	NASDAQ	AVT	Mon, May 21, 2012	30.42	30.99	30.18	30.91
5033	NASDAQ	AVT	Fri, May 18, 2012	30.90	30.92	30.23	30.31
5032	NASDAQ	AVT	Thu, May 17, 2012	31.96	31.99	30.85	30.85
5031	NASDAQ	AVT	Wed, May 16, 2012	33.21	33.21	31.89	31.89
5030	NASDAQ	AVT	Tue, May 15, 2012	33.10	33.37	32.85	33.01
5029	NASDAQ	AVT	Mon, May 14, 2012	32.95	33.43	32.69	33.03
5028	NASDAQ	AVT	Fri, May 11, 2012	33.35	33.92	33.16	33.26
5027	NASDAQ	AVT	Thu, May 10, 2012	34.17	34.17	33.42	33.55
5026	NASDAQ	AVT	Wed, May 9, 2012	33.58	34.02	33.09	33.87
5025	NASDAQ	AVT	Tue, May 8, 2012	33.97	34.09	33.40	33.98
5024	NASDAQ	AVT	Mon, May 7, 2012	34.65	34.73	33.99	34.15
5023	NASDAQ	AVT	Fri, May 4, 2012	34.91	35.18	34.19	34.74
5022	NASDAQ	AVT	Thu, May 3, 2012	35.93	36.11	35.10	35.13
5021	NASDAQ	AVT	Wed, May 2, 2012	35.64	35.97	35.46	35.87
5020	NASDAQ	AVT	Tue, May 1, 2012	36.06	36.51	35.72	35.82
5019	NASDAQ	AVT	Mon, Apr 30, 2012	36.64	36.64	35.92	36.08
5018	NASDAQ	AVT	Fri, Apr 27, 2012	36.75	36.85	36.35	36.65
5017	NASDAQ	AVT	Thu, Apr 26, 2012	35.24	36.77	35.21	36.49
5016	NASDAQ	AVT	Wed, Apr 25, 2012	35.30	35.42	34.94	35.17
5015	NASDAQ	AVT	Tue, Apr 24, 2012	35.07	35.23	34.67	34.86
5014	NASDAQ	AVT	Mon, Apr 23, 2012	34.71	35.11	34.44	35.08
5013	NASDAQ	AVT	Fri, Apr 20, 2012	35.56	35.67	35.24	35.29
5012	NASDAQ	AVT	Thu, Apr 19, 2012	35.64	36.00	34.93	35.29
5011	NASDAQ	AVT	Wed, Apr 18, 2012	35.12	35.78	35.08	35.60
5010	NASDAQ	AVT	Tue, Apr 17, 2012	34.88	35.59	34.85	35.42
5009	NASDAQ	AVT	Mon, Apr 16, 2012	35.22	35.30	34.38	34.59
5008	NASDAQ	AVT	Fri, Apr 13, 2012	35.25	35.46	34.88	35.02
5007	NASDAQ	AVT	Thu, Apr 12, 2012	34.66	35.52	34.66	35.29
5006	NASDAQ	AVT	Wed, Apr 11, 2012	34.70	35.00	34.48	34.83
5005	NASDAQ	AVT	Tue, Apr 10, 2012	34.52	34.87	34.18	34.25
5004	NASDAQ	AVT	Mon, Apr 9, 2012	34.59	34.95	34.43	34.61
5003	NASDAQ	AVT	Thu, Apr 5, 2012	35.57	35.98	35.19	35.22
5002	NASDAQ	AVT	Wed, Apr 4, 2012	35.58	35.74	35.22	35.67
5001	NASDAQ	AVT	Tue, Apr 3, 2012	36.30	36.49	35.57	35.99
5000	NASDAQ	AVT	Mon, Apr 2, 2012	36.34	36.70	35.85	36.31
4999	NASDAQ	AVT	Fri, Mar 30, 2012	36.53	36.73	36.13	36.39
4998	NASDAQ	AVT	Thu, Mar 29, 2012	35.93	36.37	35.82	36.32
4997	NASDAQ	AVT	Wed, Mar 28, 2012	36.83	36.83	36.04	36.28
4996	NASDAQ	AVT	Tue, Mar 27, 2012	36.85	37.03	36.63	36.77
4995	NASDAQ	AVT	Mon, Mar 26, 2012	36.30	36.88	36.16	36.83
4994	NASDAQ	AVT	Fri, Mar 23, 2012	36.14	36.14	35.50	35.96
4993	NASDAQ	AVT	Thu, Mar 22, 2012	36.18	36.36	35.72	36.04
4992	NASDAQ	AVT	Wed, Mar 21, 2012	36.68	36.79	36.32	36.50
4991	NASDAQ	AVT	Tue, Mar 20, 2012	35.75	36.73	35.69	36.61
4990	NASDAQ	AVT	Mon, Mar 19, 2012	35.92	36.39	35.73	35.96
4989	NASDAQ	AVT	Fri, Mar 16, 2012	36.05	36.29	35.70	35.80
4988	NASDAQ	AVT	Thu, Mar 15, 2012	35.95	36.32	35.69	36.15
4987	NASDAQ	AVT	Wed, Mar 14, 2012	36.05	36.33	35.66	35.86
4986	NASDAQ	AVT	Tue, Mar 13, 2012	35.56	36.04	35.48	36.02
4985	NASDAQ	AVT	Mon, Mar 12, 2012	35.56	35.60	35.01	35.33
4984	NASDAQ	AVT	Fri, Mar 9, 2012	35.51	35.83	35.32	35.52
4983	NASDAQ	AVT	Thu, Mar 8, 2012	35.00	35.56	34.92	35.35
4982	NASDAQ	AVT	Wed, Mar 7, 2012	34.45	34.85	34.22	34.70
4981	NASDAQ	AVT	Tue, Mar 6, 2012	34.49	34.64	33.99	34.22
4980	NASDAQ	AVT	Mon, Mar 5, 2012	35.60	35.60	34.74	34.94
4979	NASDAQ	AVT	Fri, Mar 2, 2012	35.92	36.34	35.54	35.70
4978	NASDAQ	AVT	Thu, Mar 1, 2012	35.88	36.27	35.79	36.04
4977	NASDAQ	AVT	Wed, Feb 29, 2012	35.71	36.23	35.56	35.74
4976	NASDAQ	AVT	Tue, Feb 28, 2012	35.54	35.83	35.26	35.64
4975	NASDAQ	AVT	Mon, Feb 27, 2012	35.87	35.89	35.20	35.54
4974	NASDAQ	AVT	Fri, Feb 24, 2012	36.24	36.36	35.88	36.27
4973	NASDAQ	AVT	Thu, Feb 23, 2012	35.61	36.08	35.24	36.06
4972	NASDAQ	AVT	Wed, Feb 22, 2012	35.69	36.12	35.38	35.61
4971	NASDAQ	AVT	Tue, Feb 21, 2012	35.88	36.38	35.77	35.83
4970	NASDAQ	AVT	Fri, Feb 17, 2012	36.50	36.59	35.58	35.77
4969	NASDAQ	AVT	Thu, Feb 16, 2012	35.97	36.39	35.62	36.32
4968	NASDAQ	AVT	Wed, Feb 15, 2012	36.13	36.81	35.81	36.00
4967	NASDAQ	AVT	Tue, Feb 14, 2012	35.87	36.12	35.42	35.94
4966	NASDAQ	AVT	Mon, Feb 13, 2012	36.17	36.34	35.53	36.02
4965	NASDAQ	AVT	Fri, Feb 10, 2012	35.92	36.36	35.58	35.73
4964	NASDAQ	AVT	Thu, Feb 9, 2012	36.32	36.62	36.14	36.50
4963	NASDAQ	AVT	Wed, Feb 8, 2012	36.13	36.61	35.94	36.20
4962	NASDAQ	AVT	Tue, Feb 7, 2012	36.00	36.00	35.52	35.89
4961	NASDAQ	AVT	Mon, Feb 6, 2012	36.04	36.26	35.81	36.09
4960	NASDAQ	AVT	Fri, Feb 3, 2012	36.12	36.57	35.94	36.22
4959	NASDAQ	AVT	Thu, Feb 2, 2012	35.71	35.92	35.36	35.67
4958	NASDAQ	AVT	Wed, Feb 1, 2012	35.11	35.81	35.00	35.72
4957	NASDAQ	AVT	Tue, Jan 31, 2012	35.14	35.60	34.66	34.87
4956	NASDAQ	AVT	Mon, Jan 30, 2012	34.56	34.90	33.90	34.81
4955	NASDAQ	AVT	Fri, Jan 27, 2012	33.56	35.17	33.51	34.96
4954	NASDAQ	AVT	Thu, Jan 26, 2012	34.15	34.18	33.00	33.60
4953	NASDAQ	AVT	Wed, Jan 25, 2012	33.41	33.88	32.87	33.83
4952	NASDAQ	AVT	Tue, Jan 24, 2012	33.40	33.80	33.33	33.55
4951	NASDAQ	AVT	Mon, Jan 23, 2012	33.66	33.99	33.11	33.60
4950	NASDAQ	AVT	Fri, Jan 20, 2012	34.01	34.39	33.83	33.93
4949	NASDAQ	AVT	Thu, Jan 19, 2012	33.93	34.23	33.54	34.09
4948	NASDAQ	AVT	Wed, Jan 18, 2012	31.46	34.10	31.42	33.96
4947	NASDAQ	AVT	Tue, Jan 17, 2012	31.60	31.92	31.23	31.33
4946	NASDAQ	AVT	Fri, Jan 13, 2012	31.56	31.79	31.17	31.41
4945	NASDAQ	AVT	Thu, Jan 12, 2012	32.22	32.30	31.64	31.97
4944	NASDAQ	AVT	Wed, Jan 11, 2012	32.14	32.54	31.86	32.04
4943	NASDAQ	AVT	Tue, Jan 10, 2012	32.23	32.32	31.77	32.16
4942	NASDAQ	AVT	Mon, Jan 9, 2012	31.72	32.05	31.57	31.77
4941	NASDAQ	AVT	Fri, Jan 6, 2012	31.36	31.97	30.53	31.78
4940	NASDAQ	AVT	Thu, Jan 5, 2012	30.86	31.50	30.20	31.46
4939	NASDAQ	AVT	Wed, Jan 4, 2012	31.16	31.40	30.75	31.02
4938	NASDAQ	AVT	Tue, Jan 3, 2012	31.79	31.96	30.90	31.16
4937	NASDAQ	AVT	Fri, Dec 30, 2011	31.26	31.35	31.03	31.09
4936	NASDAQ	AVT	Thu, Dec 29, 2011	30.84	31.62	30.72	31.28
4935	NASDAQ	AVT	Wed, Dec 28, 2011	31.36	31.36	30.60	30.76
4934	NASDAQ	AVT	Tue, Dec 27, 2011	31.32	31.71	31.09	31.45
4933	NASDAQ	AVT	Fri, Dec 23, 2011	30.98	31.43	30.87	31.37
4932	NASDAQ	AVT	Thu, Dec 22, 2011	30.17	31.14	30.14	30.89
4931	NASDAQ	AVT	Wed, Dec 21, 2011	30.07	30.24	29.42	30.15
4930	NASDAQ	AVT	Tue, Dec 20, 2011	29.18	30.37	29.08	30.24
4929	NASDAQ	AVT	Mon, Dec 19, 2011	29.19	29.33	28.49	28.55
4928	NASDAQ	AVT	Fri, Dec 16, 2011	29.04	29.26	28.90	29.08
4927	NASDAQ	AVT	Thu, Dec 15, 2011	28.68	29.16	28.55	28.79
4926	NASDAQ	AVT	Wed, Dec 14, 2011	29.43	29.43	28.29	28.32
4925	NASDAQ	AVT	Tue, Dec 13, 2011	30.42	30.72	29.11	29.29
4924	NASDAQ	AVT	Mon, Dec 12, 2011	30.21	30.29	29.75	30.11
4923	NASDAQ	AVT	Fri, Dec 9, 2011	30.28	30.87	29.97	30.70
4922	NASDAQ	AVT	Thu, Dec 8, 2011	31.03	31.30	30.14	30.37
4921	NASDAQ	AVT	Wed, Dec 7, 2011	30.69	31.50	30.37	31.37
4920	NASDAQ	AVT	Tue, Dec 6, 2011	31.14	31.26	30.66	31.00
4919	NASDAQ	AVT	Mon, Dec 5, 2011	30.80	31.45	30.50	31.16
4918	NASDAQ	AVT	Fri, Dec 2, 2011	29.76	30.20	29.42	30.01
4917	NASDAQ	AVT	Thu, Dec 1, 2011	29.80	30.06	29.28	29.35
4916	NASDAQ	AVT	Wed, Nov 30, 2011	29.21	29.84	29.09	29.79
4915	NASDAQ	AVT	Tue, Nov 29, 2011	28.20	28.49	27.89	28.07
4914	NASDAQ	AVT	Mon, Nov 28, 2011	28.00	28.39	27.79	28.16
4913	NASDAQ	AVT	Fri, Nov 25, 2011	26.89	27.67	26.78	27.02
4912	NASDAQ	AVT	Wed, Nov 23, 2011	27.68	27.81	26.93	27.00
4911	NASDAQ	AVT	Tue, Nov 22, 2011	28.46	28.74	27.98	28.12
4910	NASDAQ	AVT	Mon, Nov 21, 2011	28.37	28.73	27.93	28.48
4909	NASDAQ	AVT	Fri, Nov 18, 2011	29.74	29.87	29.14	29.15
4908	NASDAQ	AVT	Thu, Nov 17, 2011	30.18	30.34	29.26	29.44
4907	NASDAQ	AVT	Wed, Nov 16, 2011	30.47	31.01	30.16	30.35
4906	NASDAQ	AVT	Tue, Nov 15, 2011	30.07	31.25	30.07	31.00
4905	NASDAQ	AVT	Mon, Nov 14, 2011	30.61	30.89	30.02	30.32
4904	NASDAQ	AVT	Fri, Nov 11, 2011	30.11	31.10	29.96	30.84
4903	NASDAQ	AVT	Thu, Nov 10, 2011	30.00	30.16	29.44	29.62
4902	NASDAQ	AVT	Wed, Nov 9, 2011	30.43	30.66	29.35	29.55
4901	NASDAQ	AVT	Tue, Nov 8, 2011	30.99	31.44	30.52	31.30
4900	NASDAQ	AVT	Mon, Nov 7, 2011	30.80	30.91	29.88	30.70
4899	NASDAQ	AVT	Fri, Nov 4, 2011	30.98	31.30	30.49	30.92
4898	NASDAQ	AVT	Thu, Nov 3, 2011	30.31	31.48	29.78	31.30
4897	NASDAQ	AVT	Wed, Nov 2, 2011	29.89	30.36	29.59	29.87
4896	NASDAQ	AVT	Tue, Nov 1, 2011	29.38	29.94	29.01	29.39
4895	NASDAQ	AVT	Mon, Oct 31, 2011	30.41	31.24	30.31	30.31
4894	NASDAQ	AVT	Fri, Oct 28, 2011	32.45	32.60	30.59	31.01
4893	NASDAQ	AVT	Thu, Oct 27, 2011	31.71	32.50	31.40	32.50
4892	NASDAQ	AVT	Wed, Oct 26, 2011	30.31	31.16	30.11	30.62
4891	NASDAQ	AVT	Tue, Oct 25, 2011	30.45	30.48	29.50	29.54
4890	NASDAQ	AVT	Mon, Oct 24, 2011	30.20	30.65	30.06	30.51
4889	NASDAQ	AVT	Fri, Oct 21, 2011	28.97	30.12	28.83	30.06
4888	NASDAQ	AVT	Thu, Oct 20, 2011	28.48	28.74	27.77	28.54
4887	NASDAQ	AVT	Wed, Oct 19, 2011	29.36	29.48	28.46	28.50
4886	NASDAQ	AVT	Tue, Oct 18, 2011	29.39	29.82	28.24	29.55
4885	NASDAQ	AVT	Mon, Oct 17, 2011	30.18	30.34	29.15	29.46
4884	NASDAQ	AVT	Fri, Oct 14, 2011	29.90	30.61	29.82	30.48
4883	NASDAQ	AVT	Thu, Oct 13, 2011	29.08	29.68	28.70	29.49
4882	NASDAQ	AVT	Wed, Oct 12, 2011	28.78	29.72	28.78	29.36
4881	NASDAQ	AVT	Tue, Oct 11, 2011	28.98	29.64	28.03	28.54
4880	NASDAQ	AVT	Mon, Oct 10, 2011	29.04	29.55	28.91	29.53
4879	NASDAQ	AVT	Fri, Oct 7, 2011	28.12	28.68	27.93	28.30
4878	NASDAQ	AVT	Thu, Oct 6, 2011	27.48	28.00	27.21	27.94
4877	NASDAQ	AVT	Wed, Oct 5, 2011	26.24	27.61	25.86	27.48
4876	NASDAQ	AVT	Tue, Oct 4, 2011	24.41	26.17	24.41	26.17
4875	NASDAQ	AVT	Mon, Oct 3, 2011	25.91	25.91	24.55	24.77
4874	NASDAQ	AVT	Fri, Sep 30, 2011	26.65	26.92	26.07	26.08
4873	NASDAQ	AVT	Thu, Sep 29, 2011	27.99	28.12	26.52	27.18
4872	NASDAQ	AVT	Wed, Sep 28, 2011	27.69	28.11	27.00	27.23
4871	NASDAQ	AVT	Tue, Sep 27, 2011	28.09	28.81	27.44	27.56
4870	NASDAQ	AVT	Mon, Sep 26, 2011	26.47	27.51	25.57	27.41
4869	NASDAQ	AVT	Fri, Sep 23, 2011	25.13	26.44	25.03	26.18
4868	NASDAQ	AVT	Thu, Sep 22, 2011	26.09	26.36	25.07	25.47
4867	NASDAQ	AVT	Wed, Sep 21, 2011	27.85	28.06	26.88	26.88
4866	NASDAQ	AVT	Tue, Sep 20, 2011	27.83	28.07	27.11	27.11
4865	NASDAQ	AVT	Mon, Sep 19, 2011	27.35	27.98	27.05	27.74
4864	NASDAQ	AVT	Fri, Sep 16, 2011	28.09	28.50	27.69	27.94
4863	NASDAQ	AVT	Thu, Sep 15, 2011	27.53	28.23	27.35	27.93
4862	NASDAQ	AVT	Wed, Sep 14, 2011	25.87	27.38	25.69	27.11
4861	NASDAQ	AVT	Tue, Sep 13, 2011	25.27	25.90	25.13	25.68
4860	NASDAQ	AVT	Mon, Sep 12, 2011	24.36	25.15	24.28	25.11
4859	NASDAQ	AVT	Fri, Sep 9, 2011	25.60	25.93	24.55	24.85
4858	NASDAQ	AVT	Thu, Sep 8, 2011	26.00	26.49	25.70	25.90
4857	NASDAQ	AVT	Wed, Sep 7, 2011	25.00	26.30	25.00	26.28
4856	NASDAQ	AVT	Tue, Sep 6, 2011	24.28	24.60	23.86	24.50
4855	NASDAQ	AVT	Fri, Sep 2, 2011	25.46	25.73	24.78	24.95
4854	NASDAQ	AVT	Thu, Sep 1, 2011	26.35	26.80	26.02	26.06
4853	NASDAQ	AVT	Wed, Aug 31, 2011	26.24	26.67	25.95	26.24
4852	NASDAQ	AVT	Tue, Aug 30, 2011	26.99	26.99	25.64	26.00
4851	NASDAQ	AVT	Mon, Aug 29, 2011	26.52	27.24	26.47	27.17
4850	NASDAQ	AVT	Fri, Aug 26, 2011	25.05	26.24	24.78	25.99
4849	NASDAQ	AVT	Thu, Aug 25, 2011	26.23	26.52	25.26	25.39
4848	NASDAQ	AVT	Wed, Aug 24, 2011	25.74	26.24	25.24	26.15
4847	NASDAQ	AVT	Tue, Aug 23, 2011	24.98	25.83	24.81	25.79
4846	NASDAQ	AVT	Mon, Aug 22, 2011	25.36	25.60	24.63	24.78
4845	NASDAQ	AVT	Fri, Aug 19, 2011	25.23	25.82	24.75	24.75
4844	NASDAQ	AVT	Thu, Aug 18, 2011	26.48	26.50	25.48	25.67
4843	NASDAQ	AVT	Wed, Aug 17, 2011	28.03	28.34	27.15	27.32
4842	NASDAQ	AVT	Tue, Aug 16, 2011	28.16	28.69	27.63	27.88
4841	NASDAQ	AVT	Mon, Aug 15, 2011	27.98	28.62	27.97	28.61
4840	NASDAQ	AVT	Fri, Aug 12, 2011	28.17	28.36	27.47	27.72
4839	NASDAQ	AVT	Thu, Aug 11, 2011	25.69	28.25	25.69	27.94
4838	NASDAQ	AVT	Wed, Aug 10, 2011	25.58	27.78	25.18	25.52
4837	NASDAQ	AVT	Tue, Aug 9, 2011	24.27	25.51	23.69	25.51
4836	NASDAQ	AVT	Mon, Aug 8, 2011	25.25	25.83	24.01	24.19
4835	NASDAQ	AVT	Fri, Aug 5, 2011	26.82	26.85	25.00	26.21
4834	NASDAQ	AVT	Thu, Aug 4, 2011	27.75	27.92	26.34	26.34
4833	NASDAQ	AVT	Wed, Aug 3, 2011	27.86	28.26	27.16	28.21
4832	NASDAQ	AVT	Tue, Aug 2, 2011	28.83	29.27	27.90	27.92
4831	NASDAQ	AVT	Mon, Aug 1, 2011	29.76	29.84	28.74	29.20
4830	NASDAQ	AVT	Fri, Jul 29, 2011	28.92	29.58	28.48	29.30
4829	NASDAQ	AVT	Thu, Jul 28, 2011	28.12	29.41	28.01	29.31
4828	NASDAQ	AVT	Wed, Jul 27, 2011	29.22	29.22	27.76	28.13
4827	NASDAQ	AVT	Tue, Jul 26, 2011	29.59	29.92	29.18	29.65
4826	NASDAQ	AVT	Mon, Jul 25, 2011	29.54	29.95	29.42	29.51
4825	NASDAQ	AVT	Fri, Jul 22, 2011	29.86	30.24	29.75	29.93
4824	NASDAQ	AVT	Thu, Jul 21, 2011	29.63	29.99	29.27	29.84
4823	NASDAQ	AVT	Wed, Jul 20, 2011	29.64	29.72	29.37	29.56
4822	NASDAQ	AVT	Tue, Jul 19, 2011	29.16	29.68	29.11	29.60
4821	NASDAQ	AVT	Mon, Jul 18, 2011	29.55	29.64	28.34	28.78
4820	NASDAQ	AVT	Fri, Jul 15, 2011	30.19	30.19	29.57	29.75
4819	NASDAQ	AVT	Thu, Jul 14, 2011	30.52	30.75	29.81	29.95
4818	NASDAQ	AVT	Wed, Jul 13, 2011	30.57	30.78	30.11	30.38
4817	NASDAQ	AVT	Tue, Jul 12, 2011	30.81	30.86	30.00	30.43
4816	NASDAQ	AVT	Mon, Jul 11, 2011	31.83	32.16	30.98	31.06
4815	NASDAQ	AVT	Fri, Jul 8, 2011	32.30	32.47	31.77	32.21
4814	NASDAQ	AVT	Thu, Jul 7, 2011	32.56	32.88	31.81	32.86
4813	NASDAQ	AVT	Wed, Jul 6, 2011	32.17	32.30	31.69	32.30
4812	NASDAQ	AVT	Tue, Jul 5, 2011	32.63	32.67	31.93	32.16
4811	NASDAQ	AVT	Fri, Jul 1, 2011	32.00	32.62	31.92	32.55
4810	NASDAQ	AVT	Thu, Jun 30, 2011	31.13	32.17	31.08	31.88
4809	NASDAQ	AVT	Wed, Jun 29, 2011	30.90	31.32	30.75	31.05
4808	NASDAQ	AVT	Tue, Jun 28, 2011	30.77	30.82	30.45	30.64
4807	NASDAQ	AVT	Mon, Jun 27, 2011	30.20	30.77	30.00	30.58
4806	NASDAQ	AVT	Fri, Jun 24, 2011	31.01	31.02	30.12	30.16
4805	NASDAQ	AVT	Thu, Jun 23, 2011	30.09	31.05	29.87	31.01
4804	NASDAQ	AVT	Wed, Jun 22, 2011	30.45	30.95	30.30	30.55
4803	NASDAQ	AVT	Tue, Jun 21, 2011	30.14	30.88	29.99	30.58
4802	NASDAQ	AVT	Mon, Jun 20, 2011	29.96	30.09	29.75	29.97
4801	NASDAQ	AVT	Fri, Jun 17, 2011	30.53	30.64	29.87	29.99
4800	NASDAQ	AVT	Thu, Jun 16, 2011	31.02	31.03	30.10	30.22
4799	NASDAQ	AVT	Wed, Jun 15, 2011	31.14	31.46	30.84	30.94
4798	NASDAQ	AVT	Tue, Jun 14, 2011	31.27	31.85	31.04	31.52
4797	NASDAQ	AVT	Mon, Jun 13, 2011	31.37	31.50	30.66	30.83
4796	NASDAQ	AVT	Fri, Jun 10, 2011	31.66	31.77	31.13	31.43
4795	NASDAQ	AVT	Thu, Jun 9, 2011	31.65	32.30	31.50	31.77
4794	NASDAQ	AVT	Wed, Jun 8, 2011	32.39	32.46	31.49	31.67
4793	NASDAQ	AVT	Tue, Jun 7, 2011	32.31	32.85	32.30	32.55
4792	NASDAQ	AVT	Mon, Jun 6, 2011	33.02	33.20	32.23	32.25
4791	NASDAQ	AVT	Fri, Jun 3, 2011	33.09	33.29	32.77	33.02
4790	NASDAQ	AVT	Thu, Jun 2, 2011	34.92	35.00	33.58	33.72
4789	NASDAQ	AVT	Wed, Jun 1, 2011	36.12	36.36	34.85	34.96
4788	NASDAQ	AVT	Tue, May 31, 2011	36.02	36.23	35.68	36.20
4787	NASDAQ	AVT	Fri, May 27, 2011	35.41	35.56	35.17	35.54
4786	NASDAQ	AVT	Thu, May 26, 2011	34.80	35.31	34.74	35.15
4785	NASDAQ	AVT	Wed, May 25, 2011	34.53	34.96	34.30	34.87
4784	NASDAQ	AVT	Tue, May 24, 2011	35.30	35.46	34.44	34.73
4783	NASDAQ	AVT	Mon, May 23, 2011	35.75	35.86	35.11	35.19
4782	NASDAQ	AVT	Fri, May 20, 2011	36.90	36.90	36.35	36.51
4781	NASDAQ	AVT	Thu, May 19, 2011	37.38	37.65	36.61	37.01
4780	NASDAQ	AVT	Wed, May 18, 2011	35.56	37.37	35.47	37.13
4779	NASDAQ	AVT	Tue, May 17, 2011	36.49	36.40	35.19	35.37
4778	NASDAQ	AVT	Mon, May 16, 2011	37.10	37.50	36.69	36.86
4777	NASDAQ	AVT	Fri, May 13, 2011	37.83	37.95	37.15	37.21
4776	NASDAQ	AVT	Thu, May 12, 2011	37.05	38.00	36.74	37.81
4775	NASDAQ	AVT	Wed, May 11, 2011	37.22	37.50	36.77	37.19
4774	NASDAQ	AVT	Tue, May 10, 2011	37.05	37.49	36.87	37.28
4773	NASDAQ	AVT	Mon, May 9, 2011	36.46	36.94	36.17	36.87
4772	NASDAQ	AVT	Fri, May 6, 2011	36.92	37.07	36.28	36.41
4771	NASDAQ	AVT	Thu, May 5, 2011	36.22	36.80	36.05	36.29
4770	NASDAQ	AVT	Wed, May 4, 2011	36.63	37.00	36.21	36.44
4769	NASDAQ	AVT	Tue, May 3, 2011	37.02	37.18	36.36	36.65
4768	NASDAQ	AVT	Mon, May 2, 2011	36.54	37.34	36.54	37.05
4767	NASDAQ	AVT	Fri, Apr 29, 2011	36.48	36.79	36.06	36.32
4766	NASDAQ	AVT	Thu, Apr 28, 2011	37.04	37.10	35.90	36.30
4765	NASDAQ	AVT	Wed, Apr 27, 2011	36.08	36.82	35.83	36.22
4764	NASDAQ	AVT	Tue, Apr 26, 2011	34.98	35.63	34.91	35.61
4763	NASDAQ	AVT	Mon, Apr 25, 2011	34.95	35.16	34.65	34.73
4762	NASDAQ	AVT	Thu, Apr 21, 2011	34.87	34.94	34.42	34.85
4761	NASDAQ	AVT	Wed, Apr 20, 2011	33.89	34.65	33.88	34.64
4760	NASDAQ	AVT	Tue, Apr 19, 2011	32.87	33.31	32.81	33.17
4759	NASDAQ	AVT	Mon, Apr 18, 2011	32.70	32.77	32.30	32.69
4758	NASDAQ	AVT	Fri, Apr 15, 2011	33.14	33.39	32.76	33.30
4757	NASDAQ	AVT	Thu, Apr 14, 2011	32.83	33.19	32.48	33.07
4756	NASDAQ	AVT	Wed, Apr 13, 2011	33.44	33.54	32.89	33.23
4755	NASDAQ	AVT	Tue, Apr 12, 2011	33.67	33.74	33.10	33.21
4754	NASDAQ	AVT	Mon, Apr 11, 2011	34.25	34.34	33.77	33.92
4753	NASDAQ	AVT	Fri, Apr 8, 2011	35.15	35.23	34.07	34.26
4752	NASDAQ	AVT	Thu, Apr 7, 2011	34.23	35.21	34.23	34.73
4751	NASDAQ	AVT	Wed, Apr 6, 2011	34.13	34.38	33.83	34.20
4750	NASDAQ	AVT	Tue, Apr 5, 2011	33.60	33.97	33.40	33.85
4749	NASDAQ	AVT	Mon, Apr 4, 2011	33.84	33.87	33.23	33.60
4748	NASDAQ	AVT	Fri, Apr 1, 2011	34.29	34.50	33.44	33.64
4747	NASDAQ	AVT	Thu, Mar 31, 2011	33.99	34.21	33.83	34.09
4746	NASDAQ	AVT	Wed, Mar 30, 2011	34.21	34.36	33.62	34.01
4745	NASDAQ	AVT	Tue, Mar 29, 2011	33.39	34.06	33.08	33.96
4744	NASDAQ	AVT	Mon, Mar 28, 2011	33.91	34.03	33.42	33.51
4743	NASDAQ	AVT	Fri, Mar 25, 2011	33.51	33.96	33.21	33.84
4742	NASDAQ	AVT	Thu, Mar 24, 2011	32.90	33.48	32.35	33.48
4741	NASDAQ	AVT	Wed, Mar 23, 2011	32.50	32.76	32.10	32.65
4740	NASDAQ	AVT	Tue, Mar 22, 2011	32.92	32.95	32.28	32.56
4739	NASDAQ	AVT	Mon, Mar 21, 2011	32.66	33.08	32.49	32.96
4738	NASDAQ	AVT	Fri, Mar 18, 2011	32.44	32.60	31.90	32.03
4737	NASDAQ	AVT	Thu, Mar 17, 2011	32.63	32.75	32.00	32.00
4736	NASDAQ	AVT	Wed, Mar 16, 2011	32.06	32.42	31.45	31.88
4735	NASDAQ	AVT	Tue, Mar 15, 2011	31.58	32.37	31.25	32.09
4734	NASDAQ	AVT	Mon, Mar 14, 2011	32.61	33.04	32.41	32.70
4733	NASDAQ	AVT	Fri, Mar 11, 2011	33.11	33.38	32.79	33.18
4732	NASDAQ	AVT	Thu, Mar 10, 2011	33.46	33.72	33.06	33.09
4731	NASDAQ	AVT	Wed, Mar 9, 2011	34.42	34.82	33.85	34.00
4730	NASDAQ	AVT	Tue, Mar 8, 2011	33.83	35.42	33.83	34.88
4729	NASDAQ	AVT	Mon, Mar 7, 2011	34.46	34.46	33.16	33.35
4728	NASDAQ	AVT	Fri, Mar 4, 2011	35.17	35.25	33.99	34.18
4727	NASDAQ	AVT	Thu, Mar 3, 2011	33.99	35.26	33.85	35.24
4726	NASDAQ	AVT	Wed, Mar 2, 2011	33.40	34.12	33.20	33.59
4725	NASDAQ	AVT	Tue, Mar 1, 2011	34.27	34.47	32.86	33.34
4724	NASDAQ	AVT	Mon, Feb 28, 2011	34.70	34.79	33.88	34.21
4723	NASDAQ	AVT	Fri, Feb 25, 2011	34.16	34.50	34.16	34.49
4722	NASDAQ	AVT	Thu, Feb 24, 2011	34.02	34.35	33.42	33.87
4721	NASDAQ	AVT	Wed, Feb 23, 2011	35.30	35.64	33.95	34.03
4720	NASDAQ	AVT	Tue, Feb 22, 2011	36.39	36.59	35.37	35.42
4719	NASDAQ	AVT	Fri, Feb 18, 2011	36.88	37.04	36.61	36.97
4718	NASDAQ	AVT	Thu, Feb 17, 2011	36.67	36.99	36.50	36.92
4717	NASDAQ	AVT	Wed, Feb 16, 2011	36.88	37.16	36.64	36.83
4716	NASDAQ	AVT	Tue, Feb 15, 2011	36.51	36.99	36.42	36.80
4715	NASDAQ	AVT	Mon, Feb 14, 2011	36.46	36.73	36.36	36.62
4714	NASDAQ	AVT	Fri, Feb 11, 2011	36.26	36.61	36.00	36.39
4713	NASDAQ	AVT	Thu, Feb 10, 2011	36.33	36.40	36.00	36.32
4712	NASDAQ	AVT	Wed, Feb 9, 2011	36.73	37.00	36.57	36.63
4711	NASDAQ	AVT	Tue, Feb 8, 2011	36.59	36.97	36.27	36.89
4710	NASDAQ	AVT	Mon, Feb 7, 2011	36.96	37.06	36.58	36.63
4709	NASDAQ	AVT	Fri, Feb 4, 2011	36.89	36.99	36.60	36.92
4708	NASDAQ	AVT	Thu, Feb 3, 2011	36.77	37.03	36.50	36.92
4707	NASDAQ	AVT	Wed, Feb 2, 2011	36.36	37.12	36.01	36.93
4706	NASDAQ	AVT	Tue, Feb 1, 2011	35.90	36.87	35.90	36.56
4705	NASDAQ	AVT	Mon, Jan 31, 2011	35.15	35.88	35.02	35.62
4704	NASDAQ	AVT	Fri, Jan 28, 2011	35.34	35.49	34.81	35.01
4703	NASDAQ	AVT	Thu, Jan 27, 2011	36.00	36.53	34.68	35.24
4702	NASDAQ	AVT	Wed, Jan 26, 2011	35.80	36.28	35.42	35.75
4701	NASDAQ	AVT	Tue, Jan 25, 2011	35.50	35.62	35.15	35.62
4700	NASDAQ	AVT	Mon, Jan 24, 2011	35.11	35.87	34.96	35.67
4699	NASDAQ	AVT	Fri, Jan 21, 2011	35.47	35.66	34.60	34.98
4698	NASDAQ	AVT	Thu, Jan 20, 2011	35.27	35.27	34.19	34.91
4697	NASDAQ	AVT	Wed, Jan 19, 2011	36.69	36.69	35.09	35.35
4696	NASDAQ	AVT	Tue, Jan 18, 2011	34.61	36.69	34.30	36.66
4695	NASDAQ	AVT	Fri, Jan 14, 2011	33.84	34.15	33.71	33.96
4694	NASDAQ	AVT	Thu, Jan 13, 2011	33.49	33.97	33.31	33.84
4693	NASDAQ	AVT	Wed, Jan 12, 2011	33.62	33.79	33.28	33.42
4692	NASDAQ	AVT	Tue, Jan 11, 2011	33.34	33.50	33.03	33.28
4691	NASDAQ	AVT	Mon, Jan 10, 2011	32.73	33.34	32.52	33.23
4690	NASDAQ	AVT	Fri, Jan 7, 2011	33.08	33.50	32.35	32.85
4689	NASDAQ	AVT	Thu, Jan 6, 2011	32.87	33.14	32.70	32.99
4688	NASDAQ	AVT	Wed, Jan 5, 2011	33.02	33.11	32.64	32.80
4687	NASDAQ	AVT	Tue, Jan 4, 2011	33.42	33.52	32.81	33.12
4686	NASDAQ	AVT	Mon, Jan 3, 2011	33.38	33.92	33.24	33.31
4685	NASDAQ	AVT	Fri, Dec 31, 2010	33.23	33.27	32.96	33.03
4684	NASDAQ	AVT	Thu, Dec 30, 2010	33.11	33.47	33.11	33.25
4683	NASDAQ	AVT	Wed, Dec 29, 2010	33.23	33.37	33.07	33.19
4682	NASDAQ	AVT	Tue, Dec 28, 2010	33.21	33.27	32.86	33.22
4681	NASDAQ	AVT	Mon, Dec 27, 2010	32.70	33.15	32.37	33.14
4680	NASDAQ	AVT	Thu, Dec 23, 2010	32.54	32.79	32.40	32.72
4679	NASDAQ	AVT	Wed, Dec 22, 2010	32.69	32.78	32.17	32.56
4678	NASDAQ	AVT	Tue, Dec 21, 2010	33.14	33.14	32.74	32.74
4677	NASDAQ	AVT	Mon, Dec 20, 2010	33.24	33.40	32.73	32.91
4676	NASDAQ	AVT	Fri, Dec 17, 2010	32.93	33.11	32.68	33.00
4675	NASDAQ	AVT	Thu, Dec 16, 2010	32.50	32.87	32.44	32.87
4674	NASDAQ	AVT	Wed, Dec 15, 2010	33.06	33.38	32.43	32.46
4673	NASDAQ	AVT	Tue, Dec 14, 2010	32.95	33.18	32.53	33.10
4672	NASDAQ	AVT	Mon, Dec 13, 2010	33.05	33.12	32.63	32.86
4671	NASDAQ	AVT	Fri, Dec 10, 2010	33.26	33.40	32.65	32.92
4670	NASDAQ	AVT	Thu, Dec 9, 2010	33.39	33.39	33.02	33.13
4669	NASDAQ	AVT	Wed, Dec 8, 2010	33.27	33.51	32.92	33.18
4668	NASDAQ	AVT	Tue, Dec 7, 2010	33.77	33.90	33.17	33.22
4667	NASDAQ	AVT	Mon, Dec 6, 2010	33.10	33.43	32.96	33.34
4666	NASDAQ	AVT	Fri, Dec 3, 2010	32.29	33.22	32.29	33.12
4665	NASDAQ	AVT	Thu, Dec 2, 2010	31.72	32.49	31.67	32.39
4664	NASDAQ	AVT	Wed, Dec 1, 2010	31.27	31.79	31.24	31.75
4663	NASDAQ	AVT	Tue, Nov 30, 2010	30.90	30.90	30.50	30.65
4662	NASDAQ	AVT	Mon, Nov 29, 2010	31.61	31.80	30.98	31.34
4661	NASDAQ	AVT	Fri, Nov 26, 2010	31.72	31.99	31.60	31.88
4660	NASDAQ	AVT	Wed, Nov 24, 2010	30.99	32.03	30.98	32.00
4659	NASDAQ	AVT	Tue, Nov 23, 2010	31.02	31.05	30.55	30.68
4658	NASDAQ	AVT	Mon, Nov 22, 2010	31.05	31.73	31.05	31.47
4657	NASDAQ	AVT	Fri, Nov 19, 2010	31.09	31.26	30.91	31.19
4656	NASDAQ	AVT	Thu, Nov 18, 2010	30.43	31.36	30.43	31.19
4655	NASDAQ	AVT	Wed, Nov 17, 2010	29.93	30.20	29.80	30.06
4654	NASDAQ	AVT	Tue, Nov 16, 2010	30.54	30.61	29.83	29.87
4653	NASDAQ	AVT	Mon, Nov 15, 2010	30.96	31.27	30.80	30.85
4652	NASDAQ	AVT	Fri, Nov 12, 2010	30.99	31.39	30.59	30.87
4651	NASDAQ	AVT	Thu, Nov 11, 2010	30.67	31.13	30.31	31.13
4650	NASDAQ	AVT	Wed, Nov 10, 2010	30.88	31.26	30.48	31.12
4649	NASDAQ	AVT	Tue, Nov 9, 2010	31.23	31.30	30.72	30.86
4648	NASDAQ	AVT	Mon, Nov 8, 2010	31.39	31.39	30.83	31.04
4647	NASDAQ	AVT	Fri, Nov 5, 2010	31.00	31.45	30.97	31.44
4646	NASDAQ	AVT	Thu, Nov 4, 2010	30.69	31.15	30.54	31.01
4645	NASDAQ	AVT	Wed, Nov 3, 2010	30.20	30.45	30.03	30.31
4644	NASDAQ	AVT	Tue, Nov 2, 2010	30.21	30.44	30.07	30.25
4643	NASDAQ	AVT	Mon, Nov 1, 2010	29.98	30.44	29.88	29.99
4642	NASDAQ	AVT	Fri, Oct 29, 2010	30.24	30.25	29.66	29.78
4641	NASDAQ	AVT	Thu, Oct 28, 2010	29.32	30.40	29.25	30.21
4640	NASDAQ	AVT	Wed, Oct 27, 2010	28.64	29.15	28.58	29.03
4639	NASDAQ	AVT	Tue, Oct 26, 2010	28.94	29.11	28.41	28.74
4638	NASDAQ	AVT	Mon, Oct 25, 2010	28.97	29.50	28.87	29.10
4637	NASDAQ	AVT	Fri, Oct 22, 2010	28.36	28.86	28.19	28.80
4636	NASDAQ	AVT	Thu, Oct 21, 2010	27.81	28.33	27.74	28.30
4635	NASDAQ	AVT	Wed, Oct 20, 2010	27.39	27.83	27.39	27.76
4634	NASDAQ	AVT	Tue, Oct 19, 2010	27.42	27.80	27.09	27.25
4633	NASDAQ	AVT	Mon, Oct 18, 2010	27.71	27.90	27.50	27.82
4632	NASDAQ	AVT	Fri, Oct 15, 2010	27.97	28.06	27.34	27.63
4631	NASDAQ	AVT	Thu, Oct 14, 2010	27.76	27.91	27.39	27.63
4630	NASDAQ	AVT	Wed, Oct 13, 2010	27.96	28.14	27.75	27.76
4629	NASDAQ	AVT	Tue, Oct 12, 2010	27.85	27.98	27.33	27.80
4628	NASDAQ	AVT	Mon, Oct 11, 2010	27.61	28.08	27.44	27.87
4627	NASDAQ	AVT	Fri, Oct 8, 2010	27.40	27.58	26.83	27.51
4626	NASDAQ	AVT	Thu, Oct 7, 2010	27.37	27.49	26.80	27.39
4625	NASDAQ	AVT	Wed, Oct 6, 2010	27.19	27.33	26.86	27.25
4624	NASDAQ	AVT	Tue, Oct 5, 2010	26.90	27.37	26.73	27.20
4623	NASDAQ	AVT	Mon, Oct 4, 2010	26.80	27.01	26.37	26.61
4622	NASDAQ	AVT	Fri, Oct 1, 2010	27.33	27.38	26.58	26.84
4621	NASDAQ	AVT	Thu, Sep 30, 2010	27.23	27.72	26.55	27.01
4620	NASDAQ	AVT	Wed, Sep 29, 2010	26.90	27.34	26.84	27.03
4619	NASDAQ	AVT	Tue, Sep 28, 2010	26.53	26.92	26.19	26.89
4618	NASDAQ	AVT	Mon, Sep 27, 2010	26.83	26.83	26.36	26.46
4617	NASDAQ	AVT	Fri, Sep 24, 2010	26.50	26.86	26.37	26.84
4616	NASDAQ	AVT	Thu, Sep 23, 2010	25.54	26.35	25.45	26.10
4615	NASDAQ	AVT	Wed, Sep 22, 2010	26.12	26.45	25.70	25.82
4614	NASDAQ	AVT	Tue, Sep 21, 2010	26.55	26.55	26.14	26.29
4613	NASDAQ	AVT	Mon, Sep 20, 2010	26.00	26.65	25.94	26.55
4612	NASDAQ	AVT	Fri, Sep 17, 2010	26.18	26.20	25.81	25.83
4611	NASDAQ	AVT	Thu, Sep 16, 2010	25.97	26.11	25.74	26.05
4610	NASDAQ	AVT	Wed, Sep 15, 2010	25.66	26.08	25.40	25.97
4609	NASDAQ	AVT	Tue, Sep 14, 2010	25.45	25.98	25.40	25.69
4608	NASDAQ	AVT	Mon, Sep 13, 2010	25.27	25.72	25.25	25.57
4607	NASDAQ	AVT	Fri, Sep 10, 2010	24.86	24.97	24.48	24.91
4606	NASDAQ	AVT	Thu, Sep 9, 2010	24.70	24.90	24.45	24.86
4605	NASDAQ	AVT	Wed, Sep 8, 2010	24.24	24.43	24.04	24.22
4604	NASDAQ	AVT	Tue, Sep 7, 2010	25.35	25.44	24.24	24.29
4603	NASDAQ	AVT	Fri, Sep 3, 2010	25.10	25.47	24.97	25.47
4602	NASDAQ	AVT	Thu, Sep 2, 2010	23.97	24.78	23.84	24.76
4601	NASDAQ	AVT	Wed, Sep 1, 2010	23.24	24.23	23.24	24.11
4600	NASDAQ	AVT	Tue, Aug 31, 2010	23.08	23.43	22.78	22.90
4599	NASDAQ	AVT	Mon, Aug 30, 2010	23.71	23.90	23.18	23.18
4598	NASDAQ	AVT	Fri, Aug 27, 2010	23.12	23.84	22.39	23.76
4597	NASDAQ	AVT	Thu, Aug 26, 2010	23.04	23.36	22.83	22.86
4596	NASDAQ	AVT	Wed, Aug 25, 2010	23.08	23.19	22.56	22.88
4595	NASDAQ	AVT	Tue, Aug 24, 2010	23.42	23.63	23.10	23.26
4594	NASDAQ	AVT	Mon, Aug 23, 2010	24.33	24.44	23.74	23.77
4593	NASDAQ	AVT	Fri, Aug 20, 2010	24.34	24.46	24.00	24.17
4592	NASDAQ	AVT	Thu, Aug 19, 2010	24.52	24.69	24.12	24.46
4591	NASDAQ	AVT	Wed, Aug 18, 2010	24.20	24.94	24.02	24.64
4590	NASDAQ	AVT	Tue, Aug 17, 2010	24.21	24.58	23.83	24.20
4589	NASDAQ	AVT	Mon, Aug 16, 2010	23.68	24.14	23.51	23.93
4588	NASDAQ	AVT	Fri, Aug 13, 2010	24.25	24.46	23.78	23.80
4587	NASDAQ	AVT	Thu, Aug 12, 2010	24.84	24.84	24.18	24.41
4586	NASDAQ	AVT	Wed, Aug 11, 2010	25.23	25.89	25.05	25.16
4585	NASDAQ	AVT	Tue, Aug 10, 2010	26.02	26.20	25.47	25.72
4584	NASDAQ	AVT	Mon, Aug 9, 2010	26.37	26.47	26.16	26.34
4583	NASDAQ	AVT	Fri, Aug 6, 2010	25.79	26.34	25.67	26.24
4582	NASDAQ	AVT	Thu, Aug 5, 2010	26.00	26.46	25.82	26.12
4581	NASDAQ	AVT	Wed, Aug 4, 2010	26.08	26.37	25.92	26.15
4580	NASDAQ	AVT	Tue, Aug 3, 2010	25.62	25.92	25.36	25.87
4579	NASDAQ	AVT	Mon, Aug 2, 2010	25.59	25.95	25.41	25.79
4578	NASDAQ	AVT	Fri, Jul 30, 2010	25.28	25.37	24.66	25.15
4577	NASDAQ	AVT	Thu, Jul 29, 2010	26.31	26.49	25.37	25.61
4576	NASDAQ	AVT	Wed, Jul 28, 2010	27.10	27.24	26.06	26.12
4575	NASDAQ	AVT	Tue, Jul 27, 2010	27.32	27.69	26.74	26.90
4574	NASDAQ	AVT	Mon, Jul 26, 2010	25.97	27.09	25.90	27.08
4573	NASDAQ	AVT	Fri, Jul 23, 2010	25.49	26.08	25.29	25.98
4572	NASDAQ	AVT	Thu, Jul 22, 2010	25.13	25.74	25.11	25.64
4571	NASDAQ	AVT	Wed, Jul 21, 2010	25.36	25.44	24.61	24.67
4570	NASDAQ	AVT	Tue, Jul 20, 2010	24.79	25.23	24.29	25.16
4569	NASDAQ	AVT	Mon, Jul 19, 2010	24.91	25.30	24.55	25.24
4568	NASDAQ	AVT	Fri, Jul 16, 2010	25.62	25.68	24.65	24.75
4567	NASDAQ	AVT	Thu, Jul 15, 2010	25.81	26.08	25.32	25.75
4566	NASDAQ	AVT	Wed, Jul 14, 2010	25.59	26.28	25.50	25.79
4565	NASDAQ	AVT	Tue, Jul 13, 2010	25.56	25.78	25.12	25.64
4564	NASDAQ	AVT	Mon, Jul 12, 2010	25.00	25.50	24.79	25.27
4563	NASDAQ	AVT	Fri, Jul 9, 2010	25.12	25.20	24.66	25.13
4562	NASDAQ	AVT	Thu, Jul 8, 2010	25.51	26.23	24.95	25.16
4561	NASDAQ	AVT	Wed, Jul 7, 2010	23.76	25.15	23.64	25.12
4560	NASDAQ	AVT	Tue, Jul 6, 2010	24.34	24.62	23.51	23.76
4559	NASDAQ	AVT	Fri, Jul 2, 2010	23.95	24.22	23.65	23.98
4558	NASDAQ	AVT	Thu, Jul 1, 2010	24.01	24.35	23.06	23.93
4557	NASDAQ	AVT	Wed, Jun 30, 2010	24.59	24.93	24.07	24.11
4556	NASDAQ	AVT	Tue, Jun 29, 2010	25.41	25.41	24.43	24.62
4555	NASDAQ	AVT	Mon, Jun 28, 2010	25.77	26.39	25.33	25.96
4554	NASDAQ	AVT	Fri, Jun 25, 2010	25.90	26.08	25.39	25.76
4553	NASDAQ	AVT	Thu, Jun 24, 2010	26.64	26.64	25.73	25.79
4552	NASDAQ	AVT	Wed, Jun 23, 2010	27.11	27.28	26.72	26.88
4551	NASDAQ	AVT	Tue, Jun 22, 2010	27.88	28.29	27.00	27.04
4550	NASDAQ	AVT	Mon, Jun 21, 2010	28.38	28.73	27.73	27.91
4549	NASDAQ	AVT	Fri, Jun 18, 2010	28.12	28.21	27.73	27.92
4548	NASDAQ	AVT	Thu, Jun 17, 2010	28.01	28.09	27.17	27.99
4547	NASDAQ	AVT	Wed, Jun 16, 2010	27.58	28.07	27.40	27.86
4546	NASDAQ	AVT	Tue, Jun 15, 2010	27.11	27.95	27.11	27.89
4545	NASDAQ	AVT	Mon, Jun 14, 2010	27.23	27.59	26.85	26.91
4544	NASDAQ	AVT	Fri, Jun 11, 2010	26.06	27.01	26.06	26.99
4543	NASDAQ	AVT	Thu, Jun 10, 2010	26.43	26.51	25.82	26.39
4542	NASDAQ	AVT	Wed, Jun 9, 2010	25.77	26.67	25.66	25.81
4541	NASDAQ	AVT	Tue, Jun 8, 2010	25.55	25.66	25.15	25.62
4540	NASDAQ	AVT	Mon, Jun 7, 2010	26.68	26.73	25.54	25.55
4539	NASDAQ	AVT	Fri, Jun 4, 2010	27.09	27.55	26.50	26.58
4538	NASDAQ	AVT	Thu, Jun 3, 2010	28.06	28.33	27.43	27.89
4537	NASDAQ	AVT	Wed, Jun 2, 2010	27.45	27.79	26.90	27.77
4536	NASDAQ	AVT	Tue, Jun 1, 2010	28.50	28.73	27.29	27.31
4535	NASDAQ	AVT	Fri, May 28, 2010	28.98	29.10	28.49	28.72
4534	NASDAQ	AVT	Thu, May 27, 2010	27.99	29.13	27.75	29.10
4533	NASDAQ	AVT	Wed, May 26, 2010	27.58	28.00	27.11	27.29
4532	NASDAQ	AVT	Tue, May 25, 2010	27.00	27.57	26.28	27.38
4531	NASDAQ	AVT	Mon, May 24, 2010	28.17	28.49	27.48	27.50
4530	NASDAQ	AVT	Fri, May 21, 2010	26.82	28.82	26.76	28.20
4529	NASDAQ	AVT	Thu, May 20, 2010	27.50	28.09	26.92	27.36
4528	NASDAQ	AVT	Wed, May 19, 2010	28.21	28.78	27.72	28.37
4527	NASDAQ	AVT	Tue, May 18, 2010	29.62	29.62	28.21	28.42
4526	NASDAQ	AVT	Mon, May 17, 2010	29.47	29.85	28.50	29.32
4525	NASDAQ	AVT	Fri, May 14, 2010	29.83	29.90	28.74	29.24
4524	NASDAQ	AVT	Thu, May 13, 2010	30.31	30.57	29.87	30.12
4523	NASDAQ	AVT	Wed, May 12, 2010	29.68	29.92	29.12	29.83
4522	NASDAQ	AVT	Tue, May 11, 2010	29.27	30.19	29.18	29.52
4521	NASDAQ	AVT	Mon, May 10, 2010	28.96	29.74	28.21	29.67
4520	NASDAQ	AVT	Fri, May 7, 2010	28.37	28.52	27.21	27.49
4519	NASDAQ	AVT	Thu, May 6, 2010	29.94	30.32	27.00	28.45
4518	NASDAQ	AVT	Wed, May 5, 2010	30.39	30.65	29.96	30.10
4517	NASDAQ	AVT	Tue, May 4, 2010	31.86	31.87	30.61	30.75
4516	NASDAQ	AVT	Mon, May 3, 2010	32.72	33.00	32.17	32.42
4515	NASDAQ	AVT	Fri, Apr 30, 2010	33.60	33.66	31.79	31.97
4514	NASDAQ	AVT	Thu, Apr 29, 2010	33.80	34.09	33.00	33.49
4513	NASDAQ	AVT	Wed, Apr 28, 2010	32.24	32.69	31.91	32.61
4512	NASDAQ	AVT	Tue, Apr 27, 2010	32.23	32.93	31.88	32.03
4511	NASDAQ	AVT	Mon, Apr 26, 2010	32.84	32.89	32.46	32.50
4510	NASDAQ	AVT	Fri, Apr 23, 2010	32.20	32.84	32.08	32.81
4509	NASDAQ	AVT	Thu, Apr 22, 2010	32.00	32.27	31.28	32.25
4508	NASDAQ	AVT	Wed, Apr 21, 2010	32.11	32.43	31.85	32.22
4507	NASDAQ	AVT	Tue, Apr 20, 2010	31.71	32.15	31.48	31.97
4506	NASDAQ	AVT	Mon, Apr 19, 2010	31.77	31.91	30.93	31.51
4505	NASDAQ	AVT	Fri, Apr 16, 2010	32.14	32.20	31.58	31.85
4504	NASDAQ	AVT	Thu, Apr 15, 2010	32.36	32.38	32.02	32.27
4503	NASDAQ	AVT	Wed, Apr 14, 2010	31.45	32.37	31.42	32.34
4502	NASDAQ	AVT	Tue, Apr 13, 2010	31.01	31.40	31.01	31.17
4501	NASDAQ	AVT	Mon, Apr 12, 2010	31.02	31.25	30.63	31.01
4500	NASDAQ	AVT	Fri, Apr 9, 2010	30.53	31.07	30.20	31.07
4499	NASDAQ	AVT	Thu, Apr 8, 2010	30.84	30.88	30.26	30.48
4498	NASDAQ	AVT	Wed, Apr 7, 2010	31.27	31.31	30.81	31.07
4497	NASDAQ	AVT	Tue, Apr 6, 2010	31.67	31.83	31.09	31.20
4496	NASDAQ	AVT	Mon, Apr 5, 2010	30.60	31.96	30.40	31.95
4495	NASDAQ	AVT	Thu, Apr 1, 2010	30.13	30.75	29.94	30.40
4494	NASDAQ	AVT	Wed, Mar 31, 2010	30.41	30.83	29.97	30.00
4493	NASDAQ	AVT	Tue, Mar 30, 2010	29.88	30.71	29.88	30.53
4492	NASDAQ	AVT	Mon, Mar 29, 2010	28.88	30.23	28.88	29.75
4491	NASDAQ	AVT	Fri, Mar 26, 2010	28.60	28.67	28.21	28.37
4490	NASDAQ	AVT	Thu, Mar 25, 2010	29.21	29.39	28.45	28.46
4489	NASDAQ	AVT	Wed, Mar 24, 2010	29.65	29.70	28.92	28.93
4488	NASDAQ	AVT	Tue, Mar 23, 2010	29.31	29.86	29.18	29.77
4487	NASDAQ	AVT	Mon, Mar 22, 2010	28.79	29.59	28.79	29.35
4486	NASDAQ	AVT	Fri, Mar 19, 2010	29.27	29.40	28.64	29.07
4485	NASDAQ	AVT	Thu, Mar 18, 2010	29.60	29.80	29.19	29.27
4484	NASDAQ	AVT	Wed, Mar 17, 2010	28.85	29.64	28.85	29.51
4483	NASDAQ	AVT	Tue, Mar 16, 2010	28.26	28.70	28.07	28.70
4482	NASDAQ	AVT	Mon, Mar 15, 2010	28.67	28.78	28.12	28.23
4481	NASDAQ	AVT	Fri, Mar 12, 2010	28.99	28.99	28.37	28.79
4480	NASDAQ	AVT	Thu, Mar 11, 2010	28.80	29.04	28.56	28.93
4479	NASDAQ	AVT	Wed, Mar 10, 2010	28.20	29.04	28.12	28.88
4478	NASDAQ	AVT	Tue, Mar 9, 2010	27.99	28.33	27.99	28.26
4477	NASDAQ	AVT	Mon, Mar 8, 2010	28.23	28.35	27.98	28.16
4476	NASDAQ	AVT	Fri, Mar 5, 2010	28.06	28.20	27.74	28.05
4475	NASDAQ	AVT	Thu, Mar 4, 2010	28.56	28.61	27.68	27.84
4474	NASDAQ	AVT	Wed, Mar 3, 2010	28.42	28.69	28.25	28.62
4473	NASDAQ	AVT	Tue, Mar 2, 2010	28.28	28.53	27.99	28.32
4472	NASDAQ	AVT	Mon, Mar 1, 2010	27.77	28.40	27.74	28.26
4471	NASDAQ	AVT	Fri, Feb 26, 2010	27.76	27.78	27.41	27.61
4470	NASDAQ	AVT	Thu, Feb 25, 2010	27.03	27.84	26.69	27.73
4469	NASDAQ	AVT	Wed, Feb 24, 2010	27.27	27.65	27.26	27.43
4468	NASDAQ	AVT	Tue, Feb 23, 2010	27.60	27.70	27.04	27.27
4467	NASDAQ	AVT	Mon, Feb 22, 2010	28.19	28.30	27.58	27.74
4466	NASDAQ	AVT	Fri, Feb 19, 2010	27.88	28.30	27.69	28.19
4465	NASDAQ	AVT	Thu, Feb 18, 2010	27.82	28.02	27.65	28.00
4464	NASDAQ	AVT	Wed, Feb 17, 2010	27.86	27.88	27.55	27.81
4463	NASDAQ	AVT	Tue, Feb 16, 2010	27.73	27.80	27.37	27.73
4462	NASDAQ	AVT	Fri, Feb 12, 2010	26.78	27.47	26.50	27.43
4461	NASDAQ	AVT	Thu, Feb 11, 2010	26.60	27.25	26.43	27.11
4460	NASDAQ	AVT	Wed, Feb 10, 2010	26.79	27.16	26.50	26.68
4459	NASDAQ	AVT	Tue, Feb 9, 2010	27.26	27.26	26.09	26.94
4458	NASDAQ	AVT	Mon, Feb 8, 2010	26.92	27.02	26.44	26.79
4457	NASDAQ	AVT	Fri, Feb 5, 2010	26.38	26.87	26.09	26.81
4456	NASDAQ	AVT	Thu, Feb 4, 2010	27.27	27.36	26.26	26.35
4455	NASDAQ	AVT	Wed, Feb 3, 2010	27.30	27.88	27.28	27.54
4454	NASDAQ	AVT	Tue, Feb 2, 2010	26.97	27.39	26.73	27.37
4453	NASDAQ	AVT	Mon, Feb 1, 2010	26.66	27.21	26.66	26.87
4452	NASDAQ	AVT	Fri, Jan 29, 2010	27.50	27.50	26.31	26.44
4451	NASDAQ	AVT	Thu, Jan 28, 2010	28.02	28.02	26.32	26.98
4450	NASDAQ	AVT	Wed, Jan 27, 2010	27.80	28.04	27.25	27.86
4449	NASDAQ	AVT	Tue, Jan 26, 2010	27.62	28.19	27.47	27.83
4448	NASDAQ	AVT	Mon, Jan 25, 2010	27.29	27.84	27.16	27.66
4447	NASDAQ	AVT	Fri, Jan 22, 2010	28.24	28.31	26.99	27.08
4446	NASDAQ	AVT	Thu, Jan 21, 2010	28.37	28.92	28.23	28.33
4445	NASDAQ	AVT	Wed, Jan 20, 2010	28.28	28.66	28.11	28.42
4444	NASDAQ	AVT	Tue, Jan 19, 2010	28.09	28.66	27.99	28.58
4443	NASDAQ	AVT	Fri, Jan 15, 2010	28.81	28.94	28.05	28.09
4442	NASDAQ	AVT	Thu, Jan 14, 2010	28.18	28.87	28.16	28.84
4441	NASDAQ	AVT	Wed, Jan 13, 2010	28.53	28.62	27.81	28.27
4440	NASDAQ	AVT	Tue, Jan 12, 2010	29.55	29.58	28.20	28.39
4439	NASDAQ	AVT	Mon, Jan 11, 2010	29.91	29.94	29.36	29.72
4438	NASDAQ	AVT	Fri, Jan 8, 2010	29.07	29.76	29.07	29.71
4437	NASDAQ	AVT	Thu, Jan 7, 2010	29.74	29.84	28.90	29.20
4436	NASDAQ	AVT	Wed, Jan 6, 2010	29.92	29.97	29.56	29.81
4435	NASDAQ	AVT	Tue, Jan 5, 2010	30.18	30.29	29.69	30.00
4434	NASDAQ	AVT	Mon, Jan 4, 2010	30.36	30.65	29.99	30.25
4433	NASDAQ	AVT	Thu, Dec 31, 2009	30.49	30.80	30.12	30.16
4432	NASDAQ	AVT	Wed, Dec 30, 2009	29.53	30.43	29.52	30.42
4431	NASDAQ	AVT	Tue, Dec 29, 2009	29.80	30.09	29.70	29.74
4430	NASDAQ	AVT	Mon, Dec 28, 2009	29.96	29.99	29.43	29.77
4429	NASDAQ	AVT	Thu, Dec 24, 2009	29.62	29.95	29.61	29.80
4428	NASDAQ	AVT	Wed, Dec 23, 2009	29.25	29.81	29.22	29.62
4427	NASDAQ	AVT	Tue, Dec 22, 2009	29.07	29.33	29.02	29.25
4426	NASDAQ	AVT	Mon, Dec 21, 2009	29.31	29.65	28.99	29.10
4425	NASDAQ	AVT	Fri, Dec 18, 2009	29.12	29.14	28.51	29.09
4424	NASDAQ	AVT	Thu, Dec 17, 2009	29.33	29.71	28.76	28.83
4423	NASDAQ	AVT	Wed, Dec 16, 2009	29.41	30.39	29.26	29.73
4422	NASDAQ	AVT	Tue, Dec 15, 2009	28.17	29.26	27.88	29.15
4421	NASDAQ	AVT	Mon, Dec 14, 2009	28.67	28.70	28.38	28.63
4420	NASDAQ	AVT	Fri, Dec 11, 2009	28.65	28.79	28.18	28.39
4419	NASDAQ	AVT	Thu, Dec 10, 2009	28.66	28.99	28.31	28.41
4418	NASDAQ	AVT	Wed, Dec 9, 2009	28.59	28.64	28.19	28.54
4417	NASDAQ	AVT	Tue, Dec 8, 2009	28.62	28.93	28.09	28.66
4416	NASDAQ	AVT	Mon, Dec 7, 2009	28.90	29.41	28.58	28.87
4415	NASDAQ	AVT	Fri, Dec 4, 2009	28.82	29.20	28.30	28.82
4414	NASDAQ	AVT	Thu, Dec 3, 2009	28.58	28.94	28.40	28.44
4413	NASDAQ	AVT	Wed, Dec 2, 2009	27.97	28.71	27.95	28.45
4412	NASDAQ	AVT	Tue, Dec 1, 2009	27.54	28.16	27.51	28.04
4411	NASDAQ	AVT	Mon, Nov 30, 2009	27.03	27.32	26.75	27.25
4410	NASDAQ	AVT	Fri, Nov 27, 2009	26.77	27.41	26.67	27.15
4409	NASDAQ	AVT	Wed, Nov 25, 2009	27.90	27.91	27.44	27.65
4408	NASDAQ	AVT	Tue, Nov 24, 2009	27.63	27.80	27.36	27.75
4407	NASDAQ	AVT	Mon, Nov 23, 2009	27.65	28.17	27.48	27.70
4406	NASDAQ	AVT	Fri, Nov 20, 2009	27.18	27.53	26.67	27.39
4405	NASDAQ	AVT	Thu, Nov 19, 2009	27.75	27.99	27.09	27.40
4404	NASDAQ	AVT	Wed, Nov 18, 2009	27.91	28.30	27.78	28.09
4403	NASDAQ	AVT	Tue, Nov 17, 2009	27.69	27.88	27.24	27.88
4402	NASDAQ	AVT	Mon, Nov 16, 2009	27.73	28.12	27.67	27.87
4401	NASDAQ	AVT	Fri, Nov 13, 2009	27.42	27.67	26.81	27.53
4400	NASDAQ	AVT	Thu, Nov 12, 2009	27.64	27.88	27.11	27.25
4399	NASDAQ	AVT	Wed, Nov 11, 2009	27.44	27.75	27.31	27.63
4398	NASDAQ	AVT	Tue, Nov 10, 2009	27.02	27.46	26.98	27.31
4397	NASDAQ	AVT	Mon, Nov 9, 2009	26.58	27.28	26.58	27.19
4396	NASDAQ	AVT	Fri, Nov 6, 2009	25.88	26.54	25.75	26.40
4395	NASDAQ	AVT	Thu, Nov 5, 2009	25.62	26.15	25.38	26.15
4394	NASDAQ	AVT	Wed, Nov 4, 2009	25.45	25.79	25.11	25.22
4393	NASDAQ	AVT	Tue, Nov 3, 2009	24.80	25.31	24.49	25.23
4392	NASDAQ	AVT	Mon, Nov 2, 2009	24.96	25.53	24.46	24.94
4391	NASDAQ	AVT	Fri, Oct 30, 2009	25.33	25.87	24.74	24.78
4390	NASDAQ	AVT	Thu, Oct 29, 2009	24.83	25.68	24.60	25.36
4389	NASDAQ	AVT	Wed, Oct 28, 2009	25.02	25.18	23.61	23.67
4388	NASDAQ	AVT	Tue, Oct 27, 2009	25.75	26.11	25.07	25.13
4387	NASDAQ	AVT	Mon, Oct 26, 2009	26.12	26.38	25.31	25.62
4386	NASDAQ	AVT	Fri, Oct 23, 2009	26.86	26.89	26.03	26.18
4385	NASDAQ	AVT	Thu, Oct 22, 2009	25.76	26.45	25.32	26.41
4384	NASDAQ	AVT	Wed, Oct 21, 2009	25.83	26.50	25.80	25.83
4383	NASDAQ	AVT	Tue, Oct 20, 2009	26.01	26.27	25.64	25.81
4382	NASDAQ	AVT	Mon, Oct 19, 2009	26.02	26.37	25.76	26.03
4381	NASDAQ	AVT	Fri, Oct 16, 2009	26.60	26.66	25.64	26.01
4380	NASDAQ	AVT	Thu, Oct 15, 2009	26.78	26.82	26.39	26.82
4379	NASDAQ	AVT	Wed, Oct 14, 2009	27.25	27.27	26.73	26.94
4378	NASDAQ	AVT	Tue, Oct 13, 2009	26.50	26.75	26.22	26.41
4377	NASDAQ	AVT	Mon, Oct 12, 2009	26.47	26.91	26.28	26.65
4376	NASDAQ	AVT	Fri, Oct 9, 2009	25.32	26.48	25.28	26.37
4375	NASDAQ	AVT	Thu, Oct 8, 2009	25.36	25.71	24.90	25.42
4374	NASDAQ	AVT	Wed, Oct 7, 2009	25.20	25.35	25.00	25.17
4373	NASDAQ	AVT	Tue, Oct 6, 2009	25.15	25.49	24.78	25.34
4372	NASDAQ	AVT	Mon, Oct 5, 2009	24.69	25.01	24.26	24.94
4371	NASDAQ	AVT	Fri, Oct 2, 2009	24.80	25.03	24.49	24.53
4370	NASDAQ	AVT	Thu, Oct 1, 2009	25.97	26.00	25.08	25.12
4369	NASDAQ	AVT	Wed, Sep 30, 2009	26.20	26.40	25.49	25.97
4368	NASDAQ	AVT	Tue, Sep 29, 2009	26.52	26.76	26.04	26.10
4367	NASDAQ	AVT	Mon, Sep 28, 2009	25.93	26.71	25.77	26.41
4366	NASDAQ	AVT	Fri, Sep 25, 2009	25.87	26.05	25.52	25.90
4365	NASDAQ	AVT	Thu, Sep 24, 2009	26.80	27.00	25.83	25.98
4364	NASDAQ	AVT	Wed, Sep 23, 2009	27.08	27.40	26.73	26.76
4363	NASDAQ	AVT	Tue, Sep 22, 2009	26.79	27.00	26.64	26.93
4362	NASDAQ	AVT	Mon, Sep 21, 2009	26.00	26.71	25.88	26.65
4361	NASDAQ	AVT	Fri, Sep 18, 2009	26.33	27.00	25.74	26.22
4360	NASDAQ	AVT	Thu, Sep 17, 2009	26.71	26.99	25.91	26.26
4359	NASDAQ	AVT	Wed, Sep 16, 2009	27.03	27.05	26.60	26.84
4358	NASDAQ	AVT	Tue, Sep 15, 2009	26.49	27.15	26.49	26.88
4357	NASDAQ	AVT	Mon, Sep 14, 2009	26.30	26.67	26.23	26.54
4356	NASDAQ	AVT	Fri, Sep 11, 2009	27.45	27.46	26.29	26.52
4355	NASDAQ	AVT	Thu, Sep 10, 2009	27.14	27.42	26.92	27.33
4354	NASDAQ	AVT	Wed, Sep 9, 2009	26.93	27.17	26.68	27.08
4353	NASDAQ	AVT	Tue, Sep 8, 2009	26.78	27.08	26.55	26.93
4352	NASDAQ	AVT	Fri, Sep 4, 2009	26.00	26.68	25.87	26.52
4351	NASDAQ	AVT	Thu, Sep 3, 2009	25.76	25.95	25.48	25.95
4350	NASDAQ	AVT	Wed, Sep 2, 2009	25.86	26.08	25.59	25.63
4349	NASDAQ	AVT	Tue, Sep 1, 2009	26.58	27.04	25.65	25.73
4348	NASDAQ	AVT	Mon, Aug 31, 2009	26.70	26.86	26.01	26.65
4347	NASDAQ	AVT	Fri, Aug 28, 2009	26.31	27.06	26.24	26.91
4346	NASDAQ	AVT	Thu, Aug 27, 2009	26.09	26.33	25.38	26.24
4345	NASDAQ	AVT	Wed, Aug 26, 2009	25.59	26.28	25.38	26.09
4344	NASDAQ	AVT	Tue, Aug 25, 2009	25.47	25.63	25.21	25.56
4343	NASDAQ	AVT	Mon, Aug 24, 2009	25.39	25.66	25.18	25.31
4342	NASDAQ	AVT	Fri, Aug 21, 2009	24.73	25.32	24.70	25.29
4341	NASDAQ	AVT	Thu, Aug 20, 2009	24.57	24.75	24.43	24.63
4340	NASDAQ	AVT	Wed, Aug 19, 2009	24.01	24.64	23.98	24.64
4339	NASDAQ	AVT	Tue, Aug 18, 2009	23.57	24.42	23.57	24.29
4338	NASDAQ	AVT	Mon, Aug 17, 2009	23.93	24.07	23.30	23.52
4337	NASDAQ	AVT	Fri, Aug 14, 2009	24.64	24.87	24.08	24.30
4336	NASDAQ	AVT	Thu, Aug 13, 2009	25.31	25.33	24.61	24.75
4335	NASDAQ	AVT	Wed, Aug 12, 2009	24.70	25.55	24.70	25.20
4334	NASDAQ	AVT	Tue, Aug 11, 2009	24.63	24.86	24.22	24.80
4333	NASDAQ	AVT	Mon, Aug 10, 2009	24.83	25.15	24.50	24.85
4332	NASDAQ	AVT	Fri, Aug 7, 2009	24.50	25.22	23.98	25.04
4331	NASDAQ	AVT	Thu, Aug 6, 2009	24.09	24.38	23.96	24.13
4330	NASDAQ	AVT	Wed, Aug 5, 2009	25.39	25.58	23.59	24.07
4329	NASDAQ	AVT	Tue, Aug 4, 2009	24.78	25.83	24.71	25.58
4328	NASDAQ	AVT	Mon, Aug 3, 2009	24.56	24.92	24.01	24.92
4327	NASDAQ	AVT	Fri, Jul 31, 2009	24.40	24.55	24.08	24.40
4326	NASDAQ	AVT	Thu, Jul 30, 2009	24.50	24.84	24.21	24.49
4325	NASDAQ	AVT	Wed, Jul 29, 2009	24.53	24.53	23.94	24.15
4324	NASDAQ	AVT	Tue, Jul 28, 2009	24.46	24.93	24.03	24.62
4323	NASDAQ	AVT	Mon, Jul 27, 2009	24.57	24.79	24.29	24.75
4322	NASDAQ	AVT	Fri, Jul 24, 2009	24.10	24.67	23.91	24.67
4321	NASDAQ	AVT	Thu, Jul 23, 2009	23.99	24.48	23.83	24.38
4320	NASDAQ	AVT	Wed, Jul 22, 2009	23.93	24.40	23.82	24.07
4319	NASDAQ	AVT	Tue, Jul 21, 2009	24.76	24.76	23.52	24.08
4318	NASDAQ	AVT	Mon, Jul 20, 2009	23.88	24.39	23.76	24.11
4317	NASDAQ	AVT	Fri, Jul 17, 2009	23.50	23.88	23.40	23.77
4316	NASDAQ	AVT	Thu, Jul 16, 2009	22.87	23.71	22.68	23.62
4315	NASDAQ	AVT	Wed, Jul 15, 2009	21.58	22.85	21.45	22.81
4314	NASDAQ	AVT	Tue, Jul 14, 2009	20.90	21.36	20.74	21.29
4313	NASDAQ	AVT	Mon, Jul 13, 2009	20.85	21.17	20.08	20.92
4312	NASDAQ	AVT	Fri, Jul 10, 2009	20.45	20.88	20.00	20.72
4311	NASDAQ	AVT	Thu, Jul 9, 2009	20.43	20.80	20.37	20.63
4310	NASDAQ	AVT	Wed, Jul 8, 2009	20.58	20.58	20.00	20.31
4309	NASDAQ	AVT	Tue, Jul 7, 2009	20.93	21.03	20.50	20.50
4308	NASDAQ	AVT	Mon, Jul 6, 2009	21.13	21.38	20.74	21.01
4307	NASDAQ	AVT	Thu, Jul 2, 2009	21.27	21.37	21.09	21.19
4306	NASDAQ	AVT	Wed, Jul 1, 2009	21.19	21.82	21.10	21.64
4305	NASDAQ	AVT	Tue, Jun 30, 2009	21.38	21.66	20.70	21.03
4304	NASDAQ	AVT	Mon, Jun 29, 2009	21.55	21.58	21.00	21.40
4303	NASDAQ	AVT	Fri, Jun 26, 2009	20.98	21.61	20.79	21.52
4302	NASDAQ	AVT	Thu, Jun 25, 2009	20.65	21.10	20.65	21.04
4301	NASDAQ	AVT	Wed, Jun 24, 2009	20.12	21.10	20.07	20.82
4300	NASDAQ	AVT	Tue, Jun 23, 2009	20.58	20.62	19.89	20.08
4299	NASDAQ	AVT	Mon, Jun 22, 2009	21.68	21.68	20.55	20.55
4298	NASDAQ	AVT	Fri, Jun 19, 2009	21.52	21.95	21.48	21.86
4297	NASDAQ	AVT	Thu, Jun 18, 2009	20.65	21.53	20.27	21.35
4296	NASDAQ	AVT	Wed, Jun 17, 2009	20.57	20.80	20.24	20.53
4295	NASDAQ	AVT	Tue, Jun 16, 2009	21.51	21.60	20.35	20.53
4294	NASDAQ	AVT	Mon, Jun 15, 2009	21.41	21.62	21.02	21.30
4293	NASDAQ	AVT	Fri, Jun 12, 2009	22.28	22.34	21.33	21.72
4292	NASDAQ	AVT	Thu, Jun 11, 2009	22.70	23.01	22.36	22.50
4291	NASDAQ	AVT	Wed, Jun 10, 2009	22.90	23.08	22.24	22.63
4290	NASDAQ	AVT	Tue, Jun 9, 2009	22.50	23.05	22.42	22.85
4289	NASDAQ	AVT	Mon, Jun 8, 2009	22.43	22.56	21.88	22.35
4288	NASDAQ	AVT	Fri, Jun 5, 2009	22.56	22.62	22.08	22.48
4287	NASDAQ	AVT	Thu, Jun 4, 2009	22.16	22.25	21.80	22.22
4286	NASDAQ	AVT	Wed, Jun 3, 2009	22.03	22.20	21.56	22.00
4285	NASDAQ	AVT	Tue, Jun 2, 2009	22.91	23.06	22.42	22.62
4284	NASDAQ	AVT	Mon, Jun 1, 2009	23.36	23.64	22.85	22.96
4283	NASDAQ	AVT	Fri, May 29, 2009	23.35	23.90	22.77	23.01
4282	NASDAQ	AVT	Thu, May 28, 2009	22.85	23.65	22.52	23.51
4281	NASDAQ	AVT	Wed, May 27, 2009	23.04	23.37	22.66	22.69
4280	NASDAQ	AVT	Tue, May 26, 2009	21.84	23.25	21.54	23.02
4279	NASDAQ	AVT	Fri, May 22, 2009	22.49	22.62	21.62	21.95
4278	NASDAQ	AVT	Thu, May 21, 2009	22.09	22.79	22.00	22.44
4277	NASDAQ	AVT	Wed, May 20, 2009	22.37	23.16	22.24	22.34
4276	NASDAQ	AVT	Tue, May 19, 2009	21.55	22.56	21.40	22.22
4275	NASDAQ	AVT	Mon, May 18, 2009	21.15	21.56	20.78	21.54
4274	NASDAQ	AVT	Fri, May 15, 2009	20.69	21.30	20.54	20.94
4273	NASDAQ	AVT	Thu, May 14, 2009	20.61	21.05	20.49	20.84
4272	NASDAQ	AVT	Wed, May 13, 2009	20.64	20.88	20.14	20.55
4271	NASDAQ	AVT	Tue, May 12, 2009	21.90	22.03	20.54	21.08
4270	NASDAQ	AVT	Mon, May 11, 2009	21.65	22.00	20.88	21.64
4269	NASDAQ	AVT	Fri, May 8, 2009	21.78	22.14	21.24	22.08
4268	NASDAQ	AVT	Thu, May 7, 2009	22.56	22.70	21.14	21.41
4267	NASDAQ	AVT	Wed, May 6, 2009	22.83	23.13	22.10	22.49
4266	NASDAQ	AVT	Tue, May 5, 2009	22.93	23.32	22.41	22.55
4265	NASDAQ	AVT	Mon, May 4, 2009	22.32	23.07	22.11	23.06
4264	NASDAQ	AVT	Fri, May 1, 2009	21.94	22.33	21.75	22.19
4263	NASDAQ	AVT	Thu, Apr 30, 2009	22.23	23.10	21.84	21.89
4262	NASDAQ	AVT	Wed, Apr 29, 2009	21.11	22.66	20.58	22.24
4261	NASDAQ	AVT	Tue, Apr 28, 2009	19.80	21.16	19.50	20.87
4260	NASDAQ	AVT	Mon, Apr 27, 2009	18.64	20.13	18.60	19.95
4259	NASDAQ	AVT	Fri, Apr 24, 2009	18.46	19.15	18.11	18.96
4258	NASDAQ	AVT	Thu, Apr 23, 2009	19.05	19.10	17.88	18.34
4257	NASDAQ	AVT	Wed, Apr 22, 2009	18.73	20.10	18.72	19.27
4256	NASDAQ	AVT	Tue, Apr 21, 2009	18.80	19.25	18.64	19.00
4255	NASDAQ	AVT	Mon, Apr 20, 2009	19.27	19.27	18.48	18.77
4254	NASDAQ	AVT	Fri, Apr 17, 2009	20.47	20.47	19.49	19.57
4253	NASDAQ	AVT	Thu, Apr 16, 2009	18.64	20.60	18.64	20.41
4252	NASDAQ	AVT	Wed, Apr 15, 2009	18.59	18.79	18.19	18.54
4251	NASDAQ	AVT	Tue, Apr 14, 2009	18.09	18.75	17.96	18.62
4250	NASDAQ	AVT	Mon, Apr 13, 2009	18.62	18.65	18.13	18.37
4249	NASDAQ	AVT	Thu, Apr 9, 2009	18.63	18.97	18.52	18.82
4248	NASDAQ	AVT	Wed, Apr 8, 2009	17.86	18.40	17.75	18.18
4247	NASDAQ	AVT	Tue, Apr 7, 2009	18.33	18.44	17.77	17.84
4246	NASDAQ	AVT	Mon, Apr 6, 2009	19.16	19.25	18.24	18.62
4245	NASDAQ	AVT	Fri, Apr 3, 2009	19.02	19.48	18.72	19.40
4244	NASDAQ	AVT	Thu, Apr 2, 2009	18.29	19.55	18.26	19.08
4243	NASDAQ	AVT	Wed, Apr 1, 2009	17.19	17.95	16.90	17.91
4242	NASDAQ	AVT	Tue, Mar 31, 2009	17.44	17.86	17.33	17.51
4241	NASDAQ	AVT	Mon, Mar 30, 2009	18.00	18.04	16.88	17.22
4240	NASDAQ	AVT	Fri, Mar 27, 2009	19.13	19.30	18.19	18.34
4239	NASDAQ	AVT	Thu, Mar 26, 2009	18.75	19.47	18.63	19.47
4238	NASDAQ	AVT	Wed, Mar 25, 2009	18.51	19.10	17.89	18.50
4237	NASDAQ	AVT	Tue, Mar 24, 2009	17.64	18.64	17.57	18.41
4236	NASDAQ	AVT	Mon, Mar 23, 2009	17.25	17.95	17.25	17.95
4235	NASDAQ	AVT	Fri, Mar 20, 2009	17.64	17.88	16.82	17.03
4234	NASDAQ	AVT	Thu, Mar 19, 2009	17.63	17.99	17.36	17.58
4233	NASDAQ	AVT	Wed, Mar 18, 2009	16.57	17.76	16.30	17.66
4232	NASDAQ	AVT	Tue, Mar 17, 2009	16.74	16.74	16.07	16.50
4231	NASDAQ	AVT	Mon, Mar 16, 2009	17.24	17.24	16.44	16.51
4230	NASDAQ	AVT	Fri, Mar 13, 2009	17.04	17.18	16.70	16.85
4229	NASDAQ	AVT	Thu, Mar 12, 2009	15.98	16.90	15.61	16.86
4228	NASDAQ	AVT	Wed, Mar 11, 2009	15.82	16.40	15.30	16.16
4227	NASDAQ	AVT	Tue, Mar 10, 2009	14.55	15.80	14.50	15.79
4226	NASDAQ	AVT	Mon, Mar 9, 2009	15.92	16.53	15.28	15.40
4225	NASDAQ	AVT	Fri, Mar 6, 2009	16.70	16.97	15.78	16.12
4224	NASDAQ	AVT	Thu, Mar 5, 2009	16.81	17.26	16.51	16.59
4223	NASDAQ	AVT	Wed, Mar 4, 2009	16.21	17.63	16.21	17.20
4222	NASDAQ	AVT	Tue, Mar 3, 2009	16.14	16.74	15.98	16.20
4221	NASDAQ	AVT	Mon, Mar 2, 2009	16.89	17.02	16.13	16.15
4220	NASDAQ	AVT	Fri, Feb 27, 2009	17.25	17.87	17.15	17.27
4219	NASDAQ	AVT	Thu, Feb 26, 2009	18.41	18.69	17.51	17.68
4218	NASDAQ	AVT	Wed, Feb 25, 2009	18.10	18.56	17.41	18.14
4217	NASDAQ	AVT	Tue, Feb 24, 2009	17.00	18.49	17.00	18.15
4216	NASDAQ	AVT	Mon, Feb 23, 2009	17.30	17.64	16.79	17.00
4215	NASDAQ	AVT	Fri, Feb 20, 2009	17.35	17.59	16.85	17.11
4214	NASDAQ	AVT	Thu, Feb 19, 2009	18.82	19.08	17.64	17.71
4213	NASDAQ	AVT	Wed, Feb 18, 2009	18.85	19.00	18.12	18.62
4212	NASDAQ	AVT	Tue, Feb 17, 2009	19.54	19.54	18.51	18.68
4211	NASDAQ	AVT	Fri, Feb 13, 2009	20.52	20.63	19.77	20.11
4210	NASDAQ	AVT	Thu, Feb 12, 2009	18.61	19.80	18.41	19.80
4209	NASDAQ	AVT	Wed, Feb 11, 2009	19.45	19.72	18.48	18.90
4208	NASDAQ	AVT	Tue, Feb 10, 2009	20.19	20.81	19.20	19.44
4207	NASDAQ	AVT	Mon, Feb 9, 2009	20.78	21.04	20.32	20.93
4206	NASDAQ	AVT	Fri, Feb 6, 2009	19.94	20.97	19.75	20.80
4205	NASDAQ	AVT	Thu, Feb 5, 2009	19.02	19.99	16.24	19.74
4204	NASDAQ	AVT	Wed, Feb 4, 2009	19.09	19.68	18.90	19.38
4203	NASDAQ	AVT	Tue, Feb 3, 2009	18.83	19.09	18.50	19.02
4202	NASDAQ	AVT	Mon, Feb 2, 2009	18.69	19.43	18.47	18.82
4201	NASDAQ	AVT	Fri, Jan 30, 2009	20.20	20.26	19.61	19.82
4200	NASDAQ	AVT	Thu, Jan 29, 2009	20.13	20.46	19.77	20.00
4199	NASDAQ	AVT	Wed, Jan 28, 2009	20.11	20.67	20.06	20.46
4198	NASDAQ	AVT	Tue, Jan 27, 2009	19.22	19.95	18.89	19.72
4197	NASDAQ	AVT	Mon, Jan 26, 2009	18.83	19.50	18.75	19.14
4196	NASDAQ	AVT	Fri, Jan 23, 2009	17.17	19.09	17.07	18.68
4195	NASDAQ	AVT	Thu, Jan 22, 2009	17.22	17.69	16.39	17.29
4194	NASDAQ	AVT	Wed, Jan 21, 2009	16.69	17.61	16.55	17.54
4193	NASDAQ	AVT	Tue, Jan 20, 2009	17.80	18.01	16.41	16.47
4192	NASDAQ	AVT	Fri, Jan 16, 2009	17.90	18.36	17.23	17.96
4191	NASDAQ	AVT	Thu, Jan 15, 2009	17.29	18.02	16.75	17.91
4190	NASDAQ	AVT	Wed, Jan 14, 2009	17.48	17.97	17.22	17.37
4189	NASDAQ	AVT	Tue, Jan 13, 2009	17.40	17.88	17.29	17.69
4188	NASDAQ	AVT	Mon, Jan 12, 2009	17.65	17.94	17.18	17.50
4187	NASDAQ	AVT	Fri, Jan 9, 2009	17.89	18.02	17.03	17.45
4186	NASDAQ	AVT	Thu, Jan 8, 2009	18.34	18.46	17.72	17.99
4185	NASDAQ	AVT	Wed, Jan 7, 2009	19.20	19.20	18.27	18.50
4184	NASDAQ	AVT	Tue, Jan 6, 2009	19.21	19.81	19.20	19.58
4183	NASDAQ	AVT	Mon, Jan 5, 2009	18.96	19.15	18.71	19.11
4182	NASDAQ	AVT	Fri, Jan 2, 2009	18.58	19.06	17.93	18.98
4181	NASDAQ	AVT	Wed, Dec 31, 2008	18.03	18.40	17.86	18.21
4180	NASDAQ	AVT	Tue, Dec 30, 2008	17.25	17.86	17.12	17.84
4179	NASDAQ	AVT	Mon, Dec 29, 2008	17.30	17.61	16.90	17.05
4178	NASDAQ	AVT	Fri, Dec 26, 2008	17.18	17.42	17.11	17.38
4177	NASDAQ	AVT	Wed, Dec 24, 2008	16.74	17.25	16.45	17.19
4176	NASDAQ	AVT	Tue, Dec 23, 2008	16.47	17.15	16.43	16.84
4175	NASDAQ	AVT	Mon, Dec 22, 2008	17.20	17.20	16.00	16.43
4174	NASDAQ	AVT	Fri, Dec 19, 2008	17.49	17.68	16.80	17.14
4173	NASDAQ	AVT	Thu, Dec 18, 2008	17.53	17.66	16.55	16.89
4172	NASDAQ	AVT	Wed, Dec 17, 2008	16.75	17.69	16.43	17.44
4171	NASDAQ	AVT	Tue, Dec 16, 2008	16.23	17.08	16.12	16.95
4170	NASDAQ	AVT	Mon, Dec 15, 2008	16.23	16.48	15.47	16.11
4169	NASDAQ	AVT	Fri, Dec 12, 2008	14.05	16.23	13.98	16.20
4168	NASDAQ	AVT	Thu, Dec 11, 2008	14.78	15.07	14.24	14.39
4167	NASDAQ	AVT	Wed, Dec 10, 2008	15.14	15.35	14.66	14.93
4166	NASDAQ	AVT	Tue, Dec 9, 2008	15.13	15.71	14.89	15.05
4165	NASDAQ	AVT	Mon, Dec 8, 2008	15.33	15.75	14.99	15.28
4164	NASDAQ	AVT	Fri, Dec 5, 2008	14.30	15.23	13.76	15.01
4163	NASDAQ	AVT	Thu, Dec 4, 2008	14.25	15.42	14.25	14.52
4162	NASDAQ	AVT	Wed, Dec 3, 2008	14.00	14.66	13.83	14.50
4161	NASDAQ	AVT	Tue, Dec 2, 2008	13.83	14.27	12.85	14.05
4160	NASDAQ	AVT	Mon, Dec 1, 2008	13.88	14.19	13.50	13.56
4159	NASDAQ	AVT	Fri, Nov 28, 2008	14.20	14.37	13.89	14.24
4158	NASDAQ	AVT	Wed, Nov 26, 2008	13.02	14.42	13.01	14.33
4157	NASDAQ	AVT	Tue, Nov 25, 2008	13.95	13.95	12.90	13.51
4156	NASDAQ	AVT	Mon, Nov 24, 2008	12.94	14.13	12.79	13.86
4155	NASDAQ	AVT	Fri, Nov 21, 2008	12.41	12.91	11.88	12.80
4154	NASDAQ	AVT	Thu, Nov 20, 2008	13.56	13.56	12.04	12.10
4153	NASDAQ	AVT	Wed, Nov 19, 2008	14.20	14.42	13.40	13.49
4152	NASDAQ	AVT	Tue, Nov 18, 2008	14.52	14.61	13.61	14.20
4151	NASDAQ	AVT	Mon, Nov 17, 2008	14.92	15.25	14.37	14.49
4150	NASDAQ	AVT	Fri, Nov 14, 2008	16.47	16.47	14.83	15.02
4149	NASDAQ	AVT	Thu, Nov 13, 2008	15.13	15.77	14.33	15.77
4148	NASDAQ	AVT	Wed, Nov 12, 2008	15.71	15.82	14.63	14.75
4147	NASDAQ	AVT	Tue, Nov 11, 2008	16.07	16.59	15.71	15.86
4146	NASDAQ	AVT	Mon, Nov 10, 2008	16.75	16.98	16.28	16.41
4145	NASDAQ	AVT	Fri, Nov 7, 2008	16.14	16.43	15.99	16.32
4144	NASDAQ	AVT	Thu, Nov 6, 2008	16.95	17.16	15.98	16.11
4143	NASDAQ	AVT	Wed, Nov 5, 2008	17.10	17.57	16.96	16.98
4142	NASDAQ	AVT	Tue, Nov 4, 2008	17.72	17.72	16.98	17.30
4141	NASDAQ	AVT	Mon, Nov 3, 2008	16.73	17.39	16.55	17.04
4140	NASDAQ	AVT	Fri, Oct 31, 2008	16.58	17.18	16.28	16.74
4139	NASDAQ	AVT	Thu, Oct 30, 2008	16.73	16.77	16.30	16.52
4138	NASDAQ	AVT	Wed, Oct 29, 2008	15.94	16.92	15.34	16.29
4137	NASDAQ	AVT	Tue, Oct 28, 2008	15.57	16.00	14.96	15.97
4136	NASDAQ	AVT	Mon, Oct 27, 2008	14.55	15.73	14.26	15.10
4135	NASDAQ	AVT	Fri, Oct 24, 2008	14.53	15.86	14.04	14.97
4134	NASDAQ	AVT	Thu, Oct 23, 2008	16.25	17.06	15.62	16.00
4133	NASDAQ	AVT	Wed, Oct 22, 2008	17.10	17.17	16.60	17.03
4132	NASDAQ	AVT	Tue, Oct 21, 2008	17.99	18.04	17.26	17.48
4131	NASDAQ	AVT	Mon, Oct 20, 2008	17.25	18.23	17.18	18.00
4130	NASDAQ	AVT	Fri, Oct 17, 2008	16.86	17.58	16.75	17.11
4129	NASDAQ	AVT	Thu, Oct 16, 2008	16.99	17.58	16.02	17.39
4128	NASDAQ	AVT	Wed, Oct 15, 2008	18.61	18.68	16.97	16.99
4127	NASDAQ	AVT	Tue, Oct 14, 2008	20.34	20.75	18.55	19.08
4126	NASDAQ	AVT	Mon, Oct 13, 2008	17.74	19.57	17.74	19.54
4125	NASDAQ	AVT	Fri, Oct 10, 2008	17.71	18.98	16.31	16.99
4124	NASDAQ	AVT	Thu, Oct 9, 2008	19.64	20.33	18.16	18.58
4123	NASDAQ	AVT	Wed, Oct 8, 2008	19.44	20.24	18.37	19.39
4122	NASDAQ	AVT	Tue, Oct 7, 2008	21.62	21.62	19.95	19.95
4121	NASDAQ	AVT	Mon, Oct 6, 2008	21.21	21.44	19.76	21.27
4120	NASDAQ	AVT	Fri, Oct 3, 2008	22.03	23.40	21.65	21.74
4119	NASDAQ	AVT	Thu, Oct 2, 2008	23.72	23.72	21.41	21.65
4118	NASDAQ	AVT	Wed, Oct 1, 2008	24.50	24.50	23.54	23.78
4117	NASDAQ	AVT	Tue, Sep 30, 2008	24.53	24.63	23.77	24.63
4116	NASDAQ	AVT	Mon, Sep 29, 2008	24.80	24.80	23.17	23.90
4115	NASDAQ	AVT	Fri, Sep 26, 2008	24.83	24.95	23.96	24.89
4114	NASDAQ	AVT	Thu, Sep 25, 2008	24.33	25.78	24.26	25.13
4113	NASDAQ	AVT	Wed, Sep 24, 2008	25.19	25.30	23.79	24.20
4112	NASDAQ	AVT	Tue, Sep 23, 2008	25.78	26.95	25.56	25.76
4111	NASDAQ	AVT	Mon, Sep 22, 2008	27.14	27.14	25.63	25.71
4110	NASDAQ	AVT	Fri, Sep 19, 2008	26.89	28.82	26.38	27.28
4109	NASDAQ	AVT	Thu, Sep 18, 2008	25.27	25.99	23.92	25.65
4108	NASDAQ	AVT	Wed, Sep 17, 2008	25.08	26.52	24.86	24.99
4107	NASDAQ	AVT	Tue, Sep 16, 2008	25.33	26.11	24.65	25.94
4106	NASDAQ	AVT	Mon, Sep 15, 2008	25.97	26.59	25.18	25.85
4105	NASDAQ	AVT	Fri, Sep 12, 2008	25.99	26.35	25.55	26.28
4104	NASDAQ	AVT	Thu, Sep 11, 2008	26.03	26.47	25.54	26.16
4103	NASDAQ	AVT	Wed, Sep 10, 2008	26.72	26.72	25.95	26.34
4102	NASDAQ	AVT	Tue, Sep 9, 2008	27.29	27.83	26.45	26.58
4101	NASDAQ	AVT	Mon, Sep 8, 2008	28.03	28.43	26.96	27.28
4100	NASDAQ	AVT	Fri, Sep 5, 2008	26.94	27.60	26.75	27.42
4099	NASDAQ	AVT	Thu, Sep 4, 2008	27.67	27.80	26.80	27.16
4098	NASDAQ	AVT	Wed, Sep 3, 2008	28.89	28.89	27.81	27.89
4097	NASDAQ	AVT	Tue, Sep 2, 2008	29.72	30.72	28.85	28.98
4096	NASDAQ	AVT	Fri, Aug 29, 2008	29.68	30.06	29.28	29.35
4095	NASDAQ	AVT	Thu, Aug 28, 2008	29.56	30.22	29.14	30.16
4094	NASDAQ	AVT	Wed, Aug 27, 2008	29.40	29.68	29.16	29.42
4093	NASDAQ	AVT	Tue, Aug 26, 2008	29.31	29.70	29.03	29.39
4092	NASDAQ	AVT	Mon, Aug 25, 2008	29.71	29.79	29.12	29.34
4091	NASDAQ	AVT	Fri, Aug 22, 2008	29.51	29.99	29.50	29.99
4090	NASDAQ	AVT	Thu, Aug 21, 2008	29.35	29.75	28.91	29.33
4089	NASDAQ	AVT	Wed, Aug 20, 2008	29.83	30.62	29.35	29.58
4088	NASDAQ	AVT	Tue, Aug 19, 2008	30.74	30.74	29.50	29.78
4087	NASDAQ	AVT	Mon, Aug 18, 2008	31.08	31.52	30.50	30.76
4086	NASDAQ	AVT	Fri, Aug 15, 2008	31.09	31.48	30.88	31.00
4085	NASDAQ	AVT	Thu, Aug 14, 2008	30.69	31.31	30.69	30.90
4084	NASDAQ	AVT	Wed, Aug 13, 2008	30.27	31.09	30.01	30.87
4083	NASDAQ	AVT	Tue, Aug 12, 2008	30.37	31.00	30.19	30.42
4082	NASDAQ	AVT	Mon, Aug 11, 2008	30.13	30.76	29.57	30.41
4081	NASDAQ	AVT	Fri, Aug 8, 2008	28.91	30.46	28.76	30.46
4080	NASDAQ	AVT	Thu, Aug 7, 2008	28.67	29.61	27.82	28.80
4079	NASDAQ	AVT	Wed, Aug 6, 2008	28.94	29.33	27.89	28.88
4078	NASDAQ	AVT	Tue, Aug 5, 2008	27.00	29.03	27.00	28.85
4077	NASDAQ	AVT	Mon, Aug 4, 2008	26.77	27.30	26.62	26.95
4076	NASDAQ	AVT	Fri, Aug 1, 2008	27.14	27.67	26.74	26.82
4075	NASDAQ	AVT	Thu, Jul 31, 2008	27.50	28.02	27.24	27.26
4074	NASDAQ	AVT	Wed, Jul 30, 2008	28.01	28.40	27.49	27.69
4073	NASDAQ	AVT	Tue, Jul 29, 2008	27.40	28.05	27.28	27.80
4072	NASDAQ	AVT	Mon, Jul 28, 2008	27.34	27.88	27.27	27.40
4071	NASDAQ	AVT	Fri, Jul 25, 2008	28.29	28.37	26.89	27.38
4070	NASDAQ	AVT	Thu, Jul 24, 2008	28.88	28.91	27.86	27.90
4069	NASDAQ	AVT	Wed, Jul 23, 2008	26.90	29.28	26.76	28.98
4068	NASDAQ	AVT	Tue, Jul 22, 2008	27.02	27.06	25.74	26.57
4067	NASDAQ	AVT	Mon, Jul 21, 2008	28.08	28.08	26.93	27.24
4066	NASDAQ	AVT	Fri, Jul 18, 2008	27.21	27.71	27.00	27.57
4065	NASDAQ	AVT	Thu, Jul 17, 2008	26.02	27.36	26.02	27.30
4064	NASDAQ	AVT	Wed, Jul 16, 2008	25.16	26.02	24.78	25.93
4063	NASDAQ	AVT	Tue, Jul 15, 2008	24.80	25.39	24.38	25.12
4062	NASDAQ	AVT	Mon, Jul 14, 2008	25.86	25.93	24.76	25.00
4061	NASDAQ	AVT	Fri, Jul 11, 2008	25.51	26.13	25.19	25.50
4060	NASDAQ	AVT	Thu, Jul 10, 2008	25.64	25.92	25.15	25.71
4059	NASDAQ	AVT	Wed, Jul 9, 2008	26.63	27.00	25.78	25.85
4058	NASDAQ	AVT	Tue, Jul 8, 2008	25.98	26.96	25.60	26.88
4057	NASDAQ	AVT	Mon, Jul 7, 2008	25.40	26.45	25.40	26.09
4056	NASDAQ	AVT	Thu, Jul 3, 2008	25.56	25.58	24.69	25.31
4055	NASDAQ	AVT	Wed, Jul 2, 2008	27.00	27.00	25.50	25.53
4054	NASDAQ	AVT	Tue, Jul 1, 2008	26.95	27.12	26.45	27.00
4053	NASDAQ	AVT	Mon, Jun 30, 2008	26.78	27.71	26.74	27.28
4052	NASDAQ	AVT	Fri, Jun 27, 2008	28.31	28.31	26.78	27.55
4051	NASDAQ	AVT	Thu, Jun 26, 2008	28.15	28.76	28.06	28.32
4050	NASDAQ	AVT	Wed, Jun 25, 2008	28.05	29.28	28.05	28.86
4049	NASDAQ	AVT	Tue, Jun 24, 2008	28.50	29.02	27.89	28.15
4048	NASDAQ	AVT	Mon, Jun 23, 2008	29.32	29.68	28.79	28.85
4047	NASDAQ	AVT	Fri, Jun 20, 2008	29.03	29.65	28.71	29.15
4046	NASDAQ	AVT	Thu, Jun 19, 2008	28.90	29.97	28.90	29.85
4045	NASDAQ	AVT	Wed, Jun 18, 2008	29.19	29.55	28.96	29.11
4044	NASDAQ	AVT	Tue, Jun 17, 2008	29.78	29.92	29.38	29.50
4043	NASDAQ	AVT	Mon, Jun 16, 2008	29.36	29.98	29.36	29.64
4042	NASDAQ	AVT	Fri, Jun 13, 2008	29.05	29.96	29.05	29.68
4041	NASDAQ	AVT	Thu, Jun 12, 2008	28.67	29.39	28.67	29.07
4040	NASDAQ	AVT	Wed, Jun 11, 2008	29.60	29.78	28.62	28.62
4039	NASDAQ	AVT	Tue, Jun 10, 2008	29.90	30.07	29.57	29.83
4038	NASDAQ	AVT	Mon, Jun 9, 2008	30.67	30.77	29.54	30.00
4037	NASDAQ	AVT	Fri, Jun 6, 2008	31.06	31.35	30.58	30.58
4036	NASDAQ	AVT	Thu, Jun 5, 2008	30.40	31.38	30.18	31.33
4035	NASDAQ	AVT	Wed, Jun 4, 2008	29.59	30.39	29.18	30.33
4034	NASDAQ	AVT	Tue, Jun 3, 2008	29.44	30.19	29.04	29.60
4033	NASDAQ	AVT	Mon, Jun 2, 2008	29.42	29.74	28.94	29.30
4032	NASDAQ	AVT	Fri, May 30, 2008	29.10	29.70	28.72	29.52
4031	NASDAQ	AVT	Thu, May 29, 2008	28.73	29.18	28.50	29.00
4030	NASDAQ	AVT	Wed, May 28, 2008	28.50	28.71	28.38	28.71
4029	NASDAQ	AVT	Tue, May 27, 2008	27.96	28.52	27.95	28.38
4028	NASDAQ	AVT	Fri, May 23, 2008	27.70	28.16	27.44	27.95
4027	NASDAQ	AVT	Thu, May 22, 2008	26.97	27.89	26.41	27.84
4026	NASDAQ	AVT	Wed, May 21, 2008	27.46	27.51	26.61	26.71
4025	NASDAQ	AVT	Tue, May 20, 2008	27.82	27.89	27.09	27.36
4024	NASDAQ	AVT	Mon, May 19, 2008	27.84	28.33	27.72	27.93
4023	NASDAQ	AVT	Fri, May 16, 2008	28.52	28.52	27.80	27.88
4022	NASDAQ	AVT	Thu, May 15, 2008	27.94	28.35	27.38	28.33
4021	NASDAQ	AVT	Wed, May 14, 2008	27.73	28.06	27.49	27.62
4020	NASDAQ	AVT	Tue, May 13, 2008	27.78	27.78	27.35	27.52
4019	NASDAQ	AVT	Mon, May 12, 2008	27.35	27.52	26.95	27.43
4018	NASDAQ	AVT	Fri, May 9, 2008	26.80	27.35	26.66	27.24
4017	NASDAQ	AVT	Thu, May 8, 2008	27.39	27.46	26.89	27.00
4016	NASDAQ	AVT	Wed, May 7, 2008	27.89	27.99	26.96	27.00
4015	NASDAQ	AVT	Tue, May 6, 2008	27.21	27.83	26.92	27.66
4014	NASDAQ	AVT	Mon, May 5, 2008	27.74	27.89	26.87	27.22
4013	NASDAQ	AVT	Fri, May 2, 2008	27.43	27.64	27.09	27.59
4012	NASDAQ	AVT	Thu, May 1, 2008	26.47	27.87	26.00	27.43
4011	NASDAQ	AVT	Wed, Apr 30, 2008	26.88	26.88	26.13	26.19
4010	NASDAQ	AVT	Tue, Apr 29, 2008	27.07	27.21	26.51	26.63
4009	NASDAQ	AVT	Mon, Apr 28, 2008	26.43	27.44	25.93	27.16
4008	NASDAQ	AVT	Fri, Apr 25, 2008	26.81	27.13	25.68	26.19
4007	NASDAQ	AVT	Thu, Apr 24, 2008	26.11	26.83	25.65	26.69
4006	NASDAQ	AVT	Wed, Apr 23, 2008	26.90	27.92	25.86	26.39
4005	NASDAQ	AVT	Tue, Apr 22, 2008	27.16	27.37	26.71	27.08
4004	NASDAQ	AVT	Mon, Apr 21, 2008	27.39	27.67	26.89	27.25
4003	NASDAQ	AVT	Fri, Apr 18, 2008	28.72	28.73	27.48	27.54
4002	NASDAQ	AVT	Thu, Apr 17, 2008	28.14	28.26	27.65	28.20
4001	NASDAQ	AVT	Wed, Apr 16, 2008	28.20	28.39	27.68	28.31
4000	NASDAQ	AVT	Tue, Apr 15, 2008	30.00	31.13	27.76	28.38
3999	NASDAQ	AVT	Mon, Apr 14, 2008	32.63	32.87	32.20	32.33
3998	NASDAQ	AVT	Fri, Apr 11, 2008	33.31	33.69	32.57	32.70
3997	NASDAQ	AVT	Thu, Apr 10, 2008	33.28	33.98	32.91	33.87
3996	NASDAQ	AVT	Wed, Apr 9, 2008	34.18	34.18	33.25	33.38
3995	NASDAQ	AVT	Tue, Apr 8, 2008	34.01	34.37	33.70	34.06
3994	NASDAQ	AVT	Mon, Apr 7, 2008	33.64	35.00	33.64	34.12
3993	NASDAQ	AVT	Fri, Apr 4, 2008	33.50	34.00	33.04	33.51
3992	NASDAQ	AVT	Thu, Apr 3, 2008	33.45	33.75	33.00	33.62
3991	NASDAQ	AVT	Wed, Apr 2, 2008	33.95	34.26	33.23	33.67
3990	NASDAQ	AVT	Tue, Apr 1, 2008	32.99	34.19	32.99	34.03
3989	NASDAQ	AVT	Mon, Mar 31, 2008	32.22	32.93	32.03	32.73
3988	NASDAQ	AVT	Fri, Mar 28, 2008	32.34	33.12	32.31	32.62
3987	NASDAQ	AVT	Thu, Mar 27, 2008	33.71	33.71	32.13	32.13
3986	NASDAQ	AVT	Wed, Mar 26, 2008	33.60	33.79	33.16	33.62
3985	NASDAQ	AVT	Tue, Mar 25, 2008	33.46	33.74	32.95	33.68
3984	NASDAQ	AVT	Mon, Mar 24, 2008	31.75	34.02	31.75	33.58
3983	NASDAQ	AVT	Thu, Mar 20, 2008	30.59	31.87	30.20	31.87
3982	NASDAQ	AVT	Wed, Mar 19, 2008	31.67	31.77	30.70	30.70
3981	NASDAQ	AVT	Tue, Mar 18, 2008	31.35	31.67	30.86	31.58
3980	NASDAQ	AVT	Mon, Mar 17, 2008	30.91	31.83	30.73	30.75
3979	NASDAQ	AVT	Fri, Mar 14, 2008	32.46	32.69	31.21	31.65
3978	NASDAQ	AVT	Thu, Mar 13, 2008	31.74	32.54	31.17	32.21
3977	NASDAQ	AVT	Wed, Mar 12, 2008	32.95	33.13	32.09	32.16
3976	NASDAQ	AVT	Tue, Mar 11, 2008	33.49	33.70	31.96	32.92
3975	NASDAQ	AVT	Mon, Mar 10, 2008	33.37	33.98	32.76	32.79
3974	NASDAQ	AVT	Fri, Mar 7, 2008	33.00	33.94	32.60	33.39
3973	NASDAQ	AVT	Thu, Mar 6, 2008	33.85	33.95	33.28	33.46
3972	NASDAQ	AVT	Wed, Mar 5, 2008	33.88	34.34	33.68	33.97
3971	NASDAQ	AVT	Tue, Mar 4, 2008	33.57	33.86	32.62	33.58
3970	NASDAQ	AVT	Mon, Mar 3, 2008	33.65	33.99	33.23	33.85
3969	NASDAQ	AVT	Fri, Feb 29, 2008	34.58	34.58	33.55	33.71
3968	NASDAQ	AVT	Thu, Feb 28, 2008	35.84	36.17	34.46	34.88
3967	NASDAQ	AVT	Wed, Feb 27, 2008	35.22	36.40	35.08	36.10
3966	NASDAQ	AVT	Tue, Feb 26, 2008	35.87	35.87	34.51	35.57
3965	NASDAQ	AVT	Mon, Feb 25, 2008	34.31	35.10	33.75	34.97
3964	NASDAQ	AVT	Fri, Feb 22, 2008	34.35	34.65	33.72	34.20
3963	NASDAQ	AVT	Thu, Feb 21, 2008	34.01	34.73	34.01	34.32
3962	NASDAQ	AVT	Wed, Feb 20, 2008	32.96	34.17	32.96	33.88
3961	NASDAQ	AVT	Tue, Feb 19, 2008	33.11	33.58	32.97	33.18
3960	NASDAQ	AVT	Fri, Feb 15, 2008	32.78	33.01	32.20	32.71
3959	NASDAQ	AVT	Thu, Feb 14, 2008	34.79	34.98	32.81	32.90
3958	NASDAQ	AVT	Wed, Feb 13, 2008	34.57	35.11	34.28	34.81
3957	NASDAQ	AVT	Tue, Feb 12, 2008	34.53	35.00	33.88	34.13
3956	NASDAQ	AVT	Mon, Feb 11, 2008	33.64	34.46	33.60	34.42
3955	NASDAQ	AVT	Fri, Feb 8, 2008	34.29	34.49	33.13	33.54
3954	NASDAQ	AVT	Thu, Feb 7, 2008	33.76	34.46	32.57	34.46
3953	NASDAQ	AVT	Wed, Feb 6, 2008	34.84	34.84	33.50	33.89
3952	NASDAQ	AVT	Tue, Feb 5, 2008	35.22	35.28	33.97	34.62
3951	NASDAQ	AVT	Mon, Feb 4, 2008	36.73	36.73	35.41	35.90
3950	NASDAQ	AVT	Fri, Feb 1, 2008	35.60	36.82	35.51	36.74
3949	NASDAQ	AVT	Thu, Jan 31, 2008	34.76	35.86	34.33	35.61
3948	NASDAQ	AVT	Wed, Jan 30, 2008	34.95	35.94	34.54	35.28
3947	NASDAQ	AVT	Tue, Jan 29, 2008	34.10	35.10	33.99	35.09
3946	NASDAQ	AVT	Mon, Jan 28, 2008	33.49	33.85	32.76	33.85
3945	NASDAQ	AVT	Fri, Jan 25, 2008	33.90	36.00	32.00	33.55
3944	NASDAQ	AVT	Thu, Jan 24, 2008	31.99	35.04	31.50	34.73
3943	NASDAQ	AVT	Wed, Jan 23, 2008	29.74	30.65	28.87	30.50
3942	NASDAQ	AVT	Tue, Jan 22, 2008	29.82	31.56	29.54	30.60
3941	NASDAQ	AVT	Fri, Jan 18, 2008	29.82	31.41	29.50	31.12
3940	NASDAQ	AVT	Thu, Jan 17, 2008	30.66	31.39	29.36	29.43
3939	NASDAQ	AVT	Wed, Jan 16, 2008	29.97	31.26	29.96	30.66
3938	NASDAQ	AVT	Tue, Jan 15, 2008	30.80	31.22	30.01	30.30
3937	NASDAQ	AVT	Mon, Jan 14, 2008	30.53	31.68	30.23	31.19
3936	NASDAQ	AVT	Fri, Jan 11, 2008	30.90	31.02	30.25	30.27
3935	NASDAQ	AVT	Thu, Jan 10, 2008	30.71	31.58	30.33	31.10
3934	NASDAQ	AVT	Wed, Jan 9, 2008	30.10	31.26	29.98	30.99
3933	NASDAQ	AVT	Tue, Jan 8, 2008	32.02	32.04	30.15	30.19
3932	NASDAQ	AVT	Mon, Jan 7, 2008	31.55	32.29	31.32	31.77
3931	NASDAQ	AVT	Fri, Jan 4, 2008	33.10	33.32	31.32	31.64
3930	NASDAQ	AVT	Thu, Jan 3, 2008	34.61	35.25	33.30	33.48
3929	NASDAQ	AVT	Wed, Jan 2, 2008	34.76	35.43	33.84	34.62
3928	NASDAQ	AVT	Mon, Dec 31, 2007	35.39	35.59	34.63	34.97
3927	NASDAQ	AVT	Fri, Dec 28, 2007	35.11	35.79	34.97	35.37
3926	NASDAQ	AVT	Thu, Dec 27, 2007	36.15	36.25	35.19	35.25
3925	NASDAQ	AVT	Wed, Dec 26, 2007	36.60	36.60	35.81	36.19
3924	NASDAQ	AVT	Mon, Dec 24, 2007	35.88	36.54	35.76	36.28
3923	NASDAQ	AVT	Fri, Dec 21, 2007	35.65	36.81	35.49	35.91
3922	NASDAQ	AVT	Thu, Dec 20, 2007	34.70	35.57	34.40	35.57
3921	NASDAQ	AVT	Wed, Dec 19, 2007	33.07	34.58	33.07	34.38
3920	NASDAQ	AVT	Tue, Dec 18, 2007	34.88	34.88	32.59	33.20
3919	NASDAQ	AVT	Mon, Dec 17, 2007	34.76	35.14	32.80	34.75
3918	NASDAQ	AVT	Fri, Dec 14, 2007	35.40	35.59	34.66	35.00
3917	NASDAQ	AVT	Thu, Dec 13, 2007	35.23	35.84	34.60	35.65
3916	NASDAQ	AVT	Wed, Dec 12, 2007	35.66	36.39	35.02	35.32
3915	NASDAQ	AVT	Tue, Dec 11, 2007	37.55	37.69	35.02	35.17
3914	NASDAQ	AVT	Mon, Dec 10, 2007	37.13	37.13	35.76	36.26
3913	NASDAQ	AVT	Fri, Dec 7, 2007	35.71	37.25	35.48	37.10
3912	NASDAQ	AVT	Thu, Dec 6, 2007	34.49	35.58	34.29	35.54
3911	NASDAQ	AVT	Wed, Dec 5, 2007	34.49	35.35	34.18	34.48
3910	NASDAQ	AVT	Tue, Dec 4, 2007	33.85	34.94	33.81	34.35
3909	NASDAQ	AVT	Mon, Dec 3, 2007	34.28	34.41	33.47	33.80
3908	NASDAQ	AVT	Fri, Nov 30, 2007	35.15	35.67	34.29	34.50
3907	NASDAQ	AVT	Thu, Nov 29, 2007	34.92	35.29	34.66	34.87
3906	NASDAQ	AVT	Wed, Nov 28, 2007	34.04	35.38	34.04	34.80
3905	NASDAQ	AVT	Tue, Nov 27, 2007	33.80	34.14	33.05	33.85
3904	NASDAQ	AVT	Mon, Nov 26, 2007	33.12	34.41	32.32	33.34
3903	NASDAQ	AVT	Fri, Nov 23, 2007	33.29	33.44	32.81	32.99
3902	NASDAQ	AVT	Wed, Nov 21, 2007	33.80	34.47	32.97	33.15
3901	NASDAQ	AVT	Tue, Nov 20, 2007	34.18	35.24	33.25	34.10
3900	NASDAQ	AVT	Mon, Nov 19, 2007	33.15	34.17	32.81	33.91
3899	NASDAQ	AVT	Fri, Nov 16, 2007	35.15	35.20	32.79	33.43
3898	NASDAQ	AVT	Thu, Nov 15, 2007	35.37	35.75	34.55	35.10
3897	NASDAQ	AVT	Wed, Nov 14, 2007	35.96	36.31	35.56	35.77
3896	NASDAQ	AVT	Tue, Nov 13, 2007	35.47	36.36	35.08	35.84
3895	NASDAQ	AVT	Mon, Nov 12, 2007	36.37	37.45	34.99	35.20
3894	NASDAQ	AVT	Fri, Nov 9, 2007	36.50	37.26	35.91	36.60
3893	NASDAQ	AVT	Thu, Nov 8, 2007	37.03	38.08	35.98	37.00
3892	NASDAQ	AVT	Wed, Nov 7, 2007	38.70	39.00	37.31	37.38
3891	NASDAQ	AVT	Tue, Nov 6, 2007	39.00	39.31	37.87	38.82
3890	NASDAQ	AVT	Mon, Nov 5, 2007	39.67	40.45	38.84	38.93
3889	NASDAQ	AVT	Fri, Nov 2, 2007	42.14	42.34	40.19	40.50
3888	NASDAQ	AVT	Thu, Nov 1, 2007	41.40	42.38	41.20	41.95
3887	NASDAQ	AVT	Wed, Oct 31, 2007	41.05	42.31	40.71	41.72
3886	NASDAQ	AVT	Tue, Oct 30, 2007	40.72	41.79	40.32	41.01
3885	NASDAQ	AVT	Mon, Oct 29, 2007	39.65	40.95	39.55	40.64
3884	NASDAQ	AVT	Fri, Oct 26, 2007	40.64	40.86	39.00	39.35
3883	NASDAQ	AVT	Thu, Oct 25, 2007	42.18	42.44	38.69	40.05
3882	NASDAQ	AVT	Wed, Oct 24, 2007	40.41	40.61	38.73	39.59
3881	NASDAQ	AVT	Tue, Oct 23, 2007	42.50	42.50	40.45	40.57
3880	NASDAQ	AVT	Mon, Oct 22, 2007	40.90	42.21	40.80	41.98
3879	NASDAQ	AVT	Fri, Oct 19, 2007	42.41	42.48	41.43	41.45
3878	NASDAQ	AVT	Thu, Oct 18, 2007	42.65	42.95	42.26	42.41
3877	NASDAQ	AVT	Wed, Oct 17, 2007	43.29	43.88	42.24	42.90
3876	NASDAQ	AVT	Tue, Oct 16, 2007	43.25	43.90	43.05	43.24
3875	NASDAQ	AVT	Mon, Oct 15, 2007	43.75	44.08	43.20	43.56
3874	NASDAQ	AVT	Fri, Oct 12, 2007	43.06	44.37	43.06	43.47
3873	NASDAQ	AVT	Thu, Oct 11, 2007	43.45	44.09	42.16	42.84
3872	NASDAQ	AVT	Wed, Oct 10, 2007	43.41	43.77	42.72	43.32
3871	NASDAQ	AVT	Tue, Oct 9, 2007	43.71	43.74	42.71	43.57
3870	NASDAQ	AVT	Mon, Oct 8, 2007	44.25	44.25	43.13	43.39
3869	NASDAQ	AVT	Fri, Oct 5, 2007	42.54	44.03	42.54	43.75
3868	NASDAQ	AVT	Thu, Oct 4, 2007	42.20	42.50	41.78	42.35
3867	NASDAQ	AVT	Wed, Oct 3, 2007	41.07	42.41	40.75	42.12
3866	NASDAQ	AVT	Tue, Oct 2, 2007	40.30	41.53	40.10	41.38
3865	NASDAQ	AVT	Mon, Oct 1, 2007	39.86	40.68	39.69	40.35
3864	NASDAQ	AVT	Fri, Sep 28, 2007	41.00	41.23	39.59	39.86
3863	NASDAQ	AVT	Thu, Sep 27, 2007	40.75	41.22	39.81	41.16
3862	NASDAQ	AVT	Wed, Sep 26, 2007	40.25	41.07	39.97	40.23
3861	NASDAQ	AVT	Tue, Sep 25, 2007	41.03	41.60	40.61	41.46
3860	NASDAQ	AVT	Mon, Sep 24, 2007	41.50	41.70	40.32	41.03
3859	NASDAQ	AVT	Fri, Sep 21, 2007	41.28	41.70	40.93	41.54
3858	NASDAQ	AVT	Thu, Sep 20, 2007	40.67	41.12	40.18	41.00
3857	NASDAQ	AVT	Wed, Sep 19, 2007	40.50	41.51	40.36	40.63
3856	NASDAQ	AVT	Tue, Sep 18, 2007	38.23	40.52	38.16	40.44
3855	NASDAQ	AVT	Mon, Sep 17, 2007	38.32	39.06	38.05	38.05
3854	NASDAQ	AVT	Fri, Sep 14, 2007	38.82	39.25	38.26	38.68
3853	NASDAQ	AVT	Thu, Sep 13, 2007	40.00	40.26	39.15	39.23
3852	NASDAQ	AVT	Wed, Sep 12, 2007	39.66	40.32	39.44	39.89
3851	NASDAQ	AVT	Tue, Sep 11, 2007	39.74	40.20	39.29	39.93
3850	NASDAQ	AVT	Mon, Sep 10, 2007	39.74	40.23	38.57	39.61
3849	NASDAQ	AVT	Fri, Sep 7, 2007	39.75	40.29	39.20	39.46
3848	NASDAQ	AVT	Thu, Sep 6, 2007	39.61	40.34	39.25	40.29
3847	NASDAQ	AVT	Wed, Sep 5, 2007	40.03	40.88	39.12	39.31
3846	NASDAQ	AVT	Tue, Sep 4, 2007	39.63	40.72	39.31	40.27
3845	NASDAQ	AVT	Fri, Aug 31, 2007	38.85	39.53	38.46	39.31
3844	NASDAQ	AVT	Thu, Aug 30, 2007	37.75	38.98	37.67	38.24
3843	NASDAQ	AVT	Wed, Aug 29, 2007	37.98	38.42	37.70	38.22
3842	NASDAQ	AVT	Tue, Aug 28, 2007	38.49	38.81	37.46	37.67
3841	NASDAQ	AVT	Mon, Aug 27, 2007	39.22	39.57	38.46	38.62
3840	NASDAQ	AVT	Fri, Aug 24, 2007	39.02	39.50	38.57	39.22
3839	NASDAQ	AVT	Thu, Aug 23, 2007	39.05	39.38	38.56	39.08
3838	NASDAQ	AVT	Wed, Aug 22, 2007	39.37	40.34	38.44	38.73
3837	NASDAQ	AVT	Tue, Aug 21, 2007	38.89	39.23	38.41	38.91
3836	NASDAQ	AVT	Mon, Aug 20, 2007	39.00	39.29	37.92	38.80
3835	NASDAQ	AVT	Fri, Aug 17, 2007	39.67	40.15	38.29	39.06
3834	NASDAQ	AVT	Thu, Aug 16, 2007	37.01	38.68	36.67	38.49
3833	NASDAQ	AVT	Wed, Aug 15, 2007	39.27	39.74	37.43	37.90
3832	NASDAQ	AVT	Tue, Aug 14, 2007	39.09	40.14	38.46	39.27
3831	NASDAQ	AVT	Mon, Aug 13, 2007	38.76	41.10	38.00	39.42
3830	NASDAQ	AVT	Fri, Aug 10, 2007	33.83	37.75	32.43	36.76
3829	NASDAQ	AVT	Thu, Aug 9, 2007	35.01	35.88	33.00	34.34
3828	NASDAQ	AVT	Wed, Aug 8, 2007	38.75	40.29	35.23	36.17
3827	NASDAQ	AVT	Tue, Aug 7, 2007	36.25	37.06	35.88	36.50
3826	NASDAQ	AVT	Mon, Aug 6, 2007	36.80	36.86	35.70	36.51
3825	NASDAQ	AVT	Fri, Aug 3, 2007	38.14	38.14	36.36	36.46
3824	NASDAQ	AVT	Thu, Aug 2, 2007	38.11	38.40	37.43	38.14
3823	NASDAQ	AVT	Wed, Aug 1, 2007	37.81	38.09	36.80	38.00
3822	NASDAQ	AVT	Tue, Jul 31, 2007	39.51	39.66	37.76	37.88
3821	NASDAQ	AVT	Mon, Jul 30, 2007	38.46	39.31	38.37	39.13
3820	NASDAQ	AVT	Fri, Jul 27, 2007	40.45	40.55	38.50	38.62
3819	NASDAQ	AVT	Thu, Jul 26, 2007	40.59	40.96	39.35	40.19
3818	NASDAQ	AVT	Wed, Jul 25, 2007	42.54	42.70	40.98	41.26
3817	NASDAQ	AVT	Tue, Jul 24, 2007	42.84	43.29	42.41	42.68
3816	NASDAQ	AVT	Mon, Jul 23, 2007	44.06	44.15	43.26	43.30
3815	NASDAQ	AVT	Fri, Jul 20, 2007	44.02	44.41	43.21	43.78
3814	NASDAQ	AVT	Thu, Jul 19, 2007	41.75	44.68	41.72	44.33
3813	NASDAQ	AVT	Wed, Jul 18, 2007	40.94	41.53	40.88	41.25
3812	NASDAQ	AVT	Tue, Jul 17, 2007	40.76	41.75	40.56	41.35
3811	NASDAQ	AVT	Mon, Jul 16, 2007	40.78	41.80	40.56	40.86
3810	NASDAQ	AVT	Fri, Jul 13, 2007	41.02	41.29	40.60	40.97
3809	NASDAQ	AVT	Thu, Jul 12, 2007	40.84	41.20	40.60	41.00
3808	NASDAQ	AVT	Wed, Jul 11, 2007	40.07	40.90	40.07	40.54
3807	NASDAQ	AVT	Tue, Jul 10, 2007	41.00	41.04	40.02	40.15
3806	NASDAQ	AVT	Mon, Jul 9, 2007	41.48	41.75	40.83	41.35
3805	NASDAQ	AVT	Fri, Jul 6, 2007	41.09	41.50	40.94	41.20
3804	NASDAQ	AVT	Thu, Jul 5, 2007	41.44	41.64	40.70	40.86
3803	NASDAQ	AVT	Tue, Jul 3, 2007	41.43	41.95	41.34	41.44
3802	NASDAQ	AVT	Mon, Jul 2, 2007	39.75	41.58	39.75	41.38
3801	NASDAQ	AVT	Fri, Jun 29, 2007	39.58	40.42	39.47	39.64
3800	NASDAQ	AVT	Thu, Jun 28, 2007	40.43	40.43	39.43	39.51
3799	NASDAQ	AVT	Wed, Jun 27, 2007	40.63	40.83	40.06	40.44
3798	NASDAQ	AVT	Tue, Jun 26, 2007	41.99	42.20	40.51	40.63
3797	NASDAQ	AVT	Mon, Jun 25, 2007	42.53	42.63	41.62	41.69
3796	NASDAQ	AVT	Fri, Jun 22, 2007	42.00	42.00	41.25	41.82
3795	NASDAQ	AVT	Thu, Jun 21, 2007	41.10	42.22	40.36	42.22
3794	NASDAQ	AVT	Wed, Jun 20, 2007	42.05	42.44	41.05	41.10
3793	NASDAQ	AVT	Tue, Jun 19, 2007	42.64	42.65	41.24	41.80
3792	NASDAQ	AVT	Mon, Jun 18, 2007	43.04	43.04	42.13	42.70
3791	NASDAQ	AVT	Fri, Jun 15, 2007	42.83	43.36	42.76	43.12
3790	NASDAQ	AVT	Thu, Jun 14, 2007	42.15	42.60	42.05	42.60
3789	NASDAQ	AVT	Wed, Jun 13, 2007	42.25	44.18	41.64	42.01
3788	NASDAQ	AVT	Tue, Jun 12, 2007	42.42	42.76	41.98	42.03
3787	NASDAQ	AVT	Mon, Jun 11, 2007	42.56	43.20	41.92	42.50
3786	NASDAQ	AVT	Fri, Jun 8, 2007	41.24	42.59	40.93	42.57
3785	NASDAQ	AVT	Thu, Jun 7, 2007	42.11	42.66	41.24	41.25
3784	NASDAQ	AVT	Wed, Jun 6, 2007	43.13	43.16	41.92	42.11
3783	NASDAQ	AVT	Tue, Jun 5, 2007	43.62	43.90	42.79	43.12
3782	NASDAQ	AVT	Mon, Jun 4, 2007	42.91	43.70	42.55	43.62
3781	NASDAQ	AVT	Fri, Jun 1, 2007	42.98	43.22	42.58	43.06
3780	NASDAQ	AVT	Thu, May 31, 2007	42.46	42.97	42.26	42.84
3779	NASDAQ	AVT	Wed, May 30, 2007	40.92	42.18	40.54	42.14
3778	NASDAQ	AVT	Tue, May 29, 2007	40.64	41.24	40.64	41.05
3777	NASDAQ	AVT	Fri, May 25, 2007	40.33	40.56	40.12	40.40
3776	NASDAQ	AVT	Thu, May 24, 2007	41.15	41.30	40.15	40.33
3775	NASDAQ	AVT	Wed, May 23, 2007	42.60	42.74	40.70	41.00
3774	NASDAQ	AVT	Tue, May 22, 2007	42.40	42.62	41.65	42.56
3773	NASDAQ	AVT	Mon, May 21, 2007	42.37	43.25	42.29	42.98
3772	NASDAQ	AVT	Fri, May 18, 2007	42.22	42.43	41.61	42.29
3771	NASDAQ	AVT	Thu, May 17, 2007	43.02	43.02	41.97	42.00
3770	NASDAQ	AVT	Wed, May 16, 2007	43.03	43.25	42.73	43.15
3769	NASDAQ	AVT	Tue, May 15, 2007	42.90	43.55	42.54	42.62
3768	NASDAQ	AVT	Mon, May 14, 2007	43.00	43.71	42.72	42.95
3767	NASDAQ	AVT	Fri, May 11, 2007	42.84	43.18	42.51	43.07
3766	NASDAQ	AVT	Thu, May 10, 2007	42.75	42.88	42.39	42.79
3765	NASDAQ	AVT	Wed, May 9, 2007	41.85	43.05	41.81	42.86
3764	NASDAQ	AVT	Tue, May 8, 2007	41.75	42.05	41.17	41.95
3763	NASDAQ	AVT	Mon, May 7, 2007	41.93	42.20	41.71	41.86
3762	NASDAQ	AVT	Fri, May 4, 2007	42.41	42.49	41.71	41.99
3761	NASDAQ	AVT	Thu, May 3, 2007	40.96	42.37	40.96	42.18
3760	NASDAQ	AVT	Wed, May 2, 2007	40.98	41.17	40.83	40.96
3759	NASDAQ	AVT	Tue, May 1, 2007	40.85	41.35	40.71	40.81
3758	NASDAQ	AVT	Mon, Apr 30, 2007	41.36	41.78	40.90	40.90
3757	NASDAQ	AVT	Fri, Apr 27, 2007	41.30	41.87	41.11	41.36
3756	NASDAQ	AVT	Thu, Apr 26, 2007	38.75	42.26	38.50	41.87
3755	NASDAQ	AVT	Wed, Apr 25, 2007	39.15	39.65	38.73	39.37
3754	NASDAQ	AVT	Tue, Apr 24, 2007	39.00	39.00	38.03	38.91
3753	NASDAQ	AVT	Mon, Apr 23, 2007	38.41	39.33	38.25	39.00
3752	NASDAQ	AVT	Fri, Apr 20, 2007	38.02	38.40	37.85	38.33
3751	NASDAQ	AVT	Thu, Apr 19, 2007	37.86	38.08	36.78	37.70
3750	NASDAQ	AVT	Wed, Apr 18, 2007	38.21	38.42	37.83	38.02
3749	NASDAQ	AVT	Tue, Apr 17, 2007	38.65	38.65	37.80	38.21
3748	NASDAQ	AVT	Mon, Apr 16, 2007	37.50	38.99	37.38	38.65
3747	NASDAQ	AVT	Fri, Apr 13, 2007	39.30	39.30	37.82	38.30
3746	NASDAQ	AVT	Thu, Apr 12, 2007	38.65	38.65	37.79	38.43
3745	NASDAQ	AVT	Wed, Apr 11, 2007	38.56	39.00	38.31	38.75
3744	NASDAQ	AVT	Tue, Apr 10, 2007	38.55	38.70	38.08	38.48
3743	NASDAQ	AVT	Mon, Apr 9, 2007	39.04	39.04	37.89	38.33
3742	NASDAQ	AVT	Thu, Apr 5, 2007	37.58	39.16	37.52	38.88
3741	NASDAQ	AVT	Wed, Apr 4, 2007	37.11	37.36	37.00	37.21
3740	NASDAQ	AVT	Tue, Apr 3, 2007	37.03	37.34	36.86	37.04
3739	NASDAQ	AVT	Mon, Apr 2, 2007	36.52	36.66	35.81	36.39
3738	NASDAQ	AVT	Fri, Mar 30, 2007	36.42	36.52	36.03	36.14
3737	NASDAQ	AVT	Thu, Mar 29, 2007	36.60	36.85	35.86	36.32
3736	NASDAQ	AVT	Wed, Mar 28, 2007	37.65	37.65	36.45	36.49
3735	NASDAQ	AVT	Tue, Mar 27, 2007	37.78	38.20	37.22	37.76
3734	NASDAQ	AVT	Mon, Mar 26, 2007	38.00	38.18	37.33	37.80
3733	NASDAQ	AVT	Fri, Mar 23, 2007	37.83	38.19	37.77	37.89
3732	NASDAQ	AVT	Thu, Mar 22, 2007	38.00	38.07	37.29	37.90
3731	NASDAQ	AVT	Wed, Mar 21, 2007	37.48	38.00	37.07	37.99
3730	NASDAQ	AVT	Tue, Mar 20, 2007	36.35	37.32	36.26	37.13
3729	NASDAQ	AVT	Mon, Mar 19, 2007	36.10	36.50	36.08	36.30
3728	NASDAQ	AVT	Fri, Mar 16, 2007	36.20	36.39	35.73	35.98
3727	NASDAQ	AVT	Thu, Mar 15, 2007	36.25	36.45	35.91	36.22
3726	NASDAQ	AVT	Wed, Mar 14, 2007	36.31	36.51	35.75	36.31
3725	NASDAQ	AVT	Tue, Mar 13, 2007	37.85	37.85	36.18	36.23
3724	NASDAQ	AVT	Mon, Mar 12, 2007	36.37	38.03	36.37	38.01
3723	NASDAQ	AVT	Fri, Mar 9, 2007	36.80	37.14	36.19	36.48
3722	NASDAQ	AVT	Thu, Mar 8, 2007	36.50	36.85	36.21	36.40
3721	NASDAQ	AVT	Wed, Mar 7, 2007	34.95	36.30	34.85	36.10
3720	NASDAQ	AVT	Tue, Mar 6, 2007	34.11	35.05	34.11	34.87
3719	NASDAQ	AVT	Mon, Mar 5, 2007	33.55	34.51	33.52	34.11
3718	NASDAQ	AVT	Fri, Mar 2, 2007	36.19	36.19	33.66	33.75
3717	NASDAQ	AVT	Thu, Mar 1, 2007	36.10	36.57	35.05	36.29
3716	NASDAQ	AVT	Wed, Feb 28, 2007	35.62	36.78	35.34	36.59
3715	NASDAQ	AVT	Tue, Feb 27, 2007	35.93	35.94	35.04	35.56
3714	NASDAQ	AVT	Mon, Feb 26, 2007	36.96	36.97	36.25	36.62
3713	NASDAQ	AVT	Fri, Feb 23, 2007	35.77	36.98	35.74	36.78
3712	NASDAQ	AVT	Thu, Feb 22, 2007	35.15	36.10	34.89	36.02
3711	NASDAQ	AVT	Wed, Feb 21, 2007	35.10	35.41	34.53	35.33
3710	NASDAQ	AVT	Tue, Feb 20, 2007	35.45	36.14	35.15	36.13
3709	NASDAQ	AVT	Fri, Feb 16, 2007	35.38	35.48	34.98	35.31
3708	NASDAQ	AVT	Thu, Feb 15, 2007	35.00	36.17	34.67	35.38
3707	NASDAQ	AVT	Wed, Feb 14, 2007	34.92	35.71	34.85	35.31
3706	NASDAQ	AVT	Tue, Feb 13, 2007	34.58	35.18	34.47	35.01
3705	NASDAQ	AVT	Mon, Feb 12, 2007	34.58	34.58	33.37	34.33
3704	NASDAQ	AVT	Fri, Feb 9, 2007	34.35	35.31	34.04	34.46
3703	NASDAQ	AVT	Thu, Feb 8, 2007	33.20	34.47	33.09	34.21
3702	NASDAQ	AVT	Wed, Feb 7, 2007	32.75	33.53	32.71	33.34
3701	NASDAQ	AVT	Tue, Feb 6, 2007	32.42	32.78	32.22	32.78
3700	NASDAQ	AVT	Mon, Feb 5, 2007	32.15	32.59	31.92	32.42
3699	NASDAQ	AVT	Fri, Feb 2, 2007	32.00	32.59	31.73	32.11
3698	NASDAQ	AVT	Thu, Feb 1, 2007	31.20	32.15	31.18	32.00
3697	NASDAQ	AVT	Wed, Jan 31, 2007	30.60	31.21	30.27	31.05
3696	NASDAQ	AVT	Tue, Jan 30, 2007	30.14	30.88	29.93	30.79
3695	NASDAQ	AVT	Mon, Jan 29, 2007	29.64	30.20	29.46	30.17
3694	NASDAQ	AVT	Fri, Jan 26, 2007	29.85	29.95	29.30	29.66
3693	NASDAQ	AVT	Thu, Jan 25, 2007	28.20	30.10	27.91	29.60
3692	NASDAQ	AVT	Wed, Jan 24, 2007	26.10	26.35	26.03	26.11
3691	NASDAQ	AVT	Tue, Jan 23, 2007	25.70	26.18	25.64	25.96
3690	NASDAQ	AVT	Mon, Jan 22, 2007	26.13	26.26	25.55	25.70
3689	NASDAQ	AVT	Fri, Jan 19, 2007	25.80	26.45	25.80	26.41
3688	NASDAQ	AVT	Thu, Jan 18, 2007	27.75	27.75	25.76	25.89
3687	NASDAQ	AVT	Wed, Jan 17, 2007	27.90	28.16	27.75	27.76
3686	NASDAQ	AVT	Tue, Jan 16, 2007	28.29	28.33	27.80	27.90
3685	NASDAQ	AVT	Fri, Jan 12, 2007	27.93	28.31	27.81	28.08
3684	NASDAQ	AVT	Thu, Jan 11, 2007	27.62	28.26	27.62	27.88
3683	NASDAQ	AVT	Wed, Jan 10, 2007	27.62	27.73	27.29	27.57
3682	NASDAQ	AVT	Tue, Jan 9, 2007	27.52	27.78	27.29	27.62
3681	NASDAQ	AVT	Mon, Jan 8, 2007	26.98	27.45	26.85	27.32
3680	NASDAQ	AVT	Fri, Jan 5, 2007	27.26	27.26	26.68	26.84
3679	NASDAQ	AVT	Thu, Jan 4, 2007	26.00	27.10	25.89	27.10
3678	NASDAQ	AVT	Wed, Jan 3, 2007	25.61	26.26	25.56	26.00
3677	NASDAQ	AVT	Fri, Dec 29, 2006	25.98	26.14	25.48	25.53
3676	NASDAQ	AVT	Thu, Dec 28, 2006	25.91	26.14	25.65	26.00
3675	NASDAQ	AVT	Wed, Dec 27, 2006	25.80	26.08	25.80	26.07
3674	NASDAQ	AVT	Tue, Dec 26, 2006	25.80	25.92	25.45	25.64
3673	NASDAQ	AVT	Fri, Dec 22, 2006	25.93	25.99	25.52	25.55
3672	NASDAQ	AVT	Thu, Dec 21, 2006	26.00	26.15	25.75	25.93
3671	NASDAQ	AVT	Wed, Dec 20, 2006	25.52	25.97	25.48	25.97
3670	NASDAQ	AVT	Tue, Dec 19, 2006	25.66	25.76	25.25	25.55
3669	NASDAQ	AVT	Mon, Dec 18, 2006	26.00	26.66	25.81	25.86
3668	NASDAQ	AVT	Fri, Dec 15, 2006	25.27	25.39	25.01	25.30
3667	NASDAQ	AVT	Thu, Dec 14, 2006	24.89	25.35	24.82	25.04
3666	NASDAQ	AVT	Wed, Dec 13, 2006	24.99	25.00	24.73	24.89
3665	NASDAQ	AVT	Tue, Dec 12, 2006	24.87	25.12	24.69	24.76
3664	NASDAQ	AVT	Mon, Dec 11, 2006	24.93	25.01	24.71	24.86
3663	NASDAQ	AVT	Fri, Dec 8, 2006	24.56	25.09	24.42	24.92
3662	NASDAQ	AVT	Thu, Dec 7, 2006	24.97	25.04	24.58	24.62
3661	NASDAQ	AVT	Wed, Dec 6, 2006	24.76	25.12	24.61	24.89
3660	NASDAQ	AVT	Tue, Dec 5, 2006	24.78	24.89	24.65	24.80
3659	NASDAQ	AVT	Mon, Dec 4, 2006	24.49	24.80	24.46	24.66
3658	NASDAQ	AVT	Fri, Dec 1, 2006	24.91	25.09	24.37	24.53
3657	NASDAQ	AVT	Thu, Nov 30, 2006	25.10	25.10	24.74	24.79
3656	NASDAQ	AVT	Wed, Nov 29, 2006	24.95	25.33	24.90	25.12
3655	NASDAQ	AVT	Tue, Nov 28, 2006	24.61	24.83	24.32	24.80
3654	NASDAQ	AVT	Mon, Nov 27, 2006	25.75	25.85	24.61	24.65
3653	NASDAQ	AVT	Fri, Nov 24, 2006	25.80	25.95	25.70	25.85
3652	NASDAQ	AVT	Wed, Nov 22, 2006	25.79	26.05	25.70	25.90
3651	NASDAQ	AVT	Tue, Nov 21, 2006	25.73	25.87	25.55	25.76
3650	NASDAQ	AVT	Mon, Nov 20, 2006	25.46	25.90	25.38	25.84
3649	NASDAQ	AVT	Fri, Nov 17, 2006	25.60	25.77	25.36	25.68
3648	NASDAQ	AVT	Thu, Nov 16, 2006	25.78	25.90	25.42	25.66
3647	NASDAQ	AVT	Wed, Nov 15, 2006	25.90	25.90	25.40	25.61
3646	NASDAQ	AVT	Tue, Nov 14, 2006	25.57	25.89	25.45	25.88
3645	NASDAQ	AVT	Mon, Nov 13, 2006	25.65	25.68	25.25	25.49
3644	NASDAQ	AVT	Fri, Nov 10, 2006	24.91	25.85	24.83	25.50
3643	NASDAQ	AVT	Thu, Nov 9, 2006	25.27	25.40	24.76	24.83
3642	NASDAQ	AVT	Wed, Nov 8, 2006	24.76	25.27	24.45	25.21
3641	NASDAQ	AVT	Tue, Nov 7, 2006	24.92	25.26	24.83	24.90
3640	NASDAQ	AVT	Mon, Nov 6, 2006	25.45	25.53	24.75	24.90
3639	NASDAQ	AVT	Fri, Nov 3, 2006	24.35	25.30	24.30	24.84
3638	NASDAQ	AVT	Thu, Nov 2, 2006	23.75	24.28	23.42	24.20
3637	NASDAQ	AVT	Wed, Nov 1, 2006	23.74	24.24	23.68	23.93
3636	NASDAQ	AVT	Tue, Oct 31, 2006	23.96	24.10	23.28	23.68
3635	NASDAQ	AVT	Mon, Oct 30, 2006	22.55	24.19	22.55	23.90
3634	NASDAQ	AVT	Fri, Oct 27, 2006	22.68	23.24	22.45	22.45
3633	NASDAQ	AVT	Thu, Oct 26, 2006	23.10	23.25	22.19	22.67
3632	NASDAQ	AVT	Wed, Oct 25, 2006	21.55	22.92	21.53	22.82
3631	NASDAQ	AVT	Tue, Oct 24, 2006	21.80	21.81	21.34	21.49
3630	NASDAQ	AVT	Mon, Oct 23, 2006	21.57	21.89	21.43	21.88
3629	NASDAQ	AVT	Fri, Oct 20, 2006	21.91	21.91	21.47	21.50
3628	NASDAQ	AVT	Thu, Oct 19, 2006	22.00	22.00	21.54	21.93
3627	NASDAQ	AVT	Wed, Oct 18, 2006	22.10	22.37	21.91	22.13
3626	NASDAQ	AVT	Tue, Oct 17, 2006	21.84	22.09	21.57	21.92
3625	NASDAQ	AVT	Mon, Oct 16, 2006	21.58	21.96	21.54	21.83
3624	NASDAQ	AVT	Fri, Oct 13, 2006	21.36	21.66	21.16	21.51
3623	NASDAQ	AVT	Thu, Oct 12, 2006	21.33	21.34	20.95	21.28
3622	NASDAQ	AVT	Wed, Oct 11, 2006	20.83	21.49	20.70	21.19
3621	NASDAQ	AVT	Tue, Oct 10, 2006	21.00	21.02	20.66	20.97
3620	NASDAQ	AVT	Mon, Oct 9, 2006	20.45	21.24	20.45	20.95
3619	NASDAQ	AVT	Fri, Oct 6, 2006	20.27	20.58	20.03	20.48
3618	NASDAQ	AVT	Thu, Oct 5, 2006	20.23	20.45	20.01	20.39
3617	NASDAQ	AVT	Wed, Oct 4, 2006	19.51	20.21	19.36	20.19
3616	NASDAQ	AVT	Tue, Oct 3, 2006	19.42	19.80	19.15	19.62
3615	NASDAQ	AVT	Mon, Oct 2, 2006	19.62	19.68	19.20	19.45
3614	NASDAQ	AVT	Fri, Sep 29, 2006	19.44	19.75	19.37	19.62
3613	NASDAQ	AVT	Thu, Sep 28, 2006	19.43	19.59	19.22	19.46
3612	NASDAQ	AVT	Wed, Sep 27, 2006	19.60	19.90	19.26	19.32
3611	NASDAQ	AVT	Tue, Sep 26, 2006	19.83	19.88	19.31	19.69
3610	NASDAQ	AVT	Mon, Sep 25, 2006	19.30	19.98	19.17	19.90
3609	NASDAQ	AVT	Fri, Sep 22, 2006	19.53	19.53	19.17	19.24
3608	NASDAQ	AVT	Thu, Sep 21, 2006	19.90	19.94	19.50	19.59
3607	NASDAQ	AVT	Wed, Sep 20, 2006	19.55	20.06	19.51	19.80
3606	NASDAQ	AVT	Tue, Sep 19, 2006	19.52	19.62	19.02	19.38
3605	NASDAQ	AVT	Mon, Sep 18, 2006	19.40	19.74	19.13	19.49
3604	NASDAQ	AVT	Fri, Sep 15, 2006	19.79	19.99	19.57	19.58
3603	NASDAQ	AVT	Thu, Sep 14, 2006	19.45	19.83	19.36	19.69
3602	NASDAQ	AVT	Wed, Sep 13, 2006	19.65	19.75	19.45	19.56
3601	NASDAQ	AVT	Tue, Sep 12, 2006	19.00	19.64	18.80	19.62
3600	NASDAQ	AVT	Mon, Sep 11, 2006	18.38	19.02	18.33	18.83
3599	NASDAQ	AVT	Fri, Sep 8, 2006	18.66	18.66	18.28	18.51
3598	NASDAQ	AVT	Thu, Sep 7, 2006	18.85	18.93	18.43	18.56
3597	NASDAQ	AVT	Wed, Sep 6, 2006	19.70	19.70	18.84	18.85
3596	NASDAQ	AVT	Tue, Sep 5, 2006	19.53	19.93	19.40	19.87
3595	NASDAQ	AVT	Fri, Sep 1, 2006	19.60	19.71	19.42	19.53
3594	NASDAQ	AVT	Thu, Aug 31, 2006	19.60	19.74	18.75	19.56
3593	NASDAQ	AVT	Wed, Aug 30, 2006	19.59	19.85	19.52	19.60
3592	NASDAQ	AVT	Tue, Aug 29, 2006	19.62	19.69	19.03	19.49
3591	NASDAQ	AVT	Mon, Aug 28, 2006	18.79	19.55	18.79	19.52
3590	NASDAQ	AVT	Fri, Aug 25, 2006	19.00	19.06	18.75	18.76
3589	NASDAQ	AVT	Thu, Aug 24, 2006	19.48	19.48	19.00	19.13
3588	NASDAQ	AVT	Wed, Aug 23, 2006	19.83	20.05	19.21	19.36
3587	NASDAQ	AVT	Tue, Aug 22, 2006	19.64	19.85	19.53	19.76
3586	NASDAQ	AVT	Mon, Aug 21, 2006	19.88	19.88	19.60	19.71
3585	NASDAQ	AVT	Fri, Aug 18, 2006	19.60	19.87	19.30	19.85
3584	NASDAQ	AVT	Thu, Aug 17, 2006	19.45	20.12	19.22	19.64
3583	NASDAQ	AVT	Wed, Aug 16, 2006	18.48	19.68	18.33	19.54
3582	NASDAQ	AVT	Tue, Aug 15, 2006	17.64	18.43	17.51	18.36
3581	NASDAQ	AVT	Mon, Aug 14, 2006	17.05	17.37	16.99	17.15
3580	NASDAQ	AVT	Fri, Aug 11, 2006	17.01	17.26	16.86	16.89
3579	NASDAQ	AVT	Thu, Aug 10, 2006	16.99	17.08	16.71	16.96
3578	NASDAQ	AVT	Wed, Aug 9, 2006	17.40	17.76	16.92	16.98
3577	NASDAQ	AVT	Tue, Aug 8, 2006	17.53	17.73	17.22	17.35
3576	NASDAQ	AVT	Mon, Aug 7, 2006	17.79	17.99	17.53	17.58
3575	NASDAQ	AVT	Fri, Aug 4, 2006	18.05	18.29	17.65	17.79
3574	NASDAQ	AVT	Thu, Aug 3, 2006	17.76	17.98	17.51	17.86
3573	NASDAQ	AVT	Wed, Aug 2, 2006	17.68	17.87	17.50	17.79
3572	NASDAQ	AVT	Tue, Aug 1, 2006	18.05	18.06	17.60	17.64
3571	NASDAQ	AVT	Mon, Jul 31, 2006	18.30	18.30	18.04	18.20
3570	NASDAQ	AVT	Fri, Jul 28, 2006	17.65	18.23	17.63	18.11
3569	NASDAQ	AVT	Thu, Jul 27, 2006	17.60	17.79	17.42	17.45
3568	NASDAQ	AVT	Wed, Jul 26, 2006	17.35	17.56	17.18	17.42
3567	NASDAQ	AVT	Tue, Jul 25, 2006	17.41	17.47	16.87	17.34
3566	NASDAQ	AVT	Mon, Jul 24, 2006	16.87	17.32	16.87	17.32
3565	NASDAQ	AVT	Fri, Jul 21, 2006	17.00	17.05	16.70	16.77
3564	NASDAQ	AVT	Thu, Jul 20, 2006	17.70	17.90	17.05	17.07
3563	NASDAQ	AVT	Wed, Jul 19, 2006	17.12	17.77	17.12	17.59
3562	NASDAQ	AVT	Tue, Jul 18, 2006	17.31	17.35	16.71	17.10
3561	NASDAQ	AVT	Mon, Jul 17, 2006	17.45	17.61	17.25	17.31
3560	NASDAQ	AVT	Fri, Jul 14, 2006	17.68	17.75	17.32	17.45
3559	NASDAQ	AVT	Thu, Jul 13, 2006	18.15	18.15	17.70	17.78
3558	NASDAQ	AVT	Wed, Jul 12, 2006	18.75	18.85	18.24	18.31
3557	NASDAQ	AVT	Tue, Jul 11, 2006	18.80	18.90	18.50	18.82
3556	NASDAQ	AVT	Mon, Jul 10, 2006	18.95	19.18	18.72	18.80
3555	NASDAQ	AVT	Fri, Jul 7, 2006	19.45	19.49	18.83	18.95
3554	NASDAQ	AVT	Thu, Jul 6, 2006	19.62	19.73	19.27	19.42
3553	NASDAQ	AVT	Wed, Jul 5, 2006	20.25	20.26	19.46	19.54
3552	NASDAQ	AVT	Mon, Jul 3, 2006	20.07	20.32	19.94	20.29
3551	NASDAQ	AVT	Fri, Jun 30, 2006	20.08	20.23	19.83	20.02
3550	NASDAQ	AVT	Thu, Jun 29, 2006	19.21	20.00	19.11	20.00
3549	NASDAQ	AVT	Wed, Jun 28, 2006	19.58	19.61	19.06	19.21
3548	NASDAQ	AVT	Tue, Jun 27, 2006	19.57	19.74	19.46	19.56
3547	NASDAQ	AVT	Mon, Jun 26, 2006	19.55	19.75	19.30	19.49
3546	NASDAQ	AVT	Fri, Jun 23, 2006	19.66	19.69	19.34	19.49
3545	NASDAQ	AVT	Thu, Jun 22, 2006	20.05	20.10	19.68	19.76
3544	NASDAQ	AVT	Wed, Jun 21, 2006	19.75	20.30	19.75	20.18
3543	NASDAQ	AVT	Tue, Jun 20, 2006	19.99	20.19	19.70	19.75
3542	NASDAQ	AVT	Mon, Jun 19, 2006	20.21	20.33	19.86	20.00
3541	NASDAQ	AVT	Fri, Jun 16, 2006	20.74	20.74	19.89	20.17
3540	NASDAQ	AVT	Thu, Jun 15, 2006	19.62	20.31	19.57	20.23
3539	NASDAQ	AVT	Wed, Jun 14, 2006	19.32	19.74	19.15	19.32
3538	NASDAQ	AVT	Tue, Jun 13, 2006	19.69	20.04	19.04	19.32
3537	NASDAQ	AVT	Mon, Jun 12, 2006	20.60	20.64	19.63	19.68
3536	NASDAQ	AVT	Fri, Jun 9, 2006	20.80	20.97	20.42	20.57
3535	NASDAQ	AVT	Thu, Jun 8, 2006	21.24	21.24	20.18	20.66
3534	NASDAQ	AVT	Wed, Jun 7, 2006	22.05	22.05	21.16	21.24
3533	NASDAQ	AVT	Tue, Jun 6, 2006	21.88	22.10	21.60	21.84
3532	NASDAQ	AVT	Mon, Jun 5, 2006	22.46	22.56	21.60	21.70
3531	NASDAQ	AVT	Fri, Jun 2, 2006	22.62	22.82	22.33	22.64
3530	NASDAQ	AVT	Thu, Jun 1, 2006	22.67	22.68	22.08	22.47
3529	NASDAQ	AVT	Wed, May 31, 2006	21.70	22.18	21.70	22.08
3528	NASDAQ	AVT	Tue, May 30, 2006	22.16	22.26	21.61	21.62
3527	NASDAQ	AVT	Fri, May 26, 2006	22.00	22.26	21.93	22.21
3526	NASDAQ	AVT	Thu, May 25, 2006	21.91	22.07	21.67	21.88
3525	NASDAQ	AVT	Wed, May 24, 2006	21.75	22.12	21.38	21.63
3524	NASDAQ	AVT	Tue, May 23, 2006	22.23	22.68	21.80	21.80
3523	NASDAQ	AVT	Mon, May 22, 2006	22.31	22.31	21.56	22.07
3522	NASDAQ	AVT	Fri, May 19, 2006	22.67	22.85	22.21	22.48
3521	NASDAQ	AVT	Thu, May 18, 2006	23.25	23.52	22.61	22.62
3520	NASDAQ	AVT	Wed, May 17, 2006	23.58	23.82	23.10	23.25
3519	NASDAQ	AVT	Tue, May 16, 2006	23.80	24.08	23.61	23.74
3518	NASDAQ	AVT	Mon, May 15, 2006	23.95	24.11	23.57	23.83
3517	NASDAQ	AVT	Fri, May 12, 2006	24.41	24.41	23.86	23.95
3516	NASDAQ	AVT	Thu, May 11, 2006	25.58	25.69	24.25	24.40
3515	NASDAQ	AVT	Wed, May 10, 2006	25.81	25.89	25.44	25.58
3514	NASDAQ	AVT	Tue, May 9, 2006	26.37	26.43	25.85	25.92
3513	NASDAQ	AVT	Mon, May 8, 2006	26.95	27.00	26.30	26.45
3512	NASDAQ	AVT	Fri, May 5, 2006	25.99	26.41	25.84	26.41
3511	NASDAQ	AVT	Thu, May 4, 2006	26.15	26.40	25.88	25.90
3510	NASDAQ	AVT	Wed, May 3, 2006	25.91	26.25	25.91	26.13
3509	NASDAQ	AVT	Tue, May 2, 2006	25.90	26.19	25.75	25.98
3508	NASDAQ	AVT	Mon, May 1, 2006	26.05	26.39	25.89	25.94
3507	NASDAQ	AVT	Fri, Apr 28, 2006	26.05	26.42	26.00	26.15
3506	NASDAQ	AVT	Thu, Apr 27, 2006	26.35	26.60	25.82	26.05
3505	NASDAQ	AVT	Wed, Apr 26, 2006	26.70	26.76	26.05	26.12
3504	NASDAQ	AVT	Tue, Apr 25, 2006	26.34	26.78	26.24	26.60
3503	NASDAQ	AVT	Mon, Apr 24, 2006	26.52	26.54	25.91	26.24
3502	NASDAQ	AVT	Fri, Apr 21, 2006	27.20	27.20	26.23	26.60
3501	NASDAQ	AVT	Thu, Apr 20, 2006	27.25	27.25	26.73	27.10
3500	NASDAQ	AVT	Wed, Apr 19, 2006	26.85	26.85	26.33	26.51
3499	NASDAQ	AVT	Tue, Apr 18, 2006	25.90	26.99	25.86	26.92
3498	NASDAQ	AVT	Mon, Apr 17, 2006	25.87	25.95	25.51	25.77
3497	NASDAQ	AVT	Thu, Apr 13, 2006	24.90	25.50	24.81	25.25
3496	NASDAQ	AVT	Wed, Apr 12, 2006	24.72	25.20	24.70	24.95
3495	NASDAQ	AVT	Tue, Apr 11, 2006	25.17	25.17	24.52	24.65
3494	NASDAQ	AVT	Mon, Apr 10, 2006	25.50	25.50	24.88	25.05
3493	NASDAQ	AVT	Fri, Apr 7, 2006	26.12	26.20	25.47	25.58
3492	NASDAQ	AVT	Thu, Apr 6, 2006	25.97	26.12	25.84	26.05
3491	NASDAQ	AVT	Wed, Apr 5, 2006	25.70	25.99	25.41	25.95
3490	NASDAQ	AVT	Tue, Apr 4, 2006	25.44	25.60	25.34	25.60
3489	NASDAQ	AVT	Mon, Apr 3, 2006	25.59	25.62	25.24	25.43
3488	NASDAQ	AVT	Fri, Mar 31, 2006	25.35	25.45	25.09	25.38
3487	NASDAQ	AVT	Thu, Mar 30, 2006	25.40	25.69	25.00	25.28
3486	NASDAQ	AVT	Wed, Mar 29, 2006	23.65	24.47	23.63	24.22
3485	NASDAQ	AVT	Tue, Mar 28, 2006	23.94	24.11	23.51	23.66
3484	NASDAQ	AVT	Mon, Mar 27, 2006	23.88	23.98	23.72	23.84
3483	NASDAQ	AVT	Fri, Mar 24, 2006	23.67	24.14	23.64	24.00
3482	NASDAQ	AVT	Thu, Mar 23, 2006	23.40	23.82	23.40	23.57
3481	NASDAQ	AVT	Wed, Mar 22, 2006	22.96	23.74	22.96	23.58
3480	NASDAQ	AVT	Tue, Mar 21, 2006	23.20	24.08	22.94	23.71
3479	NASDAQ	AVT	Mon, Mar 20, 2006	24.18	24.23	23.79	23.87
3478	NASDAQ	AVT	Fri, Mar 17, 2006	24.46	24.51	24.02	24.18
3477	NASDAQ	AVT	Thu, Mar 16, 2006	25.22	25.33	24.32	24.34
3476	NASDAQ	AVT	Wed, Mar 15, 2006	25.08	25.29	24.92	25.22
3475	NASDAQ	AVT	Tue, Mar 14, 2006	24.73	25.17	24.58	25.08
3474	NASDAQ	AVT	Mon, Mar 13, 2006	24.60	25.00	24.49	24.87
3473	NASDAQ	AVT	Fri, Mar 10, 2006	24.25	24.80	24.08	24.76
3472	NASDAQ	AVT	Thu, Mar 9, 2006	24.32	24.61	24.12	24.20
3471	NASDAQ	AVT	Wed, Mar 8, 2006	24.59	24.65	23.87	24.36
3470	NASDAQ	AVT	Tue, Mar 7, 2006	25.20	25.45	24.42	24.59
3469	NASDAQ	AVT	Mon, Mar 6, 2006	25.50	25.59	25.10	25.36
3468	NASDAQ	AVT	Fri, Mar 3, 2006	25.75	25.83	25.39	25.62
3467	NASDAQ	AVT	Thu, Mar 2, 2006	25.70	25.98	25.54	25.77
3466	NASDAQ	AVT	Wed, Mar 1, 2006	25.15	26.22	25.15	26.20
3465	NASDAQ	AVT	Tue, Feb 28, 2006	25.35	25.35	24.86	25.13
3464	NASDAQ	AVT	Mon, Feb 27, 2006	25.54	25.58	25.31	25.48
3463	NASDAQ	AVT	Fri, Feb 24, 2006	25.32	25.51	25.10	25.49
3462	NASDAQ	AVT	Thu, Feb 23, 2006	25.93	25.93	25.13	25.34
3461	NASDAQ	AVT	Wed, Feb 22, 2006	25.65	26.05	25.56	26.03
3460	NASDAQ	AVT	Tue, Feb 21, 2006	25.95	25.96	25.51	25.60
3459	NASDAQ	AVT	Fri, Feb 17, 2006	25.78	25.98	25.64	25.90
3458	NASDAQ	AVT	Thu, Feb 16, 2006	25.22	25.65	25.14	25.61
3457	NASDAQ	AVT	Wed, Feb 15, 2006	24.84	25.05	24.71	24.97
3456	NASDAQ	AVT	Tue, Feb 14, 2006	24.21	24.77	24.14	24.74
3455	NASDAQ	AVT	Mon, Feb 13, 2006	24.30	24.42	24.05	24.20
3454	NASDAQ	AVT	Fri, Feb 10, 2006	24.25	24.44	23.75	24.30
3453	NASDAQ	AVT	Thu, Feb 9, 2006	24.25	24.75	24.20	24.21
3452	NASDAQ	AVT	Wed, Feb 8, 2006	25.40	25.50	24.60	24.65
3451	NASDAQ	AVT	Tue, Feb 7, 2006	25.60	26.50	25.25	25.40
3450	NASDAQ	AVT	Mon, Feb 6, 2006	24.70	24.99	24.50	24.97
3449	NASDAQ	AVT	Fri, Feb 3, 2006	24.40	24.85	24.22	24.59
3448	NASDAQ	AVT	Thu, Feb 2, 2006	24.44	24.57	24.19	24.40
3447	NASDAQ	AVT	Wed, Feb 1, 2006	24.45	24.58	24.21	24.44
3446	NASDAQ	AVT	Tue, Jan 31, 2006	24.60	24.69	24.40	24.45
3445	NASDAQ	AVT	Mon, Jan 30, 2006	24.19	24.62	24.05	24.60
3444	NASDAQ	AVT	Fri, Jan 27, 2006	24.55	24.72	24.11	24.19
3443	NASDAQ	AVT	Thu, Jan 26, 2006	25.10	25.24	24.09	24.09
3442	NASDAQ	AVT	Wed, Jan 25, 2006	26.50	26.51	25.20	25.24
3441	NASDAQ	AVT	Tue, Jan 24, 2006	25.30	25.64	25.23	25.25
3440	NASDAQ	AVT	Mon, Jan 23, 2006	25.35	25.45	25.13	25.23
3439	NASDAQ	AVT	Fri, Jan 20, 2006	26.05	26.05	25.19	25.23
3438	NASDAQ	AVT	Thu, Jan 19, 2006	25.75	26.45	25.73	26.21
3437	NASDAQ	AVT	Wed, Jan 18, 2006	25.17	25.71	25.17	25.59
3436	NASDAQ	AVT	Tue, Jan 17, 2006	25.50	25.71	25.45	25.58
3435	NASDAQ	AVT	Fri, Jan 13, 2006	25.90	25.98	25.68	25.95
3434	NASDAQ	AVT	Thu, Jan 12, 2006	26.30	26.37	25.84	25.95
3433	NASDAQ	AVT	Wed, Jan 11, 2006	25.96	26.49	25.88	26.09
3432	NASDAQ	AVT	Tue, Jan 10, 2006	25.85	26.04	25.69	26.01
3431	NASDAQ	AVT	Mon, Jan 9, 2006	25.65	26.01	25.50	25.97
3430	NASDAQ	AVT	Fri, Jan 6, 2006	25.10	25.74	24.98	25.55
3429	NASDAQ	AVT	Thu, Jan 5, 2006	24.64	25.30	24.64	25.11
3428	NASDAQ	AVT	Wed, Jan 4, 2006	24.00	24.76	24.00	24.68
3427	NASDAQ	AVT	Tue, Jan 3, 2006	23.95	24.23	23.50	23.99
3426	NASDAQ	AVT	Fri, Dec 30, 2005	24.06	24.06	23.66	23.94
3425	NASDAQ	AVT	Thu, Dec 29, 2005	24.31	24.37	24.14	24.17
3424	NASDAQ	AVT	Wed, Dec 28, 2005	23.63	24.28	23.63	24.23
3423	NASDAQ	AVT	Tue, Dec 27, 2005	24.30	24.61	23.56	23.57
3422	NASDAQ	AVT	Fri, Dec 23, 2005	24.45	24.52	24.23	24.35
3421	NASDAQ	AVT	Thu, Dec 22, 2005	23.63	24.27	23.56	24.19
3420	NASDAQ	AVT	Wed, Dec 21, 2005	23.64	23.91	23.43	23.59
3419	NASDAQ	AVT	Tue, Dec 20, 2005	23.58	23.93	23.44	23.54
3418	NASDAQ	AVT	Mon, Dec 19, 2005	23.95	23.95	23.47	23.48
3417	NASDAQ	AVT	Fri, Dec 16, 2005	24.34	24.45	24.10	24.10
3416	NASDAQ	AVT	Thu, Dec 15, 2005	24.55	24.65	24.07	24.40
3415	NASDAQ	AVT	Wed, Dec 14, 2005	23.78	23.94	23.53	23.60
3414	NASDAQ	AVT	Tue, Dec 13, 2005	24.20	24.38	23.77	23.88
3413	NASDAQ	AVT	Mon, Dec 12, 2005	24.10	24.23	23.88	24.18
3412	NASDAQ	AVT	Fri, Dec 9, 2005	23.82	24.24	23.70	23.97
3411	NASDAQ	AVT	Thu, Dec 8, 2005	24.03	24.43	23.65	23.85
3410	NASDAQ	AVT	Wed, Dec 7, 2005	23.98	24.19	23.81	23.94
3409	NASDAQ	AVT	Tue, Dec 6, 2005	23.58	24.18	23.58	23.85
3408	NASDAQ	AVT	Mon, Dec 5, 2005	23.81	23.88	23.32	23.44
3407	NASDAQ	AVT	Fri, Dec 2, 2005	23.30	24.05	23.25	23.89
3406	NASDAQ	AVT	Thu, Dec 1, 2005	22.60	23.28	22.60	23.25
3405	NASDAQ	AVT	Wed, Nov 30, 2005	22.65	22.90	22.49	22.50
3404	NASDAQ	AVT	Tue, Nov 29, 2005	22.90	22.92	22.37	22.49
3403	NASDAQ	AVT	Mon, Nov 28, 2005	23.22	23.29	22.74	22.74
3402	NASDAQ	AVT	Fri, Nov 25, 2005	23.21	23.27	23.09	23.11
3401	NASDAQ	AVT	Wed, Nov 23, 2005	23.48	23.64	23.19	23.23
3400	NASDAQ	AVT	Tue, Nov 22, 2005	23.09	23.59	23.05	23.49
3399	NASDAQ	AVT	Mon, Nov 21, 2005	23.25	23.29	22.94	23.11
3398	NASDAQ	AVT	Fri, Nov 18, 2005	23.12	23.44	23.01	23.29
3397	NASDAQ	AVT	Thu, Nov 17, 2005	22.66	23.10	22.55	23.10
3396	NASDAQ	AVT	Wed, Nov 16, 2005	22.79	22.95	22.42	22.50
3395	NASDAQ	AVT	Tue, Nov 15, 2005	22.50	22.89	22.43	22.77
3394	NASDAQ	AVT	Mon, Nov 14, 2005	22.47	22.57	22.25	22.36
3393	NASDAQ	AVT	Fri, Nov 11, 2005	22.72	22.82	22.47	22.47
3392	NASDAQ	AVT	Thu, Nov 10, 2005	22.57	22.66	22.07	22.66
3391	NASDAQ	AVT	Wed, Nov 9, 2005	23.24	23.24	22.60	22.67
3390	NASDAQ	AVT	Tue, Nov 8, 2005	23.25	23.30	22.81	23.24
3389	NASDAQ	AVT	Mon, Nov 7, 2005	23.25	23.39	23.05	23.26
3388	NASDAQ	AVT	Fri, Nov 4, 2005	23.17	23.40	23.01	23.20
3387	NASDAQ	AVT	Thu, Nov 3, 2005	23.15	23.41	23.06	23.17
3386	NASDAQ	AVT	Wed, Nov 2, 2005	22.84	23.17	22.67	23.05
3385	NASDAQ	AVT	Tue, Nov 1, 2005	22.99	23.13	22.75	22.91
3384	NASDAQ	AVT	Mon, Oct 31, 2005	22.75	23.27	22.75	23.05
3383	NASDAQ	AVT	Fri, Oct 28, 2005	22.75	22.90	22.31	22.70
3382	NASDAQ	AVT	Thu, Oct 27, 2005	23.48	23.50	22.74	22.75
3381	NASDAQ	AVT	Wed, Oct 26, 2005	23.65	23.65	23.28	23.48
3380	NASDAQ	AVT	Tue, Oct 25, 2005	23.14	23.71	23.03	23.65
3379	NASDAQ	AVT	Mon, Oct 24, 2005	23.00	23.28	22.89	23.15
3378	NASDAQ	AVT	Fri, Oct 21, 2005	23.20	23.38	23.04	23.07
3377	NASDAQ	AVT	Thu, Oct 20, 2005	23.45	23.58	22.85	23.04
3376	NASDAQ	AVT	Wed, Oct 19, 2005	23.31	23.51	22.50	23.45
3375	NASDAQ	AVT	Tue, Oct 18, 2005	23.75	23.75	23.28	23.46
3374	NASDAQ	AVT	Mon, Oct 17, 2005	23.90	23.99	23.52	23.77
3373	NASDAQ	AVT	Fri, Oct 14, 2005	23.85	23.96	23.64	23.85
3372	NASDAQ	AVT	Thu, Oct 13, 2005	23.65	23.90	23.55	23.83
3371	NASDAQ	AVT	Wed, Oct 12, 2005	23.35	23.77	23.31	23.66
3370	NASDAQ	AVT	Tue, Oct 11, 2005	23.15	23.55	23.12	23.41
3369	NASDAQ	AVT	Mon, Oct 10, 2005	24.00	24.00	23.02	23.07
3368	NASDAQ	AVT	Fri, Oct 7, 2005	23.93	24.17	23.80	24.00
3367	NASDAQ	AVT	Thu, Oct 6, 2005	24.22	24.22	23.68	23.77
3366	NASDAQ	AVT	Wed, Oct 5, 2005	24.40	24.56	24.23	24.27
3365	NASDAQ	AVT	Tue, Oct 4, 2005	24.50	24.56	24.36	24.39
3364	NASDAQ	AVT	Mon, Oct 3, 2005	24.50	24.72	24.31	24.50
3363	NASDAQ	AVT	Fri, Sep 30, 2005	24.50	24.69	24.34	24.45
3362	NASDAQ	AVT	Thu, Sep 29, 2005	24.25	24.55	24.13	24.50
3361	NASDAQ	AVT	Wed, Sep 28, 2005	24.40	24.55	24.03	24.29
3360	NASDAQ	AVT	Tue, Sep 27, 2005	24.33	24.57	24.25	24.36
3359	NASDAQ	AVT	Mon, Sep 26, 2005	24.60	24.75	24.27	24.27
3358	NASDAQ	AVT	Fri, Sep 23, 2005	24.84	24.94	24.62	24.63
3357	NASDAQ	AVT	Thu, Sep 22, 2005	25.22	25.35	25.00	25.00
3356	NASDAQ	AVT	Wed, Sep 21, 2005	24.67	25.23	24.40	25.07
3355	NASDAQ	AVT	Tue, Sep 20, 2005	25.19	25.40	24.70	24.78
3354	NASDAQ	AVT	Mon, Sep 19, 2005	25.39	25.46	25.01	25.01
3353	NASDAQ	AVT	Fri, Sep 16, 2005	25.75	25.79	25.24	25.37
3352	NASDAQ	AVT	Thu, Sep 15, 2005	25.85	26.15	25.52	25.56
3351	NASDAQ	AVT	Wed, Sep 14, 2005	26.10	26.10	25.60	25.64
3350	NASDAQ	AVT	Tue, Sep 13, 2005	26.25	26.25	25.76	26.00
3349	NASDAQ	AVT	Mon, Sep 12, 2005	26.57	26.74	26.40	26.51
3348	NASDAQ	AVT	Fri, Sep 9, 2005	26.00	26.67	25.80	26.57
3347	NASDAQ	AVT	Thu, Sep 8, 2005	25.05	26.25	25.04	26.19
3346	NASDAQ	AVT	Wed, Sep 7, 2005	24.75	25.07	24.42	25.06
3345	NASDAQ	AVT	Tue, Sep 6, 2005	24.60	24.83	24.44	24.75
3344	NASDAQ	AVT	Fri, Sep 2, 2005	24.78	24.98	24.46	24.55
3343	NASDAQ	AVT	Thu, Sep 1, 2005	24.95	25.08	24.62	24.79
3342	NASDAQ	AVT	Wed, Aug 31, 2005	24.54	25.05	24.25	25.05
3341	NASDAQ	AVT	Tue, Aug 30, 2005	24.52	24.57	24.10	24.57
3340	NASDAQ	AVT	Mon, Aug 29, 2005	23.90	24.52	23.75	24.52
3339	NASDAQ	AVT	Fri, Aug 26, 2005	24.46	24.46	23.95	24.07
3338	NASDAQ	AVT	Thu, Aug 25, 2005	24.47	24.62	24.35	24.52
3337	NASDAQ	AVT	Wed, Aug 24, 2005	24.34	24.70	24.05	24.25
3336	NASDAQ	AVT	Tue, Aug 23, 2005	24.33	24.43	24.15	24.34
3335	NASDAQ	AVT	Mon, Aug 22, 2005	23.90	24.33	23.90	24.33
3334	NASDAQ	AVT	Fri, Aug 19, 2005	23.89	23.98	23.54	23.75
3333	NASDAQ	AVT	Thu, Aug 18, 2005	23.88	24.10	23.50	23.91
3332	NASDAQ	AVT	Wed, Aug 17, 2005	23.97	24.26	23.97	23.98
3331	NASDAQ	AVT	Tue, Aug 16, 2005	24.46	24.60	23.99	23.99
3330	NASDAQ	AVT	Mon, Aug 15, 2005	23.75	24.63	23.75	24.45
3329	NASDAQ	AVT	Fri, Aug 12, 2005	23.82	23.91	23.40	23.75
3328	NASDAQ	AVT	Thu, Aug 11, 2005	23.50	24.50	23.50	24.07
3327	NASDAQ	AVT	Wed, Aug 10, 2005	25.50	25.63	23.45	23.49
3326	NASDAQ	AVT	Tue, Aug 9, 2005	26.06	26.26	26.02	26.12
3325	NASDAQ	AVT	Mon, Aug 8, 2005	26.00	26.48	25.97	26.00
3324	NASDAQ	AVT	Fri, Aug 5, 2005	26.11	26.25	25.93	25.95
3323	NASDAQ	AVT	Thu, Aug 4, 2005	26.25	26.31	25.95	26.11
3322	NASDAQ	AVT	Wed, Aug 3, 2005	26.23	26.37	26.16	26.31
3321	NASDAQ	AVT	Tue, Aug 2, 2005	26.15	26.40	26.07	26.23
3320	NASDAQ	AVT	Mon, Aug 1, 2005	25.23	26.27	25.23	26.05
3319	NASDAQ	AVT	Fri, Jul 29, 2005	26.26	26.42	26.04	26.18
3318	NASDAQ	AVT	Thu, Jul 28, 2005	26.30	26.55	26.21	26.36
3317	NASDAQ	AVT	Wed, Jul 27, 2005	26.80	26.97	26.58	26.61
3316	NASDAQ	AVT	Tue, Jul 26, 2005	26.48	26.78	26.38	26.59
3315	NASDAQ	AVT	Mon, Jul 25, 2005	26.12	26.65	26.11	26.36
3314	NASDAQ	AVT	Fri, Jul 22, 2005	26.07	26.39	26.07	26.21
3313	NASDAQ	AVT	Thu, Jul 21, 2005	26.15	26.35	25.91	26.10
3312	NASDAQ	AVT	Wed, Jul 20, 2005	25.90	26.21	25.78	26.09
3311	NASDAQ	AVT	Tue, Jul 19, 2005	25.73	26.22	25.69	26.05
3310	NASDAQ	AVT	Mon, Jul 18, 2005	25.65	25.89	25.46	25.73
3309	NASDAQ	AVT	Fri, Jul 15, 2005	25.68	25.85	25.52	25.68
3308	NASDAQ	AVT	Thu, Jul 14, 2005	24.92	26.20	24.92	25.69
3307	NASDAQ	AVT	Wed, Jul 13, 2005	24.90	25.00	24.78	24.92
3306	NASDAQ	AVT	Tue, Jul 12, 2005	24.74	24.95	24.65	24.90
3305	NASDAQ	AVT	Mon, Jul 11, 2005	24.75	24.75	24.54	24.70
3304	NASDAQ	AVT	Fri, Jul 8, 2005	24.60	24.70	24.54	24.58
3303	NASDAQ	AVT	Thu, Jul 7, 2005	24.21	24.51	24.16	24.38
3302	NASDAQ	AVT	Wed, Jul 6, 2005	23.38	24.21	23.38	24.21
3301	NASDAQ	AVT	Tue, Jul 5, 2005	22.68	23.32	22.57	23.30
3300	NASDAQ	AVT	Fri, Jul 1, 2005	22.60	22.89	22.48	22.71
3299	NASDAQ	AVT	Thu, Jun 30, 2005	22.58	22.86	22.47	22.53
3298	NASDAQ	AVT	Wed, Jun 29, 2005	22.58	22.69	22.38	22.58
3297	NASDAQ	AVT	Tue, Jun 28, 2005	22.11	22.56	22.05	22.55
3296	NASDAQ	AVT	Mon, Jun 27, 2005	22.22	22.23	21.87	21.96
3295	NASDAQ	AVT	Fri, Jun 24, 2005	22.54	22.54	22.05	22.23
3294	NASDAQ	AVT	Thu, Jun 23, 2005	22.75	22.96	22.53	22.54
3293	NASDAQ	AVT	Wed, Jun 22, 2005	22.55	22.80	22.42	22.80
3292	NASDAQ	AVT	Tue, Jun 21, 2005	22.82	22.99	22.46	22.55
3291	NASDAQ	AVT	Mon, Jun 20, 2005	22.47	22.82	22.43	22.80
3290	NASDAQ	AVT	Fri, Jun 17, 2005	22.71	22.75	22.31	22.70
3289	NASDAQ	AVT	Thu, Jun 16, 2005	22.10	22.62	22.10	22.61
3288	NASDAQ	AVT	Wed, Jun 15, 2005	22.16	22.24	22.00	22.17
3287	NASDAQ	AVT	Tue, Jun 14, 2005	21.99	22.21	21.96	22.12
3286	NASDAQ	AVT	Mon, Jun 13, 2005	21.90	22.00	21.72	21.99
3285	NASDAQ	AVT	Fri, Jun 10, 2005	21.85	22.05	21.74	21.95
3284	NASDAQ	AVT	Thu, Jun 9, 2005	21.71	21.88	21.47	21.85
3283	NASDAQ	AVT	Wed, Jun 8, 2005	21.74	21.85	21.69	21.71
3282	NASDAQ	AVT	Tue, Jun 7, 2005	21.73	22.05	21.69	21.72
3281	NASDAQ	AVT	Mon, Jun 6, 2005	21.60	21.77	21.34	21.73
3280	NASDAQ	AVT	Fri, Jun 3, 2005	21.66	21.74	21.55	21.60
3279	NASDAQ	AVT	Thu, Jun 2, 2005	21.17	21.68	21.16	21.66
3278	NASDAQ	AVT	Wed, Jun 1, 2005	20.85	21.30	20.84	21.17
3277	NASDAQ	AVT	Tue, May 31, 2005	20.22	21.00	20.21	20.92
3276	NASDAQ	AVT	Fri, May 27, 2005	20.14	20.17	19.92	20.16
3275	NASDAQ	AVT	Thu, May 26, 2005	19.80	20.12	19.80	20.09
3274	NASDAQ	AVT	Wed, May 25, 2005	20.18	20.18	19.59	19.76
3273	NASDAQ	AVT	Tue, May 24, 2005	19.80	20.25	19.75	20.18
3272	NASDAQ	AVT	Mon, May 23, 2005	19.27	19.43	19.20	19.35
3271	NASDAQ	AVT	Fri, May 20, 2005	19.21	19.38	19.11	19.35
3270	NASDAQ	AVT	Thu, May 19, 2005	19.25	19.40	19.17	19.30
3269	NASDAQ	AVT	Wed, May 18, 2005	18.90	19.32	18.76	19.22
3268	NASDAQ	AVT	Tue, May 17, 2005	18.57	18.89	18.56	18.87
3267	NASDAQ	AVT	Mon, May 16, 2005	18.52	18.80	18.48	18.77
3266	NASDAQ	AVT	Fri, May 13, 2005	18.55	18.86	18.40	18.59
3265	NASDAQ	AVT	Thu, May 12, 2005	18.89	19.04	18.52	18.56
3264	NASDAQ	AVT	Wed, May 11, 2005	18.90	19.06	18.63	18.85
3263	NASDAQ	AVT	Tue, May 10, 2005	18.75	18.95	18.74	18.89
3262	NASDAQ	AVT	Mon, May 9, 2005	18.89	18.99	18.76	18.86
3261	NASDAQ	AVT	Fri, May 6, 2005	18.95	18.96	18.82	18.89
3260	NASDAQ	AVT	Thu, May 5, 2005	18.94	19.04	18.71	18.80
3259	NASDAQ	AVT	Wed, May 4, 2005	18.83	19.00	18.73	18.91
3258	NASDAQ	AVT	Tue, May 3, 2005	18.68	19.00	18.68	18.81
3257	NASDAQ	AVT	Mon, May 2, 2005	18.89	18.97	18.44	18.67
3256	NASDAQ	AVT	Fri, Apr 29, 2005	18.20	18.99	18.06	18.89
3255	NASDAQ	AVT	Thu, Apr 28, 2005	17.72	18.04	17.52	17.56
3254	NASDAQ	AVT	Wed, Apr 27, 2005	17.25	17.96	17.12	17.72
3253	NASDAQ	AVT	Tue, Apr 26, 2005	17.35	17.65	17.21	17.21
3252	NASDAQ	AVT	Mon, Apr 25, 2005	17.30	17.40	17.19	17.40
3251	NASDAQ	AVT	Fri, Apr 22, 2005	17.20	17.28	17.01	17.21
3250	NASDAQ	AVT	Thu, Apr 21, 2005	17.15	17.46	17.15	17.28
3249	NASDAQ	AVT	Wed, Apr 20, 2005	17.31	17.41	17.00	17.00
3248	NASDAQ	AVT	Tue, Apr 19, 2005	17.24	17.27	17.06	17.21
3247	NASDAQ	AVT	Mon, Apr 18, 2005	16.86	17.17	16.85	17.04
3246	NASDAQ	AVT	Fri, Apr 15, 2005	17.13	17.18	16.75	16.86
3245	NASDAQ	AVT	Thu, Apr 14, 2005	17.86	17.92	17.09	17.28
3244	NASDAQ	AVT	Wed, Apr 13, 2005	18.05	18.09	17.80	17.86
3243	NASDAQ	AVT	Tue, Apr 12, 2005	18.15	18.21	17.86	18.10
3242	NASDAQ	AVT	Mon, Apr 11, 2005	18.49	18.57	18.14	18.14
3241	NASDAQ	AVT	Fri, Apr 8, 2005	18.56	18.73	18.41	18.48
3240	NASDAQ	AVT	Thu, Apr 7, 2005	18.37	18.63	18.26	18.62
3239	NASDAQ	AVT	Wed, Apr 6, 2005	18.29	18.53	18.29	18.36
3238	NASDAQ	AVT	Tue, Apr 5, 2005	18.25	18.46	18.08	18.24
3237	NASDAQ	AVT	Mon, Apr 4, 2005	18.17	18.34	17.89	18.17
3236	NASDAQ	AVT	Fri, Apr 1, 2005	18.56	18.70	18.14	18.18
3235	NASDAQ	AVT	Thu, Mar 31, 2005	18.38	18.56	18.20	18.42
3234	NASDAQ	AVT	Wed, Mar 30, 2005	18.65	18.66	18.18	18.40
3233	NASDAQ	AVT	Tue, Mar 29, 2005	18.89	19.24	18.62	18.64
3232	NASDAQ	AVT	Mon, Mar 28, 2005	19.00	19.12	18.82	18.95
3231	NASDAQ	AVT	Thu, Mar 24, 2005	19.01	19.24	18.97	19.01
3230	NASDAQ	AVT	Wed, Mar 23, 2005	18.90	19.36	18.86	18.95
3229	NASDAQ	AVT	Tue, Mar 22, 2005	18.85	19.24	18.81	18.87
3228	NASDAQ	AVT	Mon, Mar 21, 2005	18.74	18.99	18.63	18.87
3227	NASDAQ	AVT	Fri, Mar 18, 2005	18.97	18.98	18.55	18.76
3226	NASDAQ	AVT	Thu, Mar 17, 2005	18.75	19.04	18.71	18.96
3225	NASDAQ	AVT	Wed, Mar 16, 2005	19.24	19.43	18.71	18.75
3224	NASDAQ	AVT	Tue, Mar 15, 2005	19.82	19.98	19.30	19.30
3223	NASDAQ	AVT	Mon, Mar 14, 2005	19.39	19.82	19.20	19.80
3222	NASDAQ	AVT	Fri, Mar 11, 2005	19.87	19.97	19.17	19.35
3221	NASDAQ	AVT	Thu, Mar 10, 2005	19.72	19.90	19.49	19.87
3220	NASDAQ	AVT	Wed, Mar 9, 2005	19.68	19.98	19.68	19.72
3219	NASDAQ	AVT	Tue, Mar 8, 2005	20.00	20.09	19.56	19.67
3218	NASDAQ	AVT	Mon, Mar 7, 2005	19.27	20.14	19.05	20.04
3217	NASDAQ	AVT	Fri, Mar 4, 2005	19.59	19.59	19.04	19.31
3216	NASDAQ	AVT	Thu, Mar 3, 2005	19.51	19.57	19.24	19.51
3215	NASDAQ	AVT	Wed, Mar 2, 2005	19.56	19.59	19.28	19.50
3214	NASDAQ	AVT	Tue, Mar 1, 2005	19.45	19.58	19.24	19.57
3213	NASDAQ	AVT	Mon, Feb 28, 2005	19.54	19.61	19.10	19.40
3212	NASDAQ	AVT	Fri, Feb 25, 2005	19.12	19.59	19.00	19.58
3211	NASDAQ	AVT	Thu, Feb 24, 2005	18.61	19.24	18.60	19.20
3210	NASDAQ	AVT	Wed, Feb 23, 2005	18.66	18.84	18.55	18.64
3209	NASDAQ	AVT	Tue, Feb 22, 2005	18.77	18.90	18.50	18.52
3208	NASDAQ	AVT	Fri, Feb 18, 2005	18.90	18.90	18.58	18.76
3207	NASDAQ	AVT	Thu, Feb 17, 2005	19.18	19.38	18.84	18.94
3206	NASDAQ	AVT	Wed, Feb 16, 2005	19.00	19.25	18.77	19.22
3205	NASDAQ	AVT	Tue, Feb 15, 2005	19.36	19.39	18.88	19.00
3204	NASDAQ	AVT	Mon, Feb 14, 2005	19.34	19.45	19.14	19.39
3203	NASDAQ	AVT	Fri, Feb 11, 2005	18.75	19.28	18.62	19.20
3202	NASDAQ	AVT	Thu, Feb 10, 2005	18.69	18.87	18.61	18.74
3201	NASDAQ	AVT	Wed, Feb 9, 2005	18.91	18.93	18.49	18.58
3200	NASDAQ	AVT	Tue, Feb 8, 2005	18.54	19.00	18.54	18.91
3199	NASDAQ	AVT	Mon, Feb 7, 2005	18.19	18.61	18.19	18.54
3198	NASDAQ	AVT	Fri, Feb 4, 2005	17.65	18.20	17.62	18.13
3197	NASDAQ	AVT	Thu, Feb 3, 2005	18.05	18.05	17.50	17.57
3196	NASDAQ	AVT	Wed, Feb 2, 2005	18.35	18.36	18.01	18.05
3195	NASDAQ	AVT	Tue, Feb 1, 2005	18.05	18.37	18.05	18.32
3194	NASDAQ	AVT	Mon, Jan 31, 2005	18.15	18.16	17.80	17.92
3193	NASDAQ	AVT	Fri, Jan 28, 2005	17.00	17.80	16.93	17.39
3192	NASDAQ	AVT	Thu, Jan 27, 2005	16.54	16.72	16.27	16.65
3191	NASDAQ	AVT	Wed, Jan 26, 2005	16.43	16.75	16.25	16.54
3190	NASDAQ	AVT	Tue, Jan 25, 2005	16.19	16.45	16.10	16.23
3189	NASDAQ	AVT	Mon, Jan 24, 2005	16.30	16.43	16.10	16.13
3188	NASDAQ	AVT	Fri, Jan 21, 2005	16.39	16.59	16.23	16.29
3187	NASDAQ	AVT	Thu, Jan 20, 2005	16.25	16.55	16.25	16.36
3186	NASDAQ	AVT	Wed, Jan 19, 2005	16.68	16.68	16.19	16.21
3185	NASDAQ	AVT	Tue, Jan 18, 2005	16.61	16.69	16.41	16.68
3184	NASDAQ	AVT	Fri, Jan 14, 2005	16.59	16.70	16.48	16.60
3183	NASDAQ	AVT	Thu, Jan 13, 2005	16.78	16.82	16.38	16.41
3182	NASDAQ	AVT	Wed, Jan 12, 2005	16.90	16.96	16.58	16.80
3181	NASDAQ	AVT	Tue, Jan 11, 2005	16.90	16.90	16.69	16.75
3180	NASDAQ	AVT	Mon, Jan 10, 2005	17.10	17.26	16.70	16.90
3179	NASDAQ	AVT	Fri, Jan 7, 2005	17.10	17.35	16.83	17.20
3178	NASDAQ	AVT	Thu, Jan 6, 2005	17.21	17.26	16.98	17.10
3177	NASDAQ	AVT	Wed, Jan 5, 2005	17.28	17.45	17.15	17.21
3176	NASDAQ	AVT	Tue, Jan 4, 2005	18.10	18.10	17.07	17.37
3175	NASDAQ	AVT	Mon, Jan 3, 2005	18.40	18.44	17.76	18.05
3174	NASDAQ	AVT	Fri, Dec 31, 2004	18.25	18.35	18.15	18.24
3173	NASDAQ	AVT	Thu, Dec 30, 2004	18.15	18.24	18.10	18.18
3172	NASDAQ	AVT	Wed, Dec 29, 2004	18.20	18.30	18.05	18.20
3171	NASDAQ	AVT	Tue, Dec 28, 2004	17.93	18.19	17.86	18.19
3170	NASDAQ	AVT	Mon, Dec 27, 2004	18.22	18.24	17.90	17.95
3169	NASDAQ	AVT	Thu, Dec 23, 2004	18.02	18.23	18.00	18.19
3168	NASDAQ	AVT	Wed, Dec 22, 2004	18.10	18.24	18.00	18.07
3167	NASDAQ	AVT	Tue, Dec 21, 2004	18.15	18.24	18.00	18.09
3166	NASDAQ	AVT	Mon, Dec 20, 2004	18.30	18.35	18.06	18.10
3165	NASDAQ	AVT	Fri, Dec 17, 2004	18.35	18.52	18.20	18.25
3164	NASDAQ	AVT	Thu, Dec 16, 2004	18.73	18.93	18.37	18.51
3163	NASDAQ	AVT	Wed, Dec 15, 2004	18.16	18.74	18.14	18.74
3162	NASDAQ	AVT	Tue, Dec 14, 2004	18.00	18.26	17.88	18.16
3161	NASDAQ	AVT	Mon, Dec 13, 2004	18.11	18.20	17.75	18.02
3160	NASDAQ	AVT	Fri, Dec 10, 2004	18.11	18.16	17.87	17.99
3159	NASDAQ	AVT	Thu, Dec 9, 2004	18.50	18.50	17.89	18.12
3158	NASDAQ	AVT	Wed, Dec 8, 2004	18.82	18.85	18.52	18.61
3157	NASDAQ	AVT	Tue, Dec 7, 2004	19.22	19.30	18.79	18.81
3156	NASDAQ	AVT	Mon, Dec 6, 2004	19.25	19.27	18.91	19.13
3155	NASDAQ	AVT	Fri, Dec 3, 2004	19.35	19.70	19.16	19.16
3154	NASDAQ	AVT	Thu, Dec 2, 2004	19.05	19.59	19.03	19.28
3153	NASDAQ	AVT	Wed, Dec 1, 2004	18.40	19.32	18.39	19.21
3152	NASDAQ	AVT	Tue, Nov 30, 2004	18.38	18.55	18.31	18.40
3151	NASDAQ	AVT	Mon, Nov 29, 2004	18.35	18.58	18.20	18.38
3150	NASDAQ	AVT	Fri, Nov 26, 2004	18.41	18.46	18.34	18.35
3149	NASDAQ	AVT	Wed, Nov 24, 2004	18.23	18.50	18.23	18.41
3148	NASDAQ	AVT	Tue, Nov 23, 2004	18.40	18.40	18.05	18.23
3147	NASDAQ	AVT	Mon, Nov 22, 2004	18.12	18.39	18.09	18.35
3146	NASDAQ	AVT	Fri, Nov 19, 2004	18.71	18.72	17.93	18.10
3145	NASDAQ	AVT	Thu, Nov 18, 2004	18.66	18.82	18.43	18.71
3144	NASDAQ	AVT	Wed, Nov 17, 2004	18.76	18.99	18.44	18.67
3143	NASDAQ	AVT	Tue, Nov 16, 2004	18.60	18.83	18.23	18.50
3142	NASDAQ	AVT	Mon, Nov 15, 2004	18.03	18.69	17.81	18.63
3141	NASDAQ	AVT	Fri, Nov 12, 2004	17.95	18.21	17.75	18.21
3140	NASDAQ	AVT	Thu, Nov 11, 2004	18.12	18.21	17.84	18.10
3139	NASDAQ	AVT	Wed, Nov 10, 2004	18.00	18.12	17.78	18.06
3138	NASDAQ	AVT	Tue, Nov 9, 2004	18.30	18.35	17.80	18.08
3137	NASDAQ	AVT	Mon, Nov 8, 2004	18.10	18.33	17.97	18.29
3136	NASDAQ	AVT	Fri, Nov 5, 2004	17.75	18.30	17.73	18.24
3135	NASDAQ	AVT	Thu, Nov 4, 2004	17.14	17.58	17.00	17.57
3134	NASDAQ	AVT	Wed, Nov 3, 2004	17.75	17.76	17.10	17.22
3133	NASDAQ	AVT	Tue, Nov 2, 2004	16.98	17.38	16.90	17.14
3132	NASDAQ	AVT	Mon, Nov 1, 2004	17.00	17.00	16.51	16.94
3131	NASDAQ	AVT	Fri, Oct 29, 2004	16.15	17.28	16.04	16.96
3130	NASDAQ	AVT	Thu, Oct 28, 2004	17.00	17.31	16.79	16.98
3129	NASDAQ	AVT	Wed, Oct 27, 2004	16.74	17.18	16.55	17.18
3128	NASDAQ	AVT	Tue, Oct 26, 2004	16.85	16.87	16.30	16.57
3127	NASDAQ	AVT	Mon, Oct 25, 2004	16.55	17.05	16.55	16.75
3126	NASDAQ	AVT	Fri, Oct 22, 2004	17.80	17.80	16.54	16.67
3125	NASDAQ	AVT	Thu, Oct 21, 2004	17.00	17.92	17.00	17.76
3124	NASDAQ	AVT	Wed, Oct 20, 2004	16.06	16.54	15.80	16.50
3123	NASDAQ	AVT	Tue, Oct 19, 2004	16.50	16.62	16.10	16.10
3122	NASDAQ	AVT	Mon, Oct 18, 2004	16.25	16.61	16.13	16.40
3121	NASDAQ	AVT	Fri, Oct 15, 2004	16.45	16.49	16.07	16.25
3120	NASDAQ	AVT	Thu, Oct 14, 2004	16.92	16.92	16.26	16.29
3119	NASDAQ	AVT	Wed, Oct 13, 2004	17.20	17.50	16.90	16.92
3118	NASDAQ	AVT	Tue, Oct 12, 2004	16.85	16.93	16.52	16.84
3117	NASDAQ	AVT	Mon, Oct 11, 2004	17.45	17.45	16.84	17.08
3116	NASDAQ	AVT	Fri, Oct 8, 2004	17.90	17.93	17.23	17.44
3115	NASDAQ	AVT	Thu, Oct 7, 2004	17.98	18.32	17.94	17.95
3114	NASDAQ	AVT	Wed, Oct 6, 2004	18.00	18.01	17.69	17.99
3113	NASDAQ	AVT	Tue, Oct 5, 2004	18.10	18.23	17.85	17.93
3112	NASDAQ	AVT	Mon, Oct 4, 2004	18.35	18.39	18.03	18.10
3111	NASDAQ	AVT	Fri, Oct 1, 2004	17.35	18.00	17.22	17.93
3110	NASDAQ	AVT	Thu, Sep 30, 2004	17.00	17.28	17.00	17.12
3109	NASDAQ	AVT	Wed, Sep 29, 2004	16.75	17.33	16.72	17.14
3108	NASDAQ	AVT	Tue, Sep 28, 2004	16.91	16.93	16.61	16.69
3107	NASDAQ	AVT	Mon, Sep 27, 2004	17.05	17.09	16.75	16.90
3106	NASDAQ	AVT	Fri, Sep 24, 2004	17.35	17.49	17.06	17.14
3105	NASDAQ	AVT	Thu, Sep 23, 2004	17.75	17.75	17.18	17.43
3104	NASDAQ	AVT	Wed, Sep 22, 2004	17.50	17.58	17.32	17.35
3103	NASDAQ	AVT	Tue, Sep 21, 2004	17.50	17.73	17.30	17.57
3102	NASDAQ	AVT	Mon, Sep 20, 2004	16.90	17.85	16.90	17.68
3101	NASDAQ	AVT	Fri, Sep 17, 2004	17.50	17.53	17.07	17.32
3100	NASDAQ	AVT	Thu, Sep 16, 2004	17.40	17.69	17.14	17.47
3099	NASDAQ	AVT	Wed, Sep 15, 2004	17.64	17.74	17.20	17.37
3098	NASDAQ	AVT	Tue, Sep 14, 2004	18.03	18.14	17.70	17.92
3097	NASDAQ	AVT	Mon, Sep 13, 2004	17.10	18.29	17.10	18.02
3096	NASDAQ	AVT	Fri, Sep 10, 2004	16.60	17.04	16.45	17.00
3095	NASDAQ	AVT	Thu, Sep 9, 2004	15.75	16.69	15.75	16.61
3094	NASDAQ	AVT	Wed, Sep 8, 2004	16.10	16.24	15.71	15.77
3093	NASDAQ	AVT	Tue, Sep 7, 2004	15.95	16.25	15.90	16.09
3092	NASDAQ	AVT	Fri, Sep 3, 2004	16.05	16.08	15.73	15.95
3091	NASDAQ	AVT	Thu, Sep 2, 2004	16.06	16.13	15.74	16.02
3090	NASDAQ	AVT	Wed, Sep 1, 2004	15.98	16.40	15.80	16.05
3089	NASDAQ	AVT	Tue, Aug 31, 2004	16.10	16.10	15.66	15.88
3088	NASDAQ	AVT	Mon, Aug 30, 2004	16.03	16.17	15.86	15.90
3087	NASDAQ	AVT	Fri, Aug 27, 2004	16.16	16.24	15.89	16.00
3086	NASDAQ	AVT	Thu, Aug 26, 2004	16.75	16.75	16.04	16.16
3085	NASDAQ	AVT	Wed, Aug 25, 2004	16.75	16.88	16.44	16.77
3084	NASDAQ	AVT	Tue, Aug 24, 2004	16.98	17.08	16.60	16.69
3083	NASDAQ	AVT	Mon, Aug 23, 2004	17.38	17.47	17.02	17.05
3082	NASDAQ	AVT	Fri, Aug 20, 2004	17.09	17.48	17.03	17.43
3081	NASDAQ	AVT	Thu, Aug 19, 2004	17.55	17.55	17.00	17.09
3080	NASDAQ	AVT	Wed, Aug 18, 2004	16.70	17.87	16.67	17.55
3079	NASDAQ	AVT	Tue, Aug 17, 2004	16.75	17.06	16.60	16.72
3078	NASDAQ	AVT	Mon, Aug 16, 2004	16.60	16.99	16.35	16.51
3077	NASDAQ	AVT	Fri, Aug 13, 2004	16.90	16.90	16.12	16.45
3076	NASDAQ	AVT	Thu, Aug 12, 2004	17.15	17.21	16.47	16.65
3075	NASDAQ	AVT	Wed, Aug 11, 2004	17.43	17.43	16.80	17.15
3074	NASDAQ	AVT	Tue, Aug 10, 2004	17.95	18.20	17.70	17.88
3073	NASDAQ	AVT	Mon, Aug 9, 2004	17.92	18.20	17.70	17.81
3072	NASDAQ	AVT	Fri, Aug 6, 2004	18.14	18.33	17.61	17.81
3071	NASDAQ	AVT	Thu, Aug 5, 2004	18.56	19.13	18.33	18.34
3070	NASDAQ	AVT	Wed, Aug 4, 2004	18.75	18.75	18.02	18.48
3069	NASDAQ	AVT	Tue, Aug 3, 2004	19.57	19.58	18.75	18.75
3068	NASDAQ	AVT	Mon, Aug 2, 2004	19.22	19.75	19.20	19.75
3067	NASDAQ	AVT	Fri, Jul 30, 2004	19.20	19.80	19.11	19.42
3066	NASDAQ	AVT	Thu, Jul 29, 2004	19.20	19.47	18.77	19.27
3065	NASDAQ	AVT	Wed, Jul 28, 2004	18.80	19.00	18.22	18.87
3064	NASDAQ	AVT	Tue, Jul 27, 2004	18.33	18.93	18.14	18.88
3063	NASDAQ	AVT	Mon, Jul 26, 2004	18.51	18.84	18.30	18.39
3062	NASDAQ	AVT	Fri, Jul 23, 2004	19.01	19.02	18.39	18.52
3061	NASDAQ	AVT	Thu, Jul 22, 2004	18.58	19.19	18.44	19.05
3060	NASDAQ	AVT	Wed, Jul 21, 2004	19.65	19.75	18.72	18.78
3059	NASDAQ	AVT	Tue, Jul 20, 2004	18.99	19.36	18.78	19.32
3058	NASDAQ	AVT	Mon, Jul 19, 2004	19.15	19.32	18.97	19.08
3057	NASDAQ	AVT	Fri, Jul 16, 2004	19.76	19.76	19.06	19.10
3056	NASDAQ	AVT	Thu, Jul 15, 2004	19.32	19.92	19.15	19.74
3055	NASDAQ	AVT	Wed, Jul 14, 2004	19.85	19.85	19.03	19.17
3054	NASDAQ	AVT	Tue, Jul 13, 2004	19.65	20.09	19.65	20.08
3053	NASDAQ	AVT	Mon, Jul 12, 2004	20.32	20.32	19.40	19.67
3052	NASDAQ	AVT	Fri, Jul 9, 2004	20.20	20.62	20.08	20.60
3051	NASDAQ	AVT	Thu, Jul 8, 2004	20.26	20.64	20.03	20.08
3050	NASDAQ	AVT	Wed, Jul 7, 2004	20.51	20.77	20.15	20.27
3049	NASDAQ	AVT	Tue, Jul 6, 2004	20.85	20.90	20.20	20.50
3048	NASDAQ	AVT	Fri, Jul 2, 2004	21.19	21.19	20.78	20.90
3047	NASDAQ	AVT	Thu, Jul 1, 2004	22.71	22.71	20.90	21.15
3046	NASDAQ	AVT	Wed, Jun 30, 2004	22.32	22.72	22.00	22.70
3045	NASDAQ	AVT	Tue, Jun 29, 2004	21.99	22.37	21.95	22.33
3044	NASDAQ	AVT	Mon, Jun 28, 2004	22.51	22.63	21.99	22.05
3043	NASDAQ	AVT	Fri, Jun 25, 2004	22.10	22.66	22.10	22.51
3042	NASDAQ	AVT	Thu, Jun 24, 2004	22.24	22.55	21.91	21.92
3041	NASDAQ	AVT	Wed, Jun 23, 2004	21.64	22.28	21.54	22.20
3040	NASDAQ	AVT	Tue, Jun 22, 2004	21.35	21.67	21.23	21.60
3039	NASDAQ	AVT	Mon, Jun 21, 2004	21.60	21.77	21.16	21.20
3038	NASDAQ	AVT	Fri, Jun 18, 2004	21.25	21.75	21.25	21.48
3037	NASDAQ	AVT	Thu, Jun 17, 2004	22.12	22.15	21.33	21.51
3036	NASDAQ	AVT	Wed, Jun 16, 2004	22.58	22.68	22.02	22.27
3035	NASDAQ	AVT	Tue, Jun 15, 2004	22.28	22.75	22.28	22.69
3034	NASDAQ	AVT	Mon, Jun 14, 2004	23.01	23.01	21.98	22.16
3033	NASDAQ	AVT	Thu, Jun 10, 2004	22.70	23.14	22.51	23.00
3032	NASDAQ	AVT	Wed, Jun 9, 2004	22.82	22.95	22.68	22.70
3031	NASDAQ	AVT	Tue, Jun 8, 2004	22.78	23.14	22.42	23.02
3030	NASDAQ	AVT	Mon, Jun 7, 2004	22.54	23.19	21.25	23.12
3029	NASDAQ	AVT	Fri, Jun 4, 2004	22.37	23.00	22.32	22.54
3028	NASDAQ	AVT	Thu, Jun 3, 2004	22.52	22.56	21.97	22.23
3027	NASDAQ	AVT	Wed, Jun 2, 2004	23.18	23.18	22.61	22.75
3026	NASDAQ	AVT	Tue, Jun 1, 2004	23.10	23.20	22.87	23.17
3025	NASDAQ	AVT	Fri, May 28, 2004	22.97	23.49	22.75	23.40
3024	NASDAQ	AVT	Thu, May 27, 2004	22.77	23.48	22.75	23.07
3023	NASDAQ	AVT	Wed, May 26, 2004	22.40	23.06	22.22	22.70
3022	NASDAQ	AVT	Tue, May 25, 2004	22.15	22.54	21.93	22.40
3021	NASDAQ	AVT	Mon, May 24, 2004	22.35	22.48	22.08	22.39
3020	NASDAQ	AVT	Fri, May 21, 2004	22.16	22.35	21.83	21.99
3019	NASDAQ	AVT	Thu, May 20, 2004	22.19	22.31	21.84	22.05
3018	NASDAQ	AVT	Wed, May 19, 2004	22.10	22.88	22.10	22.26
3017	NASDAQ	AVT	Tue, May 18, 2004	22.02	22.32	21.74	22.02
3016	NASDAQ	AVT	Mon, May 17, 2004	21.35	21.63	21.15	21.27
3015	NASDAQ	AVT	Fri, May 14, 2004	21.75	21.94	21.47	21.56
3014	NASDAQ	AVT	Thu, May 13, 2004	21.80	22.23	21.61	21.80
3013	NASDAQ	AVT	Wed, May 12, 2004	22.25	22.25	21.13	21.65
3012	NASDAQ	AVT	Tue, May 11, 2004	21.95	22.39	21.94	22.29
3011	NASDAQ	AVT	Mon, May 10, 2004	21.86	22.01	21.57	21.70
3010	NASDAQ	AVT	Fri, May 7, 2004	21.85	22.68	21.80	22.11
3009	NASDAQ	AVT	Thu, May 6, 2004	21.99	22.15	21.76	22.03
3008	NASDAQ	AVT	Wed, May 5, 2004	21.80	22.30	21.70	21.98
3007	NASDAQ	AVT	Tue, May 4, 2004	21.55	21.96	21.47	21.80
3006	NASDAQ	AVT	Mon, May 3, 2004	21.66	21.78	20.87	21.28
3005	NASDAQ	AVT	Fri, Apr 30, 2004	23.97	23.99	21.01	21.64
3004	NASDAQ	AVT	Thu, Apr 29, 2004	23.01	23.27	22.20	22.46
3003	NASDAQ	AVT	Wed, Apr 28, 2004	23.93	23.98	22.91	23.05
3002	NASDAQ	AVT	Tue, Apr 27, 2004	24.68	24.80	24.02	24.06
3001	NASDAQ	AVT	Mon, Apr 26, 2004	25.10	25.15	24.45	24.68
3000	NASDAQ	AVT	Fri, Apr 23, 2004	25.00	25.40	24.90	25.04
2999	NASDAQ	AVT	Thu, Apr 22, 2004	24.44	25.10	24.05	24.95
2998	NASDAQ	AVT	Wed, Apr 21, 2004	23.94	24.47	23.84	24.29
2997	NASDAQ	AVT	Tue, Apr 20, 2004	24.70	25.03	23.91	23.96
2996	NASDAQ	AVT	Mon, Apr 19, 2004	23.89	24.82	23.89	24.70
2995	NASDAQ	AVT	Fri, Apr 16, 2004	24.26	24.35	23.76	24.09
2994	NASDAQ	AVT	Thu, Apr 15, 2004	25.05	25.20	23.92	24.51
2993	NASDAQ	AVT	Wed, Apr 14, 2004	24.89	25.54	24.81	24.89
2992	NASDAQ	AVT	Tue, Apr 13, 2004	25.98	25.98	24.85	24.95
2991	NASDAQ	AVT	Mon, Apr 12, 2004	26.00	26.30	25.63	25.78
2990	NASDAQ	AVT	Thu, Apr 8, 2004	26.18	26.92	25.55	25.82
2989	NASDAQ	AVT	Wed, Apr 7, 2004	25.55	26.00	25.40	25.68
2988	NASDAQ	AVT	Tue, Apr 6, 2004	25.60	25.74	25.32	25.70
2987	NASDAQ	AVT	Mon, Apr 5, 2004	26.25	26.34	25.38	25.67
2986	NASDAQ	AVT	Fri, Apr 2, 2004	25.35	26.07	25.30	26.00
2985	NASDAQ	AVT	Thu, Apr 1, 2004	24.59	25.00	24.49	25.00
2984	NASDAQ	AVT	Wed, Mar 31, 2004	24.44	24.66	24.22	24.49
2983	NASDAQ	AVT	Tue, Mar 30, 2004	23.99	24.66	23.70	24.44
2982	NASDAQ	AVT	Mon, Mar 29, 2004	23.87	24.35	23.77	24.19
2981	NASDAQ	AVT	Fri, Mar 26, 2004	23.35	24.13	23.20	23.86
2980	NASDAQ	AVT	Thu, Mar 25, 2004	22.76	23.84	22.71	23.57
2979	NASDAQ	AVT	Wed, Mar 24, 2004	21.78	22.91	21.78	22.37
2978	NASDAQ	AVT	Tue, Mar 23, 2004	21.70	22.17	21.65	21.77
2977	NASDAQ	AVT	Mon, Mar 22, 2004	22.00	22.00	21.50	21.70
2976	NASDAQ	AVT	Fri, Mar 19, 2004	22.63	22.70	22.37	22.38
2975	NASDAQ	AVT	Thu, Mar 18, 2004	22.72	22.89	22.14	22.50
2974	NASDAQ	AVT	Wed, Mar 17, 2004	22.01	22.82	22.01	22.73
2973	NASDAQ	AVT	Tue, Mar 16, 2004	22.11	22.34	21.66	22.00
2972	NASDAQ	AVT	Mon, Mar 15, 2004	22.34	22.35	21.18	21.61
2971	NASDAQ	AVT	Fri, Mar 12, 2004	22.37	22.62	22.20	22.35
2970	NASDAQ	AVT	Thu, Mar 11, 2004	22.07	22.82	22.06	22.12
2969	NASDAQ	AVT	Wed, Mar 10, 2004	22.69	22.94	22.18	22.62
2968	NASDAQ	AVT	Tue, Mar 9, 2004	22.81	23.00	22.33	22.49
2967	NASDAQ	AVT	Mon, Mar 8, 2004	23.22	23.70	22.62	22.72
2966	NASDAQ	AVT	Fri, Mar 5, 2004	22.36	23.63	22.36	23.42
2965	NASDAQ	AVT	Thu, Mar 4, 2004	22.82	23.25	22.81	22.90
2964	NASDAQ	AVT	Wed, Mar 3, 2004	22.98	23.07	22.68	22.87
2963	NASDAQ	AVT	Tue, Mar 2, 2004	22.41	23.10	22.32	22.98
2962	NASDAQ	AVT	Mon, Mar 1, 2004	22.50	22.94	22.20	22.41
2961	NASDAQ	AVT	Fri, Feb 27, 2004	23.91	24.02	23.40	23.55
2960	NASDAQ	AVT	Thu, Feb 26, 2004	23.10	23.76	22.87	23.66
2959	NASDAQ	AVT	Wed, Feb 25, 2004	23.05	23.27	22.86	23.09
2958	NASDAQ	AVT	Tue, Feb 24, 2004	22.62	23.27	22.56	22.96
2957	NASDAQ	AVT	Mon, Feb 23, 2004	23.83	23.89	22.85	23.05
2956	NASDAQ	AVT	Fri, Feb 20, 2004	24.38	24.38	23.39	23.75
2955	NASDAQ	AVT	Thu, Feb 19, 2004	25.23	25.34	24.37	24.37
2954	NASDAQ	AVT	Wed, Feb 18, 2004	25.33	25.35	25.01	25.05
2953	NASDAQ	AVT	Tue, Feb 17, 2004	25.34	25.49	25.08	25.30
2952	NASDAQ	AVT	Fri, Feb 13, 2004	25.30	25.48	24.71	25.01
2951	NASDAQ	AVT	Thu, Feb 12, 2004	25.27	25.29	24.70	24.72
2950	NASDAQ	AVT	Wed, Feb 11, 2004	25.00	25.38	24.86	25.23
2949	NASDAQ	AVT	Tue, Feb 10, 2004	25.07	25.25	24.91	25.00
2948	NASDAQ	AVT	Mon, Feb 9, 2004	25.40	25.41	24.88	24.89
2947	NASDAQ	AVT	Fri, Feb 6, 2004	25.00	25.26	24.83	25.00
2946	NASDAQ	AVT	Thu, Feb 5, 2004	24.98	25.28	24.83	24.96
2945	NASDAQ	AVT	Wed, Feb 4, 2004	25.30	25.43	24.84	24.98
2944	NASDAQ	AVT	Tue, Feb 3, 2004	25.73	25.86	25.34	25.43
2943	NASDAQ	AVT	Mon, Feb 2, 2004	26.25	26.54	25.64	25.73
2942	NASDAQ	AVT	Fri, Jan 30, 2004	25.11	27.52	25.11	26.35
2941	NASDAQ	AVT	Thu, Jan 29, 2004	25.70	25.75	23.85	24.46
2940	NASDAQ	AVT	Wed, Jan 28, 2004	25.57	25.85	25.34	25.59
2939	NASDAQ	AVT	Tue, Jan 27, 2004	25.28	25.57	24.89	25.57
2938	NASDAQ	AVT	Mon, Jan 26, 2004	25.47	25.57	25.01	25.45
2937	NASDAQ	AVT	Fri, Jan 23, 2004	24.94	25.60	24.38	25.49
2936	NASDAQ	AVT	Thu, Jan 22, 2004	25.37	25.46	24.88	25.04
2935	NASDAQ	AVT	Wed, Jan 21, 2004	25.29	25.47	24.57	25.47
2934	NASDAQ	AVT	Tue, Jan 20, 2004	25.61	25.74	25.31	25.53
2933	NASDAQ	AVT	Fri, Jan 16, 2004	25.30	25.88	25.10	25.82
2932	NASDAQ	AVT	Thu, Jan 15, 2004	24.41	24.79	23.53	24.75
2931	NASDAQ	AVT	Wed, Jan 14, 2004	23.98	24.25	23.88	24.19
2930	NASDAQ	AVT	Tue, Jan 13, 2004	23.89	24.03	23.13	23.67
2929	NASDAQ	AVT	Mon, Jan 12, 2004	23.36	23.96	23.36	23.85
2928	NASDAQ	AVT	Fri, Jan 9, 2004	22.70	23.22	22.26	23.11
2927	NASDAQ	AVT	Thu, Jan 8, 2004	21.39	22.17	21.22	22.10
2926	NASDAQ	AVT	Wed, Jan 7, 2004	21.40	21.54	21.05	21.30
2925	NASDAQ	AVT	Tue, Jan 6, 2004	21.45	21.83	21.20	21.54
2924	NASDAQ	AVT	Mon, Jan 5, 2004	21.22	21.64	21.22	21.55
2923	NASDAQ	AVT	Fri, Jan 2, 2004	21.74	21.88	21.08	21.31
2922	NASDAQ	AVT	Wed, Dec 31, 2003	21.90	21.95	21.46	21.66
2921	NASDAQ	AVT	Tue, Dec 30, 2003	21.86	21.98	21.72	21.80
2920	NASDAQ	AVT	Mon, Dec 29, 2003	21.35	21.96	21.30	21.85
2919	NASDAQ	AVT	Fri, Dec 26, 2003	21.22	21.43	21.09	21.11
2918	NASDAQ	AVT	Wed, Dec 24, 2003	21.29	21.42	21.00	21.22
2917	NASDAQ	AVT	Tue, Dec 23, 2003	21.22	21.41	21.00	21.29
2916	NASDAQ	AVT	Mon, Dec 22, 2003	21.30	21.60	21.11	21.24
2915	NASDAQ	AVT	Fri, Dec 19, 2003	21.50	21.67	21.28	21.40
2914	NASDAQ	AVT	Thu, Dec 18, 2003	21.25	21.74	21.08	21.44
2913	NASDAQ	AVT	Wed, Dec 17, 2003	21.20	21.43	20.75	21.30
2912	NASDAQ	AVT	Tue, Dec 16, 2003	21.01	21.23	20.72	21.19
2911	NASDAQ	AVT	Mon, Dec 15, 2003	22.42	22.60	21.06	21.10
2910	NASDAQ	AVT	Fri, Dec 12, 2003	22.24	22.30	21.73	22.25
2909	NASDAQ	AVT	Thu, Dec 11, 2003	21.63	22.34	21.48	22.33
2908	NASDAQ	AVT	Wed, Dec 10, 2003	21.41	21.68	21.00	21.57
2907	NASDAQ	AVT	Tue, Dec 9, 2003	22.20	22.21	20.80	21.41
2906	NASDAQ	AVT	Mon, Dec 8, 2003	21.62	22.20	21.62	22.20
2905	NASDAQ	AVT	Fri, Dec 5, 2003	21.97	22.01	21.59	21.62
2904	NASDAQ	AVT	Thu, Dec 4, 2003	22.06	22.31	21.92	22.28
2903	NASDAQ	AVT	Wed, Dec 3, 2003	21.95	22.33	21.83	22.06
2902	NASDAQ	AVT	Tue, Dec 2, 2003	21.42	21.79	21.24	21.70
2901	NASDAQ	AVT	Mon, Dec 1, 2003	21.33	21.68	21.16	21.67
2900	NASDAQ	AVT	Fri, Nov 28, 2003	20.96	21.35	20.96	21.33
2899	NASDAQ	AVT	Wed, Nov 26, 2003	21.14	21.70	21.02	21.19
2898	NASDAQ	AVT	Tue, Nov 25, 2003	20.76	21.20	20.60	21.14
2897	NASDAQ	AVT	Mon, Nov 24, 2003	20.71	20.76	20.27	20.76
2896	NASDAQ	AVT	Fri, Nov 21, 2003	20.20	20.61	20.06	20.46
2895	NASDAQ	AVT	Thu, Nov 20, 2003	20.25	20.63	20.06	20.17
2894	NASDAQ	AVT	Wed, Nov 19, 2003	20.06	20.45	20.02	20.45
2893	NASDAQ	AVT	Tue, Nov 18, 2003	19.78	20.39	19.72	20.18
2892	NASDAQ	AVT	Mon, Nov 17, 2003	19.75	20.08	19.19	19.56
2891	NASDAQ	AVT	Fri, Nov 14, 2003	21.20	21.31	20.46	20.49
2890	NASDAQ	AVT	Thu, Nov 13, 2003	21.45	21.53	20.92	21.18
2889	NASDAQ	AVT	Wed, Nov 12, 2003	20.20	21.57	20.20	21.53
2888	NASDAQ	AVT	Tue, Nov 11, 2003	21.00	21.00	20.64	20.64
2887	NASDAQ	AVT	Mon, Nov 10, 2003	21.79	21.80	20.93	21.03
2886	NASDAQ	AVT	Fri, Nov 7, 2003	21.50	21.94	21.40	21.78
2885	NASDAQ	AVT	Thu, Nov 6, 2003	21.47	21.47	21.03	21.41
2884	NASDAQ	AVT	Wed, Nov 5, 2003	21.03	21.53	20.80	21.53
2883	NASDAQ	AVT	Tue, Nov 4, 2003	20.30	21.40	20.29	21.05
2882	NASDAQ	AVT	Mon, Nov 3, 2003	19.55	20.44	19.45	20.21
2881	NASDAQ	AVT	Fri, Oct 31, 2003	19.00	19.60	18.90	19.40
2880	NASDAQ	AVT	Thu, Oct 30, 2003	18.71	18.82	18.28	18.67
2879	NASDAQ	AVT	Wed, Oct 29, 2003	18.36	18.47	18.00	18.33
2878	NASDAQ	AVT	Tue, Oct 28, 2003	17.65	18.44	17.60	18.39
2877	NASDAQ	AVT	Mon, Oct 27, 2003	17.33	17.87	17.14	17.58
2876	NASDAQ	AVT	Fri, Oct 24, 2003	17.05	17.33	16.85	17.33
2875	NASDAQ	AVT	Thu, Oct 23, 2003	17.62	17.78	17.05	17.40
2874	NASDAQ	AVT	Wed, Oct 22, 2003	18.28	18.28	17.63	17.75
2873	NASDAQ	AVT	Tue, Oct 21, 2003	18.35	18.91	18.25	18.43
2872	NASDAQ	AVT	Mon, Oct 20, 2003	18.17	18.29	18.04	18.15
2871	NASDAQ	AVT	Fri, Oct 17, 2003	18.30	18.51	17.82	17.94
2870	NASDAQ	AVT	Thu, Oct 16, 2003	18.30	18.70	18.15	18.36
2869	NASDAQ	AVT	Wed, Oct 15, 2003	18.75	19.00	18.31	18.42
2868	NASDAQ	AVT	Tue, Oct 14, 2003	18.63	18.70	18.45	18.60
2867	NASDAQ	AVT	Mon, Oct 13, 2003	18.89	19.06	18.54	18.69
2866	NASDAQ	AVT	Fri, Oct 10, 2003	18.45	18.81	18.45	18.69
2865	NASDAQ	AVT	Thu, Oct 9, 2003	18.30	19.09	18.30	18.50
2864	NASDAQ	AVT	Wed, Oct 8, 2003	18.00	18.30	18.00	18.17
2863	NASDAQ	AVT	Tue, Oct 7, 2003	17.45	17.99	17.45	17.86
2862	NASDAQ	AVT	Mon, Oct 6, 2003	17.41	17.88	17.41	17.59
2861	NASDAQ	AVT	Fri, Oct 3, 2003	17.01	17.60	17.01	17.41
2860	NASDAQ	AVT	Thu, Oct 2, 2003	16.84	17.07	16.75	16.75
2859	NASDAQ	AVT	Wed, Oct 1, 2003	16.30	16.89	16.27	16.82
2858	NASDAQ	AVT	Tue, Sep 30, 2003	16.95	17.01	16.48	16.52
2857	NASDAQ	AVT	Mon, Sep 29, 2003	16.64	17.28	16.64	17.28
2856	NASDAQ	AVT	Fri, Sep 26, 2003	17.03	17.34	16.61	16.61
2855	NASDAQ	AVT	Thu, Sep 25, 2003	17.55	17.70	16.96	17.03
2854	NASDAQ	AVT	Wed, Sep 24, 2003	17.82	17.99	17.22	17.23
2853	NASDAQ	AVT	Tue, Sep 23, 2003	17.65	17.83	17.46	17.77
2852	NASDAQ	AVT	Mon, Sep 22, 2003	17.90	17.98	17.56	17.65
2851	NASDAQ	AVT	Fri, Sep 19, 2003	18.18	18.30	17.95	18.21
2850	NASDAQ	AVT	Thu, Sep 18, 2003	18.09	18.30	17.67	18.18
2849	NASDAQ	AVT	Wed, Sep 17, 2003	18.00	18.40	17.83	18.09
2848	NASDAQ	AVT	Tue, Sep 16, 2003	17.79	17.99	17.52	17.99
2847	NASDAQ	AVT	Mon, Sep 15, 2003	17.90	17.99	17.49	17.62
2846	NASDAQ	AVT	Fri, Sep 12, 2003	17.43	17.90	17.20	17.90
2845	NASDAQ	AVT	Thu, Sep 11, 2003	17.23	17.63	16.89	17.43
2844	NASDAQ	AVT	Wed, Sep 10, 2003	18.30	18.30	17.15	17.25
2843	NASDAQ	AVT	Tue, Sep 9, 2003	18.45	18.54	18.15	18.30
2842	NASDAQ	AVT	Mon, Sep 8, 2003	18.25	18.82	18.15	18.69
2841	NASDAQ	AVT	Fri, Sep 5, 2003	18.35	18.50	17.96	18.16
2840	NASDAQ	AVT	Thu, Sep 4, 2003	17.87	18.48	17.68	18.41
2839	NASDAQ	AVT	Wed, Sep 3, 2003	18.32	18.54	17.80	17.80
2838	NASDAQ	AVT	Tue, Sep 2, 2003	18.20	18.50	17.69	18.32
2837	NASDAQ	AVT	Fri, Aug 29, 2003	17.60	18.41	17.46	18.05
2836	NASDAQ	AVT	Thu, Aug 28, 2003	16.92	17.75	16.42	17.60
2835	NASDAQ	AVT	Wed, Aug 27, 2003	16.25	16.89	16.23	16.81
2834	NASDAQ	AVT	Tue, Aug 26, 2003	16.40	16.40	15.76	16.18
2833	NASDAQ	AVT	Mon, Aug 25, 2003	16.86	16.90	16.10	16.47
2832	NASDAQ	AVT	Fri, Aug 22, 2003	17.30	17.64	17.05	17.11
2831	NASDAQ	AVT	Thu, Aug 21, 2003	15.95	17.30	15.90	16.95
2830	NASDAQ	AVT	Wed, Aug 20, 2003	15.40	15.89	15.20	15.65
2829	NASDAQ	AVT	Tue, Aug 19, 2003	14.75	15.76	14.75	15.68
2828	NASDAQ	AVT	Mon, Aug 18, 2003	14.30	14.72	14.18	14.72
2827	NASDAQ	AVT	Fri, Aug 15, 2003	14.18	14.35	14.01	14.10
2826	NASDAQ	AVT	Thu, Aug 14, 2003	13.85	14.20	13.70	14.18
2825	NASDAQ	AVT	Wed, Aug 13, 2003	13.71	14.01	13.32	13.75
2824	NASDAQ	AVT	Tue, Aug 12, 2003	13.00	13.73	12.90	13.70
2823	NASDAQ	AVT	Mon, Aug 11, 2003	12.90	13.29	12.90	13.20
2822	NASDAQ	AVT	Fri, Aug 8, 2003	12.65	13.03	12.52	12.86
2821	NASDAQ	AVT	Thu, Aug 7, 2003	13.25	13.28	12.18	12.50
2820	NASDAQ	AVT	Wed, Aug 6, 2003	13.75	13.91	13.48	13.55
2819	NASDAQ	AVT	Tue, Aug 5, 2003	14.33	14.34	13.61	13.75
2818	NASDAQ	AVT	Mon, Aug 4, 2003	14.44	14.56	14.13	14.53
2817	NASDAQ	AVT	Fri, Aug 1, 2003	14.35	14.48	14.22	14.40
2816	NASDAQ	AVT	Thu, Jul 31, 2003	14.47	14.87	14.39	14.40
2815	NASDAQ	AVT	Wed, Jul 30, 2003	14.46	14.59	14.25	14.40
2814	NASDAQ	AVT	Tue, Jul 29, 2003	14.52	14.93	14.01	14.46
2813	NASDAQ	AVT	Mon, Jul 28, 2003	13.79	14.53	13.73	14.52
2812	NASDAQ	AVT	Fri, Jul 25, 2003	13.85	13.93	13.30	13.69
2811	NASDAQ	AVT	Thu, Jul 24, 2003	13.80	14.26	13.75	13.90
2810	NASDAQ	AVT	Wed, Jul 23, 2003	13.61	13.70	13.02	13.50
2809	NASDAQ	AVT	Tue, Jul 22, 2003	13.30	13.67	13.15	13.56
2808	NASDAQ	AVT	Mon, Jul 21, 2003	13.43	13.50	13.19	13.32
2807	NASDAQ	AVT	Fri, Jul 18, 2003	13.36	13.55	13.16	13.42
2806	NASDAQ	AVT	Thu, Jul 17, 2003	13.71	13.76	13.28	13.36
2805	NASDAQ	AVT	Wed, Jul 16, 2003	13.61	13.89	13.42	13.70
2804	NASDAQ	AVT	Tue, Jul 15, 2003	13.78	13.90	13.42	13.55
2803	NASDAQ	AVT	Mon, Jul 14, 2003	13.50	14.03	13.48	13.72
2802	NASDAQ	AVT	Fri, Jul 11, 2003	13.12	13.60	13.12	13.40
2801	NASDAQ	AVT	Thu, Jul 10, 2003	13.33	13.33	12.89	12.89
2800	NASDAQ	AVT	Wed, Jul 9, 2003	13.40	13.90	13.40	13.70
2799	NASDAQ	AVT	Tue, Jul 8, 2003	13.44	13.58	13.22	13.38
2798	NASDAQ	AVT	Mon, Jul 7, 2003	13.20	13.55	13.17	13.44
2797	NASDAQ	AVT	Thu, Jul 3, 2003	13.27	13.31	13.00	13.05
2796	NASDAQ	AVT	Wed, Jul 2, 2003	12.90	13.40	12.71	13.27
2795	NASDAQ	AVT	Tue, Jul 1, 2003	12.68	12.95	12.02	12.90
2794	NASDAQ	AVT	Mon, Jun 30, 2003	12.62	12.75	12.19	12.68
2793	NASDAQ	AVT	Fri, Jun 27, 2003	12.35	12.67	12.35	12.39
2792	NASDAQ	AVT	Thu, Jun 26, 2003	12.00	12.54	11.95	12.25
2791	NASDAQ	AVT	Wed, Jun 25, 2003	11.97	12.50	11.93	11.98
2790	NASDAQ	AVT	Tue, Jun 24, 2003	11.95	12.09	11.87	11.90
2789	NASDAQ	AVT	Mon, Jun 23, 2003	12.03	12.16	11.80	12.00
2788	NASDAQ	AVT	Fri, Jun 20, 2003	12.64	12.64	11.91	11.98
2787	NASDAQ	AVT	Thu, Jun 19, 2003	12.73	13.04	12.51	12.56
2786	NASDAQ	AVT	Wed, Jun 18, 2003	12.70	12.87	12.35	12.73
2785	NASDAQ	AVT	Tue, Jun 17, 2003	13.34	13.34	12.65	12.65
2784	NASDAQ	AVT	Mon, Jun 16, 2003	12.75	13.20	12.40	13.16
2783	NASDAQ	AVT	Fri, Jun 13, 2003	13.31	13.48	12.50	12.53
2782	NASDAQ	AVT	Thu, Jun 12, 2003	13.40	13.60	13.25	13.35
2781	NASDAQ	AVT	Wed, Jun 11, 2003	13.80	13.80	13.17	13.30
2780	NASDAQ	AVT	Tue, Jun 10, 2003	13.25	13.88	13.14	13.88
2779	NASDAQ	AVT	Mon, Jun 9, 2003	13.98	13.99	13.17	13.20
2778	NASDAQ	AVT	Fri, Jun 6, 2003	13.95	14.53	13.95	14.02
2777	NASDAQ	AVT	Thu, Jun 5, 2003	13.60	13.61	13.23	13.57
2776	NASDAQ	AVT	Wed, Jun 4, 2003	13.41	13.78	13.15	13.69
2775	NASDAQ	AVT	Tue, Jun 3, 2003	13.42	13.49	13.15	13.40
2774	NASDAQ	AVT	Mon, Jun 2, 2003	13.60	13.75	13.35	13.49
2773	NASDAQ	AVT	Fri, May 30, 2003	13.00	13.60	13.00	13.60
2772	NASDAQ	AVT	Thu, May 29, 2003	12.81	13.03	12.62	12.83
2771	NASDAQ	AVT	Wed, May 28, 2003	12.30	12.82	12.27	12.81
2770	NASDAQ	AVT	Tue, May 27, 2003	11.80	12.45	11.72	12.38
2769	NASDAQ	AVT	Fri, May 23, 2003	11.90	11.96	11.77	11.90
2768	NASDAQ	AVT	Thu, May 22, 2003	11.82	12.14	11.71	11.89
2767	NASDAQ	AVT	Wed, May 21, 2003	11.88	11.99	11.67	11.85
2766	NASDAQ	AVT	Tue, May 20, 2003	11.95	12.25	11.70	11.85
2765	NASDAQ	AVT	Mon, May 19, 2003	12.30	12.46	11.70	11.88
2764	NASDAQ	AVT	Fri, May 16, 2003	12.37	12.64	12.32	12.50
2763	NASDAQ	AVT	Thu, May 15, 2003	12.56	12.65	12.21	12.35
2762	NASDAQ	AVT	Wed, May 14, 2003	12.65	12.69	12.39	12.47
2761	NASDAQ	AVT	Tue, May 13, 2003	12.80	12.80	12.48	12.48
2760	NASDAQ	AVT	Mon, May 12, 2003	12.55	13.10	12.40	12.95
2759	NASDAQ	AVT	Fri, May 9, 2003	12.47	12.85	12.47	12.65
2758	NASDAQ	AVT	Thu, May 8, 2003	12.40	12.63	12.37	12.50
2757	NASDAQ	AVT	Wed, May 7, 2003	12.36	12.55	12.10	12.50
2756	NASDAQ	AVT	Tue, May 6, 2003	12.47	12.56	12.31	12.46
2755	NASDAQ	AVT	Mon, May 5, 2003	12.51	12.52	11.53	12.48
2754	NASDAQ	AVT	Fri, May 2, 2003	12.44	12.66	12.34	12.51
2753	NASDAQ	AVT	Thu, May 1, 2003	12.65	12.66	12.20	12.46
2752	NASDAQ	AVT	Wed, Apr 30, 2003	12.80	12.99	12.53	12.75
2751	NASDAQ	AVT	Tue, Apr 29, 2003	12.69	13.25	12.69	12.84
2750	NASDAQ	AVT	Mon, Apr 28, 2003	12.34	13.00	12.30	12.69
2749	NASDAQ	AVT	Fri, Apr 25, 2003	12.60	12.70	12.16	12.41
2748	NASDAQ	AVT	Thu, Apr 24, 2003	13.00	13.15	12.60	12.72
2747	NASDAQ	AVT	Wed, Apr 23, 2003	12.28	13.15	12.23	13.08
2746	NASDAQ	AVT	Tue, Apr 22, 2003	11.97	12.60	11.74	12.38
2745	NASDAQ	AVT	Mon, Apr 21, 2003	11.79	12.00	11.62	12.00
2744	NASDAQ	AVT	Thu, Apr 17, 2003	11.27	11.85	11.27	11.69
2743	NASDAQ	AVT	Wed, Apr 16, 2003	11.06	11.54	11.06	11.27
2742	NASDAQ	AVT	Tue, Apr 15, 2003	10.80	11.01	10.76	11.00
2741	NASDAQ	AVT	Mon, Apr 14, 2003	10.54	11.12	10.53	11.03
2740	NASDAQ	AVT	Fri, Apr 11, 2003	10.88	10.99	10.42	10.54
2739	NASDAQ	AVT	Thu, Apr 10, 2003	10.62	10.91	10.55	10.84
2738	NASDAQ	AVT	Wed, Apr 9, 2003	10.71	10.90	10.55	10.65
2737	NASDAQ	AVT	Tue, Apr 8, 2003	10.87	10.88	10.40	10.74
2736	NASDAQ	AVT	Mon, Apr 7, 2003	10.73	11.28	10.73	10.83
2735	NASDAQ	AVT	Fri, Apr 4, 2003	10.78	10.93	10.47	10.61
2734	NASDAQ	AVT	Thu, Apr 3, 2003	11.12	11.20	10.71	10.76
2733	NASDAQ	AVT	Wed, Apr 2, 2003	10.85	11.18	10.77	11.12
2732	NASDAQ	AVT	Tue, Apr 1, 2003	10.45	10.58	10.24	10.44
2731	NASDAQ	AVT	Mon, Mar 31, 2003	10.65	10.65	10.26	10.48
2730	NASDAQ	AVT	Fri, Mar 28, 2003	10.81	10.89	10.69	10.75
2729	NASDAQ	AVT	Thu, Mar 27, 2003	10.81	11.04	10.65	10.80
2728	NASDAQ	AVT	Wed, Mar 26, 2003	10.88	10.88	10.61	10.80
2727	NASDAQ	AVT	Tue, Mar 25, 2003	10.90	11.03	10.55	10.95
2726	NASDAQ	AVT	Mon, Mar 24, 2003	11.40	11.40	10.50	10.90
2725	NASDAQ	AVT	Fri, Mar 21, 2003	11.15	11.40	10.74	11.40
2724	NASDAQ	AVT	Thu, Mar 20, 2003	10.83	11.23	10.64	11.10
2723	NASDAQ	AVT	Wed, Mar 19, 2003	11.00	11.00	10.57	10.89
2722	NASDAQ	AVT	Tue, Mar 18, 2003	11.22	11.23	10.87	11.00
2721	NASDAQ	AVT	Mon, Mar 17, 2003	10.09	11.28	10.03	11.25
2720	NASDAQ	AVT	Fri, Mar 14, 2003	10.52	10.70	10.00	10.19
2719	NASDAQ	AVT	Thu, Mar 13, 2003	10.12	10.50	9.99	10.49
2718	NASDAQ	AVT	Wed, Mar 12, 2003	9.71	10.08	9.71	10.02
2717	NASDAQ	AVT	Tue, Mar 11, 2003	9.72	9.95	9.60	9.61
2716	NASDAQ	AVT	Mon, Mar 10, 2003	9.85	10.05	9.72	9.72
2715	NASDAQ	AVT	Fri, Mar 7, 2003	9.77	10.10	9.71	10.05
2714	NASDAQ	AVT	Thu, Mar 6, 2003	9.76	9.93	9.58	9.85
2713	NASDAQ	AVT	Wed, Mar 5, 2003	9.79	10.10	9.58	9.77
2712	NASDAQ	AVT	Tue, Mar 4, 2003	9.92	10.00	9.46	9.89
2711	NASDAQ	AVT	Mon, Mar 3, 2003	10.34	10.49	9.90	9.95
2710	NASDAQ	AVT	Fri, Feb 28, 2003	10.20	10.50	10.11	10.30
2709	NASDAQ	AVT	Thu, Feb 27, 2003	9.74	10.13	9.60	10.10
2708	NASDAQ	AVT	Wed, Feb 26, 2003	10.03	10.13	9.45	9.80
2707	NASDAQ	AVT	Tue, Feb 25, 2003	10.02	10.04	9.67	10.03
2706	NASDAQ	AVT	Mon, Feb 24, 2003	10.25	10.25	9.91	10.01
2705	NASDAQ	AVT	Fri, Feb 21, 2003	10.21	10.36	10.02	10.31
2704	NASDAQ	AVT	Thu, Feb 20, 2003	10.32	10.43	10.12	10.25
2703	NASDAQ	AVT	Wed, Feb 19, 2003	10.12	10.30	10.05	10.30
2702	NASDAQ	AVT	Tue, Feb 18, 2003	10.00	10.32	9.94	10.22
2701	NASDAQ	AVT	Fri, Feb 14, 2003	9.65	9.96	9.62	9.79
2700	NASDAQ	AVT	Thu, Feb 13, 2003	10.20	10.25	9.31	9.71
2699	NASDAQ	AVT	Wed, Feb 12, 2003	10.22	10.41	10.08	10.13
2698	NASDAQ	AVT	Tue, Feb 11, 2003	10.58	10.62	10.19	10.32
2697	NASDAQ	AVT	Mon, Feb 10, 2003	10.41	10.59	10.37	10.58
2696	NASDAQ	AVT	Fri, Feb 7, 2003	10.60	10.66	10.31	10.44
2695	NASDAQ	AVT	Thu, Feb 6, 2003	10.60	10.98	10.52	10.60
2694	NASDAQ	AVT	Wed, Feb 5, 2003	10.79	11.02	10.50	10.68
2693	NASDAQ	AVT	Tue, Feb 4, 2003	10.84	11.00	10.54	10.69
2692	NASDAQ	AVT	Mon, Feb 3, 2003	10.69	11.25	10.54	10.89
2691	NASDAQ	AVT	Fri, Jan 31, 2003	10.17	10.39	9.75	10.39
2690	NASDAQ	AVT	Thu, Jan 30, 2003	10.50	10.59	10.00	10.17
2689	NASDAQ	AVT	Wed, Jan 29, 2003	10.70	10.80	10.40	10.40
2688	NASDAQ	AVT	Tue, Jan 28, 2003	10.90	11.00	10.44	10.77
2687	NASDAQ	AVT	Mon, Jan 27, 2003	10.64	10.79	10.25	10.66
2686	NASDAQ	AVT	Fri, Jan 24, 2003	10.65	11.01	10.40	10.74
2685	NASDAQ	AVT	Thu, Jan 23, 2003	10.73	10.84	10.25	10.57
2684	NASDAQ	AVT	Wed, Jan 22, 2003	10.75	10.80	10.45	10.66
2683	NASDAQ	AVT	Tue, Jan 21, 2003	11.02	11.21	10.70	10.75
2682	NASDAQ	AVT	Fri, Jan 17, 2003	11.48	11.48	10.91	11.00
2681	NASDAQ	AVT	Thu, Jan 16, 2003	12.02	12.32	11.47	11.50
2680	NASDAQ	AVT	Wed, Jan 15, 2003	12.25	12.45	11.73	12.02
2679	NASDAQ	AVT	Tue, Jan 14, 2003	12.28	12.76	12.13	12.55
2678	NASDAQ	AVT	Mon, Jan 13, 2003	12.48	13.00	12.19	12.35
2677	NASDAQ	AVT	Fri, Jan 10, 2003	11.59	12.47	11.45	12.37
2676	NASDAQ	AVT	Thu, Jan 9, 2003	11.65	11.98	11.32	11.59
2675	NASDAQ	AVT	Wed, Jan 8, 2003	11.78	11.84	11.42	11.60
2674	NASDAQ	AVT	Tue, Jan 7, 2003	11.86	12.17	11.77	12.00
2673	NASDAQ	AVT	Mon, Jan 6, 2003	11.46	12.10	11.46	11.85
2672	NASDAQ	AVT	Fri, Jan 3, 2003	11.45	11.64	11.13	11.29
2671	NASDAQ	AVT	Thu, Jan 2, 2003	11.05	11.55	10.83	11.49
2670	NASDAQ	AVT	Tue, Dec 31, 2002	10.56	11.18	10.56	10.83
2669	NASDAQ	AVT	Mon, Dec 30, 2002	10.60	10.92	10.51	10.75
2668	NASDAQ	AVT	Fri, Dec 27, 2002	10.93	11.16	10.76	10.84
2667	NASDAQ	AVT	Thu, Dec 26, 2002	11.12	11.45	10.87	11.03
2666	NASDAQ	AVT	Tue, Dec 24, 2002	11.20	11.29	10.95	11.14
2665	NASDAQ	AVT	Mon, Dec 23, 2002	11.05	11.36	11.05	11.30
2664	NASDAQ	AVT	Fri, Dec 20, 2002	11.14	11.42	10.95	11.32
2663	NASDAQ	AVT	Thu, Dec 19, 2002	11.39	11.77	10.84	11.13
2662	NASDAQ	AVT	Wed, Dec 18, 2002	11.96	11.96	11.30	11.45
2661	NASDAQ	AVT	Tue, Dec 17, 2002	12.35	12.45	11.97	12.17
2660	NASDAQ	AVT	Mon, Dec 16, 2002	11.20	11.90	11.20	11.73
2659	NASDAQ	AVT	Fri, Dec 13, 2002	11.52	11.80	11.33	11.60
2658	NASDAQ	AVT	Thu, Dec 12, 2002	11.22	11.73	11.21	11.60
2657	NASDAQ	AVT	Wed, Dec 11, 2002	11.33	11.68	10.80	11.26
2656	NASDAQ	AVT	Tue, Dec 10, 2002	10.65	11.53	10.45	11.37
2655	NASDAQ	AVT	Mon, Dec 9, 2002	11.25	11.26	10.55	10.69
2654	NASDAQ	AVT	Fri, Dec 6, 2002	11.46	11.46	11.06	11.27
2653	NASDAQ	AVT	Thu, Dec 5, 2002	11.90	12.05	11.30	11.49
2652	NASDAQ	AVT	Wed, Dec 4, 2002	12.65	12.65	11.33	11.80
2651	NASDAQ	AVT	Tue, Dec 3, 2002	13.20	13.20	12.72	12.93
2650	NASDAQ	AVT	Mon, Dec 2, 2002	14.19	14.75	13.25	13.41
2649	NASDAQ	AVT	Fri, Nov 29, 2002	14.05	14.42	13.85	14.15
2648	NASDAQ	AVT	Wed, Nov 27, 2002	13.07	14.10	13.05	14.10
2647	NASDAQ	AVT	Tue, Nov 26, 2002	13.25	13.53	12.86	13.05
2646	NASDAQ	AVT	Mon, Nov 25, 2002	11.80	13.31	11.77	13.25
2645	NASDAQ	AVT	Fri, Nov 22, 2002	11.07	11.80	10.84	11.72
2644	NASDAQ	AVT	Thu, Nov 21, 2002	9.98	11.20	9.98	11.11
2643	NASDAQ	AVT	Wed, Nov 20, 2002	9.63	10.10	9.61	9.81
2642	NASDAQ	AVT	Tue, Nov 19, 2002	9.60	9.94	9.40	9.63
2641	NASDAQ	AVT	Mon, Nov 18, 2002	9.25	9.77	9.25	9.60
2640	NASDAQ	AVT	Fri, Nov 15, 2002	9.04	9.25	8.89	9.21
2639	NASDAQ	AVT	Thu, Nov 14, 2002	8.90	9.23	8.85	9.19
2638	NASDAQ	AVT	Wed, Nov 13, 2002	8.74	9.06	8.42	8.77
2637	NASDAQ	AVT	Tue, Nov 12, 2002	8.41	8.95	8.40	8.95
2636	NASDAQ	AVT	Mon, Nov 11, 2002	8.69	8.69	8.16	8.41
2635	NASDAQ	AVT	Fri, Nov 8, 2002	8.90	9.20	8.65	8.69
2634	NASDAQ	AVT	Thu, Nov 7, 2002	10.00	10.00	9.20	9.23
2633	NASDAQ	AVT	Wed, Nov 6, 2002	9.89	10.40	9.73	10.26
2632	NASDAQ	AVT	Tue, Nov 5, 2002	9.88	10.00	9.63	9.88
2631	NASDAQ	AVT	Mon, Nov 4, 2002	9.45	10.25	9.45	9.87
2630	NASDAQ	AVT	Fri, Nov 1, 2002	8.95	9.35	8.90	9.20
2629	NASDAQ	AVT	Thu, Oct 31, 2002	9.33	9.65	9.06	9.30
2628	NASDAQ	AVT	Wed, Oct 30, 2002	9.13	9.62	9.04	9.43
2627	NASDAQ	AVT	Tue, Oct 29, 2002	9.35	9.39	8.71	9.12
2626	NASDAQ	AVT	Mon, Oct 28, 2002	9.00	9.63	9.00	9.23
2625	NASDAQ	AVT	Fri, Oct 25, 2002	8.01	9.00	8.01	8.84
2624	NASDAQ	AVT	Thu, Oct 24, 2002	7.61	8.38	7.58	8.00
2623	NASDAQ	AVT	Wed, Oct 23, 2002	7.30	7.60	7.21	7.51
2622	NASDAQ	AVT	Tue, Oct 22, 2002	7.50	7.80	7.15	7.30
2621	NASDAQ	AVT	Mon, Oct 21, 2002	6.20	7.70	6.17	7.60
2620	NASDAQ	AVT	Fri, Oct 18, 2002	6.20	6.43	6.00	6.20
2619	NASDAQ	AVT	Thu, Oct 17, 2002	6.12	6.39	6.07	6.12
2618	NASDAQ	AVT	Wed, Oct 16, 2002	6.20	6.21	5.55	5.96
2617	NASDAQ	AVT	Tue, Oct 15, 2002	6.90	6.91	6.19	6.28
2616	NASDAQ	AVT	Mon, Oct 14, 2002	6.00	6.34	5.87	6.20
2615	NASDAQ	AVT	Fri, Oct 11, 2002	6.79	6.85	6.13	6.19
2614	NASDAQ	AVT	Thu, Oct 10, 2002	7.00	7.00	5.84	6.58
2613	NASDAQ	AVT	Wed, Oct 9, 2002	6.78	7.20	6.54	6.62
2612	NASDAQ	AVT	Tue, Oct 8, 2002	7.20	7.21	6.05	6.95
2611	NASDAQ	AVT	Mon, Oct 7, 2002	8.37	8.37	6.45	6.60
2610	NASDAQ	AVT	Fri, Oct 4, 2002	9.30	9.33	7.78	8.35
2609	NASDAQ	AVT	Thu, Oct 3, 2002	10.30	10.40	9.25	9.26
2608	NASDAQ	AVT	Wed, Oct 2, 2002	11.15	11.47	10.79	10.85
2607	NASDAQ	AVT	Tue, Oct 1, 2002	10.79	11.13	10.56	11.11
2606	NASDAQ	AVT	Mon, Sep 30, 2002	10.90	10.93	10.53	10.79
2605	NASDAQ	AVT	Fri, Sep 27, 2002	11.81	12.03	11.25	11.28
2604	NASDAQ	AVT	Thu, Sep 26, 2002	12.00	12.00	11.62	11.81
2603	NASDAQ	AVT	Wed, Sep 25, 2002	12.00	12.00	11.60	11.91
2602	NASDAQ	AVT	Tue, Sep 24, 2002	12.16	12.26	11.57	11.61
2601	NASDAQ	AVT	Mon, Sep 23, 2002	12.82	12.83	12.05	12.15
2600	NASDAQ	AVT	Fri, Sep 20, 2002	13.20	13.20	12.70	12.91
2599	NASDAQ	AVT	Thu, Sep 19, 2002	13.00	13.35	12.98	13.00
2598	NASDAQ	AVT	Wed, Sep 18, 2002	13.31	13.31	12.75	12.97
2597	NASDAQ	AVT	Tue, Sep 17, 2002	13.50	13.75	13.20	13.39
2596	NASDAQ	AVT	Mon, Sep 16, 2002	13.80	13.80	13.42	13.50
2595	NASDAQ	AVT	Fri, Sep 13, 2002	13.61	13.90	13.45	13.75
2594	NASDAQ	AVT	Thu, Sep 12, 2002	14.22	14.22	13.50	13.71
2593	NASDAQ	AVT	Wed, Sep 11, 2002	14.68	14.85	14.25	14.26
2592	NASDAQ	AVT	Tue, Sep 10, 2002	14.29	14.86	14.28	14.61
2591	NASDAQ	AVT	Mon, Sep 9, 2002	14.40	14.50	13.85	14.28
2590	NASDAQ	AVT	Fri, Sep 6, 2002	14.21	14.54	14.16	14.40
2589	NASDAQ	AVT	Thu, Sep 5, 2002	14.60	14.60	14.13	14.14
2588	NASDAQ	AVT	Wed, Sep 4, 2002	14.62	14.96	14.31	14.92
2587	NASDAQ	AVT	Tue, Sep 3, 2002	15.15	15.31	14.62	14.64
2586	NASDAQ	AVT	Fri, Aug 30, 2002	15.83	15.87	15.40	15.48
2585	NASDAQ	AVT	Thu, Aug 29, 2002	15.49	16.03	15.25	15.85
2584	NASDAQ	AVT	Wed, Aug 28, 2002	15.84	15.93	15.38	15.89
2583	NASDAQ	AVT	Tue, Aug 27, 2002	16.71	16.71	15.87	15.87
2582	NASDAQ	AVT	Mon, Aug 26, 2002	16.70	16.90	16.12	16.70
2581	NASDAQ	AVT	Fri, Aug 23, 2002	17.47	17.47	16.76	16.77
2580	NASDAQ	AVT	Thu, Aug 22, 2002	17.18	17.66	16.95	17.50
2579	NASDAQ	AVT	Wed, Aug 21, 2002	16.88	17.25	16.74	17.18
2578	NASDAQ	AVT	Tue, Aug 20, 2002	17.20	17.20	16.60	16.87
2577	NASDAQ	AVT	Mon, Aug 19, 2002	16.70	17.19	16.62	17.01
2576	NASDAQ	AVT	Fri, Aug 16, 2002	16.10	17.00	15.94	16.70
2575	NASDAQ	AVT	Thu, Aug 15, 2002	15.95	16.05	15.52	16.01
2574	NASDAQ	AVT	Wed, Aug 14, 2002	14.65	15.37	14.30	15.37
2573	NASDAQ	AVT	Tue, Aug 13, 2002	15.21	15.86	14.48	14.61
2572	NASDAQ	AVT	Mon, Aug 12, 2002	15.79	15.79	15.20	15.41
2571	NASDAQ	AVT	Fri, Aug 9, 2002	16.10	16.10	15.35	15.89
2570	NASDAQ	AVT	Thu, Aug 8, 2002	15.35	16.23	14.88	16.13
2569	NASDAQ	AVT	Wed, Aug 7, 2002	15.30	15.65	14.73	15.32
2568	NASDAQ	AVT	Tue, Aug 6, 2002	14.25	15.29	14.16	14.95
2567	NASDAQ	AVT	Mon, Aug 5, 2002	15.11	15.12	14.30	14.35
2566	NASDAQ	AVT	Fri, Aug 2, 2002	16.07	16.07	15.08	15.38
2565	NASDAQ	AVT	Thu, Aug 1, 2002	16.65	16.81	15.85	16.07
2564	NASDAQ	AVT	Wed, Jul 31, 2002	17.12	17.12	16.36	16.70
2563	NASDAQ	AVT	Tue, Jul 30, 2002	17.40	17.54	16.90	17.15
2562	NASDAQ	AVT	Mon, Jul 29, 2002	16.50	17.40	16.45	17.40
2561	NASDAQ	AVT	Fri, Jul 26, 2002	16.48	16.76	15.56	15.90
2560	NASDAQ	AVT	Thu, Jul 25, 2002	17.06	17.25	16.19	16.50
2559	NASDAQ	AVT	Wed, Jul 24, 2002	16.90	17.22	16.50	17.05
2558	NASDAQ	AVT	Tue, Jul 23, 2002	18.10	18.40	17.15	17.50
2557	NASDAQ	AVT	Mon, Jul 22, 2002	18.65	18.97	17.82	18.11
2556	NASDAQ	AVT	Fri, Jul 19, 2002	18.98	19.07	18.70	18.91
2555	NASDAQ	AVT	Thu, Jul 18, 2002	19.09	19.35	18.96	18.99
2554	NASDAQ	AVT	Wed, Jul 17, 2002	19.50	19.75	18.81	19.21
2553	NASDAQ	AVT	Tue, Jul 16, 2002	19.49	19.85	19.16	19.25
2552	NASDAQ	AVT	Mon, Jul 15, 2002	19.40	20.25	18.82	19.48
2551	NASDAQ	AVT	Fri, Jul 12, 2002	20.30	20.68	19.57	20.12
2550	NASDAQ	AVT	Thu, Jul 11, 2002	19.35	20.33	18.80	20.25
2549	NASDAQ	AVT	Wed, Jul 10, 2002	20.03	20.06	19.24	19.37
2548	NASDAQ	AVT	Tue, Jul 9, 2002	20.36	20.55	19.97	19.97
2547	NASDAQ	AVT	Mon, Jul 8, 2002	21.05	21.14	19.94	20.10
2546	NASDAQ	AVT	Fri, Jul 5, 2002	19.69	21.05	19.69	21.05
2545	NASDAQ	AVT	Wed, Jul 3, 2002	19.60	19.70	18.58	19.21
2544	NASDAQ	AVT	Tue, Jul 2, 2002	21.55	21.55	19.49	19.52
2543	NASDAQ	AVT	Mon, Jul 1, 2002	21.72	21.95	21.41	21.60
2542	NASDAQ	AVT	Fri, Jun 28, 2002	20.87	22.12	20.78	21.99
2541	NASDAQ	AVT	Thu, Jun 27, 2002	20.40	21.08	20.40	20.87
2540	NASDAQ	AVT	Wed, Jun 26, 2002	19.80	20.39	19.72	20.18
2539	NASDAQ	AVT	Tue, Jun 25, 2002	20.10	20.50	20.00	20.18
2538	NASDAQ	AVT	Mon, Jun 24, 2002	19.45	20.11	19.35	19.90
2537	NASDAQ	AVT	Fri, Jun 21, 2002	19.30	19.70	19.14	19.49
2536	NASDAQ	AVT	Thu, Jun 20, 2002	19.98	20.23	19.53	19.55
2535	NASDAQ	AVT	Wed, Jun 19, 2002	20.12	20.61	19.98	19.98
2534	NASDAQ	AVT	Tue, Jun 18, 2002	20.57	21.28	20.52	20.53
2533	NASDAQ	AVT	Mon, Jun 17, 2002	20.35	21.05	20.16	20.87
2532	NASDAQ	AVT	Fri, Jun 14, 2002	19.16	20.17	18.91	20.17
2531	NASDAQ	AVT	Thu, Jun 13, 2002	18.91	19.65	18.47	19.41
2530	NASDAQ	AVT	Wed, Jun 12, 2002	19.85	19.86	18.13	18.95
2529	NASDAQ	AVT	Tue, Jun 11, 2002	21.75	21.98	20.45	20.45
2528	NASDAQ	AVT	Mon, Jun 10, 2002	21.30	22.00	21.04	21.67
2527	NASDAQ	AVT	Fri, Jun 7, 2002	21.04	21.28	20.60	21.18
2526	NASDAQ	AVT	Thu, Jun 6, 2002	21.78	21.83	21.40	21.55
2525	NASDAQ	AVT	Wed, Jun 5, 2002	22.10	22.20	21.75	21.88
2524	NASDAQ	AVT	Tue, Jun 4, 2002	21.77	22.00	21.54	22.00
2523	NASDAQ	AVT	Mon, Jun 3, 2002	22.95	22.95	21.74	21.77
2522	NASDAQ	AVT	Fri, May 31, 2002	23.30	23.50	23.10	23.13
2521	NASDAQ	AVT	Thu, May 30, 2002	22.92	23.25	22.67	23.25
2520	NASDAQ	AVT	Wed, May 29, 2002	23.27	23.50	23.01	23.08
2519	NASDAQ	AVT	Tue, May 28, 2002	23.65	23.73	23.04	23.52
2518	NASDAQ	AVT	Fri, May 24, 2002	24.00	24.00	23.58	23.65
2517	NASDAQ	AVT	Thu, May 23, 2002	24.00	24.38	23.92	24.24
2516	NASDAQ	AVT	Wed, May 22, 2002	24.16	24.53	23.82	24.13
2515	NASDAQ	AVT	Tue, May 21, 2002	24.90	24.95	24.03	24.17
2514	NASDAQ	AVT	Mon, May 20, 2002	25.05	25.06	24.50	24.65
2513	NASDAQ	AVT	Fri, May 17, 2002	24.85	25.20	24.68	25.05
2512	NASDAQ	AVT	Thu, May 16, 2002	25.00	25.08	24.62	24.77
2511	NASDAQ	AVT	Wed, May 15, 2002	24.93	25.59	24.74	24.94
2510	NASDAQ	AVT	Tue, May 14, 2002	24.40	25.60	24.40	25.14
2509	NASDAQ	AVT	Mon, May 13, 2002	23.27	24.17	23.05	24.00
2508	NASDAQ	AVT	Fri, May 10, 2002	24.03	24.19	23.10	23.27
2507	NASDAQ	AVT	Thu, May 9, 2002	24.60	24.60	23.82	23.88
2506	NASDAQ	AVT	Wed, May 8, 2002	24.05	24.77	24.04	24.60
2505	NASDAQ	AVT	Tue, May 7, 2002	23.81	23.85	23.19	23.64
2504	NASDAQ	AVT	Mon, May 6, 2002	24.09	24.47	23.63	23.71
2503	NASDAQ	AVT	Fri, May 3, 2002	24.59	24.85	23.83	24.09
2502	NASDAQ	AVT	Thu, May 2, 2002	25.28	25.79	24.51	24.57
2501	NASDAQ	AVT	Wed, May 1, 2002	25.62	25.72	24.73	25.23
2500	NASDAQ	AVT	Tue, Apr 30, 2002	25.18	25.94	25.18	25.62
2499	NASDAQ	AVT	Mon, Apr 29, 2002	25.21	25.57	25.00	25.24
2498	NASDAQ	AVT	Fri, Apr 26, 2002	26.10	26.25	25.10	25.41
2497	NASDAQ	AVT	Thu, Apr 25, 2002	25.81	26.30	25.80	26.09
2496	NASDAQ	AVT	Wed, Apr 24, 2002	27.40	27.45	25.85	25.95
2495	NASDAQ	AVT	Tue, Apr 23, 2002	27.48	27.85	27.39	27.53
2494	NASDAQ	AVT	Mon, Apr 22, 2002	27.90	27.90	27.11	27.32
2493	NASDAQ	AVT	Fri, Apr 19, 2002	28.07	28.20	27.73	27.90
2492	NASDAQ	AVT	Thu, Apr 18, 2002	28.45	28.54	27.97	28.19
2491	NASDAQ	AVT	Wed, Apr 17, 2002	28.00	28.40	27.88	28.29
2490	NASDAQ	AVT	Tue, Apr 16, 2002	27.53	28.44	27.53	28.37
2489	NASDAQ	AVT	Mon, Apr 15, 2002	27.36	27.76	26.88	27.35
2488	NASDAQ	AVT	Fri, Apr 12, 2002	27.63	27.65	26.92	27.36
2487	NASDAQ	AVT	Thu, Apr 11, 2002	28.40	28.40	27.45	27.61
2486	NASDAQ	AVT	Wed, Apr 10, 2002	27.46	28.43	27.38	28.42
2485	NASDAQ	AVT	Tue, Apr 9, 2002	27.24	27.69	26.91	27.40
2484	NASDAQ	AVT	Mon, Apr 8, 2002	27.25	27.36	26.70	27.24
2483	NASDAQ	AVT	Fri, Apr 5, 2002	27.50	27.58	27.16	27.39
2482	NASDAQ	AVT	Thu, Apr 4, 2002	26.29	27.14	26.20	27.10
2481	NASDAQ	AVT	Wed, Apr 3, 2002	26.90	27.15	26.25	26.25
2480	NASDAQ	AVT	Tue, Apr 2, 2002	27.22	27.22	26.78	26.86
2479	NASDAQ	AVT	Mon, Apr 1, 2002	27.06	27.30	26.51	27.22
2478	NASDAQ	AVT	Thu, Mar 28, 2002	27.45	27.49	26.96	27.06
2477	NASDAQ	AVT	Wed, Mar 27, 2002	26.97	27.25	26.78	26.95
2476	NASDAQ	AVT	Tue, Mar 26, 2002	26.39	26.91	26.36	26.87
2475	NASDAQ	AVT	Mon, Mar 25, 2002	27.00	27.30	26.02	26.14
2474	NASDAQ	AVT	Fri, Mar 22, 2002	27.35	27.40	27.05	27.08
2473	NASDAQ	AVT	Thu, Mar 21, 2002	27.30	27.48	26.75	27.29
2472	NASDAQ	AVT	Wed, Mar 20, 2002	27.63	27.70	27.02	27.25
2471	NASDAQ	AVT	Tue, Mar 19, 2002	27.68	27.88	27.33	27.63
2470	NASDAQ	AVT	Mon, Mar 18, 2002	27.75	27.89	27.30	27.48
2469	NASDAQ	AVT	Fri, Mar 15, 2002	27.67	28.04	27.20	27.68
2468	NASDAQ	AVT	Thu, Mar 14, 2002	27.60	27.90	27.25	27.40
2467	NASDAQ	AVT	Wed, Mar 13, 2002	28.00	28.00	27.29	27.50
2466	NASDAQ	AVT	Tue, Mar 12, 2002	28.45	28.45	27.74	28.00
2465	NASDAQ	AVT	Mon, Mar 11, 2002	28.95	28.95	28.35	28.50
2464	NASDAQ	AVT	Fri, Mar 8, 2002	28.48	29.24	28.40	29.06
2463	NASDAQ	AVT	Thu, Mar 7, 2002	28.45	28.60	27.90	28.23
2462	NASDAQ	AVT	Wed, Mar 6, 2002	28.22	28.38	27.38	28.25
2461	NASDAQ	AVT	Tue, Mar 5, 2002	27.44	28.25	27.40	27.98
2460	NASDAQ	AVT	Mon, Mar 4, 2002	26.70	27.76	26.65	27.44
2459	NASDAQ	AVT	Fri, Mar 1, 2002	26.30	26.75	26.30	26.63
2458	NASDAQ	AVT	Thu, Feb 28, 2002	26.56	26.73	26.16	26.26
2457	NASDAQ	AVT	Wed, Feb 27, 2002	26.43	26.65	26.10	26.46
2456	NASDAQ	AVT	Tue, Feb 26, 2002	26.78	26.78	25.75	26.26
2455	NASDAQ	AVT	Mon, Feb 25, 2002	25.90	26.83	25.90	26.59
2454	NASDAQ	AVT	Fri, Feb 22, 2002	25.05	25.99	24.83	25.86
2453	NASDAQ	AVT	Thu, Feb 21, 2002	25.66	25.77	24.90	25.00
2452	NASDAQ	AVT	Wed, Feb 20, 2002	25.94	26.00	24.96	25.70
2451	NASDAQ	AVT	Tue, Feb 19, 2002	25.58	25.77	25.10	25.42
2450	NASDAQ	AVT	Fri, Feb 15, 2002	25.80	25.82	25.37	25.64
2449	NASDAQ	AVT	Thu, Feb 14, 2002	26.15	26.34	25.82	25.86
2448	NASDAQ	AVT	Wed, Feb 13, 2002	26.40	26.91	26.10	26.19
2447	NASDAQ	AVT	Tue, Feb 12, 2002	26.22	26.75	25.65	26.27
2446	NASDAQ	AVT	Mon, Feb 11, 2002	25.35	26.48	25.35	26.21
2445	NASDAQ	AVT	Fri, Feb 8, 2002	25.12	25.40	24.90	25.20
2444	NASDAQ	AVT	Thu, Feb 7, 2002	25.70	25.79	25.11	25.12
2443	NASDAQ	AVT	Wed, Feb 6, 2002	25.75	25.90	25.39	25.60
2442	NASDAQ	AVT	Tue, Feb 5, 2002	26.10	26.10	25.64	25.68
2441	NASDAQ	AVT	Mon, Feb 4, 2002	26.06	26.50	25.75	25.89
2440	NASDAQ	AVT	Fri, Feb 1, 2002	26.70	26.70	26.03	26.11
2439	NASDAQ	AVT	Thu, Jan 31, 2002	26.00	26.65	25.96	26.65
2438	NASDAQ	AVT	Wed, Jan 30, 2002	25.30	25.70	25.05	25.60
2437	NASDAQ	AVT	Tue, Jan 29, 2002	25.85	26.27	25.17	25.18
2436	NASDAQ	AVT	Mon, Jan 28, 2002	25.00	25.70	25.00	25.66
2435	NASDAQ	AVT	Fri, Jan 25, 2002	24.10	25.10	23.81	25.01
2434	NASDAQ	AVT	Thu, Jan 24, 2002	23.85	24.53	23.82	24.15
2433	NASDAQ	AVT	Wed, Jan 23, 2002	22.98	23.85	22.80	23.85
2432	NASDAQ	AVT	Tue, Jan 22, 2002	24.00	24.00	22.55	22.98
2431	NASDAQ	AVT	Fri, Jan 18, 2002	23.86	24.15	23.56	23.86
2430	NASDAQ	AVT	Thu, Jan 17, 2002	23.97	24.00	23.30	23.86
2429	NASDAQ	AVT	Wed, Jan 16, 2002	24.15	24.16	23.72	23.85
2428	NASDAQ	AVT	Tue, Jan 15, 2002	24.14	24.61	23.81	24.15
2427	NASDAQ	AVT	Mon, Jan 14, 2002	24.71	24.93	24.10	24.14
2426	NASDAQ	AVT	Fri, Jan 11, 2002	25.50	25.62	24.47	24.70
2425	NASDAQ	AVT	Thu, Jan 10, 2002	26.00	26.05	25.20	25.45
2424	NASDAQ	AVT	Wed, Jan 9, 2002	26.95	27.20	26.10	26.15
2423	NASDAQ	AVT	Tue, Jan 8, 2002	26.90	27.28	26.71	27.05
2422	NASDAQ	AVT	Mon, Jan 7, 2002	27.10	27.35	26.90	26.90
2421	NASDAQ	AVT	Fri, Jan 4, 2002	26.90	27.40	26.50	27.22
2420	NASDAQ	AVT	Thu, Jan 3, 2002	25.78	26.65	25.70	26.65
2419	NASDAQ	AVT	Wed, Jan 2, 2002	25.57	25.74	25.00	25.65
2418	NASDAQ	AVT	Mon, Dec 31, 2001	25.75	25.75	25.25	25.47
2417	NASDAQ	AVT	Fri, Dec 28, 2001	25.63	26.00	25.40	25.91
2416	NASDAQ	AVT	Thu, Dec 27, 2001	24.74	25.59	24.74	25.51
2415	NASDAQ	AVT	Wed, Dec 26, 2001	24.49	25.10	24.43	24.73
2414	NASDAQ	AVT	Mon, Dec 24, 2001	24.34	24.50	24.01	24.49
2413	NASDAQ	AVT	Fri, Dec 21, 2001	23.74	24.35	23.72	24.35
2412	NASDAQ	AVT	Thu, Dec 20, 2001	24.60	24.60	23.60	23.74
2411	NASDAQ	AVT	Wed, Dec 19, 2001	25.21	25.21	24.44	24.50
2410	NASDAQ	AVT	Tue, Dec 18, 2001	25.00	25.25	24.90	25.20
2409	NASDAQ	AVT	Mon, Dec 17, 2001	25.25	25.70	24.65	24.94
2408	NASDAQ	AVT	Fri, Dec 14, 2001	24.60	25.39	24.25	25.23
2407	NASDAQ	AVT	Thu, Dec 13, 2001	25.55	25.55	24.52	24.52
2406	NASDAQ	AVT	Wed, Dec 12, 2001	25.27	25.94	25.13	25.80
2405	NASDAQ	AVT	Tue, Dec 11, 2001	25.70	25.95	25.30	25.35
2404	NASDAQ	AVT	Mon, Dec 10, 2001	26.05	26.40	25.40	25.50
2403	NASDAQ	AVT	Fri, Dec 7, 2001	26.46	26.75	25.90	26.10
2402	NASDAQ	AVT	Thu, Dec 6, 2001	25.65	27.00	25.40	26.46
2401	NASDAQ	AVT	Wed, Dec 5, 2001	23.85	25.80	23.85	25.64
2400	NASDAQ	AVT	Tue, Dec 4, 2001	23.85	24.20	23.58	24.10
2399	NASDAQ	AVT	Mon, Dec 3, 2001	23.76	23.90	23.70	23.85
2398	NASDAQ	AVT	Fri, Nov 30, 2001	23.81	23.94	23.66	23.75
2397	NASDAQ	AVT	Thu, Nov 29, 2001	23.31	23.79	23.31	23.74
2396	NASDAQ	AVT	Wed, Nov 28, 2001	23.69	23.90	23.20	23.30
2395	NASDAQ	AVT	Tue, Nov 27, 2001	23.90	24.20	23.39	23.64
2394	NASDAQ	AVT	Mon, Nov 26, 2001	23.05	23.99	23.05	23.89
2393	NASDAQ	AVT	Fri, Nov 23, 2001	22.82	23.00	22.75	22.95
2392	NASDAQ	AVT	Wed, Nov 21, 2001	22.71	23.01	22.46	22.82
2391	NASDAQ	AVT	Tue, Nov 20, 2001	23.20	23.43	22.70	22.71
2390	NASDAQ	AVT	Mon, Nov 19, 2001	22.90	23.31	22.80	23.25
2389	NASDAQ	AVT	Fri, Nov 16, 2001	23.05	23.19	22.60	22.85
2388	NASDAQ	AVT	Thu, Nov 15, 2001	23.00	23.35	22.87	23.05
2387	NASDAQ	AVT	Wed, Nov 14, 2001	23.15	23.40	22.80	23.00
2386	NASDAQ	AVT	Tue, Nov 13, 2001	22.50	23.25	22.50	22.98
2385	NASDAQ	AVT	Mon, Nov 12, 2001	22.09	22.65	21.61	22.25
2384	NASDAQ	AVT	Fri, Nov 9, 2001	22.35	22.78	22.10	22.34
2383	NASDAQ	AVT	Thu, Nov 8, 2001	22.41	23.00	22.20	22.45
2382	NASDAQ	AVT	Wed, Nov 7, 2001	22.45	22.65	22.07	22.28
2381	NASDAQ	AVT	Tue, Nov 6, 2001	21.80	22.45	21.72	22.45
2380	NASDAQ	AVT	Mon, Nov 5, 2001	22.20	22.30	21.75	21.79
2379	NASDAQ	AVT	Fri, Nov 2, 2001	21.59	22.00	21.44	21.96
2378	NASDAQ	AVT	Thu, Nov 1, 2001	20.70	21.60	20.56	21.60
2377	NASDAQ	AVT	Wed, Oct 31, 2001	20.41	21.05	20.41	20.63
2376	NASDAQ	AVT	Tue, Oct 30, 2001	21.05	21.06	20.17	20.30
2375	NASDAQ	AVT	Mon, Oct 29, 2001	21.45	21.46	21.01	21.05
2374	NASDAQ	AVT	Fri, Oct 26, 2001	21.40	21.58	20.70	21.50
2373	NASDAQ	AVT	Thu, Oct 25, 2001	20.88	21.45	20.25	21.45
2372	NASDAQ	AVT	Wed, Oct 24, 2001	21.05	21.14	20.60	20.87
2371	NASDAQ	AVT	Tue, Oct 23, 2001	20.87	21.30	20.51	21.00
2370	NASDAQ	AVT	Mon, Oct 22, 2001	20.21	20.92	19.88	20.87
2369	NASDAQ	AVT	Fri, Oct 19, 2001	19.56	20.30	19.56	20.22
2368	NASDAQ	AVT	Thu, Oct 18, 2001	19.90	20.35	19.50	19.57
2367	NASDAQ	AVT	Wed, Oct 17, 2001	20.76	21.00	19.95	19.96
2366	NASDAQ	AVT	Tue, Oct 16, 2001	20.40	20.74	20.36	20.51
2365	NASDAQ	AVT	Mon, Oct 15, 2001	20.70	20.70	20.10	20.24
2364	NASDAQ	AVT	Fri, Oct 12, 2001	21.22	21.34	20.51	21.05
2363	NASDAQ	AVT	Thu, Oct 11, 2001	20.22	21.40	20.22	21.23
2362	NASDAQ	AVT	Wed, Oct 10, 2001	19.31	20.13	19.31	20.02
2361	NASDAQ	AVT	Tue, Oct 9, 2001	19.30	19.50	19.02	19.32
2360	NASDAQ	AVT	Mon, Oct 8, 2001	18.95	19.55	18.65	19.30
2359	NASDAQ	AVT	Fri, Oct 5, 2001	18.92	19.09	18.50	18.95
2358	NASDAQ	AVT	Thu, Oct 4, 2001	18.48	19.49	18.48	18.92
2357	NASDAQ	AVT	Wed, Oct 3, 2001	17.59	18.65	17.45	18.48
2356	NASDAQ	AVT	Tue, Oct 2, 2001	17.67	18.15	17.28	17.59
2355	NASDAQ	AVT	Mon, Oct 1, 2001	18.10	18.11	17.45	17.62
2354	NASDAQ	AVT	Fri, Sep 28, 2001	17.62	18.25	17.62	18.19
2353	NASDAQ	AVT	Thu, Sep 27, 2001	17.55	17.74	17.27	17.62
2352	NASDAQ	AVT	Wed, Sep 26, 2001	18.43	18.44	17.56	17.70
2351	NASDAQ	AVT	Tue, Sep 25, 2001	18.30	18.74	18.06	18.43
2350	NASDAQ	AVT	Mon, Sep 24, 2001	17.75	18.85	17.75	18.35
2349	NASDAQ	AVT	Fri, Sep 21, 2001	17.10	17.81	17.06	17.60
2348	NASDAQ	AVT	Thu, Sep 20, 2001	19.00	19.00	17.80	17.80
2347	NASDAQ	AVT	Wed, Sep 19, 2001	19.35	19.42	18.26	19.12
2346	NASDAQ	AVT	Tue, Sep 18, 2001	19.86	20.23	19.25	19.25
2345	NASDAQ	AVT	Mon, Sep 17, 2001	20.25	21.09	19.63	19.96
2344	NASDAQ	AVT	Mon, Sep 10, 2001	21.50	22.24	21.50	22.06
2343	NASDAQ	AVT	Fri, Sep 7, 2001	22.35	22.75	21.45	21.54
2342	NASDAQ	AVT	Thu, Sep 6, 2001	22.35	22.60	22.01	22.35
2341	NASDAQ	AVT	Wed, Sep 5, 2001	23.30	23.30	22.21	22.45
2340	NASDAQ	AVT	Tue, Sep 4, 2001	24.08	24.10	23.30	23.40
2339	NASDAQ	AVT	Fri, Aug 31, 2001	24.30	24.80	24.02	24.08
2338	NASDAQ	AVT	Thu, Aug 30, 2001	24.90	25.10	24.16	24.50
2337	NASDAQ	AVT	Wed, Aug 29, 2001	25.98	26.10	25.02	25.11
2336	NASDAQ	AVT	Tue, Aug 28, 2001	25.80	26.95	25.67	25.73
2335	NASDAQ	AVT	Mon, Aug 27, 2001	25.05	26.18	25.00	25.80
2334	NASDAQ	AVT	Fri, Aug 24, 2001	24.18	25.30	24.15	24.75
2333	NASDAQ	AVT	Thu, Aug 23, 2001	24.25	24.30	24.10	24.13
2332	NASDAQ	AVT	Wed, Aug 22, 2001	24.41	24.80	24.16	24.32
2331	NASDAQ	AVT	Tue, Aug 21, 2001	24.75	25.00	24.34	24.40
2330	NASDAQ	AVT	Mon, Aug 20, 2001	24.15	24.75	24.15	24.58
2329	NASDAQ	AVT	Fri, Aug 17, 2001	24.85	24.88	24.35	24.41
2328	NASDAQ	AVT	Thu, Aug 16, 2001	25.25	25.25	24.72	24.95
2327	NASDAQ	AVT	Wed, Aug 15, 2001	25.50	26.10	25.16	25.25
2326	NASDAQ	AVT	Tue, Aug 14, 2001	25.03	25.49	25.03	25.35
2325	NASDAQ	AVT	Mon, Aug 13, 2001	25.07	25.25	24.94	25.02
2324	NASDAQ	AVT	Fri, Aug 10, 2001	24.75	25.40	24.67	25.06
2323	NASDAQ	AVT	Thu, Aug 9, 2001	24.51	24.95	24.40	24.50
2322	NASDAQ	AVT	Wed, Aug 8, 2001	25.10	25.40	24.31	24.51
2321	NASDAQ	AVT	Tue, Aug 7, 2001	25.15	25.20	24.90	25.07
2320	NASDAQ	AVT	Mon, Aug 6, 2001	25.60	25.61	24.60	25.15
2319	NASDAQ	AVT	Fri, Aug 3, 2001	25.45	25.84	25.39	25.64
2318	NASDAQ	AVT	Thu, Aug 2, 2001	24.90	25.80	24.89	25.45
2317	NASDAQ	AVT	Wed, Aug 1, 2001	24.50	25.15	24.32	24.65
2316	NASDAQ	AVT	Tue, Jul 31, 2001	23.65	24.39	23.62	23.89
2315	NASDAQ	AVT	Mon, Jul 30, 2001	22.85	23.41	22.57	23.29
2314	NASDAQ	AVT	Fri, Jul 27, 2001	22.02	22.60	22.02	22.60
2313	NASDAQ	AVT	Thu, Jul 26, 2001	21.73	22.09	21.51	22.01
2312	NASDAQ	AVT	Wed, Jul 25, 2001	22.48	22.48	21.10	21.73
2311	NASDAQ	AVT	Tue, Jul 24, 2001	21.80	21.97	21.30	21.48
2310	NASDAQ	AVT	Mon, Jul 23, 2001	21.50	21.94	21.29	21.86
2309	NASDAQ	AVT	Fri, Jul 20, 2001	21.65	21.74	21.31	21.38
2308	NASDAQ	AVT	Thu, Jul 19, 2001	21.05	22.15	21.05	21.70
2307	NASDAQ	AVT	Wed, Jul 18, 2001	21.16	21.30	20.60	20.90
2306	NASDAQ	AVT	Tue, Jul 17, 2001	20.94	21.54	20.72	21.46
2305	NASDAQ	AVT	Mon, Jul 16, 2001	21.50	21.90	21.00	21.25
2304	NASDAQ	AVT	Fri, Jul 13, 2001	21.70	22.17	21.06	21.71
2303	NASDAQ	AVT	Thu, Jul 12, 2001	20.86	21.85	20.86	21.81
2302	NASDAQ	AVT	Wed, Jul 11, 2001	20.31	20.80	20.18	20.61
2301	NASDAQ	AVT	Tue, Jul 10, 2001	21.50	21.65	20.50	20.56
2300	NASDAQ	AVT	Mon, Jul 9, 2001	21.44	21.91	21.10	21.46
2299	NASDAQ	AVT	Fri, Jul 6, 2001	22.05	22.05	21.00	21.43
2298	NASDAQ	AVT	Thu, Jul 5, 2001	22.40	22.73	21.92	22.24
2297	NASDAQ	AVT	Tue, Jul 3, 2001	22.40	22.44	22.05	22.41
2296	NASDAQ	AVT	Mon, Jul 2, 2001	22.43	22.60	21.80	22.20
2295	NASDAQ	AVT	Fri, Jun 29, 2001	21.85	22.55	21.83	22.42
2294	NASDAQ	AVT	Thu, Jun 28, 2001	21.30	22.10	21.25	21.75
2293	NASDAQ	AVT	Wed, Jun 27, 2001	20.60	21.35	20.50	21.15
2292	NASDAQ	AVT	Tue, Jun 26, 2001	20.49	21.00	20.34	20.60
2291	NASDAQ	AVT	Mon, Jun 25, 2001	20.72	21.08	20.30	20.69
2290	NASDAQ	AVT	Fri, Jun 22, 2001	20.80	21.40	20.12	20.72
2289	NASDAQ	AVT	Thu, Jun 21, 2001	21.00	21.05	19.40	20.80
2288	NASDAQ	AVT	Wed, Jun 20, 2001	21.30	21.70	20.10	21.01
2287	NASDAQ	AVT	Tue, Jun 19, 2001	23.00	23.25	21.20	21.45
2286	NASDAQ	AVT	Mon, Jun 18, 2001	22.90	23.40	22.82	22.90
2285	NASDAQ	AVT	Fri, Jun 15, 2001	22.71	23.25	22.30	22.90
2284	NASDAQ	AVT	Thu, Jun 14, 2001	23.06	23.10	22.35	22.71
2283	NASDAQ	AVT	Wed, Jun 13, 2001	23.70	24.15	23.05	23.06
2282	NASDAQ	AVT	Tue, Jun 12, 2001	24.25	24.25	23.10	23.70
2281	NASDAQ	AVT	Mon, Jun 11, 2001	24.45	24.72	24.08	24.25
2280	NASDAQ	AVT	Fri, Jun 8, 2001	26.16	26.40	24.30	24.30
2279	NASDAQ	AVT	Thu, Jun 7, 2001	25.40	26.40	25.40	26.28
2278	NASDAQ	AVT	Wed, Jun 6, 2001	25.85	25.88	25.33	25.40
2277	NASDAQ	AVT	Tue, Jun 5, 2001	25.05	25.71	25.04	25.54
2276	NASDAQ	AVT	Mon, Jun 4, 2001	25.16	25.16	24.88	24.91
2275	NASDAQ	AVT	Fri, Jun 1, 2001	24.77	25.00	24.55	24.96
2274	NASDAQ	AVT	Thu, May 31, 2001	24.01	24.88	23.98	24.64
2273	NASDAQ	AVT	Wed, May 30, 2001	24.50	24.50	23.60	24.00
2272	NASDAQ	AVT	Tue, May 29, 2001	25.64	25.64	24.50	24.50
2271	NASDAQ	AVT	Fri, May 25, 2001	26.20	26.50	25.63	25.63
2270	NASDAQ	AVT	Thu, May 24, 2001	26.80	26.95	25.46	26.15
2269	NASDAQ	AVT	Wed, May 23, 2001	27.95	27.95	26.60	26.65
2268	NASDAQ	AVT	Tue, May 22, 2001	27.81	28.09	27.25	27.95
2267	NASDAQ	AVT	Mon, May 21, 2001	26.59	27.81	26.32	27.81
2266	NASDAQ	AVT	Fri, May 18, 2001	26.45	26.62	26.16	26.28
2265	NASDAQ	AVT	Thu, May 17, 2001	26.00	26.70	25.89	26.30
2264	NASDAQ	AVT	Wed, May 16, 2001	25.00	25.95	24.70	25.95
2263	NASDAQ	AVT	Tue, May 15, 2001	24.70	25.30	24.66	24.91
2262	NASDAQ	AVT	Mon, May 14, 2001	24.98	24.98	24.51	24.77
2261	NASDAQ	AVT	Fri, May 11, 2001	25.00	25.03	24.65	24.98
2260	NASDAQ	AVT	Thu, May 10, 2001	25.59	25.79	24.97	25.00
2259	NASDAQ	AVT	Wed, May 9, 2001	25.35	25.36	24.67	25.10
2258	NASDAQ	AVT	Tue, May 8, 2001	25.84	25.89	25.42	25.60
2257	NASDAQ	AVT	Mon, May 7, 2001	26.00	26.17	25.61	25.65
2256	NASDAQ	AVT	Fri, May 4, 2001	24.98	26.05	24.97	26.05
2255	NASDAQ	AVT	Thu, May 3, 2001	26.46	26.46	25.26	25.42
2254	NASDAQ	AVT	Wed, May 2, 2001	26.90	27.00	26.02	26.45
2253	NASDAQ	AVT	Tue, May 1, 2001	25.85	26.55	25.80	26.42
2252	NASDAQ	AVT	Mon, Apr 30, 2001	25.25	26.25	25.06	25.51
2251	NASDAQ	AVT	Fri, Apr 27, 2001	24.40	25.11	24.35	24.95
2250	NASDAQ	AVT	Thu, Apr 26, 2001	23.45	24.31	23.45	24.25
2249	NASDAQ	AVT	Wed, Apr 25, 2001	22.40	23.70	22.40	23.45
2248	NASDAQ	AVT	Tue, Apr 24, 2001	23.00	24.37	22.21	22.65
2247	NASDAQ	AVT	Mon, Apr 23, 2001	23.80	23.80	22.70	23.00
2246	NASDAQ	AVT	Fri, Apr 20, 2001	24.50	24.50	23.40	23.77
2245	NASDAQ	AVT	Thu, Apr 19, 2001	23.45	24.37	23.45	24.25
2244	NASDAQ	AVT	Wed, Apr 18, 2001	21.90	24.06	21.85	23.20
2243	NASDAQ	AVT	Tue, Apr 17, 2001	21.85	22.60	20.75	20.75
2242	NASDAQ	AVT	Mon, Apr 16, 2001	22.45	22.45	21.41	21.75
2241	NASDAQ	AVT	Thu, Apr 12, 2001	22.04	23.90	21.45	22.45
2240	NASDAQ	AVT	Wed, Apr 11, 2001	21.90	23.24	21.88	22.05
2239	NASDAQ	AVT	Tue, Apr 10, 2001	20.10	22.10	20.10	21.19
2238	NASDAQ	AVT	Mon, Apr 9, 2001	19.90	20.17	19.41	19.81
2237	NASDAQ	AVT	Fri, Apr 6, 2001	20.46	20.46	19.45	19.68
2236	NASDAQ	AVT	Thu, Apr 5, 2001	19.80	21.15	19.80	20.56
2235	NASDAQ	AVT	Wed, Apr 4, 2001	19.05	19.47	18.96	19.30
2234	NASDAQ	AVT	Tue, Apr 3, 2001	19.87	20.20	19.31	19.47
2233	NASDAQ	AVT	Mon, Apr 2, 2001	20.50	20.87	19.68	19.87
2232	NASDAQ	AVT	Fri, Mar 30, 2001	21.00	21.00	20.25	20.50
2231	NASDAQ	AVT	Thu, Mar 29, 2001	21.10	22.30	20.26	21.00
2230	NASDAQ	AVT	Wed, Mar 28, 2001	21.98	22.00	20.98	21.30
2229	NASDAQ	AVT	Tue, Mar 27, 2001	21.65	22.33	21.58	21.97
2228	NASDAQ	AVT	Mon, Mar 26, 2001	21.50	22.20	21.32	21.60
2227	NASDAQ	AVT	Fri, Mar 23, 2001	21.62	21.62	21.15	21.50
2226	NASDAQ	AVT	Thu, Mar 22, 2001	21.80	21.80	19.35	21.62
2225	NASDAQ	AVT	Wed, Mar 21, 2001	24.20	25.65	23.52	23.55
2224	NASDAQ	AVT	Tue, Mar 20, 2001	25.05	25.45	24.38	24.45
2223	NASDAQ	AVT	Mon, Mar 19, 2001	24.80	26.10	23.61	25.99
2222	NASDAQ	AVT	Fri, Mar 16, 2001	26.80	26.80	24.97	25.10
2221	NASDAQ	AVT	Thu, Mar 15, 2001	27.20	27.40	26.35	26.56
2220	NASDAQ	AVT	Wed, Mar 14, 2001	27.00	27.41	26.40	27.10
2219	NASDAQ	AVT	Tue, Mar 13, 2001	26.29	27.99	26.05	27.78
2218	NASDAQ	AVT	Mon, Mar 12, 2001	27.00	27.20	25.70	26.41
2217	NASDAQ	AVT	Fri, Mar 9, 2001	27.75	28.20	27.00	27.50
2216	NASDAQ	AVT	Thu, Mar 8, 2001	27.23	28.25	27.20	28.25
2215	NASDAQ	AVT	Wed, Mar 7, 2001	28.00	28.45	27.20	27.48
2214	NASDAQ	AVT	Tue, Mar 6, 2001	26.55	28.25	26.55	27.82
2213	NASDAQ	AVT	Mon, Mar 5, 2001	25.77	26.60	25.72	26.40
2212	NASDAQ	AVT	Fri, Mar 2, 2001	25.01	26.70	25.00	25.67
2211	NASDAQ	AVT	Thu, Mar 1, 2001	24.40	25.10	23.87	25.10
2210	NASDAQ	AVT	Wed, Feb 28, 2001	25.00	25.00	23.90	24.50
2209	NASDAQ	AVT	Tue, Feb 27, 2001	25.22	25.22	24.05	24.53
2208	NASDAQ	AVT	Mon, Feb 26, 2001	25.20	26.20	24.60	25.47
2207	NASDAQ	AVT	Fri, Feb 23, 2001	24.00	25.15	23.90	25.11
2206	NASDAQ	AVT	Thu, Feb 22, 2001	24.30	25.17	23.86	24.88
2205	NASDAQ	AVT	Wed, Feb 21, 2001	25.02	25.28	24.44	24.46
2204	NASDAQ	AVT	Tue, Feb 20, 2001	26.40	26.49	24.99	25.02
2203	NASDAQ	AVT	Fri, Feb 16, 2001	26.52	26.52	25.50	25.97
2202	NASDAQ	AVT	Thu, Feb 15, 2001	26.70	28.00	26.70	27.52
2201	NASDAQ	AVT	Wed, Feb 14, 2001	25.75	26.38	25.00	26.27
2200	NASDAQ	AVT	Tue, Feb 13, 2001	26.37	26.80	26.06	26.09
2199	NASDAQ	AVT	Mon, Feb 12, 2001	26.50	26.68	26.20	26.37
2198	NASDAQ	AVT	Fri, Feb 9, 2001	26.82	26.96	26.07	26.28
2197	NASDAQ	AVT	Thu, Feb 8, 2001	25.98	26.90	25.98	26.72
2196	NASDAQ	AVT	Wed, Feb 7, 2001	26.64	26.95	25.34	26.05
2195	NASDAQ	AVT	Tue, Feb 6, 2001	26.02	27.26	26.02	26.63
2194	NASDAQ	AVT	Mon, Feb 5, 2001	26.50	26.50	25.40	26.02
2193	NASDAQ	AVT	Fri, Feb 2, 2001	26.85	26.85	26.01	26.11
2192	NASDAQ	AVT	Thu, Feb 1, 2001	27.24	27.39	26.09	26.72
2191	NASDAQ	AVT	Wed, Jan 31, 2001	27.30	27.53	26.99	27.49
2190	NASDAQ	AVT	Tue, Jan 30, 2001	27.84	27.95	26.45	26.91
2189	NASDAQ	AVT	Mon, Jan 29, 2001	26.20	26.61	25.35	26.48
2188	NASDAQ	AVT	Fri, Jan 26, 2001	25.75	26.31	25.50	25.94
2187	NASDAQ	AVT	Thu, Jan 25, 2001	26.56	26.56	24.88	25.19
2186	NASDAQ	AVT	Wed, Jan 24, 2001	26.75	26.75	25.81	26.25
2185	NASDAQ	AVT	Tue, Jan 23, 2001	25.13	26.69	25.06	26.06
2184	NASDAQ	AVT	Mon, Jan 22, 2001	24.88	25.19	24.50	25.13
2183	NASDAQ	AVT	Fri, Jan 19, 2001	27.00	27.00	24.56	24.88
2182	NASDAQ	AVT	Thu, Jan 18, 2001	24.63	25.75	23.81	25.38
2181	NASDAQ	AVT	Wed, Jan 17, 2001	23.88	24.44	23.31	23.75
2180	NASDAQ	AVT	Tue, Jan 16, 2001	24.00	24.25	23.56	23.69
2179	NASDAQ	AVT	Fri, Jan 12, 2001	24.00	24.88	23.63	24.00
2178	NASDAQ	AVT	Thu, Jan 11, 2001	23.44	24.38	23.38	24.00
2177	NASDAQ	AVT	Wed, Jan 10, 2001	24.00	24.00	22.88	23.81
2176	NASDAQ	AVT	Tue, Jan 9, 2001	23.50	23.50	23.13	23.44
2175	NASDAQ	AVT	Mon, Jan 8, 2001	23.13	23.50	22.56	23.38
2174	NASDAQ	AVT	Fri, Jan 5, 2001	24.25	24.25	22.13	23.13
2173	NASDAQ	AVT	Thu, Jan 4, 2001	23.00	24.63	22.88	24.50
2172	NASDAQ	AVT	Wed, Jan 3, 2001	20.50	23.69	20.19	23.25
2171	NASDAQ	AVT	Tue, Jan 2, 2001	21.50	21.50	20.13	20.25
2170	NASDAQ	AVT	Fri, Dec 29, 2000	20.44	21.50	20.44	21.50
2169	NASDAQ	AVT	Thu, Dec 28, 2000	20.50	21.25	19.88	21.06
2168	NASDAQ	AVT	Wed, Dec 27, 2000	18.63	20.44	18.31	20.44
2167	NASDAQ	AVT	Tue, Dec 26, 2000	18.88	19.31	18.50	18.69
2166	NASDAQ	AVT	Fri, Dec 22, 2000	17.69	19.44	17.63	19.06
2165	NASDAQ	AVT	Thu, Dec 21, 2000	17.25	18.31	17.25	17.69
2164	NASDAQ	AVT	Wed, Dec 20, 2000	18.50	18.50	17.88	17.94
2163	NASDAQ	AVT	Tue, Dec 19, 2000	19.06	20.13	18.81	18.88
2162	NASDAQ	AVT	Mon, Dec 18, 2000	19.50	19.69	18.75	19.06
2161	NASDAQ	AVT	Fri, Dec 15, 2000	20.19	20.19	19.25	19.56
2160	NASDAQ	AVT	Thu, Dec 14, 2000	20.50	20.50	20.00	20.19
2159	NASDAQ	AVT	Wed, Dec 13, 2000	20.75	21.31	20.25	20.50
2158	NASDAQ	AVT	Tue, Dec 12, 2000	20.63	21.44	20.25	20.94
2157	NASDAQ	AVT	Mon, Dec 11, 2000	19.25	20.38	19.19	20.06
2156	NASDAQ	AVT	Fri, Dec 8, 2000	18.19	19.69	18.19	19.44
2155	NASDAQ	AVT	Thu, Dec 7, 2000	18.25	18.25	17.19	17.50
2154	NASDAQ	AVT	Wed, Dec 6, 2000	19.00	19.25	18.13	18.13
2153	NASDAQ	AVT	Tue, Dec 5, 2000	18.75	19.88	18.75	19.50
2152	NASDAQ	AVT	Mon, Dec 4, 2000	18.13	18.50	18.06	18.38
2151	NASDAQ	AVT	Fri, Dec 1, 2000	17.88	18.63	17.81	18.13
2150	NASDAQ	AVT	Thu, Nov 30, 2000	18.00	18.06	17.19	17.63
2149	NASDAQ	AVT	Wed, Nov 29, 2000	18.56	18.88	18.25	18.50
2148	NASDAQ	AVT	Tue, Nov 28, 2000	19.06	19.06	18.38	18.63
2147	NASDAQ	AVT	Mon, Nov 27, 2000	19.50	19.63	18.75	19.13
2146	NASDAQ	AVT	Fri, Nov 24, 2000	18.81	19.19	18.50	19.06
2145	NASDAQ	AVT	Wed, Nov 22, 2000	18.81	19.31	17.81	18.19
2144	NASDAQ	AVT	Tue, Nov 21, 2000	19.50	19.66	18.56	18.88
2143	NASDAQ	AVT	Mon, Nov 20, 2000	26.75	26.75	22.06	22.69
2142	NASDAQ	AVT	Fri, Nov 17, 2000	27.00	27.63	26.88	27.44
2141	NASDAQ	AVT	Thu, Nov 16, 2000	27.25	27.38	26.88	27.00
2140	NASDAQ	AVT	Wed, Nov 15, 2000	27.56	28.06	27.38	27.50
2139	NASDAQ	AVT	Tue, Nov 14, 2000	27.19	27.94	27.06	27.44
2138	NASDAQ	AVT	Mon, Nov 13, 2000	26.44	27.25	25.31	27.06
2137	NASDAQ	AVT	Fri, Nov 10, 2000	27.13	27.38	26.50	26.69
2136	NASDAQ	AVT	Thu, Nov 9, 2000	27.31	27.75	26.31	26.75
2135	NASDAQ	AVT	Wed, Nov 8, 2000	28.69	28.69	27.25	27.50
2134	NASDAQ	AVT	Tue, Nov 7, 2000	28.25	28.69	27.25	28.63
2133	NASDAQ	AVT	Mon, Nov 6, 2000	27.13	28.81	26.75	28.56
2132	NASDAQ	AVT	Fri, Nov 3, 2000	27.00	27.19	26.69	26.88
2131	NASDAQ	AVT	Thu, Nov 2, 2000	26.63	27.06	26.31	26.63
2130	NASDAQ	AVT	Wed, Nov 1, 2000	26.38	27.00	25.88	26.25
2129	NASDAQ	AVT	Tue, Oct 31, 2000	26.63	27.13	26.25	26.88
2128	NASDAQ	AVT	Mon, Oct 30, 2000	26.88	26.88	25.44	26.63
2127	NASDAQ	AVT	Fri, Oct 27, 2000	27.38	27.50	26.25	26.56
2126	NASDAQ	AVT	Thu, Oct 26, 2000	25.44	26.50	25.38	26.44
2125	NASDAQ	AVT	Wed, Oct 25, 2000	26.94	27.00	24.69	25.19
2124	NASDAQ	AVT	Tue, Oct 24, 2000	27.94	27.94	26.69	26.94
2123	NASDAQ	AVT	Mon, Oct 23, 2000	27.56	28.44	27.56	27.94
2122	NASDAQ	AVT	Fri, Oct 20, 2000	26.13	27.50	25.69	27.44
2121	NASDAQ	AVT	Thu, Oct 19, 2000	25.00	26.63	24.75	26.63
2120	NASDAQ	AVT	Wed, Oct 18, 2000	24.44	25.50	23.81	24.50
2119	NASDAQ	AVT	Tue, Oct 17, 2000	26.81	26.81	24.25	24.88
2118	NASDAQ	AVT	Mon, Oct 16, 2000	27.00	27.44	25.94	27.06
2117	NASDAQ	AVT	Fri, Oct 13, 2000	25.25	27.25	25.25	27.25
2116	NASDAQ	AVT	Thu, Oct 12, 2000	26.00	26.06	24.94	25.00
2115	NASDAQ	AVT	Wed, Oct 11, 2000	25.63	26.13	24.94	25.63
2114	NASDAQ	AVT	Tue, Oct 10, 2000	26.75	27.00	25.31	26.00
2113	NASDAQ	AVT	Mon, Oct 9, 2000	27.69	28.25	27.00	27.50
2112	NASDAQ	AVT	Fri, Oct 6, 2000	28.38	28.63	27.00	27.06
2111	NASDAQ	AVT	Thu, Oct 5, 2000	29.38	29.50	28.13	28.31
2110	NASDAQ	AVT	Wed, Oct 4, 2000	28.50	29.06	27.75	28.13
2109	NASDAQ	AVT	Tue, Oct 3, 2000	28.94	29.13	26.94	27.31
2108	NASDAQ	AVT	Mon, Oct 2, 2000	27.63	30.28	27.63	28.88
2107	NASDAQ	AVT	Fri, Sep 29, 2000	29.50	29.50	27.88	28.38
2106	NASDAQ	AVT	Thu, Sep 28, 2000	29.34	29.75	29.13	29.66
2105	NASDAQ	AVT	Wed, Sep 27, 2000	29.50	29.97	28.84	29.22
2104	NASDAQ	AVT	Tue, Sep 26, 2000	29.97	30.34	29.31	29.44
2103	NASDAQ	AVT	Mon, Sep 25, 2000	30.00	31.09	29.81	29.97
2102	NASDAQ	AVT	Fri, Sep 22, 2000	29.88	29.94	28.91	29.50
2101	NASDAQ	AVT	Thu, Sep 21, 2000	31.50	32.56	30.50	30.66
2100	NASDAQ	AVT	Wed, Sep 20, 2000	31.03	31.13	30.53	30.94
2099	NASDAQ	AVT	Tue, Sep 19, 2000	30.66	30.84	30.09	30.53
2098	NASDAQ	AVT	Mon, Sep 18, 2000	30.88	31.44	30.66	30.66
2097	NASDAQ	AVT	Fri, Sep 15, 2000	31.69	32.00	31.59	31.75
2096	NASDAQ	AVT	Thu, Sep 14, 2000	32.06	32.56	31.72	31.97
2095	NASDAQ	AVT	Wed, Sep 13, 2000	31.75	31.78	30.88	31.38
2094	NASDAQ	AVT	Tue, Sep 12, 2000	32.00	32.38	31.84	31.88
2093	NASDAQ	AVT	Mon, Sep 11, 2000	30.88	32.44	30.88	31.56
2092	NASDAQ	AVT	Fri, Sep 8, 2000	31.34	31.66	31.16	31.47
2091	NASDAQ	AVT	Thu, Sep 7, 2000	29.19	31.41	29.19	31.34
2090	NASDAQ	AVT	Wed, Sep 6, 2000	31.25	32.00	28.56	28.91
2089	NASDAQ	AVT	Tue, Sep 5, 2000	30.53	30.81	30.31	30.72
2088	NASDAQ	AVT	Fri, Sep 1, 2000	30.19	31.09	30.19	30.53
2087	NASDAQ	AVT	Thu, Aug 31, 2000	30.00	31.13	29.94	29.94
2086	NASDAQ	AVT	Wed, Aug 30, 2000	31.59	31.88	30.53	30.63
2085	NASDAQ	AVT	Tue, Aug 29, 2000	29.97	31.50	29.97	31.41
2084	NASDAQ	AVT	Mon, Aug 28, 2000	30.63	31.00	29.91	29.94
2083	NASDAQ	AVT	Fri, Aug 25, 2000	30.09	30.69	30.09	30.66
2082	NASDAQ	AVT	Thu, Aug 24, 2000	29.31	30.22	29.25	30.09
2081	NASDAQ	AVT	Wed, Aug 23, 2000	29.00	29.19	28.84	29.13
2080	NASDAQ	AVT	Tue, Aug 22, 2000	29.31	29.47	28.94	29.13
2079	NASDAQ	AVT	Mon, Aug 21, 2000	29.69	29.81	28.94	29.19
2078	NASDAQ	AVT	Fri, Aug 18, 2000	28.69	29.63	28.69	29.56
2077	NASDAQ	AVT	Thu, Aug 17, 2000	28.56	29.03	28.34	28.81
2076	NASDAQ	AVT	Wed, Aug 16, 2000	26.97	28.75	26.88	28.53
2075	NASDAQ	AVT	Tue, Aug 15, 2000	26.88	27.31	26.66	26.91
2074	NASDAQ	AVT	Mon, Aug 14, 2000	26.69	27.47	26.34	26.94
2073	NASDAQ	AVT	Fri, Aug 11, 2000	26.00	26.69	25.53	26.50
2072	NASDAQ	AVT	Thu, Aug 10, 2000	28.69	28.94	25.63	25.91
2071	NASDAQ	AVT	Wed, Aug 9, 2000	28.69	29.25	27.69	28.09
2070	NASDAQ	AVT	Tue, Aug 8, 2000	30.47	30.69	27.50	28.06
2069	NASDAQ	AVT	Mon, Aug 7, 2000	29.50	30.38	29.16	30.34
2068	NASDAQ	AVT	Fri, Aug 4, 2000	29.88	30.34	28.97	29.06
2067	NASDAQ	AVT	Thu, Aug 3, 2000	28.38	29.44	27.72	29.28
2066	NASDAQ	AVT	Wed, Aug 2, 2000	28.19	29.22	28.03	28.66
2065	NASDAQ	AVT	Tue, Aug 1, 2000	28.47	28.97	28.09	28.53
2064	NASDAQ	AVT	Mon, Jul 31, 2000	28.16	28.47	27.47	28.47
2063	NASDAQ	AVT	Fri, Jul 28, 2000	28.88	29.22	27.13	28.03
2062	NASDAQ	AVT	Thu, Jul 27, 2000	30.47	30.50	29.06	29.19
2061	NASDAQ	AVT	Wed, Jul 26, 2000	31.34	31.34	30.06	30.69
2060	NASDAQ	AVT	Tue, Jul 25, 2000	31.25	31.94	31.25	31.47
2059	NASDAQ	AVT	Mon, Jul 24, 2000	32.06	32.78	30.50	30.97
2058	NASDAQ	AVT	Fri, Jul 21, 2000	33.41	33.41	31.25	31.94
2057	NASDAQ	AVT	Thu, Jul 20, 2000	33.56	34.34	32.78	33.19
2056	NASDAQ	AVT	Wed, Jul 19, 2000	34.56	35.34	32.72	32.84
2055	NASDAQ	AVT	Tue, Jul 18, 2000	35.16	35.31	34.22	34.69
2054	NASDAQ	AVT	Mon, Jul 17, 2000	35.31	35.41	34.69	35.09
2053	NASDAQ	AVT	Fri, Jul 14, 2000	33.88	35.00	33.09	34.84
2052	NASDAQ	AVT	Thu, Jul 13, 2000	33.78	34.22	32.38	32.63
2051	NASDAQ	AVT	Wed, Jul 12, 2000	32.25	32.91	32.25	32.53
2050	NASDAQ	AVT	Tue, Jul 11, 2000	31.75	33.19	31.75	32.13
2049	NASDAQ	AVT	Mon, Jul 10, 2000	30.97	31.75	30.50	31.75
2048	NASDAQ	AVT	Fri, Jul 7, 2000	29.44	31.41	29.41	31.13
2047	NASDAQ	AVT	Thu, Jul 6, 2000	29.19	30.00	28.38	29.81
2046	NASDAQ	AVT	Wed, Jul 5, 2000	30.59	30.59	28.16	28.56
2045	NASDAQ	AVT	Mon, Jul 3, 2000	29.69	30.84	29.69	30.72
2044	NASDAQ	AVT	Fri, Jun 30, 2000	28.44	30.66	28.03	29.62
2043	NASDAQ	AVT	Thu, Jun 29, 2000	30.25	30.25	28.00	28.00
2042	NASDAQ	AVT	Wed, Jun 28, 2000	30.13	31.00	30.00	30.31
2041	NASDAQ	AVT	Tue, Jun 27, 2000	32.22	32.38	29.66	29.84
2040	NASDAQ	AVT	Mon, Jun 26, 2000	33.63	33.94	31.88	32.22
2039	NASDAQ	AVT	Fri, Jun 23, 2000	34.13	34.22	32.41	32.78
2038	NASDAQ	AVT	Thu, Jun 22, 2000	34.50	34.63	34.09	34.19
2037	NASDAQ	AVT	Wed, Jun 21, 2000	35.28	35.28	34.31	34.50
2036	NASDAQ	AVT	Tue, Jun 20, 2000	35.47	35.69	34.81	35.28
2035	NASDAQ	AVT	Mon, Jun 19, 2000	34.25	35.72	34.09	35.47
2034	NASDAQ	AVT	Fri, Jun 16, 2000	34.69	34.88	33.84	34.28
2033	NASDAQ	AVT	Thu, Jun 15, 2000	35.06	35.09	33.25	35.00
2032	NASDAQ	AVT	Wed, Jun 14, 2000	36.75	37.22	34.31	35.19
2031	NASDAQ	AVT	Tue, Jun 13, 2000	35.22	36.53	34.25	36.53
2030	NASDAQ	AVT	Mon, Jun 12, 2000	36.84	37.09	34.75	35.22
2029	NASDAQ	AVT	Fri, Jun 9, 2000	36.59	38.13	36.59	36.84
2028	NASDAQ	AVT	Thu, Jun 8, 2000	36.56	37.53	36.50	36.50
2027	NASDAQ	AVT	Wed, Jun 7, 2000	36.75	36.75	35.78	36.16
2026	NASDAQ	AVT	Tue, Jun 6, 2000	38.09	38.09	36.50	36.56
2025	NASDAQ	AVT	Mon, Jun 5, 2000	38.13	38.91	37.25	37.72
2024	NASDAQ	AVT	Fri, Jun 2, 2000	37.13	39.22	37.06	38.69
2023	NASDAQ	AVT	Thu, Jun 1, 2000	34.97	36.28	34.91	35.81
2022	NASDAQ	AVT	Wed, May 31, 2000	34.97	35.34	34.59	34.59
2021	NASDAQ	AVT	Tue, May 30, 2000	34.25	35.38	34.16	34.88
2020	NASDAQ	AVT	Fri, May 26, 2000	33.44	34.00	32.47	33.94
2019	NASDAQ	AVT	Thu, May 25, 2000	33.69	35.25	33.34	33.50
2018	NASDAQ	AVT	Wed, May 24, 2000	33.94	34.13	30.56	33.81
2017	NASDAQ	AVT	Tue, May 23, 2000	34.94	34.94	34.13	34.13
2016	NASDAQ	AVT	Mon, May 22, 2000	35.38	35.38	33.81	34.81
2015	NASDAQ	AVT	Fri, May 19, 2000	36.41	36.44	34.94	34.94
2014	NASDAQ	AVT	Thu, May 18, 2000	38.00	38.00	36.59	36.72
2013	NASDAQ	AVT	Wed, May 17, 2000	37.88	37.91	36.13	37.63
2012	NASDAQ	AVT	Tue, May 16, 2000	36.88	38.44	36.84	38.38
2011	NASDAQ	AVT	Mon, May 15, 2000	36.50	36.88	35.59	36.53
2010	NASDAQ	AVT	Fri, May 12, 2000	37.00	37.41	36.28	36.41
2009	NASDAQ	AVT	Thu, May 11, 2000	36.94	37.59	36.56	36.72
2008	NASDAQ	AVT	Wed, May 10, 2000	36.38	37.69	35.38	36.94
2007	NASDAQ	AVT	Tue, May 9, 2000	37.31	37.50	35.97	36.41
2006	NASDAQ	AVT	Mon, May 8, 2000	38.03	38.09	37.31	37.34
2005	NASDAQ	AVT	Fri, May 5, 2000	37.47	38.88	37.47	37.78
2004	NASDAQ	AVT	Thu, May 4, 2000	37.50	38.06	36.84	37.47
2003	NASDAQ	AVT	Wed, May 3, 2000	38.88	39.16	35.78	37.03
2002	NASDAQ	AVT	Tue, May 2, 2000	39.22	39.72	39.13	39.16
2001	NASDAQ	AVT	Mon, May 1, 2000	39.31	40.19	39.06	39.22
2000	NASDAQ	AVT	Fri, Apr 28, 2000	39.38	40.56	39.16	39.31
1999	NASDAQ	AVT	Thu, Apr 27, 2000	36.50	38.50	36.38	38.13
1998	NASDAQ	AVT	Wed, Apr 26, 2000	37.06	37.94	37.00	37.09
1997	NASDAQ	AVT	Tue, Apr 25, 2000	36.00	37.31	35.91	36.72
1996	NASDAQ	AVT	Mon, Apr 24, 2000	34.75	35.81	34.66	35.25
1995	NASDAQ	AVT	Thu, Apr 20, 2000	34.72	35.69	34.50	35.06
1994	NASDAQ	AVT	Wed, Apr 19, 2000	35.31	36.00	34.56	34.72
1993	NASDAQ	AVT	Tue, Apr 18, 2000	33.75	36.00	33.66	35.44
1992	NASDAQ	AVT	Mon, Apr 17, 2000	31.44	33.19	30.78	33.19
1991	NASDAQ	AVT	Fri, Apr 14, 2000	34.19	34.38	31.28	31.31
1990	NASDAQ	AVT	Thu, Apr 13, 2000	33.84	35.50	33.66	34.25
1989	NASDAQ	AVT	Wed, Apr 12, 2000	34.00	34.72	33.28	33.47
1988	NASDAQ	AVT	Tue, Apr 11, 2000	33.59	35.50	33.44	34.00
1987	NASDAQ	AVT	Mon, Apr 10, 2000	35.13	35.47	33.38	33.41
1986	NASDAQ	AVT	Fri, Apr 7, 2000	34.75	35.25	34.38	34.66
1985	NASDAQ	AVT	Thu, Apr 6, 2000	33.75	34.75	33.59	34.09
1984	NASDAQ	AVT	Wed, Apr 5, 2000	32.00	34.28	32.00	33.47
1983	NASDAQ	AVT	Tue, Apr 4, 2000	31.25	32.44	28.97	31.50
1982	NASDAQ	AVT	Mon, Apr 3, 2000	31.63	32.13	30.66	30.66
1981	NASDAQ	AVT	Fri, Mar 31, 2000	30.63	33.25	30.63	31.50
1980	NASDAQ	AVT	Thu, Mar 30, 2000	30.94	31.38	29.81	29.97
1979	NASDAQ	AVT	Wed, Mar 29, 2000	32.75	33.25	30.75	30.75
1978	NASDAQ	AVT	Tue, Mar 28, 2000	31.41	32.78	31.41	32.75
1977	NASDAQ	AVT	Mon, Mar 27, 2000	30.97	30.97	29.88	30.47
1976	NASDAQ	AVT	Fri, Mar 24, 2000	30.47	31.25	30.47	30.97
1975	NASDAQ	AVT	Thu, Mar 23, 2000	30.88	31.19	30.25	30.31
1974	NASDAQ	AVT	Wed, Mar 22, 2000	30.56	30.88	30.31	30.75
1973	NASDAQ	AVT	Tue, Mar 21, 2000	30.31	30.59	29.72	30.38
1972	NASDAQ	AVT	Mon, Mar 20, 2000	30.97	31.41	30.22	30.25
1971	NASDAQ	AVT	Fri, Mar 17, 2000	29.72	30.91	29.72	30.84
1970	NASDAQ	AVT	Thu, Mar 16, 2000	28.53	29.84	28.53	29.72
1969	NASDAQ	AVT	Wed, Mar 15, 2000	30.31	30.38	28.41	28.41
1968	NASDAQ	AVT	Tue, Mar 14, 2000	30.44	31.09	29.84	30.09
1967	NASDAQ	AVT	Mon, Mar 13, 2000	31.44	31.44	30.16	30.16
1966	NASDAQ	AVT	Fri, Mar 10, 2000	32.16	32.31	31.28	31.72
1965	NASDAQ	AVT	Thu, Mar 9, 2000	30.78	32.53	30.78	32.28
1964	NASDAQ	AVT	Wed, Mar 8, 2000	30.28	31.13	30.28	30.75
1963	NASDAQ	AVT	Tue, Mar 7, 2000	32.19	32.44	29.44	29.47
1962	NASDAQ	AVT	Mon, Mar 6, 2000	33.25	33.28	31.88	32.31
1961	NASDAQ	AVT	Fri, Mar 3, 2000	32.16	33.00	32.16	32.50
1960	NASDAQ	AVT	Thu, Mar 2, 2000	33.03	33.34	31.72	32.09
1959	NASDAQ	AVT	Wed, Mar 1, 2000	33.56	34.44	31.84	32.72
1958	NASDAQ	AVT	Tue, Feb 29, 2000	33.16	33.88	32.66	33.44
1957	NASDAQ	AVT	Mon, Feb 28, 2000	33.50	33.94	32.84	33.47
1956	NASDAQ	AVT	Fri, Feb 25, 2000	33.50	34.50	32.78	33.50
1955	NASDAQ	AVT	Thu, Feb 24, 2000	30.00	36.75	29.97	35.00
1954	NASDAQ	AVT	Wed, Feb 23, 2000	26.09	27.16	26.09	27.13
1953	NASDAQ	AVT	Tue, Feb 22, 2000	25.75	26.22	25.72	26.06
1952	NASDAQ	AVT	Fri, Feb 18, 2000	25.50	25.81	25.47	25.72
1951	NASDAQ	AVT	Thu, Feb 17, 2000	25.63	25.75	25.50	25.56
1950	NASDAQ	AVT	Wed, Feb 16, 2000	25.97	26.25	25.34	25.44
1949	NASDAQ	AVT	Tue, Feb 15, 2000	26.41	26.59	26.09	26.22
1948	NASDAQ	AVT	Mon, Feb 14, 2000	25.59	26.72	25.50	26.66
1947	NASDAQ	AVT	Fri, Feb 11, 2000	25.88	25.88	25.00	25.03
1946	NASDAQ	AVT	Thu, Feb 10, 2000	25.13	26.22	25.00	25.84
1945	NASDAQ	AVT	Wed, Feb 9, 2000	26.22	26.25	25.44	25.53
1944	NASDAQ	AVT	Tue, Feb 8, 2000	26.31	26.66	26.22	26.22
1943	NASDAQ	AVT	Mon, Feb 7, 2000	27.06	27.06	25.69	26.31
1942	NASDAQ	AVT	Fri, Feb 4, 2000	27.44	27.50	26.94	26.94
1941	NASDAQ	AVT	Thu, Feb 3, 2000	27.75	27.91	27.25	27.75
1940	NASDAQ	AVT	Wed, Feb 2, 2000	26.34	26.88	26.13	26.56
1939	NASDAQ	AVT	Tue, Feb 1, 2000	27.00	27.03	25.19	26.19
1938	NASDAQ	AVT	Mon, Jan 31, 2000	27.25	27.25	26.69	26.84
1937	NASDAQ	AVT	Fri, Jan 28, 2000	28.44	28.63	26.66	26.75
1936	NASDAQ	AVT	Thu, Jan 27, 2000	29.22	29.75	28.38	28.63
1935	NASDAQ	AVT	Wed, Jan 26, 2000	29.00	30.00	28.78	29.13
1934	NASDAQ	AVT	Tue, Jan 25, 2000	29.00	29.31	28.66	28.91
1933	NASDAQ	AVT	Mon, Jan 24, 2000	29.09	29.94	28.91	28.91
1932	NASDAQ	AVT	Fri, Jan 21, 2000	29.28	29.59	28.97	29.03
1931	NASDAQ	AVT	Thu, Jan 20, 2000	29.44	30.28	29.25	29.31
1930	NASDAQ	AVT	Wed, Jan 19, 2000	29.44	29.53	29.25	29.41
1929	NASDAQ	AVT	Tue, Jan 18, 2000	29.28	31.91	28.91	29.94
1928	NASDAQ	AVT	Fri, Jan 14, 2000	28.63	29.44	28.63	29.28
1927	NASDAQ	AVT	Thu, Jan 13, 2000	28.00	28.09	27.88	28.03
1926	NASDAQ	AVT	Wed, Jan 12, 2000	27.44	28.13	27.44	27.88
1925	NASDAQ	AVT	Tue, Jan 11, 2000	27.56	28.16	27.25	27.41
1924	NASDAQ	AVT	Mon, Jan 10, 2000	26.97	27.63	26.97	27.56
1923	NASDAQ	AVT	Fri, Jan 7, 2000	26.66	27.00	26.47	26.97
1922	NASDAQ	AVT	Thu, Jan 6, 2000	26.97	27.16	26.53	26.66
1921	NASDAQ	AVT	Wed, Jan 5, 2000	28.31	28.31	26.13	26.97
1920	NASDAQ	AVT	Tue, Jan 4, 2000	29.38	29.38	27.75	28.25
1919	NASDAQ	AVT	Mon, Jan 3, 2000	30.06	30.09	29.53	29.63
1918	NASDAQ	AVT	Fri, Dec 31, 1999	29.13	30.25	28.94	30.25
1917	NASDAQ	AVT	Thu, Dec 30, 1999	29.16	29.28	29.00	29.13
1916	NASDAQ	AVT	Wed, Dec 29, 1999	29.34	29.84	29.25	29.44
1915	NASDAQ	AVT	Tue, Dec 28, 1999	29.59	30.09	29.28	29.28
1914	NASDAQ	AVT	Mon, Dec 27, 1999	28.56	29.88	28.34	29.72
1913	NASDAQ	AVT	Thu, Dec 23, 1999	28.22	28.59	28.09	28.53
1912	NASDAQ	AVT	Wed, Dec 22, 1999	28.56	28.69	27.94	28.22
1911	NASDAQ	AVT	Tue, Dec 21, 1999	29.16	29.38	28.50	28.50
1910	NASDAQ	AVT	Mon, Dec 20, 1999	29.63	29.66	28.91	29.16
1909	NASDAQ	AVT	Fri, Dec 17, 1999	29.09	29.69	29.06	29.50
1908	NASDAQ	AVT	Thu, Dec 16, 1999	28.44	29.19	28.44	29.06
1907	NASDAQ	AVT	Wed, Dec 15, 1999	28.03	28.50	28.03	28.44
1906	NASDAQ	AVT	Tue, Dec 14, 1999	28.25	28.44	27.88	28.00
1905	NASDAQ	AVT	Mon, Dec 13, 1999	28.06	28.50	27.72	27.95
1904	NASDAQ	AVT	Fri, Dec 10, 1999	27.94	28.16	27.59	28.03
1903	NASDAQ	AVT	Thu, Dec 9, 1999	28.50	28.50	27.91	27.94
1902	NASDAQ	AVT	Wed, Dec 8, 1999	28.69	28.69	28.36	28.50
1901	NASDAQ	AVT	Tue, Dec 7, 1999	29.00	29.00	28.38	28.78
1900	NASDAQ	AVT	Mon, Dec 6, 1999	28.91	29.31	28.75	29.09
1899	NASDAQ	AVT	Fri, Dec 3, 1999	28.38	28.91	28.31	28.91
1898	NASDAQ	AVT	Thu, Dec 2, 1999	27.53	28.00	27.44	27.71
1897	NASDAQ	AVT	Wed, Dec 1, 1999	27.63	27.72	27.44	27.63
1896	NASDAQ	AVT	Tue, Nov 30, 1999	27.44	27.56	27.31	27.47
1895	NASDAQ	AVT	Mon, Nov 29, 1999	28.00	28.06	27.63	27.81
1894	NASDAQ	AVT	Fri, Nov 26, 1999	27.19	28.31	27.06	28.31
1893	NASDAQ	AVT	Wed, Nov 24, 1999	27.19	27.38	26.97	27.31
1892	NASDAQ	AVT	Tue, Nov 23, 1999	27.38	27.50	26.63	27.16
1891	NASDAQ	AVT	Mon, Nov 22, 1999	27.91	27.97	27.28	27.38
1890	NASDAQ	AVT	Fri, Nov 19, 1999	28.19	28.22	27.63	27.84
1889	NASDAQ	AVT	Thu, Nov 18, 1999	28.06	28.41	28.06	28.31
1888	NASDAQ	AVT	Wed, Nov 17, 1999	27.94	29.34	27.84	28.31
1887	NASDAQ	AVT	Tue, Nov 16, 1999	28.03	28.28	27.91	27.91
1886	NASDAQ	AVT	Mon, Nov 15, 1999	28.13	28.22	27.91	28.06
1885	NASDAQ	AVT	Fri, Nov 12, 1999	28.16	28.47	27.53	28.16
1884	NASDAQ	AVT	Thu, Nov 11, 1999	27.75	28.25	27.75	27.94
1883	NASDAQ	AVT	Wed, Nov 10, 1999	26.78	28.31	26.78	27.78
1882	NASDAQ	AVT	Tue, Nov 9, 1999	27.31	27.38	26.81	27.09
1881	NASDAQ	AVT	Mon, Nov 8, 1999	26.69	27.56	26.69	27.19
1880	NASDAQ	AVT	Fri, Nov 5, 1999	26.91	27.34	26.53	26.69
1879	NASDAQ	AVT	Thu, Nov 4, 1999	26.84	27.03	26.50	26.91
1878	NASDAQ	AVT	Wed, Nov 3, 1999	26.56	27.13	26.56	26.84
1877	NASDAQ	AVT	Tue, Nov 2, 1999	27.06	27.06	26.44	26.56
1876	NASDAQ	AVT	Mon, Nov 1, 1999	27.16	27.59	26.91	27.00
1875	NASDAQ	AVT	Fri, Oct 29, 1999	26.31	27.72	26.28	27.28
1874	NASDAQ	AVT	Thu, Oct 28, 1999	24.94	25.47	24.81	25.41
1873	NASDAQ	AVT	Wed, Oct 27, 1999	23.50	24.34	23.31	23.66
1872	NASDAQ	AVT	Tue, Oct 26, 1999	23.41	24.31	23.41	24.19
1871	NASDAQ	AVT	Mon, Oct 25, 1999	22.28	23.56	22.19	23.53
1870	NASDAQ	AVT	Fri, Oct 22, 1999	22.50	22.72	22.06	22.28
1869	NASDAQ	AVT	Thu, Oct 21, 1999	21.47	22.13	20.75	21.81
1868	NASDAQ	AVT	Wed, Oct 20, 1999	19.41	21.66	19.13	21.44
1867	NASDAQ	AVT	Tue, Oct 19, 1999	19.63	20.19	19.47	19.47
1866	NASDAQ	AVT	Mon, Oct 18, 1999	19.75	19.75	18.97	19.28
1865	NASDAQ	AVT	Fri, Oct 15, 1999	19.22	19.56	19.03	19.50
1864	NASDAQ	AVT	Thu, Oct 14, 1999	18.75	19.34	18.66	19.31
1863	NASDAQ	AVT	Wed, Oct 13, 1999	19.94	20.13	18.91	19.00
1862	NASDAQ	AVT	Tue, Oct 12, 1999	20.56	20.88	20.03	20.06
1861	NASDAQ	AVT	Mon, Oct 11, 1999	19.66	20.59	19.66	20.56
1860	NASDAQ	AVT	Fri, Oct 8, 1999	20.66	20.69	19.81	19.81
1859	NASDAQ	AVT	Thu, Oct 7, 1999	20.81	20.84	20.56	20.66
1858	NASDAQ	AVT	Wed, Oct 6, 1999	20.47	21.00	20.47	20.84
1857	NASDAQ	AVT	Tue, Oct 5, 1999	21.25	21.25	20.41	20.41
1856	NASDAQ	AVT	Mon, Oct 4, 1999	20.75	21.31	20.75	20.97
1855	NASDAQ	AVT	Fri, Oct 1, 1999	20.88	21.03	20.59	20.75
1854	NASDAQ	AVT	Thu, Sep 30, 1999	20.88	21.06	20.78	21.00
1853	NASDAQ	AVT	Wed, Sep 29, 1999	21.03	21.75	20.78	20.84
1852	NASDAQ	AVT	Tue, Sep 28, 1999	21.56	21.56	20.53	21.03
1851	NASDAQ	AVT	Mon, Sep 27, 1999	21.25	21.84	21.22	21.53
1850	NASDAQ	AVT	Fri, Sep 24, 1999	21.66	21.81	21.06	21.34
1849	NASDAQ	AVT	Thu, Sep 23, 1999	22.63	22.78	21.44	21.66
1848	NASDAQ	AVT	Wed, Sep 22, 1999	22.88	22.88	22.31	22.63
1847	NASDAQ	AVT	Tue, Sep 21, 1999	22.75	23.38	22.66	22.78
1846	NASDAQ	AVT	Mon, Sep 20, 1999	22.88	23.00	22.81	22.81
1845	NASDAQ	AVT	Fri, Sep 17, 1999	22.69	23.13	22.66	22.88
1844	NASDAQ	AVT	Thu, Sep 16, 1999	22.53	22.94	22.53	22.66
1843	NASDAQ	AVT	Wed, Sep 15, 1999	23.22	23.34	22.34	22.50
1842	NASDAQ	AVT	Tue, Sep 14, 1999	21.50	23.44	21.44	23.22
1841	NASDAQ	AVT	Mon, Sep 13, 1999	21.88	21.88	21.44	21.47
1840	NASDAQ	AVT	Fri, Sep 10, 1999	22.00	22.19	21.63	21.94
1839	NASDAQ	AVT	Thu, Sep 9, 1999	21.50	21.97	21.38	21.94
1838	NASDAQ	AVT	Wed, Sep 8, 1999	21.69	21.84	21.50	21.50
1837	NASDAQ	AVT	Tue, Sep 7, 1999	21.94	22.00	21.75	21.91
1836	NASDAQ	AVT	Fri, Sep 3, 1999	22.16	22.34	22.00	22.06
1835	NASDAQ	AVT	Thu, Sep 2, 1999	22.19	22.25	21.84	22.06
1834	NASDAQ	AVT	Wed, Sep 1, 1999	22.25	22.59	22.19	22.47
1833	NASDAQ	AVT	Tue, Aug 31, 1999	22.84	22.84	21.94	22.13
1832	NASDAQ	AVT	Mon, Aug 30, 1999	22.84	22.97	22.63	22.78
1831	NASDAQ	AVT	Fri, Aug 27, 1999	23.22	23.34	22.75	22.75
1830	NASDAQ	AVT	Thu, Aug 26, 1999	23.44	23.53	23.13	23.16
1829	NASDAQ	AVT	Wed, Aug 25, 1999	23.88	23.88	23.34	23.44
1828	NASDAQ	AVT	Tue, Aug 24, 1999	23.66	23.88	23.56	23.75
1827	NASDAQ	AVT	Mon, Aug 23, 1999	23.88	23.97	23.56	23.66
1826	NASDAQ	AVT	Fri, Aug 20, 1999	23.81	23.88	23.66	23.88
1825	NASDAQ	AVT	Thu, Aug 19, 1999	23.81	23.91	23.66	23.69
1824	NASDAQ	AVT	Wed, Aug 18, 1999	24.16	24.25	23.81	23.94
1823	NASDAQ	AVT	Tue, Aug 17, 1999	24.56	24.59	24.16	24.25
1822	NASDAQ	AVT	Mon, Aug 16, 1999	24.97	25.13	24.28	24.47
1821	NASDAQ	AVT	Fri, Aug 13, 1999	24.75	25.03	24.75	24.91
1820	NASDAQ	AVT	Thu, Aug 12, 1999	25.16	25.34	24.59	24.63
1819	NASDAQ	AVT	Wed, Aug 11, 1999	24.13	25.22	24.13	25.22
1818	NASDAQ	AVT	Tue, Aug 10, 1999	24.50	24.53	23.56	24.03
1817	NASDAQ	AVT	Mon, Aug 9, 1999	24.22	24.63	24.22	24.56
1816	NASDAQ	AVT	Fri, Aug 6, 1999	23.81	24.38	23.78	24.31
1815	NASDAQ	AVT	Thu, Aug 5, 1999	24.63	24.78	24.09	24.38
1814	NASDAQ	AVT	Wed, Aug 4, 1999	25.06	25.16	24.44	24.81
1813	NASDAQ	AVT	Tue, Aug 3, 1999	24.94	25.31	24.88	24.94
1812	NASDAQ	AVT	Mon, Aug 2, 1999	24.53	25.13	24.50	24.94
1811	NASDAQ	AVT	Fri, Jul 30, 1999	24.88	25.13	24.28	24.50
1810	NASDAQ	AVT	Thu, Jul 29, 1999	25.63	25.69	24.88	25.03
1809	NASDAQ	AVT	Wed, Jul 28, 1999	25.66	25.75	25.47	25.75
1808	NASDAQ	AVT	Tue, Jul 27, 1999	25.47	26.22	25.47	25.66
1807	NASDAQ	AVT	Mon, Jul 26, 1999	25.34	25.50	25.22	25.44
1806	NASDAQ	AVT	Fri, Jul 23, 1999	25.41	25.47	25.28	25.34
1805	NASDAQ	AVT	Thu, Jul 22, 1999	25.34	25.47	25.28	25.47
1804	NASDAQ	AVT	Wed, Jul 21, 1999	25.19	25.47	25.06	25.41
1803	NASDAQ	AVT	Tue, Jul 20, 1999	25.59	25.59	24.78	25.19
1802	NASDAQ	AVT	Mon, Jul 19, 1999	24.97	25.69	24.97	25.66
1801	NASDAQ	AVT	Fri, Jul 16, 1999	24.66	24.97	24.66	24.97
1800	NASDAQ	AVT	Thu, Jul 15, 1999	25.00	25.00	24.34	24.53
1799	NASDAQ	AVT	Wed, Jul 14, 1999	24.28	24.88	24.28	24.88
1798	NASDAQ	AVT	Tue, Jul 13, 1999	24.50	24.50	24.22	24.25
1797	NASDAQ	AVT	Mon, Jul 12, 1999	24.31	24.59	24.31	24.50
1796	NASDAQ	AVT	Fri, Jul 9, 1999	24.25	24.34	24.06	24.25
1795	NASDAQ	AVT	Thu, Jul 8, 1999	23.88	24.47	23.88	24.25
1794	NASDAQ	AVT	Wed, Jul 7, 1999	23.69	24.00	23.69	24.00
1793	NASDAQ	AVT	Tue, Jul 6, 1999	23.50	23.75	23.22	23.59
1792	NASDAQ	AVT	Fri, Jul 2, 1999	23.66	23.72	23.38	23.53
1791	NASDAQ	AVT	Thu, Jul 1, 1999	23.22	23.63	23.09	23.59
1790	NASDAQ	AVT	Wed, Jun 30, 1999	23.44	23.50	23.13	23.25
1789	NASDAQ	AVT	Tue, Jun 29, 1999	22.72	23.38	22.72	23.31
1788	NASDAQ	AVT	Mon, Jun 28, 1999	23.00	23.28	22.16	22.59
1787	NASDAQ	AVT	Fri, Jun 25, 1999	24.31	24.56	23.88	23.91
1786	NASDAQ	AVT	Thu, Jun 24, 1999	24.66	24.72	24.44	24.50
1785	NASDAQ	AVT	Wed, Jun 23, 1999	24.63	24.81	24.53	24.75
1784	NASDAQ	AVT	Tue, Jun 22, 1999	25.50	25.50	24.56	24.75
1783	NASDAQ	AVT	Mon, Jun 21, 1999	24.28	25.44	24.22	25.44
1782	NASDAQ	AVT	Fri, Jun 18, 1999	23.56	24.25	23.50	24.22
1781	NASDAQ	AVT	Thu, Jun 17, 1999	24.72	24.72	23.78	23.81
1780	NASDAQ	AVT	Wed, Jun 16, 1999	24.69	25.03	24.66	24.84
1779	NASDAQ	AVT	Tue, Jun 15, 1999	23.50	24.75	23.44	24.50
1778	NASDAQ	AVT	Mon, Jun 14, 1999	23.25	23.72	23.22	23.53
1777	NASDAQ	AVT	Fri, Jun 11, 1999	23.25	23.75	23.00	23.16
1776	NASDAQ	AVT	Thu, Jun 10, 1999	22.94	23.44	22.44	23.19
1775	NASDAQ	AVT	Wed, Jun 9, 1999	22.50	23.22	22.50	23.06
1774	NASDAQ	AVT	Tue, Jun 8, 1999	22.63	23.22	22.50	22.53
1773	NASDAQ	AVT	Mon, Jun 7, 1999	22.94	23.25	22.34	22.50
1772	NASDAQ	AVT	Fri, Jun 4, 1999	22.28	22.72	22.28	22.72
1771	NASDAQ	AVT	Thu, Jun 3, 1999	22.66	22.66	22.22	22.31
1770	NASDAQ	AVT	Wed, Jun 2, 1999	21.69	22.66	21.69	22.66
1769	NASDAQ	AVT	Tue, Jun 1, 1999	21.81	21.94	21.72	21.72
1768	NASDAQ	AVT	Fri, May 28, 1999	21.75	21.84	21.50	21.78
1767	NASDAQ	AVT	Thu, May 27, 1999	21.50	21.69	21.44	21.63
1766	NASDAQ	AVT	Wed, May 26, 1999	21.97	22.19	21.53	21.63
1765	NASDAQ	AVT	Tue, May 25, 1999	22.13	22.22	21.78	21.97
1764	NASDAQ	AVT	Mon, May 24, 1999	21.97	22.16	21.69	22.16
1763	NASDAQ	AVT	Fri, May 21, 1999	21.78	22.13	21.78	22.09
1762	NASDAQ	AVT	Thu, May 20, 1999	21.72	22.16	21.72	21.91
1761	NASDAQ	AVT	Wed, May 19, 1999	21.25	21.88	21.16	21.84
1760	NASDAQ	AVT	Tue, May 18, 1999	20.69	21.19	20.66	21.13
1759	NASDAQ	AVT	Mon, May 17, 1999	20.50	20.69	20.31	20.63
1758	NASDAQ	AVT	Fri, May 14, 1999	21.38	21.44	20.38	20.47
1757	NASDAQ	AVT	Thu, May 13, 1999	22.00	22.25	21.59	21.63
1756	NASDAQ	AVT	Wed, May 12, 1999	21.47	22.00	21.38	22.00
1755	NASDAQ	AVT	Tue, May 11, 1999	21.44	21.63	21.25	21.38
1754	NASDAQ	AVT	Mon, May 10, 1999	21.75	21.94	21.47	21.50
1753	NASDAQ	AVT	Fri, May 7, 1999	21.59	21.88	21.59	21.75
1752	NASDAQ	AVT	Thu, May 6, 1999	22.28	22.28	21.31	21.41
1751	NASDAQ	AVT	Wed, May 5, 1999	21.28	22.38	21.09	22.38
1750	NASDAQ	AVT	Tue, May 4, 1999	21.16	21.38	20.97	21.16
1749	NASDAQ	AVT	Mon, May 3, 1999	21.34	21.47	21.00	21.16
1748	NASDAQ	AVT	Fri, Apr 30, 1999	22.28	23.03	21.19	21.22
1747	NASDAQ	AVT	Thu, Apr 29, 1999	20.50	22.63	20.44	22.25
1746	NASDAQ	AVT	Wed, Apr 28, 1999	19.25	19.94	19.19	19.56
1745	NASDAQ	AVT	Tue, Apr 27, 1999	19.44	19.56	18.88	19.19
1744	NASDAQ	AVT	Mon, Apr 26, 1999	19.13	19.47	19.13	19.34
1743	NASDAQ	AVT	Fri, Apr 23, 1999	19.38	19.47	19.00	19.09
1742	NASDAQ	AVT	Thu, Apr 22, 1999	19.03	19.63	19.00	19.41
1741	NASDAQ	AVT	Wed, Apr 21, 1999	18.88	19.25	18.88	19.03
1740	NASDAQ	AVT	Tue, Apr 20, 1999	19.09	19.34	18.88	19.00
1739	NASDAQ	AVT	Mon, Apr 19, 1999	18.47	19.22	18.44	18.97
1738	NASDAQ	AVT	Fri, Apr 16, 1999	18.19	18.56	17.78	18.34
1737	NASDAQ	AVT	Thu, Apr 15, 1999	17.41	18.22	17.28	18.16
1736	NASDAQ	AVT	Wed, Apr 14, 1999	17.16	17.59	17.13	17.28
1735	NASDAQ	AVT	Tue, Apr 13, 1999	17.16	17.63	17.16	17.34
1734	NASDAQ	AVT	Mon, Apr 12, 1999	17.63	17.63	17.22	17.28
1733	NASDAQ	AVT	Fri, Apr 9, 1999	17.63	17.66	17.44	17.56
1732	NASDAQ	AVT	Thu, Apr 8, 1999	17.66	17.69	17.13	17.63
1731	NASDAQ	AVT	Wed, Apr 7, 1999	17.75	17.81	17.44	17.63
1730	NASDAQ	AVT	Tue, Apr 6, 1999	17.78	17.97	17.00	17.63
1729	NASDAQ	AVT	Mon, Apr 5, 1999	18.53	18.53	18.06	18.13
1728	NASDAQ	AVT	Thu, Apr 1, 1999	18.25	18.47	18.19	18.41
1727	NASDAQ	AVT	Wed, Mar 31, 1999	18.50	18.72	18.06	18.38
1726	NASDAQ	AVT	Tue, Mar 30, 1999	18.41	18.72	18.34	18.63
1725	NASDAQ	AVT	Mon, Mar 29, 1999	18.09	18.66	18.09	18.41
1724	NASDAQ	AVT	Fri, Mar 26, 1999	18.03	18.47	17.81	17.97
1723	NASDAQ	AVT	Thu, Mar 25, 1999	18.09	18.56	17.84	17.94
1722	NASDAQ	AVT	Wed, Mar 24, 1999	18.28	18.66	17.88	17.91
1721	NASDAQ	AVT	Tue, Mar 23, 1999	18.75	18.75	18.28	18.28
1720	NASDAQ	AVT	Mon, Mar 22, 1999	18.69	19.06	18.53	18.84
1719	NASDAQ	AVT	Fri, Mar 19, 1999	18.38	19.06	18.38	18.69
1718	NASDAQ	AVT	Thu, Mar 18, 1999	18.63	19.16	18.63	18.88
1717	NASDAQ	AVT	Wed, Mar 17, 1999	18.78	19.06	18.59	18.69
1716	NASDAQ	AVT	Tue, Mar 16, 1999	18.81	19.13	18.50	18.69
1715	NASDAQ	AVT	Mon, Mar 15, 1999	18.84	18.84	18.59	18.69
1714	NASDAQ	AVT	Fri, Mar 12, 1999	19.38	19.44	18.50	18.84
1713	NASDAQ	AVT	Thu, Mar 11, 1999	19.88	19.88	19.31	19.38
1712	NASDAQ	AVT	Wed, Mar 10, 1999	19.91	20.34	19.78	19.84
1711	NASDAQ	AVT	Tue, Mar 9, 1999	20.50	20.50	19.94	19.94
1710	NASDAQ	AVT	Mon, Mar 8, 1999	20.25	20.47	19.88	20.31
1709	NASDAQ	AVT	Fri, Mar 5, 1999	20.47	20.50	19.88	20.13
1708	NASDAQ	AVT	Thu, Mar 4, 1999	20.31	20.81	19.97	20.34
1707	NASDAQ	AVT	Wed, Mar 3, 1999	20.25	20.47	20.19	20.31
1706	NASDAQ	AVT	Tue, Mar 2, 1999	20.94	20.94	20.25	20.28
1705	NASDAQ	AVT	Mon, Mar 1, 1999	20.03	21.31	19.84	20.97
1704	NASDAQ	AVT	Fri, Feb 26, 1999	20.47	20.47	19.56	19.84
1703	NASDAQ	AVT	Thu, Feb 25, 1999	20.78	20.81	20.13	20.34
1702	NASDAQ	AVT	Wed, Feb 24, 1999	21.06	21.25	20.72	20.88
1701	NASDAQ	AVT	Tue, Feb 23, 1999	21.31	21.34	20.81	20.94
1700	NASDAQ	AVT	Mon, Feb 22, 1999	21.25	21.53	21.25	21.38
1699	NASDAQ	AVT	Fri, Feb 19, 1999	20.50	21.25	20.47	21.25
1698	NASDAQ	AVT	Thu, Feb 18, 1999	21.03	21.03	20.28	20.38
1697	NASDAQ	AVT	Wed, Feb 17, 1999	21.06	22.19	20.84	20.94
1696	NASDAQ	AVT	Tue, Feb 16, 1999	20.00	20.69	20.00	20.69
1695	NASDAQ	AVT	Fri, Feb 12, 1999	21.00	21.00	20.13	20.19
1694	NASDAQ	AVT	Thu, Feb 11, 1999	20.19	21.16	20.19	21.00
1693	NASDAQ	AVT	Wed, Feb 10, 1999	19.13	20.19	19.03	20.19
1692	NASDAQ	AVT	Tue, Feb 9, 1999	19.13	19.47	19.13	19.19
1691	NASDAQ	AVT	Mon, Feb 8, 1999	19.25	19.56	19.03	19.09
1690	NASDAQ	AVT	Fri, Feb 5, 1999	19.38	19.47	18.53	19.00
1689	NASDAQ	AVT	Thu, Feb 4, 1999	20.09	20.09	19.50	19.50
1688	NASDAQ	AVT	Wed, Feb 3, 1999	20.63	20.63	19.91	20.09
1687	NASDAQ	AVT	Tue, Feb 2, 1999	21.78	21.78	19.34	20.47
1686	NASDAQ	AVT	Mon, Feb 1, 1999	22.34	22.38	21.81	22.06
1685	NASDAQ	AVT	Fri, Jan 29, 1999	22.41	22.63	22.31	22.47
1684	NASDAQ	AVT	Thu, Jan 28, 1999	22.13	22.63	22.13	22.41
1683	NASDAQ	AVT	Wed, Jan 27, 1999	22.72	22.81	22.09	22.13
1682	NASDAQ	AVT	Tue, Jan 26, 1999	22.09	22.91	22.09	22.78
1681	NASDAQ	AVT	Mon, Jan 25, 1999	22.34	22.50	21.91	22.09
1680	NASDAQ	AVT	Fri, Jan 22, 1999	22.69	22.72	22.31	22.47
1679	NASDAQ	AVT	Thu, Jan 21, 1999	23.16	23.16	22.38	22.75
1678	NASDAQ	AVT	Wed, Jan 20, 1999	23.13	23.97	23.09	23.16
1677	NASDAQ	AVT	Tue, Jan 19, 1999	23.25	23.31	22.34	23.00
1676	NASDAQ	AVT	Fri, Jan 15, 1999	22.97	23.44	22.97	23.13
1675	NASDAQ	AVT	Thu, Jan 14, 1999	23.66	23.66	22.75	22.84
1674	NASDAQ	AVT	Wed, Jan 13, 1999	22.13	24.16	21.94	23.91
1673	NASDAQ	AVT	Tue, Jan 12, 1999	23.59	23.59	22.34	22.38
1672	NASDAQ	AVT	Mon, Jan 11, 1999	23.47	23.91	23.38	23.50
1671	NASDAQ	AVT	Fri, Jan 8, 1999	24.88	24.88	23.16	23.22
1670	NASDAQ	AVT	Thu, Jan 7, 1999	26.00	26.13	24.06	24.50
1669	NASDAQ	AVT	Wed, Jan 6, 1999	29.78	30.47	29.78	29.97
1668	NASDAQ	AVT	Tue, Jan 5, 1999	29.03	29.78	29.03	29.66
1667	NASDAQ	AVT	Mon, Jan 4, 1999	29.81	29.81	28.97	29.03
1666	NASDAQ	AVT	Thu, Dec 31, 1998	28.75	30.25	28.69	30.25
1665	NASDAQ	AVT	Wed, Dec 30, 1998	27.97	28.94	27.97	28.81
1664	NASDAQ	AVT	Tue, Dec 29, 1998	27.81	28.28	27.81	28.00
1663	NASDAQ	AVT	Mon, Dec 28, 1998	27.72	27.94	27.72	27.81
1662	NASDAQ	AVT	Thu, Dec 24, 1998	27.31	27.66	27.31	27.59
1661	NASDAQ	AVT	Wed, Dec 23, 1998	27.78	27.78	27.22	27.38
1660	NASDAQ	AVT	Tue, Dec 22, 1998	28.13	28.53	27.78	27.78
1659	NASDAQ	AVT	Mon, Dec 21, 1998	27.63	28.03	27.56	28.00
1658	NASDAQ	AVT	Fri, Dec 18, 1998	26.00	27.94	26.00	27.63
1657	NASDAQ	AVT	Thu, Dec 17, 1998	25.53	26.66	25.53	26.53
1656	NASDAQ	AVT	Wed, Dec 16, 1998	26.16	26.16	25.59	25.66
1655	NASDAQ	AVT	Tue, Dec 15, 1998	25.66	26.88	25.66	26.16
1654	NASDAQ	AVT	Mon, Dec 14, 1998	26.53	26.56	25.50	25.66
1653	NASDAQ	AVT	Fri, Dec 11, 1998	26.50	26.88	26.31	26.53
1652	NASDAQ	AVT	Thu, Dec 10, 1998	27.28	27.31	26.50	26.53
1651	NASDAQ	AVT	Wed, Dec 9, 1998	27.25	27.44	27.22	27.41
1650	NASDAQ	AVT	Tue, Dec 8, 1998	27.28	28.00	27.28	27.34
1649	NASDAQ	AVT	Mon, Dec 7, 1998	27.63	27.63	27.16	27.22
1648	NASDAQ	AVT	Fri, Dec 4, 1998	27.03	27.66	27.03	27.53
1647	NASDAQ	AVT	Thu, Dec 3, 1998	27.00	27.84	26.78	26.81
1646	NASDAQ	AVT	Wed, Dec 2, 1998	29.13	29.16	26.78	27.00
1645	NASDAQ	AVT	Tue, Dec 1, 1998	29.03	29.47	29.03	29.16
1644	NASDAQ	AVT	Mon, Nov 30, 1998	29.38	29.41	29.03	29.09
1643	NASDAQ	AVT	Fri, Nov 27, 1998	29.31	29.50	29.19	29.44
1642	NASDAQ	AVT	Wed, Nov 25, 1998	29.13	29.34	28.66	29.34
1641	NASDAQ	AVT	Tue, Nov 24, 1998	29.47	29.53	29.22	29.22
1640	NASDAQ	AVT	Mon, Nov 23, 1998	29.28	29.72	29.28	29.53
1639	NASDAQ	AVT	Fri, Nov 20, 1998	29.63	29.69	29.28	29.34
1638	NASDAQ	AVT	Thu, Nov 19, 1998	29.22	29.44	29.19	29.41
1637	NASDAQ	AVT	Wed, Nov 18, 1998	29.34	29.38	29.13	29.19
1636	NASDAQ	AVT	Tue, Nov 17, 1998	29.22	29.34	29.00	29.34
1635	NASDAQ	AVT	Mon, Nov 16, 1998	29.78	29.97	29.22	29.34
1634	NASDAQ	AVT	Fri, Nov 13, 1998	29.88	30.19	29.69	29.72
1633	NASDAQ	AVT	Thu, Nov 12, 1998	29.59	29.88	29.34	29.88
1632	NASDAQ	AVT	Wed, Nov 11, 1998	30.19	30.31	29.53	29.56
1631	NASDAQ	AVT	Tue, Nov 10, 1998	28.81	29.50	28.81	29.38
1630	NASDAQ	AVT	Mon, Nov 9, 1998	29.03	29.03	28.81	28.88
1629	NASDAQ	AVT	Fri, Nov 6, 1998	28.78	29.19	28.78	29.09
1628	NASDAQ	AVT	Thu, Nov 5, 1998	28.53	29.22	28.53	28.91
1627	NASDAQ	AVT	Wed, Nov 4, 1998	27.75	28.53	27.75	28.53
1626	NASDAQ	AVT	Tue, Nov 3, 1998	26.25	27.63	26.25	27.13
1625	NASDAQ	AVT	Mon, Nov 2, 1998	25.00	26.25	25.00	26.25
1624	NASDAQ	AVT	Fri, Oct 30, 1998	24.53	24.88	24.53	24.88
1623	NASDAQ	AVT	Thu, Oct 29, 1998	24.00	24.63	24.00	24.56
1622	NASDAQ	AVT	Wed, Oct 28, 1998	23.38	24.47	23.34	24.00
1621	NASDAQ	AVT	Tue, Oct 27, 1998	23.38	23.84	23.16	23.25
1620	NASDAQ	AVT	Mon, Oct 26, 1998	22.56	23.09	22.47	23.00
1619	NASDAQ	AVT	Fri, Oct 23, 1998	22.72	23.19	22.56	22.69
1618	NASDAQ	AVT	Thu, Oct 22, 1998	22.56	22.91	22.50	22.78
1617	NASDAQ	AVT	Wed, Oct 21, 1998	21.66	22.72	21.66	22.56
1616	NASDAQ	AVT	Tue, Oct 20, 1998	21.00	21.53	21.00	21.53
1615	NASDAQ	AVT	Mon, Oct 19, 1998	20.00	20.84	20.00	20.75
1614	NASDAQ	AVT	Fri, Oct 16, 1998	19.06	20.19	18.94	19.66
1613	NASDAQ	AVT	Thu, Oct 15, 1998	18.47	18.91	18.38	18.91
1612	NASDAQ	AVT	Wed, Oct 14, 1998	18.00	18.59	17.69	18.38
1611	NASDAQ	AVT	Tue, Oct 13, 1998	18.31	18.47	18.00	18.00
1610	NASDAQ	AVT	Mon, Oct 12, 1998	18.28	18.75	18.09	18.13
1609	NASDAQ	AVT	Fri, Oct 9, 1998	17.97	18.28	17.88	18.19
1608	NASDAQ	AVT	Thu, Oct 8, 1998	17.56	18.03	17.56	17.94
1607	NASDAQ	AVT	Wed, Oct 7, 1998	17.75	17.94	17.59	17.66
1606	NASDAQ	AVT	Tue, Oct 6, 1998	17.59	18.06	17.59	17.78
1605	NASDAQ	AVT	Mon, Oct 5, 1998	18.50	18.50	17.47	17.47
1604	NASDAQ	AVT	Fri, Oct 2, 1998	18.44	18.53	18.25	18.47
1603	NASDAQ	AVT	Thu, Oct 1, 1998	18.31	18.50	18.13	18.38
1602	NASDAQ	AVT	Wed, Sep 30, 1998	18.44	18.44	18.13	18.41
1601	NASDAQ	AVT	Tue, Sep 29, 1998	17.97	18.50	17.97	18.44
1600	NASDAQ	AVT	Mon, Sep 28, 1998	18.13	18.19	17.84	17.97
1599	NASDAQ	AVT	Fri, Sep 25, 1998	18.00	18.06	17.63	18.06
1598	NASDAQ	AVT	Thu, Sep 24, 1998	18.50	18.59	18.00	18.00
1597	NASDAQ	AVT	Wed, Sep 23, 1998	18.38	18.50	18.28	18.44
1596	NASDAQ	AVT	Tue, Sep 22, 1998	18.94	18.94	17.97	18.25
1595	NASDAQ	AVT	Mon, Sep 21, 1998	19.13	19.13	18.19	18.94
1594	NASDAQ	AVT	Fri, Sep 18, 1998	19.81	19.84	19.16	19.16
1593	NASDAQ	AVT	Thu, Sep 17, 1998	19.94	19.97	19.69	19.84
1592	NASDAQ	AVT	Wed, Sep 16, 1998	20.13	20.31	19.94	20.06
1591	NASDAQ	AVT	Tue, Sep 15, 1998	20.59	20.66	20.13	20.25
1590	NASDAQ	AVT	Mon, Sep 14, 1998	21.38	21.38	20.69	20.72
1589	NASDAQ	AVT	Fri, Sep 11, 1998	23.06	23.06	20.84	21.25
1588	NASDAQ	AVT	Thu, Sep 10, 1998	23.31	23.31	22.88	23.06
1587	NASDAQ	AVT	Wed, Sep 9, 1998	23.72	23.72	23.34	23.44
1586	NASDAQ	AVT	Tue, Sep 8, 1998	23.25	23.81	23.25	23.81
1585	NASDAQ	AVT	Fri, Sep 4, 1998	23.63	23.63	22.94	23.06
1584	NASDAQ	AVT	Thu, Sep 3, 1998	23.69	23.75	23.25	23.56
1583	NASDAQ	AVT	Wed, Sep 2, 1998	24.13	24.13	23.50	23.81
1582	NASDAQ	AVT	Tue, Sep 1, 1998	23.69	24.00	23.41	24.00
1581	NASDAQ	AVT	Mon, Aug 31, 1998	24.31	24.53	23.63	23.63
1580	NASDAQ	AVT	Fri, Aug 28, 1998	24.44	24.69	24.09	24.31
1579	NASDAQ	AVT	Thu, Aug 27, 1998	25.25	25.25	24.47	24.47
1578	NASDAQ	AVT	Wed, Aug 26, 1998	25.44	25.50	25.19	25.50
1577	NASDAQ	AVT	Tue, Aug 25, 1998	26.00	26.19	25.41	25.69
1576	NASDAQ	AVT	Mon, Aug 24, 1998	25.91	26.22	25.78	26.00
1575	NASDAQ	AVT	Fri, Aug 21, 1998	25.75	25.91	25.19	25.88
1574	NASDAQ	AVT	Thu, Aug 20, 1998	26.06	26.06	25.72	25.81
1573	NASDAQ	AVT	Wed, Aug 19, 1998	26.41	26.41	25.97	26.06
1572	NASDAQ	AVT	Tue, Aug 18, 1998	26.25	26.50	26.19	26.44
1571	NASDAQ	AVT	Mon, Aug 17, 1998	26.03	26.34	25.97	26.13
1570	NASDAQ	AVT	Fri, Aug 14, 1998	25.94	26.28	25.91	26.06
1569	NASDAQ	AVT	Thu, Aug 13, 1998	26.63	26.81	25.94	25.94
1568	NASDAQ	AVT	Wed, Aug 12, 1998	26.38	27.09	26.38	26.69
1567	NASDAQ	AVT	Tue, Aug 11, 1998	26.25	26.53	25.91	26.19
1566	NASDAQ	AVT	Mon, Aug 10, 1998	27.09	27.09	26.59	26.69
1565	NASDAQ	AVT	Fri, Aug 7, 1998	27.03	27.78	26.88	27.28
1564	NASDAQ	AVT	Thu, Aug 6, 1998	26.03	27.25	26.03	27.13
1563	NASDAQ	AVT	Wed, Aug 5, 1998	26.06	26.53	26.00	26.16
1562	NASDAQ	AVT	Tue, Aug 4, 1998	27.00	27.03	26.06	26.06
1561	NASDAQ	AVT	Mon, Aug 3, 1998	27.41	27.41	26.66	27.00
1560	NASDAQ	AVT	Fri, Jul 31, 1998	27.75	27.81	27.41	27.44
1559	NASDAQ	AVT	Thu, Jul 30, 1998	26.34	26.94	26.34	26.94
1558	NASDAQ	AVT	Wed, Jul 29, 1998	26.53	26.72	26.22	26.47
1557	NASDAQ	AVT	Tue, Jul 28, 1998	26.44	26.78	26.28	26.66
1556	NASDAQ	AVT	Mon, Jul 27, 1998	26.84	26.84	25.91	26.44
1555	NASDAQ	AVT	Fri, Jul 24, 1998	27.06	27.47	26.63	26.91
1554	NASDAQ	AVT	Thu, Jul 23, 1998	27.31	27.50	27.06	27.06
1553	NASDAQ	AVT	Wed, Jul 22, 1998	28.47	28.47	27.34	27.34
1552	NASDAQ	AVT	Tue, Jul 21, 1998	28.56	28.94	28.53	28.56
1551	NASDAQ	AVT	Mon, Jul 20, 1998	28.53	28.81	28.38	28.38
1550	NASDAQ	AVT	Fri, Jul 17, 1998	28.97	28.97	28.50	28.63
1549	NASDAQ	AVT	Thu, Jul 16, 1998	28.94	29.25	28.63	29.03
1548	NASDAQ	AVT	Wed, Jul 15, 1998	27.63	29.16	27.63	28.69
1547	NASDAQ	AVT	Tue, Jul 14, 1998	27.41	27.63	27.22	27.63
1546	NASDAQ	AVT	Mon, Jul 13, 1998	27.53	27.63	27.38	27.41
1545	NASDAQ	AVT	Fri, Jul 10, 1998	27.72	27.81	27.44	27.59
1544	NASDAQ	AVT	Thu, Jul 9, 1998	27.91	27.91	27.28	27.72
1543	NASDAQ	AVT	Wed, Jul 8, 1998	27.94	28.22	27.84	27.88
1542	NASDAQ	AVT	Tue, Jul 7, 1998	27.56	28.09	27.56	27.81
1541	NASDAQ	AVT	Mon, Jul 6, 1998	27.53	27.94	27.53	27.66
1540	NASDAQ	AVT	Thu, Jul 2, 1998	27.63	27.69	27.50	27.50
1539	NASDAQ	AVT	Wed, Jul 1, 1998	27.34	27.88	27.34	27.50
1538	NASDAQ	AVT	Tue, Jun 30, 1998	27.53	27.66	27.34	27.34
1537	NASDAQ	AVT	Mon, Jun 29, 1998	27.31	27.78	27.28	27.53
1536	NASDAQ	AVT	Fri, Jun 26, 1998	27.66	27.69	27.19	27.31
1535	NASDAQ	AVT	Thu, Jun 25, 1998	28.22	28.38	27.25	27.59
1534	NASDAQ	AVT	Wed, Jun 24, 1998	28.25	28.53	27.97	28.09
1533	NASDAQ	AVT	Tue, Jun 23, 1998	27.75	28.41	27.75	28.19
1532	NASDAQ	AVT	Mon, Jun 22, 1998	27.16	28.13	27.16	27.75
1531	NASDAQ	AVT	Fri, Jun 19, 1998	27.31	27.38	27.13	27.19
1530	NASDAQ	AVT	Thu, Jun 18, 1998	27.75	27.75	27.41	27.41
1529	NASDAQ	AVT	Wed, Jun 17, 1998	27.69	27.88	27.44	27.88
1528	NASDAQ	AVT	Tue, Jun 16, 1998	27.44	28.03	27.44	27.91
1527	NASDAQ	AVT	Mon, Jun 15, 1998	27.91	28.03	27.50	27.50
1526	NASDAQ	AVT	Fri, Jun 12, 1998	28.56	28.56	26.84	27.84
1525	NASDAQ	AVT	Thu, Jun 11, 1998	28.66	28.81	28.28	28.56
1524	NASDAQ	AVT	Wed, Jun 10, 1998	29.00	29.25	28.53	28.78
1523	NASDAQ	AVT	Tue, Jun 9, 1998	28.59	29.25	28.59	29.03
1522	NASDAQ	AVT	Mon, Jun 8, 1998	28.59	28.78	28.09	28.56
1521	NASDAQ	AVT	Fri, Jun 5, 1998	28.72	28.97	28.63	28.69
1520	NASDAQ	AVT	Thu, Jun 4, 1998	28.41	28.97	28.41	28.78
1519	NASDAQ	AVT	Wed, Jun 3, 1998	29.19	29.22	28.31	28.34
1518	NASDAQ	AVT	Tue, Jun 2, 1998	29.19	29.38	28.78	29.22
1517	NASDAQ	AVT	Mon, Jun 1, 1998	29.53	29.72	29.22	29.25
1516	NASDAQ	AVT	Fri, May 29, 1998	29.72	30.13	29.34	29.56
1515	NASDAQ	AVT	Thu, May 28, 1998	29.31	29.91	29.28	29.81
1514	NASDAQ	AVT	Wed, May 27, 1998	29.06	29.50	28.88	29.44
1513	NASDAQ	AVT	Tue, May 26, 1998	30.31	30.47	29.13	29.38
1512	NASDAQ	AVT	Fri, May 22, 1998	30.31	30.47	30.03	30.19
1511	NASDAQ	AVT	Thu, May 21, 1998	30.53	30.53	30.19	30.31
1510	NASDAQ	AVT	Wed, May 20, 1998	30.81	30.81	30.41	30.50
1509	NASDAQ	AVT	Tue, May 19, 1998	30.53	30.78	30.53	30.78
1508	NASDAQ	AVT	Mon, May 18, 1998	30.25	30.84	30.25	30.84
1507	NASDAQ	AVT	Fri, May 15, 1998	31.22	31.38	29.84	30.25
1506	NASDAQ	AVT	Thu, May 14, 1998	31.50	31.53	31.28	31.28
1505	NASDAQ	AVT	Wed, May 13, 1998	31.41	31.63	31.41	31.63
1504	NASDAQ	AVT	Tue, May 12, 1998	31.28	31.84	31.03	31.34
1503	NASDAQ	AVT	Mon, May 11, 1998	32.00	32.00	31.28	31.28
1502	NASDAQ	AVT	Fri, May 8, 1998	31.38	32.16	31.38	32.13
1501	NASDAQ	AVT	Thu, May 7, 1998	31.56	31.63	31.28	31.34
1500	NASDAQ	AVT	Wed, May 6, 1998	31.56	31.75	31.25	31.66
1499	NASDAQ	AVT	Tue, May 5, 1998	31.44	31.97	31.41	31.63
1498	NASDAQ	AVT	Mon, May 4, 1998	31.00	31.81	31.00	31.56
1497	NASDAQ	AVT	Fri, May 1, 1998	30.91	31.16	30.84	31.00
1496	NASDAQ	AVT	Thu, Apr 30, 1998	30.50	31.06	30.50	30.84
1495	NASDAQ	AVT	Wed, Apr 29, 1998	30.09	30.72	30.03	30.50
1494	NASDAQ	AVT	Tue, Apr 28, 1998	30.19	30.50	30.09	30.09
1493	NASDAQ	AVT	Mon, Apr 27, 1998	30.63	30.63	29.94	30.28
1492	NASDAQ	AVT	Fri, Apr 24, 1998	30.00	31.00	30.00	30.63
1491	NASDAQ	AVT	Thu, Apr 23, 1998	30.72	30.72	29.69	29.69
1490	NASDAQ	AVT	Wed, Apr 22, 1998	30.19	30.91	30.16	30.72
1489	NASDAQ	AVT	Tue, Apr 21, 1998	30.53	30.53	30.00	30.25
1488	NASDAQ	AVT	Mon, Apr 20, 1998	30.13	30.72	30.09	30.63
1487	NASDAQ	AVT	Fri, Apr 17, 1998	29.66	30.34	29.53	30.19
1486	NASDAQ	AVT	Thu, Apr 16, 1998	29.84	29.84	29.53	29.63
1485	NASDAQ	AVT	Wed, Apr 15, 1998	29.44	29.97	29.44	29.97
1484	NASDAQ	AVT	Tue, Apr 14, 1998	28.94	29.59	28.78	29.44
1483	NASDAQ	AVT	Mon, Apr 13, 1998	28.88	29.06	28.84	28.94
1482	NASDAQ	AVT	Thu, Apr 9, 1998	28.75	29.13	28.66	29.00
1481	NASDAQ	AVT	Wed, Apr 8, 1998	28.63	28.97	28.47	28.81
1480	NASDAQ	AVT	Tue, Apr 7, 1998	28.38	28.47	27.81	28.41
1479	NASDAQ	AVT	Mon, Apr 6, 1998	29.00	29.25	28.41	28.56
1478	NASDAQ	AVT	Fri, Apr 3, 1998	29.56	29.63	29.06	29.25
1477	NASDAQ	AVT	Thu, Apr 2, 1998	29.38	29.75	29.13	29.44
1476	NASDAQ	AVT	Wed, Apr 1, 1998	28.78	29.47	28.53	29.25
1475	NASDAQ	AVT	Tue, Mar 31, 1998	28.50	28.91	28.50	28.78
1474	NASDAQ	AVT	Mon, Mar 30, 1998	29.00	29.03	28.50	28.59
1473	NASDAQ	AVT	Fri, Mar 27, 1998	29.00	29.41	28.91	29.00
1472	NASDAQ	AVT	Thu, Mar 26, 1998	29.09	29.09	28.50	28.94
1471	NASDAQ	AVT	Wed, Mar 25, 1998	30.22	30.22	28.94	28.97
1470	NASDAQ	AVT	Tue, Mar 24, 1998	30.25	30.34	30.06	30.09
1469	NASDAQ	AVT	Mon, Mar 23, 1998	30.63	30.63	30.09	30.28
1468	NASDAQ	AVT	Fri, Mar 20, 1998	31.25	31.31	30.50	30.56
1467	NASDAQ	AVT	Thu, Mar 19, 1998	31.50	31.66	31.19	31.63
1466	NASDAQ	AVT	Wed, Mar 18, 1998	31.88	31.88	31.19	31.50
1465	NASDAQ	AVT	Tue, Mar 17, 1998	32.56	32.72	32.44	32.69
1464	NASDAQ	AVT	Mon, Mar 16, 1998	32.19	32.75	32.19	32.69
1463	NASDAQ	AVT	Fri, Mar 13, 1998	32.72	32.97	32.50	32.59
1462	NASDAQ	AVT	Thu, Mar 12, 1998	32.38	32.66	32.38	32.59
1461	NASDAQ	AVT	Wed, Mar 11, 1998	32.28	32.78	32.25	32.50
1460	NASDAQ	AVT	Tue, Mar 10, 1998	32.16	32.44	32.13	32.41
1459	NASDAQ	AVT	Mon, Mar 9, 1998	32.50	32.63	32.50	32.59
1458	NASDAQ	AVT	Fri, Mar 6, 1998	31.97	33.03	31.97	32.69
1457	NASDAQ	AVT	Thu, Mar 5, 1998	31.88	32.03	31.75	31.97
1456	NASDAQ	AVT	Wed, Mar 4, 1998	31.69	32.22	31.63	32.13
1455	NASDAQ	AVT	Tue, Mar 3, 1998	31.75	31.97	31.75	31.81
1454	NASDAQ	AVT	Mon, Mar 2, 1998	31.88	32.00	31.50	31.78
1453	NASDAQ	AVT	Fri, Feb 27, 1998	31.69	32.13	31.59	31.88
1452	NASDAQ	AVT	Thu, Feb 26, 1998	31.09	31.88	31.03	31.81
1451	NASDAQ	AVT	Wed, Feb 25, 1998	30.13	31.13	30.09	30.97
1450	NASDAQ	AVT	Tue, Feb 24, 1998	30.56	30.75	30.41	30.44
1449	NASDAQ	AVT	Mon, Feb 23, 1998	31.00	31.28	30.63	30.88
1448	NASDAQ	AVT	Fri, Feb 20, 1998	31.41	31.41	30.94	31.03
1447	NASDAQ	AVT	Thu, Feb 19, 1998	31.84	32.09	31.31	31.31
1446	NASDAQ	AVT	Wed, Feb 18, 1998	31.63	32.19	31.63	31.97
1445	NASDAQ	AVT	Tue, Feb 17, 1998	31.81	32.25	31.75	31.75
1444	NASDAQ	AVT	Fri, Feb 13, 1998	32.06	32.06	31.59	31.72
1443	NASDAQ	AVT	Thu, Feb 12, 1998	32.03	32.09	31.66	32.09
1442	NASDAQ	AVT	Wed, Feb 11, 1998	32.22	32.25	31.97	32.09
1441	NASDAQ	AVT	Tue, Feb 10, 1998	31.75	32.38	31.75	32.22
1440	NASDAQ	AVT	Mon, Feb 9, 1998	31.59	31.88	31.56	31.75
1439	NASDAQ	AVT	Fri, Feb 6, 1998	31.59	31.78	31.25	31.72
1438	NASDAQ	AVT	Thu, Feb 5, 1998	31.97	32.19	31.47	31.59
1437	NASDAQ	AVT	Wed, Feb 4, 1998	30.88	31.94	30.69	31.72
1436	NASDAQ	AVT	Tue, Feb 3, 1998	30.88	31.22	30.84	30.94
1435	NASDAQ	AVT	Mon, Feb 2, 1998	30.63	31.56	30.63	31.00
1434	NASDAQ	AVT	Fri, Jan 30, 1998	30.47	30.97	30.47	30.50
1433	NASDAQ	AVT	Thu, Jan 29, 1998	30.88	31.25	30.41	30.47
1432	NASDAQ	AVT	Wed, Jan 28, 1998	30.34	30.78	30.13	30.75
1431	NASDAQ	AVT	Tue, Jan 27, 1998	30.34	30.66	30.34	30.47
1430	NASDAQ	AVT	Mon, Jan 26, 1998	30.56	30.56	29.94	30.34
1429	NASDAQ	AVT	Fri, Jan 23, 1998	30.78	30.88	30.47	30.50
1428	NASDAQ	AVT	Thu, Jan 22, 1998	31.38	31.50	30.63	30.78
1427	NASDAQ	AVT	Wed, Jan 21, 1998	31.94	31.94	31.44	31.56
1426	NASDAQ	AVT	Tue, Jan 20, 1998	31.03	32.13	31.03	32.06
1425	NASDAQ	AVT	Fri, Jan 16, 1998	30.75	31.09	30.72	30.91
1424	NASDAQ	AVT	Thu, Jan 15, 1998	31.09	31.09	30.63	30.63
1423	NASDAQ	AVT	Wed, Jan 14, 1998	31.38	31.47	30.78	31.00
1422	NASDAQ	AVT	Tue, Jan 13, 1998	30.91	31.56	30.81	31.25
1421	NASDAQ	AVT	Mon, Jan 12, 1998	30.44	31.38	30.41	30.94
1420	NASDAQ	AVT	Fri, Jan 9, 1998	32.31	32.34	30.44	30.44
1419	NASDAQ	AVT	Thu, Jan 8, 1998	31.81	32.38	31.81	32.13
1418	NASDAQ	AVT	Wed, Jan 7, 1998	32.13	32.13	31.38	31.94
1417	NASDAQ	AVT	Tue, Jan 6, 1998	32.50	32.50	32.19	32.22
1416	NASDAQ	AVT	Mon, Jan 5, 1998	32.50	32.50	32.13	32.47
1415	NASDAQ	AVT	Fri, Jan 2, 1998	33.13	33.13	32.31	32.47
1414	NASDAQ	AVT	Wed, Dec 31, 1997	32.81	33.00	32.50	33.00
1413	NASDAQ	AVT	Tue, Dec 30, 1997	32.75	32.81	32.50	32.75
1412	NASDAQ	AVT	Mon, Dec 29, 1997	32.63	33.00	32.63	32.72
1411	NASDAQ	AVT	Fri, Dec 26, 1997	32.97	33.00	32.41	32.69
1410	NASDAQ	AVT	Wed, Dec 24, 1997	33.28	33.28	32.91	32.94
1409	NASDAQ	AVT	Tue, Dec 23, 1997	33.50	33.81	33.19	33.19
1408	NASDAQ	AVT	Mon, Dec 22, 1997	33.31	33.84	33.03	33.38
1407	NASDAQ	AVT	Fri, Dec 19, 1997	32.75	33.31	32.59	33.19
1406	NASDAQ	AVT	Thu, Dec 18, 1997	33.44	33.53	32.94	33.13
1405	NASDAQ	AVT	Wed, Dec 17, 1997	34.25	34.25	33.22	33.50
1404	NASDAQ	AVT	Tue, Dec 16, 1997	33.81	34.56	33.81	34.13
1403	NASDAQ	AVT	Mon, Dec 15, 1997	34.25	34.31	33.50	33.75
1402	NASDAQ	AVT	Fri, Dec 12, 1997	34.72	34.75	34.13	34.13
1401	NASDAQ	AVT	Thu, Dec 11, 1997	35.53	35.53	34.44	34.63
1400	NASDAQ	AVT	Wed, Dec 10, 1997	36.41	36.44	35.78	35.97
1399	NASDAQ	AVT	Tue, Dec 9, 1997	37.00	37.00	36.75	36.75
1398	NASDAQ	AVT	Mon, Dec 8, 1997	36.50	37.25	36.50	37.13
1397	NASDAQ	AVT	Fri, Dec 5, 1997	35.16	36.94	35.16	36.56
1396	NASDAQ	AVT	Thu, Dec 4, 1997	35.03	35.38	35.03	35.28
1395	NASDAQ	AVT	Wed, Dec 3, 1997	34.88	35.38	34.88	35.19
1394	NASDAQ	AVT	Tue, Dec 2, 1997	33.81	34.88	33.81	34.84
1393	NASDAQ	AVT	Mon, Dec 1, 1997	33.16	33.88	33.13	33.81
1392	NASDAQ	AVT	Fri, Nov 28, 1997	33.66	33.66	33.13	33.13
1391	NASDAQ	AVT	Wed, Nov 26, 1997	33.41	33.78	33.41	33.66
1390	NASDAQ	AVT	Tue, Nov 25, 1997	33.78	33.81	33.28	33.53
1389	NASDAQ	AVT	Mon, Nov 24, 1997	34.09	34.13	33.69	33.78
1388	NASDAQ	AVT	Fri, Nov 21, 1997	33.59	34.69	33.59	34.22
1387	NASDAQ	AVT	Thu, Nov 20, 1997	32.25	33.63	32.25	33.56
1386	NASDAQ	AVT	Wed, Nov 19, 1997	32.25	32.59	32.22	32.31
1385	NASDAQ	AVT	Tue, Nov 18, 1997	32.91	32.91	32.03	32.13
1384	NASDAQ	AVT	Mon, Nov 17, 1997	32.50	33.22	32.50	33.03
1383	NASDAQ	AVT	Fri, Nov 14, 1997	31.13	32.31	31.13	32.25
1382	NASDAQ	AVT	Thu, Nov 13, 1997	30.47	30.88	30.38	30.72
1381	NASDAQ	AVT	Wed, Nov 12, 1997	31.47	31.50	30.47	30.50
1380	NASDAQ	AVT	Tue, Nov 11, 1997	31.72	31.81	31.53	31.59
1379	NASDAQ	AVT	Mon, Nov 10, 1997	31.94	32.25	31.50	31.59
1378	NASDAQ	AVT	Fri, Nov 7, 1997	32.53	32.53	31.84	31.94
1377	NASDAQ	AVT	Thu, Nov 6, 1997	33.19	33.22	32.50	32.63
1376	NASDAQ	AVT	Wed, Nov 5, 1997	32.56	33.47	32.47	33.25
1375	NASDAQ	AVT	Tue, Nov 4, 1997	32.44	32.81	32.44	32.53
1374	NASDAQ	AVT	Mon, Nov 3, 1997	31.50	32.50	31.50	32.50
1373	NASDAQ	AVT	Fri, Oct 31, 1997	31.03	31.63	31.03	31.47
1372	NASDAQ	AVT	Thu, Oct 30, 1997	31.59	31.75	31.00	31.03
1371	NASDAQ	AVT	Wed, Oct 29, 1997	30.97	32.00	30.97	31.78
1370	NASDAQ	AVT	Tue, Oct 28, 1997	30.09	31.28	29.81	31.03
1369	NASDAQ	AVT	Mon, Oct 27, 1997	30.94	31.00	30.22	30.31
1368	NASDAQ	AVT	Fri, Oct 24, 1997	31.06	31.31	30.44	31.09
1367	NASDAQ	AVT	Thu, Oct 23, 1997	31.28	31.31	30.84	31.06
1366	NASDAQ	AVT	Wed, Oct 22, 1997	31.38	31.78	31.38	31.53
1365	NASDAQ	AVT	Tue, Oct 21, 1997	30.97	31.59	30.97	31.38
1364	NASDAQ	AVT	Mon, Oct 20, 1997	30.28	30.97	30.13	30.97
1363	NASDAQ	AVT	Fri, Oct 17, 1997	31.00	31.13	29.94	30.16
1362	NASDAQ	AVT	Thu, Oct 16, 1997	31.03	31.28	30.91	30.97
1361	NASDAQ	AVT	Wed, Oct 15, 1997	31.06	31.13	30.88	31.09
1360	NASDAQ	AVT	Tue, Oct 14, 1997	31.38	31.69	31.13	31.22
1359	NASDAQ	AVT	Mon, Oct 13, 1997	30.88	31.41	30.88	31.31
1358	NASDAQ	AVT	Fri, Oct 10, 1997	30.44	30.84	30.34	30.81
1357	NASDAQ	AVT	Thu, Oct 9, 1997	30.56	30.63	30.38	30.50
1356	NASDAQ	AVT	Wed, Oct 8, 1997	30.91	30.97	30.50	30.50
1355	NASDAQ	AVT	Tue, Oct 7, 1997	30.47	30.97	30.44	30.91
1354	NASDAQ	AVT	Mon, Oct 6, 1997	30.16	30.41	29.81	30.38
1353	NASDAQ	AVT	Fri, Oct 3, 1997	30.34	30.41	29.75	30.09
1352	NASDAQ	AVT	Thu, Oct 2, 1997	30.47	30.47	30.03	30.16
1351	NASDAQ	AVT	Wed, Oct 1, 1997	31.81	32.22	30.38	30.47
1350	NASDAQ	AVT	Tue, Sep 30, 1997	32.00	32.31	31.72	31.78
1349	NASDAQ	AVT	Mon, Sep 29, 1997	31.38	32.06	31.38	32.00
1348	NASDAQ	AVT	Fri, Sep 26, 1997	31.34	31.66	31.00	31.00
1347	NASDAQ	AVT	Thu, Sep 25, 1997	31.50	31.75	31.31	31.34
1346	NASDAQ	AVT	Wed, Sep 24, 1997	31.78	31.97	31.22	31.25
1345	NASDAQ	AVT	Tue, Sep 23, 1997	32.00	32.06	31.47	31.66
1344	NASDAQ	AVT	Mon, Sep 22, 1997	31.47	32.22	31.31	32.00
1343	NASDAQ	AVT	Fri, Sep 19, 1997	31.00	31.41	30.94	31.41
1342	NASDAQ	AVT	Thu, Sep 18, 1997	31.78	31.84	30.91	31.00
1341	NASDAQ	AVT	Wed, Sep 17, 1997	32.13	32.13	31.28	31.75
1340	NASDAQ	AVT	Tue, Sep 16, 1997	32.13	32.14	31.50	32.00
1339	NASDAQ	AVT	Mon, Sep 15, 1997	32.00	32.19	31.94	32.00
1338	NASDAQ	AVT	Fri, Sep 12, 1997	32.06	32.13	31.50	31.91
1337	NASDAQ	AVT	Thu, Sep 11, 1997	32.25	32.25	31.53	32.19
1336	NASDAQ	AVT	Wed, Sep 10, 1997	32.09	32.31	31.22	32.22
1335	NASDAQ	AVT	Tue, Sep 9, 1997	32.50	32.72	32.03	32.09
1334	NASDAQ	AVT	Mon, Sep 8, 1997	33.50	33.50	33.03	33.03
1333	NASDAQ	AVT	Fri, Sep 5, 1997	33.97	34.00	33.50	33.50
1332	NASDAQ	AVT	Thu, Sep 4, 1997	33.53	34.00	33.53	33.91
1331	NASDAQ	AVT	Wed, Sep 3, 1997	34.69	35.09	34.50	34.50
1330	NASDAQ	AVT	Tue, Sep 2, 1997	34.44	34.97	34.31	34.69
1329	NASDAQ	AVT	Fri, Aug 29, 1997	34.75	34.81	34.56	34.59
1328	NASDAQ	AVT	Thu, Aug 28, 1997	35.00	35.00	34.63	34.75
1327	NASDAQ	AVT	Wed, Aug 27, 1997	35.00	35.19	35.00	35.03
1326	NASDAQ	AVT	Tue, Aug 26, 1997	35.38	35.41	34.97	35.00
1325	NASDAQ	AVT	Mon, Aug 25, 1997	35.06	35.69	35.00	35.50
1324	NASDAQ	AVT	Fri, Aug 22, 1997	35.00	35.16	34.75	35.09
1323	NASDAQ	AVT	Thu, Aug 21, 1997	36.13	36.19	35.59	35.66
1322	NASDAQ	AVT	Wed, Aug 20, 1997	35.47	36.25	35.47	36.13
1321	NASDAQ	AVT	Tue, Aug 19, 1997	35.13	35.47	34.94	35.47
1320	NASDAQ	AVT	Mon, Aug 18, 1997	34.75	35.25	34.72	35.25
1319	NASDAQ	AVT	Fri, Aug 15, 1997	35.03	35.03	34.72	34.75
1318	NASDAQ	AVT	Thu, Aug 14, 1997	34.66	35.06	34.66	34.91
1317	NASDAQ	AVT	Wed, Aug 13, 1997	34.34	34.53	34.00	34.53
1316	NASDAQ	AVT	Tue, Aug 12, 1997	34.53	34.88	34.13	34.22
1315	NASDAQ	AVT	Mon, Aug 11, 1997	34.91	35.00	34.53	34.78
1314	NASDAQ	AVT	Fri, Aug 8, 1997	35.25	35.38	34.75	35.03
1313	NASDAQ	AVT	Thu, Aug 7, 1997	35.19	35.69	35.19	35.50
1312	NASDAQ	AVT	Wed, Aug 6, 1997	35.00	35.19	34.88	35.19
1311	NASDAQ	AVT	Tue, Aug 5, 1997	34.00	35.00	34.00	35.00
1310	NASDAQ	AVT	Mon, Aug 4, 1997	34.25	34.25	33.88	34.16
1309	NASDAQ	AVT	Fri, Aug 1, 1997	33.16	34.16	33.13	34.06
1308	NASDAQ	AVT	Thu, Jul 31, 1997	33.19	33.25	32.66	32.91
1307	NASDAQ	AVT	Wed, Jul 30, 1997	32.75	33.25	32.75	33.22
1306	NASDAQ	AVT	Tue, Jul 29, 1997	32.78	32.88	32.56	32.69
1305	NASDAQ	AVT	Mon, Jul 28, 1997	32.91	32.97	32.88	32.88
1304	NASDAQ	AVT	Fri, Jul 25, 1997	33.09	33.22	33.00	33.03
1303	NASDAQ	AVT	Thu, Jul 24, 1997	33.06	33.16	32.78	33.09
1302	NASDAQ	AVT	Wed, Jul 23, 1997	32.84	33.25	32.69	33.19
1301	NASDAQ	AVT	Tue, Jul 22, 1997	32.19	32.88	32.19	32.78
1300	NASDAQ	AVT	Mon, Jul 21, 1997	32.84	32.84	32.19	32.25
1299	NASDAQ	AVT	Fri, Jul 18, 1997	33.19	33.22	32.66	32.84
1298	NASDAQ	AVT	Thu, Jul 17, 1997	33.25	33.31	33.16	33.25
1297	NASDAQ	AVT	Wed, Jul 16, 1997	33.06	33.31	32.84	33.25
1296	NASDAQ	AVT	Tue, Jul 15, 1997	32.13	33.00	32.06	32.81
1295	NASDAQ	AVT	Mon, Jul 14, 1997	32.03	32.19	31.97	32.00
1294	NASDAQ	AVT	Fri, Jul 11, 1997	31.34	31.97	31.34	31.91
1293	NASDAQ	AVT	Thu, Jul 10, 1997	31.59	31.64	31.31	31.34
1292	NASDAQ	AVT	Wed, Jul 9, 1997	31.31	32.03	31.19	31.72
1291	NASDAQ	AVT	Tue, Jul 8, 1997	30.56	31.25	30.50	31.19
1290	NASDAQ	AVT	Mon, Jul 7, 1997	30.81	30.81	30.56	30.56
1289	NASDAQ	AVT	Thu, Jul 3, 1997	30.13	30.69	30.13	30.56
1288	NASDAQ	AVT	Wed, Jul 2, 1997	29.59	30.00	29.59	30.00
1287	NASDAQ	AVT	Tue, Jul 1, 1997	28.88	29.88	28.88	29.72
1286	NASDAQ	AVT	Mon, Jun 30, 1997	29.94	29.94	28.75	28.75
1285	NASDAQ	AVT	Fri, Jun 27, 1997	30.19	30.25	29.88	29.88
1284	NASDAQ	AVT	Thu, Jun 26, 1997	30.38	30.38	29.81	30.19
1283	NASDAQ	AVT	Wed, Jun 25, 1997	31.06	31.25	30.59	30.66
1282	NASDAQ	AVT	Tue, Jun 24, 1997	30.94	31.44	30.88	31.31
1281	NASDAQ	AVT	Mon, Jun 23, 1997	31.06	31.19	30.88	30.94
1280	NASDAQ	AVT	Fri, Jun 20, 1997	31.00	31.19	31.00	31.06
1279	NASDAQ	AVT	Thu, Jun 19, 1997	31.50	31.56	31.00	31.00
1278	NASDAQ	AVT	Wed, Jun 18, 1997	31.75	31.75	31.50	31.50
1277	NASDAQ	AVT	Tue, Jun 17, 1997	31.63	31.81	31.44	31.75
1276	NASDAQ	AVT	Mon, Jun 16, 1997	31.31	31.81	31.31	31.75
1275	NASDAQ	AVT	Fri, Jun 13, 1997	31.50	31.50	31.31	31.44
1274	NASDAQ	AVT	Thu, Jun 12, 1997	31.13	31.56	31.13	31.38
1273	NASDAQ	AVT	Wed, Jun 11, 1997	31.13	31.19	30.75	31.13
1272	NASDAQ	AVT	Tue, Jun 10, 1997	31.69	31.69	31.19	31.25
1271	NASDAQ	AVT	Mon, Jun 9, 1997	31.31	31.94	31.31	31.75
1270	NASDAQ	AVT	Fri, Jun 6, 1997	30.94	31.63	30.94	31.44
1269	NASDAQ	AVT	Thu, Jun 5, 1997	30.88	31.00	30.75	30.94
1268	NASDAQ	AVT	Wed, Jun 4, 1997	30.94	31.19	30.88	30.88
1267	NASDAQ	AVT	Tue, Jun 3, 1997	31.38	31.38	31.00	31.13
1266	NASDAQ	AVT	Mon, Jun 2, 1997	31.63	31.63	31.19	31.38
1265	NASDAQ	AVT	Fri, May 30, 1997	30.88	31.50	30.88	31.50
1264	NASDAQ	AVT	Thu, May 29, 1997	31.88	32.13	31.63	31.69
1263	NASDAQ	AVT	Wed, May 28, 1997	31.50	31.81	31.38	31.81
1262	NASDAQ	AVT	Tue, May 27, 1997	31.13	31.75	31.13	31.63
1261	NASDAQ	AVT	Fri, May 23, 1997	30.88	31.38	30.69	31.25
1260	NASDAQ	AVT	Thu, May 22, 1997	30.94	31.00	30.69	30.88
1259	NASDAQ	AVT	Wed, May 21, 1997	31.00	31.06	30.69	30.81
1258	NASDAQ	AVT	Tue, May 20, 1997	30.38	30.88	30.31	30.81
1257	NASDAQ	AVT	Mon, May 19, 1997	30.44	30.69	30.38	30.50
1256	NASDAQ	AVT	Fri, May 16, 1997	31.06	31.13	30.44	30.44
1255	NASDAQ	AVT	Thu, May 15, 1997	30.88	31.06	30.88	31.06
1254	NASDAQ	AVT	Wed, May 14, 1997	30.94	31.25	30.94	31.00
1253	NASDAQ	AVT	Tue, May 13, 1997	31.31	31.31	30.88	31.00
1252	NASDAQ	AVT	Mon, May 12, 1997	31.13	31.50	31.06	31.38
1251	NASDAQ	AVT	Fri, May 9, 1997	31.38	31.38	30.94	31.19
1250	NASDAQ	AVT	Thu, May 8, 1997	31.25	31.56	31.13	31.31
1249	NASDAQ	AVT	Wed, May 7, 1997	31.13	31.44	31.06	31.38
1248	NASDAQ	AVT	Tue, May 6, 1997	31.56	31.63	31.25	31.25
1247	NASDAQ	AVT	Mon, May 5, 1997	31.38	31.63	31.19	31.56
1246	NASDAQ	AVT	Fri, May 2, 1997	30.75	31.25	30.75	31.25
1245	NASDAQ	AVT	Thu, May 1, 1997	30.44	30.81	30.38	30.75
1244	NASDAQ	AVT	Wed, Apr 30, 1997	30.00	30.69	30.00	30.44
1243	NASDAQ	AVT	Tue, Apr 29, 1997	29.50	30.06	29.50	30.00
1242	NASDAQ	AVT	Mon, Apr 28, 1997	29.19	29.50	29.13	29.38
1241	NASDAQ	AVT	Fri, Apr 25, 1997	29.38	29.38	28.81	29.13
1240	NASDAQ	AVT	Thu, Apr 24, 1997	28.31	29.25	28.31	29.25
1239	NASDAQ	AVT	Wed, Apr 23, 1997	28.06	28.63	28.06	28.44
1238	NASDAQ	AVT	Tue, Apr 22, 1997	28.19	28.19	27.88	28.00
1237	NASDAQ	AVT	Mon, Apr 21, 1997	28.31	28.31	28.13	28.19
1236	NASDAQ	AVT	Fri, Apr 18, 1997	28.56	28.63	28.31	28.31
1235	NASDAQ	AVT	Thu, Apr 17, 1997	28.63	28.81	28.25	28.44
1234	NASDAQ	AVT	Wed, Apr 16, 1997	28.50	28.69	28.38	28.50
1233	NASDAQ	AVT	Tue, Apr 15, 1997	28.63	29.06	28.56	28.63
1232	NASDAQ	AVT	Mon, Apr 14, 1997	28.63	28.63	28.19	28.63
1231	NASDAQ	AVT	Fri, Apr 11, 1997	28.81	28.88	28.50	28.56
1230	NASDAQ	AVT	Thu, Apr 10, 1997	29.56	29.69	29.19	29.19
1229	NASDAQ	AVT	Wed, Apr 9, 1997	29.81	30.00	29.56	29.63
1228	NASDAQ	AVT	Tue, Apr 8, 1997	29.94	30.19	29.88	29.94
1227	NASDAQ	AVT	Mon, Apr 7, 1997	29.69	30.13	29.50	29.94
1226	NASDAQ	AVT	Fri, Apr 4, 1997	28.56	29.69	28.56	29.38
1225	NASDAQ	AVT	Thu, Apr 3, 1997	28.19	28.50	27.94	28.44
1224	NASDAQ	AVT	Wed, Apr 2, 1997	27.81	28.25	27.75	28.06
1223	NASDAQ	AVT	Tue, Apr 1, 1997	28.06	28.06	27.56	27.81
1222	NASDAQ	AVT	Mon, Mar 31, 1997	28.06	28.63	27.81	28.19
1221	NASDAQ	AVT	Thu, Mar 27, 1997	28.81	28.81	28.13	28.19
1220	NASDAQ	AVT	Wed, Mar 26, 1997	27.81	29.00	27.69	28.94
1219	NASDAQ	AVT	Tue, Mar 25, 1997	28.06	28.19	27.63	27.81
1218	NASDAQ	AVT	Mon, Mar 24, 1997	28.63	28.63	27.75	28.19
1217	NASDAQ	AVT	Fri, Mar 21, 1997	28.94	28.94	28.50	28.56
1216	NASDAQ	AVT	Thu, Mar 20, 1997	28.31	29.19	28.25	28.81
1215	NASDAQ	AVT	Wed, Mar 19, 1997	29.81	29.81	28.38	28.44
1214	NASDAQ	AVT	Tue, Mar 18, 1997	30.00	30.06	29.69	29.81
1213	NASDAQ	AVT	Mon, Mar 17, 1997	30.44	30.44	29.63	29.81
1212	NASDAQ	AVT	Fri, Mar 14, 1997	30.13	30.56	30.13	30.50
1211	NASDAQ	AVT	Thu, Mar 13, 1997	30.13	30.19	30.06	30.13
1210	NASDAQ	AVT	Wed, Mar 12, 1997	30.25	30.81	30.06	30.19
1209	NASDAQ	AVT	Tue, Mar 11, 1997	30.44	30.50	30.00	30.50
1208	NASDAQ	AVT	Mon, Mar 10, 1997	30.50	30.69	30.25	30.56
1207	NASDAQ	AVT	Fri, Mar 7, 1997	29.81	30.69	29.81	30.63
1206	NASDAQ	AVT	Thu, Mar 6, 1997	31.19	31.25	29.56	29.75
1205	NASDAQ	AVT	Wed, Mar 5, 1997	31.38	31.38	30.56	31.13
1204	NASDAQ	AVT	Tue, Mar 4, 1997	31.25	31.50	31.00	31.31
1203	NASDAQ	AVT	Mon, Mar 3, 1997	31.00	31.38	31.00	31.38
1202	NASDAQ	AVT	Fri, Feb 28, 1997	31.81	31.81	30.88	31.19
1201	NASDAQ	AVT	Thu, Feb 27, 1997	32.06	32.19	31.81	31.81
1200	NASDAQ	AVT	Wed, Feb 26, 1997	32.19	32.38	31.88	32.00
1199	NASDAQ	AVT	Tue, Feb 25, 1997	31.94	32.44	31.94	32.19
1198	NASDAQ	AVT	Mon, Feb 24, 1997	31.50	32.00	31.44	32.00
1197	NASDAQ	AVT	Fri, Feb 21, 1997	31.75	31.88	31.56	31.63
1196	NASDAQ	AVT	Thu, Feb 20, 1997	31.81	32.19	31.75	31.94
1195	NASDAQ	AVT	Wed, Feb 19, 1997	31.56	32.00	31.50	32.00
1194	NASDAQ	AVT	Tue, Feb 18, 1997	31.50	31.75	31.44	31.63
1193	NASDAQ	AVT	Fri, Feb 14, 1997	30.88	31.44	30.88	31.38
1192	NASDAQ	AVT	Thu, Feb 13, 1997	31.00	31.50	31.00	31.13
1191	NASDAQ	AVT	Wed, Feb 12, 1997	30.13	31.00	30.13	30.88
1190	NASDAQ	AVT	Tue, Feb 11, 1997	30.81	30.81	30.00	30.13
1189	NASDAQ	AVT	Mon, Feb 10, 1997	30.75	30.81	30.38	30.38
1188	NASDAQ	AVT	Fri, Feb 7, 1997	30.25	30.69	30.25	30.56
1187	NASDAQ	AVT	Thu, Feb 6, 1997	30.56	30.56	29.88	30.25
1186	NASDAQ	AVT	Wed, Feb 5, 1997	30.63	31.00	30.50	30.56
1185	NASDAQ	AVT	Tue, Feb 4, 1997	31.06	31.06	30.63	30.63
1184	NASDAQ	AVT	Mon, Feb 3, 1997	31.06	31.13	30.81	30.94
1183	NASDAQ	AVT	Fri, Jan 31, 1997	30.88	31.31	30.81	30.94
1182	NASDAQ	AVT	Thu, Jan 30, 1997	30.94	31.13	30.81	30.81
1181	NASDAQ	AVT	Wed, Jan 29, 1997	31.19	31.25	30.88	31.00
1180	NASDAQ	AVT	Tue, Jan 28, 1997	31.44	31.75	31.19	31.19
1179	NASDAQ	AVT	Mon, Jan 27, 1997	31.63	31.63	31.13	31.25
1178	NASDAQ	AVT	Fri, Jan 24, 1997	31.63	32.00	31.50	31.50
1177	NASDAQ	AVT	Thu, Jan 23, 1997	31.31	32.13	31.31	31.50
1176	NASDAQ	AVT	Wed, Jan 22, 1997	30.88	31.19	30.25	31.19
1175	NASDAQ	AVT	Tue, Jan 21, 1997	31.00	31.44	31.00	31.06
1174	NASDAQ	AVT	Mon, Jan 20, 1997	31.44	31.50	31.13	31.31
1173	NASDAQ	AVT	Fri, Jan 17, 1997	31.38	31.69	31.38	31.56
1172	NASDAQ	AVT	Thu, Jan 16, 1997	31.25	31.75	31.25	31.56
1171	NASDAQ	AVT	Wed, Jan 15, 1997	30.94	31.38	30.94	31.38
1170	NASDAQ	AVT	Tue, Jan 14, 1997	30.56	31.13	30.56	31.06
1169	NASDAQ	AVT	Mon, Jan 13, 1997	29.75	30.63	29.75	30.56
1168	NASDAQ	AVT	Fri, Jan 10, 1997	29.31	29.88	29.00	29.88
1167	NASDAQ	AVT	Thu, Jan 9, 1997	29.63	29.69	29.44	29.44
1166	NASDAQ	AVT	Wed, Jan 8, 1997	29.75	29.94	29.63	29.69
1165	NASDAQ	AVT	Tue, Jan 7, 1997	29.50	29.75	29.44	29.75
1164	NASDAQ	AVT	Mon, Jan 6, 1997	29.06	29.63	28.94	29.50
1163	NASDAQ	AVT	Fri, Jan 3, 1997	28.56	29.00	28.38	28.88
1162	NASDAQ	AVT	Thu, Jan 2, 1997	29.00	29.06	28.44	28.56
1161	NASDAQ	AVT	Tue, Dec 31, 1996	29.31	29.31	29.00	29.13
1160	NASDAQ	AVT	Mon, Dec 30, 1996	29.19	29.63	29.06	29.25
1159	NASDAQ	AVT	Fri, Dec 27, 1996	29.00	29.44	29.00	29.19
1158	NASDAQ	AVT	Thu, Dec 26, 1996	28.75	29.06	28.75	28.94
1157	NASDAQ	AVT	Tue, Dec 24, 1996	28.38	28.69	28.19	28.69
1156	NASDAQ	AVT	Mon, Dec 23, 1996	29.06	29.06	28.38	28.50
1155	NASDAQ	AVT	Fri, Dec 20, 1996	28.75	29.06	28.63	29.00
1154	NASDAQ	AVT	Thu, Dec 19, 1996	28.31	28.75	28.31	28.69
1153	NASDAQ	AVT	Wed, Dec 18, 1996	28.19	28.94	28.19	28.56
1152	NASDAQ	AVT	Tue, Dec 17, 1996	27.94	28.63	27.94	28.44
1151	NASDAQ	AVT	Mon, Dec 16, 1996	29.44	29.44	28.25	28.31
1150	NASDAQ	AVT	Fri, Dec 13, 1996	29.63	29.63	29.31	29.44
1149	NASDAQ	AVT	Thu, Dec 12, 1996	29.31	29.75	29.25	29.50
1148	NASDAQ	AVT	Wed, Dec 11, 1996	29.56	29.63	29.25	29.31
1147	NASDAQ	AVT	Tue, Dec 10, 1996	29.81	30.19	29.81	29.94
1146	NASDAQ	AVT	Mon, Dec 9, 1996	29.13	29.75	29.13	29.69
1145	NASDAQ	AVT	Fri, Dec 6, 1996	29.06	29.31	28.75	29.19
1144	NASDAQ	AVT	Thu, Dec 5, 1996	29.94	30.00	29.13	29.19
1143	NASDAQ	AVT	Wed, Dec 4, 1996	30.13	30.13	29.88	30.00
1142	NASDAQ	AVT	Tue, Dec 3, 1996	29.38	30.56	29.38	30.25
1141	NASDAQ	AVT	Mon, Dec 2, 1996	29.00	29.56	28.88	29.44
1140	NASDAQ	AVT	Fri, Nov 29, 1996	29.31	29.31	29.19	29.25
1139	NASDAQ	AVT	Wed, Nov 27, 1996	29.00	29.38	29.00	29.25
1138	NASDAQ	AVT	Tue, Nov 26, 1996	29.19	29.31	29.06	29.13
1137	NASDAQ	AVT	Mon, Nov 25, 1996	28.88	29.31	28.88	29.31
1136	NASDAQ	AVT	Fri, Nov 22, 1996	28.44	29.25	28.44	29.06
1135	NASDAQ	AVT	Thu, Nov 21, 1996	28.56	28.56	28.25	28.31
1134	NASDAQ	AVT	Wed, Nov 20, 1996	28.38	28.75	28.25	28.69
1133	NASDAQ	AVT	Tue, Nov 19, 1996	28.13	28.44	28.13	28.25
1132	NASDAQ	AVT	Mon, Nov 18, 1996	28.19	28.19	27.94	28.00
1131	NASDAQ	AVT	Fri, Nov 15, 1996	28.19	28.31	27.81	28.06
1130	NASDAQ	AVT	Thu, Nov 14, 1996	27.63	28.25	27.63	28.00
1129	NASDAQ	AVT	Wed, Nov 13, 1996	27.50	27.81	27.44	27.75
1128	NASDAQ	AVT	Tue, Nov 12, 1996	27.50	27.88	27.31	27.56
1127	NASDAQ	AVT	Mon, Nov 11, 1996	27.13	27.50	27.06	27.50
1126	NASDAQ	AVT	Fri, Nov 8, 1996	27.38	27.63	27.25	27.38
1125	NASDAQ	AVT	Thu, Nov 7, 1996	26.63	27.63	26.63	27.50
1124	NASDAQ	AVT	Wed, Nov 6, 1996	26.19	26.63	26.19	26.56
1123	NASDAQ	AVT	Tue, Nov 5, 1996	25.56	26.25	25.56	26.06
1122	NASDAQ	AVT	Mon, Nov 4, 1996	25.25	25.81	25.25	25.56
1121	NASDAQ	AVT	Fri, Nov 1, 1996	25.25	25.69	25.25	25.25
1120	NASDAQ	AVT	Thu, Oct 31, 1996	25.19	25.31	25.06	25.19
1119	NASDAQ	AVT	Wed, Oct 30, 1996	25.19	25.19	25.00	25.06
1118	NASDAQ	AVT	Tue, Oct 29, 1996	25.13	25.44	25.00	25.06
1117	NASDAQ	AVT	Mon, Oct 28, 1996	25.44	25.56	25.00	25.06
1116	NASDAQ	AVT	Fri, Oct 25, 1996	25.56	25.56	25.31	25.44
1115	NASDAQ	AVT	Thu, Oct 24, 1996	25.50	25.88	25.50	25.56
1114	NASDAQ	AVT	Wed, Oct 23, 1996	25.00	25.31	24.81	25.25
1113	NASDAQ	AVT	Tue, Oct 22, 1996	24.94	25.06	24.88	24.88
1112	NASDAQ	AVT	Mon, Oct 21, 1996	24.81	25.19	24.75	25.00
1111	NASDAQ	AVT	Fri, Oct 18, 1996	24.69	25.00	24.50	24.88
1110	NASDAQ	AVT	Thu, Oct 17, 1996	25.00	25.13	24.75	24.75
1109	NASDAQ	AVT	Wed, Oct 16, 1996	25.06	25.19	24.81	25.06
1108	NASDAQ	AVT	Tue, Oct 15, 1996	25.13	25.31	25.00	25.00
1107	NASDAQ	AVT	Mon, Oct 14, 1996	25.13	25.31	25.06	25.19
1106	NASDAQ	AVT	Fri, Oct 11, 1996	24.69	25.25	24.69	25.19
1105	NASDAQ	AVT	Thu, Oct 10, 1996	24.38	24.94	24.38	24.63
1104	NASDAQ	AVT	Wed, Oct 9, 1996	24.56	24.63	24.44	24.50
1103	NASDAQ	AVT	Tue, Oct 8, 1996	24.38	24.56	24.31	24.50
1102	NASDAQ	AVT	Mon, Oct 7, 1996	24.19	24.38	24.19	24.31
1101	NASDAQ	AVT	Fri, Oct 4, 1996	24.31	24.50	24.25	24.31
1100	NASDAQ	AVT	Thu, Oct 3, 1996	24.38	24.50	24.25	24.25
1099	NASDAQ	AVT	Wed, Oct 2, 1996	24.13	24.44	24.13	24.25
1098	NASDAQ	AVT	Tue, Oct 1, 1996	24.31	24.31	23.94	24.25
1097	NASDAQ	AVT	Mon, Sep 30, 1996	24.38	24.63	24.25	24.25
1096	NASDAQ	AVT	Fri, Sep 27, 1996	24.38	24.69	24.31	24.50
1095	NASDAQ	AVT	Thu, Sep 26, 1996	24.88	24.88	24.25	24.31
1094	NASDAQ	AVT	Wed, Sep 25, 1996	24.94	25.00	24.69	24.69
1093	NASDAQ	AVT	Tue, Sep 24, 1996	24.69	25.13	24.50	25.00
1092	NASDAQ	AVT	Mon, Sep 23, 1996	24.75	24.75	24.19	24.50
1091	NASDAQ	AVT	Fri, Sep 20, 1996	24.81	25.00	24.81	24.88
1090	NASDAQ	AVT	Thu, Sep 19, 1996	24.44	24.94	24.44	24.75
1089	NASDAQ	AVT	Wed, Sep 18, 1996	24.44	24.63	24.06	24.56
1088	NASDAQ	AVT	Tue, Sep 17, 1996	24.25	24.69	24.19	24.44
1087	NASDAQ	AVT	Mon, Sep 16, 1996	23.50	24.13	23.50	24.00
1086	NASDAQ	AVT	Fri, Sep 13, 1996	23.38	23.88	23.31	23.38
1085	NASDAQ	AVT	Thu, Sep 12, 1996	23.31	23.44	23.06	23.25
1084	NASDAQ	AVT	Wed, Sep 11, 1996	22.75	23.31	22.69	23.31
1083	NASDAQ	AVT	Tue, Sep 10, 1996	22.50	22.75	22.50	22.75
1082	NASDAQ	AVT	Mon, Sep 9, 1996	22.56	22.81	22.50	22.75
1081	NASDAQ	AVT	Fri, Sep 6, 1996	23.06	23.13	22.56	22.56
1080	NASDAQ	AVT	Thu, Sep 5, 1996	23.63	23.81	23.19	23.25
1079	NASDAQ	AVT	Wed, Sep 4, 1996	23.50	23.69	23.38	23.69
1078	NASDAQ	AVT	Tue, Sep 3, 1996	23.31	23.63	23.19	23.50
1077	NASDAQ	AVT	Fri, Aug 30, 1996	23.56	23.56	23.38	23.38
1076	NASDAQ	AVT	Thu, Aug 29, 1996	23.44	24.00	23.44	23.56
1075	NASDAQ	AVT	Wed, Aug 28, 1996	23.31	23.44	23.31	23.38
1074	NASDAQ	AVT	Tue, Aug 27, 1996	23.06	23.50	23.06	23.38
1073	NASDAQ	AVT	Mon, Aug 26, 1996	23.25	23.38	23.06	23.13
1072	NASDAQ	AVT	Fri, Aug 23, 1996	23.50	23.50	23.00	23.00
1071	NASDAQ	AVT	Thu, Aug 22, 1996	23.06	23.81	23.06	23.63
1070	NASDAQ	AVT	Wed, Aug 21, 1996	23.06	23.13	22.81	23.06
1069	NASDAQ	AVT	Tue, Aug 20, 1996	23.50	23.50	22.88	23.00
1068	NASDAQ	AVT	Mon, Aug 19, 1996	23.94	23.94	23.63	23.63
1067	NASDAQ	AVT	Fri, Aug 16, 1996	23.63	24.00	23.63	24.00
1066	NASDAQ	AVT	Thu, Aug 15, 1996	23.19	23.69	23.19	23.69
1065	NASDAQ	AVT	Wed, Aug 14, 1996	23.00	23.25	22.94	23.25
1064	NASDAQ	AVT	Tue, Aug 13, 1996	23.19	23.19	22.81	22.94
1063	NASDAQ	AVT	Mon, Aug 12, 1996	23.75	23.75	23.00	23.06
1062	NASDAQ	AVT	Fri, Aug 9, 1996	23.81	23.88	23.56	23.63
1061	NASDAQ	AVT	Thu, Aug 8, 1996	23.75	23.94	23.50	23.69
1060	NASDAQ	AVT	Wed, Aug 7, 1996	22.88	23.75	22.88	23.75
1059	NASDAQ	AVT	Tue, Aug 6, 1996	22.50	22.88	22.44	22.88
1058	NASDAQ	AVT	Mon, Aug 5, 1996	22.75	22.94	22.25	22.50
1057	NASDAQ	AVT	Fri, Aug 2, 1996	22.31	23.44	22.31	22.81
1056	NASDAQ	AVT	Thu, Aug 1, 1996	21.81	22.25	21.31	22.25
1055	NASDAQ	AVT	Wed, Jul 31, 1996	21.25	21.94	21.25	21.81
1054	NASDAQ	AVT	Tue, Jul 30, 1996	21.06	21.31	20.88	21.25
1053	NASDAQ	AVT	Mon, Jul 29, 1996	21.44	21.44	21.13	21.19
1052	NASDAQ	AVT	Fri, Jul 26, 1996	21.31	21.63	21.25	21.50
1051	NASDAQ	AVT	Thu, Jul 25, 1996	19.69	20.69	19.56	20.69
1050	NASDAQ	AVT	Wed, Jul 24, 1996	19.75	20.00	19.63	19.94
1049	NASDAQ	AVT	Tue, Jul 23, 1996	20.44	20.63	19.88	19.94
1048	NASDAQ	AVT	Mon, Jul 22, 1996	20.88	20.88	20.13	20.31
1047	NASDAQ	AVT	Fri, Jul 19, 1996	21.19	21.19	20.88	20.88
1046	NASDAQ	AVT	Thu, Jul 18, 1996	20.94	21.06	20.81	21.06
1045	NASDAQ	AVT	Wed, Jul 17, 1996	21.13	21.19	20.94	21.06
1044	NASDAQ	AVT	Tue, Jul 16, 1996	20.56	20.94	19.88	20.81
1043	NASDAQ	AVT	Mon, Jul 15, 1996	21.19	21.19	20.63	20.69
1042	NASDAQ	AVT	Fri, Jul 12, 1996	21.25	21.38	21.06	21.31
1041	NASDAQ	AVT	Thu, Jul 11, 1996	22.06	22.19	21.25	21.38
1040	NASDAQ	AVT	Wed, Jul 10, 1996	21.94	22.06	21.75	22.06
1039	NASDAQ	AVT	Tue, Jul 9, 1996	22.06	22.19	21.75	21.94
1038	NASDAQ	AVT	Mon, Jul 8, 1996	22.19	22.25	21.75	21.81
1037	NASDAQ	AVT	Fri, Jul 5, 1996	22.00	22.38	21.94	22.19
1036	NASDAQ	AVT	Wed, Jul 3, 1996	21.94	22.63	21.94	22.56
1035	NASDAQ	AVT	Tue, Jul 2, 1996	22.06	22.06	21.75	21.88
1034	NASDAQ	AVT	Mon, Jul 1, 1996	21.63	22.13	21.38	22.13
1033	NASDAQ	AVT	Fri, Jun 28, 1996	21.56	21.69	21.06	21.06
1032	NASDAQ	AVT	Thu, Jun 27, 1996	21.06	21.44	20.94	21.31
1031	NASDAQ	AVT	Wed, Jun 26, 1996	21.81	21.94	20.81	20.94
1030	NASDAQ	AVT	Tue, Jun 25, 1996	23.50	23.50	21.44	21.69
1029	NASDAQ	AVT	Mon, Jun 24, 1996	23.63	23.69	23.56	23.63
1028	NASDAQ	AVT	Fri, Jun 21, 1996	23.88	23.94	23.63	23.75
1027	NASDAQ	AVT	Thu, Jun 20, 1996	24.00	24.00	23.69	23.88
1026	NASDAQ	AVT	Wed, Jun 19, 1996	24.19	24.25	23.94	24.00
1025	NASDAQ	AVT	Tue, Jun 18, 1996	24.63	24.63	24.13	24.19
1024	NASDAQ	AVT	Mon, Jun 17, 1996	24.94	24.94	24.50	24.63
1023	NASDAQ	AVT	Fri, Jun 14, 1996	25.00	25.03	24.88	24.94
1022	NASDAQ	AVT	Thu, Jun 13, 1996	25.13	25.25	25.00	25.00
1021	NASDAQ	AVT	Wed, Jun 12, 1996	25.19	25.31	25.13	25.13
1020	NASDAQ	AVT	Tue, Jun 11, 1996	25.38	25.56	25.25	25.31
1019	NASDAQ	AVT	Mon, Jun 10, 1996	25.31	25.56	25.19	25.25
1018	NASDAQ	AVT	Fri, Jun 7, 1996	25.31	25.44	25.00	25.31
1017	NASDAQ	AVT	Thu, Jun 6, 1996	25.50	25.56	25.31	25.31
1016	NASDAQ	AVT	Wed, Jun 5, 1996	25.38	25.56	25.31	25.44
1015	NASDAQ	AVT	Tue, Jun 4, 1996	25.63	25.63	25.44	25.50
1014	NASDAQ	AVT	Mon, Jun 3, 1996	25.81	25.81	25.63	25.63
1013	NASDAQ	AVT	Fri, May 31, 1996	25.69	25.88	25.69	25.75
1012	NASDAQ	AVT	Thu, May 30, 1996	25.38	25.69	25.31	25.63
1011	NASDAQ	AVT	Wed, May 29, 1996	25.38	25.75	25.19	25.25
1010	NASDAQ	AVT	Tue, May 28, 1996	25.38	25.56	25.31	25.38
1009	NASDAQ	AVT	Fri, May 24, 1996	25.50	25.50	25.25	25.44
1008	NASDAQ	AVT	Thu, May 23, 1996	25.56	25.75	25.56	25.63
1007	NASDAQ	AVT	Wed, May 22, 1996	25.38	25.50	25.31	25.50
1006	NASDAQ	AVT	Tue, May 21, 1996	25.81	25.88	25.50	25.50
1005	NASDAQ	AVT	Mon, May 20, 1996	26.00	26.00	25.19	25.81
1004	NASDAQ	AVT	Fri, May 17, 1996	26.19	26.44	26.19	26.31
1003	NASDAQ	AVT	Thu, May 16, 1996	26.50	26.50	26.19	26.19
1002	NASDAQ	AVT	Wed, May 15, 1996	26.44	26.56	26.31	26.56
1001	NASDAQ	AVT	Tue, May 14, 1996	26.38	26.63	26.19	26.44
1000	NASDAQ	AVT	Mon, May 13, 1996	25.56	26.13	25.56	26.13
999	NASDAQ	AVT	Fri, May 10, 1996	25.25	25.88	25.06	25.56
998	NASDAQ	AVT	Thu, May 9, 1996	25.19	25.38	25.06	25.13
997	NASDAQ	AVT	Wed, May 8, 1996	25.44	25.50	25.06	25.25
996	NASDAQ	AVT	Tue, May 7, 1996	26.00	26.00	25.19	25.31
995	NASDAQ	AVT	Mon, May 6, 1996	26.13	26.19	25.75	25.88
994	NASDAQ	AVT	Fri, May 3, 1996	26.25	26.56	26.13	26.25
993	NASDAQ	AVT	Thu, May 2, 1996	26.63	26.75	26.25	26.25
992	NASDAQ	AVT	Wed, May 1, 1996	26.50	26.75	26.25	26.69
991	NASDAQ	AVT	Tue, Apr 30, 1996	26.88	27.38	26.31	26.38
990	NASDAQ	AVT	Mon, Apr 29, 1996	27.13	27.19	26.88	27.00
989	NASDAQ	AVT	Fri, Apr 26, 1996	26.38	27.13	26.38	27.00
988	NASDAQ	AVT	Thu, Apr 25, 1996	26.25	26.69	26.25	26.44
987	NASDAQ	AVT	Wed, Apr 24, 1996	25.69	26.38	25.69	26.38
986	NASDAQ	AVT	Tue, Apr 23, 1996	25.25	25.63	25.25	25.56
985	NASDAQ	AVT	Mon, Apr 22, 1996	25.13	25.19	24.94	25.13
984	NASDAQ	AVT	Fri, Apr 19, 1996	25.00	25.06	24.81	25.06
983	NASDAQ	AVT	Thu, Apr 18, 1996	24.69	25.06	24.69	25.00
982	NASDAQ	AVT	Wed, Apr 17, 1996	24.50	24.75	24.50	24.75
981	NASDAQ	AVT	Tue, Apr 16, 1996	24.44	24.88	24.44	24.69
980	NASDAQ	AVT	Mon, Apr 15, 1996	24.13	24.69	24.13	24.50
979	NASDAQ	AVT	Fri, Apr 12, 1996	24.19	24.19	23.94	24.13
978	NASDAQ	AVT	Thu, Apr 11, 1996	24.31	24.50	24.06	24.13
977	NASDAQ	AVT	Wed, Apr 10, 1996	24.19	24.63	24.00	24.38
976	NASDAQ	AVT	Tue, Apr 9, 1996	24.31	24.44	24.13	24.19
975	NASDAQ	AVT	Mon, Apr 8, 1996	24.13	24.25	23.94	24.25
974	NASDAQ	AVT	Thu, Apr 4, 1996	24.13	24.38	24.13	24.25
973	NASDAQ	AVT	Wed, Apr 3, 1996	24.06	24.06	23.88	24.00
972	NASDAQ	AVT	Tue, Apr 2, 1996	24.19	24.19	23.94	24.06
971	NASDAQ	AVT	Mon, Apr 1, 1996	24.13	24.38	24.13	24.19
970	NASDAQ	AVT	Fri, Mar 29, 1996	24.31	24.38	24.06	24.13
969	NASDAQ	AVT	Thu, Mar 28, 1996	23.63	24.44	23.63	24.44
968	NASDAQ	AVT	Wed, Mar 27, 1996	23.13	24.13	23.13	23.69
967	NASDAQ	AVT	Tue, Mar 26, 1996	24.25	24.25	23.56	24.00
966	NASDAQ	AVT	Mon, Mar 25, 1996	24.88	24.88	24.25	24.25
965	NASDAQ	AVT	Fri, Mar 22, 1996	24.50	25.00	24.38	24.75
964	NASDAQ	AVT	Thu, Mar 21, 1996	24.63	24.69	24.44	24.50
963	NASDAQ	AVT	Wed, Mar 20, 1996	24.94	24.94	24.25	24.63
962	NASDAQ	AVT	Tue, Mar 19, 1996	24.81	25.44	24.81	24.94
961	NASDAQ	AVT	Mon, Mar 18, 1996	24.00	24.88	24.00	24.81
960	NASDAQ	AVT	Fri, Mar 15, 1996	23.38	23.94	23.19	23.88
959	NASDAQ	AVT	Thu, Mar 14, 1996	23.44	23.75	23.31	23.31
958	NASDAQ	AVT	Wed, Mar 13, 1996	23.56	23.69	23.50	23.69
957	NASDAQ	AVT	Tue, Mar 12, 1996	23.56	23.75	23.31	23.75
956	NASDAQ	AVT	Mon, Mar 11, 1996	23.44	23.75	23.38	23.63
955	NASDAQ	AVT	Fri, Mar 8, 1996	23.88	23.88	23.38	23.50
954	NASDAQ	AVT	Thu, Mar 7, 1996	23.94	24.13	23.75	24.00
953	NASDAQ	AVT	Wed, Mar 6, 1996	24.06	24.31	24.00	24.13
952	NASDAQ	AVT	Tue, Mar 5, 1996	24.06	24.31	23.94	23.94
951	NASDAQ	AVT	Mon, Mar 4, 1996	23.94	24.38	23.94	24.19
950	NASDAQ	AVT	Fri, Mar 1, 1996	24.81	24.81	24.00	24.00
949	NASDAQ	AVT	Thu, Feb 29, 1996	24.38	25.13	24.38	24.94
948	NASDAQ	AVT	Wed, Feb 28, 1996	23.88	24.75	23.88	24.50
947	NASDAQ	AVT	Tue, Feb 27, 1996	24.31	24.31	23.69	23.88
946	NASDAQ	AVT	Mon, Feb 26, 1996	24.19	24.63	24.06	24.25
945	NASDAQ	AVT	Fri, Feb 23, 1996	24.38	24.69	23.81	24.19
944	NASDAQ	AVT	Thu, Feb 22, 1996	23.63	24.44	23.63	24.31
943	NASDAQ	AVT	Wed, Feb 21, 1996	23.75	24.00	23.56	23.75
942	NASDAQ	AVT	Tue, Feb 20, 1996	23.44	23.81	23.31	23.75
941	NASDAQ	AVT	Fri, Feb 16, 1996	24.00	24.00	23.44	23.50
940	NASDAQ	AVT	Thu, Feb 15, 1996	22.94	24.38	22.94	24.00
939	NASDAQ	AVT	Wed, Feb 14, 1996	22.50	22.94	22.44	22.94
938	NASDAQ	AVT	Tue, Feb 13, 1996	22.00	22.50	22.00	22.50
937	NASDAQ	AVT	Mon, Feb 12, 1996	21.94	23.00	21.75	22.88
936	NASDAQ	AVT	Fri, Feb 9, 1996	22.25	22.25	21.63	21.81
935	NASDAQ	AVT	Thu, Feb 8, 1996	22.38	22.44	22.13	22.13
934	NASDAQ	AVT	Wed, Feb 7, 1996	23.06	23.31	22.19	22.38
933	NASDAQ	AVT	Tue, Feb 6, 1996	22.13	23.38	22.13	23.19
932	NASDAQ	AVT	Mon, Feb 5, 1996	21.63	22.00	21.44	22.00
931	NASDAQ	AVT	Fri, Feb 2, 1996	21.44	21.50	21.38	21.50
930	NASDAQ	AVT	Thu, Feb 1, 1996	21.44	21.50	21.00	21.44
929	NASDAQ	AVT	Wed, Jan 31, 1996	21.50	21.69	21.38	21.38
928	NASDAQ	AVT	Tue, Jan 30, 1996	21.44	21.56	21.38	21.44
927	NASDAQ	AVT	Mon, Jan 29, 1996	21.50	21.56	21.31	21.38
926	NASDAQ	AVT	Fri, Jan 26, 1996	22.00	22.00	21.13	21.44
925	NASDAQ	AVT	Thu, Jan 25, 1996	21.81	22.63	21.81	22.06
924	NASDAQ	AVT	Wed, Jan 24, 1996	21.13	21.81	21.06	21.50
923	NASDAQ	AVT	Tue, Jan 23, 1996	21.13	21.56	21.06	21.50
922	NASDAQ	AVT	Mon, Jan 22, 1996	21.38	21.50	20.88	21.00
921	NASDAQ	AVT	Fri, Jan 19, 1996	20.19	21.75	20.19	21.31
920	NASDAQ	AVT	Thu, Jan 18, 1996	20.50	20.81	20.06	20.19
919	NASDAQ	AVT	Wed, Jan 17, 1996	20.13	20.38	20.00	20.25
918	NASDAQ	AVT	Tue, Jan 16, 1996	20.25	20.25	19.81	20.00
917	NASDAQ	AVT	Mon, Jan 15, 1996	20.75	20.75	20.06	20.25
916	NASDAQ	AVT	Fri, Jan 12, 1996	20.50	21.00	20.31	20.94
915	NASDAQ	AVT	Thu, Jan 11, 1996	19.69	20.31	19.31	19.81
914	NASDAQ	AVT	Wed, Jan 10, 1996	19.75	19.75	19.00	19.56
913	NASDAQ	AVT	Tue, Jan 9, 1996	21.00	21.00	19.50	19.75
912	NASDAQ	AVT	Mon, Jan 8, 1996	21.13	21.13	21.00	21.00
911	NASDAQ	AVT	Fri, Jan 5, 1996	21.44	21.44	21.06	21.13
910	NASDAQ	AVT	Thu, Jan 4, 1996	22.19	22.25	21.31	21.44
909	NASDAQ	AVT	Wed, Jan 3, 1996	22.50	22.69	22.31	22.44
908	NASDAQ	AVT	Tue, Jan 2, 1996	22.13	22.50	22.13	22.50
907	NASDAQ	AVT	Fri, Dec 29, 1995	22.38	22.44	22.06	22.38
906	NASDAQ	AVT	Thu, Dec 28, 1995	22.13	22.44	21.88	22.44
905	NASDAQ	AVT	Wed, Dec 27, 1995	22.19	22.44	22.13	22.25
904	NASDAQ	AVT	Tue, Dec 26, 1995	21.75	22.44	21.63	22.44
903	NASDAQ	AVT	Fri, Dec 22, 1995	21.31	22.06	21.31	22.06
902	NASDAQ	AVT	Thu, Dec 21, 1995	21.13	21.31	21.13	21.19
901	NASDAQ	AVT	Wed, Dec 20, 1995	21.19	22.00	21.00	21.50
900	NASDAQ	AVT	Tue, Dec 19, 1995	20.63	21.06	20.63	21.06
899	NASDAQ	AVT	Mon, Dec 18, 1995	21.44	21.44	20.75	20.75
898	NASDAQ	AVT	Fri, Dec 15, 1995	21.25	21.69	21.25	21.56
897	NASDAQ	AVT	Thu, Dec 14, 1995	22.94	22.94	22.13	22.13
896	NASDAQ	AVT	Wed, Dec 13, 1995	23.06	23.38	22.81	22.81
895	NASDAQ	AVT	Tue, Dec 12, 1995	23.19	23.69	23.00	23.13
894	NASDAQ	AVT	Mon, Dec 11, 1995	23.38	23.38	22.75	23.19
893	NASDAQ	AVT	Fri, Dec 8, 1995	23.56	23.75	23.19	23.38
892	NASDAQ	AVT	Thu, Dec 7, 1995	23.94	23.94	23.25	23.44
891	NASDAQ	AVT	Wed, Dec 6, 1995	24.50	24.50	23.81	23.94
890	NASDAQ	AVT	Tue, Dec 5, 1995	24.00	24.75	23.88	24.50
889	NASDAQ	AVT	Mon, Dec 4, 1995	23.13	24.00	22.94	23.94
888	NASDAQ	AVT	Fri, Dec 1, 1995	23.50	23.50	22.88	22.88
887	NASDAQ	AVT	Thu, Nov 30, 1995	23.56	23.63	23.31	23.50
886	NASDAQ	AVT	Wed, Nov 29, 1995	23.13	23.69	23.00	23.56
885	NASDAQ	AVT	Tue, Nov 28, 1995	21.94	22.75	21.94	22.50
884	NASDAQ	AVT	Mon, Nov 27, 1995	21.56	22.19	21.56	21.81
883	NASDAQ	AVT	Fri, Nov 24, 1995	21.69	21.69	21.56	21.63
882	NASDAQ	AVT	Wed, Nov 22, 1995	22.50	22.75	21.50	21.56
881	NASDAQ	AVT	Tue, Nov 21, 1995	22.75	22.75	22.38	22.44
880	NASDAQ	AVT	Mon, Nov 20, 1995	23.50	23.63	22.75	22.75
879	NASDAQ	AVT	Fri, Nov 17, 1995	23.19	23.50	23.19	23.44
878	NASDAQ	AVT	Thu, Nov 16, 1995	23.00	23.31	22.88	23.19
877	NASDAQ	AVT	Wed, Nov 15, 1995	23.94	23.94	23.00	23.00
876	NASDAQ	AVT	Tue, Nov 14, 1995	24.06	24.13	23.81	23.88
875	NASDAQ	AVT	Mon, Nov 13, 1995	24.88	24.88	24.25	24.25
874	NASDAQ	AVT	Fri, Nov 10, 1995	25.19	25.31	24.97	25.13
873	NASDAQ	AVT	Thu, Nov 9, 1995	25.19	25.44	25.06	25.38
872	NASDAQ	AVT	Wed, Nov 8, 1995	24.88	25.06	24.38	24.44
871	NASDAQ	AVT	Tue, Nov 7, 1995	26.13	26.13	24.75	24.75
870	NASDAQ	AVT	Mon, Nov 6, 1995	26.63	26.63	26.25	26.50
869	NASDAQ	AVT	Fri, Nov 3, 1995	25.38	26.75	25.38	26.75
868	NASDAQ	AVT	Thu, Nov 2, 1995	24.88	25.38	24.88	25.38
867	NASDAQ	AVT	Wed, Nov 1, 1995	25.19	25.19	24.50	24.94
866	NASDAQ	AVT	Tue, Oct 31, 1995	24.94	25.63	24.88	25.19
865	NASDAQ	AVT	Mon, Oct 30, 1995	24.38	24.94	24.38	24.81
864	NASDAQ	AVT	Fri, Oct 27, 1995	24.75	24.94	24.50	24.75
863	NASDAQ	AVT	Thu, Oct 26, 1995	25.25	25.44	24.56	24.88
862	NASDAQ	AVT	Wed, Oct 25, 1995	25.63	25.63	24.69	25.13
861	NASDAQ	AVT	Tue, Oct 24, 1995	25.75	25.75	24.75	25.19
860	NASDAQ	AVT	Mon, Oct 23, 1995	24.13	24.63	24.06	24.56
859	NASDAQ	AVT	Fri, Oct 20, 1995	24.44	24.63	24.19	24.38
858	NASDAQ	AVT	Thu, Oct 19, 1995	24.38	24.56	24.06	24.44
857	NASDAQ	AVT	Wed, Oct 18, 1995	25.00	25.25	24.50	24.88
856	NASDAQ	AVT	Tue, Oct 17, 1995	24.44	24.94	24.38	24.94
855	NASDAQ	AVT	Mon, Oct 16, 1995	24.50	24.56	23.88	24.38
854	NASDAQ	AVT	Fri, Oct 13, 1995	24.56	24.63	24.19	24.25
853	NASDAQ	AVT	Thu, Oct 12, 1995	24.31	24.94	24.25	24.31
852	NASDAQ	AVT	Wed, Oct 11, 1995	23.44	24.00	23.31	24.00
851	NASDAQ	AVT	Tue, Oct 10, 1995	22.31	23.31	22.31	23.13
850	NASDAQ	AVT	Mon, Oct 9, 1995	24.38	24.44	23.44	23.50
849	NASDAQ	AVT	Fri, Oct 6, 1995	25.00	25.06	24.38	24.38
848	NASDAQ	AVT	Thu, Oct 5, 1995	24.75	24.94	24.38	24.94
847	NASDAQ	AVT	Wed, Oct 4, 1995	25.63	25.63	24.69	24.75
846	NASDAQ	AVT	Tue, Oct 3, 1995	25.81	25.81	25.50	25.69
845	NASDAQ	AVT	Mon, Oct 2, 1995	25.94	25.94	25.63	25.63
844	NASDAQ	AVT	Fri, Sep 29, 1995	25.75	26.25	25.69	25.69
843	NASDAQ	AVT	Thu, Sep 28, 1995	25.06	25.88	25.06	25.50
842	NASDAQ	AVT	Wed, Sep 27, 1995	25.56	25.56	24.63	25.06
841	NASDAQ	AVT	Tue, Sep 26, 1995	26.06	26.19	25.63	25.63
840	NASDAQ	AVT	Mon, Sep 25, 1995	26.44	26.50	25.75	25.81
839	NASDAQ	AVT	Fri, Sep 22, 1995	26.75	26.75	26.44	26.50
838	NASDAQ	AVT	Thu, Sep 21, 1995	26.94	26.94	26.50	26.88
837	NASDAQ	AVT	Wed, Sep 20, 1995	27.00	27.06	26.75	26.88
836	NASDAQ	AVT	Tue, Sep 19, 1995	26.94	27.38	26.88	26.94
835	NASDAQ	AVT	Mon, Sep 18, 1995	26.88	26.94	26.50	26.75
834	NASDAQ	AVT	Fri, Sep 15, 1995	27.25	27.44	27.06	27.13
833	NASDAQ	AVT	Thu, Sep 14, 1995	27.50	27.56	27.19	27.31
832	NASDAQ	AVT	Wed, Sep 13, 1995	27.44	27.56	27.31	27.50
831	NASDAQ	AVT	Tue, Sep 12, 1995	27.63	27.81	27.25	27.81
830	NASDAQ	AVT	Mon, Sep 11, 1995	27.50	27.56	27.38	27.50
829	NASDAQ	AVT	Fri, Sep 8, 1995	27.19	27.56	27.06	27.56
828	NASDAQ	AVT	Thu, Sep 7, 1995	27.50	27.69	27.13	27.13
827	NASDAQ	AVT	Wed, Sep 6, 1995	26.75	27.69	26.75	27.50
826	NASDAQ	AVT	Tue, Sep 5, 1995	26.19	26.56	26.13	26.56
825	NASDAQ	AVT	Fri, Sep 1, 1995	25.81	26.38	25.81	26.19
824	NASDAQ	AVT	Thu, Aug 31, 1995	25.69	25.75	25.56	25.75
823	NASDAQ	AVT	Wed, Aug 30, 1995	25.19	25.50	25.19	25.50
822	NASDAQ	AVT	Tue, Aug 29, 1995	25.44	25.50	24.69	25.19
821	NASDAQ	AVT	Mon, Aug 28, 1995	25.88	25.88	25.44	25.50
820	NASDAQ	AVT	Fri, Aug 25, 1995	25.88	25.88	25.38	25.50
819	NASDAQ	AVT	Thu, Aug 24, 1995	26.13	26.19	25.63	25.75
818	NASDAQ	AVT	Wed, Aug 23, 1995	26.31	26.31	26.00	26.00
817	NASDAQ	AVT	Tue, Aug 22, 1995	25.88	26.31	25.88	26.31
816	NASDAQ	AVT	Mon, Aug 21, 1995	26.50	26.75	25.75	25.88
815	NASDAQ	AVT	Fri, Aug 18, 1995	26.38	26.50	26.25	26.31
814	NASDAQ	AVT	Thu, Aug 17, 1995	26.00	26.50	25.88	26.31
813	NASDAQ	AVT	Wed, Aug 16, 1995	25.69	26.06	25.56	26.00
812	NASDAQ	AVT	Tue, Aug 15, 1995	25.81	25.81	25.50	25.56
811	NASDAQ	AVT	Mon, Aug 14, 1995	25.94	26.25	25.88	25.94
810	NASDAQ	AVT	Fri, Aug 11, 1995	26.00	26.00	25.75	25.94
809	NASDAQ	AVT	Thu, Aug 10, 1995	25.69	25.88	25.56	25.81
808	NASDAQ	AVT	Wed, Aug 9, 1995	25.88	25.88	25.38	25.50
807	NASDAQ	AVT	Tue, Aug 8, 1995	26.13	26.38	25.94	25.94
806	NASDAQ	AVT	Mon, Aug 7, 1995	26.00	26.25	25.75	26.13
805	NASDAQ	AVT	Fri, Aug 4, 1995	25.06	25.25	24.94	25.13
804	NASDAQ	AVT	Thu, Aug 3, 1995	25.38	25.38	24.88	25.13
803	NASDAQ	AVT	Wed, Aug 2, 1995	25.69	26.13	25.44	25.44
802	NASDAQ	AVT	Tue, Aug 1, 1995	26.00	26.13	25.63	25.63
801	NASDAQ	AVT	Mon, Jul 31, 1995	26.00	26.13	25.88	26.00
800	NASDAQ	AVT	Fri, Jul 28, 1995	26.50	26.50	25.81	26.00
799	NASDAQ	AVT	Thu, Jul 27, 1995	25.94	26.50	25.75	26.44
798	NASDAQ	AVT	Wed, Jul 26, 1995	25.81	25.94	25.75	25.88
797	NASDAQ	AVT	Tue, Jul 25, 1995	25.31	25.75	25.13	25.69
796	NASDAQ	AVT	Mon, Jul 24, 1995	24.56	25.19	24.50	25.06
795	NASDAQ	AVT	Fri, Jul 21, 1995	24.31	24.69	24.31	24.56
794	NASDAQ	AVT	Thu, Jul 20, 1995	24.38	24.75	24.00	24.19
793	NASDAQ	AVT	Wed, Jul 19, 1995	25.13	25.13	23.75	24.50
792	NASDAQ	AVT	Tue, Jul 18, 1995	25.75	25.75	25.25	25.31
791	NASDAQ	AVT	Mon, Jul 17, 1995	25.75	25.75	25.50	25.75
790	NASDAQ	AVT	Fri, Jul 14, 1995	25.50	25.50	25.00	25.50
789	NASDAQ	AVT	Thu, Jul 13, 1995	25.50	25.50	25.31	25.38
788	NASDAQ	AVT	Wed, Jul 12, 1995	24.88	25.38	24.88	25.31
787	NASDAQ	AVT	Tue, Jul 11, 1995	25.25	25.31	24.81	24.81
786	NASDAQ	AVT	Mon, Jul 10, 1995	25.25	25.31	25.13	25.25
785	NASDAQ	AVT	Fri, Jul 7, 1995	24.44	25.00	24.44	24.94
784	NASDAQ	AVT	Thu, Jul 6, 1995	24.56	24.56	24.31	24.31
783	NASDAQ	AVT	Wed, Jul 5, 1995	24.06	24.50	24.06	24.50
782	NASDAQ	AVT	Mon, Jul 3, 1995	24.06	24.31	24.00	24.25
781	NASDAQ	AVT	Fri, Jun 30, 1995	24.25	24.38	24.13	24.13
780	NASDAQ	AVT	Thu, Jun 29, 1995	24.06	24.31	24.06	24.25
779	NASDAQ	AVT	Wed, Jun 28, 1995	24.00	24.25	23.69	23.94
778	NASDAQ	AVT	Tue, Jun 27, 1995	24.00	24.31	24.00	24.06
777	NASDAQ	AVT	Mon, Jun 26, 1995	24.38	24.44	24.00	24.00
776	NASDAQ	AVT	Fri, Jun 23, 1995	24.50	24.50	24.06	24.25
775	NASDAQ	AVT	Thu, Jun 22, 1995	24.50	24.75	24.44	24.63
774	NASDAQ	AVT	Wed, Jun 21, 1995	24.75	24.88	24.19	24.44
773	NASDAQ	AVT	Tue, Jun 20, 1995	23.75	24.50	23.75	24.44
772	NASDAQ	AVT	Mon, Jun 19, 1995	23.50	23.63	23.44	23.56
771	NASDAQ	AVT	Fri, Jun 16, 1995	23.50	23.56	23.38	23.38
770	NASDAQ	AVT	Thu, Jun 15, 1995	23.38	23.63	23.38	23.56
769	NASDAQ	AVT	Wed, Jun 14, 1995	22.88	23.25	22.75	23.13
768	NASDAQ	AVT	Tue, Jun 13, 1995	23.00	23.00	22.88	23.00
767	NASDAQ	AVT	Mon, Jun 12, 1995	22.69	22.81	22.56	22.75
766	NASDAQ	AVT	Fri, Jun 9, 1995	22.69	22.69	22.56	22.63
765	NASDAQ	AVT	Thu, Jun 8, 1995	22.94	23.00	22.88	22.88
764	NASDAQ	AVT	Wed, Jun 7, 1995	23.00	23.00	22.88	22.94
763	NASDAQ	AVT	Tue, Jun 6, 1995	23.00	23.13	22.75	22.88
762	NASDAQ	AVT	Mon, Jun 5, 1995	22.75	23.13	22.75	23.00
761	NASDAQ	AVT	Fri, Jun 2, 1995	22.50	22.94	22.31	22.63
760	NASDAQ	AVT	Thu, Jun 1, 1995	22.63	22.63	21.75	22.13
759	NASDAQ	AVT	Wed, May 31, 1995	22.81	22.81	22.25	22.75
758	NASDAQ	AVT	Tue, May 30, 1995	22.94	23.19	22.75	22.81
757	NASDAQ	AVT	Fri, May 26, 1995	22.81	23.00	22.75	22.94
756	NASDAQ	AVT	Thu, May 25, 1995	22.63	22.75	22.63	22.75
755	NASDAQ	AVT	Wed, May 24, 1995	22.81	22.88	22.31	22.50
754	NASDAQ	AVT	Tue, May 23, 1995	22.63	23.00	22.56	22.75
753	NASDAQ	AVT	Mon, May 22, 1995	22.25	22.56	22.25	22.56
752	NASDAQ	AVT	Fri, May 19, 1995	22.00	22.00	21.56	21.88
751	NASDAQ	AVT	Thu, May 18, 1995	22.25	22.25	21.94	22.06
750	NASDAQ	AVT	Wed, May 17, 1995	22.19	22.19	22.00	22.19
749	NASDAQ	AVT	Tue, May 16, 1995	22.13	22.13	21.81	22.06
748	NASDAQ	AVT	Mon, May 15, 1995	22.13	22.19	22.00	22.13
747	NASDAQ	AVT	Fri, May 12, 1995	22.06	22.25	21.88	21.88
746	NASDAQ	AVT	Thu, May 11, 1995	21.88	22.25	21.88	22.19
745	NASDAQ	AVT	Wed, May 10, 1995	22.06	22.31	21.88	21.88
744	NASDAQ	AVT	Tue, May 9, 1995	21.88	21.94	21.50	21.94
743	NASDAQ	AVT	Mon, May 8, 1995	21.75	21.75	21.38	21.75
742	NASDAQ	AVT	Fri, May 5, 1995	22.63	22.63	21.81	21.81
741	NASDAQ	AVT	Thu, May 4, 1995	22.50	22.63	22.44	22.50
740	NASDAQ	AVT	Wed, May 3, 1995	22.38	22.56	22.31	22.50
739	NASDAQ	AVT	Tue, May 2, 1995	22.25	22.44	22.13	22.44
738	NASDAQ	AVT	Mon, May 1, 1995	22.25	22.38	22.19	22.31
737	NASDAQ	AVT	Fri, Apr 28, 1995	22.50	22.50	22.19	22.25
736	NASDAQ	AVT	Thu, Apr 27, 1995	21.75	22.69	21.75	22.44
735	NASDAQ	AVT	Wed, Apr 26, 1995	21.63	21.81	21.38	21.69
734	NASDAQ	AVT	Tue, Apr 25, 1995	21.31	21.75	21.31	21.56
733	NASDAQ	AVT	Mon, Apr 24, 1995	20.63	21.44	20.63	21.44
732	NASDAQ	AVT	Fri, Apr 21, 1995	20.75	20.75	20.56	20.75
731	NASDAQ	AVT	Thu, Apr 20, 1995	20.25	20.50	20.13	20.50
730	NASDAQ	AVT	Wed, Apr 19, 1995	20.25	20.31	20.13	20.19
729	NASDAQ	AVT	Tue, Apr 18, 1995	20.38	20.44	20.25	20.38
728	NASDAQ	AVT	Mon, Apr 17, 1995	20.63	20.63	20.38	20.38
727	NASDAQ	AVT	Thu, Apr 13, 1995	20.06	20.38	20.06	20.31
726	NASDAQ	AVT	Wed, Apr 12, 1995	20.25	20.25	20.00	20.06
725	NASDAQ	AVT	Tue, Apr 11, 1995	20.38	20.38	20.13	20.19
724	NASDAQ	AVT	Mon, Apr 10, 1995	20.13	20.44	20.06	20.31
723	NASDAQ	AVT	Fri, Apr 7, 1995	20.38	20.38	20.19	20.19
722	NASDAQ	AVT	Thu, Apr 6, 1995	20.50	20.50	20.25	20.31
721	NASDAQ	AVT	Wed, Apr 5, 1995	20.25	20.44	20.13	20.44
720	NASDAQ	AVT	Tue, Apr 4, 1995	20.00	20.38	19.94	20.25
719	NASDAQ	AVT	Mon, Apr 3, 1995	20.13	20.13	20.00	20.00
718	NASDAQ	AVT	Fri, Mar 31, 1995	20.00	20.19	19.88	20.19
717	NASDAQ	AVT	Thu, Mar 30, 1995	20.75	20.88	20.00	20.06
716	NASDAQ	AVT	Wed, Mar 29, 1995	21.00	21.38	20.75	20.75
715	NASDAQ	AVT	Tue, Mar 28, 1995	20.88	21.06	20.81	20.94
714	NASDAQ	AVT	Mon, Mar 27, 1995	20.75	21.06	20.69	21.00
713	NASDAQ	AVT	Fri, Mar 24, 1995	20.38	20.81	20.38	20.63
712	NASDAQ	AVT	Thu, Mar 23, 1995	20.31	20.38	20.25	20.31
711	NASDAQ	AVT	Wed, Mar 22, 1995	20.44	20.44	20.25	20.25
710	NASDAQ	AVT	Tue, Mar 21, 1995	20.19	20.63	20.19	20.44
709	NASDAQ	AVT	Mon, Mar 20, 1995	20.25	20.25	20.13	20.13
708	NASDAQ	AVT	Fri, Mar 17, 1995	20.38	20.44	20.31	20.31
707	NASDAQ	AVT	Thu, Mar 16, 1995	20.44	20.69	20.44	20.50
706	NASDAQ	AVT	Wed, Mar 15, 1995	20.38	20.44	20.13	20.44
705	NASDAQ	AVT	Tue, Mar 14, 1995	20.56	20.81	20.31	20.31
704	NASDAQ	AVT	Mon, Mar 13, 1995	20.25	20.81	20.25	20.63
703	NASDAQ	AVT	Fri, Mar 10, 1995	19.63	20.50	19.63	20.38
702	NASDAQ	AVT	Thu, Mar 9, 1995	19.38	19.81	19.38	19.75
701	NASDAQ	AVT	Wed, Mar 8, 1995	19.38	19.63	19.13	19.31
700	NASDAQ	AVT	Tue, Mar 7, 1995	19.44	19.44	19.06	19.06
699	NASDAQ	AVT	Mon, Mar 6, 1995	19.50	19.56	19.25	19.44
698	NASDAQ	AVT	Fri, Mar 3, 1995	19.50	19.88	19.38	19.75
697	NASDAQ	AVT	Thu, Mar 2, 1995	19.50	19.56	19.31	19.44
696	NASDAQ	AVT	Wed, Mar 1, 1995	19.38	19.69	19.38	19.56
695	NASDAQ	AVT	Tue, Feb 28, 1995	19.13	19.38	19.13	19.38
694	NASDAQ	AVT	Mon, Feb 27, 1995	19.00	19.38	19.00	19.25
693	NASDAQ	AVT	Fri, Feb 24, 1995	19.06	19.06	19.00	19.00
692	NASDAQ	AVT	Thu, Feb 23, 1995	18.81	19.13	18.81	18.94
691	NASDAQ	AVT	Wed, Feb 22, 1995	18.81	19.00	18.75	18.81
690	NASDAQ	AVT	Tue, Feb 21, 1995	18.88	18.88	18.75	18.88
689	NASDAQ	AVT	Fri, Feb 17, 1995	18.94	18.94	18.69	18.75
688	NASDAQ	AVT	Thu, Feb 16, 1995	18.88	18.94	18.81	18.94
687	NASDAQ	AVT	Wed, Feb 15, 1995	18.81	19.06	18.63	19.06
686	NASDAQ	AVT	Tue, Feb 14, 1995	18.69	18.69	18.56	18.69
685	NASDAQ	AVT	Mon, Feb 13, 1995	18.38	18.75	18.38	18.50
684	NASDAQ	AVT	Fri, Feb 10, 1995	18.50	18.75	18.25	18.31
683	NASDAQ	AVT	Thu, Feb 9, 1995	18.31	18.69	18.31	18.44
682	NASDAQ	AVT	Wed, Feb 8, 1995	18.38	18.50	18.06	18.06
681	NASDAQ	AVT	Tue, Feb 7, 1995	18.50	18.50	18.06	18.13
680	NASDAQ	AVT	Mon, Feb 6, 1995	18.63	18.63	18.38	18.50
679	NASDAQ	AVT	Fri, Feb 3, 1995	18.31	18.56	18.31	18.50
678	NASDAQ	AVT	Thu, Feb 2, 1995	18.38	18.38	18.06	18.19
677	NASDAQ	AVT	Wed, Feb 1, 1995	18.50	18.63	18.06	18.25
676	NASDAQ	AVT	Tue, Jan 31, 1995	18.63	18.88	18.50	18.50
675	NASDAQ	AVT	Mon, Jan 30, 1995	18.81	18.94	18.69	18.75
674	NASDAQ	AVT	Fri, Jan 27, 1995	18.94	18.94	18.50	18.81
673	NASDAQ	AVT	Thu, Jan 26, 1995	19.13	19.19	19.00	19.00
672	NASDAQ	AVT	Wed, Jan 25, 1995	18.94	19.25	18.63	19.00
671	NASDAQ	AVT	Tue, Jan 24, 1995	18.94	19.00	18.88	18.94
670	NASDAQ	AVT	Mon, Jan 23, 1995	19.00	19.13	18.88	18.94
669	NASDAQ	AVT	Fri, Jan 20, 1995	19.56	19.56	18.94	19.00
668	NASDAQ	AVT	Thu, Jan 19, 1995	19.44	19.63	19.44	19.50
667	NASDAQ	AVT	Wed, Jan 18, 1995	19.69	19.69	19.44	19.56
666	NASDAQ	AVT	Tue, Jan 17, 1995	19.63	19.75	19.56	19.75
665	NASDAQ	AVT	Mon, Jan 16, 1995	19.50	19.69	19.50	19.69
664	NASDAQ	AVT	Fri, Jan 13, 1995	18.88	19.25	18.81	19.25
663	NASDAQ	AVT	Thu, Jan 12, 1995	18.75	18.94	18.75	18.81
662	NASDAQ	AVT	Wed, Jan 11, 1995	18.25	18.50	18.25	18.44
661	NASDAQ	AVT	Tue, Jan 10, 1995	18.50	18.50	17.88	17.88
660	NASDAQ	AVT	Mon, Jan 9, 1995	18.00	18.44	18.00	18.38
659	NASDAQ	AVT	Fri, Jan 6, 1995	18.13	18.25	18.00	18.06
658	NASDAQ	AVT	Thu, Jan 5, 1995	18.31	18.31	18.13	18.19
657	NASDAQ	AVT	Wed, Jan 4, 1995	18.19	18.31	18.00	18.31
656	NASDAQ	AVT	Tue, Jan 3, 1995	18.38	18.44	18.13	18.13
655	NASDAQ	AVT	Fri, Dec 30, 1994	18.31	18.50	18.31	18.50
654	NASDAQ	AVT	Thu, Dec 29, 1994	18.38	18.38	18.13	18.38
653	NASDAQ	AVT	Wed, Dec 28, 1994	18.44	18.56	18.13	18.31
652	NASDAQ	AVT	Tue, Dec 27, 1994	18.44	18.50	18.31	18.38
651	NASDAQ	AVT	Fri, Dec 23, 1994	18.44	18.50	18.38	18.44
650	NASDAQ	AVT	Thu, Dec 22, 1994	18.56	18.69	18.13	18.38
649	NASDAQ	AVT	Wed, Dec 21, 1994	18.00	18.50	18.00	18.38
648	NASDAQ	AVT	Tue, Dec 20, 1994	17.94	18.13	17.88	18.00
647	NASDAQ	AVT	Mon, Dec 19, 1994	17.75	18.00	17.75	17.94
646	NASDAQ	AVT	Fri, Dec 16, 1994	17.75	17.81	17.75	17.75
645	NASDAQ	AVT	Thu, Dec 15, 1994	17.38	17.88	17.38	17.81
644	NASDAQ	AVT	Wed, Dec 14, 1994	16.88	17.38	16.88	17.31
643	NASDAQ	AVT	Tue, Dec 13, 1994	16.94	17.00	16.88	16.94
642	NASDAQ	AVT	Mon, Dec 12, 1994	17.13	17.25	16.94	17.00
641	NASDAQ	AVT	Fri, Dec 9, 1994	17.00	17.19	17.00	17.00
640	NASDAQ	AVT	Thu, Dec 8, 1994	17.38	17.44	16.88	17.00
639	NASDAQ	AVT	Wed, Dec 7, 1994	17.25	17.63	17.19	17.44
638	NASDAQ	AVT	Tue, Dec 6, 1994	17.50	17.50	17.25	17.31
637	NASDAQ	AVT	Mon, Dec 5, 1994	17.38	17.44	17.31	17.44
636	NASDAQ	AVT	Fri, Dec 2, 1994	17.38	17.50	17.19	17.44
635	NASDAQ	AVT	Thu, Dec 1, 1994	17.94	17.94	17.25	17.31
634	NASDAQ	AVT	Wed, Nov 30, 1994	17.94	18.06	17.81	17.94
633	NASDAQ	AVT	Tue, Nov 29, 1994	18.19	18.19	17.81	17.81
632	NASDAQ	AVT	Mon, Nov 28, 1994	18.00	18.19	18.00	18.19
631	NASDAQ	AVT	Fri, Nov 25, 1994	17.88	18.00	17.88	17.88
630	NASDAQ	AVT	Wed, Nov 23, 1994	18.00	18.06	17.63	17.88
629	NASDAQ	AVT	Tue, Nov 22, 1994	18.50	18.50	18.13	18.13
628	NASDAQ	AVT	Mon, Nov 21, 1994	18.63	18.75	18.38	18.50
627	NASDAQ	AVT	Fri, Nov 18, 1994	18.88	18.88	18.63	18.69
626	NASDAQ	AVT	Thu, Nov 17, 1994	19.25	19.25	18.75	18.88
625	NASDAQ	AVT	Wed, Nov 16, 1994	19.25	19.25	19.19	19.25
624	NASDAQ	AVT	Tue, Nov 15, 1994	19.13	19.19	19.00	19.13
623	NASDAQ	AVT	Mon, Nov 14, 1994	19.00	19.13	19.00	19.13
622	NASDAQ	AVT	Fri, Nov 11, 1994	18.94	19.00	18.88	19.00
621	NASDAQ	AVT	Thu, Nov 10, 1994	18.88	19.00	18.88	19.00
620	NASDAQ	AVT	Wed, Nov 9, 1994	19.25	19.25	18.88	19.00
619	NASDAQ	AVT	Tue, Nov 8, 1994	19.06	19.13	19.00	19.13
618	NASDAQ	AVT	Mon, Nov 7, 1994	18.88	19.13	18.81	19.13
617	NASDAQ	AVT	Fri, Nov 4, 1994	19.31	19.31	18.88	18.88
616	NASDAQ	AVT	Thu, Nov 3, 1994	19.25	19.38	19.19	19.31
615	NASDAQ	AVT	Wed, Nov 2, 1994	19.00	19.50	19.00	19.19
614	NASDAQ	AVT	Tue, Nov 1, 1994	18.69	18.75	18.63	18.75
613	NASDAQ	AVT	Mon, Oct 31, 1994	18.88	18.94	18.75	18.75
612	NASDAQ	AVT	Fri, Oct 28, 1994	18.19	18.31	17.94	18.13
611	NASDAQ	AVT	Thu, Oct 27, 1994	18.13	18.44	18.13	18.25
610	NASDAQ	AVT	Wed, Oct 26, 1994	17.75	18.13	17.75	18.13
609	NASDAQ	AVT	Tue, Oct 25, 1994	17.69	17.81	17.56	17.63
608	NASDAQ	AVT	Mon, Oct 24, 1994	17.81	17.94	17.75	17.81
607	NASDAQ	AVT	Fri, Oct 21, 1994	18.00	18.00	17.75	17.75
606	NASDAQ	AVT	Thu, Oct 20, 1994	18.19	18.19	18.06	18.06
605	NASDAQ	AVT	Wed, Oct 19, 1994	18.06	18.25	17.94	18.19
604	NASDAQ	AVT	Tue, Oct 18, 1994	18.19	18.19	18.00	18.13
603	NASDAQ	AVT	Mon, Oct 17, 1994	18.19	18.25	18.19	18.19
602	NASDAQ	AVT	Fri, Oct 14, 1994	18.25	18.25	18.19	18.19
601	NASDAQ	AVT	Thu, Oct 13, 1994	18.13	18.25	18.13	18.25
600	NASDAQ	AVT	Wed, Oct 12, 1994	18.25	18.31	18.06	18.06
599	NASDAQ	AVT	Tue, Oct 11, 1994	18.00	18.56	18.00	18.25
598	NASDAQ	AVT	Mon, Oct 10, 1994	17.63	17.88	17.63	17.88
597	NASDAQ	AVT	Fri, Oct 7, 1994	17.38	17.56	17.31	17.50
596	NASDAQ	AVT	Thu, Oct 6, 1994	17.19	17.38	17.13	17.38
595	NASDAQ	AVT	Wed, Oct 5, 1994	17.25	17.25	16.88	16.94
594	NASDAQ	AVT	Tue, Oct 4, 1994	17.75	17.75	17.19	17.19
593	NASDAQ	AVT	Mon, Oct 3, 1994	18.38	18.41	17.75	17.81
592	NASDAQ	AVT	Fri, Sep 30, 1994	18.31	18.44	18.19	18.38
591	NASDAQ	AVT	Thu, Sep 29, 1994	18.38	18.38	18.19	18.31
590	NASDAQ	AVT	Wed, Sep 28, 1994	18.63	18.69	18.00	18.31
589	NASDAQ	AVT	Tue, Sep 27, 1994	18.75	18.81	18.44	18.56
588	NASDAQ	AVT	Mon, Sep 26, 1994	18.63	18.75	18.44	18.63
587	NASDAQ	AVT	Fri, Sep 23, 1994	18.75	19.00	18.69	18.75
586	NASDAQ	AVT	Thu, Sep 22, 1994	19.06	19.06	18.69	18.75
585	NASDAQ	AVT	Wed, Sep 21, 1994	19.00	19.13	18.88	18.94
584	NASDAQ	AVT	Tue, Sep 20, 1994	18.88	19.13	18.81	19.00
583	NASDAQ	AVT	Mon, Sep 19, 1994	18.75	18.94	18.63	18.88
582	NASDAQ	AVT	Fri, Sep 16, 1994	18.63	18.81	18.44	18.81
581	NASDAQ	AVT	Thu, Sep 15, 1994	18.25	18.63	18.13	18.63
580	NASDAQ	AVT	Wed, Sep 14, 1994	18.13	18.31	18.06	18.25
579	NASDAQ	AVT	Tue, Sep 13, 1994	18.06	18.19	18.06	18.13
578	NASDAQ	AVT	Mon, Sep 12, 1994	18.19	18.19	17.94	17.94
577	NASDAQ	AVT	Fri, Sep 9, 1994	18.50	18.50	18.31	18.31
576	NASDAQ	AVT	Thu, Sep 8, 1994	18.50	18.63	18.38	18.50
575	NASDAQ	AVT	Wed, Sep 7, 1994	18.38	18.50	18.19	18.50
574	NASDAQ	AVT	Tue, Sep 6, 1994	18.25	18.38	18.25	18.31
573	NASDAQ	AVT	Fri, Sep 2, 1994	18.19	18.38	18.13	18.19
572	NASDAQ	AVT	Thu, Sep 1, 1994	18.44	18.50	18.00	18.31
571	NASDAQ	AVT	Wed, Aug 31, 1994	18.56	18.56	18.44	18.56
570	NASDAQ	AVT	Tue, Aug 30, 1994	18.75	18.75	18.38	18.56
569	NASDAQ	AVT	Mon, Aug 29, 1994	18.50	18.75	18.31	18.69
568	NASDAQ	AVT	Fri, Aug 26, 1994	18.63	18.75	18.38	18.38
567	NASDAQ	AVT	Thu, Aug 25, 1994	18.50	18.69	18.38	18.44
566	NASDAQ	AVT	Wed, Aug 24, 1994	18.69	18.69	18.50	18.50
565	NASDAQ	AVT	Tue, Aug 23, 1994	18.75	18.81	18.56	18.69
564	NASDAQ	AVT	Mon, Aug 22, 1994	18.63	18.75	18.63	18.69
563	NASDAQ	AVT	Fri, Aug 19, 1994	18.75	18.75	18.56	18.63
562	NASDAQ	AVT	Thu, Aug 18, 1994	19.13	19.19	18.75	18.75
561	NASDAQ	AVT	Wed, Aug 17, 1994	18.63	19.19	18.63	19.13
560	NASDAQ	AVT	Tue, Aug 16, 1994	18.56	18.56	18.31	18.50
559	NASDAQ	AVT	Mon, Aug 15, 1994	18.38	18.69	18.38	18.56
558	NASDAQ	AVT	Fri, Aug 12, 1994	18.50	18.63	18.25	18.31
557	NASDAQ	AVT	Thu, Aug 11, 1994	17.19	18.31	17.19	18.19
556	NASDAQ	AVT	Wed, Aug 10, 1994	16.56	17.25	16.50	17.19
555	NASDAQ	AVT	Tue, Aug 9, 1994	16.56	16.75	16.50	16.63
554	NASDAQ	AVT	Mon, Aug 8, 1994	16.50	16.63	16.44	16.50
553	NASDAQ	AVT	Fri, Aug 5, 1994	16.75	16.75	16.44	16.50
552	NASDAQ	AVT	Thu, Aug 4, 1994	17.25	17.38	16.75	16.88
551	NASDAQ	AVT	Wed, Aug 3, 1994	17.25	17.31	17.06	17.25
550	NASDAQ	AVT	Tue, Aug 2, 1994	17.25	17.63	17.19	17.19
549	NASDAQ	AVT	Mon, Aug 1, 1994	16.88	17.25	16.81	17.25
548	NASDAQ	AVT	Fri, Jul 29, 1994	16.44	16.88	16.31	16.75
547	NASDAQ	AVT	Thu, Jul 28, 1994	16.38	16.50	16.31	16.38
546	NASDAQ	AVT	Wed, Jul 27, 1994	16.25	16.44	16.25	16.38
545	NASDAQ	AVT	Tue, Jul 26, 1994	15.94	16.50	15.94	16.38
544	NASDAQ	AVT	Mon, Jul 25, 1994	15.88	16.06	15.75	15.94
543	NASDAQ	AVT	Fri, Jul 22, 1994	16.06	16.13	15.81	15.81
542	NASDAQ	AVT	Thu, Jul 21, 1994	16.25	16.38	16.06	16.13
541	NASDAQ	AVT	Wed, Jul 20, 1994	16.19	16.31	16.13	16.31
540	NASDAQ	AVT	Tue, Jul 19, 1994	16.19	16.50	16.13	16.25
539	NASDAQ	AVT	Mon, Jul 18, 1994	16.31	16.31	16.25	16.31
538	NASDAQ	AVT	Fri, Jul 15, 1994	16.69	16.69	16.25	16.31
537	NASDAQ	AVT	Thu, Jul 14, 1994	16.31	16.88	16.31	16.63
536	NASDAQ	AVT	Wed, Jul 13, 1994	16.31	16.50	16.13	16.19
535	NASDAQ	AVT	Tue, Jul 12, 1994	16.44	16.44	16.19	16.25
534	NASDAQ	AVT	Mon, Jul 11, 1994	16.69	16.69	16.50	16.56
533	NASDAQ	AVT	Fri, Jul 8, 1994	16.63	16.63	16.50	16.56
532	NASDAQ	AVT	Thu, Jul 7, 1994	16.63	16.69	16.50	16.63
531	NASDAQ	AVT	Wed, Jul 6, 1994	16.38	16.69	16.38	16.63
530	NASDAQ	AVT	Tue, Jul 5, 1994	16.13	16.50	16.00	16.50
529	NASDAQ	AVT	Fri, Jul 1, 1994	15.94	16.00	15.94	15.94
528	NASDAQ	AVT	Thu, Jun 30, 1994	15.94	16.00	15.75	15.75
527	NASDAQ	AVT	Wed, Jun 29, 1994	16.25	16.31	16.00	16.00
526	NASDAQ	AVT	Tue, Jun 28, 1994	16.06	16.88	16.06	16.31
525	NASDAQ	AVT	Mon, Jun 27, 1994	16.06	16.13	15.88	16.06
524	NASDAQ	AVT	Fri, Jun 24, 1994	16.31	16.50	16.13	16.13
523	NASDAQ	AVT	Thu, Jun 23, 1994	16.56	16.56	16.31	16.31
522	NASDAQ	AVT	Wed, Jun 22, 1994	16.56	16.63	16.44	16.56
521	NASDAQ	AVT	Tue, Jun 21, 1994	16.63	16.63	16.50	16.56
520	NASDAQ	AVT	Mon, Jun 20, 1994	16.50	16.69	16.50	16.56
519	NASDAQ	AVT	Fri, Jun 17, 1994	16.75	16.94	16.75	16.75
518	NASDAQ	AVT	Thu, Jun 16, 1994	17.00	17.00	16.75	16.75
517	NASDAQ	AVT	Wed, Jun 15, 1994	16.94	17.06	16.94	17.00
516	NASDAQ	AVT	Tue, Jun 14, 1994	16.88	17.06	16.63	16.94
515	NASDAQ	AVT	Mon, Jun 13, 1994	16.75	16.88	16.63	16.81
514	NASDAQ	AVT	Fri, Jun 10, 1994	16.38	17.19	16.38	16.88
513	NASDAQ	AVT	Thu, Jun 9, 1994	16.56	16.56	16.25	16.38
512	NASDAQ	AVT	Wed, Jun 8, 1994	17.25	17.31	16.50	16.56
511	NASDAQ	AVT	Tue, Jun 7, 1994	17.25	17.44	17.13	17.19
510	NASDAQ	AVT	Mon, Jun 6, 1994	17.25	17.50	17.25	17.44
509	NASDAQ	AVT	Fri, Jun 3, 1994	16.94	17.88	16.94	17.44
508	NASDAQ	AVT	Thu, Jun 2, 1994	17.00	17.06	16.75	16.94
507	NASDAQ	AVT	Wed, Jun 1, 1994	16.88	17.00	16.75	17.00
506	NASDAQ	AVT	Tue, May 31, 1994	17.06	17.06	16.75	16.81
505	NASDAQ	AVT	Fri, May 27, 1994	16.88	17.13	16.88	17.06
504	NASDAQ	AVT	Thu, May 26, 1994	16.75	16.94	16.75	16.88
503	NASDAQ	AVT	Wed, May 25, 1994	17.25	17.25	16.94	17.00
502	NASDAQ	AVT	Tue, May 24, 1994	17.00	17.38	17.00	17.38
501	NASDAQ	AVT	Mon, May 23, 1994	16.81	16.88	16.75	16.88
500	NASDAQ	AVT	Fri, May 20, 1994	16.81	17.00	16.50	16.75
499	NASDAQ	AVT	Thu, May 19, 1994	16.63	16.88	16.25	16.88
498	NASDAQ	AVT	Wed, May 18, 1994	16.00	16.81	15.88	16.50
497	NASDAQ	AVT	Tue, May 17, 1994	15.75	15.94	15.38	15.94
496	NASDAQ	AVT	Mon, May 16, 1994	16.06	16.06	15.75	15.75
495	NASDAQ	AVT	Fri, May 13, 1994	16.44	16.56	16.00	16.00
494	NASDAQ	AVT	Thu, May 12, 1994	16.63	16.81	16.63	16.63
493	NASDAQ	AVT	Wed, May 11, 1994	17.25	17.25	16.69	16.69
492	NASDAQ	AVT	Tue, May 10, 1994	16.88	17.06	16.81	17.06
491	NASDAQ	AVT	Mon, May 9, 1994	17.13	17.19	16.63	16.75
490	NASDAQ	AVT	Fri, May 6, 1994	17.06	17.13	16.94	17.13
489	NASDAQ	AVT	Thu, May 5, 1994	17.25	17.31	17.06	17.25
488	NASDAQ	AVT	Wed, May 4, 1994	17.44	17.44	17.13	17.25
487	NASDAQ	AVT	Tue, May 3, 1994	17.38	17.44	17.31	17.44
486	NASDAQ	AVT	Mon, May 2, 1994	17.88	17.94	17.38	17.44
485	NASDAQ	AVT	Fri, Apr 29, 1994	18.38	18.38	18.00	18.00
484	NASDAQ	AVT	Thu, Apr 28, 1994	18.69	18.81	18.31	18.44
483	NASDAQ	AVT	Tue, Apr 26, 1994	18.69	18.69	18.38	18.56
482	NASDAQ	AVT	Mon, Apr 25, 1994	18.13	18.50	18.00	18.44
481	NASDAQ	AVT	Fri, Apr 22, 1994	18.19	18.31	18.00	18.06
480	NASDAQ	AVT	Thu, Apr 21, 1994	17.75	18.19	17.63	18.06
479	NASDAQ	AVT	Wed, Apr 20, 1994	17.94	18.00	17.50	17.56
478	NASDAQ	AVT	Tue, Apr 19, 1994	18.06	18.06	17.81	17.81
477	NASDAQ	AVT	Mon, Apr 18, 1994	18.19	18.25	17.75	17.94
476	NASDAQ	AVT	Fri, Apr 15, 1994	18.50	18.63	18.25	18.31
475	NASDAQ	AVT	Thu, Apr 14, 1994	19.06	19.06	18.75	18.75
474	NASDAQ	AVT	Wed, Apr 13, 1994	19.38	19.56	18.88	19.13
473	NASDAQ	AVT	Tue, Apr 12, 1994	19.63	19.69	19.25	19.38
472	NASDAQ	AVT	Mon, Apr 11, 1994	19.38	19.81	19.38	19.69
471	NASDAQ	AVT	Fri, Apr 8, 1994	19.88	20.00	19.63	19.75
470	NASDAQ	AVT	Thu, Apr 7, 1994	19.88	20.00	19.69	20.00
469	NASDAQ	AVT	Wed, Apr 6, 1994	19.38	20.00	19.38	20.00
468	NASDAQ	AVT	Tue, Apr 5, 1994	19.06	19.88	19.06	19.50
467	NASDAQ	AVT	Mon, Apr 4, 1994	18.88	18.94	18.63	18.81
466	NASDAQ	AVT	Thu, Mar 31, 1994	19.25	19.31	18.75	19.06
465	NASDAQ	AVT	Wed, Mar 30, 1994	19.69	19.69	18.88	19.38
464	NASDAQ	AVT	Tue, Mar 29, 1994	20.13	20.19	19.63	19.81
463	NASDAQ	AVT	Mon, Mar 28, 1994	20.88	20.88	20.13	20.25
462	NASDAQ	AVT	Fri, Mar 25, 1994	21.25	21.50	21.00	21.00
461	NASDAQ	AVT	Thu, Mar 24, 1994	21.38	21.50	20.94	21.13
460	NASDAQ	AVT	Wed, Mar 23, 1994	22.06	22.25	21.25	21.25
459	NASDAQ	AVT	Tue, Mar 22, 1994	22.44	22.44	22.06	22.06
458	NASDAQ	AVT	Mon, Mar 21, 1994	22.06	22.50	22.00	22.38
457	NASDAQ	AVT	Fri, Mar 18, 1994	21.88	22.06	21.75	22.00
456	NASDAQ	AVT	Thu, Mar 17, 1994	21.75	21.88	21.69	21.81
455	NASDAQ	AVT	Wed, Mar 16, 1994	21.63	21.94	21.63	21.69
454	NASDAQ	AVT	Tue, Mar 15, 1994	21.31	21.81	21.25	21.50
453	NASDAQ	AVT	Mon, Mar 14, 1994	21.00	21.31	21.00	21.31
452	NASDAQ	AVT	Fri, Mar 11, 1994	21.25	21.38	21.13	21.13
451	NASDAQ	AVT	Thu, Mar 10, 1994	21.44	21.44	21.13	21.38
450	NASDAQ	AVT	Wed, Mar 9, 1994	21.19	21.31	20.94	21.31
449	NASDAQ	AVT	Tue, Mar 8, 1994	20.75	21.13	20.75	21.00
448	NASDAQ	AVT	Mon, Mar 7, 1994	20.88	21.06	20.63	20.88
447	NASDAQ	AVT	Fri, Mar 4, 1994	21.25	21.38	20.94	20.94
446	NASDAQ	AVT	Thu, Mar 3, 1994	21.06	21.25	21.06	21.19
445	NASDAQ	AVT	Wed, Mar 2, 1994	20.75	21.19	20.25	21.19
444	NASDAQ	AVT	Tue, Mar 1, 1994	21.63	21.75	20.88	21.00
443	NASDAQ	AVT	Mon, Feb 28, 1994	21.25	21.75	21.13	21.63
442	NASDAQ	AVT	Fri, Feb 25, 1994	21.38	21.50	21.13	21.25
441	NASDAQ	AVT	Thu, Feb 24, 1994	21.38	21.44	21.06	21.31
440	NASDAQ	AVT	Wed, Feb 23, 1994	21.56	22.00	21.38	21.50
439	NASDAQ	AVT	Tue, Feb 22, 1994	20.56	21.56	20.44	21.56
438	NASDAQ	AVT	Fri, Feb 18, 1994	20.38	20.56	20.25	20.50
437	NASDAQ	AVT	Thu, Feb 17, 1994	21.00	21.06	20.06	20.31
436	NASDAQ	AVT	Wed, Feb 16, 1994	21.00	21.00	20.69	20.88
435	NASDAQ	AVT	Tue, Feb 15, 1994	20.56	21.00	20.44	21.00
434	NASDAQ	AVT	Mon, Feb 14, 1994	20.38	20.75	20.38	20.56
433	NASDAQ	AVT	Fri, Feb 11, 1994	20.44	20.63	20.31	20.44
432	NASDAQ	AVT	Thu, Feb 10, 1994	20.75	20.75	20.44	20.50
431	NASDAQ	AVT	Wed, Feb 9, 1994	20.25	20.88	20.25	20.44
430	NASDAQ	AVT	Tue, Feb 8, 1994	19.94	20.38	19.81	20.31
429	NASDAQ	AVT	Mon, Feb 7, 1994	19.81	20.13	19.69	20.00
428	NASDAQ	AVT	Fri, Feb 4, 1994	20.31	20.31	19.88	19.88
427	NASDAQ	AVT	Thu, Feb 3, 1994	20.31	20.31	20.19	20.31
426	NASDAQ	AVT	Wed, Feb 2, 1994	20.44	20.56	20.25	20.25
425	NASDAQ	AVT	Tue, Feb 1, 1994	20.50	20.63	20.31	20.44
424	NASDAQ	AVT	Mon, Jan 31, 1994	20.75	20.81	20.63	20.63
423	NASDAQ	AVT	Fri, Jan 28, 1994	20.69	20.69	20.25	20.63
422	NASDAQ	AVT	Thu, Jan 27, 1994	20.50	20.75	20.44	20.63
421	NASDAQ	AVT	Wed, Jan 26, 1994	20.38	20.38	20.19	20.38
420	NASDAQ	AVT	Tue, Jan 25, 1994	20.81	20.88	20.25	20.31
419	NASDAQ	AVT	Mon, Jan 24, 1994	20.63	21.06	20.63	20.94
418	NASDAQ	AVT	Fri, Jan 21, 1994	20.44	20.75	20.44	20.75
417	NASDAQ	AVT	Thu, Jan 20, 1994	20.06	20.38	20.06	20.31
416	NASDAQ	AVT	Wed, Jan 19, 1994	19.81	20.44	19.75	20.13
415	NASDAQ	AVT	Tue, Jan 18, 1994	19.31	19.88	19.19	19.75
414	NASDAQ	AVT	Mon, Jan 17, 1994	19.38	19.38	19.13	19.31
413	NASDAQ	AVT	Fri, Jan 14, 1994	19.38	19.75	19.38	19.50
412	NASDAQ	AVT	Thu, Jan 13, 1994	19.56	19.81	19.31	19.31
411	NASDAQ	AVT	Wed, Jan 12, 1994	19.75	19.75	19.50	19.56
410	NASDAQ	AVT	Tue, Jan 11, 1994	19.19	19.31	19.00	19.25
409	NASDAQ	AVT	Mon, Jan 10, 1994	19.31	19.38	19.25	19.31
408	NASDAQ	AVT	Fri, Jan 7, 1994	19.06	19.31	18.88	19.31
407	NASDAQ	AVT	Thu, Jan 6, 1994	19.13	19.19	18.88	19.00
406	NASDAQ	AVT	Wed, Jan 5, 1994	19.06	19.13	18.63	19.00
405	NASDAQ	AVT	Tue, Jan 4, 1994	18.88	19.00	18.38	19.00
404	NASDAQ	AVT	Mon, Jan 3, 1994	19.56	19.56	18.81	18.81
403	NASDAQ	AVT	Fri, Dec 31, 1993	19.56	19.63	19.38	19.50
402	NASDAQ	AVT	Thu, Dec 30, 1993	19.44	19.56	19.25	19.56
401	NASDAQ	AVT	Wed, Dec 29, 1993	20.00	20.00	19.50	19.50
400	NASDAQ	AVT	Tue, Dec 28, 1993	19.88	20.00	19.69	20.00
399	NASDAQ	AVT	Mon, Dec 27, 1993	20.00	20.00	19.81	19.81
398	NASDAQ	AVT	Thu, Dec 23, 1993	20.00	20.06	19.88	20.00
397	NASDAQ	AVT	Wed, Dec 22, 1993	19.63	20.25	19.63	19.94
396	NASDAQ	AVT	Tue, Dec 21, 1993	19.19	19.63	19.13	19.63
395	NASDAQ	AVT	Mon, Dec 20, 1993	19.00	19.25	19.00	19.25
394	NASDAQ	AVT	Fri, Dec 17, 1993	18.81	18.94	18.81	18.94
393	NASDAQ	AVT	Thu, Dec 16, 1993	18.50	18.94	18.50	18.88
392	NASDAQ	AVT	Wed, Dec 15, 1993	18.63	18.63	18.00	18.38
391	NASDAQ	AVT	Tue, Dec 14, 1993	18.25	18.69	18.25	18.63
390	NASDAQ	AVT	Mon, Dec 13, 1993	17.75	18.50	17.63	18.38
389	NASDAQ	AVT	Fri, Dec 10, 1993	18.00	18.00	17.56	17.75
388	NASDAQ	AVT	Thu, Dec 9, 1993	18.06	18.25	18.00	18.19
387	NASDAQ	AVT	Wed, Dec 8, 1993	17.75	18.13	17.69	18.06
386	NASDAQ	AVT	Tue, Dec 7, 1993	17.75	17.81	17.63	17.63
385	NASDAQ	AVT	Mon, Dec 6, 1993	18.38	18.38	17.75	17.94
384	NASDAQ	AVT	Fri, Dec 3, 1993	18.38	18.56	18.38	18.56
383	NASDAQ	AVT	Thu, Dec 2, 1993	18.44	18.69	18.25	18.25
382	NASDAQ	AVT	Wed, Dec 1, 1993	18.19	18.63	18.19	18.44
381	NASDAQ	AVT	Tue, Nov 30, 1993	17.63	18.38	17.44	18.13
380	NASDAQ	AVT	Mon, Nov 29, 1993	17.56	17.75	17.50	17.56
379	NASDAQ	AVT	Fri, Nov 26, 1993	17.44	17.63	17.44	17.63
378	NASDAQ	AVT	Wed, Nov 24, 1993	17.44	17.69	17.38	17.50
377	NASDAQ	AVT	Tue, Nov 23, 1993	17.50	17.50	17.25	17.38
376	NASDAQ	AVT	Mon, Nov 22, 1993	17.94	17.94	17.38	17.38
375	NASDAQ	AVT	Fri, Nov 19, 1993	18.13	18.19	17.94	18.00
374	NASDAQ	AVT	Thu, Nov 18, 1993	18.25	18.38	18.19	18.19
373	NASDAQ	AVT	Wed, Nov 17, 1993	18.44	18.44	18.25	18.38
372	NASDAQ	AVT	Tue, Nov 16, 1993	18.56	18.63	18.19	18.25
371	NASDAQ	AVT	Mon, Nov 15, 1993	18.63	18.75	18.50	18.63
370	NASDAQ	AVT	Fri, Nov 12, 1993	18.69	18.81	18.56	18.75
369	NASDAQ	AVT	Thu, Nov 11, 1993	18.63	18.88	18.56	18.56
368	NASDAQ	AVT	Wed, Nov 10, 1993	18.25	19.00	18.25	18.75
367	NASDAQ	AVT	Tue, Nov 9, 1993	18.00	18.19	18.00	18.19
366	NASDAQ	AVT	Mon, Nov 8, 1993	17.94	18.13	17.88	18.13
365	NASDAQ	AVT	Fri, Nov 5, 1993	17.94	18.06	17.69	17.88
364	NASDAQ	AVT	Thu, Nov 4, 1993	17.88	18.13	17.81	17.88
363	NASDAQ	AVT	Wed, Nov 3, 1993	19.00	19.00	17.81	17.88
362	NASDAQ	AVT	Tue, Nov 2, 1993	19.38	19.38	19.00	19.00
361	NASDAQ	AVT	Mon, Nov 1, 1993	19.63	20.00	19.50	19.75
360	NASDAQ	AVT	Fri, Oct 29, 1993	19.31	19.63	19.31	19.63
359	NASDAQ	AVT	Thu, Oct 28, 1993	19.44	19.63	19.25	19.38
358	NASDAQ	AVT	Wed, Oct 27, 1993	18.75	19.56	18.69	19.56
357	NASDAQ	AVT	Tue, Oct 26, 1993	18.44	18.88	18.44	18.88
356	NASDAQ	AVT	Mon, Oct 25, 1993	18.75	18.81	18.50	18.56
355	NASDAQ	AVT	Fri, Oct 22, 1993	18.81	19.19	18.81	19.00
354	NASDAQ	AVT	Thu, Oct 21, 1993	18.38	18.81	18.38	18.81
353	NASDAQ	AVT	Wed, Oct 20, 1993	18.50	18.63	18.19	18.19
352	NASDAQ	AVT	Tue, Oct 19, 1993	18.81	18.94	18.50	18.50
351	NASDAQ	AVT	Mon, Oct 18, 1993	18.88	19.00	18.88	18.88
350	NASDAQ	AVT	Fri, Oct 15, 1993	18.81	19.06	18.75	19.06
349	NASDAQ	AVT	Thu, Oct 14, 1993	19.19	19.19	18.63	18.63
348	NASDAQ	AVT	Wed, Oct 13, 1993	19.50	19.56	19.00	19.13
347	NASDAQ	AVT	Tue, Oct 12, 1993	20.06	20.31	20.06	20.31
346	NASDAQ	AVT	Mon, Oct 11, 1993	19.88	20.13	19.81	19.88
345	NASDAQ	AVT	Fri, Oct 8, 1993	19.50	19.75	19.44	19.75
344	NASDAQ	AVT	Thu, Oct 7, 1993	19.81	19.81	19.44	19.50
343	NASDAQ	AVT	Wed, Oct 6, 1993	19.81	19.94	19.69	19.75
342	NASDAQ	AVT	Tue, Oct 5, 1993	20.63	20.81	19.56	19.75
341	NASDAQ	AVT	Mon, Oct 4, 1993	20.38	20.69	20.25	20.69
340	NASDAQ	AVT	Fri, Oct 1, 1993	20.50	20.56	20.25	20.25
339	NASDAQ	AVT	Thu, Sep 30, 1993	20.81	21.00	20.63	20.63
338	NASDAQ	AVT	Wed, Sep 29, 1993	21.00	21.13	20.75	20.94
337	NASDAQ	AVT	Tue, Sep 28, 1993	20.13	21.13	20.13	21.13
336	NASDAQ	AVT	Mon, Sep 27, 1993	19.75	20.25	19.69	20.13
335	NASDAQ	AVT	Fri, Sep 24, 1993	19.88	20.06	19.75	19.75
334	NASDAQ	AVT	Thu, Sep 23, 1993	19.31	20.00	19.31	19.94
333	NASDAQ	AVT	Wed, Sep 22, 1993	19.06	19.31	19.06	19.31
332	NASDAQ	AVT	Tue, Sep 21, 1993	19.50	19.50	19.06	19.06
331	NASDAQ	AVT	Mon, Sep 20, 1993	19.50	19.69	19.31	19.50
330	NASDAQ	AVT	Fri, Sep 17, 1993	19.13	19.63	19.13	19.50
329	NASDAQ	AVT	Thu, Sep 16, 1993	19.63	19.63	19.13	19.31
328	NASDAQ	AVT	Wed, Sep 15, 1993	19.06	19.75	19.06	19.63
327	NASDAQ	AVT	Tue, Sep 14, 1993	19.31	19.38	19.00	19.06
326	NASDAQ	AVT	Mon, Sep 13, 1993	19.81	19.81	19.50	19.50
325	NASDAQ	AVT	Fri, Sep 10, 1993	19.75	19.81	19.69	19.81
324	NASDAQ	AVT	Thu, Sep 9, 1993	18.88	19.75	18.88	19.75
323	NASDAQ	AVT	Wed, Sep 8, 1993	19.19	19.19	18.63	18.81
322	NASDAQ	AVT	Tue, Sep 7, 1993	19.81	19.81	19.06	19.19
321	NASDAQ	AVT	Fri, Sep 3, 1993	20.06	20.06	19.81	19.94
320	NASDAQ	AVT	Thu, Sep 2, 1993	20.19	20.31	20.06	20.13
319	NASDAQ	AVT	Wed, Sep 1, 1993	20.25	20.31	20.13	20.25
318	NASDAQ	AVT	Tue, Aug 31, 1993	20.00	20.56	20.00	20.38
317	NASDAQ	AVT	Mon, Aug 30, 1993	19.63	20.13	19.56	20.00
316	NASDAQ	AVT	Fri, Aug 27, 1993	19.88	20.00	19.50	19.56
315	NASDAQ	AVT	Thu, Aug 26, 1993	20.00	20.06	19.94	20.00
314	NASDAQ	AVT	Wed, Aug 25, 1993	20.50	20.50	19.94	20.00
313	NASDAQ	AVT	Tue, Aug 24, 1993	20.75	20.88	20.50	20.50
312	NASDAQ	AVT	Mon, Aug 23, 1993	20.56	20.69	20.38	20.69
311	NASDAQ	AVT	Fri, Aug 20, 1993	20.50	20.69	20.38	20.56
310	NASDAQ	AVT	Thu, Aug 19, 1993	20.50	20.63	20.38	20.63
309	NASDAQ	AVT	Wed, Aug 18, 1993	20.50	20.56	20.31	20.50
308	NASDAQ	AVT	Tue, Aug 17, 1993	19.00	19.63	19.00	19.63
307	NASDAQ	AVT	Mon, Aug 16, 1993	19.00	19.06	18.88	19.00
306	NASDAQ	AVT	Fri, Aug 13, 1993	18.88	19.06	18.88	19.00
305	NASDAQ	AVT	Thu, Aug 12, 1993	19.19	19.19	18.75	19.00
304	NASDAQ	AVT	Wed, Aug 11, 1993	18.25	19.50	18.25	19.31
303	NASDAQ	AVT	Tue, Aug 10, 1993	17.50	17.94	17.44	17.69
302	NASDAQ	AVT	Mon, Aug 9, 1993	17.13	17.38	17.06	17.38
301	NASDAQ	AVT	Fri, Aug 6, 1993	17.13	17.13	16.88	17.06
300	NASDAQ	AVT	Thu, Aug 5, 1993	17.50	17.50	17.06	17.06
299	NASDAQ	AVT	Wed, Aug 4, 1993	17.50	17.50	17.38	17.44
298	NASDAQ	AVT	Tue, Aug 3, 1993	17.25	17.50	17.25	17.50
297	NASDAQ	AVT	Mon, Aug 2, 1993	16.94	17.25	16.94	17.25
296	NASDAQ	AVT	Fri, Jul 30, 1993	17.06	17.13	16.88	16.94
295	NASDAQ	AVT	Thu, Jul 29, 1993	16.88	17.19	16.88	17.06
294	NASDAQ	AVT	Wed, Jul 28, 1993	16.63	17.25	16.63	16.88
293	NASDAQ	AVT	Tue, Jul 27, 1993	16.50	16.75	16.50	16.69
292	NASDAQ	AVT	Mon, Jul 26, 1993	16.44	16.63	16.31	16.50
291	NASDAQ	AVT	Fri, Jul 23, 1993	16.38	16.38	16.25	16.31
290	NASDAQ	AVT	Thu, Jul 22, 1993	16.50	16.63	16.31	16.31
289	NASDAQ	AVT	Wed, Jul 21, 1993	16.06	16.19	15.63	16.19
288	NASDAQ	AVT	Tue, Jul 20, 1993	16.19	16.19	15.94	15.94
287	NASDAQ	AVT	Mon, Jul 19, 1993	16.56	16.63	16.06	16.13
286	NASDAQ	AVT	Fri, Jul 16, 1993	16.94	17.00	16.31	16.44
285	NASDAQ	AVT	Thu, Jul 15, 1993	17.13	17.13	16.81	16.81
284	NASDAQ	AVT	Wed, Jul 14, 1993	17.06	17.25	17.06	17.25
283	NASDAQ	AVT	Tue, Jul 13, 1993	17.25	17.25	16.88	17.13
282	NASDAQ	AVT	Mon, Jul 12, 1993	16.94	17.25	16.81	17.19
281	NASDAQ	AVT	Fri, Jul 9, 1993	17.38	17.81	16.63	16.94
280	NASDAQ	AVT	Thu, Jul 8, 1993	16.81	17.06	16.75	17.06
279	NASDAQ	AVT	Wed, Jul 7, 1993	16.88	17.00	16.75	16.94
278	NASDAQ	AVT	Tue, Jul 6, 1993	17.13	17.19	16.75	16.75
277	NASDAQ	AVT	Fri, Jul 2, 1993	17.13	17.19	17.00	17.06
276	NASDAQ	AVT	Thu, Jul 1, 1993	17.13	17.19	17.00	17.13
275	NASDAQ	AVT	Wed, Jun 30, 1993	16.63	17.06	16.63	17.00
274	NASDAQ	AVT	Tue, Jun 29, 1993	16.44	16.50	16.38	16.50
273	NASDAQ	AVT	Mon, Jun 28, 1993	16.25	16.44	16.25	16.44
272	NASDAQ	AVT	Fri, Jun 25, 1993	16.38	16.38	16.25	16.25
271	NASDAQ	AVT	Thu, Jun 24, 1993	16.44	16.44	16.25	16.25
270	NASDAQ	AVT	Wed, Jun 23, 1993	16.69	16.69	16.44	16.44
269	NASDAQ	AVT	Tue, Jun 22, 1993	16.69	16.75	16.63	16.69
268	NASDAQ	AVT	Mon, Jun 21, 1993	16.63	16.75	16.63	16.75
267	NASDAQ	AVT	Fri, Jun 18, 1993	16.63	16.69	16.56	16.63
266	NASDAQ	AVT	Thu, Jun 17, 1993	16.75	16.75	16.56	16.56
265	NASDAQ	AVT	Wed, Jun 16, 1993	16.88	16.94	16.56	16.63
264	NASDAQ	AVT	Tue, Jun 15, 1993	16.50	17.13	16.50	17.00
263	NASDAQ	AVT	Mon, Jun 14, 1993	16.75	16.75	16.38	16.50
262	NASDAQ	AVT	Fri, Jun 11, 1993	17.06	17.06	16.69	16.81
261	NASDAQ	AVT	Thu, Jun 10, 1993	17.00	17.25	16.94	17.00
260	NASDAQ	AVT	Wed, Jun 9, 1993	17.00	17.25	16.88	17.00
259	NASDAQ	AVT	Tue, Jun 8, 1993	17.00	17.06	16.75	17.00
258	NASDAQ	AVT	Mon, Jun 7, 1993	17.19	17.19	16.88	17.06
257	NASDAQ	AVT	Fri, Jun 4, 1993	17.13	17.63	17.13	17.44
256	NASDAQ	AVT	Thu, Jun 3, 1993	17.19	17.31	17.19	17.25
255	NASDAQ	AVT	Wed, Jun 2, 1993	17.25	17.31	17.13	17.19
254	NASDAQ	AVT	Tue, Jun 1, 1993	17.13	17.44	17.13	17.38
253	NASDAQ	AVT	Fri, May 28, 1993	17.00	17.13	16.88	17.13
252	NASDAQ	AVT	Thu, May 27, 1993	16.94	17.19	16.94	17.06
251	NASDAQ	AVT	Wed, May 26, 1993	16.44	16.94	16.44	16.81
250	NASDAQ	AVT	Tue, May 25, 1993	16.38	16.50	16.38	16.50
249	NASDAQ	AVT	Mon, May 24, 1993	16.56	16.56	16.31	16.44
248	NASDAQ	AVT	Fri, May 21, 1993	16.69	16.69	16.44	16.50
247	NASDAQ	AVT	Thu, May 20, 1993	16.69	16.88	16.56	16.75
246	NASDAQ	AVT	Wed, May 19, 1993	16.44	16.94	16.31	16.75
245	NASDAQ	AVT	Tue, May 18, 1993	16.50	16.56	16.38	16.38
244	NASDAQ	AVT	Mon, May 17, 1993	16.38	16.50	16.31	16.50
243	NASDAQ	AVT	Fri, May 14, 1993	16.31	16.50	16.31	16.44
242	NASDAQ	AVT	Thu, May 13, 1993	16.38	16.50	16.25	16.38
241	NASDAQ	AVT	Wed, May 12, 1993	16.13	16.50	16.13	16.50
240	NASDAQ	AVT	Tue, May 11, 1993	16.00	16.25	16.00	16.19
239	NASDAQ	AVT	Mon, May 10, 1993	16.13	16.13	16.00	16.06
238	NASDAQ	AVT	Fri, May 7, 1993	16.19	16.25	16.13	16.19
237	NASDAQ	AVT	Thu, May 6, 1993	16.38	16.38	16.25	16.25
236	NASDAQ	AVT	Wed, May 5, 1993	15.75	16.25	15.63	16.25
235	NASDAQ	AVT	Tue, May 4, 1993	15.44	15.94	15.44	15.88
234	NASDAQ	AVT	Mon, May 3, 1993	15.19	15.44	15.06	15.44
233	NASDAQ	AVT	Fri, Apr 30, 1993	15.13	15.13	14.75	15.06
232	NASDAQ	AVT	Thu, Apr 29, 1993	15.13	15.19	15.13	15.13
231	NASDAQ	AVT	Wed, Apr 28, 1993	15.44	15.50	15.13	15.19
230	NASDAQ	AVT	Tue, Apr 27, 1993	15.50	15.50	15.44	15.50
229	NASDAQ	AVT	Mon, Apr 26, 1993	15.50	15.56	15.38	15.38
228	NASDAQ	AVT	Fri, Apr 23, 1993	15.50	15.63	15.50	15.56
227	NASDAQ	AVT	Thu, Apr 22, 1993	15.75	15.75	15.44	15.50
226	NASDAQ	AVT	Wed, Apr 21, 1993	16.00	16.00	15.75	15.81
225	NASDAQ	AVT	Tue, Apr 20, 1993	15.38	16.00	15.38	15.69
224	NASDAQ	AVT	Mon, Apr 19, 1993	15.50	15.50	15.31	15.38
223	NASDAQ	AVT	Fri, Apr 16, 1993	15.44	15.63	15.31	15.50
222	NASDAQ	AVT	Thu, Apr 15, 1993	15.31	15.50	15.31	15.38
221	NASDAQ	AVT	Wed, Apr 14, 1993	15.19	15.44	15.19	15.31
220	NASDAQ	AVT	Tue, Apr 13, 1993	15.19	15.31	15.06	15.19
219	NASDAQ	AVT	Mon, Apr 12, 1993	14.75	15.38	14.69	15.19
218	NASDAQ	AVT	Thu, Apr 8, 1993	14.75	14.81	14.63	14.69
217	NASDAQ	AVT	Wed, Apr 7, 1993	14.69	14.88	14.63	14.75
216	NASDAQ	AVT	Tue, Apr 6, 1993	14.69	14.81	14.63	14.75
215	NASDAQ	AVT	Mon, Apr 5, 1993	15.00	15.06	14.50	14.69
214	NASDAQ	AVT	Fri, Apr 2, 1993	15.31	15.31	14.88	15.00
213	NASDAQ	AVT	Thu, Apr 1, 1993	15.38	15.38	15.06	15.25
212	NASDAQ	AVT	Wed, Mar 31, 1993	15.69	15.81	15.50	15.63
211	NASDAQ	AVT	Tue, Mar 30, 1993	15.94	16.00	15.63	15.63
210	NASDAQ	AVT	Mon, Mar 29, 1993	16.13	16.19	15.81	15.81
209	NASDAQ	AVT	Fri, Mar 26, 1993	16.44	16.50	16.00	16.13
208	NASDAQ	AVT	Thu, Mar 25, 1993	16.44	16.50	16.31	16.38
207	NASDAQ	AVT	Wed, Mar 24, 1993	15.88	16.56	15.81	16.56
206	NASDAQ	AVT	Tue, Mar 23, 1993	16.06	16.13	15.56	15.75
205	NASDAQ	AVT	Mon, Mar 22, 1993	16.31	16.31	16.00	16.06
204	NASDAQ	AVT	Fri, Mar 19, 1993	16.25	16.56	16.13	16.44
203	NASDAQ	AVT	Thu, Mar 18, 1993	15.75	16.25	15.75	16.25
202	NASDAQ	AVT	Wed, Mar 17, 1993	16.19	16.25	15.81	15.81
201	NASDAQ	AVT	Tue, Mar 16, 1993	16.38	16.50	16.13	16.25
200	NASDAQ	AVT	Mon, Mar 15, 1993	16.31	16.38	16.13	16.19
199	NASDAQ	AVT	Fri, Mar 12, 1993	16.63	16.63	16.31	16.38
198	NASDAQ	AVT	Thu, Mar 11, 1993	16.38	16.75	16.38	16.63
197	NASDAQ	AVT	Wed, Mar 10, 1993	16.19	16.31	16.13	16.31
196	NASDAQ	AVT	Tue, Mar 9, 1993	16.56	16.56	16.25	16.25
195	NASDAQ	AVT	Mon, Mar 8, 1993	16.31	16.50	16.31	16.44
194	NASDAQ	AVT	Fri, Mar 5, 1993	16.44	16.44	16.31	16.44
193	NASDAQ	AVT	Thu, Mar 4, 1993	16.44	16.44	16.38	16.44
192	NASDAQ	AVT	Wed, Mar 3, 1993	16.50	16.50	16.38	16.38
191	NASDAQ	AVT	Tue, Mar 2, 1993	16.13	16.31	16.06	16.31
190	NASDAQ	AVT	Mon, Mar 1, 1993	16.25	16.63	16.13	16.13
189	NASDAQ	AVT	Fri, Feb 26, 1993	16.25	16.25	16.19	16.25
188	NASDAQ	AVT	Thu, Feb 25, 1993	16.25	16.25	16.13	16.19
187	NASDAQ	AVT	Wed, Feb 24, 1993	15.75	16.25	15.63	16.13
186	NASDAQ	AVT	Tue, Feb 23, 1993	15.69	15.75	15.38	15.69
185	NASDAQ	AVT	Mon, Feb 22, 1993	15.56	15.81	15.50	15.75
184	NASDAQ	AVT	Fri, Feb 19, 1993	15.75	15.88	15.50	15.63
183	NASDAQ	AVT	Thu, Feb 18, 1993	15.75	15.88	15.56	15.69
182	NASDAQ	AVT	Wed, Feb 17, 1993	15.75	15.81	15.56	15.63
181	NASDAQ	AVT	Tue, Feb 16, 1993	16.50	16.50	15.63	15.88
180	NASDAQ	AVT	Fri, Feb 12, 1993	16.81	16.81	16.25	16.75
179	NASDAQ	AVT	Thu, Feb 11, 1993	16.19	16.63	16.13	16.63
178	NASDAQ	AVT	Wed, Feb 10, 1993	16.00	16.19	15.75	16.06
177	NASDAQ	AVT	Tue, Feb 9, 1993	16.31	16.31	15.88	16.00
176	NASDAQ	AVT	Mon, Feb 8, 1993	16.25	16.44	16.19	16.31
175	NASDAQ	AVT	Fri, Feb 5, 1993	16.63	16.94	16.25	16.25
174	NASDAQ	AVT	Thu, Feb 4, 1993	16.69	16.75	16.44	16.50
173	NASDAQ	AVT	Wed, Feb 3, 1993	16.88	16.88	16.63	16.63
172	NASDAQ	AVT	Tue, Feb 2, 1993	16.81	16.88	16.63	16.69
171	NASDAQ	AVT	Mon, Feb 1, 1993	16.94	16.94	16.75	16.81
170	NASDAQ	AVT	Fri, Jan 29, 1993	16.75	16.94	16.75	16.94
169	NASDAQ	AVT	Thu, Jan 28, 1993	17.31	17.31	16.75	16.88
168	NASDAQ	AVT	Wed, Jan 27, 1993	17.81	17.94	16.50	17.19
167	NASDAQ	AVT	Tue, Jan 26, 1993	17.88	18.00	17.88	18.00
166	NASDAQ	AVT	Mon, Jan 25, 1993	17.94	18.06	17.81	17.88
165	NASDAQ	AVT	Fri, Jan 22, 1993	17.75	18.19	17.75	17.94
164	NASDAQ	AVT	Thu, Jan 21, 1993	18.19	18.19	17.63	17.63
163	NASDAQ	AVT	Wed, Jan 20, 1993	18.25	18.25	18.06	18.13
162	NASDAQ	AVT	Tue, Jan 19, 1993	18.38	18.50	18.25	18.25
161	NASDAQ	AVT	Mon, Jan 18, 1993	18.19	18.50	17.88	18.44
160	NASDAQ	AVT	Fri, Jan 15, 1993	18.50	18.50	18.13	18.25
159	NASDAQ	AVT	Thu, Jan 14, 1993	18.00	18.44	18.00	18.44
158	NASDAQ	AVT	Wed, Jan 13, 1993	17.38	17.81	17.31	17.81
157	NASDAQ	AVT	Tue, Jan 12, 1993	18.00	18.00	17.44	17.44
156	NASDAQ	AVT	Mon, Jan 11, 1993	17.69	18.25	17.69	18.13
155	NASDAQ	AVT	Fri, Jan 8, 1993	17.00	17.75	16.88	17.75
154	NASDAQ	AVT	Thu, Jan 7, 1993	17.19	17.38	17.00	17.06
153	NASDAQ	AVT	Wed, Jan 6, 1993	16.81	17.25	16.81	17.19
152	NASDAQ	AVT	Tue, Jan 5, 1993	16.81	16.88	16.75	16.81
151	NASDAQ	AVT	Mon, Jan 4, 1993	17.13	17.25	16.88	16.94
150	NASDAQ	AVT	Thu, Dec 31, 1992	17.31	17.38	17.25	17.25
149	NASDAQ	AVT	Wed, Dec 30, 1992	17.25	17.38	17.25	17.31
148	NASDAQ	AVT	Tue, Dec 29, 1992	17.31	17.38	17.25	17.25
147	NASDAQ	AVT	Mon, Dec 28, 1992	17.13	17.38	17.13	17.38
146	NASDAQ	AVT	Thu, Dec 24, 1992	17.44	17.44	17.25	17.25
145	NASDAQ	AVT	Wed, Dec 23, 1992	16.94	17.38	16.88	17.31
144	NASDAQ	AVT	Tue, Dec 22, 1992	17.00	17.13	16.75	17.00
143	NASDAQ	AVT	Mon, Dec 21, 1992	17.13	17.38	17.06	17.13
142	NASDAQ	AVT	Fri, Dec 18, 1992	17.44	17.75	17.00	17.00
141	NASDAQ	AVT	Thu, Dec 17, 1992	17.13	17.63	17.13	17.44
140	NASDAQ	AVT	Wed, Dec 16, 1992	16.69	17.38	16.69	17.19
139	NASDAQ	AVT	Tue, Dec 15, 1992	16.94	16.94	16.56	16.75
138	NASDAQ	AVT	Mon, Dec 14, 1992	17.19	17.19	17.06	17.13
137	NASDAQ	AVT	Fri, Dec 11, 1992	17.25	17.25	17.00	17.13
136	NASDAQ	AVT	Thu, Dec 10, 1992	17.44	17.44	17.13	17.25
135	NASDAQ	AVT	Wed, Dec 9, 1992	17.63	18.00	17.44	17.44
134	NASDAQ	AVT	Tue, Dec 8, 1992	17.38	17.75	17.25	17.75
133	NASDAQ	AVT	Mon, Dec 7, 1992	17.31	17.38	17.19	17.38
132	NASDAQ	AVT	Fri, Dec 4, 1992	17.06	17.44	17.00	17.31
131	NASDAQ	AVT	Thu, Dec 3, 1992	17.19	17.19	17.00	17.00
130	NASDAQ	AVT	Wed, Dec 2, 1992	16.75	17.19	16.69	17.19
129	NASDAQ	AVT	Tue, Dec 1, 1992	16.50	16.81	16.50	16.81
128	NASDAQ	AVT	Mon, Nov 30, 1992	16.13	16.44	16.06	16.44
127	NASDAQ	AVT	Fri, Nov 27, 1992	16.13	16.13	16.06	16.06
126	NASDAQ	AVT	Wed, Nov 25, 1992	16.13	16.31	16.00	16.06
125	NASDAQ	AVT	Tue, Nov 24, 1992	16.19	16.50	16.06	16.06
124	NASDAQ	AVT	Mon, Nov 23, 1992	16.06	16.13	16.06	16.06
123	NASDAQ	AVT	Fri, Nov 20, 1992	15.75	16.06	15.75	16.06
122	NASDAQ	AVT	Thu, Nov 19, 1992	15.88	15.94	15.75	15.75
121	NASDAQ	AVT	Wed, Nov 18, 1992	15.75	15.88	15.63	15.81
120	NASDAQ	AVT	Tue, Nov 17, 1992	16.06	16.06	15.75	15.75
119	NASDAQ	AVT	Mon, Nov 16, 1992	16.31	16.31	15.88	16.00
118	NASDAQ	AVT	Fri, Nov 13, 1992	16.06	16.44	16.06	16.31
117	NASDAQ	AVT	Thu, Nov 12, 1992	16.13	16.19	16.00	16.13
116	NASDAQ	AVT	Wed, Nov 11, 1992	16.19	16.31	16.00	16.00
115	NASDAQ	AVT	Tue, Nov 10, 1992	16.00	16.25	15.88	16.13
114	NASDAQ	AVT	Mon, Nov 9, 1992	15.63	15.81	15.50	15.75
113	NASDAQ	AVT	Fri, Nov 6, 1992	15.75	15.75	15.63	15.69
112	NASDAQ	AVT	Thu, Nov 5, 1992	15.56	15.88	15.44	15.75
111	NASDAQ	AVT	Wed, Nov 4, 1992	15.63	15.75	15.44	15.50
110	NASDAQ	AVT	Tue, Nov 3, 1992	16.13	16.13	15.56	15.56
109	NASDAQ	AVT	Mon, Nov 2, 1992	16.00	16.25	15.63	16.13
108	NASDAQ	AVT	Fri, Oct 30, 1992	15.75	16.00	15.63	16.00
107	NASDAQ	AVT	Thu, Oct 29, 1992	15.50	15.81	15.50	15.69
106	NASDAQ	AVT	Wed, Oct 28, 1992	15.69	15.69	15.44	15.56
105	NASDAQ	AVT	Tue, Oct 27, 1992	15.44	15.63	15.38	15.63
104	NASDAQ	AVT	Mon, Oct 26, 1992	15.50	15.50	15.31	15.44
103	NASDAQ	AVT	Fri, Oct 23, 1992	15.13	15.31	15.13	15.31
102	NASDAQ	AVT	Thu, Oct 22, 1992	15.31	15.69	15.25	15.38
101	NASDAQ	AVT	Wed, Oct 21, 1992	15.25	15.50	15.25	15.38
100	NASDAQ	AVT	Tue, Oct 20, 1992	15.25	15.44	15.19	15.38
99	NASDAQ	AVT	Mon, Oct 19, 1992	14.81	15.25	14.81	15.25
98	NASDAQ	AVT	Fri, Oct 16, 1992	14.69	14.94	14.56	14.88
97	NASDAQ	AVT	Thu, Oct 15, 1992	14.63	14.63	14.44	14.63
96	NASDAQ	AVT	Wed, Oct 14, 1992	14.50	14.81	14.38	14.63
95	NASDAQ	AVT	Tue, Oct 13, 1992	14.56	14.88	14.50	14.63
94	NASDAQ	AVT	Mon, Oct 12, 1992	14.56	14.63	14.50	14.50
93	NASDAQ	AVT	Fri, Oct 9, 1992	14.50	14.56	14.38	14.38
92	NASDAQ	AVT	Thu, Oct 8, 1992	14.69	14.69	14.56	14.63
91	NASDAQ	AVT	Wed, Oct 7, 1992	14.69	14.69	14.56	14.63
90	NASDAQ	AVT	Tue, Oct 6, 1992	14.25	14.56	14.25	14.56
89	NASDAQ	AVT	Mon, Oct 5, 1992	14.38	14.38	13.94	14.13
88	NASDAQ	AVT	Fri, Oct 2, 1992	14.63	14.63	14.38	14.38
87	NASDAQ	AVT	Thu, Oct 1, 1992	14.50	14.75	14.44	14.63
86	NASDAQ	AVT	Wed, Sep 30, 1992	14.56	14.56	14.44	14.50
85	NASDAQ	AVT	Tue, Sep 29, 1992	14.50	14.56	14.44	14.56
84	NASDAQ	AVT	Mon, Sep 28, 1992	14.50	14.50	14.19	14.50
83	NASDAQ	AVT	Fri, Sep 25, 1992	14.63	14.63	14.44	14.50
82	NASDAQ	AVT	Thu, Sep 24, 1992	14.44	14.63	14.44	14.63
81	NASDAQ	AVT	Wed, Sep 23, 1992	14.50	14.56	14.31	14.31
80	NASDAQ	AVT	Tue, Sep 22, 1992	14.56	14.56	14.38	14.38
79	NASDAQ	AVT	Mon, Sep 21, 1992	14.56	14.56	14.50	14.56
78	NASDAQ	AVT	Fri, Sep 18, 1992	14.56	14.63	14.50	14.56
77	NASDAQ	AVT	Thu, Sep 17, 1992	14.50	14.56	14.44	14.56
76	NASDAQ	AVT	Wed, Sep 16, 1992	14.44	14.63	14.38	14.44
75	NASDAQ	AVT	Tue, Sep 15, 1992	14.44	14.63	14.38	14.56
74	NASDAQ	AVT	Mon, Sep 14, 1992	14.44	14.63	14.44	14.63
73	NASDAQ	AVT	Fri, Sep 11, 1992	14.44	14.44	14.13	14.31
72	NASDAQ	AVT	Thu, Sep 10, 1992	14.13	14.50	14.06	14.44
71	NASDAQ	AVT	Wed, Sep 9, 1992	14.13	14.19	14.06	14.13
70	NASDAQ	AVT	Tue, Sep 8, 1992	14.38	14.38	14.19	14.25
69	NASDAQ	AVT	Fri, Sep 4, 1992	14.25	14.44	14.19	14.25
68	NASDAQ	AVT	Thu, Sep 3, 1992	14.13	14.31	14.13	14.25
67	NASDAQ	AVT	Wed, Sep 2, 1992	13.88	14.06	13.81	14.06
66	NASDAQ	AVT	Tue, Sep 1, 1992	13.94	13.94	13.81	13.88
65	NASDAQ	AVT	Mon, Aug 31, 1992	13.81	14.00	13.81	14.00
64	NASDAQ	AVT	Fri, Aug 28, 1992	13.81	13.94	13.81	13.81
63	NASDAQ	AVT	Thu, Aug 27, 1992	13.81	13.88	13.75	13.88
62	NASDAQ	AVT	Wed, Aug 26, 1992	13.75	13.88	13.69	13.75
61	NASDAQ	AVT	Tue, Aug 25, 1992	13.81	13.88	13.69	13.88
60	NASDAQ	AVT	Mon, Aug 24, 1992	13.69	13.81	13.69	13.81
59	NASDAQ	AVT	Fri, Aug 21, 1992	14.00	14.00	13.75	13.81
58	NASDAQ	AVT	Thu, Aug 20, 1992	14.13	14.13	14.00	14.00
57	NASDAQ	AVT	Wed, Aug 19, 1992	14.19	14.19	13.88	14.06
56	NASDAQ	AVT	Tue, Aug 18, 1992	14.19	14.19	14.06	14.13
55	NASDAQ	AVT	Mon, Aug 17, 1992	14.13	14.19	14.06	14.19
54	NASDAQ	AVT	Fri, Aug 14, 1992	14.19	14.19	14.00	14.13
53	NASDAQ	AVT	Thu, Aug 13, 1992	14.00	14.19	14.00	14.13
52	NASDAQ	AVT	Wed, Aug 12, 1992	14.25	14.38	14.06	14.13
51	NASDAQ	AVT	Tue, Aug 11, 1992	14.56	14.63	14.13	14.13
50	NASDAQ	AVT	Mon, Aug 10, 1992	14.25	14.69	14.19	14.69
49	NASDAQ	AVT	Fri, Aug 7, 1992	14.31	14.44	14.19	14.31
48	NASDAQ	AVT	Thu, Aug 6, 1992	14.63	14.63	14.38	14.38
47	NASDAQ	AVT	Wed, Aug 5, 1992	14.63	14.69	14.63	14.63
46	NASDAQ	AVT	Tue, Aug 4, 1992	14.63	14.69	14.06	14.63
45	NASDAQ	AVT	Mon, Aug 3, 1992	14.00	14.75	14.00	14.75
44	NASDAQ	AVT	Fri, Jul 31, 1992	14.06	14.25	14.00	14.13
43	NASDAQ	AVT	Thu, Jul 30, 1992	13.94	14.06	13.75	14.06
42	NASDAQ	AVT	Wed, Jul 29, 1992	13.88	14.00	13.81	13.94
41	NASDAQ	AVT	Tue, Jul 28, 1992	13.88	13.88	13.63	13.75
40	NASDAQ	AVT	Mon, Jul 27, 1992	13.81	13.88	13.75	13.75
39	NASDAQ	AVT	Fri, Jul 24, 1992	13.75	13.75	13.50	13.69
38	NASDAQ	AVT	Thu, Jul 23, 1992	13.88	13.88	13.56	13.81
37	NASDAQ	AVT	Wed, Jul 22, 1992	13.75	14.13	13.75	13.94
36	NASDAQ	AVT	Tue, Jul 21, 1992	13.56	13.81	13.56	13.75
35	NASDAQ	AVT	Mon, Jul 20, 1992	13.63	13.63	13.38	13.63
34	NASDAQ	AVT	Fri, Jul 17, 1992	13.81	13.81	13.63	13.75
33	NASDAQ	AVT	Thu, Jul 16, 1992	13.88	14.06	13.75	14.06
32	NASDAQ	AVT	Wed, Jul 15, 1992	13.81	14.19	13.81	13.88
31	NASDAQ	AVT	Tue, Jul 14, 1992	13.88	13.88	13.63	13.81
30	NASDAQ	AVT	Mon, Jul 13, 1992	13.75	13.81	13.56	13.69
29	NASDAQ	AVT	Fri, Jul 10, 1992	14.00	14.00	13.75	13.88
28	NASDAQ	AVT	Thu, Jul 9, 1992	13.69	13.94	13.56	13.94
27	NASDAQ	AVT	Wed, Jul 8, 1992	13.69	13.75	13.50	13.63
26	NASDAQ	AVT	Tue, Jul 7, 1992	13.88	13.88	13.56	13.69
25	NASDAQ	AVT	Mon, Jul 6, 1992	13.75	14.13	13.63	14.00
24	NASDAQ	AVT	Thu, Jul 2, 1992	14.13	14.13	13.56	13.75
23	NASDAQ	AVT	Wed, Jul 1, 1992	13.88	14.13	13.81	14.13
22	NASDAQ	AVT	Tue, Jun 30, 1992	13.44	13.81	13.44	13.81
21	NASDAQ	AVT	Mon, Jun 29, 1992	13.00	13.38	13.00	13.31
20	NASDAQ	AVT	Fri, Jun 26, 1992	13.25	13.25	12.94	13.00
19	NASDAQ	AVT	Thu, Jun 25, 1992	13.25	13.38	13.19	13.25
18	NASDAQ	AVT	Wed, Jun 24, 1992	13.31	13.31	13.00	13.13
17	NASDAQ	AVT	Tue, Jun 23, 1992	13.13	13.38	13.00	13.38
16	NASDAQ	AVT	Mon, Jun 22, 1992	13.00	13.13	12.94	13.00
15	NASDAQ	AVT	Fri, Jun 19, 1992	13.00	13.13	12.94	13.13
14	NASDAQ	AVT	Thu, Jun 18, 1992	13.31	13.31	13.06	13.13
13	NASDAQ	AVT	Wed, Jun 17, 1992	13.31	13.50	13.31	13.38
12	NASDAQ	AVT	Tue, Jun 16, 1992	13.56	13.69	13.38	13.38
11	NASDAQ	AVT	Mon, Jun 15, 1992	13.50	13.81	13.50	13.63
10	NASDAQ	AVT	Fri, Jun 12, 1992	13.63	13.75	13.44	13.50
9	NASDAQ	AVT	Thu, Jun 11, 1992	13.50	13.75	13.44	13.75
8	NASDAQ	AVT	Wed, Jun 10, 1992	13.38	13.63	13.38	13.63
7	NASDAQ	AVT	Tue, Jun 9, 1992	13.56	13.63	13.44	13.44
6	NASDAQ	AVT	Mon, Jun 8, 1992	13.63	13.75	13.56	13.69
5	NASDAQ	AVT	Fri, Jun 5, 1992	13.81	13.88	13.69	13.75
4	NASDAQ	AVT	Thu, Jun 4, 1992	13.75	13.88	13.69	13.75
3	NASDAQ	AVT	Wed, Jun 3, 1992	13.81	13.94	13.75	13.81
2	NASDAQ	AVT	Tue, Jun 2, 1992	13.88	14.06	13.88	13.88
1	NASDAQ	AVT	Mon, Jun 1, 1992	13.69	14.06	13.69	14.00
#	Exchange	Symbol	Date	Open	High	Low	Close

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