CorVel Corp NASDAQ:CRVL Historical Prices

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

#	Exchange	Symbol	Date	Open	High	Low	Close
8000	NASDAQ	CRVL	Fri, Mar 1, 2024	242.67	244.75	233.59	239.07
7999	NASDAQ	CRVL	Thu, Feb 29, 2024	250.56	250.56	243.37	244.00
7998	NASDAQ	CRVL	Wed, Feb 28, 2024	247.04	249.70	244.81	247.74
7997	NASDAQ	CRVL	Tue, Feb 27, 2024	248.86	253.05	248.46	249.70
7996	NASDAQ	CRVL	Mon, Feb 26, 2024	251.13	254.20	247.51	249.26
7995	NASDAQ	CRVL	Fri, Feb 23, 2024	252.02	254.80	233.85	253.72
7994	NASDAQ	CRVL	Thu, Feb 22, 2024	260.09	260.95	243.28	251.02
7993	NASDAQ	CRVL	Wed, Feb 21, 2024	250.12	265.14	246.55	260.89
7992	NASDAQ	CRVL	Tue, Feb 20, 2024	245.99	250.71	243.50	250.32
7991	NASDAQ	CRVL	Fri, Feb 16, 2024	249.07	251.02	246.65	247.36
7990	NASDAQ	CRVL	Thu, Feb 15, 2024	246.74	251.01	242.63	249.67
7989	NASDAQ	CRVL	Wed, Feb 14, 2024	239.53	247.89	239.51	246.22
7988	NASDAQ	CRVL	Tue, Feb 13, 2024	242.74	249.92	235.98	237.86
7987	NASDAQ	CRVL	Mon, Feb 12, 2024	246.68	250.26	246.68	248.76
7986	NASDAQ	CRVL	Fri, Feb 9, 2024	239.47	245.99	238.01	245.27
7985	NASDAQ	CRVL	Thu, Feb 8, 2024	232.65	242.43	232.65	240.23
7984	NASDAQ	CRVL	Wed, Feb 7, 2024	232.61	234.24	230.45	232.09
7983	NASDAQ	CRVL	Tue, Feb 6, 2024	234.63	238.57	232.45	232.47
7982	NASDAQ	CRVL	Mon, Feb 5, 2024	238.06	239.57	234.15	234.85
7981	NASDAQ	CRVL	Fri, Feb 2, 2024	242.91	246.27	230.85	238.68
7980	NASDAQ	CRVL	Thu, Feb 1, 2024	234.61	246.28	234.61	244.06
7979	NASDAQ	CRVL	Wed, Jan 31, 2024	239.61	248.52	234.78	235.34
7978	NASDAQ	CRVL	Tue, Jan 30, 2024	240.70	240.70	233.01	237.28
7977	NASDAQ	CRVL	Mon, Jan 29, 2024	225.87	232.89	225.87	231.49
7976	NASDAQ	CRVL	Fri, Jan 26, 2024	226.61	227.56	224.12	226.92
7975	NASDAQ	CRVL	Thu, Jan 25, 2024	233.60	233.60	223.89	225.09
7974	NASDAQ	CRVL	Wed, Jan 24, 2024	237.76	237.76	231.10	231.80
7973	NASDAQ	CRVL	Tue, Jan 23, 2024	240.36	241.76	235.02	235.08
7972	NASDAQ	CRVL	Mon, Jan 22, 2024	233.74	241.02	233.74	238.28
7971	NASDAQ	CRVL	Fri, Jan 19, 2024	232.96	234.69	229.71	233.74
7970	NASDAQ	CRVL	Thu, Jan 18, 2024	231.28	232.00	228.63	230.99
7969	NASDAQ	CRVL	Wed, Jan 17, 2024	228.30	234.22	227.75	229.35
7968	NASDAQ	CRVL	Tue, Jan 16, 2024	229.56	235.77	229.56	231.03
7967	NASDAQ	CRVL	Fri, Jan 12, 2024	235.27	236.27	227.91	232.51
7966	NASDAQ	CRVL	Thu, Jan 11, 2024	231.91	233.76	230.13	233.25
7965	NASDAQ	CRVL	Wed, Jan 10, 2024	232.54	235.70	230.55	234.13
7964	NASDAQ	CRVL	Tue, Jan 9, 2024	228.48	235.93	227.75	233.25
7963	NASDAQ	CRVL	Mon, Jan 8, 2024	231.30	234.24	229.05	231.05
7962	NASDAQ	CRVL	Fri, Jan 5, 2024	233.95	240.11	229.42	231.66
7961	NASDAQ	CRVL	Thu, Jan 4, 2024	239.04	242.20	234.56	236.33
7960	NASDAQ	CRVL	Wed, Jan 3, 2024	245.44	246.58	231.79	237.66
7959	NASDAQ	CRVL	Tue, Jan 2, 2024	244.54	249.04	241.38	246.07
7958	NASDAQ	CRVL	Fri, Dec 29, 2023	249.39	250.80	246.30	247.21
7957	NASDAQ	CRVL	Thu, Dec 28, 2023	254.00	255.11	249.06	251.23
7956	NASDAQ	CRVL	Wed, Dec 27, 2023	251.60	255.60	251.60	254.35
7955	NASDAQ	CRVL	Tue, Dec 26, 2023	248.14	252.81	247.65	252.38
7954	NASDAQ	CRVL	Fri, Dec 22, 2023	246.50	251.19	246.29	249.34
7953	NASDAQ	CRVL	Thu, Dec 21, 2023	241.32	246.30	241.00	245.65
7952	NASDAQ	CRVL	Wed, Dec 20, 2023	244.89	247.96	240.20	240.20
7951	NASDAQ	CRVL	Tue, Dec 19, 2023	237.15	245.60	237.15	244.18
7950	NASDAQ	CRVL	Mon, Dec 18, 2023	235.99	236.06	230.50	235.41
7949	NASDAQ	CRVL	Fri, Dec 15, 2023	237.83	237.83	228.04	233.64
7948	NASDAQ	CRVL	Thu, Dec 14, 2023	238.03	239.95	232.50	236.35
7947	NASDAQ	CRVL	Wed, Dec 13, 2023	232.43	238.29	228.52	235.74
7946	NASDAQ	CRVL	Tue, Dec 12, 2023	228.90	234.00	225.21	233.79
7945	NASDAQ	CRVL	Mon, Dec 11, 2023	223.66	227.68	221.82	227.23
7944	NASDAQ	CRVL	Fri, Dec 8, 2023	218.29	224.42	218.29	224.42
7943	NASDAQ	CRVL	Thu, Dec 7, 2023	222.10	222.10	218.93	219.32
7942	NASDAQ	CRVL	Wed, Dec 6, 2023	222.22	222.80	219.21	221.10
7941	NASDAQ	CRVL	Tue, Dec 5, 2023	219.06	221.69	212.70	220.90
7940	NASDAQ	CRVL	Mon, Dec 4, 2023	214.51	219.97	213.10	218.57
7939	NASDAQ	CRVL	Fri, Dec 1, 2023	211.40	216.42	210.58	216.05
7938	NASDAQ	CRVL	Thu, Nov 30, 2023	207.67	210.19	207.65	208.86
7937	NASDAQ	CRVL	Wed, Nov 29, 2023	207.68	209.11	203.90	206.86
7936	NASDAQ	CRVL	Tue, Nov 28, 2023	209.79	212.07	206.72	206.86
7935	NASDAQ	CRVL	Mon, Nov 27, 2023	214.33	217.96	213.48	213.79
7934	NASDAQ	CRVL	Fri, Nov 24, 2023	212.57	214.43	212.57	213.80
7933	NASDAQ	CRVL	Wed, Nov 22, 2023	214.54	215.34	210.00	211.83
7932	NASDAQ	CRVL	Tue, Nov 21, 2023	212.07	215.00	212.07	212.75
7931	NASDAQ	CRVL	Mon, Nov 20, 2023	213.14	214.02	210.05	213.96
7930	NASDAQ	CRVL	Fri, Nov 17, 2023	213.40	215.83	212.60	214.01
7929	NASDAQ	CRVL	Thu, Nov 16, 2023	211.59	213.07	209.17	212.76
7928	NASDAQ	CRVL	Wed, Nov 15, 2023	212.59	215.48	210.98	211.35
7927	NASDAQ	CRVL	Tue, Nov 14, 2023	204.49	215.17	204.49	214.21
7926	NASDAQ	CRVL	Mon, Nov 13, 2023	198.44	202.16	198.05	201.86
7925	NASDAQ	CRVL	Fri, Nov 10, 2023	197.96	200.00	196.33	198.94
7924	NASDAQ	CRVL	Thu, Nov 9, 2023	197.66	198.93	194.97	196.51
7923	NASDAQ	CRVL	Wed, Nov 8, 2023	199.11	200.00	194.97	197.04
7922	NASDAQ	CRVL	Tue, Nov 7, 2023	194.90	199.84	194.85	197.80
7921	NASDAQ	CRVL	Mon, Nov 6, 2023	197.84	200.22	197.55	198.72
7920	NASDAQ	CRVL	Fri, Nov 3, 2023	203.94	206.42	198.60	199.64
7919	NASDAQ	CRVL	Thu, Nov 2, 2023	195.09	201.83	195.09	200.55
7918	NASDAQ	CRVL	Wed, Nov 1, 2023	193.43	195.62	191.50	194.95
7917	NASDAQ	CRVL	Tue, Oct 31, 2023	189.90	194.43	188.50	193.94
7916	NASDAQ	CRVL	Mon, Oct 30, 2023	192.37	192.41	187.92	189.27
7915	NASDAQ	CRVL	Fri, Oct 27, 2023	190.35	191.82	188.16	190.33
7914	NASDAQ	CRVL	Thu, Oct 26, 2023	194.55	197.59	190.32	191.37
7913	NASDAQ	CRVL	Wed, Oct 25, 2023	193.87	195.52	191.36	193.98
7912	NASDAQ	CRVL	Tue, Oct 24, 2023	196.00	199.77	192.17	194.50
7911	NASDAQ	CRVL	Mon, Oct 23, 2023	197.77	201.96	195.50	196.15
7910	NASDAQ	CRVL	Fri, Oct 20, 2023	204.24	205.59	198.57	198.86
7909	NASDAQ	CRVL	Thu, Oct 19, 2023	204.63	206.77	201.74	202.50
7908	NASDAQ	CRVL	Wed, Oct 18, 2023	205.07	207.12	202.61	203.65
7907	NASDAQ	CRVL	Tue, Oct 17, 2023	203.40	207.14	201.76	203.79
7906	NASDAQ	CRVL	Mon, Oct 16, 2023	204.80	208.23	202.44	203.57
7905	NASDAQ	CRVL	Fri, Oct 13, 2023	204.42	206.53	201.94	202.83
7904	NASDAQ	CRVL	Thu, Oct 12, 2023	199.33	207.19	199.33	204.96
7903	NASDAQ	CRVL	Wed, Oct 11, 2023	203.93	204.09	198.26	199.23
7902	NASDAQ	CRVL	Tue, Oct 10, 2023	203.12	207.10	203.12	205.13
7901	NASDAQ	CRVL	Mon, Oct 9, 2023	200.82	206.03	200.82	202.50
7900	NASDAQ	CRVL	Fri, Oct 6, 2023	197.71	203.69	197.71	202.61
7899	NASDAQ	CRVL	Thu, Oct 5, 2023	196.46	197.63	194.90	197.12
7898	NASDAQ	CRVL	Wed, Oct 4, 2023	194.37	198.01	194.37	196.45
7897	NASDAQ	CRVL	Tue, Oct 3, 2023	196.87	198.40	194.41	195.01
7896	NASDAQ	CRVL	Mon, Oct 2, 2023	196.86	198.62	193.90	198.00
7895	NASDAQ	CRVL	Fri, Sep 29, 2023	199.78	200.49	195.18	196.65
7894	NASDAQ	CRVL	Thu, Sep 28, 2023	196.33	199.80	196.33	198.82
7893	NASDAQ	CRVL	Wed, Sep 27, 2023	192.33	196.25	192.33	195.92
7892	NASDAQ	CRVL	Tue, Sep 26, 2023	191.83	191.99	188.92	191.21
7891	NASDAQ	CRVL	Mon, Sep 25, 2023	190.40	194.32	190.40	191.40
7890	NASDAQ	CRVL	Fri, Sep 22, 2023	191.76	195.11	190.40	190.74
7889	NASDAQ	CRVL	Thu, Sep 21, 2023	198.58	198.58	190.76	191.18
7888	NASDAQ	CRVL	Wed, Sep 20, 2023	196.44	200.27	195.45	198.77
7887	NASDAQ	CRVL	Tue, Sep 19, 2023	201.19	201.19	195.97	196.63
7886	NASDAQ	CRVL	Mon, Sep 18, 2023	199.53	203.18	199.19	199.65
7885	NASDAQ	CRVL	Fri, Sep 15, 2023	199.98	206.64	197.00	199.49
7884	NASDAQ	CRVL	Thu, Sep 14, 2023	197.48	199.56	194.45	198.97
7883	NASDAQ	CRVL	Wed, Sep 13, 2023	197.50	198.49	194.45	197.14
7882	NASDAQ	CRVL	Tue, Sep 12, 2023	199.73	202.22	196.40	198.14
7881	NASDAQ	CRVL	Mon, Sep 11, 2023	201.67	201.67	201.67	201.67
7880	NASDAQ	CRVL	Fri, Sep 8, 2023	207.73	207.73	202.86	203.10
7879	NASDAQ	CRVL	Thu, Sep 7, 2023	207.58	208.11	201.51	204.46
7878	NASDAQ	CRVL	Wed, Sep 6, 2023	204.61	208.45	203.31	206.89
7877	NASDAQ	CRVL	Tue, Sep 5, 2023	205.50	205.50	199.25	203.23
7876	NASDAQ	CRVL	Fri, Sep 1, 2023	216.36	217.80	206.83	207.17
7875	NASDAQ	CRVL	Thu, Aug 31, 2023	218.70	220.00	215.61	216.45
7874	NASDAQ	CRVL	Wed, Aug 30, 2023	217.64	220.48	215.60	218.52
7873	NASDAQ	CRVL	Tue, Aug 29, 2023	215.38	216.99	213.67	216.99
7872	NASDAQ	CRVL	Mon, Aug 28, 2023	218.94	219.47	214.60	216.25
7871	NASDAQ	CRVL	Fri, Aug 25, 2023	214.76	220.04	214.26	218.65
7870	NASDAQ	CRVL	Thu, Aug 24, 2023	218.10	221.07	212.34	213.34
7869	NASDAQ	CRVL	Wed, Aug 23, 2023	218.03	221.32	216.90	218.90
7868	NASDAQ	CRVL	Tue, Aug 22, 2023	217.43	219.44	216.00	217.29
7867	NASDAQ	CRVL	Mon, Aug 21, 2023	221.00	222.75	218.42	218.91
7866	NASDAQ	CRVL	Fri, Aug 18, 2023	226.27	228.61	220.93	221.45
7865	NASDAQ	CRVL	Thu, Aug 17, 2023	224.88	228.59	222.51	226.59
7864	NASDAQ	CRVL	Wed, Aug 16, 2023	224.72	228.94	222.98	226.41
7863	NASDAQ	CRVL	Tue, Aug 15, 2023	218.81	227.56	218.81	224.78
7862	NASDAQ	CRVL	Mon, Aug 14, 2023	222.00	223.15	217.31	219.77
7861	NASDAQ	CRVL	Fri, Aug 11, 2023	220.00	224.06	220.00	222.04
7860	NASDAQ	CRVL	Thu, Aug 10, 2023	220.88	223.21	220.37	222.26
7859	NASDAQ	CRVL	Wed, Aug 9, 2023	214.89	222.00	214.13	221.04
7858	NASDAQ	CRVL	Tue, Aug 8, 2023	214.94	215.97	213.30	215.34
7857	NASDAQ	CRVL	Mon, Aug 7, 2023	211.97	216.19	211.97	215.42
7856	NASDAQ	CRVL	Fri, Aug 4, 2023	211.19	216.20	211.19	213.53
7855	NASDAQ	CRVL	Thu, Aug 3, 2023	215.24	216.34	210.19	210.87
7854	NASDAQ	CRVL	Wed, Aug 2, 2023	206.86	217.52	203.88	216.67
7853	NASDAQ	CRVL	Tue, Aug 1, 2023	202.60	206.03	199.20	205.36
7852	NASDAQ	CRVL	Mon, Jul 31, 2023	205.34	206.68	202.23	204.56
7851	NASDAQ	CRVL	Fri, Jul 28, 2023	206.44	208.77	203.25	204.17
7850	NASDAQ	CRVL	Thu, Jul 27, 2023	206.58	209.11	205.16	206.25
7849	NASDAQ	CRVL	Wed, Jul 26, 2023	214.28	214.28	206.57	206.58
7848	NASDAQ	CRVL	Tue, Jul 25, 2023	209.58	213.72	209.58	213.49
7847	NASDAQ	CRVL	Mon, Jul 24, 2023	212.69	212.69	208.61	210.59
7846	NASDAQ	CRVL	Fri, Jul 21, 2023	212.40	214.52	208.90	213.59
7845	NASDAQ	CRVL	Thu, Jul 20, 2023	205.51	212.22	204.18	211.65
7844	NASDAQ	CRVL	Wed, Jul 19, 2023	210.73	211.98	203.02	204.98
7843	NASDAQ	CRVL	Tue, Jul 18, 2023	208.91	212.02	206.59	209.36
7842	NASDAQ	CRVL	Mon, Jul 17, 2023	201.78	209.93	199.80	208.31
7841	NASDAQ	CRVL	Fri, Jul 14, 2023	194.28	201.72	193.50	201.64
7840	NASDAQ	CRVL	Thu, Jul 13, 2023	193.10	196.89	192.86	194.78
7839	NASDAQ	CRVL	Wed, Jul 12, 2023	195.15	196.90	193.90	194.31
7838	NASDAQ	CRVL	Tue, Jul 11, 2023	192.65	194.83	190.78	193.91
7837	NASDAQ	CRVL	Mon, Jul 10, 2023	190.27	195.02	190.27	192.68
7836	NASDAQ	CRVL	Fri, Jul 7, 2023	195.02	197.87	190.31	190.61
7835	NASDAQ	CRVL	Thu, Jul 6, 2023	194.59	198.25	193.61	194.89
7834	NASDAQ	CRVL	Wed, Jul 5, 2023	194.00	196.88	193.00	194.70
7833	NASDAQ	CRVL	Mon, Jul 3, 2023	191.96	196.95	191.19	195.92
7832	NASDAQ	CRVL	Fri, Jun 30, 2023	195.13	196.53	193.01	193.50
7831	NASDAQ	CRVL	Thu, Jun 29, 2023	193.15	196.93	193.15	194.58
7830	NASDAQ	CRVL	Wed, Jun 28, 2023	194.55	196.73	191.58	193.40
7829	NASDAQ	CRVL	Tue, Jun 27, 2023	193.48	197.66	190.38	195.25
7828	NASDAQ	CRVL	Mon, Jun 26, 2023	199.74	200.80	192.27	192.38
7827	NASDAQ	CRVL	Fri, Jun 23, 2023	199.34	204.49	198.29	200.24
7826	NASDAQ	CRVL	Thu, Jun 22, 2023	197.28	202.63	194.23	200.42
7825	NASDAQ	CRVL	Wed, Jun 21, 2023	196.02	197.82	190.84	196.58
7824	NASDAQ	CRVL	Tue, Jun 20, 2023	191.80	196.89	191.03	195.83
7823	NASDAQ	CRVL	Fri, Jun 16, 2023	194.60	194.60	188.78	191.91
7822	NASDAQ	CRVL	Thu, Jun 15, 2023	192.29	194.30	190.12	191.64
7821	NASDAQ	CRVL	Wed, Jun 14, 2023	195.42	195.99	190.40	191.67
7820	NASDAQ	CRVL	Tue, Jun 13, 2023	199.03	201.13	194.65	196.37
7819	NASDAQ	CRVL	Mon, Jun 12, 2023	199.10	201.03	197.71	199.21
7818	NASDAQ	CRVL	Fri, Jun 9, 2023	201.82	203.09	199.39	200.33
7817	NASDAQ	CRVL	Thu, Jun 8, 2023	206.35	206.35	200.26	203.87
7816	NASDAQ	CRVL	Wed, Jun 7, 2023	204.47	209.82	203.80	206.11
7815	NASDAQ	CRVL	Tue, Jun 6, 2023	199.00	205.00	198.23	202.88
7814	NASDAQ	CRVL	Mon, Jun 5, 2023	202.61	202.61	192.68	199.55
7813	NASDAQ	CRVL	Fri, Jun 2, 2023	196.96	205.25	196.96	204.51
7812	NASDAQ	CRVL	Thu, Jun 1, 2023	195.95	196.88	190.67	195.17
7811	NASDAQ	CRVL	Wed, May 31, 2023	193.71	196.47	191.49	195.44
7810	NASDAQ	CRVL	Tue, May 30, 2023	194.91	196.22	191.01	192.46
7809	NASDAQ	CRVL	Fri, May 26, 2023	200.62	202.63	194.41	195.81
7808	NASDAQ	CRVL	Thu, May 25, 2023	200.27	203.62	199.72	201.65
7807	NASDAQ	CRVL	Wed, May 24, 2023	201.86	202.47	199.03	199.77
7806	NASDAQ	CRVL	Tue, May 23, 2023	205.09	207.23	201.23	201.98
7805	NASDAQ	CRVL	Mon, May 22, 2023	205.37	206.22	199.30	204.04
7804	NASDAQ	CRVL	Fri, May 19, 2023	207.55	209.82	205.00	205.37
7803	NASDAQ	CRVL	Thu, May 18, 2023	205.74	208.14	203.67	205.49
7802	NASDAQ	CRVL	Wed, May 17, 2023	215.77	215.80	203.88	206.92
7801	NASDAQ	CRVL	Tue, May 16, 2023	221.05	221.82	215.89	215.89
7800	NASDAQ	CRVL	Mon, May 15, 2023	218.56	221.04	217.65	221.04
7799	NASDAQ	CRVL	Fri, May 12, 2023	216.42	219.13	214.50	219.13
7798	NASDAQ	CRVL	Thu, May 11, 2023	217.84	221.13	215.10	216.90
7797	NASDAQ	CRVL	Wed, May 10, 2023	211.51	216.75	211.51	216.60
7796	NASDAQ	CRVL	Tue, May 9, 2023	207.91	212.60	207.91	209.33
7795	NASDAQ	CRVL	Mon, May 8, 2023	208.48	209.43	206.66	209.14
7794	NASDAQ	CRVL	Fri, May 5, 2023	207.90	209.48	202.69	208.94
7793	NASDAQ	CRVL	Thu, May 4, 2023	208.94	209.60	202.32	206.43
7792	NASDAQ	CRVL	Wed, May 3, 2023	205.81	210.68	205.10	209.32
7791	NASDAQ	CRVL	Tue, May 2, 2023	203.83	204.93	200.45	204.86
7790	NASDAQ	CRVL	Mon, May 1, 2023	202.10	205.96	202.10	204.72
7789	NASDAQ	CRVL	Fri, Apr 28, 2023	201.49	202.60	200.90	202.03
7788	NASDAQ	CRVL	Thu, Apr 27, 2023	199.35	201.95	198.96	201.74
7787	NASDAQ	CRVL	Wed, Apr 26, 2023	199.89	200.57	196.58	199.10
7786	NASDAQ	CRVL	Tue, Apr 25, 2023	202.18	203.19	200.75	200.88
7785	NASDAQ	CRVL	Mon, Apr 24, 2023	203.76	206.05	202.80	202.89
7784	NASDAQ	CRVL	Fri, Apr 21, 2023	200.53	204.42	200.53	204.20
7783	NASDAQ	CRVL	Thu, Apr 20, 2023	197.93	201.12	196.00	200.60
7782	NASDAQ	CRVL	Wed, Apr 19, 2023	196.72	198.61	194.65	198.09
7781	NASDAQ	CRVL	Tue, Apr 18, 2023	197.36	198.10	194.63	196.32
7780	NASDAQ	CRVL	Mon, Apr 17, 2023	198.34	199.10	195.99	196.14
7779	NASDAQ	CRVL	Fri, Apr 14, 2023	197.82	198.38	195.70	198.20
7778	NASDAQ	CRVL	Thu, Apr 13, 2023	196.41	198.23	195.05	198.23
7777	NASDAQ	CRVL	Wed, Apr 12, 2023	193.11	196.74	193.11	195.42
7776	NASDAQ	CRVL	Tue, Apr 11, 2023	194.36	196.79	192.71	194.57
7775	NASDAQ	CRVL	Mon, Apr 10, 2023	189.78	194.41	188.18	193.85
7774	NASDAQ	CRVL	Thu, Apr 6, 2023	192.75	194.33	190.99	191.51
7773	NASDAQ	CRVL	Wed, Apr 5, 2023	192.38	193.80	187.89	193.18
7772	NASDAQ	CRVL	Tue, Apr 4, 2023	191.42	193.52	190.59	193.05
7771	NASDAQ	CRVL	Mon, Apr 3, 2023	190.28	190.93	188.55	190.75
7770	NASDAQ	CRVL	Fri, Mar 31, 2023	189.92	190.89	189.19	190.28
7769	NASDAQ	CRVL	Thu, Mar 30, 2023	188.63	190.35	188.05	189.04
7768	NASDAQ	CRVL	Wed, Mar 29, 2023	191.79	191.79	188.72	188.84
7767	NASDAQ	CRVL	Tue, Mar 28, 2023	189.54	191.08	187.34	190.00
7766	NASDAQ	CRVL	Mon, Mar 27, 2023	189.29	190.82	187.66	190.49
7765	NASDAQ	CRVL	Fri, Mar 24, 2023	182.08	188.37	182.08	186.70
7764	NASDAQ	CRVL	Thu, Mar 23, 2023	186.06	187.92	182.45	183.53
7763	NASDAQ	CRVL	Wed, Mar 22, 2023	188.10	189.41	185.24	185.84
7762	NASDAQ	CRVL	Tue, Mar 21, 2023	190.00	191.43	184.11	188.93
7761	NASDAQ	CRVL	Mon, Mar 20, 2023	187.15	190.00	185.32	189.06
7760	NASDAQ	CRVL	Fri, Mar 17, 2023	185.84	187.25	184.65	186.13
7759	NASDAQ	CRVL	Thu, Mar 16, 2023	179.82	187.48	179.38	186.50
7758	NASDAQ	CRVL	Wed, Mar 15, 2023	178.75	181.20	177.69	180.86
7757	NASDAQ	CRVL	Tue, Mar 14, 2023	180.15	181.91	177.60	181.88
7756	NASDAQ	CRVL	Mon, Mar 13, 2023	173.88	178.63	172.50	176.89
7755	NASDAQ	CRVL	Fri, Mar 10, 2023	177.02	178.27	174.74	175.72
7754	NASDAQ	CRVL	Thu, Mar 9, 2023	178.43	180.39	176.97	177.43
7753	NASDAQ	CRVL	Wed, Mar 8, 2023	177.78	179.69	176.28	178.00
7752	NASDAQ	CRVL	Tue, Mar 7, 2023	178.35	180.20	176.72	177.88
7751	NASDAQ	CRVL	Mon, Mar 6, 2023	183.84	183.84	178.17	178.35
7750	NASDAQ	CRVL	Fri, Mar 3, 2023	182.33	184.00	181.50	184.00
7749	NASDAQ	CRVL	Thu, Mar 2, 2023	182.79	183.82	180.01	181.93
7748	NASDAQ	CRVL	Wed, Mar 1, 2023	180.33	184.00	179.49	183.99
7747	NASDAQ	CRVL	Tue, Feb 28, 2023	180.94	182.79	179.18	180.28
7746	NASDAQ	CRVL	Mon, Feb 27, 2023	185.00	185.00	178.94	180.64
7745	NASDAQ	CRVL	Fri, Feb 24, 2023	181.30	184.98	179.82	184.59
7744	NASDAQ	CRVL	Thu, Feb 23, 2023	182.98	184.17	178.81	181.96
7743	NASDAQ	CRVL	Wed, Feb 22, 2023	181.33	183.53	178.62	182.48
7742	NASDAQ	CRVL	Tue, Feb 21, 2023	182.04	184.12	180.01	180.68
7741	NASDAQ	CRVL	Fri, Feb 17, 2023	182.02	185.62	181.11	184.24
7740	NASDAQ	CRVL	Thu, Feb 16, 2023	180.93	185.99	180.34	181.26
7739	NASDAQ	CRVL	Wed, Feb 15, 2023	179.67	184.65	179.16	183.49
7738	NASDAQ	CRVL	Tue, Feb 14, 2023	181.66	184.10	180.00	180.68
7737	NASDAQ	CRVL	Mon, Feb 13, 2023	181.22	183.08	179.70	182.13
7736	NASDAQ	CRVL	Fri, Feb 10, 2023	179.91	181.37	178.66	179.86
7735	NASDAQ	CRVL	Thu, Feb 9, 2023	182.73	185.26	179.52	180.95
7734	NASDAQ	CRVL	Wed, Feb 8, 2023	186.48	188.90	180.41	181.67
7733	NASDAQ	CRVL	Tue, Feb 7, 2023	181.22	188.05	179.60	187.39
7732	NASDAQ	CRVL	Mon, Feb 6, 2023	184.42	185.15	181.56	181.99
7731	NASDAQ	CRVL	Fri, Feb 3, 2023	187.73	190.59	184.15	185.06
7730	NASDAQ	CRVL	Thu, Feb 2, 2023	183.50	192.13	182.10	189.02
7729	NASDAQ	CRVL	Wed, Feb 1, 2023	178.09	184.67	177.00	183.29
7728	NASDAQ	CRVL	Tue, Jan 31, 2023	174.18	179.85	170.64	178.16
7727	NASDAQ	CRVL	Mon, Jan 30, 2023	169.95	175.15	168.00	172.75
7726	NASDAQ	CRVL	Fri, Jan 27, 2023	167.63	171.94	166.40	171.52
7725	NASDAQ	CRVL	Thu, Jan 26, 2023	165.75	168.00	164.85	167.97
7724	NASDAQ	CRVL	Wed, Jan 25, 2023	163.40	165.57	161.90	164.78
7723	NASDAQ	CRVL	Tue, Jan 24, 2023	164.72	166.30	163.28	163.70
7722	NASDAQ	CRVL	Mon, Jan 23, 2023	165.57	168.62	159.29	164.68
7721	NASDAQ	CRVL	Fri, Jan 20, 2023	161.34	167.52	158.92	164.68
7720	NASDAQ	CRVL	Thu, Jan 19, 2023	159.72	162.38	157.94	160.08
7719	NASDAQ	CRVL	Wed, Jan 18, 2023	162.21	163.99	158.97	159.42
7718	NASDAQ	CRVL	Tue, Jan 17, 2023	155.63	163.96	155.10	161.60
7717	NASDAQ	CRVL	Fri, Jan 13, 2023	153.93	157.80	152.32	156.43
7716	NASDAQ	CRVL	Thu, Jan 12, 2023	151.63	156.01	149.83	154.41
7715	NASDAQ	CRVL	Wed, Jan 11, 2023	149.19	152.30	147.99	151.75
7714	NASDAQ	CRVL	Tue, Jan 10, 2023	147.15	149.35	145.70	149.35
7713	NASDAQ	CRVL	Mon, Jan 9, 2023	143.93	147.56	143.25	146.62
7712	NASDAQ	CRVL	Fri, Jan 6, 2023	141.48	145.37	139.76	144.12
7711	NASDAQ	CRVL	Thu, Jan 5, 2023	142.00	142.94	140.77	141.00
7710	NASDAQ	CRVL	Wed, Jan 4, 2023	146.59	147.45	143.17	143.49
7709	NASDAQ	CRVL	Tue, Jan 3, 2023	145.53	146.77	142.75	146.03
7708	NASDAQ	CRVL	Fri, Dec 30, 2022	144.97	147.52	144.22	145.33
7707	NASDAQ	CRVL	Thu, Dec 29, 2022	145.03	147.84	143.87	145.51
7706	NASDAQ	CRVL	Wed, Dec 28, 2022	148.24	149.81	143.72	143.72
7705	NASDAQ	CRVL	Tue, Dec 27, 2022	144.69	148.30	142.87	147.65
7704	NASDAQ	CRVL	Fri, Dec 23, 2022	144.88	146.86	142.85	143.90
7703	NASDAQ	CRVL	Thu, Dec 22, 2022	141.39	146.26	139.69	145.59
7702	NASDAQ	CRVL	Wed, Dec 21, 2022	139.89	142.89	139.50	141.81
7701	NASDAQ	CRVL	Tue, Dec 20, 2022	138.19	140.74	136.99	138.90
7700	NASDAQ	CRVL	Mon, Dec 19, 2022	138.27	140.92	136.22	138.44
7699	NASDAQ	CRVL	Fri, Dec 16, 2022	138.72	140.74	138.20	138.80
7698	NASDAQ	CRVL	Thu, Dec 15, 2022	143.11	143.85	139.76	140.21
7697	NASDAQ	CRVL	Wed, Dec 14, 2022	148.11	149.50	142.84	144.75
7696	NASDAQ	CRVL	Tue, Dec 13, 2022	151.58	151.80	147.35	147.72
7695	NASDAQ	CRVL	Mon, Dec 12, 2022	146.74	149.86	146.50	148.77
7694	NASDAQ	CRVL	Fri, Dec 9, 2022	146.55	148.64	146.01	147.06
7693	NASDAQ	CRVL	Thu, Dec 8, 2022	148.55	150.00	146.53	147.94
7692	NASDAQ	CRVL	Wed, Dec 7, 2022	145.71	147.72	144.33	147.59
7691	NASDAQ	CRVL	Tue, Dec 6, 2022	148.41	149.81	143.55	144.93
7690	NASDAQ	CRVL	Mon, Dec 5, 2022	151.03	151.99	146.91	148.27
7689	NASDAQ	CRVL	Fri, Dec 2, 2022	152.51	154.40	151.16	152.89
7688	NASDAQ	CRVL	Thu, Dec 1, 2022	154.69	154.69	148.87	153.79
7687	NASDAQ	CRVL	Wed, Nov 30, 2022	148.30	153.56	145.57	152.97
7686	NASDAQ	CRVL	Tue, Nov 29, 2022	150.05	151.49	148.35	148.71
7685	NASDAQ	CRVL	Mon, Nov 28, 2022	151.36	152.59	148.77	150.21
7684	NASDAQ	CRVL	Fri, Nov 25, 2022	150.25	153.88	148.56	151.36
7683	NASDAQ	CRVL	Wed, Nov 23, 2022	150.09	151.38	146.45	149.56
7682	NASDAQ	CRVL	Tue, Nov 22, 2022	149.59	150.77	147.28	149.34
7681	NASDAQ	CRVL	Mon, Nov 21, 2022	147.45	149.75	145.99	148.71
7680	NASDAQ	CRVL	Fri, Nov 18, 2022	152.78	152.90	148.26	148.70
7679	NASDAQ	CRVL	Thu, Nov 17, 2022	148.24	151.59	145.26	150.25
7678	NASDAQ	CRVL	Wed, Nov 16, 2022	151.34	153.53	148.96	150.06
7677	NASDAQ	CRVL	Tue, Nov 15, 2022	154.53	154.53	151.66	152.50
7676	NASDAQ	CRVL	Mon, Nov 14, 2022	152.05	153.69	149.16	151.84
7675	NASDAQ	CRVL	Fri, Nov 11, 2022	153.75	155.25	147.94	151.46
7674	NASDAQ	CRVL	Thu, Nov 10, 2022	152.00	154.82	150.69	154.82
7673	NASDAQ	CRVL	Wed, Nov 9, 2022	146.19	152.69	146.19	147.15
7672	NASDAQ	CRVL	Tue, Nov 8, 2022	154.77	154.77	147.50	147.56
7671	NASDAQ	CRVL	Mon, Nov 7, 2022	156.80	157.70	153.58	155.34
7670	NASDAQ	CRVL	Fri, Nov 4, 2022	156.40	159.19	154.58	157.20
7669	NASDAQ	CRVL	Thu, Nov 3, 2022	154.36	159.94	154.36	155.99
7668	NASDAQ	CRVL	Wed, Nov 2, 2022	158.01	163.11	156.26	156.26
7667	NASDAQ	CRVL	Tue, Nov 1, 2022	163.52	163.53	156.80	159.13
7666	NASDAQ	CRVL	Mon, Oct 31, 2022	161.21	165.43	161.21	164.21
7665	NASDAQ	CRVL	Fri, Oct 28, 2022	158.75	163.42	157.60	162.23
7664	NASDAQ	CRVL	Thu, Oct 27, 2022	161.00	161.00	157.73	158.88
7663	NASDAQ	CRVL	Wed, Oct 26, 2022	161.61	163.82	161.33	161.33
7662	NASDAQ	CRVL	Tue, Oct 25, 2022	157.40	161.75	157.22	160.21
7661	NASDAQ	CRVL	Mon, Oct 24, 2022	154.86	158.28	153.24	156.53
7660	NASDAQ	CRVL	Fri, Oct 21, 2022	152.67	154.99	150.45	154.60
7659	NASDAQ	CRVL	Thu, Oct 20, 2022	153.94	153.94	149.58	151.70
7658	NASDAQ	CRVL	Wed, Oct 19, 2022	152.45	153.99	149.90	153.09
7657	NASDAQ	CRVL	Tue, Oct 18, 2022	152.05	154.19	150.45	152.53
7656	NASDAQ	CRVL	Mon, Oct 17, 2022	147.15	150.38	147.15	149.85
7655	NASDAQ	CRVL	Fri, Oct 14, 2022	150.37	150.91	144.68	145.36
7654	NASDAQ	CRVL	Thu, Oct 13, 2022	144.41	150.21	144.15	149.55
7653	NASDAQ	CRVL	Wed, Oct 12, 2022	146.74	147.71	144.39	145.47
7652	NASDAQ	CRVL	Tue, Oct 11, 2022	143.30	147.92	141.77	145.87
7651	NASDAQ	CRVL	Mon, Oct 10, 2022	139.31	143.53	138.71	142.84
7650	NASDAQ	CRVL	Fri, Oct 7, 2022	138.95	140.10	135.81	139.25
7649	NASDAQ	CRVL	Thu, Oct 6, 2022	142.79	142.80	139.79	139.79
7648	NASDAQ	CRVL	Wed, Oct 5, 2022	143.79	145.13	141.33	143.84
7647	NASDAQ	CRVL	Tue, Oct 4, 2022	143.60	147.46	143.60	145.70
7646	NASDAQ	CRVL	Mon, Oct 3, 2022	138.77	143.04	138.77	141.74
7645	NASDAQ	CRVL	Fri, Sep 30, 2022	139.53	142.82	137.60	138.43
7644	NASDAQ	CRVL	Thu, Sep 29, 2022	137.92	139.80	136.62	139.66
7643	NASDAQ	CRVL	Wed, Sep 28, 2022	137.46	141.22	136.66	140.16
7642	NASDAQ	CRVL	Tue, Sep 27, 2022	143.55	144.10	136.79	137.28
7641	NASDAQ	CRVL	Mon, Sep 26, 2022	139.92	145.10	139.06	142.75
7640	NASDAQ	CRVL	Fri, Sep 23, 2022	145.01	145.18	139.24	141.58
7639	NASDAQ	CRVL	Thu, Sep 22, 2022	146.04	146.04	142.64	145.35
7638	NASDAQ	CRVL	Wed, Sep 21, 2022	150.59	152.30	146.72	146.72
7637	NASDAQ	CRVL	Tue, Sep 20, 2022	151.76	151.76	146.25	149.19
7636	NASDAQ	CRVL	Mon, Sep 19, 2022	151.04	151.76	148.60	151.76
7635	NASDAQ	CRVL	Fri, Sep 16, 2022	150.92	151.73	147.78	151.49
7634	NASDAQ	CRVL	Thu, Sep 15, 2022	152.57	154.09	150.08	152.16
7633	NASDAQ	CRVL	Wed, Sep 14, 2022	152.85	153.08	150.24	152.16
7632	NASDAQ	CRVL	Tue, Sep 13, 2022	154.91	156.50	151.95	152.85
7631	NASDAQ	CRVL	Mon, Sep 12, 2022	158.06	160.41	156.82	157.95
7630	NASDAQ	CRVL	Fri, Sep 9, 2022	157.25	159.17	156.28	158.23
7629	NASDAQ	CRVL	Thu, Sep 8, 2022	156.81	157.75	154.98	155.87
7628	NASDAQ	CRVL	Wed, Sep 7, 2022	153.40	157.85	152.34	157.12
7627	NASDAQ	CRVL	Tue, Sep 6, 2022	151.50	152.68	148.75	152.40
7626	NASDAQ	CRVL	Fri, Sep 2, 2022	155.60	155.83	150.41	151.35
7625	NASDAQ	CRVL	Thu, Sep 1, 2022	154.76	156.53	152.68	154.21
7624	NASDAQ	CRVL	Wed, Aug 31, 2022	157.05	158.49	154.54	155.38
7623	NASDAQ	CRVL	Tue, Aug 30, 2022	160.31	163.10	154.79	155.75
7622	NASDAQ	CRVL	Mon, Aug 29, 2022	157.28	162.70	156.37	160.57
7621	NASDAQ	CRVL	Fri, Aug 26, 2022	165.05	165.10	158.45	158.45
7620	NASDAQ	CRVL	Thu, Aug 25, 2022	164.81	165.55	161.20	164.38
7619	NASDAQ	CRVL	Wed, Aug 24, 2022	161.77	165.81	161.11	163.43
7618	NASDAQ	CRVL	Tue, Aug 23, 2022	170.42	170.42	161.70	162.46
7617	NASDAQ	CRVL	Mon, Aug 22, 2022	170.36	173.70	168.97	171.00
7616	NASDAQ	CRVL	Fri, Aug 19, 2022	171.59	173.60	169.61	171.48
7615	NASDAQ	CRVL	Thu, Aug 18, 2022	169.91	173.19	169.91	171.41
7614	NASDAQ	CRVL	Wed, Aug 17, 2022	167.92	171.10	167.92	170.29
7613	NASDAQ	CRVL	Tue, Aug 16, 2022	167.42	171.10	166.67	168.75
7612	NASDAQ	CRVL	Mon, Aug 15, 2022	161.68	167.58	161.68	167.25
7611	NASDAQ	CRVL	Fri, Aug 12, 2022	160.69	163.48	160.26	163.07
7610	NASDAQ	CRVL	Thu, Aug 11, 2022	160.59	162.45	159.56	159.86
7609	NASDAQ	CRVL	Wed, Aug 10, 2022	159.33	161.77	158.57	160.48
7608	NASDAQ	CRVL	Tue, Aug 9, 2022	158.14	159.93	156.00	157.07
7607	NASDAQ	CRVL	Mon, Aug 8, 2022	157.18	162.00	157.18	158.94
7606	NASDAQ	CRVL	Fri, Aug 5, 2022	161.79	163.14	157.38	157.46
7605	NASDAQ	CRVL	Thu, Aug 4, 2022	166.38	166.38	162.21	163.61
7604	NASDAQ	CRVL	Wed, Aug 3, 2022	167.07	168.43	165.88	168.08
7603	NASDAQ	CRVL	Tue, Aug 2, 2022	164.35	170.16	164.35	168.11
7602	NASDAQ	CRVL	Mon, Aug 1, 2022	165.00	168.00	163.03	165.50
7601	NASDAQ	CRVL	Fri, Jul 29, 2022	164.00	165.00	161.78	164.89
7600	NASDAQ	CRVL	Thu, Jul 28, 2022	161.00	164.00	158.68	163.98
7599	NASDAQ	CRVL	Wed, Jul 27, 2022	158.49	161.00	157.70	160.93
7598	NASDAQ	CRVL	Tue, Jul 26, 2022	158.57	159.28	157.03	158.57
7597	NASDAQ	CRVL	Mon, Jul 25, 2022	155.88	157.63	155.70	157.32
7596	NASDAQ	CRVL	Fri, Jul 22, 2022	158.27	158.27	150.32	154.80
7595	NASDAQ	CRVL	Thu, Jul 21, 2022	155.00	157.07	153.18	157.07
7594	NASDAQ	CRVL	Wed, Jul 20, 2022	154.23	155.00	152.67	154.55
7593	NASDAQ	CRVL	Tue, Jul 19, 2022	150.85	154.79	150.85	153.60
7592	NASDAQ	CRVL	Mon, Jul 18, 2022	152.13	152.13	148.44	148.65
7591	NASDAQ	CRVL	Fri, Jul 15, 2022	149.71	153.64	147.47	152.06
7590	NASDAQ	CRVL	Thu, Jul 14, 2022	142.78	147.30	140.95	147.16
7589	NASDAQ	CRVL	Wed, Jul 13, 2022	144.02	147.06	144.02	144.55
7588	NASDAQ	CRVL	Tue, Jul 12, 2022	149.63	151.60	143.11	144.90
7587	NASDAQ	CRVL	Mon, Jul 11, 2022	148.37	152.20	148.37	150.29
7586	NASDAQ	CRVL	Fri, Jul 8, 2022	152.39	154.00	148.58	149.59
7585	NASDAQ	CRVL	Thu, Jul 7, 2022	149.85	153.71	149.85	152.50
7584	NASDAQ	CRVL	Wed, Jul 6, 2022	152.95	153.00	149.74	150.45
7583	NASDAQ	CRVL	Tue, Jul 5, 2022	149.25	153.00	147.91	152.36
7582	NASDAQ	CRVL	Fri, Jul 1, 2022	148.77	151.45	148.21	151.31
7581	NASDAQ	CRVL	Thu, Jun 30, 2022	145.30	149.89	144.33	147.27
7580	NASDAQ	CRVL	Wed, Jun 29, 2022	145.77	148.09	132.48	146.92
7579	NASDAQ	CRVL	Tue, Jun 28, 2022	146.54	149.15	144.24	144.85
7578	NASDAQ	CRVL	Mon, Jun 27, 2022	148.92	148.92	145.44	146.44
7577	NASDAQ	CRVL	Fri, Jun 24, 2022	146.73	148.32	144.07	148.06
7576	NASDAQ	CRVL	Thu, Jun 23, 2022	141.77	147.12	141.77	146.65
7575	NASDAQ	CRVL	Wed, Jun 22, 2022	136.06	140.96	136.06	140.70
7574	NASDAQ	CRVL	Tue, Jun 21, 2022	136.68	139.36	135.69	137.33
7573	NASDAQ	CRVL	Fri, Jun 17, 2022	133.20	138.29	133.20	135.90
7572	NASDAQ	CRVL	Thu, Jun 16, 2022	132.85	133.99	129.19	131.96
7571	NASDAQ	CRVL	Wed, Jun 15, 2022	134.03	138.61	134.03	135.34
7570	NASDAQ	CRVL	Tue, Jun 14, 2022	138.99	139.37	133.07	133.51
7569	NASDAQ	CRVL	Mon, Jun 13, 2022	137.71	140.93	135.33	139.20
7568	NASDAQ	CRVL	Fri, Jun 10, 2022	139.45	142.75	136.15	140.43
7567	NASDAQ	CRVL	Thu, Jun 9, 2022	140.72	143.30	139.69	140.20
7566	NASDAQ	CRVL	Wed, Jun 8, 2022	143.05	144.31	140.89	140.94
7565	NASDAQ	CRVL	Tue, Jun 7, 2022	140.12	143.05	140.12	143.05
7564	NASDAQ	CRVL	Mon, Jun 6, 2022	146.88	146.88	140.51	141.69
7563	NASDAQ	CRVL	Fri, Jun 3, 2022	148.89	149.08	145.27	145.37
7562	NASDAQ	CRVL	Thu, Jun 2, 2022	147.69	151.27	146.85	150.39
7561	NASDAQ	CRVL	Wed, Jun 1, 2022	149.84	149.85	146.85	148.04
7560	NASDAQ	CRVL	Tue, May 31, 2022	152.00	152.00	148.24	149.16
7559	NASDAQ	CRVL	Fri, May 27, 2022	152.81	155.54	151.20	152.13
7558	NASDAQ	CRVL	Thu, May 26, 2022	150.87	154.77	150.82	151.24
7557	NASDAQ	CRVL	Wed, May 25, 2022	148.89	153.07	148.89	149.66
7556	NASDAQ	CRVL	Tue, May 24, 2022	146.00	148.47	144.40	148.43
7555	NASDAQ	CRVL	Mon, May 23, 2022	150.66	152.24	147.14	147.74
7554	NASDAQ	CRVL	Fri, May 20, 2022	151.26	151.92	148.06	150.29
7553	NASDAQ	CRVL	Thu, May 19, 2022	146.49	151.39	146.49	149.44
7552	NASDAQ	CRVL	Wed, May 18, 2022	154.11	154.77	149.33	149.61
7551	NASDAQ	CRVL	Tue, May 17, 2022	154.65	157.62	153.11	156.84
7550	NASDAQ	CRVL	Mon, May 16, 2022	151.80	153.58	149.36	151.76
7549	NASDAQ	CRVL	Fri, May 13, 2022	150.53	155.06	150.53	153.09
7548	NASDAQ	CRVL	Thu, May 12, 2022	146.07	149.98	144.11	148.89
7547	NASDAQ	CRVL	Wed, May 11, 2022	151.12	152.95	145.77	147.17
7546	NASDAQ	CRVL	Tue, May 10, 2022	152.36	154.09	146.04	150.21
7545	NASDAQ	CRVL	Mon, May 9, 2022	149.89	152.56	148.38	151.35
7544	NASDAQ	CRVL	Fri, May 6, 2022	150.03	152.63	150.03	151.94
7543	NASDAQ	CRVL	Thu, May 5, 2022	156.43	156.43	149.24	151.08
7542	NASDAQ	CRVL	Wed, May 4, 2022	155.60	158.61	153.72	156.63
7541	NASDAQ	CRVL	Tue, May 3, 2022	156.37	157.26	153.62	156.08
7540	NASDAQ	CRVL	Mon, May 2, 2022	154.42	159.09	154.14	155.59
7539	NASDAQ	CRVL	Fri, Apr 29, 2022	158.47	158.76	154.13	155.08
7538	NASDAQ	CRVL	Thu, Apr 28, 2022	157.07	160.81	154.83	160.01
7537	NASDAQ	CRVL	Wed, Apr 27, 2022	161.10	161.10	155.32	155.98
7536	NASDAQ	CRVL	Tue, Apr 26, 2022	165.43	165.74	159.79	160.14
7535	NASDAQ	CRVL	Mon, Apr 25, 2022	165.52	167.39	164.35	167.05
7534	NASDAQ	CRVL	Fri, Apr 22, 2022	173.81	173.81	164.34	165.42
7533	NASDAQ	CRVL	Thu, Apr 21, 2022	183.20	183.20	174.94	175.26
7532	NASDAQ	CRVL	Wed, Apr 20, 2022	179.61	182.52	179.61	181.70
7531	NASDAQ	CRVL	Tue, Apr 19, 2022	175.08	180.00	175.08	178.05
7530	NASDAQ	CRVL	Mon, Apr 18, 2022	177.51	177.89	173.37	175.41
7529	NASDAQ	CRVL	Thu, Apr 14, 2022	180.00	181.89	178.36	178.82
7528	NASDAQ	CRVL	Wed, Apr 13, 2022	177.47	180.21	177.47	179.73
7527	NASDAQ	CRVL	Tue, Apr 12, 2022	175.66	178.91	174.09	178.00
7526	NASDAQ	CRVL	Mon, Apr 11, 2022	173.99	175.66	173.48	174.01
7525	NASDAQ	CRVL	Fri, Apr 8, 2022	173.91	176.52	173.22	173.83
7524	NASDAQ	CRVL	Thu, Apr 7, 2022	169.87	174.94	169.87	174.84
7523	NASDAQ	CRVL	Wed, Apr 6, 2022	168.30	171.26	165.53	168.90
7522	NASDAQ	CRVL	Tue, Apr 5, 2022	168.93	173.35	166.60	170.02
7521	NASDAQ	CRVL	Mon, Apr 4, 2022	173.01	173.01	166.82	169.27
7520	NASDAQ	CRVL	Fri, Apr 1, 2022	170.00	174.69	170.00	173.87
7519	NASDAQ	CRVL	Thu, Mar 31, 2022	167.99	172.31	167.27	168.44
7518	NASDAQ	CRVL	Wed, Mar 30, 2022	168.81	172.77	166.86	168.37
7517	NASDAQ	CRVL	Tue, Mar 29, 2022	166.65	170.23	165.31	169.79
7516	NASDAQ	CRVL	Mon, Mar 28, 2022	162.78	165.70	161.50	164.60
7515	NASDAQ	CRVL	Fri, Mar 25, 2022	166.83	167.42	163.51	163.51
7514	NASDAQ	CRVL	Thu, Mar 24, 2022	165.25	168.27	164.68	168.03
7513	NASDAQ	CRVL	Wed, Mar 23, 2022	170.29	170.29	164.96	165.25
7512	NASDAQ	CRVL	Tue, Mar 22, 2022	169.34	170.10	168.35	169.84
7511	NASDAQ	CRVL	Mon, Mar 21, 2022	170.99	172.28	167.75	168.04
7510	NASDAQ	CRVL	Fri, Mar 18, 2022	170.50	172.37	169.60	172.30
7509	NASDAQ	CRVL	Thu, Mar 17, 2022	165.38	172.29	164.79	169.37
7508	NASDAQ	CRVL	Wed, Mar 16, 2022	160.60	165.87	159.42	165.51
7507	NASDAQ	CRVL	Tue, Mar 15, 2022	156.35	160.28	156.33	159.30
7506	NASDAQ	CRVL	Mon, Mar 14, 2022	157.91	157.91	154.78	156.23
7505	NASDAQ	CRVL	Fri, Mar 11, 2022	157.85	158.39	155.60	156.67
7504	NASDAQ	CRVL	Thu, Mar 10, 2022	158.84	159.56	153.85	157.30
7503	NASDAQ	CRVL	Wed, Mar 9, 2022	157.73	162.00	156.28	161.45
7502	NASDAQ	CRVL	Tue, Mar 8, 2022	163.40	163.64	155.95	156.75
7501	NASDAQ	CRVL	Mon, Mar 7, 2022	163.19	167.87	162.52	162.79
7500	NASDAQ	CRVL	Fri, Mar 4, 2022	165.00	167.75	163.41	163.94
7499	NASDAQ	CRVL	Thu, Mar 3, 2022	166.43	167.45	163.26	166.05
7498	NASDAQ	CRVL	Wed, Mar 2, 2022	165.46	169.79	165.46	166.79
7497	NASDAQ	CRVL	Tue, Mar 1, 2022	159.07	167.10	157.21	164.95
7496	NASDAQ	CRVL	Mon, Feb 28, 2022	155.97	160.00	155.97	159.06
7495	NASDAQ	CRVL	Fri, Feb 25, 2022	156.49	157.86	154.41	157.47
7494	NASDAQ	CRVL	Thu, Feb 24, 2022	158.47	158.47	153.69	156.13
7493	NASDAQ	CRVL	Wed, Feb 23, 2022	163.25	164.18	160.96	161.63
7492	NASDAQ	CRVL	Tue, Feb 22, 2022	160.97	165.33	160.32	161.73
7491	NASDAQ	CRVL	Fri, Feb 18, 2022	161.86	167.23	161.53	162.48
7490	NASDAQ	CRVL	Thu, Feb 17, 2022	163.53	166.30	162.18	162.92
7489	NASDAQ	CRVL	Wed, Feb 16, 2022	164.18	167.84	163.84	165.50
7488	NASDAQ	CRVL	Tue, Feb 15, 2022	161.29	168.18	160.66	164.70
7487	NASDAQ	CRVL	Mon, Feb 14, 2022	158.18	162.09	157.89	160.84
7486	NASDAQ	CRVL	Fri, Feb 11, 2022	158.14	161.57	156.78	158.74
7485	NASDAQ	CRVL	Thu, Feb 10, 2022	154.61	162.11	154.02	158.24
7484	NASDAQ	CRVL	Wed, Feb 9, 2022	156.25	160.80	155.93	157.39
7483	NASDAQ	CRVL	Tue, Feb 8, 2022	151.25	160.84	151.15	156.13
7482	NASDAQ	CRVL	Mon, Feb 7, 2022	151.83	151.83	148.76	151.32
7481	NASDAQ	CRVL	Fri, Feb 4, 2022	152.81	153.09	147.04	150.01
7480	NASDAQ	CRVL	Thu, Feb 3, 2022	157.25	157.76	153.00	153.03
7479	NASDAQ	CRVL	Wed, Feb 2, 2022	167.87	168.28	157.68	158.60
7478	NASDAQ	CRVL	Tue, Feb 1, 2022	177.21	178.95	166.97	169.28
7477	NASDAQ	CRVL	Mon, Jan 31, 2022	173.99	176.78	172.25	176.12
7476	NASDAQ	CRVL	Fri, Jan 28, 2022	170.50	174.52	167.05	174.52
7475	NASDAQ	CRVL	Thu, Jan 27, 2022	173.25	175.18	168.55	169.52
7474	NASDAQ	CRVL	Wed, Jan 26, 2022	176.73	178.01	172.19	173.42
7473	NASDAQ	CRVL	Tue, Jan 25, 2022	179.75	179.75	172.27	174.28
7472	NASDAQ	CRVL	Mon, Jan 24, 2022	174.99	182.62	172.30	182.25
7471	NASDAQ	CRVL	Fri, Jan 21, 2022	177.84	181.34	177.04	177.67
7470	NASDAQ	CRVL	Thu, Jan 20, 2022	182.37	186.64	177.50	177.57
7469	NASDAQ	CRVL	Wed, Jan 19, 2022	188.03	189.95	181.17	181.52
7468	NASDAQ	CRVL	Tue, Jan 18, 2022	190.41	191.38	186.25	187.74
7467	NASDAQ	CRVL	Fri, Jan 14, 2022	204.34	206.98	190.03	192.92
7466	NASDAQ	CRVL	Thu, Jan 13, 2022	197.52	210.93	197.52	206.33
7465	NASDAQ	CRVL	Wed, Jan 12, 2022	194.62	200.91	193.89	197.73
7464	NASDAQ	CRVL	Tue, Jan 11, 2022	192.76	196.71	188.34	195.02
7463	NASDAQ	CRVL	Mon, Jan 10, 2022	189.14	192.15	182.78	191.70
7462	NASDAQ	CRVL	Fri, Jan 7, 2022	196.52	196.52	190.21	190.74
7461	NASDAQ	CRVL	Thu, Jan 6, 2022	196.23	197.57	193.40	196.13
7460	NASDAQ	CRVL	Wed, Jan 5, 2022	202.41	203.00	196.10	197.19
7459	NASDAQ	CRVL	Tue, Jan 4, 2022	209.41	209.58	202.87	203.23
7458	NASDAQ	CRVL	Mon, Jan 3, 2022	207.10	211.08	207.10	209.84
7457	NASDAQ	CRVL	Fri, Dec 31, 2021	208.79	210.08	204.82	208.00
7456	NASDAQ	CRVL	Thu, Dec 30, 2021	209.22	213.38	207.54	209.38
7455	NASDAQ	CRVL	Wed, Dec 29, 2021	209.57	211.32	206.86	208.10
7454	NASDAQ	CRVL	Tue, Dec 28, 2021	205.66	209.39	204.76	208.45
7453	NASDAQ	CRVL	Mon, Dec 27, 2021	199.20	207.16	199.10	206.47
7452	NASDAQ	CRVL	Thu, Dec 23, 2021	197.87	199.16	195.35	198.29
7451	NASDAQ	CRVL	Wed, Dec 22, 2021	197.01	199.07	195.27	196.53
7450	NASDAQ	CRVL	Tue, Dec 21, 2021	199.84	199.84	193.74	197.30
7449	NASDAQ	CRVL	Mon, Dec 20, 2021	195.57	201.24	191.76	197.32
7448	NASDAQ	CRVL	Fri, Dec 17, 2021	199.60	202.17	195.07	198.19
7447	NASDAQ	CRVL	Thu, Dec 16, 2021	205.14	206.64	198.78	199.31
7446	NASDAQ	CRVL	Wed, Dec 15, 2021	196.80	204.75	193.99	203.89
7445	NASDAQ	CRVL	Tue, Dec 14, 2021	194.06	197.26	190.67	196.21
7444	NASDAQ	CRVL	Mon, Dec 13, 2021	193.54	197.17	191.90	194.21
7443	NASDAQ	CRVL	Fri, Dec 10, 2021	195.86	195.86	191.55	192.75
7442	NASDAQ	CRVL	Thu, Dec 9, 2021	195.40	197.54	194.01	195.42
7441	NASDAQ	CRVL	Wed, Dec 8, 2021	196.48	197.45	192.78	197.16
7440	NASDAQ	CRVL	Tue, Dec 7, 2021	193.39	197.43	193.39	196.80
7439	NASDAQ	CRVL	Mon, Dec 6, 2021	192.31	194.22	188.95	190.88
7438	NASDAQ	CRVL	Fri, Dec 3, 2021	195.49	195.49	189.20	190.28
7437	NASDAQ	CRVL	Thu, Dec 2, 2021	189.36	195.35	188.68	194.84
7436	NASDAQ	CRVL	Wed, Dec 1, 2021	190.88	191.75	188.07	189.20
7435	NASDAQ	CRVL	Tue, Nov 30, 2021	186.51	189.10	184.19	188.00
7434	NASDAQ	CRVL	Mon, Nov 29, 2021	187.63	191.31	186.19	188.40
7433	NASDAQ	CRVL	Fri, Nov 26, 2021	196.29	197.81	184.34	184.64
7432	NASDAQ	CRVL	Wed, Nov 24, 2021	196.52	200.05	196.52	198.81
7431	NASDAQ	CRVL	Tue, Nov 23, 2021	194.97	198.51	193.91	197.91
7430	NASDAQ	CRVL	Mon, Nov 22, 2021	195.07	199.50	194.31	195.66
7429	NASDAQ	CRVL	Fri, Nov 19, 2021	192.53	197.51	192.53	195.35
7428	NASDAQ	CRVL	Thu, Nov 18, 2021	188.81	194.83	188.05	193.21
7427	NASDAQ	CRVL	Wed, Nov 17, 2021	189.97	190.80	187.96	189.22
7426	NASDAQ	CRVL	Tue, Nov 16, 2021	194.08	196.05	191.39	191.39
7425	NASDAQ	CRVL	Mon, Nov 15, 2021	193.15	197.47	191.15	193.76
7424	NASDAQ	CRVL	Fri, Nov 12, 2021	197.08	200.72	189.00	191.89
7423	NASDAQ	CRVL	Thu, Nov 11, 2021	190.62	197.17	190.62	196.74
7422	NASDAQ	CRVL	Wed, Nov 10, 2021	188.79	192.88	187.95	191.19
7421	NASDAQ	CRVL	Tue, Nov 9, 2021	188.60	192.11	188.60	190.31
7420	NASDAQ	CRVL	Mon, Nov 8, 2021	191.59	192.99	188.56	188.60
7419	NASDAQ	CRVL	Fri, Nov 5, 2021	184.88	190.52	184.84	189.61
7418	NASDAQ	CRVL	Thu, Nov 4, 2021	185.05	187.48	182.01	183.40
7417	NASDAQ	CRVL	Wed, Nov 3, 2021	186.83	190.00	178.91	185.14
7416	NASDAQ	CRVL	Tue, Nov 2, 2021	185.75	189.77	179.55	185.36
7415	NASDAQ	CRVL	Mon, Nov 1, 2021	182.28	185.80	176.30	184.31
7414	NASDAQ	CRVL	Fri, Oct 29, 2021	179.43	184.06	179.25	183.22
7413	NASDAQ	CRVL	Thu, Oct 28, 2021	176.48	181.48	175.00	180.64
7412	NASDAQ	CRVL	Wed, Oct 27, 2021	174.83	177.61	174.02	176.98
7411	NASDAQ	CRVL	Tue, Oct 26, 2021	173.00	175.49	171.82	175.46
7410	NASDAQ	CRVL	Mon, Oct 25, 2021	175.05	175.05	171.40	173.54
7409	NASDAQ	CRVL	Fri, Oct 22, 2021	173.42	176.90	173.42	174.76
7408	NASDAQ	CRVL	Thu, Oct 21, 2021	173.70	175.50	171.92	172.52
7407	NASDAQ	CRVL	Wed, Oct 20, 2021	174.62	174.62	169.87	174.06
7406	NASDAQ	CRVL	Tue, Oct 19, 2021	175.09	175.97	172.81	173.56
7405	NASDAQ	CRVL	Mon, Oct 18, 2021	173.80	175.97	172.00	174.89
7404	NASDAQ	CRVL	Fri, Oct 15, 2021	174.65	177.35	172.36	174.68
7403	NASDAQ	CRVL	Thu, Oct 14, 2021	169.47	172.45	165.72	172.07
7402	NASDAQ	CRVL	Wed, Oct 13, 2021	170.39	171.78	166.70	168.97
7401	NASDAQ	CRVL	Tue, Oct 12, 2021	168.02	171.10	165.00	170.24
7400	NASDAQ	CRVL	Mon, Oct 11, 2021	169.52	170.94	166.86	167.87
7399	NASDAQ	CRVL	Fri, Oct 8, 2021	178.30	178.30	170.31	170.99
7398	NASDAQ	CRVL	Thu, Oct 7, 2021	171.31	180.44	171.31	178.00
7397	NASDAQ	CRVL	Wed, Oct 6, 2021	174.20	175.77	164.60	170.74
7396	NASDAQ	CRVL	Tue, Oct 5, 2021	191.29	195.00	176.61	177.28
7395	NASDAQ	CRVL	Mon, Oct 4, 2021	189.66	193.97	189.06	191.00
7394	NASDAQ	CRVL	Fri, Oct 1, 2021	185.61	189.19	183.66	188.99
7393	NASDAQ	CRVL	Thu, Sep 30, 2021	187.53	190.33	185.59	186.22
7392	NASDAQ	CRVL	Wed, Sep 29, 2021	184.00	187.80	183.17	186.73
7391	NASDAQ	CRVL	Tue, Sep 28, 2021	184.97	185.24	182.68	183.43
7390	NASDAQ	CRVL	Mon, Sep 27, 2021	185.97	187.32	184.63	185.80
7389	NASDAQ	CRVL	Fri, Sep 24, 2021	185.35	188.32	185.35	186.70
7388	NASDAQ	CRVL	Thu, Sep 23, 2021	181.50	187.10	180.40	186.52
7387	NASDAQ	CRVL	Wed, Sep 22, 2021	176.80	180.18	175.15	179.85
7386	NASDAQ	CRVL	Tue, Sep 21, 2021	175.54	177.34	174.26	175.61
7385	NASDAQ	CRVL	Mon, Sep 20, 2021	175.53	176.69	172.88	173.96
7384	NASDAQ	CRVL	Fri, Sep 17, 2021	174.05	179.16	173.13	177.39
7383	NASDAQ	CRVL	Thu, Sep 16, 2021	170.39	174.46	168.81	173.21
7382	NASDAQ	CRVL	Wed, Sep 15, 2021	170.60	171.52	168.85	169.62
7381	NASDAQ	CRVL	Tue, Sep 14, 2021	172.00	173.16	169.71	170.59
7380	NASDAQ	CRVL	Mon, Sep 13, 2021	170.42	172.58	169.00	171.67
7379	NASDAQ	CRVL	Fri, Sep 10, 2021	169.82	171.89	169.24	170.16
7378	NASDAQ	CRVL	Thu, Sep 9, 2021	169.22	170.90	169.14	169.14
7377	NASDAQ	CRVL	Wed, Sep 8, 2021	166.81	171.34	166.81	169.22
7376	NASDAQ	CRVL	Tue, Sep 7, 2021	168.78	169.00	166.26	167.31
7375	NASDAQ	CRVL	Fri, Sep 3, 2021	168.52	170.00	167.13	169.12
7374	NASDAQ	CRVL	Thu, Sep 2, 2021	167.75	169.30	166.10	169.11
7373	NASDAQ	CRVL	Wed, Sep 1, 2021	164.95	167.29	162.89	166.63
7372	NASDAQ	CRVL	Tue, Aug 31, 2021	163.65	165.68	162.53	164.81
7371	NASDAQ	CRVL	Mon, Aug 30, 2021	161.58	164.62	161.55	162.80
7370	NASDAQ	CRVL	Fri, Aug 27, 2021	157.80	163.34	157.80	162.33
7369	NASDAQ	CRVL	Thu, Aug 26, 2021	155.94	158.30	154.96	156.90
7368	NASDAQ	CRVL	Wed, Aug 25, 2021	156.22	157.53	151.48	155.93
7367	NASDAQ	CRVL	Tue, Aug 24, 2021	158.72	159.07	154.88	155.49
7366	NASDAQ	CRVL	Mon, Aug 23, 2021	159.95	160.76	158.23	158.90
7365	NASDAQ	CRVL	Fri, Aug 20, 2021	156.04	159.95	155.87	159.95
7364	NASDAQ	CRVL	Thu, Aug 19, 2021	155.82	159.96	154.84	156.88
7363	NASDAQ	CRVL	Wed, Aug 18, 2021	153.89	159.04	153.83	156.54
7362	NASDAQ	CRVL	Tue, Aug 17, 2021	151.82	154.90	150.25	153.91
7361	NASDAQ	CRVL	Mon, Aug 16, 2021	152.70	153.03	150.65	152.72
7360	NASDAQ	CRVL	Fri, Aug 13, 2021	152.06	152.53	149.25	152.41
7359	NASDAQ	CRVL	Thu, Aug 12, 2021	153.56	153.89	151.53	151.94
7358	NASDAQ	CRVL	Wed, Aug 11, 2021	153.46	153.90	152.16	153.81
7357	NASDAQ	CRVL	Tue, Aug 10, 2021	155.49	155.49	152.03	153.50
7356	NASDAQ	CRVL	Mon, Aug 9, 2021	162.19	162.19	155.14	155.93
7355	NASDAQ	CRVL	Fri, Aug 6, 2021	157.82	163.00	157.82	162.19
7354	NASDAQ	CRVL	Thu, Aug 5, 2021	153.64	158.00	152.78	157.94
7353	NASDAQ	CRVL	Wed, Aug 4, 2021	151.79	154.40	151.00	153.96
7352	NASDAQ	CRVL	Tue, Aug 3, 2021	143.25	156.21	142.20	154.29
7351	NASDAQ	CRVL	Mon, Aug 2, 2021	140.59	143.81	140.42	142.41
7350	NASDAQ	CRVL	Fri, Jul 30, 2021	140.02	141.61	140.02	140.82
7349	NASDAQ	CRVL	Thu, Jul 29, 2021	136.85	140.53	136.85	140.10
7348	NASDAQ	CRVL	Wed, Jul 28, 2021	137.02	137.44	135.48	136.76
7347	NASDAQ	CRVL	Tue, Jul 27, 2021	137.26	137.65	136.00	137.04
7346	NASDAQ	CRVL	Mon, Jul 26, 2021	138.05	138.05	136.50	137.25
7345	NASDAQ	CRVL	Fri, Jul 23, 2021	136.75	138.03	134.10	137.70
7344	NASDAQ	CRVL	Thu, Jul 22, 2021	135.85	136.31	134.72	136.15
7343	NASDAQ	CRVL	Wed, Jul 21, 2021	136.46	137.44	135.62	136.27
7342	NASDAQ	CRVL	Tue, Jul 20, 2021	134.52	138.57	134.52	135.66
7341	NASDAQ	CRVL	Mon, Jul 19, 2021	133.96	134.20	132.20	133.52
7340	NASDAQ	CRVL	Fri, Jul 16, 2021	136.48	136.48	134.56	134.87
7339	NASDAQ	CRVL	Thu, Jul 15, 2021	136.50	137.96	135.14	136.19
7338	NASDAQ	CRVL	Wed, Jul 14, 2021	137.50	138.92	135.97	136.68
7337	NASDAQ	CRVL	Tue, Jul 13, 2021	138.13	138.73	137.05	137.10
7336	NASDAQ	CRVL	Mon, Jul 12, 2021	139.04	139.62	137.07	138.30
7335	NASDAQ	CRVL	Fri, Jul 9, 2021	138.68	140.13	138.33	138.94
7334	NASDAQ	CRVL	Thu, Jul 8, 2021	137.52	139.53	136.74	138.51
7333	NASDAQ	CRVL	Wed, Jul 7, 2021	137.77	140.82	136.91	139.66
7332	NASDAQ	CRVL	Tue, Jul 6, 2021	136.55	137.73	133.36	137.22
7331	NASDAQ	CRVL	Fri, Jul 2, 2021	135.94	136.85	134.89	136.19
7330	NASDAQ	CRVL	Thu, Jul 1, 2021	135.06	136.93	133.34	135.47
7329	NASDAQ	CRVL	Wed, Jun 30, 2021	133.86	135.51	133.30	134.30
7328	NASDAQ	CRVL	Tue, Jun 29, 2021	131.99	134.00	131.99	133.30
7327	NASDAQ	CRVL	Mon, Jun 28, 2021	132.02	133.05	130.78	132.49
7326	NASDAQ	CRVL	Fri, Jun 25, 2021	129.87	132.52	128.78	131.49
7325	NASDAQ	CRVL	Thu, Jun 24, 2021	128.93	130.45	128.16	129.98
7324	NASDAQ	CRVL	Wed, Jun 23, 2021	129.42	129.78	127.17	128.42
7323	NASDAQ	CRVL	Tue, Jun 22, 2021	125.64	129.29	125.64	128.50
7322	NASDAQ	CRVL	Mon, Jun 21, 2021	122.48	126.98	122.48	126.55
7321	NASDAQ	CRVL	Fri, Jun 18, 2021	119.96	122.18	119.30	122.00
7320	NASDAQ	CRVL	Thu, Jun 17, 2021	121.80	122.58	120.17	121.11
7319	NASDAQ	CRVL	Wed, Jun 16, 2021	123.25	123.25	120.94	121.78
7318	NASDAQ	CRVL	Tue, Jun 15, 2021	120.75	123.44	120.12	123.17
7317	NASDAQ	CRVL	Mon, Jun 14, 2021	122.21	123.65	119.50	120.27
7316	NASDAQ	CRVL	Fri, Jun 11, 2021	123.10	123.23	121.19	122.66
7315	NASDAQ	CRVL	Thu, Jun 10, 2021	122.42	123.14	121.94	122.31
7314	NASDAQ	CRVL	Wed, Jun 9, 2021	121.59	124.38	121.45	122.10
7313	NASDAQ	CRVL	Tue, Jun 8, 2021	119.77	121.54	119.66	121.47
7312	NASDAQ	CRVL	Mon, Jun 7, 2021	118.87	120.00	117.50	119.45
7311	NASDAQ	CRVL	Fri, Jun 4, 2021	120.21	121.19	119.06	119.06
7310	NASDAQ	CRVL	Thu, Jun 3, 2021	119.37	121.14	118.83	120.01
7309	NASDAQ	CRVL	Wed, Jun 2, 2021	125.61	125.61	119.20	120.26
7308	NASDAQ	CRVL	Tue, Jun 1, 2021	124.69	126.90	124.21	124.70
7307	NASDAQ	CRVL	Fri, May 28, 2021	123.18	126.29	123.07	124.60
7306	NASDAQ	CRVL	Thu, May 27, 2021	120.44	123.81	120.03	123.59
7305	NASDAQ	CRVL	Wed, May 26, 2021	117.42	120.12	117.42	119.83
7304	NASDAQ	CRVL	Tue, May 25, 2021	117.94	119.54	117.42	117.49
7303	NASDAQ	CRVL	Mon, May 24, 2021	118.77	119.32	117.99	118.18
7302	NASDAQ	CRVL	Fri, May 21, 2021	120.35	120.50	118.27	118.40
7301	NASDAQ	CRVL	Thu, May 20, 2021	117.60	119.60	117.40	119.30
7300	NASDAQ	CRVL	Wed, May 19, 2021	117.44	119.79	116.34	118.79
7299	NASDAQ	CRVL	Tue, May 18, 2021	116.41	117.96	115.87	116.80
7298	NASDAQ	CRVL	Mon, May 17, 2021	116.76	117.51	115.58	116.77
7297	NASDAQ	CRVL	Fri, May 14, 2021	116.64	117.90	115.99	116.47
7296	NASDAQ	CRVL	Thu, May 13, 2021	115.65	117.35	115.65	116.85
7295	NASDAQ	CRVL	Wed, May 12, 2021	117.10	118.68	114.93	115.38
7294	NASDAQ	CRVL	Tue, May 11, 2021	115.76	118.66	115.76	117.17
7293	NASDAQ	CRVL	Mon, May 10, 2021	119.02	120.56	117.00	117.39
7292	NASDAQ	CRVL	Fri, May 7, 2021	119.14	121.00	119.14	119.52
7291	NASDAQ	CRVL	Thu, May 6, 2021	116.49	119.81	115.68	119.48
7290	NASDAQ	CRVL	Wed, May 5, 2021	118.99	118.99	116.61	116.82
7289	NASDAQ	CRVL	Tue, May 4, 2021	118.42	119.23	117.10	118.24
7288	NASDAQ	CRVL	Mon, May 3, 2021	117.16	120.25	117.16	118.76
7287	NASDAQ	CRVL	Fri, Apr 30, 2021	118.00	119.07	116.12	117.01
7286	NASDAQ	CRVL	Thu, Apr 29, 2021	117.38	118.96	116.26	118.29
7285	NASDAQ	CRVL	Wed, Apr 28, 2021	116.25	117.95	115.41	116.51
7284	NASDAQ	CRVL	Tue, Apr 27, 2021	116.04	117.00	115.16	116.23
7283	NASDAQ	CRVL	Mon, Apr 26, 2021	117.73	119.14	115.97	116.65
7282	NASDAQ	CRVL	Fri, Apr 23, 2021	119.04	120.48	118.07	118.19
7281	NASDAQ	CRVL	Thu, Apr 22, 2021	116.90	119.51	116.90	117.91
7280	NASDAQ	CRVL	Wed, Apr 21, 2021	114.79	119.06	114.79	118.03
7279	NASDAQ	CRVL	Tue, Apr 20, 2021	111.37	114.59	111.37	114.28
7278	NASDAQ	CRVL	Mon, Apr 19, 2021	112.54	113.11	111.30	112.27
7277	NASDAQ	CRVL	Fri, Apr 16, 2021	112.70	113.74	110.72	113.23
7276	NASDAQ	CRVL	Thu, Apr 15, 2021	110.68	111.92	109.41	111.74
7275	NASDAQ	CRVL	Wed, Apr 14, 2021	108.30	110.81	108.30	110.73
7274	NASDAQ	CRVL	Tue, Apr 13, 2021	108.03	108.98	107.06	107.75
7273	NASDAQ	CRVL	Mon, Apr 12, 2021	106.50	108.09	105.81	107.70
7272	NASDAQ	CRVL	Fri, Apr 9, 2021	105.44	107.26	105.44	106.94
7271	NASDAQ	CRVL	Thu, Apr 8, 2021	105.07	105.93	104.00	105.87
7270	NASDAQ	CRVL	Wed, Apr 7, 2021	105.50	105.74	103.29	104.23
7269	NASDAQ	CRVL	Tue, Apr 6, 2021	103.72	106.05	103.72	105.34
7268	NASDAQ	CRVL	Mon, Apr 5, 2021	105.21	105.37	102.60	103.89
7267	NASDAQ	CRVL	Thu, Apr 1, 2021	103.06	106.26	103.06	104.61
7266	NASDAQ	CRVL	Wed, Mar 31, 2021	102.00	104.11	100.68	102.59
7265	NASDAQ	CRVL	Tue, Mar 30, 2021	105.23	105.44	101.69	102.00
7264	NASDAQ	CRVL	Mon, Mar 29, 2021	105.03	106.99	104.65	104.65
7263	NASDAQ	CRVL	Fri, Mar 26, 2021	104.93	105.57	102.60	105.33
7262	NASDAQ	CRVL	Thu, Mar 25, 2021	101.98	103.87	101.98	103.77
7261	NASDAQ	CRVL	Wed, Mar 24, 2021	103.01	105.63	102.11	102.76
7260	NASDAQ	CRVL	Tue, Mar 23, 2021	101.81	103.04	100.78	102.70
7259	NASDAQ	CRVL	Mon, Mar 22, 2021	105.99	106.63	102.29	102.74
7258	NASDAQ	CRVL	Fri, Mar 19, 2021	105.76	106.03	104.40	106.03
7257	NASDAQ	CRVL	Thu, Mar 18, 2021	104.74	105.70	103.00	105.42
7256	NASDAQ	CRVL	Wed, Mar 17, 2021	110.49	110.49	104.65	105.88
7255	NASDAQ	CRVL	Tue, Mar 16, 2021	110.94	111.42	108.07	110.21
7254	NASDAQ	CRVL	Mon, Mar 15, 2021	108.84	110.47	107.19	110.46
7253	NASDAQ	CRVL	Fri, Mar 12, 2021	106.05	110.29	105.89	109.88
7252	NASDAQ	CRVL	Thu, Mar 11, 2021	106.41	107.32	105.36	106.40
7251	NASDAQ	CRVL	Wed, Mar 10, 2021	103.77	106.72	103.77	106.33
7250	NASDAQ	CRVL	Tue, Mar 9, 2021	106.74	107.86	103.58	103.62
7249	NASDAQ	CRVL	Mon, Mar 8, 2021	105.53	108.00	105.00	105.78
7248	NASDAQ	CRVL	Fri, Mar 5, 2021	103.98	106.25	102.49	105.83
7247	NASDAQ	CRVL	Thu, Mar 4, 2021	102.84	104.73	102.40	102.78
7246	NASDAQ	CRVL	Wed, Mar 3, 2021	102.07	104.46	101.05	102.52
7245	NASDAQ	CRVL	Tue, Mar 2, 2021	105.47	105.47	102.18	102.66
7244	NASDAQ	CRVL	Mon, Mar 1, 2021	102.71	105.77	102.54	105.64
7243	NASDAQ	CRVL	Fri, Feb 26, 2021	101.71	103.40	100.60	101.50
7242	NASDAQ	CRVL	Thu, Feb 25, 2021	103.54	103.54	101.50	101.50
7241	NASDAQ	CRVL	Wed, Feb 24, 2021	102.35	105.02	102.35	103.54
7240	NASDAQ	CRVL	Tue, Feb 23, 2021	102.22	104.05	102.22	102.32
7239	NASDAQ	CRVL	Mon, Feb 22, 2021	102.68	104.20	101.06	102.40
7238	NASDAQ	CRVL	Fri, Feb 19, 2021	104.11	107.97	103.77	104.09
7237	NASDAQ	CRVL	Thu, Feb 18, 2021	105.36	106.47	102.97	103.95
7236	NASDAQ	CRVL	Wed, Feb 17, 2021	102.33	107.48	102.33	105.87
7235	NASDAQ	CRVL	Tue, Feb 16, 2021	101.84	103.46	100.97	102.52
7234	NASDAQ	CRVL	Fri, Feb 12, 2021	104.58	104.58	101.00	101.95
7233	NASDAQ	CRVL	Thu, Feb 11, 2021	106.73	109.62	103.91	104.40
7232	NASDAQ	CRVL	Wed, Feb 10, 2021	105.45	108.50	105.45	106.74
7231	NASDAQ	CRVL	Tue, Feb 9, 2021	105.22	107.58	104.75	105.86
7230	NASDAQ	CRVL	Mon, Feb 8, 2021	104.00	106.63	103.72	106.27
7229	NASDAQ	CRVL	Fri, Feb 5, 2021	103.30	104.75	102.52	104.33
7228	NASDAQ	CRVL	Thu, Feb 4, 2021	102.02	103.94	101.95	103.31
7227	NASDAQ	CRVL	Wed, Feb 3, 2021	101.73	103.30	100.70	102.12
7226	NASDAQ	CRVL	Tue, Feb 2, 2021	102.28	102.77	101.21	102.56
7225	NASDAQ	CRVL	Mon, Feb 1, 2021	99.21	102.18	99.00	100.67
7224	NASDAQ	CRVL	Fri, Jan 29, 2021	100.08	101.34	98.41	98.82
7223	NASDAQ	CRVL	Thu, Jan 28, 2021	99.32	99.97	98.75	99.79
7222	NASDAQ	CRVL	Wed, Jan 27, 2021	99.62	100.58	97.39	99.09
7221	NASDAQ	CRVL	Tue, Jan 26, 2021	103.00	103.00	100.89	101.09
7220	NASDAQ	CRVL	Mon, Jan 25, 2021	104.02	104.02	101.77	102.21
7219	NASDAQ	CRVL	Fri, Jan 22, 2021	103.21	104.74	102.15	104.40
7218	NASDAQ	CRVL	Thu, Jan 21, 2021	105.83	105.83	103.50	103.80
7217	NASDAQ	CRVL	Wed, Jan 20, 2021	106.07	108.00	104.76	104.98
7216	NASDAQ	CRVL	Tue, Jan 19, 2021	105.86	108.04	105.59	106.42
7215	NASDAQ	CRVL	Fri, Jan 15, 2021	104.92	107.04	103.94	105.51
7214	NASDAQ	CRVL	Thu, Jan 14, 2021	106.76	108.27	105.38	105.38
7213	NASDAQ	CRVL	Wed, Jan 13, 2021	106.66	107.58	105.14	106.55
7212	NASDAQ	CRVL	Tue, Jan 12, 2021	104.48	106.66	104.48	106.51
7211	NASDAQ	CRVL	Mon, Jan 11, 2021	106.65	107.16	102.83	104.63
7210	NASDAQ	CRVL	Fri, Jan 8, 2021	110.67	110.67	107.00	107.70
7209	NASDAQ	CRVL	Thu, Jan 7, 2021	108.34	110.80	107.84	109.74
7208	NASDAQ	CRVL	Wed, Jan 6, 2021	106.49	110.29	106.49	108.65
7207	NASDAQ	CRVL	Tue, Jan 5, 2021	104.71	107.15	104.58	105.79
7206	NASDAQ	CRVL	Mon, Jan 4, 2021	106.04	106.92	105.35	105.55
7205	NASDAQ	CRVL	Thu, Dec 31, 2020	106.09	106.79	104.21	106.00
7204	NASDAQ	CRVL	Wed, Dec 30, 2020	104.94	106.39	104.46	105.76
7203	NASDAQ	CRVL	Tue, Dec 29, 2020	104.31	105.80	102.90	105.40
7202	NASDAQ	CRVL	Mon, Dec 28, 2020	103.93	105.90	101.81	104.76
7201	NASDAQ	CRVL	Thu, Dec 24, 2020	106.34	106.86	103.08	104.11
7200	NASDAQ	CRVL	Wed, Dec 23, 2020	104.19	106.47	104.19	106.01
7199	NASDAQ	CRVL	Tue, Dec 22, 2020	102.83	104.39	102.40	104.24
7198	NASDAQ	CRVL	Mon, Dec 21, 2020	100.36	103.13	98.92	102.40
7197	NASDAQ	CRVL	Fri, Dec 18, 2020	101.00	104.70	98.22	102.40
7196	NASDAQ	CRVL	Thu, Dec 17, 2020	96.15	101.70	95.70	100.96
7195	NASDAQ	CRVL	Wed, Dec 16, 2020	95.97	96.50	94.88	95.55
7194	NASDAQ	CRVL	Tue, Dec 15, 2020	94.98	97.00	94.24	95.34
7193	NASDAQ	CRVL	Mon, Dec 14, 2020	95.11	95.50	93.74	94.50
7192	NASDAQ	CRVL	Fri, Dec 11, 2020	93.96	95.34	93.45	94.90
7191	NASDAQ	CRVL	Thu, Dec 10, 2020	94.48	94.66	93.53	94.30
7190	NASDAQ	CRVL	Wed, Dec 9, 2020	95.06	95.86	93.74	94.07
7189	NASDAQ	CRVL	Tue, Dec 8, 2020	93.00	95.28	92.88	95.28
7188	NASDAQ	CRVL	Mon, Dec 7, 2020	93.19	93.80	92.05	93.24
7187	NASDAQ	CRVL	Fri, Dec 4, 2020	92.63	93.03	91.97	92.82
7186	NASDAQ	CRVL	Thu, Dec 3, 2020	92.60	93.24	91.60	92.32
7185	NASDAQ	CRVL	Wed, Dec 2, 2020	92.00	92.87	91.77	92.25
7184	NASDAQ	CRVL	Tue, Dec 1, 2020	90.37	93.35	90.37	91.82
7183	NASDAQ	CRVL	Mon, Nov 30, 2020	91.43	92.00	89.35	89.55
7182	NASDAQ	CRVL	Fri, Nov 27, 2020	92.07	92.29	90.51	91.50
7181	NASDAQ	CRVL	Wed, Nov 25, 2020	91.36	92.58	90.58	92.23
7180	NASDAQ	CRVL	Tue, Nov 24, 2020	92.39	93.32	90.39	91.13
7179	NASDAQ	CRVL	Mon, Nov 23, 2020	92.25	93.03	91.65	91.65
7178	NASDAQ	CRVL	Fri, Nov 20, 2020	91.47	93.57	90.96	92.37
7177	NASDAQ	CRVL	Thu, Nov 19, 2020	90.93	92.95	90.73	92.36
7176	NASDAQ	CRVL	Wed, Nov 18, 2020	93.88	94.59	91.06	91.18
7175	NASDAQ	CRVL	Tue, Nov 17, 2020	91.83	94.33	91.30	93.17
7174	NASDAQ	CRVL	Mon, Nov 16, 2020	92.77	93.25	91.70	92.50
7173	NASDAQ	CRVL	Fri, Nov 13, 2020	89.48	91.96	89.48	91.78
7172	NASDAQ	CRVL	Thu, Nov 12, 2020	91.01	91.32	88.39	89.37
7171	NASDAQ	CRVL	Wed, Nov 11, 2020	93.02	93.54	91.62	91.65
7170	NASDAQ	CRVL	Tue, Nov 10, 2020	90.51	94.10	90.12	93.71
7169	NASDAQ	CRVL	Mon, Nov 9, 2020	91.01	92.50	89.07	89.85
7168	NASDAQ	CRVL	Fri, Nov 6, 2020	87.74	87.75	85.10	85.69
7167	NASDAQ	CRVL	Thu, Nov 5, 2020	86.34	87.69	86.00	87.69
7166	NASDAQ	CRVL	Wed, Nov 4, 2020	84.43	87.80	84.39	86.05
7165	NASDAQ	CRVL	Tue, Nov 3, 2020	83.65	87.81	78.63	86.26
7164	NASDAQ	CRVL	Mon, Nov 2, 2020	91.82	92.88	90.75	92.50
7163	NASDAQ	CRVL	Fri, Oct 30, 2020	91.15	91.91	89.74	91.22
7162	NASDAQ	CRVL	Thu, Oct 29, 2020	90.20	92.48	90.20	91.45
7161	NASDAQ	CRVL	Wed, Oct 28, 2020	90.65	90.86	89.28	90.29
7160	NASDAQ	CRVL	Tue, Oct 27, 2020	91.25	92.15	90.36	91.70
7159	NASDAQ	CRVL	Mon, Oct 26, 2020	91.38	91.89	89.15	91.89
7158	NASDAQ	CRVL	Fri, Oct 23, 2020	92.91	93.05	91.50	92.21
7157	NASDAQ	CRVL	Thu, Oct 22, 2020	91.33	93.16	90.08	92.19
7156	NASDAQ	CRVL	Wed, Oct 21, 2020	91.50	91.80	89.06	91.00
7155	NASDAQ	CRVL	Tue, Oct 20, 2020	91.48	91.68	90.97	91.68
7154	NASDAQ	CRVL	Mon, Oct 19, 2020	90.67	91.65	89.81	90.73
7153	NASDAQ	CRVL	Fri, Oct 16, 2020	90.30	91.24	89.64	90.20
7152	NASDAQ	CRVL	Thu, Oct 15, 2020	88.53	90.59	87.89	90.20
7151	NASDAQ	CRVL	Wed, Oct 14, 2020	88.68	89.60	88.51	88.66
7150	NASDAQ	CRVL	Tue, Oct 13, 2020	89.31	89.41	87.39	88.47
7149	NASDAQ	CRVL	Mon, Oct 12, 2020	89.55	90.35	88.70	89.87
7148	NASDAQ	CRVL	Fri, Oct 9, 2020	90.25	90.25	88.62	89.55
7147	NASDAQ	CRVL	Thu, Oct 8, 2020	89.79	90.30	88.54	89.46
7146	NASDAQ	CRVL	Wed, Oct 7, 2020	89.02	89.88	87.59	89.44
7145	NASDAQ	CRVL	Tue, Oct 6, 2020	89.09	89.97	87.66	88.47
7144	NASDAQ	CRVL	Mon, Oct 5, 2020	88.14	89.57	87.90	88.48
7143	NASDAQ	CRVL	Fri, Oct 2, 2020	86.22	88.76	85.47	87.72
7142	NASDAQ	CRVL	Thu, Oct 1, 2020	85.65	87.55	85.52	87.54
7141	NASDAQ	CRVL	Wed, Sep 30, 2020	84.71	86.53	84.71	85.43
7140	NASDAQ	CRVL	Tue, Sep 29, 2020	85.10	85.91	84.14	84.85
7139	NASDAQ	CRVL	Mon, Sep 28, 2020	84.04	85.80	84.04	85.25
7138	NASDAQ	CRVL	Fri, Sep 25, 2020	81.90	83.80	81.77	83.12
7137	NASDAQ	CRVL	Thu, Sep 24, 2020	82.33	83.28	81.54	82.15
7136	NASDAQ	CRVL	Wed, Sep 23, 2020	86.07	86.29	82.27	82.33
7135	NASDAQ	CRVL	Tue, Sep 22, 2020	87.67	87.67	85.24	85.89
7134	NASDAQ	CRVL	Mon, Sep 21, 2020	85.97	87.64	84.50	87.47
7133	NASDAQ	CRVL	Fri, Sep 18, 2020	86.29	87.62	85.65	87.46
7132	NASDAQ	CRVL	Thu, Sep 17, 2020	84.31	85.66	84.31	85.58
7131	NASDAQ	CRVL	Wed, Sep 16, 2020	85.56	86.43	84.87	85.22
7130	NASDAQ	CRVL	Tue, Sep 15, 2020	85.53	86.71	84.85	85.20
7129	NASDAQ	CRVL	Mon, Sep 14, 2020	85.24	85.55	84.58	85.30
7128	NASDAQ	CRVL	Fri, Sep 11, 2020	85.66	86.23	83.95	84.69
7127	NASDAQ	CRVL	Thu, Sep 10, 2020	86.20	86.61	85.00	85.40
7126	NASDAQ	CRVL	Wed, Sep 9, 2020	85.10	87.84	85.10	86.17
7125	NASDAQ	CRVL	Tue, Sep 8, 2020	83.45	85.27	83.45	84.54
7124	NASDAQ	CRVL	Fri, Sep 4, 2020	84.93	85.37	83.74	84.32
7123	NASDAQ	CRVL	Thu, Sep 3, 2020	84.46	85.74	83.97	84.01
7122	NASDAQ	CRVL	Wed, Sep 2, 2020	83.11	85.32	83.11	85.02
7121	NASDAQ	CRVL	Tue, Sep 1, 2020	82.92	83.56	82.24	83.14
7120	NASDAQ	CRVL	Mon, Aug 31, 2020	83.26	84.12	82.14	83.02
7119	NASDAQ	CRVL	Fri, Aug 28, 2020	82.88	83.86	82.46	83.61
7118	NASDAQ	CRVL	Thu, Aug 27, 2020	82.06	83.69	81.66	82.78
7117	NASDAQ	CRVL	Wed, Aug 26, 2020	82.51	82.54	81.59	82.03
7116	NASDAQ	CRVL	Tue, Aug 25, 2020	81.52	82.92	81.24	82.82
7115	NASDAQ	CRVL	Mon, Aug 24, 2020	80.46	81.53	79.63	81.15
7114	NASDAQ	CRVL	Fri, Aug 21, 2020	80.90	80.90	79.23	80.00
7113	NASDAQ	CRVL	Thu, Aug 20, 2020	80.28	82.23	80.28	81.00
7112	NASDAQ	CRVL	Wed, Aug 19, 2020	81.40	82.30	80.91	81.01
7111	NASDAQ	CRVL	Tue, Aug 18, 2020	81.86	81.86	80.78	81.15
7110	NASDAQ	CRVL	Mon, Aug 17, 2020	82.27	83.00	81.34	81.82
7109	NASDAQ	CRVL	Fri, Aug 14, 2020	82.66	82.86	80.98	82.40
7108	NASDAQ	CRVL	Thu, Aug 13, 2020	82.00	83.50	81.97	82.89
7107	NASDAQ	CRVL	Wed, Aug 12, 2020	82.05	82.71	81.56	82.22
7106	NASDAQ	CRVL	Tue, Aug 11, 2020	82.00	82.87	80.79	81.64
7105	NASDAQ	CRVL	Mon, Aug 10, 2020	80.19	82.06	80.19	81.20
7104	NASDAQ	CRVL	Fri, Aug 7, 2020	77.64	80.41	77.64	80.38
7103	NASDAQ	CRVL	Thu, Aug 6, 2020	75.28	78.47	75.28	78.04
7102	NASDAQ	CRVL	Wed, Aug 5, 2020	74.70	75.84	74.30	75.65
7101	NASDAQ	CRVL	Tue, Aug 4, 2020	77.25	81.00	74.29	74.67
7100	NASDAQ	CRVL	Mon, Aug 3, 2020	79.80	80.39	77.63	77.91
7099	NASDAQ	CRVL	Fri, Jul 31, 2020	78.85	79.79	77.37	79.49
7098	NASDAQ	CRVL	Thu, Jul 30, 2020	78.14	79.75	78.13	79.02
7097	NASDAQ	CRVL	Wed, Jul 29, 2020	77.69	79.54	76.34	79.07
7096	NASDAQ	CRVL	Tue, Jul 28, 2020	77.75	77.97	76.19	77.43
7095	NASDAQ	CRVL	Mon, Jul 27, 2020	76.26	77.78	75.95	77.74
7094	NASDAQ	CRVL	Fri, Jul 24, 2020	77.42	78.09	75.76	76.34
7093	NASDAQ	CRVL	Thu, Jul 23, 2020	77.83	78.27	77.04	77.81
7092	NASDAQ	CRVL	Wed, Jul 22, 2020	77.89	78.74	77.44	77.93
7091	NASDAQ	CRVL	Tue, Jul 21, 2020	78.30	78.96	77.77	78.04
7090	NASDAQ	CRVL	Mon, Jul 20, 2020	77.43	78.07	76.55	77.58
7089	NASDAQ	CRVL	Fri, Jul 17, 2020	78.25	78.61	77.01	77.75
7088	NASDAQ	CRVL	Thu, Jul 16, 2020	78.80	78.83	77.12	78.14
7087	NASDAQ	CRVL	Wed, Jul 15, 2020	76.87	79.74	76.73	79.01
7086	NASDAQ	CRVL	Tue, Jul 14, 2020	74.81	76.01	74.81	75.56
7085	NASDAQ	CRVL	Mon, Jul 13, 2020	74.21	75.76	73.75	74.79
7084	NASDAQ	CRVL	Fri, Jul 10, 2020	72.86	73.81	72.20	73.52
7083	NASDAQ	CRVL	Thu, Jul 9, 2020	73.05	73.99	72.29	73.00
7082	NASDAQ	CRVL	Wed, Jul 8, 2020	72.90	73.87	71.78	73.22
7081	NASDAQ	CRVL	Tue, Jul 7, 2020	72.57	73.63	72.25	73.19
7080	NASDAQ	CRVL	Mon, Jul 6, 2020	73.47	73.85	72.46	72.89
7079	NASDAQ	CRVL	Thu, Jul 2, 2020	72.22	73.06	71.62	72.00
7078	NASDAQ	CRVL	Wed, Jul 1, 2020	71.17	71.74	70.66	71.00
7077	NASDAQ	CRVL	Tue, Jun 30, 2020	72.23	72.94	70.67	70.89
7076	NASDAQ	CRVL	Mon, Jun 29, 2020	71.70	72.75	71.10	72.55
7075	NASDAQ	CRVL	Fri, Jun 26, 2020	70.16	71.55	70.07	70.74
7074	NASDAQ	CRVL	Thu, Jun 25, 2020	67.33	70.76	66.95	70.74
7073	NASDAQ	CRVL	Wed, Jun 24, 2020	67.03	68.30	66.97	67.51
7072	NASDAQ	CRVL	Tue, Jun 23, 2020	67.31	68.33	66.50	68.00
7071	NASDAQ	CRVL	Mon, Jun 22, 2020	66.77	67.27	65.86	66.93
7070	NASDAQ	CRVL	Fri, Jun 19, 2020	69.75	69.76	66.70	66.88
7069	NASDAQ	CRVL	Thu, Jun 18, 2020	68.21	69.35	68.00	68.85
7068	NASDAQ	CRVL	Wed, Jun 17, 2020	70.09	71.17	68.24	69.20
7067	NASDAQ	CRVL	Tue, Jun 16, 2020	72.47	72.47	68.92	69.90
7066	NASDAQ	CRVL	Mon, Jun 15, 2020	65.21	70.04	65.14	69.87
7065	NASDAQ	CRVL	Fri, Jun 12, 2020	65.85	68.35	65.85	67.40
7064	NASDAQ	CRVL	Thu, Jun 11, 2020	64.23	65.95	62.31	63.38
7063	NASDAQ	CRVL	Wed, Jun 10, 2020	69.35	69.35	66.59	66.92
7062	NASDAQ	CRVL	Tue, Jun 9, 2020	70.57	70.57	67.99	69.14
7061	NASDAQ	CRVL	Mon, Jun 8, 2020	69.84	71.69	68.84	71.61
7060	NASDAQ	CRVL	Fri, Jun 5, 2020	68.69	69.87	65.93	69.04
7059	NASDAQ	CRVL	Thu, Jun 4, 2020	66.17	67.09	65.17	66.30
7058	NASDAQ	CRVL	Wed, Jun 3, 2020	67.29	68.45	65.48	66.86
7057	NASDAQ	CRVL	Tue, Jun 2, 2020	67.49	68.22	65.81	66.20
7056	NASDAQ	CRVL	Mon, Jun 1, 2020	67.26	68.28	66.57	67.65
7055	NASDAQ	CRVL	Fri, May 29, 2020	66.31	68.38	65.92	67.89
7054	NASDAQ	CRVL	Thu, May 28, 2020	71.07	71.07	66.37	67.37
7053	NASDAQ	CRVL	Wed, May 27, 2020	63.83	73.34	63.23	70.32
7052	NASDAQ	CRVL	Tue, May 26, 2020	60.00	62.00	59.47	61.86
7051	NASDAQ	CRVL	Fri, May 22, 2020	57.29	58.12	55.71	58.07
7050	NASDAQ	CRVL	Thu, May 21, 2020	55.79	58.01	55.79	57.15
7049	NASDAQ	CRVL	Wed, May 20, 2020	56.17	57.01	55.47	55.84
7048	NASDAQ	CRVL	Tue, May 19, 2020	54.86	56.00	53.76	54.69
7047	NASDAQ	CRVL	Mon, May 18, 2020	51.85	54.73	51.37	54.27
7046	NASDAQ	CRVL	Fri, May 15, 2020	46.96	50.02	45.08	49.59
7045	NASDAQ	CRVL	Thu, May 14, 2020	45.86	47.53	44.67	47.22
7044	NASDAQ	CRVL	Wed, May 13, 2020	48.81	49.64	46.86	47.39
7043	NASDAQ	CRVL	Tue, May 12, 2020	51.50	51.50	49.24	49.44
7042	NASDAQ	CRVL	Mon, May 11, 2020	51.22	52.85	50.06	51.33
7041	NASDAQ	CRVL	Fri, May 8, 2020	51.03	52.43	49.64	52.21
7040	NASDAQ	CRVL	Thu, May 7, 2020	49.87	50.05	48.60	49.85
7039	NASDAQ	CRVL	Wed, May 6, 2020	50.61	50.61	48.75	48.98
7038	NASDAQ	CRVL	Tue, May 5, 2020	49.85	51.96	49.69	49.76
7037	NASDAQ	CRVL	Mon, May 4, 2020	50.40	51.53	47.64	49.28
7036	NASDAQ	CRVL	Fri, May 1, 2020	51.89	51.89	50.10	51.32
7035	NASDAQ	CRVL	Thu, Apr 30, 2020	53.79	54.14	51.17	52.69
7034	NASDAQ	CRVL	Wed, Apr 29, 2020	52.80	56.10	51.66	54.53
7033	NASDAQ	CRVL	Tue, Apr 28, 2020	52.69	52.69	49.77	50.96
7032	NASDAQ	CRVL	Mon, Apr 27, 2020	49.18	51.76	48.95	51.30
7031	NASDAQ	CRVL	Fri, Apr 24, 2020	51.49	51.49	48.87	49.35
7030	NASDAQ	CRVL	Thu, Apr 23, 2020	48.87	51.89	48.45	51.46
7029	NASDAQ	CRVL	Wed, Apr 22, 2020	50.28	50.28	48.37	48.80
7028	NASDAQ	CRVL	Tue, Apr 21, 2020	49.51	49.99	48.16	48.48
7027	NASDAQ	CRVL	Mon, Apr 20, 2020	55.07	55.30	51.00	51.69
7026	NASDAQ	CRVL	Fri, Apr 17, 2020	54.12	56.91	54.12	56.68
7025	NASDAQ	CRVL	Thu, Apr 16, 2020	54.74	55.42	50.55	52.01
7024	NASDAQ	CRVL	Wed, Apr 15, 2020	55.28	56.98	53.86	54.31
7023	NASDAQ	CRVL	Tue, Apr 14, 2020	56.24	57.57	55.01	57.28
7022	NASDAQ	CRVL	Mon, Apr 13, 2020	56.04	56.04	52.32	54.84
7021	NASDAQ	CRVL	Thu, Apr 9, 2020	60.45	60.94	53.93	56.44
7020	NASDAQ	CRVL	Wed, Apr 8, 2020	59.73	61.01	58.09	59.54
7019	NASDAQ	CRVL	Tue, Apr 7, 2020	58.57	60.50	56.12	58.32
7018	NASDAQ	CRVL	Mon, Apr 6, 2020	51.08	58.53	51.08	57.52
7017	NASDAQ	CRVL	Fri, Apr 3, 2020	52.53	54.52	48.76	49.94
7016	NASDAQ	CRVL	Thu, Apr 2, 2020	51.45	54.80	50.98	52.52
7015	NASDAQ	CRVL	Wed, Apr 1, 2020	52.63	53.57	49.84	51.00
7014	NASDAQ	CRVL	Tue, Mar 31, 2020	54.62	56.70	53.01	54.51
7013	NASDAQ	CRVL	Mon, Mar 30, 2020	52.69	55.43	51.46	55.01
7012	NASDAQ	CRVL	Fri, Mar 27, 2020	54.32	58.25	52.04	52.04
7011	NASDAQ	CRVL	Thu, Mar 26, 2020	52.61	61.37	52.61	56.51
7010	NASDAQ	CRVL	Wed, Mar 25, 2020	55.59	57.42	52.42	53.07
7009	NASDAQ	CRVL	Tue, Mar 24, 2020	55.99	57.35	52.62	55.35
7008	NASDAQ	CRVL	Mon, Mar 23, 2020	55.05	55.05	50.15	53.20
7007	NASDAQ	CRVL	Fri, Mar 20, 2020	61.74	64.52	53.29	54.02
7006	NASDAQ	CRVL	Thu, Mar 19, 2020	55.36	65.86	55.00	62.33
7005	NASDAQ	CRVL	Wed, Mar 18, 2020	59.47	63.23	53.43	55.69
7004	NASDAQ	CRVL	Tue, Mar 17, 2020	57.11	63.87	55.78	62.98
7003	NASDAQ	CRVL	Mon, Mar 16, 2020	61.08	63.48	57.06	57.11
7002	NASDAQ	CRVL	Fri, Mar 13, 2020	59.90	67.73	59.79	67.16
7001	NASDAQ	CRVL	Thu, Mar 12, 2020	60.92	63.16	57.23	57.53
7000	NASDAQ	CRVL	Wed, Mar 11, 2020	64.40	65.42	63.10	64.15
6999	NASDAQ	CRVL	Tue, Mar 10, 2020	66.35	67.55	64.02	65.85
6998	NASDAQ	CRVL	Mon, Mar 9, 2020	65.17	67.64	64.68	65.11
6997	NASDAQ	CRVL	Fri, Mar 6, 2020	67.34	69.24	66.43	69.04
6996	NASDAQ	CRVL	Thu, Mar 5, 2020	70.45	71.28	68.09	69.10
6995	NASDAQ	CRVL	Wed, Mar 4, 2020	69.80	72.00	69.80	71.83
6994	NASDAQ	CRVL	Tue, Mar 3, 2020	71.24	75.37	67.86	68.79
6993	NASDAQ	CRVL	Mon, Mar 2, 2020	69.12	71.60	68.70	71.38
6992	NASDAQ	CRVL	Fri, Feb 28, 2020	72.52	72.93	67.64	68.94
6991	NASDAQ	CRVL	Thu, Feb 27, 2020	73.12	75.73	71.68	74.24
6990	NASDAQ	CRVL	Wed, Feb 26, 2020	75.08	75.92	73.88	74.12
6989	NASDAQ	CRVL	Tue, Feb 25, 2020	77.09	77.28	73.68	74.94
6988	NASDAQ	CRVL	Mon, Feb 24, 2020	78.56	78.95	77.02	77.18
6987	NASDAQ	CRVL	Fri, Feb 21, 2020	81.17	81.27	80.07	80.48
6986	NASDAQ	CRVL	Thu, Feb 20, 2020	81.28	81.63	80.27	81.22
6985	NASDAQ	CRVL	Wed, Feb 19, 2020	82.21	82.48	80.82	81.36
6984	NASDAQ	CRVL	Tue, Feb 18, 2020	81.52	82.17	80.80	81.95
6983	NASDAQ	CRVL	Fri, Feb 14, 2020	81.55	83.32	81.07	81.70
6982	NASDAQ	CRVL	Thu, Feb 13, 2020	81.93	82.78	81.44	81.44
6981	NASDAQ	CRVL	Wed, Feb 12, 2020	82.70	83.51	81.82	82.12
6980	NASDAQ	CRVL	Tue, Feb 11, 2020	82.72	83.59	82.40	82.50
6979	NASDAQ	CRVL	Mon, Feb 10, 2020	83.65	83.65	82.35	82.65
6978	NASDAQ	CRVL	Fri, Feb 7, 2020	85.54	85.90	84.13	84.14
6977	NASDAQ	CRVL	Thu, Feb 6, 2020	87.75	87.75	85.51	85.86
6976	NASDAQ	CRVL	Wed, Feb 5, 2020	88.78	88.78	85.98	87.90
6975	NASDAQ	CRVL	Tue, Feb 4, 2020	93.19	93.19	87.65	88.22
6974	NASDAQ	CRVL	Mon, Feb 3, 2020	92.12	92.12	90.20	90.83
6973	NASDAQ	CRVL	Fri, Jan 31, 2020	93.29	93.29	90.58	91.57
6972	NASDAQ	CRVL	Thu, Jan 30, 2020	92.99	93.91	92.78	93.55
6971	NASDAQ	CRVL	Wed, Jan 29, 2020	95.35	95.35	93.33	93.51
6970	NASDAQ	CRVL	Tue, Jan 28, 2020	93.13	95.59	92.50	95.48
6969	NASDAQ	CRVL	Mon, Jan 27, 2020	91.30	93.05	91.30	92.80
6968	NASDAQ	CRVL	Fri, Jan 24, 2020	95.32	95.32	92.32	92.81
6967	NASDAQ	CRVL	Thu, Jan 23, 2020	94.76	95.57	93.99	95.16
6966	NASDAQ	CRVL	Wed, Jan 22, 2020	95.93	96.34	94.87	95.00
6965	NASDAQ	CRVL	Tue, Jan 21, 2020	95.37	96.45	94.82	95.82
6964	NASDAQ	CRVL	Fri, Jan 17, 2020	95.92	96.10	94.71	95.67
6963	NASDAQ	CRVL	Thu, Jan 16, 2020	94.95	95.95	94.28	95.59
6962	NASDAQ	CRVL	Wed, Jan 15, 2020	93.12	95.05	93.12	94.31
6961	NASDAQ	CRVL	Tue, Jan 14, 2020	92.97	94.10	92.97	93.14
6960	NASDAQ	CRVL	Mon, Jan 13, 2020	92.87	94.17	92.38	93.16
6959	NASDAQ	CRVL	Fri, Jan 10, 2020	92.22	93.29	92.04	92.65
6958	NASDAQ	CRVL	Thu, Jan 9, 2020	91.13	92.95	91.13	91.73
6957	NASDAQ	CRVL	Wed, Jan 8, 2020	90.34	91.80	90.18	90.85
6956	NASDAQ	CRVL	Tue, Jan 7, 2020	89.90	90.50	89.47	90.16
6955	NASDAQ	CRVL	Mon, Jan 6, 2020	89.29	90.52	87.92	90.19
6954	NASDAQ	CRVL	Fri, Jan 3, 2020	87.10	90.30	87.10	90.08
6953	NASDAQ	CRVL	Thu, Jan 2, 2020	87.78	88.00	86.50	87.93
6952	NASDAQ	CRVL	Tue, Dec 31, 2019	87.07	87.98	87.07	87.36
6951	NASDAQ	CRVL	Mon, Dec 30, 2019	86.65	87.22	85.34	87.21
6950	NASDAQ	CRVL	Fri, Dec 27, 2019	86.87	87.21	85.60	86.32
6949	NASDAQ	CRVL	Thu, Dec 26, 2019	85.82	87.09	85.81	86.71
6948	NASDAQ	CRVL	Tue, Dec 24, 2019	84.97	85.81	84.37	85.81
6947	NASDAQ	CRVL	Mon, Dec 23, 2019	84.03	85.04	83.28	85.03
6946	NASDAQ	CRVL	Fri, Dec 20, 2019	83.14	83.80	82.10	83.74
6945	NASDAQ	CRVL	Thu, Dec 19, 2019	82.93	83.08	81.96	83.02
6944	NASDAQ	CRVL	Wed, Dec 18, 2019	82.60	82.88	81.69	82.72
6943	NASDAQ	CRVL	Tue, Dec 17, 2019	82.48	83.10	81.93	82.60
6942	NASDAQ	CRVL	Mon, Dec 16, 2019	82.89	83.77	82.48	82.53
6941	NASDAQ	CRVL	Fri, Dec 13, 2019	82.98	83.22	81.93	82.82
6940	NASDAQ	CRVL	Thu, Dec 12, 2019	82.11	83.90	81.81	82.98
6939	NASDAQ	CRVL	Wed, Dec 11, 2019	81.98	82.71	80.56	82.20
6938	NASDAQ	CRVL	Tue, Dec 10, 2019	81.29	82.79	81.29	81.92
6937	NASDAQ	CRVL	Mon, Dec 9, 2019	82.28	82.34	81.19	81.72
6936	NASDAQ	CRVL	Fri, Dec 6, 2019	81.55	82.88	81.18	82.32
6935	NASDAQ	CRVL	Thu, Dec 5, 2019	81.15	81.27	80.18	80.97
6934	NASDAQ	CRVL	Wed, Dec 4, 2019	81.74	82.60	81.03	81.23
6933	NASDAQ	CRVL	Tue, Dec 3, 2019	81.04	82.03	80.79	81.55
6932	NASDAQ	CRVL	Mon, Dec 2, 2019	82.82	83.11	81.45	81.76
6931	NASDAQ	CRVL	Fri, Nov 29, 2019	82.40	83.52	81.86	82.51
6930	NASDAQ	CRVL	Wed, Nov 27, 2019	81.77	82.79	81.22	82.44
6929	NASDAQ	CRVL	Tue, Nov 26, 2019	81.49	82.60	81.21	81.32
6928	NASDAQ	CRVL	Mon, Nov 25, 2019	79.75	81.91	79.75	81.57
6927	NASDAQ	CRVL	Fri, Nov 22, 2019	79.19	80.75	79.00	79.87
6926	NASDAQ	CRVL	Thu, Nov 21, 2019	77.84	79.34	77.48	79.11
6925	NASDAQ	CRVL	Wed, Nov 20, 2019	76.74	78.77	76.74	77.79
6924	NASDAQ	CRVL	Tue, Nov 19, 2019	77.21	79.09	77.14	77.14
6923	NASDAQ	CRVL	Mon, Nov 18, 2019	76.70	77.79	76.60	76.85
6922	NASDAQ	CRVL	Fri, Nov 15, 2019	76.33	76.65	75.31	76.57
6921	NASDAQ	CRVL	Thu, Nov 14, 2019	75.27	76.74	75.10	75.82
6920	NASDAQ	CRVL	Wed, Nov 13, 2019	76.91	77.51	74.80	75.33
6919	NASDAQ	CRVL	Tue, Nov 12, 2019	77.94	78.60	77.13	77.19
6918	NASDAQ	CRVL	Mon, Nov 11, 2019	76.97	79.42	76.97	77.84
6917	NASDAQ	CRVL	Fri, Nov 8, 2019	76.87	77.85	76.85	77.71
6916	NASDAQ	CRVL	Thu, Nov 7, 2019	77.71	78.27	76.45	77.02
6915	NASDAQ	CRVL	Wed, Nov 6, 2019	77.89	78.19	77.05	77.29
6914	NASDAQ	CRVL	Tue, Nov 5, 2019	77.96	79.35	77.50	77.93
6913	NASDAQ	CRVL	Mon, Nov 4, 2019	80.10	80.48	77.57	77.79
6912	NASDAQ	CRVL	Fri, Nov 1, 2019	79.56	81.06	79.56	79.82
6911	NASDAQ	CRVL	Thu, Oct 31, 2019	80.51	81.10	78.66	79.12
6910	NASDAQ	CRVL	Wed, Oct 30, 2019	79.77	80.97	79.22	80.60
6909	NASDAQ	CRVL	Tue, Oct 29, 2019	78.45	80.69	78.27	79.53
6908	NASDAQ	CRVL	Mon, Oct 28, 2019	77.64	79.81	77.64	78.57
6907	NASDAQ	CRVL	Fri, Oct 25, 2019	77.15	78.29	77.09	77.24
6906	NASDAQ	CRVL	Thu, Oct 24, 2019	76.70	77.77	76.16	77.24
6905	NASDAQ	CRVL	Wed, Oct 23, 2019	77.12	77.69	76.22	76.55
6904	NASDAQ	CRVL	Tue, Oct 22, 2019	78.44	79.37	76.92	77.20
6903	NASDAQ	CRVL	Mon, Oct 21, 2019	78.88	80.27	78.21	78.30
6902	NASDAQ	CRVL	Fri, Oct 18, 2019	79.38	80.02	77.88	78.53
6901	NASDAQ	CRVL	Thu, Oct 17, 2019	78.48	80.53	78.48	79.84
6900	NASDAQ	CRVL	Wed, Oct 16, 2019	78.36	79.09	77.58	78.23
6899	NASDAQ	CRVL	Tue, Oct 15, 2019	77.30	79.19	77.30	78.45
6898	NASDAQ	CRVL	Mon, Oct 14, 2019	77.15	77.91	76.59	76.93
6897	NASDAQ	CRVL	Fri, Oct 11, 2019	77.13	78.88	77.13	77.30
6896	NASDAQ	CRVL	Thu, Oct 10, 2019	76.54	77.57	76.54	76.63
6895	NASDAQ	CRVL	Wed, Oct 9, 2019	77.25	77.90	76.45	76.62
6894	NASDAQ	CRVL	Tue, Oct 8, 2019	77.04	77.68	75.76	76.75
6893	NASDAQ	CRVL	Mon, Oct 7, 2019	78.46	78.46	77.25	77.33
6892	NASDAQ	CRVL	Fri, Oct 4, 2019	77.05	78.93	76.77	78.74
6891	NASDAQ	CRVL	Thu, Oct 3, 2019	75.36	76.91	75.36	76.62
6890	NASDAQ	CRVL	Wed, Oct 2, 2019	75.39	76.17	74.80	75.26
6889	NASDAQ	CRVL	Tue, Oct 1, 2019	75.72	76.80	75.42	75.64
6888	NASDAQ	CRVL	Mon, Sep 30, 2019	75.34	76.35	74.83	75.70
6887	NASDAQ	CRVL	Fri, Sep 27, 2019	75.56	76.11	74.44	75.01
6886	NASDAQ	CRVL	Thu, Sep 26, 2019	77.15	77.15	74.36	75.46
6885	NASDAQ	CRVL	Wed, Sep 25, 2019	77.73	78.03	76.11	77.00
6884	NASDAQ	CRVL	Tue, Sep 24, 2019	81.56	81.60	77.46	77.63
6883	NASDAQ	CRVL	Mon, Sep 23, 2019	83.39	83.56	80.96	81.02
6882	NASDAQ	CRVL	Fri, Sep 20, 2019	82.33	84.01	82.33	83.20
6881	NASDAQ	CRVL	Thu, Sep 19, 2019	81.43	83.65	80.88	82.25
6880	NASDAQ	CRVL	Wed, Sep 18, 2019	81.72	82.19	79.53	81.24
6879	NASDAQ	CRVL	Tue, Sep 17, 2019	80.65	82.55	79.86	81.63
6878	NASDAQ	CRVL	Mon, Sep 16, 2019	79.30	80.63	78.37	80.35
6877	NASDAQ	CRVL	Fri, Sep 13, 2019	80.88	81.13	79.17	79.51
6876	NASDAQ	CRVL	Thu, Sep 12, 2019	82.69	82.97	80.20	80.34
6875	NASDAQ	CRVL	Wed, Sep 11, 2019	81.63	83.49	80.23	82.27
6874	NASDAQ	CRVL	Tue, Sep 10, 2019	85.83	85.83	81.09	81.41
6873	NASDAQ	CRVL	Mon, Sep 9, 2019	84.67	86.50	83.38	86.03
6872	NASDAQ	CRVL	Fri, Sep 6, 2019	83.43	85.50	83.26	84.12
6871	NASDAQ	CRVL	Thu, Sep 5, 2019	85.71	85.71	83.15	83.50
6870	NASDAQ	CRVL	Wed, Sep 4, 2019	85.37	86.42	84.69	84.69
6869	NASDAQ	CRVL	Tue, Sep 3, 2019	83.84	85.30	83.14	84.51
6868	NASDAQ	CRVL	Fri, Aug 30, 2019	86.21	86.68	83.85	84.23
6867	NASDAQ	CRVL	Thu, Aug 29, 2019	84.41	86.22	83.90	86.09
6866	NASDAQ	CRVL	Wed, Aug 28, 2019	82.81	84.43	82.51	83.83
6865	NASDAQ	CRVL	Tue, Aug 27, 2019	83.72	84.24	82.46	82.90
6864	NASDAQ	CRVL	Mon, Aug 26, 2019	82.46	83.29	81.56	83.11
6863	NASDAQ	CRVL	Fri, Aug 23, 2019	84.61	85.47	81.44	81.56
6862	NASDAQ	CRVL	Thu, Aug 22, 2019	85.45	85.89	84.71	84.89
6861	NASDAQ	CRVL	Wed, Aug 21, 2019	85.80	86.62	85.13	85.53
6860	NASDAQ	CRVL	Tue, Aug 20, 2019	85.22	86.00	84.50	85.12
6859	NASDAQ	CRVL	Mon, Aug 19, 2019	85.77	86.29	84.56	85.25
6858	NASDAQ	CRVL	Fri, Aug 16, 2019	84.89	87.00	84.50	84.87
6857	NASDAQ	CRVL	Thu, Aug 15, 2019	84.87	85.50	83.81	84.70
6856	NASDAQ	CRVL	Wed, Aug 14, 2019	87.14	88.11	84.12	84.55
6855	NASDAQ	CRVL	Tue, Aug 13, 2019	86.11	88.81	86.11	88.12
6854	NASDAQ	CRVL	Mon, Aug 12, 2019	87.02	87.53	86.15	86.15
6853	NASDAQ	CRVL	Fri, Aug 9, 2019	87.36	87.82	86.27	87.15
6852	NASDAQ	CRVL	Thu, Aug 8, 2019	86.26	89.31	86.26	87.49
6851	NASDAQ	CRVL	Wed, Aug 7, 2019	84.20	86.82	83.49	85.74
6850	NASDAQ	CRVL	Tue, Aug 6, 2019	84.11	85.51	84.01	85.05
6849	NASDAQ	CRVL	Mon, Aug 5, 2019	83.70	84.34	82.72	83.56
6848	NASDAQ	CRVL	Fri, Aug 2, 2019	85.00	85.96	83.98	84.81
6847	NASDAQ	CRVL	Thu, Aug 1, 2019	85.00	86.42	84.41	84.99
6846	NASDAQ	CRVL	Wed, Jul 31, 2019	87.24	89.29	83.50	85.20
6845	NASDAQ	CRVL	Tue, Jul 30, 2019	89.89	92.73	75.73	87.20
6844	NASDAQ	CRVL	Mon, Jul 29, 2019	92.39	93.74	92.39	93.00
6843	NASDAQ	CRVL	Fri, Jul 26, 2019	92.35	93.96	91.78	92.68
6842	NASDAQ	CRVL	Thu, Jul 25, 2019	92.79	93.58	91.78	91.91
6841	NASDAQ	CRVL	Wed, Jul 24, 2019	91.80	93.03	90.33	93.02
6840	NASDAQ	CRVL	Tue, Jul 23, 2019	91.93	93.34	91.24	92.12
6839	NASDAQ	CRVL	Mon, Jul 22, 2019	90.93	92.18	90.68	91.59
6838	NASDAQ	CRVL	Fri, Jul 19, 2019	91.34	93.30	90.87	90.87
6837	NASDAQ	CRVL	Thu, Jul 18, 2019	90.62	92.61	90.62	91.47
6836	NASDAQ	CRVL	Wed, Jul 17, 2019	89.60	91.03	89.06	90.70
6835	NASDAQ	CRVL	Tue, Jul 16, 2019	89.30	90.63	89.14	89.51
6834	NASDAQ	CRVL	Mon, Jul 15, 2019	88.88	89.39	88.50	89.18
6833	NASDAQ	CRVL	Fri, Jul 12, 2019	88.93	89.53	88.53	89.01
6832	NASDAQ	CRVL	Thu, Jul 11, 2019	88.87	90.20	88.73	88.85
6831	NASDAQ	CRVL	Wed, Jul 10, 2019	87.79	89.50	87.22	88.68
6830	NASDAQ	CRVL	Tue, Jul 9, 2019	87.28	88.00	86.59	87.36
6829	NASDAQ	CRVL	Mon, Jul 8, 2019	88.87	89.13	86.93	87.38
6828	NASDAQ	CRVL	Fri, Jul 5, 2019	88.36	89.26	87.92	88.71
6827	NASDAQ	CRVL	Wed, Jul 3, 2019	87.43	89.26	87.43	88.88
6826	NASDAQ	CRVL	Tue, Jul 2, 2019	87.44	88.08	86.49	87.49
6825	NASDAQ	CRVL	Mon, Jul 1, 2019	88.09	88.75	86.28	87.62
6824	NASDAQ	CRVL	Fri, Jun 28, 2019	84.66	87.72	84.10	87.01
6823	NASDAQ	CRVL	Thu, Jun 27, 2019	82.98	84.88	82.75	84.51
6822	NASDAQ	CRVL	Wed, Jun 26, 2019	83.40	84.26	82.71	82.85
6821	NASDAQ	CRVL	Tue, Jun 25, 2019	82.31	83.90	81.78	83.54
6820	NASDAQ	CRVL	Mon, Jun 24, 2019	83.65	84.94	81.57	82.40
6819	NASDAQ	CRVL	Fri, Jun 21, 2019	84.13	84.90	82.95	83.60
6818	NASDAQ	CRVL	Thu, Jun 20, 2019	84.42	85.60	83.75	84.39
6817	NASDAQ	CRVL	Wed, Jun 19, 2019	83.18	83.85	82.80	83.52
6816	NASDAQ	CRVL	Tue, Jun 18, 2019	82.33	83.30	81.79	83.18
6815	NASDAQ	CRVL	Mon, Jun 17, 2019	81.53	82.60	81.02	82.13
6814	NASDAQ	CRVL	Fri, Jun 14, 2019	82.79	83.38	81.27	81.66
6813	NASDAQ	CRVL	Thu, Jun 13, 2019	81.75	83.50	81.75	82.43
6812	NASDAQ	CRVL	Wed, Jun 12, 2019	79.74	82.10	79.74	81.97
6811	NASDAQ	CRVL	Tue, Jun 11, 2019	79.34	80.61	78.68	79.86
6810	NASDAQ	CRVL	Mon, Jun 10, 2019	77.75	79.60	77.75	79.00
6809	NASDAQ	CRVL	Fri, Jun 7, 2019	78.20	78.45	77.32	77.70
6808	NASDAQ	CRVL	Thu, Jun 6, 2019	77.53	78.75	77.53	77.83
6807	NASDAQ	CRVL	Wed, Jun 5, 2019	76.00	78.00	76.00	77.30
6806	NASDAQ	CRVL	Tue, Jun 4, 2019	74.34	76.79	74.01	76.32
6805	NASDAQ	CRVL	Mon, Jun 3, 2019	73.71	74.57	73.17	73.87
6804	NASDAQ	CRVL	Fri, May 31, 2019	72.86	74.21	72.29	73.98
6803	NASDAQ	CRVL	Thu, May 30, 2019	71.00	74.54	71.00	73.75
6802	NASDAQ	CRVL	Wed, May 29, 2019	70.88	72.03	70.00	70.74
6801	NASDAQ	CRVL	Tue, May 28, 2019	71.32	71.61	70.71	71.40
6800	NASDAQ	CRVL	Fri, May 24, 2019	71.79	72.67	70.91	71.41
6799	NASDAQ	CRVL	Thu, May 23, 2019	73.11	73.73	71.14	71.73
6798	NASDAQ	CRVL	Wed, May 22, 2019	73.17	74.43	72.89	73.62
6797	NASDAQ	CRVL	Tue, May 21, 2019	74.11	74.86	72.68	73.62
6796	NASDAQ	CRVL	Mon, May 20, 2019	72.56	74.52	71.73	73.94
6795	NASDAQ	CRVL	Fri, May 17, 2019	73.57	74.48	72.84	72.98
6794	NASDAQ	CRVL	Thu, May 16, 2019	73.74	75.10	73.63	74.12
6793	NASDAQ	CRVL	Wed, May 15, 2019	72.76	74.24	72.76	73.50
6792	NASDAQ	CRVL	Tue, May 14, 2019	73.24	74.37	72.82	73.20
6791	NASDAQ	CRVL	Mon, May 13, 2019	72.13	73.40	71.97	73.09
6790	NASDAQ	CRVL	Fri, May 10, 2019	72.22	73.45	71.55	72.98
6789	NASDAQ	CRVL	Thu, May 9, 2019	70.83	72.79	70.52	72.61
6788	NASDAQ	CRVL	Wed, May 8, 2019	70.61	72.51	70.61	71.26
6787	NASDAQ	CRVL	Tue, May 7, 2019	71.80	73.09	70.43	70.78
6786	NASDAQ	CRVL	Mon, May 6, 2019	71.82	73.15	71.52	72.31
6785	NASDAQ	CRVL	Fri, May 3, 2019	71.37	72.86	70.96	72.79
6784	NASDAQ	CRVL	Thu, May 2, 2019	70.73	71.84	70.36	71.09
6783	NASDAQ	CRVL	Wed, May 1, 2019	71.97	72.19	70.77	71.01
6782	NASDAQ	CRVL	Tue, Apr 30, 2019	71.50	72.21	70.15	71.80
6781	NASDAQ	CRVL	Mon, Apr 29, 2019	70.83	71.77	70.50	71.49
6780	NASDAQ	CRVL	Fri, Apr 26, 2019	70.31	71.34	70.01	71.09
6779	NASDAQ	CRVL	Thu, Apr 25, 2019	69.57	70.52	68.84	70.24
6778	NASDAQ	CRVL	Wed, Apr 24, 2019	68.87	70.25	68.87	69.74
6777	NASDAQ	CRVL	Tue, Apr 23, 2019	67.27	69.09	67.26	68.90
6776	NASDAQ	CRVL	Mon, Apr 22, 2019	67.22	67.89	66.29	66.81
6775	NASDAQ	CRVL	Thu, Apr 18, 2019	66.75	68.02	66.66	67.46
6774	NASDAQ	CRVL	Wed, Apr 17, 2019	67.53	68.37	66.28	66.89
6773	NASDAQ	CRVL	Tue, Apr 16, 2019	68.72	69.12	66.97	67.39
6772	NASDAQ	CRVL	Mon, Apr 15, 2019	67.64	68.55	67.64	68.55
6771	NASDAQ	CRVL	Fri, Apr 12, 2019	67.96	68.99	67.48	67.73
6770	NASDAQ	CRVL	Thu, Apr 11, 2019	68.47	68.56	67.70	67.72
6769	NASDAQ	CRVL	Wed, Apr 10, 2019	66.74	68.56	66.74	68.46
6768	NASDAQ	CRVL	Tue, Apr 9, 2019	65.93	67.28	65.52	66.58
6767	NASDAQ	CRVL	Mon, Apr 8, 2019	67.64	67.91	66.36	66.55
6766	NASDAQ	CRVL	Fri, Apr 5, 2019	67.71	69.00	67.23	68.00
6765	NASDAQ	CRVL	Thu, Apr 4, 2019	67.20	67.98	66.88	67.54
6764	NASDAQ	CRVL	Wed, Apr 3, 2019	65.90	67.93	65.90	67.29
6763	NASDAQ	CRVL	Tue, Apr 2, 2019	65.64	66.25	65.25	65.47
6762	NASDAQ	CRVL	Mon, Apr 1, 2019	65.56	65.93	65.10	65.64
6761	NASDAQ	CRVL	Fri, Mar 29, 2019	65.15	65.63	64.39	65.24
6760	NASDAQ	CRVL	Thu, Mar 28, 2019	64.05	64.98	63.99	64.88
6759	NASDAQ	CRVL	Wed, Mar 27, 2019	64.09	64.25	62.84	63.80
6758	NASDAQ	CRVL	Tue, Mar 26, 2019	64.72	65.33	64.12	64.13
6757	NASDAQ	CRVL	Mon, Mar 25, 2019	63.42	64.89	62.43	64.38
6756	NASDAQ	CRVL	Fri, Mar 22, 2019	64.65	64.75	63.28	63.41
6755	NASDAQ	CRVL	Thu, Mar 21, 2019	64.17	66.38	64.03	64.99
6754	NASDAQ	CRVL	Wed, Mar 20, 2019	64.43	65.19	63.71	64.27
6753	NASDAQ	CRVL	Tue, Mar 19, 2019	66.35	66.96	64.29	64.40
6752	NASDAQ	CRVL	Mon, Mar 18, 2019	65.20	66.88	65.20	66.18
6751	NASDAQ	CRVL	Fri, Mar 15, 2019	65.06	66.71	64.60	65.23
6750	NASDAQ	CRVL	Thu, Mar 14, 2019	65.74	66.53	65.06	65.11
6749	NASDAQ	CRVL	Wed, Mar 13, 2019	65.00	67.22	65.00	65.75
6748	NASDAQ	CRVL	Tue, Mar 12, 2019	63.79	65.35	63.58	64.89
6747	NASDAQ	CRVL	Mon, Mar 11, 2019	63.22	64.47	62.92	63.76
6746	NASDAQ	CRVL	Fri, Mar 8, 2019	62.62	63.95	62.62	63.21
6745	NASDAQ	CRVL	Thu, Mar 7, 2019	63.99	64.29	62.89	63.39
6744	NASDAQ	CRVL	Wed, Mar 6, 2019	65.92	65.92	63.85	64.00
6743	NASDAQ	CRVL	Tue, Mar 5, 2019	66.17	67.08	65.80	65.94
6742	NASDAQ	CRVL	Mon, Mar 4, 2019	68.32	68.32	65.88	66.51
6741	NASDAQ	CRVL	Fri, Mar 1, 2019	67.69	68.64	66.98	68.34
6740	NASDAQ	CRVL	Thu, Feb 28, 2019	66.30	67.58	66.22	67.30
6739	NASDAQ	CRVL	Wed, Feb 27, 2019	65.27	66.72	65.18	66.68
6738	NASDAQ	CRVL	Tue, Feb 26, 2019	65.38	65.69	64.62	65.52
6737	NASDAQ	CRVL	Mon, Feb 25, 2019	66.50	67.00	65.20	65.35
6736	NASDAQ	CRVL	Fri, Feb 22, 2019	66.47	66.68	65.90	66.49
6735	NASDAQ	CRVL	Thu, Feb 21, 2019	66.61	66.71	66.00	66.49
6734	NASDAQ	CRVL	Wed, Feb 20, 2019	66.72	67.34	66.11	66.61
6733	NASDAQ	CRVL	Tue, Feb 19, 2019	66.86	68.00	66.36	66.78
6732	NASDAQ	CRVL	Fri, Feb 15, 2019	66.29	67.15	66.01	67.07
6731	NASDAQ	CRVL	Thu, Feb 14, 2019	65.40	67.07	63.46	65.86
6730	NASDAQ	CRVL	Wed, Feb 13, 2019	65.72	66.60	65.12	65.76
6729	NASDAQ	CRVL	Tue, Feb 12, 2019	64.50	65.76	64.43	65.65
6728	NASDAQ	CRVL	Mon, Feb 11, 2019	62.73	64.13	61.60	64.06
6727	NASDAQ	CRVL	Fri, Feb 8, 2019	62.20	63.37	61.46	62.79
6726	NASDAQ	CRVL	Thu, Feb 7, 2019	62.26	62.92	61.19	62.31
6725	NASDAQ	CRVL	Wed, Feb 6, 2019	62.61	63.12	61.85	62.27
6724	NASDAQ	CRVL	Tue, Feb 5, 2019	61.00	63.76	61.00	62.75
6723	NASDAQ	CRVL	Mon, Feb 4, 2019	62.41	64.61	62.18	62.61
6722	NASDAQ	CRVL	Fri, Feb 1, 2019	62.48	63.05	62.34	62.69
6721	NASDAQ	CRVL	Thu, Jan 31, 2019	62.15	63.31	62.15	62.47
6720	NASDAQ	CRVL	Wed, Jan 30, 2019	61.69	63.07	61.27	62.36
6719	NASDAQ	CRVL	Tue, Jan 29, 2019	62.22	62.44	61.40	61.69
6718	NASDAQ	CRVL	Mon, Jan 28, 2019	63.01	63.16	61.63	62.23
6717	NASDAQ	CRVL	Fri, Jan 25, 2019	63.60	65.22	62.91	63.50
6716	NASDAQ	CRVL	Thu, Jan 24, 2019	63.69	64.39	63.35	63.35
6715	NASDAQ	CRVL	Wed, Jan 23, 2019	62.14	63.91	62.14	63.68
6714	NASDAQ	CRVL	Tue, Jan 22, 2019	63.69	64.09	61.35	61.96
6713	NASDAQ	CRVL	Fri, Jan 18, 2019	63.40	65.13	63.24	64.21
6712	NASDAQ	CRVL	Thu, Jan 17, 2019	63.31	64.64	62.98	63.21
6711	NASDAQ	CRVL	Wed, Jan 16, 2019	61.81	63.68	61.71	63.68
6710	NASDAQ	CRVL	Tue, Jan 15, 2019	60.64	62.64	60.64	61.98
6709	NASDAQ	CRVL	Mon, Jan 14, 2019	61.99	62.50	60.54	60.80
6708	NASDAQ	CRVL	Fri, Jan 11, 2019	61.57	62.58	61.41	62.00
6707	NASDAQ	CRVL	Thu, Jan 10, 2019	61.50	62.78	61.14	61.87
6706	NASDAQ	CRVL	Wed, Jan 9, 2019	62.44	63.27	61.78	61.92
6705	NASDAQ	CRVL	Tue, Jan 8, 2019	63.48	63.99	62.19	62.31
6704	NASDAQ	CRVL	Mon, Jan 7, 2019	62.38	63.76	62.37	63.10
6703	NASDAQ	CRVL	Fri, Jan 4, 2019	61.12	63.25	60.69	62.39
6702	NASDAQ	CRVL	Thu, Jan 3, 2019	62.18	62.18	60.62	60.73
6701	NASDAQ	CRVL	Wed, Jan 2, 2019	61.20	62.67	60.99	62.30
6700	NASDAQ	CRVL	Mon, Dec 31, 2018	62.97	63.35	60.59	61.72
6699	NASDAQ	CRVL	Fri, Dec 28, 2018	61.86	63.29	60.99	62.73
6698	NASDAQ	CRVL	Thu, Dec 27, 2018	60.62	61.87	59.69	61.87
6697	NASDAQ	CRVL	Wed, Dec 26, 2018	59.73	61.99	59.73	61.49
6696	NASDAQ	CRVL	Mon, Dec 24, 2018	59.58	61.14	59.16	59.45
6695	NASDAQ	CRVL	Fri, Dec 21, 2018	60.49	62.77	59.80	59.88
6694	NASDAQ	CRVL	Thu, Dec 20, 2018	61.04	62.14	60.08	60.54
6693	NASDAQ	CRVL	Wed, Dec 19, 2018	62.41	63.72	60.94	61.04
6692	NASDAQ	CRVL	Tue, Dec 18, 2018	63.13	63.78	62.11	62.42
6691	NASDAQ	CRVL	Mon, Dec 17, 2018	64.10	66.03	62.37	62.63
6690	NASDAQ	CRVL	Fri, Dec 14, 2018	65.17	65.46	64.22	64.26
6689	NASDAQ	CRVL	Thu, Dec 13, 2018	66.75	67.70	65.15	65.83
6688	NASDAQ	CRVL	Wed, Dec 12, 2018	66.42	67.61	65.28	66.75
6687	NASDAQ	CRVL	Tue, Dec 11, 2018	66.55	67.00	65.03	65.83
6686	NASDAQ	CRVL	Mon, Dec 10, 2018	64.85	66.02	64.03	65.98
6685	NASDAQ	CRVL	Fri, Dec 7, 2018	65.97	66.11	64.60	64.89
6684	NASDAQ	CRVL	Thu, Dec 6, 2018	65.12	66.16	64.01	66.15
6683	NASDAQ	CRVL	Tue, Dec 4, 2018	69.98	70.04	65.83	65.90
6682	NASDAQ	CRVL	Mon, Dec 3, 2018	70.31	70.73	67.83	70.24
6681	NASDAQ	CRVL	Fri, Nov 30, 2018	69.12	70.20	67.64	69.70
6680	NASDAQ	CRVL	Thu, Nov 29, 2018	67.24	69.06	67.24	68.96
6679	NASDAQ	CRVL	Wed, Nov 28, 2018	65.71	67.96	65.05	67.72
6678	NASDAQ	CRVL	Tue, Nov 27, 2018	66.00	66.50	65.11	65.61
6677	NASDAQ	CRVL	Mon, Nov 26, 2018	65.74	66.18	65.20	65.99
6676	NASDAQ	CRVL	Fri, Nov 23, 2018	64.20	65.77	64.20	65.60
6675	NASDAQ	CRVL	Wed, Nov 21, 2018	64.14	65.83	64.14	64.65
6674	NASDAQ	CRVL	Tue, Nov 20, 2018	64.81	65.56	64.12	64.13
6673	NASDAQ	CRVL	Mon, Nov 19, 2018	65.11	65.91	64.42	65.44
6672	NASDAQ	CRVL	Fri, Nov 16, 2018	64.18	65.48	64.18	65.12
6671	NASDAQ	CRVL	Thu, Nov 15, 2018	62.23	65.03	62.23	64.75
6670	NASDAQ	CRVL	Wed, Nov 14, 2018	63.87	67.10	62.64	62.89
6669	NASDAQ	CRVL	Tue, Nov 13, 2018	64.48	65.13	62.90	63.49
6668	NASDAQ	CRVL	Mon, Nov 12, 2018	63.70	65.66	63.70	64.24
6667	NASDAQ	CRVL	Fri, Nov 9, 2018	64.67	65.54	63.53	63.99
6666	NASDAQ	CRVL	Thu, Nov 8, 2018	64.50	66.33	63.38	64.87
6665	NASDAQ	CRVL	Wed, Nov 7, 2018	61.91	64.95	61.91	64.54
6664	NASDAQ	CRVL	Tue, Nov 6, 2018	61.72	64.00	61.35	61.91
6663	NASDAQ	CRVL	Mon, Nov 5, 2018	60.00	62.00	59.90	61.89
6662	NASDAQ	CRVL	Fri, Nov 2, 2018	59.33	59.97	58.56	59.77
6661	NASDAQ	CRVL	Thu, Nov 1, 2018	58.12	59.94	58.10	59.32
6660	NASDAQ	CRVL	Wed, Oct 31, 2018	58.79	59.88	57.96	57.96
6659	NASDAQ	CRVL	Tue, Oct 30, 2018	55.07	58.58	55.07	58.42
6658	NASDAQ	CRVL	Mon, Oct 29, 2018	55.53	57.11	54.24	54.91
6657	NASDAQ	CRVL	Fri, Oct 26, 2018	53.88	55.38	52.59	55.10
6656	NASDAQ	CRVL	Thu, Oct 25, 2018	53.18	55.44	53.18	54.46
6655	NASDAQ	CRVL	Wed, Oct 24, 2018	54.23	54.24	52.86	52.86
6654	NASDAQ	CRVL	Tue, Oct 23, 2018	53.67	55.23	53.03	54.20
6653	NASDAQ	CRVL	Mon, Oct 22, 2018	53.96	55.68	53.96	54.37
6652	NASDAQ	CRVL	Fri, Oct 19, 2018	55.12	55.43	53.79	53.85
6651	NASDAQ	CRVL	Thu, Oct 18, 2018	55.91	56.48	54.41	55.14
6650	NASDAQ	CRVL	Wed, Oct 17, 2018	56.76	56.80	55.80	56.17
6649	NASDAQ	CRVL	Tue, Oct 16, 2018	54.56	57.59	52.99	57.09
6648	NASDAQ	CRVL	Mon, Oct 15, 2018	53.60	55.10	53.60	54.31
6647	NASDAQ	CRVL	Fri, Oct 12, 2018	55.64	57.66	52.30	53.64
6646	NASDAQ	CRVL	Thu, Oct 11, 2018	57.10	57.52	55.01	55.13
6645	NASDAQ	CRVL	Wed, Oct 10, 2018	57.74	58.39	57.04	57.38
6644	NASDAQ	CRVL	Tue, Oct 9, 2018	57.22	58.50	57.22	57.88
6643	NASDAQ	CRVL	Mon, Oct 8, 2018	56.64	57.25	56.15	57.21
6642	NASDAQ	CRVL	Fri, Oct 5, 2018	57.67	58.28	55.64	56.64
6641	NASDAQ	CRVL	Thu, Oct 4, 2018	58.19	58.71	57.12	57.72
6640	NASDAQ	CRVL	Wed, Oct 3, 2018	58.09	58.67	57.44	58.38
6639	NASDAQ	CRVL	Tue, Oct 2, 2018	59.99	60.00	57.89	58.05
6638	NASDAQ	CRVL	Mon, Oct 1, 2018	60.36	60.42	59.61	60.00
6637	NASDAQ	CRVL	Fri, Sep 28, 2018	59.45	60.40	59.25	60.25
6636	NASDAQ	CRVL	Thu, Sep 27, 2018	60.05	60.15	59.35	59.65
6635	NASDAQ	CRVL	Wed, Sep 26, 2018	60.10	60.50	59.50	60.05
6634	NASDAQ	CRVL	Tue, Sep 25, 2018	60.50	60.65	60.05	60.15
6633	NASDAQ	CRVL	Mon, Sep 24, 2018	58.85	60.83	58.05	60.60
6632	NASDAQ	CRVL	Fri, Sep 21, 2018	59.55	59.95	58.65	58.80
6631	NASDAQ	CRVL	Thu, Sep 20, 2018	59.05	59.90	58.75	59.60
6630	NASDAQ	CRVL	Wed, Sep 19, 2018	60.05	60.15	58.70	59.10
6629	NASDAQ	CRVL	Tue, Sep 18, 2018	59.90	60.85	59.90	60.10
6628	NASDAQ	CRVL	Mon, Sep 17, 2018	60.20	60.80	59.70	60.00
6627	NASDAQ	CRVL	Fri, Sep 14, 2018	59.05	60.50	59.05	60.50
6626	NASDAQ	CRVL	Thu, Sep 13, 2018	59.75	60.50	59.05	59.05
6625	NASDAQ	CRVL	Wed, Sep 12, 2018	58.65	59.70	57.90	59.55
6624	NASDAQ	CRVL	Tue, Sep 11, 2018	57.50	59.30	57.35	58.60
6623	NASDAQ	CRVL	Mon, Sep 10, 2018	59.10	59.50	57.40	57.55
6622	NASDAQ	CRVL	Fri, Sep 7, 2018	59.55	59.55	58.40	59.10
6621	NASDAQ	CRVL	Thu, Sep 6, 2018	59.25	60.00	59.10	59.70
6620	NASDAQ	CRVL	Wed, Sep 5, 2018	59.30	60.35	58.80	59.15
6619	NASDAQ	CRVL	Tue, Sep 4, 2018	59.30	59.55	58.25	59.45
6618	NASDAQ	CRVL	Fri, Aug 31, 2018	59.20	59.75	58.25	59.45
6617	NASDAQ	CRVL	Thu, Aug 30, 2018	59.65	59.65	58.60	59.35
6616	NASDAQ	CRVL	Wed, Aug 29, 2018	60.20	60.65	59.75	59.80
6615	NASDAQ	CRVL	Tue, Aug 28, 2018	59.95	60.39	59.85	60.30
6614	NASDAQ	CRVL	Mon, Aug 27, 2018	60.30	60.80	59.50	60.25
6613	NASDAQ	CRVL	Fri, Aug 24, 2018	60.10	60.95	59.85	60.15
6612	NASDAQ	CRVL	Thu, Aug 23, 2018	59.80	60.65	59.30	60.30
6611	NASDAQ	CRVL	Wed, Aug 22, 2018	58.70	60.20	58.70	59.90
6610	NASDAQ	CRVL	Tue, Aug 21, 2018	59.50	60.45	58.55	58.90
6609	NASDAQ	CRVL	Mon, Aug 20, 2018	59.35	59.75	58.95	59.50
6608	NASDAQ	CRVL	Fri, Aug 17, 2018	58.35	59.60	58.35	59.30
6607	NASDAQ	CRVL	Thu, Aug 16, 2018	57.80	59.55	57.80	58.55
6606	NASDAQ	CRVL	Wed, Aug 15, 2018	57.65	59.00	57.35	57.80
6605	NASDAQ	CRVL	Tue, Aug 14, 2018	57.25	59.64	57.25	58.05
6604	NASDAQ	CRVL	Mon, Aug 13, 2018	56.30	57.30	56.30	57.10
6603	NASDAQ	CRVL	Fri, Aug 10, 2018	55.45	56.55	55.01	56.35
6602	NASDAQ	CRVL	Thu, Aug 9, 2018	56.50	57.07	55.10	55.75
6601	NASDAQ	CRVL	Wed, Aug 8, 2018	56.75	57.30	56.30	56.55
6600	NASDAQ	CRVL	Tue, Aug 7, 2018	56.70	57.00	56.20	56.75
6599	NASDAQ	CRVL	Mon, Aug 6, 2018	56.45	57.25	56.40	56.65
6598	NASDAQ	CRVL	Fri, Aug 3, 2018	57.30	57.65	55.90	56.55
6597	NASDAQ	CRVL	Thu, Aug 2, 2018	55.35	57.95	55.35	57.35
6596	NASDAQ	CRVL	Wed, Aug 1, 2018	57.35	57.40	53.15	55.25
6595	NASDAQ	CRVL	Tue, Jul 31, 2018	54.90	57.75	54.90	57.35
6594	NASDAQ	CRVL	Mon, Jul 30, 2018	54.80	56.00	54.65	54.70
6593	NASDAQ	CRVL	Fri, Jul 27, 2018	56.35	56.35	54.60	54.80
6592	NASDAQ	CRVL	Thu, Jul 26, 2018	55.50	56.80	55.50	56.45
6591	NASDAQ	CRVL	Wed, Jul 25, 2018	55.30	55.75	54.80	55.50
6590	NASDAQ	CRVL	Tue, Jul 24, 2018	56.65	56.80	55.30	55.30
6589	NASDAQ	CRVL	Mon, Jul 23, 2018	55.90	57.27	55.90	56.60
6588	NASDAQ	CRVL	Fri, Jul 20, 2018	55.60	56.50	55.10	56.10
6587	NASDAQ	CRVL	Thu, Jul 19, 2018	55.40	56.03	55.10	55.40
6586	NASDAQ	CRVL	Wed, Jul 18, 2018	55.55	55.65	54.30	55.50
6585	NASDAQ	CRVL	Tue, Jul 17, 2018	55.75	56.50	55.35	55.50
6584	NASDAQ	CRVL	Mon, Jul 16, 2018	55.50	56.20	55.10	55.90
6583	NASDAQ	CRVL	Fri, Jul 13, 2018	55.70	56.70	55.45	55.55
6582	NASDAQ	CRVL	Thu, Jul 12, 2018	56.60	56.70	55.60	55.75
6581	NASDAQ	CRVL	Wed, Jul 11, 2018	56.60	56.85	55.50	56.45
6580	NASDAQ	CRVL	Tue, Jul 10, 2018	56.40	57.50	55.90	56.85
6579	NASDAQ	CRVL	Mon, Jul 9, 2018	56.40	56.55	55.40	56.50
6578	NASDAQ	CRVL	Fri, Jul 6, 2018	56.55	57.00	55.75	56.55
6577	NASDAQ	CRVL	Thu, Jul 5, 2018	55.60	57.00	55.00	56.65
6576	NASDAQ	CRVL	Tue, Jul 3, 2018	54.75	55.70	54.15	55.30
6575	NASDAQ	CRVL	Mon, Jul 2, 2018	53.80	54.80	53.25	54.70
6574	NASDAQ	CRVL	Fri, Jun 29, 2018	53.70	54.25	53.65	54.00
6573	NASDAQ	CRVL	Thu, Jun 28, 2018	53.75	54.55	52.70	53.55
6572	NASDAQ	CRVL	Wed, Jun 27, 2018	54.65	55.35	53.85	53.85
6571	NASDAQ	CRVL	Tue, Jun 26, 2018	54.35	55.35	53.90	54.70
6570	NASDAQ	CRVL	Mon, Jun 25, 2018	54.60	54.68	53.65	54.30
6569	NASDAQ	CRVL	Fri, Jun 22, 2018	54.00	55.20	53.40	54.85
6568	NASDAQ	CRVL	Thu, Jun 21, 2018	54.40	54.90	53.60	54.05
6567	NASDAQ	CRVL	Wed, Jun 20, 2018	53.35	54.75	53.20	54.50
6566	NASDAQ	CRVL	Tue, Jun 19, 2018	51.20	53.48	50.65	53.25
6565	NASDAQ	CRVL	Mon, Jun 18, 2018	51.30	51.60	50.29	51.55
6564	NASDAQ	CRVL	Fri, Jun 15, 2018	51.05	51.85	51.05	51.55
6563	NASDAQ	CRVL	Thu, Jun 14, 2018	51.05	51.50	50.75	51.50
6562	NASDAQ	CRVL	Wed, Jun 13, 2018	50.35	51.50	50.20	50.85
6561	NASDAQ	CRVL	Tue, Jun 12, 2018	51.10	51.85	50.10	50.33
6560	NASDAQ	CRVL	Mon, Jun 11, 2018	51.50	52.10	50.45	51.05
6559	NASDAQ	CRVL	Fri, Jun 8, 2018	51.50	52.20	51.45	51.70
6558	NASDAQ	CRVL	Thu, Jun 7, 2018	51.40	52.00	50.75	51.85
6557	NASDAQ	CRVL	Wed, Jun 6, 2018	51.85	52.60	51.15	51.70
6556	NASDAQ	CRVL	Tue, Jun 5, 2018	51.70	52.00	51.05	51.80
6555	NASDAQ	CRVL	Mon, Jun 4, 2018	52.90	52.90	51.25	51.70
6554	NASDAQ	CRVL	Fri, Jun 1, 2018	50.60	53.00	50.30	52.85
6553	NASDAQ	CRVL	Thu, May 31, 2018	54.60	54.75	50.50	50.50
6552	NASDAQ	CRVL	Wed, May 30, 2018	53.35	54.63	52.23	54.60
6551	NASDAQ	CRVL	Tue, May 29, 2018	52.85	54.39	52.35	53.35
6550	NASDAQ	CRVL	Fri, May 25, 2018	53.20	54.40	52.45	53.25
6549	NASDAQ	CRVL	Thu, May 24, 2018	52.60	53.70	51.85	53.40
6548	NASDAQ	CRVL	Wed, May 23, 2018	53.10	54.00	52.40	52.55
6547	NASDAQ	CRVL	Tue, May 22, 2018	53.70	54.00	51.75	53.25
6546	NASDAQ	CRVL	Mon, May 21, 2018	52.85	54.00	52.85	53.70
6545	NASDAQ	CRVL	Fri, May 18, 2018	52.25	53.65	51.85	52.85
6544	NASDAQ	CRVL	Thu, May 17, 2018	51.80	52.30	51.80	52.10
6543	NASDAQ	CRVL	Wed, May 16, 2018	51.05	52.30	51.05	51.80
6542	NASDAQ	CRVL	Tue, May 15, 2018	50.80	51.25	50.30	50.95
6541	NASDAQ	CRVL	Mon, May 14, 2018	51.45	51.95	50.70	50.75
6540	NASDAQ	CRVL	Fri, May 11, 2018	52.15	52.15	50.60	51.30
6539	NASDAQ	CRVL	Thu, May 10, 2018	51.80	52.45	51.60	52.20
6538	NASDAQ	CRVL	Wed, May 9, 2018	50.65	52.00	50.27	51.80
6537	NASDAQ	CRVL	Tue, May 8, 2018	49.50	50.75	49.40	50.50
6536	NASDAQ	CRVL	Mon, May 7, 2018	49.85	50.90	48.63	49.55
6535	NASDAQ	CRVL	Fri, May 4, 2018	49.30	50.70	49.30	49.85
6534	NASDAQ	CRVL	Thu, May 3, 2018	50.20	50.25	48.80	49.40
6533	NASDAQ	CRVL	Wed, May 2, 2018	49.85	50.80	49.35	50.35
6532	NASDAQ	CRVL	Tue, May 1, 2018	49.10	49.90	48.65	49.80
6531	NASDAQ	CRVL	Mon, Apr 30, 2018	50.25	52.10	48.85	49.05
6530	NASDAQ	CRVL	Fri, Apr 27, 2018	50.90	51.70	50.35	50.55
6529	NASDAQ	CRVL	Thu, Apr 26, 2018	51.05	51.78	50.60	50.95
6528	NASDAQ	CRVL	Wed, Apr 25, 2018	51.50	52.00	51.20	51.50
6527	NASDAQ	CRVL	Tue, Apr 24, 2018	51.85	52.15	51.00	51.85
6526	NASDAQ	CRVL	Mon, Apr 23, 2018	51.80	52.25	51.20	51.70
6525	NASDAQ	CRVL	Fri, Apr 20, 2018	51.50	52.20	50.70	51.80
6524	NASDAQ	CRVL	Thu, Apr 19, 2018	51.80	52.20	51.35	51.70
6523	NASDAQ	CRVL	Wed, Apr 18, 2018	51.50	52.65	51.50	52.10
6522	NASDAQ	CRVL	Tue, Apr 17, 2018	50.55	51.80	50.50	51.45
6521	NASDAQ	CRVL	Mon, Apr 16, 2018	48.75	50.95	48.75	50.25
6520	NASDAQ	CRVL	Fri, Apr 13, 2018	51.40	51.40	49.25	49.50
6519	NASDAQ	CRVL	Thu, Apr 12, 2018	51.30	51.50	50.60	50.60
6518	NASDAQ	CRVL	Wed, Apr 11, 2018	50.10	51.39	49.50	51.25
6517	NASDAQ	CRVL	Tue, Apr 10, 2018	51.15	52.30	50.10	50.25
6516	NASDAQ	CRVL	Mon, Apr 9, 2018	50.05	51.75	49.90	50.55
6515	NASDAQ	CRVL	Fri, Apr 6, 2018	49.95	50.10	48.25	49.65
6514	NASDAQ	CRVL	Thu, Apr 5, 2018	50.05	51.20	49.55	50.45
6513	NASDAQ	CRVL	Wed, Apr 4, 2018	49.65	50.75	49.00	50.55
6512	NASDAQ	CRVL	Tue, Apr 3, 2018	48.95	50.85	48.75	50.40
6511	NASDAQ	CRVL	Mon, Apr 2, 2018	50.55	50.55	48.25	48.40
6510	NASDAQ	CRVL	Thu, Mar 29, 2018	49.95	50.90	49.30	50.55
6509	NASDAQ	CRVL	Wed, Mar 28, 2018	50.15	50.18	48.80	49.65
6508	NASDAQ	CRVL	Tue, Mar 27, 2018	51.70	51.80	49.75	50.10
6507	NASDAQ	CRVL	Mon, Mar 26, 2018	51.50	51.65	50.20	51.65
6506	NASDAQ	CRVL	Fri, Mar 23, 2018	52.80	53.00	50.70	50.90
6505	NASDAQ	CRVL	Thu, Mar 22, 2018	52.80	53.70	51.80	52.75
6504	NASDAQ	CRVL	Wed, Mar 21, 2018	53.40	54.00	52.75	53.10
6503	NASDAQ	CRVL	Tue, Mar 20, 2018	53.15	53.75	52.30	53.45
6502	NASDAQ	CRVL	Mon, Mar 19, 2018	52.60	53.40	51.95	53.10
6501	NASDAQ	CRVL	Fri, Mar 16, 2018	51.40	53.85	50.75	53.00
6500	NASDAQ	CRVL	Thu, Mar 15, 2018	52.05	52.05	50.30	51.45
6499	NASDAQ	CRVL	Wed, Mar 14, 2018	51.05	52.15	50.45	51.95
6498	NASDAQ	CRVL	Tue, Mar 13, 2018	52.30	53.05	50.40	50.75
6497	NASDAQ	CRVL	Mon, Mar 12, 2018	51.95	52.94	51.58	51.95
6496	NASDAQ	CRVL	Fri, Mar 9, 2018	51.00	52.25	49.40	52.05
6495	NASDAQ	CRVL	Thu, Mar 8, 2018	50.05	50.95	49.05	50.95
6494	NASDAQ	CRVL	Wed, Mar 7, 2018	49.60	50.45	48.20	50.05
6493	NASDAQ	CRVL	Tue, Mar 6, 2018	49.15	50.10	48.45	49.50
6492	NASDAQ	CRVL	Mon, Mar 5, 2018	48.35	49.63	48.35	48.90
6491	NASDAQ	CRVL	Fri, Mar 2, 2018	47.30	48.80	46.45	48.45
6490	NASDAQ	CRVL	Thu, Mar 1, 2018	48.90	49.15	46.75	47.70
6489	NASDAQ	CRVL	Wed, Feb 28, 2018	49.30	49.36	48.65	48.95
6488	NASDAQ	CRVL	Tue, Feb 27, 2018	49.90	50.05	49.05	49.20
6487	NASDAQ	CRVL	Mon, Feb 26, 2018	48.05	50.00	48.05	49.90
6486	NASDAQ	CRVL	Fri, Feb 23, 2018	48.85	48.85	47.45	48.05
6485	NASDAQ	CRVL	Thu, Feb 22, 2018	49.35	49.63	48.40	48.65
6484	NASDAQ	CRVL	Wed, Feb 21, 2018	49.05	50.75	48.95	49.35
6483	NASDAQ	CRVL	Tue, Feb 20, 2018	49.90	50.25	48.65	48.85
6482	NASDAQ	CRVL	Fri, Feb 16, 2018	49.75	50.50	49.75	50.30
6481	NASDAQ	CRVL	Thu, Feb 15, 2018	49.80	50.30	48.95	49.95
6480	NASDAQ	CRVL	Wed, Feb 14, 2018	49.30	49.95	48.65	49.20
6479	NASDAQ	CRVL	Tue, Feb 13, 2018	48.90	50.45	48.50	49.90
6478	NASDAQ	CRVL	Mon, Feb 12, 2018	50.35	50.35	49.25	49.40
6477	NASDAQ	CRVL	Fri, Feb 9, 2018	49.45	50.75	48.35	50.20
6476	NASDAQ	CRVL	Thu, Feb 8, 2018	51.30	51.30	48.80	48.80
6475	NASDAQ	CRVL	Wed, Feb 7, 2018	51.65	51.80	50.55	51.25
6474	NASDAQ	CRVL	Tue, Feb 6, 2018	49.85	52.35	49.05	52.15
6473	NASDAQ	CRVL	Mon, Feb 5, 2018	50.60	51.95	49.35	50.90
6472	NASDAQ	CRVL	Fri, Feb 2, 2018	52.95	53.17	51.05	51.40
6471	NASDAQ	CRVL	Thu, Feb 1, 2018	51.50	53.50	51.10	53.40
6470	NASDAQ	CRVL	Wed, Jan 31, 2018	54.95	55.55	51.58	51.65
6469	NASDAQ	CRVL	Tue, Jan 30, 2018	54.30	56.60	53.20	54.45
6468	NASDAQ	CRVL	Mon, Jan 29, 2018	53.65	54.65	53.20	53.70
6467	NASDAQ	CRVL	Fri, Jan 26, 2018	53.50	53.60	51.85	53.60
6466	NASDAQ	CRVL	Thu, Jan 25, 2018	50.05	53.60	49.60	53.30
6465	NASDAQ	CRVL	Wed, Jan 24, 2018	51.50	51.89	49.60	49.80
6464	NASDAQ	CRVL	Tue, Jan 23, 2018	50.65	51.40	50.20	51.20
6463	NASDAQ	CRVL	Mon, Jan 22, 2018	51.05	51.05	49.90	50.80
6462	NASDAQ	CRVL	Fri, Jan 19, 2018	49.45	51.45	49.40	51.30
6461	NASDAQ	CRVL	Thu, Jan 18, 2018	50.45	50.60	49.25	49.45
6460	NASDAQ	CRVL	Wed, Jan 17, 2018	50.05	50.90	49.75	50.40
6459	NASDAQ	CRVL	Tue, Jan 16, 2018	51.90	52.90	49.90	49.90
6458	NASDAQ	CRVL	Fri, Jan 12, 2018	51.90	51.90	50.65	51.80
6457	NASDAQ	CRVL	Thu, Jan 11, 2018	50.35	52.40	50.35	52.10
6456	NASDAQ	CRVL	Wed, Jan 10, 2018	49.90	50.30	49.41	50.00
6455	NASDAQ	CRVL	Tue, Jan 9, 2018	49.75	51.15	49.70	50.05
6454	NASDAQ	CRVL	Mon, Jan 8, 2018	51.50	51.50	49.45	49.60
6453	NASDAQ	CRVL	Fri, Jan 5, 2018	51.10	51.70	50.66	51.70
6452	NASDAQ	CRVL	Thu, Jan 4, 2018	51.75	51.75	51.05	51.05
6451	NASDAQ	CRVL	Wed, Jan 3, 2018	51.30	52.00	50.70	51.65
6450	NASDAQ	CRVL	Tue, Jan 2, 2018	52.95	53.65	51.30	51.45
6449	NASDAQ	CRVL	Fri, Dec 29, 2017	53.55	53.85	52.85	52.90
6448	NASDAQ	CRVL	Thu, Dec 28, 2017	53.55	53.55	52.01	53.50
6447	NASDAQ	CRVL	Wed, Dec 27, 2017	54.35	54.70	53.35	53.55
6446	NASDAQ	CRVL	Tue, Dec 26, 2017	54.75	54.85	54.05	54.20
6445	NASDAQ	CRVL	Fri, Dec 22, 2017	54.65	56.10	54.45	54.50
6444	NASDAQ	CRVL	Thu, Dec 21, 2017	55.15	55.60	54.40	54.70
6443	NASDAQ	CRVL	Wed, Dec 20, 2017	54.85	55.78	54.40	55.00
6442	NASDAQ	CRVL	Tue, Dec 19, 2017	54.70	56.30	54.45	54.50
6441	NASDAQ	CRVL	Mon, Dec 18, 2017	57.60	57.80	54.00	54.40
6440	NASDAQ	CRVL	Fri, Dec 15, 2017	55.80	57.70	55.63	57.35
6439	NASDAQ	CRVL	Thu, Dec 14, 2017	56.10	57.10	55.45	55.70
6438	NASDAQ	CRVL	Wed, Dec 13, 2017	55.95	57.26	55.95	56.15
6437	NASDAQ	CRVL	Tue, Dec 12, 2017	55.95	56.50	55.70	55.85
6436	NASDAQ	CRVL	Mon, Dec 11, 2017	55.25	56.15	55.20	55.95
6435	NASDAQ	CRVL	Fri, Dec 8, 2017	56.00	56.15	54.95	54.95
6434	NASDAQ	CRVL	Thu, Dec 7, 2017	55.75	56.90	55.45	55.80
6433	NASDAQ	CRVL	Wed, Dec 6, 2017	54.95	56.90	54.95	55.85
6432	NASDAQ	CRVL	Tue, Dec 5, 2017	54.80	55.91	54.25	55.00
6431	NASDAQ	CRVL	Mon, Dec 4, 2017	55.40	56.41	54.60	54.75
6430	NASDAQ	CRVL	Fri, Dec 1, 2017	55.30	55.50	52.75	54.85
6429	NASDAQ	CRVL	Thu, Nov 30, 2017	58.35	58.46	55.00	55.25
6428	NASDAQ	CRVL	Wed, Nov 29, 2017	57.20	58.85	57.15	58.15
6427	NASDAQ	CRVL	Tue, Nov 28, 2017	55.95	57.80	55.95	57.40
6426	NASDAQ	CRVL	Mon, Nov 27, 2017	55.35	56.05	55.35	55.90
6425	NASDAQ	CRVL	Fri, Nov 24, 2017	55.70	56.00	55.10	55.25
6424	NASDAQ	CRVL	Wed, Nov 22, 2017	55.40	55.70	55.00	55.65
6423	NASDAQ	CRVL	Tue, Nov 21, 2017	54.60	55.70	54.35	55.45
6422	NASDAQ	CRVL	Mon, Nov 20, 2017	53.80	54.90	53.20	54.30
6421	NASDAQ	CRVL	Fri, Nov 17, 2017	54.10	54.85	53.60	53.75
6420	NASDAQ	CRVL	Thu, Nov 16, 2017	53.05	55.05	53.05	54.55
6419	NASDAQ	CRVL	Wed, Nov 15, 2017	52.30	55.40	52.30	52.80
6418	NASDAQ	CRVL	Tue, Nov 14, 2017	52.70	53.45	51.80	52.95
6417	NASDAQ	CRVL	Mon, Nov 13, 2017	54.85	55.00	53.20	53.85
6416	NASDAQ	CRVL	Fri, Nov 10, 2017	55.70	56.05	54.55	55.25
6415	NASDAQ	CRVL	Thu, Nov 9, 2017	55.20	55.90	52.95	55.55
6414	NASDAQ	CRVL	Wed, Nov 8, 2017	55.35	56.15	54.75	55.65
6413	NASDAQ	CRVL	Tue, Nov 7, 2017	57.95	57.95	55.20	55.60
6412	NASDAQ	CRVL	Mon, Nov 6, 2017	57.50	58.20	55.65	58.00
6411	NASDAQ	CRVL	Fri, Nov 3, 2017	57.70	58.10	55.86	57.45
6410	NASDAQ	CRVL	Thu, Nov 2, 2017	56.30	58.20	55.25	57.75
6409	NASDAQ	CRVL	Wed, Nov 1, 2017	60.55	60.55	56.25	56.35
6408	NASDAQ	CRVL	Tue, Oct 31, 2017	59.40	61.20	59.10	60.00
6407	NASDAQ	CRVL	Mon, Oct 30, 2017	59.95	60.35	57.90	58.55
6406	NASDAQ	CRVL	Fri, Oct 27, 2017	59.50	60.75	59.35	60.10
6405	NASDAQ	CRVL	Thu, Oct 26, 2017	59.65	60.28	59.30	59.45
6404	NASDAQ	CRVL	Wed, Oct 25, 2017	59.60	59.80	58.80	59.60
6403	NASDAQ	CRVL	Tue, Oct 24, 2017	60.40	60.85	58.60	59.60
6402	NASDAQ	CRVL	Mon, Oct 23, 2017	60.00	60.85	60.00	60.30
6401	NASDAQ	CRVL	Fri, Oct 20, 2017	60.85	60.85	59.55	59.95
6400	NASDAQ	CRVL	Thu, Oct 19, 2017	59.30	60.40	58.80	60.30
6399	NASDAQ	CRVL	Wed, Oct 18, 2017	58.90	59.90	58.90	59.35
6398	NASDAQ	CRVL	Tue, Oct 17, 2017	59.15	59.60	58.65	58.90
6397	NASDAQ	CRVL	Mon, Oct 16, 2017	59.05	59.50	58.70	59.15
6396	NASDAQ	CRVL	Fri, Oct 13, 2017	59.10	59.90	58.68	58.70
6395	NASDAQ	CRVL	Thu, Oct 12, 2017	58.20	59.55	58.20	59.30
6394	NASDAQ	CRVL	Wed, Oct 11, 2017	58.30	58.95	57.75	58.20
6393	NASDAQ	CRVL	Tue, Oct 10, 2017	58.05	58.70	57.10	57.75
6392	NASDAQ	CRVL	Mon, Oct 9, 2017	56.20	57.68	56.20	57.50
6391	NASDAQ	CRVL	Fri, Oct 6, 2017	58.75	59.00	55.65	56.20
6390	NASDAQ	CRVL	Thu, Oct 5, 2017	58.50	59.55	58.50	58.65
6389	NASDAQ	CRVL	Wed, Oct 4, 2017	58.05	59.60	58.05	58.70
6388	NASDAQ	CRVL	Tue, Oct 3, 2017	57.15	58.05	55.84	57.95
6387	NASDAQ	CRVL	Mon, Oct 2, 2017	54.60	57.35	54.60	57.30
6386	NASDAQ	CRVL	Fri, Sep 29, 2017	54.15	54.75	53.95	54.40
6385	NASDAQ	CRVL	Thu, Sep 28, 2017	54.70	55.95	54.70	55.30
6384	NASDAQ	CRVL	Wed, Sep 27, 2017	53.15	55.00	53.15	54.95
6383	NASDAQ	CRVL	Tue, Sep 26, 2017	53.00	53.70	52.28	53.05
6382	NASDAQ	CRVL	Mon, Sep 25, 2017	52.85	53.32	52.55	52.90
6381	NASDAQ	CRVL	Fri, Sep 22, 2017	52.25	53.40	52.25	53.20
6380	NASDAQ	CRVL	Thu, Sep 21, 2017	51.50	52.70	51.00	52.30
6379	NASDAQ	CRVL	Wed, Sep 20, 2017	51.00	51.95	51.00	51.65
6378	NASDAQ	CRVL	Tue, Sep 19, 2017	52.00	52.05	50.65	50.80
6377	NASDAQ	CRVL	Mon, Sep 18, 2017	51.75	52.60	51.58	52.00
6376	NASDAQ	CRVL	Fri, Sep 15, 2017	51.70	52.10	51.15	51.45
6375	NASDAQ	CRVL	Thu, Sep 14, 2017	49.10	51.60	49.10	51.55
6374	NASDAQ	CRVL	Wed, Sep 13, 2017	50.70	51.50	50.65	51.05
6373	NASDAQ	CRVL	Tue, Sep 12, 2017	51.00	51.35	50.75	51.00
6372	NASDAQ	CRVL	Mon, Sep 11, 2017	51.05	51.30	50.85	51.00
6371	NASDAQ	CRVL	Fri, Sep 8, 2017	50.10	51.00	49.55	50.85
6370	NASDAQ	CRVL	Thu, Sep 7, 2017	50.65	51.10	49.75	50.05
6369	NASDAQ	CRVL	Wed, Sep 6, 2017	51.20	51.30	49.91	50.70
6368	NASDAQ	CRVL	Tue, Sep 5, 2017	52.05	52.23	51.00	51.10
6367	NASDAQ	CRVL	Fri, Sep 1, 2017	52.25	52.60	51.85	52.30
6366	NASDAQ	CRVL	Thu, Aug 31, 2017	51.15	52.30	51.00	51.90
6365	NASDAQ	CRVL	Wed, Aug 30, 2017	50.95	51.22	50.80	50.80
6364	NASDAQ	CRVL	Tue, Aug 29, 2017	50.45	51.35	50.30	51.20
6363	NASDAQ	CRVL	Mon, Aug 28, 2017	50.60	50.95	49.95	50.85
6362	NASDAQ	CRVL	Fri, Aug 25, 2017	50.30	50.65	50.10	50.60
6361	NASDAQ	CRVL	Thu, Aug 24, 2017	51.30	51.30	49.85	49.90
6360	NASDAQ	CRVL	Wed, Aug 23, 2017	50.75	51.40	50.75	51.25
6359	NASDAQ	CRVL	Tue, Aug 22, 2017	51.25	51.50	51.20	51.20
6358	NASDAQ	CRVL	Mon, Aug 21, 2017	50.60	51.70	50.50	51.25
6357	NASDAQ	CRVL	Fri, Aug 18, 2017	50.45	51.65	49.90	51.10
6356	NASDAQ	CRVL	Thu, Aug 17, 2017	50.10	51.28	48.55	51.10
6355	NASDAQ	CRVL	Wed, Aug 16, 2017	50.16	51.00	50.15	50.45
6354	NASDAQ	CRVL	Tue, Aug 15, 2017	49.90	50.45	49.75	50.20
6353	NASDAQ	CRVL	Mon, Aug 14, 2017	48.90	50.10	48.55	50.10
6352	NASDAQ	CRVL	Fri, Aug 11, 2017	48.85	48.85	48.05	48.35
6351	NASDAQ	CRVL	Thu, Aug 10, 2017	49.10	49.30	48.45	48.80
6350	NASDAQ	CRVL	Wed, Aug 9, 2017	48.60	49.60	48.60	49.50
6349	NASDAQ	CRVL	Tue, Aug 8, 2017	48.20	49.95	48.20	49.05
6348	NASDAQ	CRVL	Mon, Aug 7, 2017	49.40	49.50	48.50	49.10
6347	NASDAQ	CRVL	Fri, Aug 4, 2017	48.19	49.95	48.05	49.75
6346	NASDAQ	CRVL	Thu, Aug 3, 2017	48.25	48.69	45.01	48.35
6345	NASDAQ	CRVL	Wed, Aug 2, 2017	48.15	49.05	47.85	48.40
6344	NASDAQ	CRVL	Tue, Aug 1, 2017	47.55	48.25	46.50	47.90
6343	NASDAQ	CRVL	Mon, Jul 31, 2017	48.05	48.60	47.50	47.55
6342	NASDAQ	CRVL	Fri, Jul 28, 2017	48.20	48.55	47.90	48.10
6341	NASDAQ	CRVL	Thu, Jul 27, 2017	48.25	48.75	47.35	48.30
6340	NASDAQ	CRVL	Wed, Jul 26, 2017	48.25	48.70	47.14	48.20
6339	NASDAQ	CRVL	Tue, Jul 25, 2017	47.90	48.40	47.83	48.20
6338	NASDAQ	CRVL	Mon, Jul 24, 2017	47.75	47.90	47.25	47.80
6337	NASDAQ	CRVL	Fri, Jul 21, 2017	48.35	48.35	47.25	47.75
6336	NASDAQ	CRVL	Thu, Jul 20, 2017	48.25	48.40	47.90	48.20
6335	NASDAQ	CRVL	Wed, Jul 19, 2017	49.00	49.20	47.90	48.30
6334	NASDAQ	CRVL	Tue, Jul 18, 2017	48.20	49.35	47.85	49.00
6333	NASDAQ	CRVL	Mon, Jul 17, 2017	48.15	48.40	47.90	48.30
6332	NASDAQ	CRVL	Fri, Jul 14, 2017	47.70	48.45	47.70	48.20
6331	NASDAQ	CRVL	Thu, Jul 13, 2017	48.30	48.30	47.30	48.00
6330	NASDAQ	CRVL	Wed, Jul 12, 2017	47.75	48.45	47.75	48.35
6329	NASDAQ	CRVL	Tue, Jul 11, 2017	47.50	47.90	47.05	47.40
6328	NASDAQ	CRVL	Mon, Jul 10, 2017	47.75	48.00	46.85	47.30
6327	NASDAQ	CRVL	Fri, Jul 7, 2017	47.10	48.25	47.00	48.15
6326	NASDAQ	CRVL	Thu, Jul 6, 2017	47.80	47.80	47.10	47.15
6325	NASDAQ	CRVL	Wed, Jul 5, 2017	48.80	48.80	47.25	48.10
6324	NASDAQ	CRVL	Mon, Jul 3, 2017	47.60	48.70	47.10	48.55
6323	NASDAQ	CRVL	Fri, Jun 30, 2017	47.35	47.90	47.35	47.45
6322	NASDAQ	CRVL	Thu, Jun 29, 2017	48.40	48.40	46.90	47.30
6321	NASDAQ	CRVL	Wed, Jun 28, 2017	48.50	48.50	47.85	48.45
6320	NASDAQ	CRVL	Tue, Jun 27, 2017	48.10	48.50	47.90	48.35
6319	NASDAQ	CRVL	Mon, Jun 26, 2017	47.30	48.25	47.30	48.10
6318	NASDAQ	CRVL	Fri, Jun 23, 2017	44.81	48.00	44.81	47.40
6317	NASDAQ	CRVL	Thu, Jun 22, 2017	46.60	47.40	46.45	47.35
6316	NASDAQ	CRVL	Wed, Jun 21, 2017	46.15	47.05	46.15	46.55
6315	NASDAQ	CRVL	Tue, Jun 20, 2017	46.50	46.70	45.85	46.15
6314	NASDAQ	CRVL	Mon, Jun 19, 2017	45.70	47.30	45.70	46.90
6313	NASDAQ	CRVL	Fri, Jun 16, 2017	46.10	46.40	45.40	45.75
6312	NASDAQ	CRVL	Thu, Jun 15, 2017	46.50	47.15	46.05	46.65
6311	NASDAQ	CRVL	Wed, Jun 14, 2017	46.25	48.10	46.25	47.05
6310	NASDAQ	CRVL	Tue, Jun 13, 2017	48.00	48.00	47.25	47.60
6309	NASDAQ	CRVL	Mon, Jun 12, 2017	48.50	49.13	47.70	47.95
6308	NASDAQ	CRVL	Fri, Jun 9, 2017	47.75	48.95	47.55	48.50
6307	NASDAQ	CRVL	Thu, Jun 8, 2017	46.40	47.75	46.40	47.70
6306	NASDAQ	CRVL	Wed, Jun 7, 2017	47.00	47.65	46.60	47.05
6305	NASDAQ	CRVL	Tue, Jun 6, 2017	46.95	48.20	46.80	46.95
6304	NASDAQ	CRVL	Mon, Jun 5, 2017	45.65	49.50	45.16	47.05
6303	NASDAQ	CRVL	Fri, Jun 2, 2017	47.90	49.05	47.70	48.45
6302	NASDAQ	CRVL	Thu, Jun 1, 2017	47.10	48.45	47.01	47.75
6301	NASDAQ	CRVL	Wed, May 31, 2017	47.00	47.60	46.20	46.60
6300	NASDAQ	CRVL	Tue, May 30, 2017	46.60	47.45	46.60	46.80
6299	NASDAQ	CRVL	Fri, May 26, 2017	47.00	47.30	46.25	46.75
6298	NASDAQ	CRVL	Thu, May 25, 2017	46.75	47.30	45.55	46.75
6297	NASDAQ	CRVL	Wed, May 24, 2017	45.65	47.04	45.65	46.65
6296	NASDAQ	CRVL	Tue, May 23, 2017	45.60	45.80	45.25	45.50
6295	NASDAQ	CRVL	Mon, May 22, 2017	45.25	45.80	45.20	45.45
6294	NASDAQ	CRVL	Fri, May 19, 2017	45.45	46.10	44.90	44.95
6293	NASDAQ	CRVL	Thu, May 18, 2017	45.30	46.20	45.25	45.45
6292	NASDAQ	CRVL	Wed, May 17, 2017	44.95	45.95	44.95	45.70
6291	NASDAQ	CRVL	Tue, May 16, 2017	47.40	47.40	45.45	45.65
6290	NASDAQ	CRVL	Mon, May 15, 2017	46.45	47.50	46.45	47.30
6289	NASDAQ	CRVL	Fri, May 12, 2017	46.30	47.05	45.85	46.40
6288	NASDAQ	CRVL	Thu, May 11, 2017	45.70	46.70	45.30	46.55
6287	NASDAQ	CRVL	Wed, May 10, 2017	46.05	46.55	45.50	45.95
6286	NASDAQ	CRVL	Tue, May 9, 2017	46.00	46.45	45.75	46.35
6285	NASDAQ	CRVL	Mon, May 8, 2017	45.55	46.15	45.05	46.10
6284	NASDAQ	CRVL	Fri, May 5, 2017	45.65	45.85	45.45	45.55
6283	NASDAQ	CRVL	Thu, May 4, 2017	44.93	45.90	44.80	45.90
6282	NASDAQ	CRVL	Wed, May 3, 2017	44.90	45.55	44.75	44.75
6281	NASDAQ	CRVL	Tue, May 2, 2017	44.80	45.43	44.80	45.20
6280	NASDAQ	CRVL	Mon, May 1, 2017	44.60	45.30	44.35	45.15
6279	NASDAQ	CRVL	Fri, Apr 28, 2017	43.91	44.75	43.91	44.50
6278	NASDAQ	CRVL	Thu, Apr 27, 2017	43.50	44.35	43.50	44.10
6277	NASDAQ	CRVL	Wed, Apr 26, 2017	43.85	44.80	43.25	43.50
6276	NASDAQ	CRVL	Tue, Apr 25, 2017	43.30	44.25	43.10	44.00
6275	NASDAQ	CRVL	Mon, Apr 24, 2017	43.20	43.60	42.80	42.90
6274	NASDAQ	CRVL	Fri, Apr 21, 2017	43.20	43.35	42.55	42.60
6273	NASDAQ	CRVL	Thu, Apr 20, 2017	43.13	43.50	42.85	43.40
6272	NASDAQ	CRVL	Wed, Apr 19, 2017	42.75	43.30	42.75	42.95
6271	NASDAQ	CRVL	Tue, Apr 18, 2017	42.00	43.15	41.96	42.65
6270	NASDAQ	CRVL	Mon, Apr 17, 2017	41.20	42.15	41.20	42.05
6269	NASDAQ	CRVL	Thu, Apr 13, 2017	42.05	42.10	41.10	41.30
6268	NASDAQ	CRVL	Wed, Apr 12, 2017	42.30	42.30	41.35	42.10
6267	NASDAQ	CRVL	Tue, Apr 11, 2017	41.55	42.70	41.55	42.40
6266	NASDAQ	CRVL	Mon, Apr 10, 2017	41.90	42.50	41.70	41.85
6265	NASDAQ	CRVL	Fri, Apr 7, 2017	41.10	42.05	41.00	41.90
6264	NASDAQ	CRVL	Thu, Apr 6, 2017	41.35	41.85	40.70	41.50
6263	NASDAQ	CRVL	Wed, Apr 5, 2017	41.45	42.25	41.25	41.40
6262	NASDAQ	CRVL	Tue, Apr 4, 2017	41.20	41.55	41.00	41.30
6261	NASDAQ	CRVL	Mon, Apr 3, 2017	43.50	43.50	41.10	41.35
6260	NASDAQ	CRVL	Fri, Mar 31, 2017	43.35	43.75	43.05	43.50
6259	NASDAQ	CRVL	Thu, Mar 30, 2017	42.25	43.30	41.90	43.25
6258	NASDAQ	CRVL	Wed, Mar 29, 2017	41.70	42.63	41.45	42.15
6257	NASDAQ	CRVL	Tue, Mar 28, 2017	41.00	41.95	40.95	41.95
6256	NASDAQ	CRVL	Mon, Mar 27, 2017	40.00	41.30	40.00	41.20
6255	NASDAQ	CRVL	Fri, Mar 24, 2017	40.60	41.35	40.48	40.65
6254	NASDAQ	CRVL	Thu, Mar 23, 2017	40.15	41.15	40.15	40.50
6253	NASDAQ	CRVL	Wed, Mar 22, 2017	40.80	40.80	39.80	40.10
6252	NASDAQ	CRVL	Tue, Mar 21, 2017	41.85	41.85	40.60	40.65
6251	NASDAQ	CRVL	Mon, Mar 20, 2017	40.95	41.75	40.95	41.60
6250	NASDAQ	CRVL	Fri, Mar 17, 2017	40.40	41.20	40.40	41.05
6249	NASDAQ	CRVL	Thu, Mar 16, 2017	41.25	41.60	40.35	40.55
6248	NASDAQ	CRVL	Wed, Mar 15, 2017	41.30	41.55	41.05	41.10
6247	NASDAQ	CRVL	Tue, Mar 14, 2017	40.45	41.45	40.30	41.25
6246	NASDAQ	CRVL	Mon, Mar 13, 2017	40.95	41.15	40.75	40.85
6245	NASDAQ	CRVL	Fri, Mar 10, 2017	40.65	41.05	40.00	41.05
6244	NASDAQ	CRVL	Thu, Mar 9, 2017	39.80	40.25	39.80	40.10
6243	NASDAQ	CRVL	Wed, Mar 8, 2017	40.65	40.75	39.60	39.65
6242	NASDAQ	CRVL	Tue, Mar 7, 2017	40.85	41.09	40.35	40.40
6241	NASDAQ	CRVL	Mon, Mar 6, 2017	40.75	41.20	40.30	40.95
6240	NASDAQ	CRVL	Fri, Mar 3, 2017	40.90	41.05	40.70	40.95
6239	NASDAQ	CRVL	Thu, Mar 2, 2017	41.70	41.75	40.75	40.75
6238	NASDAQ	CRVL	Wed, Mar 1, 2017	40.90	42.00	40.75	41.90
6237	NASDAQ	CRVL	Tue, Feb 28, 2017	41.35	41.35	40.30	40.40
6236	NASDAQ	CRVL	Mon, Feb 27, 2017	41.10	41.85	41.10	41.55
6235	NASDAQ	CRVL	Fri, Feb 24, 2017	40.50	41.50	40.50	41.00
6234	NASDAQ	CRVL	Thu, Feb 23, 2017	39.75	40.85	39.75	40.50
6233	NASDAQ	CRVL	Wed, Feb 22, 2017	39.70	40.25	39.65	40.05
6232	NASDAQ	CRVL	Tue, Feb 21, 2017	40.85	40.85	39.70	39.75
6231	NASDAQ	CRVL	Fri, Feb 17, 2017	40.25	41.25	40.20	40.60
6230	NASDAQ	CRVL	Thu, Feb 16, 2017	40.30	40.50	39.95	40.30
6229	NASDAQ	CRVL	Wed, Feb 15, 2017	39.35	40.55	39.35	40.40
6228	NASDAQ	CRVL	Tue, Feb 14, 2017	39.50	39.95	39.20	39.45
6227	NASDAQ	CRVL	Mon, Feb 13, 2017	40.50	40.50	39.50	39.65
6226	NASDAQ	CRVL	Fri, Feb 10, 2017	40.15	40.50	40.05	40.20
6225	NASDAQ	CRVL	Thu, Feb 9, 2017	39.40	40.75	39.40	40.20
6224	NASDAQ	CRVL	Wed, Feb 8, 2017	38.80	39.80	38.75	39.60
6223	NASDAQ	CRVL	Tue, Feb 7, 2017	38.85	39.30	38.25	38.70
6222	NASDAQ	CRVL	Mon, Feb 6, 2017	38.88	39.30	38.75	38.80
6221	NASDAQ	CRVL	Fri, Feb 3, 2017	38.65	39.15	38.50	39.15
6220	NASDAQ	CRVL	Thu, Feb 2, 2017	38.45	39.15	38.00	38.70
6219	NASDAQ	CRVL	Wed, Feb 1, 2017	38.65	38.80	38.15	38.60
6218	NASDAQ	CRVL	Tue, Jan 31, 2017	37.41	39.65	37.41	38.35
6217	NASDAQ	CRVL	Mon, Jan 30, 2017	37.90	37.90	37.20	37.60
6216	NASDAQ	CRVL	Fri, Jan 27, 2017	38.10	38.60	37.65	38.05
6215	NASDAQ	CRVL	Thu, Jan 26, 2017	38.75	38.75	37.65	37.70
6214	NASDAQ	CRVL	Wed, Jan 25, 2017	37.95	38.35	37.73	38.35
6213	NASDAQ	CRVL	Tue, Jan 24, 2017	36.98	37.70	36.60	37.65
6212	NASDAQ	CRVL	Mon, Jan 23, 2017	36.45	36.80	36.20	36.80
6211	NASDAQ	CRVL	Fri, Jan 20, 2017	36.55	37.05	36.45	36.55
6210	NASDAQ	CRVL	Thu, Jan 19, 2017	36.95	36.95	36.00	36.55
6209	NASDAQ	CRVL	Wed, Jan 18, 2017	37.50	37.50	36.35	37.00
6208	NASDAQ	CRVL	Tue, Jan 17, 2017	37.00	37.50	36.60	37.30
6207	NASDAQ	CRVL	Fri, Jan 13, 2017	36.90	37.50	36.85	37.00
6206	NASDAQ	CRVL	Thu, Jan 12, 2017	37.40	37.50	36.50	36.70
6205	NASDAQ	CRVL	Wed, Jan 11, 2017	37.05	37.50	36.70	37.45
6204	NASDAQ	CRVL	Tue, Jan 10, 2017	36.90	37.33	36.90	37.00
6203	NASDAQ	CRVL	Mon, Jan 9, 2017	37.20	37.37	36.70	36.85
6202	NASDAQ	CRVL	Fri, Jan 6, 2017	37.65	37.65	37.15	37.30
6201	NASDAQ	CRVL	Thu, Jan 5, 2017	38.00	38.30	37.15	37.55
6200	NASDAQ	CRVL	Wed, Jan 4, 2017	37.30	38.60	37.30	37.95
6199	NASDAQ	CRVL	Tue, Jan 3, 2017	36.85	37.45	36.40	37.30
6198	NASDAQ	CRVL	Fri, Dec 30, 2016	36.70	36.83	36.35	36.60
6197	NASDAQ	CRVL	Thu, Dec 29, 2016	36.45	37.05	36.15	36.55
6196	NASDAQ	CRVL	Wed, Dec 28, 2016	35.85	36.05	35.50	35.90
6195	NASDAQ	CRVL	Tue, Dec 27, 2016	35.95	36.05	35.55	35.70
6194	NASDAQ	CRVL	Fri, Dec 23, 2016	35.65	35.85	35.40	35.80
6193	NASDAQ	CRVL	Thu, Dec 22, 2016	35.05	35.50	34.90	35.50
6192	NASDAQ	CRVL	Wed, Dec 21, 2016	35.65	36.00	34.95	35.05
6191	NASDAQ	CRVL	Tue, Dec 20, 2016	35.90	36.05	35.40	35.80
6190	NASDAQ	CRVL	Mon, Dec 19, 2016	35.45	36.25	35.45	35.75
6189	NASDAQ	CRVL	Fri, Dec 16, 2016	36.00	36.10	35.40	36.00
6188	NASDAQ	CRVL	Thu, Dec 15, 2016	35.10	36.00	34.80	35.95
6187	NASDAQ	CRVL	Wed, Dec 14, 2016	35.05	35.30	34.75	35.10
6186	NASDAQ	CRVL	Tue, Dec 13, 2016	34.65	35.60	34.60	35.10
6185	NASDAQ	CRVL	Mon, Dec 12, 2016	34.90	34.90	34.30	34.45
6184	NASDAQ	CRVL	Fri, Dec 9, 2016	34.70	35.55	34.65	34.70
6183	NASDAQ	CRVL	Thu, Dec 8, 2016	34.25	35.45	34.00	34.60
6182	NASDAQ	CRVL	Wed, Dec 7, 2016	33.95	34.55	33.85	34.05
6181	NASDAQ	CRVL	Tue, Dec 6, 2016	33.15	34.20	33.10	33.70
6180	NASDAQ	CRVL	Mon, Dec 5, 2016	31.90	32.95	31.00	32.90
6179	NASDAQ	CRVL	Fri, Dec 2, 2016	31.80	31.95	31.65	31.70
6178	NASDAQ	CRVL	Thu, Dec 1, 2016	32.30	32.60	31.48	31.70
6177	NASDAQ	CRVL	Wed, Nov 30, 2016	32.80	32.85	32.20	32.20
6176	NASDAQ	CRVL	Tue, Nov 29, 2016	33.25	33.60	32.65	32.70
6175	NASDAQ	CRVL	Mon, Nov 28, 2016	33.20	33.75	33.05	33.15
6174	NASDAQ	CRVL	Fri, Nov 25, 2016	33.10	33.55	32.90	33.15
6173	NASDAQ	CRVL	Wed, Nov 23, 2016	33.15	33.30	32.90	33.00
6172	NASDAQ	CRVL	Tue, Nov 22, 2016	33.75	34.65	33.10	33.40
6171	NASDAQ	CRVL	Mon, Nov 21, 2016	34.40	34.40	33.30	33.63
6170	NASDAQ	CRVL	Fri, Nov 18, 2016	33.15	34.60	32.65	34.05
6169	NASDAQ	CRVL	Thu, Nov 17, 2016	32.25	33.40	32.25	33.15
6168	NASDAQ	CRVL	Wed, Nov 16, 2016	32.90	33.05	32.05	32.20
6167	NASDAQ	CRVL	Tue, Nov 15, 2016	33.10	33.55	32.85	32.85
6166	NASDAQ	CRVL	Mon, Nov 14, 2016	32.00	33.10	31.85	33.00
6165	NASDAQ	CRVL	Fri, Nov 11, 2016	32.05	32.05	31.85	32.00
6164	NASDAQ	CRVL	Thu, Nov 10, 2016	31.95	32.05	31.70	31.95
6163	NASDAQ	CRVL	Wed, Nov 9, 2016	32.00	32.00	31.15	31.70
6162	NASDAQ	CRVL	Tue, Nov 8, 2016	32.20	32.40	31.60	31.95
6161	NASDAQ	CRVL	Mon, Nov 7, 2016	32.70	32.70	31.95	32.00
6160	NASDAQ	CRVL	Fri, Nov 4, 2016	32.25	32.75	31.75	31.80
6159	NASDAQ	CRVL	Thu, Nov 3, 2016	31.95	32.45	31.60	32.10
6158	NASDAQ	CRVL	Wed, Nov 2, 2016	31.80	32.48	31.70	31.80
6157	NASDAQ	CRVL	Tue, Nov 1, 2016	34.25	34.55	31.90	32.10
6156	NASDAQ	CRVL	Mon, Oct 31, 2016	34.40	34.55	33.85	34.55
6155	NASDAQ	CRVL	Fri, Oct 28, 2016	33.42	34.46	33.42	33.78
6154	NASDAQ	CRVL	Thu, Oct 27, 2016	34.20	34.20	33.29	33.57
6153	NASDAQ	CRVL	Wed, Oct 26, 2016	34.09	34.55	33.35	33.96
6152	NASDAQ	CRVL	Tue, Oct 25, 2016	34.41	34.61	34.05	34.36
6151	NASDAQ	CRVL	Mon, Oct 24, 2016	34.75	34.75	34.30	34.37
6150	NASDAQ	CRVL	Fri, Oct 21, 2016	34.90	35.10	34.29	34.60
6149	NASDAQ	CRVL	Thu, Oct 20, 2016	35.33	35.50	35.06	35.16
6148	NASDAQ	CRVL	Wed, Oct 19, 2016	35.36	35.60	35.17	35.22
6147	NASDAQ	CRVL	Tue, Oct 18, 2016	35.46	36.31	35.42	35.49
6146	NASDAQ	CRVL	Mon, Oct 17, 2016	35.81	35.88	35.07	35.15
6145	NASDAQ	CRVL	Fri, Oct 14, 2016	35.87	36.27	35.62	35.67
6144	NASDAQ	CRVL	Thu, Oct 13, 2016	35.69	36.13	35.26	35.57
6143	NASDAQ	CRVL	Wed, Oct 12, 2016	35.92	36.69	35.58	35.75
6142	NASDAQ	CRVL	Tue, Oct 11, 2016	37.62	37.97	35.62	35.76
6141	NASDAQ	CRVL	Mon, Oct 10, 2016	36.80	38.10	36.80	37.52
6140	NASDAQ	CRVL	Fri, Oct 7, 2016	36.39	36.95	36.25	36.83
6139	NASDAQ	CRVL	Thu, Oct 6, 2016	36.65	36.85	36.20	36.43
6138	NASDAQ	CRVL	Wed, Oct 5, 2016	38.27	38.29	36.59	36.78
6137	NASDAQ	CRVL	Tue, Oct 4, 2016	38.17	38.65	37.67	37.95
6136	NASDAQ	CRVL	Mon, Oct 3, 2016	38.38	38.39	37.21	38.23
6135	NASDAQ	CRVL	Fri, Sep 30, 2016	38.33	38.90	37.97	38.40
6134	NASDAQ	CRVL	Thu, Sep 29, 2016	40.49	40.49	38.15	38.17
6133	NASDAQ	CRVL	Wed, Sep 28, 2016	38.88	39.64	38.56	39.11
6132	NASDAQ	CRVL	Tue, Sep 27, 2016	39.00	39.43	38.60	38.89
6131	NASDAQ	CRVL	Mon, Sep 26, 2016	38.55	40.53	38.55	38.96
6130	NASDAQ	CRVL	Fri, Sep 23, 2016	39.51	40.19	38.87	39.80
6129	NASDAQ	CRVL	Thu, Sep 22, 2016	39.02	40.13	38.96	39.74
6128	NASDAQ	CRVL	Wed, Sep 21, 2016	38.03	39.49	38.03	39.42
6127	NASDAQ	CRVL	Tue, Sep 20, 2016	38.03	38.31	37.57	37.91
6126	NASDAQ	CRVL	Mon, Sep 19, 2016	38.03	38.37	37.80	37.95
6125	NASDAQ	CRVL	Fri, Sep 16, 2016	37.42	38.83	35.60	38.06
6124	NASDAQ	CRVL	Thu, Sep 15, 2016	37.12	37.73	36.93	37.31
6123	NASDAQ	CRVL	Wed, Sep 14, 2016	37.85	37.89	37.01	37.06
6122	NASDAQ	CRVL	Tue, Sep 13, 2016	38.27	38.53	37.10	37.87
6121	NASDAQ	CRVL	Mon, Sep 12, 2016	38.22	38.63	37.80	38.63
6120	NASDAQ	CRVL	Fri, Sep 9, 2016	38.27	38.84	37.91	37.91
6119	NASDAQ	CRVL	Thu, Sep 8, 2016	38.13	39.15	38.13	38.68
6118	NASDAQ	CRVL	Wed, Sep 7, 2016	38.51	39.90	38.23	38.73
6117	NASDAQ	CRVL	Tue, Sep 6, 2016	39.22	40.08	38.45	38.63
6116	NASDAQ	CRVL	Fri, Sep 2, 2016	38.12	38.89	38.08	38.81
6115	NASDAQ	CRVL	Thu, Sep 1, 2016	38.12	38.49	37.46	37.84
6114	NASDAQ	CRVL	Wed, Aug 31, 2016	39.06	39.06	37.88	38.44
6113	NASDAQ	CRVL	Tue, Aug 30, 2016	38.76	39.99	38.64	38.92
6112	NASDAQ	CRVL	Mon, Aug 29, 2016	38.10	39.27	38.08	38.90
6111	NASDAQ	CRVL	Fri, Aug 26, 2016	38.50	39.08	37.71	37.84
6110	NASDAQ	CRVL	Thu, Aug 25, 2016	37.30	39.10	37.30	38.50
6109	NASDAQ	CRVL	Wed, Aug 24, 2016	39.69	39.92	39.08	39.16
6108	NASDAQ	CRVL	Tue, Aug 23, 2016	39.59	40.39	39.59	39.72
6107	NASDAQ	CRVL	Mon, Aug 22, 2016	39.15	40.64	38.72	39.44
6106	NASDAQ	CRVL	Fri, Aug 19, 2016	40.46	40.46	39.29	39.40
6105	NASDAQ	CRVL	Thu, Aug 18, 2016	40.19	40.52	39.89	40.43
6104	NASDAQ	CRVL	Wed, Aug 17, 2016	40.75	41.73	40.02	40.26
6103	NASDAQ	CRVL	Tue, Aug 16, 2016	41.92	41.92	40.53	40.60
6102	NASDAQ	CRVL	Mon, Aug 15, 2016	41.69	42.65	41.68	42.16
6101	NASDAQ	CRVL	Fri, Aug 12, 2016	41.85	42.19	41.49	41.56
6100	NASDAQ	CRVL	Thu, Aug 11, 2016	41.80	42.29	41.57	41.66
6099	NASDAQ	CRVL	Wed, Aug 10, 2016	42.03	42.13	41.44	41.58
6098	NASDAQ	CRVL	Tue, Aug 9, 2016	42.37	42.48	41.82	42.10
6097	NASDAQ	CRVL	Mon, Aug 8, 2016	43.57	43.57	42.01	42.43
6096	NASDAQ	CRVL	Fri, Aug 5, 2016	43.68	45.23	42.79	43.35
6095	NASDAQ	CRVL	Thu, Aug 4, 2016	43.27	43.60	42.36	43.32
6094	NASDAQ	CRVL	Wed, Aug 3, 2016	43.19	43.93	41.83	43.26
6093	NASDAQ	CRVL	Tue, Aug 2, 2016	46.67	47.48	42.78	43.02
6092	NASDAQ	CRVL	Mon, Aug 1, 2016	45.22	46.98	45.12	46.88
6091	NASDAQ	CRVL	Fri, Jul 29, 2016	45.76	46.38	45.20	45.20
6090	NASDAQ	CRVL	Thu, Jul 28, 2016	45.96	46.31	45.43	45.68
6089	NASDAQ	CRVL	Wed, Jul 27, 2016	45.14	46.13	44.22	45.93
6088	NASDAQ	CRVL	Tue, Jul 26, 2016	45.70	45.70	44.70	45.09
6087	NASDAQ	CRVL	Mon, Jul 25, 2016	46.01	46.29	45.16	45.63
6086	NASDAQ	CRVL	Fri, Jul 22, 2016	46.38	46.89	45.96	46.20
6085	NASDAQ	CRVL	Thu, Jul 21, 2016	45.81	46.87	45.72	46.23
6084	NASDAQ	CRVL	Wed, Jul 20, 2016	46.18	46.61	45.75	45.98
6083	NASDAQ	CRVL	Tue, Jul 19, 2016	45.72	46.22	45.54	46.05
6082	NASDAQ	CRVL	Mon, Jul 18, 2016	46.33	46.41	45.44	45.85
6081	NASDAQ	CRVL	Fri, Jul 15, 2016	46.01	46.53	45.72	46.28
6080	NASDAQ	CRVL	Thu, Jul 14, 2016	46.38	46.55	45.55	45.64
6079	NASDAQ	CRVL	Wed, Jul 13, 2016	46.57	46.57	45.96	46.16
6078	NASDAQ	CRVL	Tue, Jul 12, 2016	46.37	46.75	45.83	46.16
6077	NASDAQ	CRVL	Mon, Jul 11, 2016	45.49	46.49	45.49	45.99
6076	NASDAQ	CRVL	Fri, Jul 8, 2016	44.26	45.79	44.26	45.35
6075	NASDAQ	CRVL	Thu, Jul 7, 2016	44.69	45.28	44.03	44.05
6074	NASDAQ	CRVL	Wed, Jul 6, 2016	43.99	45.15	43.48	44.53
6073	NASDAQ	CRVL	Tue, Jul 5, 2016	42.81	44.11	42.46	43.90
6072	NASDAQ	CRVL	Fri, Jul 1, 2016	43.34	43.53	42.56	43.06
6071	NASDAQ	CRVL	Thu, Jun 30, 2016	43.29	43.66	42.59	43.18
6070	NASDAQ	CRVL	Wed, Jun 29, 2016	43.50	44.27	42.78	43.07
6069	NASDAQ	CRVL	Tue, Jun 28, 2016	43.27	43.82	42.83	43.30
6068	NASDAQ	CRVL	Mon, Jun 27, 2016	42.71	43.73	42.35	42.83
6067	NASDAQ	CRVL	Fri, Jun 24, 2016	43.83	44.75	42.72	42.73
6066	NASDAQ	CRVL	Thu, Jun 23, 2016	44.48	45.78	44.48	45.21
6065	NASDAQ	CRVL	Wed, Jun 22, 2016	45.27	45.65	44.62	45.03
6064	NASDAQ	CRVL	Tue, Jun 21, 2016	46.62	46.83	45.06	45.14
6063	NASDAQ	CRVL	Mon, Jun 20, 2016	44.57	47.01	44.57	46.20
6062	NASDAQ	CRVL	Fri, Jun 17, 2016	46.74	46.74	44.26	44.34
6061	NASDAQ	CRVL	Thu, Jun 16, 2016	45.85	47.22	45.72	46.73
6060	NASDAQ	CRVL	Wed, Jun 15, 2016	45.22	46.20	44.92	45.98
6059	NASDAQ	CRVL	Tue, Jun 14, 2016	46.21	47.13	44.93	44.96
6058	NASDAQ	CRVL	Mon, Jun 13, 2016	46.36	46.59	45.85	46.00
6057	NASDAQ	CRVL	Fri, Jun 10, 2016	46.91	47.72	46.45	46.62
6056	NASDAQ	CRVL	Thu, Jun 9, 2016	48.81	48.81	46.95	47.15
6055	NASDAQ	CRVL	Wed, Jun 8, 2016	49.40	49.61	48.12	48.50
6054	NASDAQ	CRVL	Tue, Jun 7, 2016	49.73	49.73	48.83	48.99
6053	NASDAQ	CRVL	Mon, Jun 6, 2016	50.01	50.88	49.47	49.60
6052	NASDAQ	CRVL	Fri, Jun 3, 2016	51.71	53.19	51.03	51.62
6051	NASDAQ	CRVL	Thu, Jun 2, 2016	47.99	51.99	47.99	51.90
6050	NASDAQ	CRVL	Wed, Jun 1, 2016	48.12	48.40	47.44	47.70
6049	NASDAQ	CRVL	Tue, May 31, 2016	48.48	48.87	48.01	48.14
6048	NASDAQ	CRVL	Fri, May 27, 2016	47.98	48.54	47.29	48.21
6047	NASDAQ	CRVL	Thu, May 26, 2016	47.13	47.97	46.94	47.73
6046	NASDAQ	CRVL	Wed, May 25, 2016	47.44	47.79	47.16	47.43
6045	NASDAQ	CRVL	Tue, May 24, 2016	46.99	47.46	46.73	47.30
6044	NASDAQ	CRVL	Mon, May 23, 2016	46.95	47.12	46.19	46.63
6043	NASDAQ	CRVL	Fri, May 20, 2016	46.27	47.08	46.27	46.73
6042	NASDAQ	CRVL	Thu, May 19, 2016	45.79	47.10	45.60	46.02
6041	NASDAQ	CRVL	Wed, May 18, 2016	44.90	46.31	44.90	46.09
6040	NASDAQ	CRVL	Tue, May 17, 2016	46.27	46.27	44.61	44.99
6039	NASDAQ	CRVL	Mon, May 16, 2016	46.17	47.82	46.17	46.57
6038	NASDAQ	CRVL	Fri, May 13, 2016	45.46	46.36	45.11	46.05
6037	NASDAQ	CRVL	Thu, May 12, 2016	46.36	47.10	45.43	45.66
6036	NASDAQ	CRVL	Wed, May 11, 2016	47.44	48.41	46.38	46.75
6035	NASDAQ	CRVL	Tue, May 10, 2016	47.80	48.80	47.30	47.49
6034	NASDAQ	CRVL	Mon, May 9, 2016	45.88	47.71	45.88	47.39
6033	NASDAQ	CRVL	Fri, May 6, 2016	45.29	46.73	45.29	46.07
6032	NASDAQ	CRVL	Thu, May 5, 2016	45.62	46.00	45.35	45.73
6031	NASDAQ	CRVL	Wed, May 4, 2016	45.20	45.79	44.56	45.35
6030	NASDAQ	CRVL	Tue, May 3, 2016	45.67	45.72	44.74	45.26
6029	NASDAQ	CRVL	Mon, May 2, 2016	45.35	45.42	44.64	45.28
6028	NASDAQ	CRVL	Fri, Apr 29, 2016	44.63	45.50	43.59	45.20
6027	NASDAQ	CRVL	Thu, Apr 28, 2016	44.57	45.44	44.19	44.75
6026	NASDAQ	CRVL	Wed, Apr 27, 2016	44.21	45.04	44.21	44.90
6025	NASDAQ	CRVL	Tue, Apr 26, 2016	43.66	44.57	43.66	44.43
6024	NASDAQ	CRVL	Mon, Apr 25, 2016	44.36	44.36	43.33	43.94
6023	NASDAQ	CRVL	Fri, Apr 22, 2016	43.57	45.20	43.52	44.33
6022	NASDAQ	CRVL	Thu, Apr 21, 2016	44.11	44.86	43.40	43.78
6021	NASDAQ	CRVL	Wed, Apr 20, 2016	43.29	44.81	42.64	44.18
6020	NASDAQ	CRVL	Tue, Apr 19, 2016	42.94	43.48	42.59	43.32
6019	NASDAQ	CRVL	Mon, Apr 18, 2016	42.03	42.98	42.03	42.60
6018	NASDAQ	CRVL	Fri, Apr 15, 2016	41.05	42.43	41.05	42.04
6017	NASDAQ	CRVL	Thu, Apr 14, 2016	41.42	41.73	41.15	41.23
6016	NASDAQ	CRVL	Wed, Apr 13, 2016	41.27	42.04	41.08	41.30
6015	NASDAQ	CRVL	Tue, Apr 12, 2016	40.47	41.31	40.47	40.88
6014	NASDAQ	CRVL	Mon, Apr 11, 2016	40.96	41.92	40.12	40.18
6013	NASDAQ	CRVL	Fri, Apr 8, 2016	40.51	41.89	40.51	40.83
6012	NASDAQ	CRVL	Thu, Apr 7, 2016	40.78	42.16	40.73	41.28
6011	NASDAQ	CRVL	Wed, Apr 6, 2016	40.31	41.30	40.31	41.14
6010	NASDAQ	CRVL	Tue, Apr 5, 2016	40.84	40.84	40.84	40.15
6009	NASDAQ	CRVL	Mon, Apr 4, 2016	41.36	41.41	40.58	40.84
6008	NASDAQ	CRVL	Fri, Apr 1, 2016	39.64	41.45	38.86	41.20
6007	NASDAQ	CRVL	Thu, Mar 31, 2016	40.61	41.55	39.12	41.15
6006	NASDAQ	CRVL	Wed, Mar 30, 2016	41.95	42.00	41.09	41.15
6005	NASDAQ	CRVL	Tue, Mar 29, 2016	40.14	41.13	40.00	41.70
6004	NASDAQ	CRVL	Mon, Mar 28, 2016	40.39	40.65	40.03	40.33
6003	NASDAQ	CRVL	Thu, Mar 24, 2016	40.03	40.03	40.03	40.47
6002	NASDAQ	CRVL	Wed, Mar 23, 2016	40.34	41.05	39.96	40.03
6001	NASDAQ	CRVL	Tue, Mar 22, 2016	41.08	41.75	40.47	40.54
6000	NASDAQ	CRVL	Mon, Mar 21, 2016	41.01	42.17	40.72	41.34
5999	NASDAQ	CRVL	Fri, Mar 18, 2016	40.86	40.86	40.25	41.04
5998	NASDAQ	CRVL	Thu, Mar 17, 2016	39.80	40.96	39.30	40.60
5997	NASDAQ	CRVL	Wed, Mar 16, 2016	39.25	40.38	39.25	39.98
5996	NASDAQ	CRVL	Tue, Mar 15, 2016	39.85	39.85	39.85	39.45
5995	NASDAQ	CRVL	Mon, Mar 14, 2016	40.53	40.95	39.76	39.76
5994	NASDAQ	CRVL	Fri, Mar 11, 2016	40.28	41.89	40.28	40.71
5993	NASDAQ	CRVL	Thu, Mar 10, 2016	39.59	40.56	39.59	39.59
5992	NASDAQ	CRVL	Wed, Mar 9, 2016	39.60	39.60	39.60	39.59
5991	NASDAQ	CRVL	Tue, Mar 8, 2016	39.10	40.12	38.88	39.07
5990	NASDAQ	CRVL	Mon, Mar 7, 2016	39.73	40.12	38.64	39.07
5989	NASDAQ	CRVL	Fri, Mar 4, 2016	40.65	40.65	40.65	39.97
5988	NASDAQ	CRVL	Thu, Mar 3, 2016	41.08	41.08	41.08	40.65
5987	NASDAQ	CRVL	Wed, Mar 2, 2016	41.55	41.73	40.12	41.78
5986	NASDAQ	CRVL	Tue, Mar 1, 2016	41.49	41.49	41.49	41.78
5985	NASDAQ	CRVL	Mon, Feb 29, 2016	41.10	41.90	41.10	41.49
5984	NASDAQ	CRVL	Fri, Feb 26, 2016	42.13	42.13	42.13	41.39
5983	NASDAQ	CRVL	Thu, Feb 25, 2016	43.22	44.00	41.95	42.13
5982	NASDAQ	CRVL	Wed, Feb 24, 2016	42.44	43.40	42.18	42.94
5981	NASDAQ	CRVL	Tue, Feb 23, 2016	42.71	43.27	42.40	42.90
5980	NASDAQ	CRVL	Mon, Feb 22, 2016	43.83	44.53	42.61	42.71
5979	NASDAQ	CRVL	Fri, Feb 19, 2016	43.64	44.97	43.41	43.64
5978	NASDAQ	CRVL	Thu, Feb 18, 2016	43.99	44.65	43.41	43.53
5977	NASDAQ	CRVL	Wed, Feb 17, 2016	42.36	44.06	42.36	43.77
5976	NASDAQ	CRVL	Tue, Feb 16, 2016	42.52	43.66	41.52	42.76
5975	NASDAQ	CRVL	Fri, Feb 12, 2016	42.79	42.79	41.73	42.09
5974	NASDAQ	CRVL	Thu, Feb 11, 2016	42.40	43.35	41.96	42.76
5973	NASDAQ	CRVL	Wed, Feb 10, 2016	42.05	44.42	41.96	43.10
5972	NASDAQ	CRVL	Tue, Feb 9, 2016	42.24	45.00	41.70	41.88
5971	NASDAQ	CRVL	Mon, Feb 8, 2016	41.78	42.90	41.33	42.46
5970	NASDAQ	CRVL	Fri, Feb 5, 2016	43.14	43.24	41.82	41.88
5969	NASDAQ	CRVL	Thu, Feb 4, 2016	44.43	44.87	43.09	43.14
5968	NASDAQ	CRVL	Wed, Feb 3, 2016	46.24	46.24	43.17	44.78
5967	NASDAQ	CRVL	Tue, Feb 2, 2016	45.50	46.58	43.30	46.37
5966	NASDAQ	CRVL	Mon, Feb 1, 2016	45.50	46.92	45.23	45.85
5965	NASDAQ	CRVL	Fri, Jan 29, 2016	43.93	45.97	43.87	45.62
5964	NASDAQ	CRVL	Thu, Jan 28, 2016	43.88	43.99	42.98	43.47
5963	NASDAQ	CRVL	Wed, Jan 27, 2016	43.47	43.87	42.96	43.06
5962	NASDAQ	CRVL	Tue, Jan 26, 2016	42.95	44.99	42.04	43.56
5961	NASDAQ	CRVL	Mon, Jan 25, 2016	43.39	43.86	42.55	42.73
5960	NASDAQ	CRVL	Fri, Jan 22, 2016	43.00	44.65	43.00	43.40
5959	NASDAQ	CRVL	Thu, Jan 21, 2016	42.61	42.97	42.01	42.63
5958	NASDAQ	CRVL	Wed, Jan 20, 2016	42.24	43.14	41.43	42.34
5957	NASDAQ	CRVL	Tue, Jan 19, 2016	42.96	43.18	42.29	42.58
5956	NASDAQ	CRVL	Fri, Jan 15, 2016	42.15	42.85	41.55	42.55
5955	NASDAQ	CRVL	Thu, Jan 14, 2016	42.37	43.60	42.25	43.08
5954	NASDAQ	CRVL	Wed, Jan 13, 2016	43.00	43.86	42.12	42.23
5953	NASDAQ	CRVL	Tue, Jan 12, 2016	44.03	44.03	42.89	43.38
5952	NASDAQ	CRVL	Mon, Jan 11, 2016	42.83	44.54	42.83	43.52
5951	NASDAQ	CRVL	Fri, Jan 8, 2016	44.25	45.02	42.50	42.64
5950	NASDAQ	CRVL	Thu, Jan 7, 2016	43.25	44.94	42.93	44.35
5949	NASDAQ	CRVL	Wed, Jan 6, 2016	43.97	44.55	43.32	43.57
5948	NASDAQ	CRVL	Tue, Jan 5, 2016	43.67	44.72	43.55	44.29
5947	NASDAQ	CRVL	Mon, Jan 4, 2016	43.06	43.91	41.91	43.46
5946	NASDAQ	CRVL	Thu, Dec 31, 2015	45.00	45.41	43.62	43.92
5945	NASDAQ	CRVL	Wed, Dec 30, 2015	45.51	46.20	44.86	44.98
5944	NASDAQ	CRVL	Tue, Dec 29, 2015	44.94	45.35	44.66	45.23
5943	NASDAQ	CRVL	Mon, Dec 28, 2015	44.00	44.40	43.34	44.30
5942	NASDAQ	CRVL	Thu, Dec 24, 2015	42.44	44.54	42.42	44.03
5941	NASDAQ	CRVL	Wed, Dec 23, 2015	42.90	43.24	41.94	42.17
5940	NASDAQ	CRVL	Tue, Dec 22, 2015	42.27	42.90	41.89	42.58
5939	NASDAQ	CRVL	Mon, Dec 21, 2015	41.20	42.21	41.11	42.13
5938	NASDAQ	CRVL	Fri, Dec 18, 2015	40.40	41.53	39.96	41.33
5937	NASDAQ	CRVL	Thu, Dec 17, 2015	40.74	41.24	40.55	40.65
5936	NASDAQ	CRVL	Wed, Dec 16, 2015	39.85	40.96	39.14	40.52
5935	NASDAQ	CRVL	Tue, Dec 15, 2015	38.89	39.79	38.72	39.64
5934	NASDAQ	CRVL	Mon, Dec 14, 2015	37.83	38.85	37.60	38.67
5933	NASDAQ	CRVL	Fri, Dec 11, 2015	37.70	38.64	37.70	37.87
5932	NASDAQ	CRVL	Thu, Dec 10, 2015	38.32	38.66	37.98	38.20
5931	NASDAQ	CRVL	Wed, Dec 9, 2015	39.03	39.25	37.97	38.11
5930	NASDAQ	CRVL	Tue, Dec 8, 2015	39.25	39.25	38.76	39.06
5929	NASDAQ	CRVL	Mon, Dec 7, 2015	39.35	39.82	39.33	39.46
5928	NASDAQ	CRVL	Fri, Dec 4, 2015	38.92	39.79	38.86	39.58
5927	NASDAQ	CRVL	Thu, Dec 3, 2015	38.65	39.72	38.30	38.71
5926	NASDAQ	CRVL	Wed, Dec 2, 2015	35.90	39.22	35.90	38.73
5925	NASDAQ	CRVL	Tue, Dec 1, 2015	38.96	39.15	38.65	39.02
5924	NASDAQ	CRVL	Mon, Nov 30, 2015	39.50	39.87	38.64	38.75
5923	NASDAQ	CRVL	Fri, Nov 27, 2015	39.08	39.69	39.00	39.48
5922	NASDAQ	CRVL	Wed, Nov 25, 2015	39.12	39.53	38.87	38.97
5921	NASDAQ	CRVL	Tue, Nov 24, 2015	39.44	39.45	39.00	39.16
5920	NASDAQ	CRVL	Mon, Nov 23, 2015	39.01	39.67	38.94	39.54
5919	NASDAQ	CRVL	Fri, Nov 20, 2015	38.08	39.35	38.08	39.10
5918	NASDAQ	CRVL	Thu, Nov 19, 2015	37.76	38.03	37.62	37.83
5917	NASDAQ	CRVL	Wed, Nov 18, 2015	37.43	38.24	37.16	37.92
5916	NASDAQ	CRVL	Tue, Nov 17, 2015	36.86	37.55	36.41	37.06
5915	NASDAQ	CRVL	Mon, Nov 16, 2015	36.00	36.92	35.74	36.75
5914	NASDAQ	CRVL	Fri, Nov 13, 2015	35.09	36.47	35.09	36.06
5913	NASDAQ	CRVL	Thu, Nov 12, 2015	35.15	35.91	34.91	35.01
5912	NASDAQ	CRVL	Wed, Nov 11, 2015	32.86	36.37	32.86	35.50
5911	NASDAQ	CRVL	Tue, Nov 10, 2015	34.58	36.35	34.58	35.71
5910	NASDAQ	CRVL	Mon, Nov 9, 2015	35.08	35.29	34.78	34.96
5909	NASDAQ	CRVL	Fri, Nov 6, 2015	34.78	35.78	34.29	35.21
5908	NASDAQ	CRVL	Thu, Nov 5, 2015	34.05	34.90	34.03	34.78
5907	NASDAQ	CRVL	Wed, Nov 4, 2015	34.33	34.87	34.00	34.33
5906	NASDAQ	CRVL	Tue, Nov 3, 2015	33.65	36.88	33.65	34.33
5905	NASDAQ	CRVL	Mon, Nov 2, 2015	33.28	34.15	33.25	33.83
5904	NASDAQ	CRVL	Fri, Oct 30, 2015	33.10	33.60	32.84	33.20
5903	NASDAQ	CRVL	Thu, Oct 29, 2015	33.72	33.90	32.96	33.03
5902	NASDAQ	CRVL	Wed, Oct 28, 2015	33.06	33.96	32.91	33.72
5901	NASDAQ	CRVL	Tue, Oct 27, 2015	33.47	33.77	32.76	33.00
5900	NASDAQ	CRVL	Mon, Oct 26, 2015	33.71	34.00	33.20	33.52
5899	NASDAQ	CRVL	Fri, Oct 23, 2015	33.84	33.99	33.20	33.65
5898	NASDAQ	CRVL	Thu, Oct 22, 2015	33.50	33.97	33.05	33.55
5897	NASDAQ	CRVL	Wed, Oct 21, 2015	33.68	33.84	32.62	33.40
5896	NASDAQ	CRVL	Tue, Oct 20, 2015	33.66	34.08	33.37	33.67
5895	NASDAQ	CRVL	Mon, Oct 19, 2015	33.43	34.03	33.10	33.68
5894	NASDAQ	CRVL	Fri, Oct 16, 2015	33.47	33.69	33.14	33.46
5893	NASDAQ	CRVL	Thu, Oct 15, 2015	32.90	33.42	32.38	33.34
5892	NASDAQ	CRVL	Wed, Oct 14, 2015	33.27	33.68	32.54	32.72
5891	NASDAQ	CRVL	Tue, Oct 13, 2015	33.44	33.66	33.14	33.31
5890	NASDAQ	CRVL	Mon, Oct 12, 2015	32.77	33.70	32.75	33.46
5889	NASDAQ	CRVL	Fri, Oct 9, 2015	32.92	33.36	32.60	32.84
5888	NASDAQ	CRVL	Thu, Oct 8, 2015	32.95	33.08	32.52	32.85
5887	NASDAQ	CRVL	Wed, Oct 7, 2015	32.12	32.67	31.86	32.55
5886	NASDAQ	CRVL	Tue, Oct 6, 2015	32.40	32.82	31.95	32.13
5885	NASDAQ	CRVL	Mon, Oct 5, 2015	32.32	32.76	31.95	32.34
5884	NASDAQ	CRVL	Fri, Oct 2, 2015	31.62	32.21	30.78	32.13
5883	NASDAQ	CRVL	Thu, Oct 1, 2015	32.40	32.45	30.61	31.81
5882	NASDAQ	CRVL	Wed, Sep 30, 2015	33.39	33.62	32.14	32.30
5881	NASDAQ	CRVL	Tue, Sep 29, 2015	33.56	33.70	32.80	33.07
5880	NASDAQ	CRVL	Mon, Sep 28, 2015	33.76	34.25	33.16	33.41
5879	NASDAQ	CRVL	Fri, Sep 25, 2015	33.75	34.62	33.54	33.77
5878	NASDAQ	CRVL	Thu, Sep 24, 2015	33.84	34.10	33.30	33.63
5877	NASDAQ	CRVL	Wed, Sep 23, 2015	34.04	34.47	33.92	33.94
5876	NASDAQ	CRVL	Tue, Sep 22, 2015	33.22	34.29	32.82	34.09
5875	NASDAQ	CRVL	Mon, Sep 21, 2015	33.38	34.17	33.38	33.57
5874	NASDAQ	CRVL	Fri, Sep 18, 2015	32.68	33.91	32.68	32.95
5873	NASDAQ	CRVL	Thu, Sep 17, 2015	32.50	33.41	32.25	33.08
5872	NASDAQ	CRVL	Wed, Sep 16, 2015	32.38	32.81	32.31	32.43
5871	NASDAQ	CRVL	Tue, Sep 15, 2015	32.12	32.66	32.11	32.30
5870	NASDAQ	CRVL	Mon, Sep 14, 2015	31.77	32.85	31.77	32.32
5869	NASDAQ	CRVL	Fri, Sep 11, 2015	31.18	31.93	31.18	31.74
5868	NASDAQ	CRVL	Thu, Sep 10, 2015	31.33	31.56	31.15	31.40
5867	NASDAQ	CRVL	Wed, Sep 9, 2015	31.86	32.19	31.39	31.41
5866	NASDAQ	CRVL	Tue, Sep 8, 2015	30.87	32.84	30.78	31.64
5865	NASDAQ	CRVL	Fri, Sep 4, 2015	30.21	30.78	30.21	30.49
5864	NASDAQ	CRVL	Thu, Sep 3, 2015	31.22	31.22	30.48	30.65
5863	NASDAQ	CRVL	Wed, Sep 2, 2015	30.04	31.38	30.04	31.11
5862	NASDAQ	CRVL	Tue, Sep 1, 2015	29.50	30.17	29.27	29.67
5861	NASDAQ	CRVL	Mon, Aug 31, 2015	30.65	30.91	29.86	30.03
5860	NASDAQ	CRVL	Fri, Aug 28, 2015	31.10	31.23	30.55	30.91
5859	NASDAQ	CRVL	Thu, Aug 27, 2015	30.87	31.56	30.48	31.29
5858	NASDAQ	CRVL	Wed, Aug 26, 2015	31.07	31.07	29.81	30.88
5857	NASDAQ	CRVL	Tue, Aug 25, 2015	32.10	32.10	30.38	30.46
5856	NASDAQ	CRVL	Mon, Aug 24, 2015	31.35	31.80	30.94	31.26
5855	NASDAQ	CRVL	Fri, Aug 21, 2015	31.92	32.69	31.83	32.10
5854	NASDAQ	CRVL	Thu, Aug 20, 2015	32.46	33.01	32.09	32.45
5853	NASDAQ	CRVL	Wed, Aug 19, 2015	32.96	33.24	32.51	32.76
5852	NASDAQ	CRVL	Tue, Aug 18, 2015	33.58	33.99	33.04	33.23
5851	NASDAQ	CRVL	Mon, Aug 17, 2015	32.81	33.89	32.54	33.49
5850	NASDAQ	CRVL	Fri, Aug 14, 2015	32.40	33.07	32.40	33.00
5849	NASDAQ	CRVL	Thu, Aug 13, 2015	32.86	33.44	32.12	32.31
5848	NASDAQ	CRVL	Wed, Aug 12, 2015	33.04	33.20	32.51	32.95
5847	NASDAQ	CRVL	Tue, Aug 11, 2015	32.84	33.65	32.76	33.45
5846	NASDAQ	CRVL	Mon, Aug 10, 2015	32.91	33.34	32.80	33.21
5845	NASDAQ	CRVL	Fri, Aug 7, 2015	32.99	33.45	32.57	32.75
5844	NASDAQ	CRVL	Thu, Aug 6, 2015	33.22	33.52	32.53	33.16
5843	NASDAQ	CRVL	Wed, Aug 5, 2015	32.50	33.29	31.86	32.95
5842	NASDAQ	CRVL	Tue, Aug 4, 2015	32.15	32.50	31.60	32.33
5841	NASDAQ	CRVL	Mon, Aug 3, 2015	32.10	32.38	31.60	31.75
5840	NASDAQ	CRVL	Fri, Jul 31, 2015	32.23	32.88	31.26	31.96
5839	NASDAQ	CRVL	Thu, Jul 30, 2015	31.87	32.44	30.76	32.10
5838	NASDAQ	CRVL	Wed, Jul 29, 2015	32.09	32.30	31.79	31.83
5837	NASDAQ	CRVL	Tue, Jul 28, 2015	31.66	32.13	31.18	31.96
5836	NASDAQ	CRVL	Mon, Jul 27, 2015	31.57	32.00	31.49	31.75
5835	NASDAQ	CRVL	Fri, Jul 24, 2015	31.60	31.84	31.21	31.56
5834	NASDAQ	CRVL	Thu, Jul 23, 2015	31.57	31.86	31.42	31.53
5833	NASDAQ	CRVL	Wed, Jul 22, 2015	31.77	31.84	31.42	31.56
5832	NASDAQ	CRVL	Tue, Jul 21, 2015	31.62	31.95	29.73	31.65
5831	NASDAQ	CRVL	Mon, Jul 20, 2015	32.13	32.77	31.49	31.74
5830	NASDAQ	CRVL	Fri, Jul 17, 2015	32.59	32.60	31.56	31.76
5829	NASDAQ	CRVL	Thu, Jul 16, 2015	31.96	32.83	31.96	32.57
5828	NASDAQ	CRVL	Wed, Jul 15, 2015	32.78	32.96	31.74	31.89
5827	NASDAQ	CRVL	Tue, Jul 14, 2015	33.17	33.55	32.71	32.99
5826	NASDAQ	CRVL	Mon, Jul 13, 2015	33.57	33.62	32.81	32.91
5825	NASDAQ	CRVL	Fri, Jul 10, 2015	33.29	33.57	33.03	33.14
5824	NASDAQ	CRVL	Thu, Jul 9, 2015	33.07	33.55	32.71	32.77
5823	NASDAQ	CRVL	Wed, Jul 8, 2015	32.38	34.61	32.15	32.82
5822	NASDAQ	CRVL	Tue, Jul 7, 2015	32.40	32.85	32.09	32.59
5821	NASDAQ	CRVL	Mon, Jul 6, 2015	32.20	32.78	32.00	32.62
5820	NASDAQ	CRVL	Thu, Jul 2, 2015	32.60	32.74	32.05	32.32
5819	NASDAQ	CRVL	Wed, Jul 1, 2015	32.48	32.95	31.84	32.48
5818	NASDAQ	CRVL	Tue, Jun 30, 2015	32.35	32.63	31.81	32.02
5817	NASDAQ	CRVL	Mon, Jun 29, 2015	32.58	33.05	32.07	32.15
5816	NASDAQ	CRVL	Fri, Jun 26, 2015	33.21	33.98	32.66	32.75
5815	NASDAQ	CRVL	Thu, Jun 25, 2015	33.10	33.34	32.77	33.14
5814	NASDAQ	CRVL	Wed, Jun 24, 2015	33.40	33.41	32.65	32.81
5813	NASDAQ	CRVL	Tue, Jun 23, 2015	33.16	33.61	33.07	33.39
5812	NASDAQ	CRVL	Mon, Jun 22, 2015	32.90	33.82	32.90	33.18
5811	NASDAQ	CRVL	Fri, Jun 19, 2015	33.18	33.72	32.54	32.55
5810	NASDAQ	CRVL	Thu, Jun 18, 2015	31.91	33.48	31.53	33.08
5809	NASDAQ	CRVL	Wed, Jun 17, 2015	31.99	32.02	31.28	31.89
5808	NASDAQ	CRVL	Tue, Jun 16, 2015	31.45	32.14	31.37	31.76
5807	NASDAQ	CRVL	Mon, Jun 15, 2015	31.96	31.96	31.13	31.50
5806	NASDAQ	CRVL	Fri, Jun 12, 2015	32.40	33.03	32.11	32.38
5805	NASDAQ	CRVL	Thu, Jun 11, 2015	31.84	32.52	31.40	32.34
5804	NASDAQ	CRVL	Wed, Jun 10, 2015	31.75	32.44	31.66	31.92
5803	NASDAQ	CRVL	Tue, Jun 9, 2015	32.02	32.15	31.29	31.77
5802	NASDAQ	CRVL	Mon, Jun 8, 2015	31.85	32.30	31.67	31.92
5801	NASDAQ	CRVL	Fri, Jun 5, 2015	31.26	32.25	31.26	32.02
5800	NASDAQ	CRVL	Thu, Jun 4, 2015	32.33	32.91	31.16	31.45
5799	NASDAQ	CRVL	Wed, Jun 3, 2015	32.28	33.27	32.28	32.46
5798	NASDAQ	CRVL	Tue, Jun 2, 2015	34.09	35.04	31.76	32.06
5797	NASDAQ	CRVL	Mon, Jun 1, 2015	36.37	36.95	36.06	36.29
5796	NASDAQ	CRVL	Fri, May 29, 2015	36.07	37.01	35.37	35.90
5795	NASDAQ	CRVL	Thu, May 28, 2015	35.87	36.42	35.30	36.05
5794	NASDAQ	CRVL	Wed, May 27, 2015	35.60	36.37	35.51	36.01
5793	NASDAQ	CRVL	Tue, May 26, 2015	35.83	36.95	35.61	35.72
5792	NASDAQ	CRVL	Fri, May 22, 2015	35.68	36.03	35.32	35.84
5791	NASDAQ	CRVL	Thu, May 21, 2015	36.30	36.30	35.61	35.79
5790	NASDAQ	CRVL	Wed, May 20, 2015	35.90	36.54	33.44	35.85
5789	NASDAQ	CRVL	Tue, May 19, 2015	35.50	35.92	35.27	35.72
5788	NASDAQ	CRVL	Mon, May 18, 2015	34.91	35.80	34.69	35.72
5787	NASDAQ	CRVL	Fri, May 15, 2015	35.34	35.70	34.83	34.92
5786	NASDAQ	CRVL	Thu, May 14, 2015	34.98	35.79	34.99	35.52
5785	NASDAQ	CRVL	Wed, May 13, 2015	34.61	35.62	34.42	34.93
5784	NASDAQ	CRVL	Tue, May 12, 2015	34.82	35.22	34.24	34.41
5783	NASDAQ	CRVL	Mon, May 11, 2015	34.68	35.75	34.68	35.14
5782	NASDAQ	CRVL	Fri, May 8, 2015	34.79	35.20	34.26	34.83
5781	NASDAQ	CRVL	Thu, May 7, 2015	34.55	35.28	34.47	34.67
5780	NASDAQ	CRVL	Wed, May 6, 2015	35.10	35.10	34.11	34.74
5779	NASDAQ	CRVL	Tue, May 5, 2015	35.57	35.69	34.50	34.87
5778	NASDAQ	CRVL	Mon, May 4, 2015	36.14	36.56	35.51	35.52
5777	NASDAQ	CRVL	Fri, May 1, 2015	35.94	36.13	35.33	36.01
5776	NASDAQ	CRVL	Thu, Apr 30, 2015	36.89	36.98	35.70	35.74
5775	NASDAQ	CRVL	Wed, Apr 29, 2015	38.12	38.23	37.11	37.19
5774	NASDAQ	CRVL	Tue, Apr 28, 2015	38.03	38.79	37.77	38.56
5773	NASDAQ	CRVL	Mon, Apr 27, 2015	38.61	39.14	37.67	38.05
5772	NASDAQ	CRVL	Fri, Apr 24, 2015	37.95	39.29	37.99	38.81
5771	NASDAQ	CRVL	Thu, Apr 23, 2015	37.44	38.45	37.18	37.86
5770	NASDAQ	CRVL	Wed, Apr 22, 2015	37.75	38.09	37.15	37.52
5769	NASDAQ	CRVL	Tue, Apr 21, 2015	38.26	38.27	37.58	37.80
5768	NASDAQ	CRVL	Mon, Apr 20, 2015	36.95	38.32	36.83	37.94
5767	NASDAQ	CRVL	Fri, Apr 17, 2015	36.98	37.29	36.64	36.86
5766	NASDAQ	CRVL	Thu, Apr 16, 2015	37.29	37.73	37.21	37.31
5765	NASDAQ	CRVL	Wed, Apr 15, 2015	37.07	37.88	36.84	37.20
5764	NASDAQ	CRVL	Tue, Apr 14, 2015	36.70	37.24	36.24	36.89
5763	NASDAQ	CRVL	Mon, Apr 13, 2015	36.81	37.45	36.59	36.68
5762	NASDAQ	CRVL	Fri, Apr 10, 2015	36.50	37.05	36.22	36.83
5761	NASDAQ	CRVL	Thu, Apr 9, 2015	36.75	37.05	36.20	36.26
5760	NASDAQ	CRVL	Wed, Apr 8, 2015	35.88	36.85	35.88	36.62
5759	NASDAQ	CRVL	Tue, Apr 7, 2015	35.80	36.84	35.80	36.00
5758	NASDAQ	CRVL	Mon, Apr 6, 2015	35.50	35.86	35.19	35.70
5757	NASDAQ	CRVL	Thu, Apr 2, 2015	35.31	35.99	34.90	35.59
5756	NASDAQ	CRVL	Wed, Apr 1, 2015	34.39	35.27	34.10	35.25
5755	NASDAQ	CRVL	Tue, Mar 31, 2015	34.16	34.90	33.89	34.41
5754	NASDAQ	CRVL	Mon, Mar 30, 2015	34.26	34.94	33.84	34.44
5753	NASDAQ	CRVL	Fri, Mar 27, 2015	34.14	34.54	33.97	34.21
5752	NASDAQ	CRVL	Thu, Mar 26, 2015	34.40	34.72	34.11	34.25
5751	NASDAQ	CRVL	Wed, Mar 25, 2015	35.16	35.56	34.59	34.60
5750	NASDAQ	CRVL	Tue, Mar 24, 2015	35.44	35.65	35.08	35.25
5749	NASDAQ	CRVL	Mon, Mar 23, 2015	34.52	35.82	34.52	35.56
5748	NASDAQ	CRVL	Fri, Mar 20, 2015	34.40	35.14	34.21	34.52
5747	NASDAQ	CRVL	Thu, Mar 19, 2015	34.25	34.47	34.05	34.31
5746	NASDAQ	CRVL	Wed, Mar 18, 2015	34.04	34.56	34.04	34.31
5745	NASDAQ	CRVL	Tue, Mar 17, 2015	34.60	34.86	33.44	34.24
5744	NASDAQ	CRVL	Mon, Mar 16, 2015	34.99	35.54	34.25	34.55
5743	NASDAQ	CRVL	Fri, Mar 13, 2015	35.49	35.69	34.26	34.73
5742	NASDAQ	CRVL	Thu, Mar 12, 2015	34.85	35.92	34.16	35.74
5741	NASDAQ	CRVL	Wed, Mar 11, 2015	34.35	35.28	34.15	34.52
5740	NASDAQ	CRVL	Tue, Mar 10, 2015	33.89	35.05	33.53	34.47
5739	NASDAQ	CRVL	Mon, Mar 9, 2015	34.91	35.17	33.87	34.30
5738	NASDAQ	CRVL	Fri, Mar 6, 2015	35.39	36.26	34.87	34.90
5737	NASDAQ	CRVL	Thu, Mar 5, 2015	35.75	36.85	35.55	35.82
5736	NASDAQ	CRVL	Wed, Mar 4, 2015	35.10	36.40	35.10	35.74
5735	NASDAQ	CRVL	Tue, Mar 3, 2015	35.87	36.16	35.24	35.32
5734	NASDAQ	CRVL	Mon, Mar 2, 2015	35.49	36.11	35.26	36.08
5733	NASDAQ	CRVL	Fri, Feb 27, 2015	35.99	36.28	35.36	35.43
5732	NASDAQ	CRVL	Thu, Feb 26, 2015	35.57	36.34	35.10	36.03
5731	NASDAQ	CRVL	Wed, Feb 25, 2015	35.41	35.96	35.24	35.49
5730	NASDAQ	CRVL	Tue, Feb 24, 2015	34.91	35.60	34.91	35.55
5729	NASDAQ	CRVL	Mon, Feb 23, 2015	34.68	34.99	34.20	34.80
5728	NASDAQ	CRVL	Fri, Feb 20, 2015	35.54	36.08	34.63	34.65
5727	NASDAQ	CRVL	Thu, Feb 19, 2015	35.42	36.40	35.37	35.45
5726	NASDAQ	CRVL	Wed, Feb 18, 2015	35.31	35.98	35.25	35.39
5725	NASDAQ	CRVL	Tue, Feb 17, 2015	35.45	35.71	35.18	35.41
5724	NASDAQ	CRVL	Fri, Feb 13, 2015	35.90	36.44	35.54	35.66
5723	NASDAQ	CRVL	Thu, Feb 12, 2015	36.34	36.59	35.86	35.97
5722	NASDAQ	CRVL	Wed, Feb 11, 2015	35.78	36.56	35.72	36.22
5721	NASDAQ	CRVL	Tue, Feb 10, 2015	35.54	36.26	35.11	35.96
5720	NASDAQ	CRVL	Mon, Feb 9, 2015	35.67	36.03	35.03	35.47
5719	NASDAQ	CRVL	Fri, Feb 6, 2015	35.81	36.38	35.44	35.96
5718	NASDAQ	CRVL	Thu, Feb 5, 2015	35.20	35.91	34.85	35.77
5717	NASDAQ	CRVL	Wed, Feb 4, 2015	33.79	35.49	33.44	35.04
5716	NASDAQ	CRVL	Tue, Feb 3, 2015	33.52	34.45	31.91	34.02
5715	NASDAQ	CRVL	Mon, Feb 2, 2015	32.88	33.83	32.55	33.63
5714	NASDAQ	CRVL	Fri, Jan 30, 2015	34.75	35.45	32.64	32.94
5713	NASDAQ	CRVL	Thu, Jan 29, 2015	34.17	35.19	33.65	35.06
5712	NASDAQ	CRVL	Wed, Jan 28, 2015	35.47	36.02	34.11	34.45
5711	NASDAQ	CRVL	Tue, Jan 27, 2015	34.53	35.27	34.52	34.75
5710	NASDAQ	CRVL	Mon, Jan 26, 2015	35.29	35.29	34.33	35.00
5709	NASDAQ	CRVL	Fri, Jan 23, 2015	35.87	36.16	35.07	35.09
5708	NASDAQ	CRVL	Thu, Jan 22, 2015	35.39	36.02	33.63	35.76
5707	NASDAQ	CRVL	Wed, Jan 21, 2015	34.59	35.26	34.45	35.26
5706	NASDAQ	CRVL	Tue, Jan 20, 2015	34.53	35.18	33.60	34.80
5705	NASDAQ	CRVL	Fri, Jan 16, 2015	33.87	34.94	33.29	34.43
5704	NASDAQ	CRVL	Thu, Jan 15, 2015	34.09	34.38	33.56	34.01
5703	NASDAQ	CRVL	Wed, Jan 14, 2015	33.87	34.40	33.77	34.09
5702	NASDAQ	CRVL	Tue, Jan 13, 2015	34.02	34.57	33.60	34.19
5701	NASDAQ	CRVL	Mon, Jan 12, 2015	34.36	34.44	33.60	33.68
5700	NASDAQ	CRVL	Fri, Jan 9, 2015	35.25	35.43	34.16	34.33
5699	NASDAQ	CRVL	Thu, Jan 8, 2015	35.10	36.03	35.10	35.37
5698	NASDAQ	CRVL	Wed, Jan 7, 2015	35.21	35.21	34.07	34.75
5697	NASDAQ	CRVL	Tue, Jan 6, 2015	36.47	36.47	34.47	34.81
5696	NASDAQ	CRVL	Mon, Jan 5, 2015	36.47	36.85	35.89	36.43
5695	NASDAQ	CRVL	Fri, Jan 2, 2015	37.36	37.93	36.32	36.79
5694	NASDAQ	CRVL	Wed, Dec 31, 2014	37.78	38.34	37.11	37.22
5693	NASDAQ	CRVL	Tue, Dec 30, 2014	37.07	37.88	37.07	37.57
5692	NASDAQ	CRVL	Mon, Dec 29, 2014	36.35	37.52	36.35	37.04
5691	NASDAQ	CRVL	Fri, Dec 26, 2014	36.51	37.47	36.09	36.18
5690	NASDAQ	CRVL	Wed, Dec 24, 2014	36.11	36.93	35.92	36.35
5689	NASDAQ	CRVL	Tue, Dec 23, 2014	35.36	36.12	34.92	35.90
5688	NASDAQ	CRVL	Mon, Dec 22, 2014	35.10	35.43	34.74	35.32
5687	NASDAQ	CRVL	Fri, Dec 19, 2014	35.98	36.45	34.70	34.91
5686	NASDAQ	CRVL	Thu, Dec 18, 2014	35.93	36.42	34.96	36.08
5685	NASDAQ	CRVL	Wed, Dec 17, 2014	34.04	35.74	33.59	35.59
5684	NASDAQ	CRVL	Tue, Dec 16, 2014	34.38	34.83	31.95	34.09
5683	NASDAQ	CRVL	Mon, Dec 15, 2014	34.65	34.77	33.92	34.48
5682	NASDAQ	CRVL	Fri, Dec 12, 2014	35.92	36.00	35.01	35.11
5681	NASDAQ	CRVL	Thu, Dec 11, 2014	36.54	37.31	35.75	36.36
5680	NASDAQ	CRVL	Wed, Dec 10, 2014	36.69	37.12	36.38	36.45
5679	NASDAQ	CRVL	Tue, Dec 9, 2014	35.94	37.23	35.59	36.95
5678	NASDAQ	CRVL	Mon, Dec 8, 2014	36.18	37.14	35.79	36.19
5677	NASDAQ	CRVL	Fri, Dec 5, 2014	36.33	37.07	35.69	36.22
5676	NASDAQ	CRVL	Thu, Dec 4, 2014	36.83	37.20	36.04	36.34
5675	NASDAQ	CRVL	Wed, Dec 3, 2014	35.50	37.25	35.08	36.75
5674	NASDAQ	CRVL	Tue, Dec 2, 2014	34.65	35.50	34.21	35.38
5673	NASDAQ	CRVL	Mon, Dec 1, 2014	34.62	34.99	33.81	34.47
5672	NASDAQ	CRVL	Fri, Nov 28, 2014	35.05	35.58	34.45	34.66
5671	NASDAQ	CRVL	Wed, Nov 26, 2014	34.92	35.36	34.91	35.03
5670	NASDAQ	CRVL	Tue, Nov 25, 2014	34.55	35.38	34.17	34.79
5669	NASDAQ	CRVL	Mon, Nov 24, 2014	33.67	34.77	32.94	34.62
5668	NASDAQ	CRVL	Fri, Nov 21, 2014	34.24	34.24	33.48	33.70
5667	NASDAQ	CRVL	Thu, Nov 20, 2014	33.46	33.77	33.03	33.70
5666	NASDAQ	CRVL	Wed, Nov 19, 2014	34.51	34.51	33.36	33.50
5665	NASDAQ	CRVL	Tue, Nov 18, 2014	33.89	35.06	33.89	34.48
5664	NASDAQ	CRVL	Mon, Nov 17, 2014	34.11	34.38	33.80	33.89
5663	NASDAQ	CRVL	Fri, Nov 14, 2014	34.69	34.86	34.19	34.23
5662	NASDAQ	CRVL	Thu, Nov 13, 2014	34.85	35.03	34.26	35.03
5661	NASDAQ	CRVL	Wed, Nov 12, 2014	34.39	34.94	34.18	34.86
5660	NASDAQ	CRVL	Tue, Nov 11, 2014	34.86	34.92	34.16	34.59
5659	NASDAQ	CRVL	Mon, Nov 10, 2014	34.54	35.10	34.00	34.78
5658	NASDAQ	CRVL	Fri, Nov 7, 2014	34.92	35.23	34.32	34.45
5657	NASDAQ	CRVL	Thu, Nov 6, 2014	34.50	35.41	34.44	35.41
5656	NASDAQ	CRVL	Wed, Nov 5, 2014	34.81	34.98	33.96	34.54
5655	NASDAQ	CRVL	Tue, Nov 4, 2014	33.97	34.78	33.84	34.64
5654	NASDAQ	CRVL	Mon, Nov 3, 2014	34.29	34.50	33.84	34.19
5653	NASDAQ	CRVL	Fri, Oct 31, 2014	35.03	35.33	34.26	34.42
5652	NASDAQ	CRVL	Thu, Oct 30, 2014	32.85	34.59	32.85	34.34
5651	NASDAQ	CRVL	Wed, Oct 29, 2014	33.28	33.39	32.02	33.04
5650	NASDAQ	CRVL	Tue, Oct 28, 2014	33.00	33.63	32.77	33.13
5649	NASDAQ	CRVL	Mon, Oct 27, 2014	32.95	33.33	32.71	33.05
5648	NASDAQ	CRVL	Fri, Oct 24, 2014	33.07	33.07	32.72	32.98
5647	NASDAQ	CRVL	Thu, Oct 23, 2014	33.01	33.46	32.59	32.98
5646	NASDAQ	CRVL	Wed, Oct 22, 2014	32.99	33.16	32.57	32.65
5645	NASDAQ	CRVL	Tue, Oct 21, 2014	32.88	33.22	32.80	33.02
5644	NASDAQ	CRVL	Mon, Oct 20, 2014	32.60	32.95	32.46	32.82
5643	NASDAQ	CRVL	Fri, Oct 17, 2014	33.40	33.48	32.50	32.68
5642	NASDAQ	CRVL	Thu, Oct 16, 2014	32.83	33.65	32.70	32.88
5641	NASDAQ	CRVL	Wed, Oct 15, 2014	32.16	33.69	31.83	33.34
5640	NASDAQ	CRVL	Tue, Oct 14, 2014	33.34	33.41	32.49	32.52
5639	NASDAQ	CRVL	Mon, Oct 13, 2014	32.60	33.46	32.45	32.98
5638	NASDAQ	CRVL	Fri, Oct 10, 2014	31.87	33.07	31.47	32.65
5637	NASDAQ	CRVL	Thu, Oct 9, 2014	32.67	32.81	32.05	32.06
5636	NASDAQ	CRVL	Wed, Oct 8, 2014	32.55	32.95	32.28	32.80
5635	NASDAQ	CRVL	Tue, Oct 7, 2014	33.71	33.80	32.62	32.78
5634	NASDAQ	CRVL	Mon, Oct 6, 2014	34.31	34.32	33.80	33.85
5633	NASDAQ	CRVL	Fri, Oct 3, 2014	34.28	34.31	33.71	34.13
5632	NASDAQ	CRVL	Thu, Oct 2, 2014	34.00	34.65	33.79	34.00
5631	NASDAQ	CRVL	Wed, Oct 1, 2014	34.12	34.63	33.72	34.03
5630	NASDAQ	CRVL	Tue, Sep 30, 2014	34.44	34.86	34.02	34.05
5629	NASDAQ	CRVL	Mon, Sep 29, 2014	34.64	35.68	34.64	34.84
5628	NASDAQ	CRVL	Fri, Sep 26, 2014	34.95	35.67	28.08	35.23
5627	NASDAQ	CRVL	Thu, Sep 25, 2014	35.43	35.43	34.61	35.04
5626	NASDAQ	CRVL	Wed, Sep 24, 2014	35.52	36.02	35.30	35.45
5625	NASDAQ	CRVL	Tue, Sep 23, 2014	35.50	35.63	35.11	35.54
5624	NASDAQ	CRVL	Mon, Sep 22, 2014	35.72	36.29	35.24	35.75
5623	NASDAQ	CRVL	Fri, Sep 19, 2014	36.06	36.17	35.17	35.75
5622	NASDAQ	CRVL	Thu, Sep 18, 2014	35.12	36.02	35.12	35.90
5621	NASDAQ	CRVL	Wed, Sep 17, 2014	35.69	35.72	34.72	35.04
5620	NASDAQ	CRVL	Tue, Sep 16, 2014	35.67	35.93	35.25	35.58
5619	NASDAQ	CRVL	Mon, Sep 15, 2014	36.23	36.41	35.61	35.76
5618	NASDAQ	CRVL	Fri, Sep 12, 2014	36.98	37.24	35.53	36.11
5617	NASDAQ	CRVL	Thu, Sep 11, 2014	37.44	37.75	36.94	37.18
5616	NASDAQ	CRVL	Wed, Sep 10, 2014	37.50	37.78	37.08	37.56
5615	NASDAQ	CRVL	Tue, Sep 9, 2014	38.58	38.58	37.40	37.62
5614	NASDAQ	CRVL	Mon, Sep 8, 2014	39.26	39.32	38.53	38.77
5613	NASDAQ	CRVL	Fri, Sep 5, 2014	39.46	39.89	39.23	39.52
5612	NASDAQ	CRVL	Thu, Sep 4, 2014	40.35	40.92	39.46	39.64
5611	NASDAQ	CRVL	Wed, Sep 3, 2014	41.20	41.47	40.06	40.44
5610	NASDAQ	CRVL	Tue, Sep 2, 2014	41.11	41.26	40.53	40.96
5609	NASDAQ	CRVL	Fri, Aug 29, 2014	40.79	41.28	40.79	40.90
5608	NASDAQ	CRVL	Thu, Aug 28, 2014	40.47	41.00	40.25	40.79
5607	NASDAQ	CRVL	Wed, Aug 27, 2014	40.45	40.79	40.27	40.49
5606	NASDAQ	CRVL	Tue, Aug 26, 2014	39.94	40.65	39.73	40.50
5605	NASDAQ	CRVL	Mon, Aug 25, 2014	40.53	40.95	39.62	39.72
5604	NASDAQ	CRVL	Fri, Aug 22, 2014	40.53	41.11	40.00	40.13
5603	NASDAQ	CRVL	Thu, Aug 21, 2014	39.93	41.02	39.19	40.45
5602	NASDAQ	CRVL	Wed, Aug 20, 2014	40.56	41.41	39.80	39.92
5601	NASDAQ	CRVL	Tue, Aug 19, 2014	40.25	40.81	40.25	40.66
5600	NASDAQ	CRVL	Mon, Aug 18, 2014	40.10	40.10	39.64	40.09
5599	NASDAQ	CRVL	Fri, Aug 15, 2014	40.16	40.25	39.28	39.72
5598	NASDAQ	CRVL	Thu, Aug 14, 2014	40.10	40.28	39.72	39.80
5597	NASDAQ	CRVL	Wed, Aug 13, 2014	40.62	40.56	39.61	39.97
5596	NASDAQ	CRVL	Tue, Aug 12, 2014	41.13	41.79	40.11	40.36
5595	NASDAQ	CRVL	Mon, Aug 11, 2014	41.11	41.77	40.99	41.30
5594	NASDAQ	CRVL	Fri, Aug 8, 2014	40.25	41.46	40.25	40.76
5593	NASDAQ	CRVL	Thu, Aug 7, 2014	40.95	40.95	40.14	40.28
5592	NASDAQ	CRVL	Wed, Aug 6, 2014	39.99	41.24	39.99	40.64
5591	NASDAQ	CRVL	Tue, Aug 5, 2014	40.18	40.66	40.00	40.13
5590	NASDAQ	CRVL	Mon, Aug 4, 2014	40.15	40.92	39.79	40.57
5589	NASDAQ	CRVL	Fri, Aug 1, 2014	40.26	40.39	39.41	40.02
5588	NASDAQ	CRVL	Thu, Jul 31, 2014	41.36	41.36	40.28	40.28
5587	NASDAQ	CRVL	Wed, Jul 30, 2014	42.27	42.42	41.49	41.97
5586	NASDAQ	CRVL	Tue, Jul 29, 2014	42.57	42.93	41.75	42.10
5585	NASDAQ	CRVL	Mon, Jul 28, 2014	42.53	43.11	42.04	42.48
5584	NASDAQ	CRVL	Fri, Jul 25, 2014	42.94	43.11	42.51	42.55
5583	NASDAQ	CRVL	Thu, Jul 24, 2014	43.43	44.49	43.13	43.33
5582	NASDAQ	CRVL	Wed, Jul 23, 2014	43.47	44.05	42.85	43.61
5581	NASDAQ	CRVL	Tue, Jul 22, 2014	43.17	44.12	43.17	43.53
5580	NASDAQ	CRVL	Mon, Jul 21, 2014	43.58	43.58	41.66	43.12
5579	NASDAQ	CRVL	Fri, Jul 18, 2014	42.62	44.02	42.62	43.80
5578	NASDAQ	CRVL	Thu, Jul 17, 2014	43.56	43.99	42.50	42.76
5577	NASDAQ	CRVL	Wed, Jul 16, 2014	44.63	44.63	43.55	43.71
5576	NASDAQ	CRVL	Tue, Jul 15, 2014	45.32	45.49	44.10	44.16
5575	NASDAQ	CRVL	Mon, Jul 14, 2014	45.65	45.97	44.11	45.46
5574	NASDAQ	CRVL	Fri, Jul 11, 2014	45.23	45.54	44.75	45.12
5573	NASDAQ	CRVL	Thu, Jul 10, 2014	45.13	45.65	44.98	45.35
5572	NASDAQ	CRVL	Wed, Jul 9, 2014	45.59	45.94	45.34	45.70
5571	NASDAQ	CRVL	Tue, Jul 8, 2014	45.65	45.84	44.95	45.56
5570	NASDAQ	CRVL	Mon, Jul 7, 2014	46.09	46.03	45.12	45.48
5569	NASDAQ	CRVL	Thu, Jul 3, 2014	46.30	46.98	45.95	46.26
5568	NASDAQ	CRVL	Wed, Jul 2, 2014	46.13	47.21	46.06	46.39
5567	NASDAQ	CRVL	Tue, Jul 1, 2014	45.15	46.85	45.15	46.02
5566	NASDAQ	CRVL	Mon, Jun 30, 2014	44.94	45.68	44.88	45.18
5565	NASDAQ	CRVL	Fri, Jun 27, 2014	44.32	45.47	43.96	45.24
5564	NASDAQ	CRVL	Thu, Jun 26, 2014	44.54	45.00	43.99	44.71
5563	NASDAQ	CRVL	Wed, Jun 25, 2014	42.91	44.59	42.81	44.31
5562	NASDAQ	CRVL	Tue, Jun 24, 2014	43.26	44.55	43.18	43.28
5561	NASDAQ	CRVL	Mon, Jun 23, 2014	43.82	44.01	43.00	43.37
5560	NASDAQ	CRVL	Fri, Jun 20, 2014	43.45	43.96	43.22	43.85
5559	NASDAQ	CRVL	Thu, Jun 19, 2014	43.27	43.62	42.84	43.19
5558	NASDAQ	CRVL	Wed, Jun 18, 2014	43.60	43.60	42.64	42.97
5557	NASDAQ	CRVL	Tue, Jun 17, 2014	44.02	44.31	43.15	43.60
5556	NASDAQ	CRVL	Mon, Jun 16, 2014	44.82	44.82	43.19	43.89
5555	NASDAQ	CRVL	Fri, Jun 13, 2014	45.79	45.79	44.56	44.69
5554	NASDAQ	CRVL	Thu, Jun 12, 2014	46.16	46.55	45.03	45.48
5553	NASDAQ	CRVL	Wed, Jun 11, 2014	46.78	46.89	45.85	46.24
5552	NASDAQ	CRVL	Tue, Jun 10, 2014	46.90	47.23	46.32	47.18
5551	NASDAQ	CRVL	Mon, Jun 9, 2014	46.95	47.23	45.99	47.20
5550	NASDAQ	CRVL	Fri, Jun 6, 2014	46.63	47.66	46.63	47.11
5549	NASDAQ	CRVL	Thu, Jun 5, 2014	45.00	46.47	44.13	46.27
5548	NASDAQ	CRVL	Wed, Jun 4, 2014	44.97	45.72	44.71	44.92
5547	NASDAQ	CRVL	Tue, Jun 3, 2014	45.75	46.17	45.01	45.27
5546	NASDAQ	CRVL	Mon, Jun 2, 2014	47.09	47.09	45.76	45.97
5545	NASDAQ	CRVL	Fri, May 30, 2014	47.24	47.60	46.65	47.22
5544	NASDAQ	CRVL	Thu, May 29, 2014	47.81	47.92	45.54	47.01
5543	NASDAQ	CRVL	Wed, May 28, 2014	47.39	47.87	46.84	47.22
5542	NASDAQ	CRVL	Tue, May 27, 2014	47.20	48.12	47.00	47.74
5541	NASDAQ	CRVL	Fri, May 23, 2014	45.99	47.20	44.87	46.84
5540	NASDAQ	CRVL	Thu, May 22, 2014	46.36	46.91	45.42	45.81
5539	NASDAQ	CRVL	Wed, May 21, 2014	45.97	46.64	45.52	46.11
5538	NASDAQ	CRVL	Tue, May 20, 2014	46.42	46.74	45.06	45.67
5537	NASDAQ	CRVL	Mon, May 19, 2014	45.43	46.84	45.07	46.68
5536	NASDAQ	CRVL	Fri, May 16, 2014	45.61	45.70	42.18	45.70
5535	NASDAQ	CRVL	Thu, May 15, 2014	44.57	46.08	43.91	45.58
5534	NASDAQ	CRVL	Wed, May 14, 2014	45.81	46.21	44.41	44.82
5533	NASDAQ	CRVL	Tue, May 13, 2014	47.40	48.03	45.72	45.93
5532	NASDAQ	CRVL	Mon, May 12, 2014	46.31	47.80	46.31	47.65
5531	NASDAQ	CRVL	Fri, May 9, 2014	44.57	46.30	44.57	45.95
5530	NASDAQ	CRVL	Thu, May 8, 2014	45.21	46.56	44.64	44.86
5529	NASDAQ	CRVL	Wed, May 7, 2014	45.30	46.01	44.17	45.47
5528	NASDAQ	CRVL	Tue, May 6, 2014	46.12	46.18	45.01	45.13
5527	NASDAQ	CRVL	Mon, May 5, 2014	44.99	46.80	44.78	46.41
5526	NASDAQ	CRVL	Fri, May 2, 2014	45.93	46.33	44.46	45.35
5525	NASDAQ	CRVL	Thu, May 1, 2014	45.52	46.41	44.90	45.71
5524	NASDAQ	CRVL	Wed, Apr 30, 2014	45.25	46.46	44.70	45.40
5523	NASDAQ	CRVL	Tue, Apr 29, 2014	46.20	46.30	45.41	45.46
5522	NASDAQ	CRVL	Mon, Apr 28, 2014	46.63	47.34	45.38	45.85
5521	NASDAQ	CRVL	Fri, Apr 25, 2014	47.91	48.13	46.44	46.55
5520	NASDAQ	CRVL	Thu, Apr 24, 2014	49.15	49.15	47.83	48.26
5519	NASDAQ	CRVL	Wed, Apr 23, 2014	49.21	49.49	48.56	48.80
5518	NASDAQ	CRVL	Tue, Apr 22, 2014	49.03	49.77	49.03	49.37
5517	NASDAQ	CRVL	Mon, Apr 21, 2014	49.13	49.67	48.93	49.55
5516	NASDAQ	CRVL	Thu, Apr 17, 2014	49.41	49.67	48.57	48.99
5515	NASDAQ	CRVL	Wed, Apr 16, 2014	49.37	50.15	49.21	49.42
5514	NASDAQ	CRVL	Tue, Apr 15, 2014	48.95	49.19	47.36	48.88
5513	NASDAQ	CRVL	Mon, Apr 14, 2014	49.09	49.92	47.99	48.90
5512	NASDAQ	CRVL	Fri, Apr 11, 2014	49.56	50.44	48.20	48.63
5511	NASDAQ	CRVL	Thu, Apr 10, 2014	51.98	51.98	49.60	49.86
5510	NASDAQ	CRVL	Wed, Apr 9, 2014	51.92	52.63	51.40	52.13
5509	NASDAQ	CRVL	Tue, Apr 8, 2014	50.56	51.81	50.07	51.33
5508	NASDAQ	CRVL	Mon, Apr 7, 2014	49.85	50.85	49.85	50.35
5507	NASDAQ	CRVL	Fri, Apr 4, 2014	51.97	51.97	49.99	50.17
5506	NASDAQ	CRVL	Thu, Apr 3, 2014	51.93	52.01	51.37	51.71
5505	NASDAQ	CRVL	Wed, Apr 2, 2014	51.14	51.87	51.14	51.70
5504	NASDAQ	CRVL	Tue, Apr 1, 2014	49.97	51.83	49.71	51.10
5503	NASDAQ	CRVL	Mon, Mar 31, 2014	49.59	50.66	49.43	49.76
5502	NASDAQ	CRVL	Fri, Mar 28, 2014	49.95	50.95	49.02	49.48
5501	NASDAQ	CRVL	Thu, Mar 27, 2014	50.22	50.78	49.53	50.01
5500	NASDAQ	CRVL	Wed, Mar 26, 2014	51.65	51.67	50.06	50.07
5499	NASDAQ	CRVL	Tue, Mar 25, 2014	51.46	52.08	50.73	51.09
5498	NASDAQ	CRVL	Mon, Mar 24, 2014	52.11	52.43	50.18	51.03
5497	NASDAQ	CRVL	Fri, Mar 21, 2014	52.44	53.24	52.00	52.08
5496	NASDAQ	CRVL	Thu, Mar 20, 2014	52.21	53.35	51.85	52.15
5495	NASDAQ	CRVL	Wed, Mar 19, 2014	52.80	52.80	51.64	52.44
5494	NASDAQ	CRVL	Tue, Mar 18, 2014	51.70	53.00	51.69	52.75
5493	NASDAQ	CRVL	Mon, Mar 17, 2014	51.92	52.39	51.13	51.67
5492	NASDAQ	CRVL	Fri, Mar 14, 2014	50.40	51.95	50.40	51.63
5491	NASDAQ	CRVL	Thu, Mar 13, 2014	50.38	50.58	49.60	50.40
5490	NASDAQ	CRVL	Wed, Mar 12, 2014	49.10	50.39	48.92	50.10
5489	NASDAQ	CRVL	Tue, Mar 11, 2014	49.02	50.17	48.61	49.39
5488	NASDAQ	CRVL	Mon, Mar 10, 2014	49.49	50.36	48.58	49.10
5487	NASDAQ	CRVL	Fri, Mar 7, 2014	48.57	49.63	47.08	49.49
5486	NASDAQ	CRVL	Thu, Mar 6, 2014	48.00	48.58	47.13	48.40
5485	NASDAQ	CRVL	Wed, Mar 5, 2014	46.78	48.28	46.78	47.75
5484	NASDAQ	CRVL	Tue, Mar 4, 2014	47.31	49.25	46.42	46.90
5483	NASDAQ	CRVL	Mon, Mar 3, 2014	45.80	46.75	45.25	46.62
5482	NASDAQ	CRVL	Fri, Feb 28, 2014	45.38	46.25	44.83	46.01
5481	NASDAQ	CRVL	Thu, Feb 27, 2014	45.84	45.84	44.93	45.25
5480	NASDAQ	CRVL	Wed, Feb 26, 2014	45.35	45.98	45.18	45.86
5479	NASDAQ	CRVL	Tue, Feb 25, 2014	46.50	46.21	45.06	45.58
5478	NASDAQ	CRVL	Mon, Feb 24, 2014	46.07	46.89	45.87	46.43
5477	NASDAQ	CRVL	Fri, Feb 21, 2014	46.89	46.99	45.55	46.03
5476	NASDAQ	CRVL	Thu, Feb 20, 2014	45.76	46.83	45.72	46.66
5475	NASDAQ	CRVL	Wed, Feb 19, 2014	46.35	46.72	45.68	45.94
5474	NASDAQ	CRVL	Tue, Feb 18, 2014	46.29	47.06	44.26	46.63
5473	NASDAQ	CRVL	Fri, Feb 14, 2014	46.57	47.02	45.14	46.45
5472	NASDAQ	CRVL	Thu, Feb 13, 2014	45.63	46.92	45.63	46.62
5471	NASDAQ	CRVL	Wed, Feb 12, 2014	46.50	46.98	45.44	46.09
5470	NASDAQ	CRVL	Tue, Feb 11, 2014	44.90	46.91	44.73	46.33
5469	NASDAQ	CRVL	Mon, Feb 10, 2014	44.85	45.29	44.12	44.90
5468	NASDAQ	CRVL	Fri, Feb 7, 2014	45.65	45.65	44.55	45.11
5467	NASDAQ	CRVL	Thu, Feb 6, 2014	45.45	46.03	45.20	45.55
5466	NASDAQ	CRVL	Wed, Feb 5, 2014	46.01	46.17	44.21	45.18
5465	NASDAQ	CRVL	Tue, Feb 4, 2014	45.75	46.57	45.45	46.13
5464	NASDAQ	CRVL	Mon, Feb 3, 2014	47.73	47.73	45.06	45.49
5463	NASDAQ	CRVL	Fri, Jan 31, 2014	47.97	48.68	46.80	47.36
5462	NASDAQ	CRVL	Thu, Jan 30, 2014	47.83	49.09	47.56	48.58
5461	NASDAQ	CRVL	Wed, Jan 29, 2014	48.25	50.25	47.53	47.62
5460	NASDAQ	CRVL	Tue, Jan 28, 2014	46.75	51.50	46.75	48.74
5459	NASDAQ	CRVL	Mon, Jan 27, 2014	47.22	47.22	46.22	46.49
5458	NASDAQ	CRVL	Fri, Jan 24, 2014	47.85	48.05	46.08	47.08
5457	NASDAQ	CRVL	Thu, Jan 23, 2014	48.44	48.84	47.24	48.23
5456	NASDAQ	CRVL	Wed, Jan 22, 2014	49.88	50.31	48.32	48.80
5455	NASDAQ	CRVL	Tue, Jan 21, 2014	48.56	49.72	48.13	49.72
5454	NASDAQ	CRVL	Fri, Jan 17, 2014	48.25	48.96	47.74	48.13
5453	NASDAQ	CRVL	Thu, Jan 16, 2014	48.53	49.12	48.15	48.37
5452	NASDAQ	CRVL	Wed, Jan 15, 2014	47.97	49.11	47.84	48.67
5451	NASDAQ	CRVL	Tue, Jan 14, 2014	47.90	48.74	47.57	48.08
5450	NASDAQ	CRVL	Mon, Jan 13, 2014	47.93	48.75	47.12	47.73
5449	NASDAQ	CRVL	Fri, Jan 10, 2014	47.53	48.29	46.90	48.00
5448	NASDAQ	CRVL	Thu, Jan 9, 2014	46.85	47.73	46.66	47.68
5447	NASDAQ	CRVL	Wed, Jan 8, 2014	46.77	48.28	46.17	46.60
5446	NASDAQ	CRVL	Tue, Jan 7, 2014	46.15	47.11	46.12	46.70
5445	NASDAQ	CRVL	Mon, Jan 6, 2014	48.26	49.07	45.88	46.13
5444	NASDAQ	CRVL	Fri, Jan 3, 2014	47.40	48.72	47.40	48.17
5443	NASDAQ	CRVL	Thu, Jan 2, 2014	46.89	47.37	46.08	47.36
5442	NASDAQ	CRVL	Tue, Dec 31, 2013	47.01	47.64	46.59	46.70
5441	NASDAQ	CRVL	Mon, Dec 30, 2013	46.96	47.53	46.36	46.90
5440	NASDAQ	CRVL	Fri, Dec 27, 2013	47.48	47.48	46.79	47.16
5439	NASDAQ	CRVL	Thu, Dec 26, 2013	48.15	48.15	47.30	47.39
5438	NASDAQ	CRVL	Tue, Dec 24, 2013	47.03	48.61	47.03	48.06
5437	NASDAQ	CRVL	Mon, Dec 23, 2013	47.02	48.14	46.54	47.24
5436	NASDAQ	CRVL	Fri, Dec 20, 2013	46.00	47.48	45.09	46.91
5435	NASDAQ	CRVL	Thu, Dec 19, 2013	46.09	46.21	45.53	45.93
5434	NASDAQ	CRVL	Wed, Dec 18, 2013	46.08	46.20	45.77	46.09
5433	NASDAQ	CRVL	Tue, Dec 17, 2013	46.15	46.53	45.16	45.88
5432	NASDAQ	CRVL	Mon, Dec 16, 2013	45.85	47.62	45.85	46.38
5431	NASDAQ	CRVL	Fri, Dec 13, 2013	45.99	46.56	45.71	45.80
5430	NASDAQ	CRVL	Thu, Dec 12, 2013	45.58	47.09	45.48	45.73
5429	NASDAQ	CRVL	Wed, Dec 11, 2013	46.00	46.16	45.27	45.41
5428	NASDAQ	CRVL	Tue, Dec 10, 2013	45.85	46.31	45.71	45.91
5427	NASDAQ	CRVL	Mon, Dec 9, 2013	46.34	46.93	45.51	45.79
5426	NASDAQ	CRVL	Fri, Dec 6, 2013	46.75	47.33	44.94	46.16
5425	NASDAQ	CRVL	Thu, Dec 5, 2013	45.89	46.52	45.88	46.26
5424	NASDAQ	CRVL	Wed, Dec 4, 2013	45.66	46.31	45.50	45.80
5423	NASDAQ	CRVL	Tue, Dec 3, 2013	45.08	46.49	44.94	45.66
5422	NASDAQ	CRVL	Mon, Dec 2, 2013	46.25	46.71	44.70	45.27
5421	NASDAQ	CRVL	Fri, Nov 29, 2013	45.83	46.47	45.82	46.29
5420	NASDAQ	CRVL	Wed, Nov 27, 2013	44.87	45.67	44.17	45.53
5419	NASDAQ	CRVL	Tue, Nov 26, 2013	43.63	45.17	43.63	44.72
5418	NASDAQ	CRVL	Mon, Nov 25, 2013	43.57	43.99	40.66	43.70
5417	NASDAQ	CRVL	Fri, Nov 22, 2013	43.33	44.32	42.40	43.63
5416	NASDAQ	CRVL	Thu, Nov 21, 2013	42.01	43.54	41.72	43.25
5415	NASDAQ	CRVL	Wed, Nov 20, 2013	41.09	42.00	40.31	41.69
5414	NASDAQ	CRVL	Tue, Nov 19, 2013	41.49	41.90	40.93	41.05
5413	NASDAQ	CRVL	Mon, Nov 18, 2013	41.84	41.97	41.17	41.39
5412	NASDAQ	CRVL	Fri, Nov 15, 2013	40.94	41.74	40.73	41.60
5411	NASDAQ	CRVL	Thu, Nov 14, 2013	40.78	41.27	40.33	41.06
5410	NASDAQ	CRVL	Wed, Nov 13, 2013	40.74	40.80	40.08	40.67
5409	NASDAQ	CRVL	Tue, Nov 12, 2013	40.00	41.47	40.00	41.11
5408	NASDAQ	CRVL	Mon, Nov 11, 2013	40.20	40.30	40.00	40.11
5407	NASDAQ	CRVL	Fri, Nov 8, 2013	39.15	40.56	39.00	40.40
5406	NASDAQ	CRVL	Thu, Nov 7, 2013	40.21	40.65	39.07	39.20
5405	NASDAQ	CRVL	Wed, Nov 6, 2013	40.74	40.96	40.00	40.24
5404	NASDAQ	CRVL	Tue, Nov 5, 2013	40.16	40.69	40.01	40.38
5403	NASDAQ	CRVL	Mon, Nov 4, 2013	40.18	40.45	39.04	40.24
5402	NASDAQ	CRVL	Fri, Nov 1, 2013	41.53	41.96	39.88	40.17
5401	NASDAQ	CRVL	Thu, Oct 31, 2013	42.89	42.81	41.36	41.60
5400	NASDAQ	CRVL	Wed, Oct 30, 2013	43.15	43.48	42.00	42.74
5399	NASDAQ	CRVL	Tue, Oct 29, 2013	44.01	44.77	42.59	43.01
5398	NASDAQ	CRVL	Mon, Oct 28, 2013	42.27	43.47	41.93	43.47
5397	NASDAQ	CRVL	Fri, Oct 25, 2013	41.68	42.28	41.58	42.06
5396	NASDAQ	CRVL	Thu, Oct 24, 2013	41.39	42.09	40.84	41.77
5395	NASDAQ	CRVL	Wed, Oct 23, 2013	41.89	44.50	41.03	41.09
5394	NASDAQ	CRVL	Tue, Oct 22, 2013	41.21	42.14	41.21	41.79
5393	NASDAQ	CRVL	Mon, Oct 21, 2013	40.17	41.99	40.02	40.91
5392	NASDAQ	CRVL	Fri, Oct 18, 2013	40.10	40.46	39.68	40.00
5391	NASDAQ	CRVL	Thu, Oct 17, 2013	38.59	39.95	38.55	39.77
5390	NASDAQ	CRVL	Wed, Oct 16, 2013	39.32	39.40	38.65	38.81
5389	NASDAQ	CRVL	Tue, Oct 15, 2013	38.01	39.53	37.73	38.94
5388	NASDAQ	CRVL	Mon, Oct 14, 2013	37.91	38.18	37.65	38.00
5387	NASDAQ	CRVL	Fri, Oct 11, 2013	38.03	38.13	37.63	37.98
5386	NASDAQ	CRVL	Thu, Oct 10, 2013	37.57	38.16	37.57	38.00
5385	NASDAQ	CRVL	Wed, Oct 9, 2013	37.22	37.78	36.53	36.98
5384	NASDAQ	CRVL	Tue, Oct 8, 2013	36.98	37.66	36.22	37.20
5383	NASDAQ	CRVL	Mon, Oct 7, 2013	37.10	37.73	36.30	37.09
5382	NASDAQ	CRVL	Fri, Oct 4, 2013	36.78	37.97	36.78	37.35
5381	NASDAQ	CRVL	Thu, Oct 3, 2013	37.21	37.87	36.50	36.87
5380	NASDAQ	CRVL	Wed, Oct 2, 2013	37.83	39.56	36.15	37.39
5379	NASDAQ	CRVL	Tue, Oct 1, 2013	36.85	38.34	36.81	38.12
5378	NASDAQ	CRVL	Mon, Sep 30, 2013	36.16	37.19	34.63	36.97
5377	NASDAQ	CRVL	Fri, Sep 27, 2013	36.73	36.74	36.26	36.65
5376	NASDAQ	CRVL	Thu, Sep 26, 2013	35.83	37.07	35.83	37.04
5375	NASDAQ	CRVL	Wed, Sep 25, 2013	35.92	36.09	34.93	35.83
5374	NASDAQ	CRVL	Tue, Sep 24, 2013	36.00	36.47	35.72	35.98
5373	NASDAQ	CRVL	Mon, Sep 23, 2013	35.95	36.38	35.64	36.00
5372	NASDAQ	CRVL	Fri, Sep 20, 2013	35.67	36.12	35.59	35.82
5371	NASDAQ	CRVL	Thu, Sep 19, 2013	35.67	35.91	35.27	35.65
5370	NASDAQ	CRVL	Wed, Sep 18, 2013	35.63	36.00	34.85	35.47
5369	NASDAQ	CRVL	Tue, Sep 17, 2013	34.77	35.60	34.25	35.52
5368	NASDAQ	CRVL	Mon, Sep 16, 2013	36.00	36.00	34.84	34.96
5367	NASDAQ	CRVL	Fri, Sep 13, 2013	35.18	35.91	35.18	35.63
5366	NASDAQ	CRVL	Thu, Sep 12, 2013	35.53	35.93	34.73	34.99
5365	NASDAQ	CRVL	Wed, Sep 11, 2013	35.13	36.00	35.13	35.65
5364	NASDAQ	CRVL	Tue, Sep 10, 2013	34.87	35.36	34.60	35.17
5363	NASDAQ	CRVL	Mon, Sep 9, 2013	34.90	34.99	34.57	34.71
5362	NASDAQ	CRVL	Fri, Sep 6, 2013	35.04	35.38	34.21	34.72
5361	NASDAQ	CRVL	Thu, Sep 5, 2013	34.30	35.27	34.30	34.89
5360	NASDAQ	CRVL	Wed, Sep 4, 2013	34.71	34.74	33.70	34.38
5359	NASDAQ	CRVL	Tue, Sep 3, 2013	33.48	34.98	33.48	34.71
5358	NASDAQ	CRVL	Fri, Aug 30, 2013	33.90	34.64	32.89	32.94
5357	NASDAQ	CRVL	Thu, Aug 29, 2013	33.47	34.52	33.60	34.04
5356	NASDAQ	CRVL	Wed, Aug 28, 2013	33.23	33.87	33.22	33.61
5355	NASDAQ	CRVL	Tue, Aug 27, 2013	33.26	33.78	33.12	33.32
5354	NASDAQ	CRVL	Mon, Aug 26, 2013	33.96	34.02	33.40	33.64
5353	NASDAQ	CRVL	Fri, Aug 23, 2013	34.41	34.41	33.83	33.98
5352	NASDAQ	CRVL	Thu, Aug 22, 2013	33.91	34.46	33.60	34.45
5351	NASDAQ	CRVL	Wed, Aug 21, 2013	33.83	34.83	33.72	33.82
5350	NASDAQ	CRVL	Tue, Aug 20, 2013	33.89	34.15	33.85	34.03
5349	NASDAQ	CRVL	Mon, Aug 19, 2013	34.09	34.10	33.70	33.94
5348	NASDAQ	CRVL	Fri, Aug 16, 2013	34.22	34.36	33.83	33.98
5347	NASDAQ	CRVL	Thu, Aug 15, 2013	35.37	35.47	34.35	34.49
5346	NASDAQ	CRVL	Wed, Aug 14, 2013	36.00	36.00	35.66	35.69
5345	NASDAQ	CRVL	Tue, Aug 13, 2013	36.00	36.00	35.80	36.00
5344	NASDAQ	CRVL	Mon, Aug 12, 2013	35.91	36.04	35.86	35.92
5343	NASDAQ	CRVL	Fri, Aug 9, 2013	35.71	36.15	35.34	35.81
5342	NASDAQ	CRVL	Thu, Aug 8, 2013	36.00	36.00	35.78	35.94
5341	NASDAQ	CRVL	Wed, Aug 7, 2013	35.56	36.26	35.56	35.84
5340	NASDAQ	CRVL	Tue, Aug 6, 2013	36.25	36.25	35.22	36.00
5339	NASDAQ	CRVL	Mon, Aug 5, 2013	35.25	37.29	34.76	36.26
5338	NASDAQ	CRVL	Fri, Aug 2, 2013	34.75	35.50	34.60	35.24
5337	NASDAQ	CRVL	Thu, Aug 1, 2013	34.10	34.87	33.92	34.77
5336	NASDAQ	CRVL	Wed, Jul 31, 2013	32.57	34.43	32.57	33.89
5335	NASDAQ	CRVL	Tue, Jul 30, 2013	30.70	32.70	30.70	32.58
5334	NASDAQ	CRVL	Mon, Jul 29, 2013	31.49	31.63	30.08	30.33
5333	NASDAQ	CRVL	Fri, Jul 26, 2013	31.29	31.77	31.29	31.63
5332	NASDAQ	CRVL	Thu, Jul 25, 2013	31.44	31.88	31.44	31.57
5331	NASDAQ	CRVL	Wed, Jul 24, 2013	31.82	32.11	31.36	31.47
5330	NASDAQ	CRVL	Tue, Jul 23, 2013	31.98	32.40	31.44	31.74
5329	NASDAQ	CRVL	Mon, Jul 22, 2013	31.79	32.35	31.79	31.97
5328	NASDAQ	CRVL	Fri, Jul 19, 2013	31.67	32.10	31.66	31.99
5327	NASDAQ	CRVL	Thu, Jul 18, 2013	31.72	31.87	31.49	31.80
5326	NASDAQ	CRVL	Wed, Jul 17, 2013	31.75	32.00	31.47	31.56
5325	NASDAQ	CRVL	Tue, Jul 16, 2013	31.50	32.05	31.47	31.72
5324	NASDAQ	CRVL	Mon, Jul 15, 2013	31.42	31.77	31.25	31.44
5323	NASDAQ	CRVL	Fri, Jul 12, 2013	31.55	34.29	31.23	31.41
5322	NASDAQ	CRVL	Thu, Jul 11, 2013	31.47	31.50	31.08	31.50
5321	NASDAQ	CRVL	Wed, Jul 10, 2013	31.08	32.01	30.84	31.08
5320	NASDAQ	CRVL	Tue, Jul 9, 2013	30.53	31.21	29.75	31.00
5319	NASDAQ	CRVL	Mon, Jul 8, 2013	30.17	30.79	30.17	30.30
5318	NASDAQ	CRVL	Fri, Jul 5, 2013	30.40	30.60	29.98	30.01
5317	NASDAQ	CRVL	Wed, Jul 3, 2013	29.74	30.24	29.74	29.99
5316	NASDAQ	CRVL	Tue, Jul 2, 2013	29.28	30.15	29.68	30.00
5315	NASDAQ	CRVL	Mon, Jul 1, 2013	29.30	29.87	29.17	29.38
5314	NASDAQ	CRVL	Fri, Jun 28, 2013	28.99	29.77	28.76	29.27
5313	NASDAQ	CRVL	Thu, Jun 27, 2013	29.28	29.63	28.94	29.14
5312	NASDAQ	CRVL	Wed, Jun 26, 2013	29.29	29.83	28.93	29.05
5311	NASDAQ	CRVL	Tue, Jun 25, 2013	29.15	29.48	28.46	29.27
5310	NASDAQ	CRVL	Mon, Jun 24, 2013	28.41	29.18	28.41	28.83
5309	NASDAQ	CRVL	Fri, Jun 21, 2013	28.21	28.85	28.16	28.59
5308	NASDAQ	CRVL	Thu, Jun 20, 2013	28.49	28.93	27.96	28.08
5307	NASDAQ	CRVL	Wed, Jun 19, 2013	29.40	30.00	28.88	28.91
5306	NASDAQ	CRVL	Tue, Jun 18, 2013	29.00	29.54	29.00	29.34
5305	NASDAQ	CRVL	Mon, Jun 17, 2013	29.18	29.46	28.65	28.97
5304	NASDAQ	CRVL	Fri, Jun 14, 2013	29.48	29.55	28.76	28.88
5303	NASDAQ	CRVL	Thu, Jun 13, 2013	28.88	29.66	28.77	29.48
5302	NASDAQ	CRVL	Wed, Jun 12, 2013	29.03	29.12	28.46	28.84
5301	NASDAQ	CRVL	Tue, Jun 11, 2013	28.64	29.02	28.64	28.85
5300	NASDAQ	CRVL	Mon, Jun 10, 2013	28.56	29.05	28.56	28.92
5299	NASDAQ	CRVL	Fri, Jun 7, 2013	27.65	28.69	27.61	28.49
5298	NASDAQ	CRVL	Thu, Jun 6, 2013	27.24	27.61	27.09	27.54
5297	NASDAQ	CRVL	Wed, Jun 5, 2013	27.38	27.85	27.10	27.19
5296	NASDAQ	CRVL	Tue, Jun 4, 2013	26.85	27.45	26.77	27.32
5295	NASDAQ	CRVL	Mon, Jun 3, 2013	25.72	27.00	25.72	26.81
5294	NASDAQ	CRVL	Fri, May 31, 2013	25.39	26.19	25.27	25.97
5293	NASDAQ	CRVL	Thu, May 30, 2013	24.95	25.68	24.95	25.59
5292	NASDAQ	CRVL	Wed, May 29, 2013	24.67	24.92	24.46	24.85
5291	NASDAQ	CRVL	Tue, May 28, 2013	24.81	24.98	24.58	24.87
5290	NASDAQ	CRVL	Fri, May 24, 2013	24.43	24.86	24.34	24.53
5289	NASDAQ	CRVL	Thu, May 23, 2013	24.35	24.80	23.76	24.58
5288	NASDAQ	CRVL	Wed, May 22, 2013	24.56	24.97	24.42	24.48
5287	NASDAQ	CRVL	Tue, May 21, 2013	24.62	24.76	24.45	24.61
5286	NASDAQ	CRVL	Mon, May 20, 2013	24.60	24.72	24.43	24.62
5285	NASDAQ	CRVL	Fri, May 17, 2013	24.54	24.70	24.36	24.50
5284	NASDAQ	CRVL	Thu, May 16, 2013	24.49	24.65	24.46	24.50
5283	NASDAQ	CRVL	Wed, May 15, 2013	24.42	24.64	24.41	24.53
5282	NASDAQ	CRVL	Tue, May 14, 2013	24.51	24.62	24.45	24.55
5281	NASDAQ	CRVL	Mon, May 13, 2013	24.67	24.82	24.42	24.54
5280	NASDAQ	CRVL	Fri, May 10, 2013	24.81	24.81	24.63	24.69
5279	NASDAQ	CRVL	Thu, May 9, 2013	24.76	24.97	24.63	24.71
5278	NASDAQ	CRVL	Wed, May 8, 2013	24.57	25.00	24.17	24.98
5277	NASDAQ	CRVL	Tue, May 7, 2013	23.89	24.79	23.89	24.55
5276	NASDAQ	CRVL	Mon, May 6, 2013	24.09	24.26	23.44	24.10
5275	NASDAQ	CRVL	Fri, May 3, 2013	23.30	24.20	23.30	24.05
5274	NASDAQ	CRVL	Thu, May 2, 2013	22.90	23.18	22.58	23.10
5273	NASDAQ	CRVL	Wed, May 1, 2013	23.62	23.73	22.80	22.82
5272	NASDAQ	CRVL	Tue, Apr 30, 2013	23.64	24.01	23.61	23.74
5271	NASDAQ	CRVL	Mon, Apr 29, 2013	23.62	24.08	23.62	23.70
5270	NASDAQ	CRVL	Fri, Apr 26, 2013	24.22	24.22	23.39	23.46
5269	NASDAQ	CRVL	Thu, Apr 25, 2013	24.63	24.73	24.13	24.23
5268	NASDAQ	CRVL	Wed, Apr 24, 2013	24.42	24.89	24.42	24.50
5267	NASDAQ	CRVL	Tue, Apr 23, 2013	24.03	24.53	24.03	24.51
5266	NASDAQ	CRVL	Mon, Apr 22, 2013	23.91	24.09	23.65	23.95
5265	NASDAQ	CRVL	Fri, Apr 19, 2013	23.42	24.07	23.42	23.90
5264	NASDAQ	CRVL	Thu, Apr 18, 2013	23.68	23.99	23.35	23.46
5263	NASDAQ	CRVL	Wed, Apr 17, 2013	23.34	23.99	23.35	23.57
5262	NASDAQ	CRVL	Tue, Apr 16, 2013	23.50	23.64	23.34	23.58
5261	NASDAQ	CRVL	Mon, Apr 15, 2013	24.44	24.44	23.16	23.26
5260	NASDAQ	CRVL	Fri, Apr 12, 2013	24.48	24.89	24.32	24.54
5259	NASDAQ	CRVL	Thu, Apr 11, 2013	24.71	24.81	24.40	24.54
5258	NASDAQ	CRVL	Wed, Apr 10, 2013	24.49	25.10	24.49	24.82
5257	NASDAQ	CRVL	Tue, Apr 9, 2013	24.90	24.91	24.43	24.47
5256	NASDAQ	CRVL	Mon, Apr 8, 2013	24.68	25.00	24.60	24.92
5255	NASDAQ	CRVL	Fri, Apr 5, 2013	24.19	24.70	24.19	24.57
5254	NASDAQ	CRVL	Thu, Apr 4, 2013	24.33	24.56	24.20	24.42
5253	NASDAQ	CRVL	Wed, Apr 3, 2013	24.70	24.86	24.13	24.13
5252	NASDAQ	CRVL	Tue, Apr 2, 2013	24.80	25.00	24.59	24.59
5251	NASDAQ	CRVL	Mon, Apr 1, 2013	24.77	24.99	24.29	24.67
5250	NASDAQ	CRVL	Thu, Mar 28, 2013	24.85	25.00	24.55	24.75
5249	NASDAQ	CRVL	Wed, Mar 27, 2013	24.78	24.97	24.64	24.76
5248	NASDAQ	CRVL	Tue, Mar 26, 2013	24.80	24.95	24.63	24.89
5247	NASDAQ	CRVL	Mon, Mar 25, 2013	24.70	24.81	24.46	24.78
5246	NASDAQ	CRVL	Fri, Mar 22, 2013	24.49	24.86	24.49	24.70
5245	NASDAQ	CRVL	Thu, Mar 21, 2013	24.25	24.62	24.18	24.49
5244	NASDAQ	CRVL	Wed, Mar 20, 2013	24.22	24.61	24.16	24.46
5243	NASDAQ	CRVL	Tue, Mar 19, 2013	24.19	24.30	24.08	24.15
5242	NASDAQ	CRVL	Mon, Mar 18, 2013	24.31	24.54	24.16	24.17
5241	NASDAQ	CRVL	Fri, Mar 15, 2013	24.35	24.75	24.22	24.50
5240	NASDAQ	CRVL	Thu, Mar 14, 2013	24.30	24.40	24.06	24.33
5239	NASDAQ	CRVL	Wed, Mar 13, 2013	24.11	24.48	24.11	24.24
5238	NASDAQ	CRVL	Tue, Mar 12, 2013	24.22	24.38	24.00	24.12
5237	NASDAQ	CRVL	Mon, Mar 11, 2013	24.30	24.60	24.04	24.31
5236	NASDAQ	CRVL	Fri, Mar 8, 2013	24.47	24.64	24.12	24.40
5235	NASDAQ	CRVL	Thu, Mar 7, 2013	24.05	24.45	24.05	24.35
5234	NASDAQ	CRVL	Wed, Mar 6, 2013	24.23	24.31	24.07	24.14
5233	NASDAQ	CRVL	Tue, Mar 5, 2013	24.18	24.46	24.14	24.24
5232	NASDAQ	CRVL	Mon, Mar 4, 2013	24.08	24.48	23.99	24.27
5231	NASDAQ	CRVL	Fri, Mar 1, 2013	23.78	24.40	23.73	24.24
5230	NASDAQ	CRVL	Thu, Feb 28, 2013	24.16	24.43	23.60	24.02
5229	NASDAQ	CRVL	Wed, Feb 27, 2013	24.04	24.49	23.88	24.15
5228	NASDAQ	CRVL	Tue, Feb 26, 2013	23.35	24.37	23.35	24.03
5227	NASDAQ	CRVL	Mon, Feb 25, 2013	24.47	24.60	23.20	23.23
5226	NASDAQ	CRVL	Fri, Feb 22, 2013	24.00	24.03	23.75	23.90
5225	NASDAQ	CRVL	Thu, Feb 21, 2013	23.41	23.99	23.18	23.86
5224	NASDAQ	CRVL	Wed, Feb 20, 2013	23.86	23.90	23.33	23.40
5223	NASDAQ	CRVL	Tue, Feb 19, 2013	23.76	23.89	23.64	23.89
5222	NASDAQ	CRVL	Fri, Feb 15, 2013	23.51	24.00	23.35	23.79
5221	NASDAQ	CRVL	Thu, Feb 14, 2013	23.08	23.50	23.08	23.44
5220	NASDAQ	CRVL	Wed, Feb 13, 2013	23.26	23.50	22.90	23.11
5219	NASDAQ	CRVL	Tue, Feb 12, 2013	23.57	23.57	23.21	23.21
5218	NASDAQ	CRVL	Mon, Feb 11, 2013	23.44	23.65	23.29	23.38
5217	NASDAQ	CRVL	Fri, Feb 8, 2013	23.17	23.54	23.17	23.50
5216	NASDAQ	CRVL	Thu, Feb 7, 2013	23.03	23.23	22.95	23.18
5215	NASDAQ	CRVL	Wed, Feb 6, 2013	23.02	23.20	22.88	22.98
5214	NASDAQ	CRVL	Tue, Feb 5, 2013	22.59	22.99	22.58	22.90
5213	NASDAQ	CRVL	Mon, Feb 4, 2013	22.92	22.92	22.34	22.51
5212	NASDAQ	CRVL	Fri, Feb 1, 2013	23.00	23.35	23.00	23.09
5211	NASDAQ	CRVL	Thu, Jan 31, 2013	22.91	23.20	22.67	22.90
5210	NASDAQ	CRVL	Wed, Jan 30, 2013	22.95	23.11	22.65	23.00
5209	NASDAQ	CRVL	Tue, Jan 29, 2013	22.63	23.27	22.49	22.99
5208	NASDAQ	CRVL	Mon, Jan 28, 2013	22.28	22.83	22.28	22.65
5207	NASDAQ	CRVL	Fri, Jan 25, 2013	22.27	22.34	21.95	22.30
5206	NASDAQ	CRVL	Thu, Jan 24, 2013	22.21	22.41	22.02	22.16
5205	NASDAQ	CRVL	Wed, Jan 23, 2013	22.20	22.35	21.99	22.20
5204	NASDAQ	CRVL	Tue, Jan 22, 2013	21.81	22.25	21.81	22.25
5203	NASDAQ	CRVL	Fri, Jan 18, 2013	21.65	22.10	21.65	21.91
5202	NASDAQ	CRVL	Thu, Jan 17, 2013	21.38	21.86	21.29	21.71
5201	NASDAQ	CRVL	Wed, Jan 16, 2013	21.50	21.50	21.30	21.38
5200	NASDAQ	CRVL	Tue, Jan 15, 2013	21.46	21.62	21.41	21.56
5199	NASDAQ	CRVL	Mon, Jan 14, 2013	21.70	21.71	21.46	21.57
5198	NASDAQ	CRVL	Fri, Jan 11, 2013	21.80	21.83	21.66	21.70
5197	NASDAQ	CRVL	Thu, Jan 10, 2013	21.81	21.81	21.54	21.73
5196	NASDAQ	CRVL	Wed, Jan 9, 2013	21.77	21.85	21.66	21.75
5195	NASDAQ	CRVL	Tue, Jan 8, 2013	21.67	21.87	21.57	21.77
5194	NASDAQ	CRVL	Mon, Jan 7, 2013	21.82	22.05	21.82	21.88
5193	NASDAQ	CRVL	Fri, Jan 4, 2013	22.23	22.42	22.00	22.02
5192	NASDAQ	CRVL	Thu, Jan 3, 2013	22.33	22.50	22.01	22.17
5191	NASDAQ	CRVL	Wed, Jan 2, 2013	22.85	22.85	22.24	22.38
5190	NASDAQ	CRVL	Mon, Dec 31, 2012	22.01	22.86	21.85	22.42
5189	NASDAQ	CRVL	Fri, Dec 28, 2012	22.13	22.44	21.86	21.92
5188	NASDAQ	CRVL	Thu, Dec 27, 2012	21.85	22.50	21.62	22.26
5187	NASDAQ	CRVL	Wed, Dec 26, 2012	21.86	22.03	21.53	21.84
5186	NASDAQ	CRVL	Mon, Dec 24, 2012	21.63	22.10	21.58	21.75
5185	NASDAQ	CRVL	Fri, Dec 21, 2012	21.87	21.91	20.82	21.66
5184	NASDAQ	CRVL	Thu, Dec 20, 2012	21.77	21.90	21.68	21.88
5183	NASDAQ	CRVL	Wed, Dec 19, 2012	21.60	21.99	21.47	21.81
5182	NASDAQ	CRVL	Tue, Dec 18, 2012	20.96	21.68	20.96	21.67
5181	NASDAQ	CRVL	Mon, Dec 17, 2012	21.03	21.39	20.92	20.98
5180	NASDAQ	CRVL	Fri, Dec 14, 2012	21.12	21.25	20.96	21.02
5179	NASDAQ	CRVL	Thu, Dec 13, 2012	21.24	21.24	21.08	21.15
5178	NASDAQ	CRVL	Wed, Dec 12, 2012	21.11	21.25	21.08	21.10
5177	NASDAQ	CRVL	Tue, Dec 11, 2012	21.30	21.40	21.12	21.15
5176	NASDAQ	CRVL	Mon, Dec 10, 2012	21.23	21.53	20.97	21.15
5175	NASDAQ	CRVL	Fri, Dec 7, 2012	21.31	21.31	21.17	21.20
5174	NASDAQ	CRVL	Thu, Dec 6, 2012	21.18	21.30	21.14	21.20
5173	NASDAQ	CRVL	Wed, Dec 5, 2012	21.12	21.25	21.00	21.13
5172	NASDAQ	CRVL	Tue, Dec 4, 2012	21.14	21.24	20.83	21.08
5171	NASDAQ	CRVL	Mon, Dec 3, 2012	21.17	21.46	20.98	21.10
5170	NASDAQ	CRVL	Fri, Nov 30, 2012	21.35	21.35	20.92	20.98
5169	NASDAQ	CRVL	Thu, Nov 29, 2012	21.53	21.58	21.16	21.25
5168	NASDAQ	CRVL	Wed, Nov 28, 2012	21.34	21.53	21.24	21.42
5167	NASDAQ	CRVL	Tue, Nov 27, 2012	21.58	21.69	21.34	21.38
5166	NASDAQ	CRVL	Mon, Nov 26, 2012	21.51	21.65	21.41	21.56
5165	NASDAQ	CRVL	Fri, Nov 23, 2012	21.75	21.80	21.27	21.65
5164	NASDAQ	CRVL	Wed, Nov 21, 2012	21.47	21.72	21.33	21.63
5163	NASDAQ	CRVL	Tue, Nov 20, 2012	21.60	21.65	21.18	21.48
5162	NASDAQ	CRVL	Mon, Nov 19, 2012	21.44	21.85	21.36	21.62
5161	NASDAQ	CRVL	Fri, Nov 16, 2012	21.00	21.25	21.00	21.22
5160	NASDAQ	CRVL	Thu, Nov 15, 2012	21.04	21.22	20.91	21.07
5159	NASDAQ	CRVL	Wed, Nov 14, 2012	21.20	21.25	20.88	20.94
5158	NASDAQ	CRVL	Tue, Nov 13, 2012	21.14	21.49	21.00	21.14
5157	NASDAQ	CRVL	Mon, Nov 12, 2012	21.04	21.30	20.69	21.21
5156	NASDAQ	CRVL	Fri, Nov 9, 2012	20.36	20.88	20.28	20.64
5155	NASDAQ	CRVL	Thu, Nov 8, 2012	20.73	20.76	20.16	20.50
5154	NASDAQ	CRVL	Wed, Nov 7, 2012	21.10	21.13	20.67	20.68
5153	NASDAQ	CRVL	Tue, Nov 6, 2012	21.28	21.50	21.28	21.30
5152	NASDAQ	CRVL	Mon, Nov 5, 2012	21.23	21.59	21.18	21.22
5151	NASDAQ	CRVL	Fri, Nov 2, 2012	21.67	21.69	21.01	21.20
5150	NASDAQ	CRVL	Thu, Nov 1, 2012	21.40	21.75	21.40	21.61
5149	NASDAQ	CRVL	Wed, Oct 31, 2012	21.64	21.71	21.00	21.27
5148	NASDAQ	CRVL	Fri, Oct 26, 2012	21.75	21.93	21.48	21.73
5147	NASDAQ	CRVL	Thu, Oct 25, 2012	21.72	21.82	21.56	21.72
5146	NASDAQ	CRVL	Wed, Oct 24, 2012	21.66	21.66	21.30	21.62
5145	NASDAQ	CRVL	Tue, Oct 23, 2012	21.52	21.68	20.79	21.63
5144	NASDAQ	CRVL	Mon, Oct 22, 2012	22.02	22.02	21.65	21.65
5143	NASDAQ	CRVL	Fri, Oct 19, 2012	21.68	22.05	21.54	21.82
5142	NASDAQ	CRVL	Thu, Oct 18, 2012	22.19	22.48	21.74	21.74
5141	NASDAQ	CRVL	Wed, Oct 17, 2012	22.46	22.51	22.13	22.32
5140	NASDAQ	CRVL	Tue, Oct 16, 2012	22.23	22.43	22.23	22.43
5139	NASDAQ	CRVL	Mon, Oct 15, 2012	22.37	22.50	22.16	22.42
5138	NASDAQ	CRVL	Fri, Oct 12, 2012	22.23	22.39	22.14	22.28
5137	NASDAQ	CRVL	Thu, Oct 11, 2012	22.06	22.29	22.02	22.21
5136	NASDAQ	CRVL	Wed, Oct 10, 2012	21.72	22.03	21.72	21.97
5135	NASDAQ	CRVL	Tue, Oct 9, 2012	21.84	21.93	21.60	21.69
5134	NASDAQ	CRVL	Mon, Oct 8, 2012	21.78	22.21	21.78	21.89
5133	NASDAQ	CRVL	Fri, Oct 5, 2012	22.45	22.47	21.80	21.90
5132	NASDAQ	CRVL	Thu, Oct 4, 2012	22.43	22.43	22.10	22.41
5131	NASDAQ	CRVL	Wed, Oct 3, 2012	22.50	22.56	22.27	22.30
5130	NASDAQ	CRVL	Tue, Oct 2, 2012	22.70	22.70	22.26	22.41
5129	NASDAQ	CRVL	Mon, Oct 1, 2012	22.43	22.60	22.15	22.58
5128	NASDAQ	CRVL	Fri, Sep 28, 2012	22.36	22.50	21.76	22.38
5127	NASDAQ	CRVL	Thu, Sep 27, 2012	22.41	22.51	22.20	22.49
5126	NASDAQ	CRVL	Wed, Sep 26, 2012	22.65	22.65	22.19	22.41
5125	NASDAQ	CRVL	Tue, Sep 25, 2012	22.58	23.29	22.48	22.48
5124	NASDAQ	CRVL	Mon, Sep 24, 2012	22.18	22.86	22.18	22.51
5123	NASDAQ	CRVL	Fri, Sep 21, 2012	22.56	22.75	22.36	22.49
5122	NASDAQ	CRVL	Thu, Sep 20, 2012	22.30	22.56	22.18	22.25
5121	NASDAQ	CRVL	Wed, Sep 19, 2012	22.55	22.60	22.37	22.49
5120	NASDAQ	CRVL	Tue, Sep 18, 2012	22.56	22.66	22.32	22.47
5119	NASDAQ	CRVL	Mon, Sep 17, 2012	22.35	22.61	22.18	22.49
5118	NASDAQ	CRVL	Fri, Sep 14, 2012	22.26	22.66	22.13	22.47
5117	NASDAQ	CRVL	Thu, Sep 13, 2012	22.40	22.72	22.40	22.50
5116	NASDAQ	CRVL	Wed, Sep 12, 2012	22.70	22.70	22.18	22.37
5115	NASDAQ	CRVL	Tue, Sep 11, 2012	23.24	23.24	22.31	22.51
5114	NASDAQ	CRVL	Mon, Sep 10, 2012	22.67	22.99	22.41	22.47
5113	NASDAQ	CRVL	Fri, Sep 7, 2012	23.15	23.15	22.62	22.85
5112	NASDAQ	CRVL	Thu, Sep 6, 2012	22.31	23.23	22.31	23.17
5111	NASDAQ	CRVL	Wed, Sep 5, 2012	22.08	22.53	21.88	22.27
5110	NASDAQ	CRVL	Tue, Sep 4, 2012	22.03	22.23	21.63	22.20
5109	NASDAQ	CRVL	Fri, Aug 31, 2012	22.21	22.28	21.66	21.90
5108	NASDAQ	CRVL	Thu, Aug 30, 2012	22.03	22.39	21.81	21.96
5107	NASDAQ	CRVL	Wed, Aug 29, 2012	22.42	22.62	22.13	22.28
5106	NASDAQ	CRVL	Tue, Aug 28, 2012	22.23	22.52	22.04	22.50
5105	NASDAQ	CRVL	Mon, Aug 27, 2012	22.40	22.40	21.97	22.32
5104	NASDAQ	CRVL	Fri, Aug 24, 2012	22.28	22.64	22.05	22.20
5103	NASDAQ	CRVL	Thu, Aug 23, 2012	22.46	22.76	22.38	22.38
5102	NASDAQ	CRVL	Wed, Aug 22, 2012	22.36	22.63	22.36	22.51
5101	NASDAQ	CRVL	Tue, Aug 21, 2012	22.51	22.90	22.39	22.50
5100	NASDAQ	CRVL	Mon, Aug 20, 2012	22.34	22.87	22.06	22.52
5099	NASDAQ	CRVL	Fri, Aug 17, 2012	22.31	23.10	21.93	22.45
5098	NASDAQ	CRVL	Thu, Aug 16, 2012	22.29	22.64	21.90	22.43
5097	NASDAQ	CRVL	Wed, Aug 15, 2012	22.07	22.64	22.06	22.27
5096	NASDAQ	CRVL	Tue, Aug 14, 2012	22.45	22.80	21.85	22.03
5095	NASDAQ	CRVL	Mon, Aug 13, 2012	22.24	22.58	21.79	22.48
5094	NASDAQ	CRVL	Fri, Aug 10, 2012	22.74	22.85	22.55	22.59
5093	NASDAQ	CRVL	Thu, Aug 9, 2012	22.88	23.15	22.66	22.67
5092	NASDAQ	CRVL	Wed, Aug 8, 2012	23.15	23.23	22.97	22.99
5091	NASDAQ	CRVL	Tue, Aug 7, 2012	23.88	24.12	23.40	23.43
5090	NASDAQ	CRVL	Mon, Aug 6, 2012	23.64	24.30	23.22	23.75
5089	NASDAQ	CRVL	Fri, Aug 3, 2012	22.39	23.72	22.13	23.49
5088	NASDAQ	CRVL	Thu, Aug 2, 2012	22.00	22.27	21.72	22.07
5087	NASDAQ	CRVL	Wed, Aug 1, 2012	23.17	23.36	22.12	22.12
5086	NASDAQ	CRVL	Tue, Jul 31, 2012	23.22	23.99	22.87	23.07
5085	NASDAQ	CRVL	Mon, Jul 30, 2012	23.77	23.93	23.65	23.67
5084	NASDAQ	CRVL	Fri, Jul 27, 2012	22.64	23.94	22.40	23.82
5083	NASDAQ	CRVL	Thu, Jul 26, 2012	22.08	22.82	22.08	22.48
5082	NASDAQ	CRVL	Wed, Jul 25, 2012	21.77	22.32	21.46	22.01
5081	NASDAQ	CRVL	Tue, Jul 24, 2012	22.41	22.41	21.47	21.58
5080	NASDAQ	CRVL	Mon, Jul 23, 2012	22.41	22.58	22.23	22.29
5079	NASDAQ	CRVL	Fri, Jul 20, 2012	23.44	23.52	22.75	22.78
5078	NASDAQ	CRVL	Thu, Jul 19, 2012	24.57	24.73	23.62	23.75
5077	NASDAQ	CRVL	Wed, Jul 18, 2012	24.45	24.87	24.22	24.38
5076	NASDAQ	CRVL	Tue, Jul 17, 2012	24.50	24.56	24.13	24.47
5075	NASDAQ	CRVL	Mon, Jul 16, 2012	24.29	24.48	23.97	24.34
5074	NASDAQ	CRVL	Fri, Jul 13, 2012	24.07	24.44	23.86	24.28
5073	NASDAQ	CRVL	Thu, Jul 12, 2012	23.74	24.15	23.74	24.03
5072	NASDAQ	CRVL	Wed, Jul 11, 2012	24.46	24.58	23.91	24.07
5071	NASDAQ	CRVL	Tue, Jul 10, 2012	24.38	24.48	24.11	24.13
5070	NASDAQ	CRVL	Mon, Jul 9, 2012	24.55	24.55	24.07	24.41
5069	NASDAQ	CRVL	Fri, Jul 6, 2012	24.73	25.08	24.15	24.45
5068	NASDAQ	CRVL	Thu, Jul 5, 2012	25.43	25.45	24.57	25.05
5067	NASDAQ	CRVL	Tue, Jul 3, 2012	24.88	25.68	24.85	25.60
5066	NASDAQ	CRVL	Mon, Jul 2, 2012	24.68	25.00	24.10	24.95
5065	NASDAQ	CRVL	Fri, Jun 29, 2012	24.29	24.92	23.76	24.50
5064	NASDAQ	CRVL	Thu, Jun 28, 2012	23.37	24.00	23.37	23.94
5063	NASDAQ	CRVL	Wed, Jun 27, 2012	23.68	23.82	23.25	23.55
5062	NASDAQ	CRVL	Tue, Jun 26, 2012	23.39	23.62	23.16	23.61
5061	NASDAQ	CRVL	Mon, Jun 25, 2012	22.82	23.84	22.70	23.06
5060	NASDAQ	CRVL	Fri, Jun 22, 2012	22.40	23.24	22.40	23.17
5059	NASDAQ	CRVL	Thu, Jun 21, 2012	23.08	23.08	22.13	22.26
5058	NASDAQ	CRVL	Wed, Jun 20, 2012	22.82	23.23	22.70	23.01
5057	NASDAQ	CRVL	Tue, Jun 19, 2012	22.94	23.23	22.65	23.21
5056	NASDAQ	CRVL	Mon, Jun 18, 2012	23.06	23.28	22.57	22.77
5055	NASDAQ	CRVL	Fri, Jun 15, 2012	22.96	23.23	22.25	23.13
5054	NASDAQ	CRVL	Thu, Jun 14, 2012	22.58	23.00	22.58	22.96
5053	NASDAQ	CRVL	Wed, Jun 13, 2012	22.42	22.98	22.21	22.46
5052	NASDAQ	CRVL	Tue, Jun 12, 2012	21.98	22.77	21.63	22.52
5051	NASDAQ	CRVL	Mon, Jun 11, 2012	22.50	22.50	21.73	21.83
5050	NASDAQ	CRVL	Fri, Jun 8, 2012	21.79	22.50	21.79	22.45
5049	NASDAQ	CRVL	Thu, Jun 7, 2012	22.55	22.70	21.77	21.97
5048	NASDAQ	CRVL	Wed, Jun 6, 2012	21.97	22.35	21.33	22.35
5047	NASDAQ	CRVL	Tue, Jun 5, 2012	21.11	22.07	21.11	21.67
5046	NASDAQ	CRVL	Mon, Jun 4, 2012	20.70	21.73	20.70	21.27
5045	NASDAQ	CRVL	Fri, Jun 1, 2012	21.67	21.67	20.52	20.54
5044	NASDAQ	CRVL	Thu, May 31, 2012	21.51	22.22	21.28	22.22
5043	NASDAQ	CRVL	Wed, May 30, 2012	21.19	21.57	20.41	21.43
5042	NASDAQ	CRVL	Tue, May 29, 2012	21.99	22.00	21.25	21.64
5041	NASDAQ	CRVL	Fri, May 25, 2012	21.43	21.92	21.43	21.85
5040	NASDAQ	CRVL	Thu, May 24, 2012	21.00	21.44	20.75	21.44
5039	NASDAQ	CRVL	Wed, May 23, 2012	20.80	21.00	20.75	21.00
5038	NASDAQ	CRVL	Tue, May 22, 2012	20.74	20.95	20.70	20.90
5037	NASDAQ	CRVL	Mon, May 21, 2012	20.31	20.99	20.31	20.80
5036	NASDAQ	CRVL	Fri, May 18, 2012	20.73	21.00	20.62	20.63
5035	NASDAQ	CRVL	Thu, May 17, 2012	20.72	21.07	20.57	20.80
5034	NASDAQ	CRVL	Wed, May 16, 2012	20.75	21.19	20.11	20.79
5033	NASDAQ	CRVL	Tue, May 15, 2012	20.26	20.75	20.26	20.69
5032	NASDAQ	CRVL	Mon, May 14, 2012	19.93	20.49	19.91	20.28
5031	NASDAQ	CRVL	Fri, May 11, 2012	20.18	20.35	19.86	20.19
5030	NASDAQ	CRVL	Thu, May 10, 2012	20.72	20.72	20.09	20.26
5029	NASDAQ	CRVL	Wed, May 9, 2012	20.26	20.76	20.26	20.60
5028	NASDAQ	CRVL	Tue, May 8, 2012	20.15	20.60	20.15	20.58
5027	NASDAQ	CRVL	Mon, May 7, 2012	20.45	20.58	20.11	20.37
5026	NASDAQ	CRVL	Fri, May 4, 2012	20.54	20.54	20.05	20.35
5025	NASDAQ	CRVL	Thu, May 3, 2012	20.66	20.73	20.38	20.53
5024	NASDAQ	CRVL	Wed, May 2, 2012	20.86	20.86	20.56	20.79
5023	NASDAQ	CRVL	Tue, May 1, 2012	21.99	22.00	20.69	20.89
5022	NASDAQ	CRVL	Mon, Apr 30, 2012	21.87	21.98	21.64	21.75
5021	NASDAQ	CRVL	Fri, Apr 27, 2012	21.43	22.00	21.43	21.86
5020	NASDAQ	CRVL	Thu, Apr 26, 2012	21.18	21.87	21.06	21.42
5019	NASDAQ	CRVL	Wed, Apr 25, 2012	21.20	21.49	21.15	21.26
5018	NASDAQ	CRVL	Tue, Apr 24, 2012	20.67	21.25	20.67	20.96
5017	NASDAQ	CRVL	Mon, Apr 23, 2012	20.76	20.97	20.55	20.63
5016	NASDAQ	CRVL	Fri, Apr 20, 2012	20.95	21.18	20.64	21.18
5015	NASDAQ	CRVL	Thu, Apr 19, 2012	20.55	20.80	20.05	20.33
5014	NASDAQ	CRVL	Wed, Apr 18, 2012	21.31	21.93	20.31	20.45
5013	NASDAQ	CRVL	Tue, Apr 17, 2012	21.00	21.68	20.83	21.50
5012	NASDAQ	CRVL	Mon, Apr 16, 2012	20.45	21.00	20.39	20.86
5011	NASDAQ	CRVL	Fri, Apr 13, 2012	20.36	20.44	20.18	20.37
5010	NASDAQ	CRVL	Thu, Apr 12, 2012	20.36	20.74	20.36	20.61
5009	NASDAQ	CRVL	Wed, Apr 11, 2012	20.25	20.36	19.98	20.28
5008	NASDAQ	CRVL	Tue, Apr 10, 2012	20.12	20.30	19.90	20.13
5007	NASDAQ	CRVL	Mon, Apr 9, 2012	20.26	20.38	19.89	20.04
5006	NASDAQ	CRVL	Thu, Apr 5, 2012	20.36	20.60	20.26	20.60
5005	NASDAQ	CRVL	Wed, Apr 4, 2012	20.43	20.59	20.18	20.48
5004	NASDAQ	CRVL	Tue, Apr 3, 2012	20.58	20.82	20.31	20.70
5003	NASDAQ	CRVL	Mon, Apr 2, 2012	19.98	20.92	19.98	20.85
5002	NASDAQ	CRVL	Fri, Mar 30, 2012	19.93	20.07	19.82	19.95
5001	NASDAQ	CRVL	Thu, Mar 29, 2012	20.05	20.32	19.73	19.86
5000	NASDAQ	CRVL	Wed, Mar 28, 2012	20.28	20.46	20.00	20.04
4999	NASDAQ	CRVL	Tue, Mar 27, 2012	20.56	20.82	20.35	20.42
4998	NASDAQ	CRVL	Mon, Mar 26, 2012	20.70	20.78	20.46	20.59
4997	NASDAQ	CRVL	Fri, Mar 23, 2012	20.12	20.48	20.11	20.44
4996	NASDAQ	CRVL	Thu, Mar 22, 2012	20.22	20.29	20.08	20.28
4995	NASDAQ	CRVL	Wed, Mar 21, 2012	20.33	20.49	20.05	20.38
4994	NASDAQ	CRVL	Tue, Mar 20, 2012	20.42	20.48	20.20	20.29
4993	NASDAQ	CRVL	Mon, Mar 19, 2012	20.79	20.92	20.62	20.65
4992	NASDAQ	CRVL	Fri, Mar 16, 2012	20.99	21.00	20.75	20.79
4991	NASDAQ	CRVL	Thu, Mar 15, 2012	21.88	21.88	20.64	20.90
4990	NASDAQ	CRVL	Wed, Mar 14, 2012	22.15	22.23	21.95	21.98
4989	NASDAQ	CRVL	Tue, Mar 13, 2012	22.12	22.26	21.72	22.25
4988	NASDAQ	CRVL	Mon, Mar 12, 2012	22.24	22.32	21.82	21.93
4987	NASDAQ	CRVL	Fri, Mar 9, 2012	22.40	22.63	22.20	22.25
4986	NASDAQ	CRVL	Thu, Mar 8, 2012	22.13	22.51	21.97	22.50
4985	NASDAQ	CRVL	Wed, Mar 7, 2012	22.06	22.17	21.94	22.05
4984	NASDAQ	CRVL	Tue, Mar 6, 2012	22.07	22.38	22.04	22.06
4983	NASDAQ	CRVL	Mon, Mar 5, 2012	21.76	22.41	21.55	22.40
4982	NASDAQ	CRVL	Fri, Mar 2, 2012	22.51	22.62	21.52	21.65
4981	NASDAQ	CRVL	Thu, Mar 1, 2012	22.95	23.24	22.50	22.51
4980	NASDAQ	CRVL	Wed, Feb 29, 2012	23.74	23.80	22.51	22.67
4979	NASDAQ	CRVL	Tue, Feb 28, 2012	23.60	23.91	23.46	23.61
4978	NASDAQ	CRVL	Mon, Feb 27, 2012	23.76	23.88	23.59	23.59
4977	NASDAQ	CRVL	Fri, Feb 24, 2012	24.52	24.52	23.90	23.92
4976	NASDAQ	CRVL	Thu, Feb 23, 2012	24.24	24.58	24.23	24.49
4975	NASDAQ	CRVL	Wed, Feb 22, 2012	24.51	24.70	24.24	24.25
4974	NASDAQ	CRVL	Tue, Feb 21, 2012	24.50	24.67	24.24	24.49
4973	NASDAQ	CRVL	Fri, Feb 17, 2012	24.06	24.73	24.06	24.64
4972	NASDAQ	CRVL	Thu, Feb 16, 2012	23.73	24.31	23.73	24.12
4971	NASDAQ	CRVL	Wed, Feb 15, 2012	23.81	23.90	23.39	23.77
4970	NASDAQ	CRVL	Tue, Feb 14, 2012	24.13	24.14	23.67	23.71
4969	NASDAQ	CRVL	Mon, Feb 13, 2012	24.21	24.28	24.08	24.28
4968	NASDAQ	CRVL	Fri, Feb 10, 2012	23.95	24.23	23.85	23.85
4967	NASDAQ	CRVL	Thu, Feb 9, 2012	24.65	24.65	24.10	24.15
4966	NASDAQ	CRVL	Wed, Feb 8, 2012	24.62	24.75	24.29	24.42
4965	NASDAQ	CRVL	Tue, Feb 7, 2012	24.99	25.21	24.50	24.50
4964	NASDAQ	CRVL	Mon, Feb 6, 2012	25.32	25.47	24.75	24.86
4963	NASDAQ	CRVL	Fri, Feb 3, 2012	25.00	25.69	24.71	25.36
4962	NASDAQ	CRVL	Thu, Feb 2, 2012	24.67	24.87	24.43	24.64
4961	NASDAQ	CRVL	Wed, Feb 1, 2012	24.58	25.00	24.34	24.70
4960	NASDAQ	CRVL	Tue, Jan 31, 2012	24.00	25.20	23.71	24.34
4959	NASDAQ	CRVL	Mon, Jan 30, 2012	26.27	27.12	26.03	26.23
4958	NASDAQ	CRVL	Fri, Jan 27, 2012	25.54	26.74	25.54	26.41
4957	NASDAQ	CRVL	Thu, Jan 26, 2012	25.29	25.81	24.88	25.53
4956	NASDAQ	CRVL	Wed, Jan 25, 2012	24.67	25.17	24.28	25.13
4955	NASDAQ	CRVL	Tue, Jan 24, 2012	24.13	25.07	24.13	24.78
4954	NASDAQ	CRVL	Mon, Jan 23, 2012	24.50	24.50	24.00	24.19
4953	NASDAQ	CRVL	Fri, Jan 20, 2012	23.55	24.37	23.21	24.26
4952	NASDAQ	CRVL	Thu, Jan 19, 2012	25.47	25.58	22.50	23.58
4951	NASDAQ	CRVL	Wed, Jan 18, 2012	25.50	25.51	25.26	25.48
4950	NASDAQ	CRVL	Tue, Jan 17, 2012	26.25	26.25	25.28	25.38
4949	NASDAQ	CRVL	Fri, Jan 13, 2012	25.89	26.15	25.89	26.03
4948	NASDAQ	CRVL	Thu, Jan 12, 2012	26.08	26.30	25.83	26.25
4947	NASDAQ	CRVL	Wed, Jan 11, 2012	26.01	26.24	25.63	26.11
4946	NASDAQ	CRVL	Tue, Jan 10, 2012	25.98	26.37	25.78	26.17
4945	NASDAQ	CRVL	Mon, Jan 9, 2012	26.03	26.05	25.45	25.56
4944	NASDAQ	CRVL	Fri, Jan 6, 2012	25.67	26.22	25.64	25.84
4943	NASDAQ	CRVL	Thu, Jan 5, 2012	25.54	25.80	25.45	25.67
4942	NASDAQ	CRVL	Wed, Jan 4, 2012	25.75	26.05	25.68	25.84
4941	NASDAQ	CRVL	Tue, Jan 3, 2012	26.41	26.42	25.85	26.05
4940	NASDAQ	CRVL	Fri, Dec 30, 2011	26.05	26.40	25.70	25.86
4939	NASDAQ	CRVL	Thu, Dec 29, 2011	25.63	26.40	25.59	26.18
4938	NASDAQ	CRVL	Wed, Dec 28, 2011	25.50	25.64	25.25	25.50
4937	NASDAQ	CRVL	Tue, Dec 27, 2011	25.31	25.72	25.29	25.58
4936	NASDAQ	CRVL	Fri, Dec 23, 2011	25.42	25.42	25.22	25.37
4935	NASDAQ	CRVL	Thu, Dec 22, 2011	25.12	25.51	24.94	25.42
4934	NASDAQ	CRVL	Wed, Dec 21, 2011	24.61	25.13	24.50	25.07
4933	NASDAQ	CRVL	Tue, Dec 20, 2011	24.11	24.72	23.60	24.66
4932	NASDAQ	CRVL	Mon, Dec 19, 2011	22.91	24.08	22.91	23.48
4931	NASDAQ	CRVL	Fri, Dec 16, 2011	21.87	23.00	21.59	22.91
4930	NASDAQ	CRVL	Thu, Dec 15, 2011	21.76	21.91	21.39	21.63
4929	NASDAQ	CRVL	Wed, Dec 14, 2011	21.72	22.05	21.60	21.63
4928	NASDAQ	CRVL	Tue, Dec 13, 2011	22.10	22.24	21.57	21.88
4927	NASDAQ	CRVL	Mon, Dec 12, 2011	21.80	22.11	21.75	22.00
4926	NASDAQ	CRVL	Fri, Dec 9, 2011	22.24	22.43	21.89	22.03
4925	NASDAQ	CRVL	Thu, Dec 8, 2011	22.94	22.94	21.57	22.05
4924	NASDAQ	CRVL	Wed, Dec 7, 2011	23.04	23.30	22.79	23.21
4923	NASDAQ	CRVL	Tue, Dec 6, 2011	23.43	23.43	23.03	23.04
4922	NASDAQ	CRVL	Mon, Dec 5, 2011	24.00	24.07	23.22	23.36
4921	NASDAQ	CRVL	Fri, Dec 2, 2011	24.01	24.01	23.49	23.79
4920	NASDAQ	CRVL	Thu, Dec 1, 2011	23.72	24.14	23.18	23.71
4919	NASDAQ	CRVL	Wed, Nov 30, 2011	22.83	23.95	22.83	23.86
4918	NASDAQ	CRVL	Tue, Nov 29, 2011	22.30	22.30	21.72	22.12
4917	NASDAQ	CRVL	Mon, Nov 28, 2011	22.15	22.35	21.38	22.34
4916	NASDAQ	CRVL	Fri, Nov 25, 2011	22.08	22.20	21.50	21.56
4915	NASDAQ	CRVL	Wed, Nov 23, 2011	22.58	22.69	22.11	22.25
4914	NASDAQ	CRVL	Tue, Nov 22, 2011	23.15	23.15	22.59	22.78
4913	NASDAQ	CRVL	Mon, Nov 21, 2011	23.27	23.72	23.16	23.16
4912	NASDAQ	CRVL	Fri, Nov 18, 2011	23.77	24.21	23.64	23.76
4911	NASDAQ	CRVL	Thu, Nov 17, 2011	24.07	24.29	23.69	23.73
4910	NASDAQ	CRVL	Wed, Nov 16, 2011	24.49	24.83	23.96	23.98
4909	NASDAQ	CRVL	Tue, Nov 15, 2011	24.71	25.00	24.59	24.84
4908	NASDAQ	CRVL	Mon, Nov 14, 2011	25.50	25.50	24.75	24.85
4907	NASDAQ	CRVL	Fri, Nov 11, 2011	25.14	25.69	25.14	25.58
4906	NASDAQ	CRVL	Thu, Nov 10, 2011	25.67	25.67	24.85	24.96
4905	NASDAQ	CRVL	Wed, Nov 9, 2011	25.32	25.84	25.07	25.35
4904	NASDAQ	CRVL	Tue, Nov 8, 2011	26.01	26.30	25.50	26.11
4903	NASDAQ	CRVL	Mon, Nov 7, 2011	25.64	26.15	25.36	25.94
4902	NASDAQ	CRVL	Fri, Nov 4, 2011	26.00	26.12	25.02	25.66
4901	NASDAQ	CRVL	Thu, Nov 3, 2011	26.10	26.57	24.77	26.38
4900	NASDAQ	CRVL	Wed, Nov 2, 2011	25.28	25.91	25.28	25.78
4899	NASDAQ	CRVL	Tue, Nov 1, 2011	24.28	25.75	24.28	25.29
4898	NASDAQ	CRVL	Mon, Oct 31, 2011	26.03	26.64	25.79	25.79
4897	NASDAQ	CRVL	Fri, Oct 28, 2011	26.88	27.32	26.45	26.58
4896	NASDAQ	CRVL	Thu, Oct 27, 2011	25.88	27.23	24.97	26.98
4895	NASDAQ	CRVL	Wed, Oct 26, 2011	24.80	25.35	24.40	25.27
4894	NASDAQ	CRVL	Tue, Oct 25, 2011	25.21	25.30	24.28	24.41
4893	NASDAQ	CRVL	Mon, Oct 24, 2011	24.55	25.54	24.30	25.46
4892	NASDAQ	CRVL	Fri, Oct 21, 2011	24.64	24.75	23.85	24.56
4891	NASDAQ	CRVL	Thu, Oct 20, 2011	24.28	24.44	23.69	24.17
4890	NASDAQ	CRVL	Wed, Oct 19, 2011	24.82	25.01	24.10	24.20
4889	NASDAQ	CRVL	Tue, Oct 18, 2011	24.19	25.00	23.90	24.83
4888	NASDAQ	CRVL	Mon, Oct 17, 2011	24.57	24.94	24.04	24.09
4887	NASDAQ	CRVL	Fri, Oct 14, 2011	24.52	24.95	24.28	24.74
4886	NASDAQ	CRVL	Thu, Oct 13, 2011	23.96	24.62	23.77	24.35
4885	NASDAQ	CRVL	Wed, Oct 12, 2011	24.21	24.49	23.90	24.16
4884	NASDAQ	CRVL	Tue, Oct 11, 2011	23.36	24.22	23.18	24.06
4883	NASDAQ	CRVL	Mon, Oct 10, 2011	22.60	23.67	22.60	23.61
4882	NASDAQ	CRVL	Fri, Oct 7, 2011	22.86	23.00	22.32	22.60
4881	NASDAQ	CRVL	Thu, Oct 6, 2011	22.36	22.84	22.27	22.72
4880	NASDAQ	CRVL	Wed, Oct 5, 2011	21.86	22.59	21.53	22.32
4879	NASDAQ	CRVL	Tue, Oct 4, 2011	20.34	22.22	20.34	21.94
4878	NASDAQ	CRVL	Mon, Oct 3, 2011	21.20	21.86	20.36	20.36
4877	NASDAQ	CRVL	Fri, Sep 30, 2011	21.55	22.15	21.25	21.25
4876	NASDAQ	CRVL	Thu, Sep 29, 2011	21.58	21.92	21.28	21.86
4875	NASDAQ	CRVL	Wed, Sep 28, 2011	21.93	22.02	21.11	21.16
4874	NASDAQ	CRVL	Tue, Sep 27, 2011	22.17	22.39	21.52	21.83
4873	NASDAQ	CRVL	Mon, Sep 26, 2011	21.60	21.78	20.97	21.70
4872	NASDAQ	CRVL	Fri, Sep 23, 2011	21.25	21.69	20.90	21.40
4871	NASDAQ	CRVL	Thu, Sep 22, 2011	20.29	21.32	20.29	21.16
4870	NASDAQ	CRVL	Wed, Sep 21, 2011	21.64	21.81	20.99	21.12
4869	NASDAQ	CRVL	Tue, Sep 20, 2011	22.47	22.64	21.53	21.58
4868	NASDAQ	CRVL	Mon, Sep 19, 2011	22.23	22.44	22.03	22.22
4867	NASDAQ	CRVL	Fri, Sep 16, 2011	22.42	22.75	22.16	22.73
4866	NASDAQ	CRVL	Thu, Sep 15, 2011	22.27	22.42	21.94	22.25
4865	NASDAQ	CRVL	Wed, Sep 14, 2011	22.18	22.50	21.74	22.27
4864	NASDAQ	CRVL	Tue, Sep 13, 2011	21.73	22.08	21.46	22.05
4863	NASDAQ	CRVL	Mon, Sep 12, 2011	20.80	21.76	20.80	21.65
4862	NASDAQ	CRVL	Fri, Sep 9, 2011	21.47	21.52	20.94	21.22
4861	NASDAQ	CRVL	Thu, Sep 8, 2011	22.06	22.36	21.52	21.72
4860	NASDAQ	CRVL	Wed, Sep 7, 2011	22.33	22.45	22.01	22.23
4859	NASDAQ	CRVL	Tue, Sep 6, 2011	21.15	22.31	21.15	22.02
4858	NASDAQ	CRVL	Fri, Sep 2, 2011	22.27	22.59	21.76	21.95
4857	NASDAQ	CRVL	Thu, Sep 1, 2011	22.74	23.18	22.43	22.75
4856	NASDAQ	CRVL	Wed, Aug 31, 2011	23.13	23.14	22.31	22.81
4855	NASDAQ	CRVL	Tue, Aug 30, 2011	22.74	23.25	22.52	22.93
4854	NASDAQ	CRVL	Mon, Aug 29, 2011	21.48	23.18	21.48	23.00
4853	NASDAQ	CRVL	Fri, Aug 26, 2011	20.87	21.69	20.23	21.31
4852	NASDAQ	CRVL	Thu, Aug 25, 2011	21.74	21.90	20.70	20.88
4851	NASDAQ	CRVL	Wed, Aug 24, 2011	21.45	21.91	21.35	21.64
4850	NASDAQ	CRVL	Tue, Aug 23, 2011	20.59	21.65	20.36	21.59
4849	NASDAQ	CRVL	Mon, Aug 22, 2011	20.55	21.33	20.13	20.32
4848	NASDAQ	CRVL	Fri, Aug 19, 2011	19.76	20.49	19.76	20.04
4847	NASDAQ	CRVL	Thu, Aug 18, 2011	20.71	20.73	19.92	20.10
4846	NASDAQ	CRVL	Wed, Aug 17, 2011	21.45	21.73	21.05	21.19
4845	NASDAQ	CRVL	Tue, Aug 16, 2011	21.51	21.87	21.08	21.39
4844	NASDAQ	CRVL	Mon, Aug 15, 2011	20.68	21.86	20.68	21.81
4843	NASDAQ	CRVL	Fri, Aug 12, 2011	21.48	22.16	20.52	20.75
4842	NASDAQ	CRVL	Thu, Aug 11, 2011	20.29	22.12	20.01	21.39
4841	NASDAQ	CRVL	Wed, Aug 10, 2011	20.80	22.37	19.90	20.13
4840	NASDAQ	CRVL	Tue, Aug 9, 2011	19.61	23.03	19.02	21.56
4839	NASDAQ	CRVL	Mon, Aug 8, 2011	20.94	22.15	19.07	19.17
4838	NASDAQ	CRVL	Fri, Aug 5, 2011	22.07	22.79	20.17	21.39
4837	NASDAQ	CRVL	Thu, Aug 4, 2011	22.46	22.98	21.77	21.87
4836	NASDAQ	CRVL	Wed, Aug 3, 2011	22.75	22.94	22.04	22.68
4835	NASDAQ	CRVL	Tue, Aug 2, 2011	23.05	23.73	22.51	22.62
4834	NASDAQ	CRVL	Mon, Aug 1, 2011	23.34	23.49	22.53	23.49
4833	NASDAQ	CRVL	Fri, Jul 29, 2011	23.44	23.46	22.86	23.08
4832	NASDAQ	CRVL	Thu, Jul 28, 2011	23.51	24.20	23.49	23.60
4831	NASDAQ	CRVL	Wed, Jul 27, 2011	24.14	24.14	23.33	23.40
4830	NASDAQ	CRVL	Tue, Jul 26, 2011	24.59	24.83	24.09	24.16
4829	NASDAQ	CRVL	Mon, Jul 25, 2011	24.39	24.83	24.39	24.45
4828	NASDAQ	CRVL	Fri, Jul 22, 2011	24.95	24.95	24.56	24.56
4827	NASDAQ	CRVL	Thu, Jul 21, 2011	24.68	24.95	24.38	24.90
4826	NASDAQ	CRVL	Wed, Jul 20, 2011	25.05	25.05	24.35	24.45
4825	NASDAQ	CRVL	Tue, Jul 19, 2011	24.79	25.19	24.79	25.06
4824	NASDAQ	CRVL	Mon, Jul 18, 2011	24.82	25.37	24.20	24.63
4823	NASDAQ	CRVL	Fri, Jul 15, 2011	24.69	25.22	24.63	24.89
4822	NASDAQ	CRVL	Thu, Jul 14, 2011	25.55	25.55	24.55	24.63
4821	NASDAQ	CRVL	Wed, Jul 13, 2011	24.99	25.77	24.99	25.53
4820	NASDAQ	CRVL	Tue, Jul 12, 2011	24.26	25.21	24.26	24.87
4819	NASDAQ	CRVL	Mon, Jul 11, 2011	24.11	24.98	24.11	24.26
4818	NASDAQ	CRVL	Fri, Jul 8, 2011	24.44	24.77	24.36	24.42
4817	NASDAQ	CRVL	Thu, Jul 7, 2011	24.59	24.83	24.51	24.75
4816	NASDAQ	CRVL	Wed, Jul 6, 2011	24.15	24.83	24.04	24.40
4815	NASDAQ	CRVL	Tue, Jul 5, 2011	23.69	24.13	23.54	24.08
4814	NASDAQ	CRVL	Fri, Jul 1, 2011	23.43	24.27	23.43	23.66
4813	NASDAQ	CRVL	Thu, Jun 30, 2011	23.55	24.07	23.39	23.45
4812	NASDAQ	CRVL	Wed, Jun 29, 2011	23.73	24.28	23.25	23.55
4811	NASDAQ	CRVL	Tue, Jun 28, 2011	23.18	23.62	22.91	23.62
4810	NASDAQ	CRVL	Mon, Jun 27, 2011	22.84	23.44	22.32	23.14
4809	NASDAQ	CRVL	Fri, Jun 24, 2011	23.15	23.15	22.49	22.80
4808	NASDAQ	CRVL	Thu, Jun 23, 2011	22.77	23.14	22.46	23.05
4807	NASDAQ	CRVL	Wed, Jun 22, 2011	23.06	23.67	22.94	22.95
4806	NASDAQ	CRVL	Tue, Jun 21, 2011	22.99	23.27	22.76	23.27
4805	NASDAQ	CRVL	Mon, Jun 20, 2011	23.03	23.13	22.78	22.83
4804	NASDAQ	CRVL	Fri, Jun 17, 2011	23.18	23.39	22.89	23.10
4803	NASDAQ	CRVL	Thu, Jun 16, 2011	22.55	23.07	22.55	23.02
4802	NASDAQ	CRVL	Wed, Jun 15, 2011	22.00	22.63	21.98	22.54
4801	NASDAQ	CRVL	Tue, Jun 14, 2011	21.70	22.05	21.32	22.05
4800	NASDAQ	CRVL	Mon, Jun 13, 2011	22.37	22.37	21.49	21.49
4799	NASDAQ	CRVL	Fri, Jun 10, 2011	22.50	22.60	22.06	22.28
4798	NASDAQ	CRVL	Thu, Jun 9, 2011	22.52	22.80	22.52	22.68
4797	NASDAQ	CRVL	Wed, Jun 8, 2011	22.86	23.16	22.52	22.52
4796	NASDAQ	CRVL	Tue, Jun 7, 2011	23.29	23.45	22.79	22.89
4795	NASDAQ	CRVL	Mon, Jun 6, 2011	24.35	24.49	23.02	23.03
4794	NASDAQ	CRVL	Fri, Jun 3, 2011	24.88	25.10	24.24	24.25
4793	NASDAQ	CRVL	Thu, Jun 2, 2011	24.88	25.04	24.82	24.88
4792	NASDAQ	CRVL	Wed, Jun 1, 2011	26.44	26.44	24.53	24.90
4791	NASDAQ	CRVL	Tue, May 31, 2011	26.02	26.50	25.41	26.47
4790	NASDAQ	CRVL	Fri, May 27, 2011	26.21	26.21	25.17	25.84
4789	NASDAQ	CRVL	Thu, May 26, 2011	25.18	26.18	25.18	26.05
4788	NASDAQ	CRVL	Wed, May 25, 2011	24.59	25.20	24.59	25.12
4787	NASDAQ	CRVL	Tue, May 24, 2011	24.95	24.95	24.71	24.75
4786	NASDAQ	CRVL	Mon, May 23, 2011	24.97	25.19	24.71	24.94
4785	NASDAQ	CRVL	Fri, May 20, 2011	24.78	25.15	24.78	24.97
4784	NASDAQ	CRVL	Thu, May 19, 2011	24.98	25.18	24.93	24.96
4783	NASDAQ	CRVL	Wed, May 18, 2011	24.20	24.94	24.20	24.93
4782	NASDAQ	CRVL	Tue, May 17, 2011	24.39	24.53	23.86	24.32
4781	NASDAQ	CRVL	Mon, May 16, 2011	24.46	24.67	24.42	24.47
4780	NASDAQ	CRVL	Fri, May 13, 2011	24.72	24.83	24.48	24.66
4779	NASDAQ	CRVL	Thu, May 12, 2011	23.88	24.80	23.88	24.78
4778	NASDAQ	CRVL	Wed, May 11, 2011	24.52	24.76	23.97	24.09
4777	NASDAQ	CRVL	Tue, May 10, 2011	22.84	24.64	22.84	24.64
4776	NASDAQ	CRVL	Mon, May 9, 2011	23.83	24.18	21.81	22.68
4775	NASDAQ	CRVL	Fri, May 6, 2011	24.15	24.55	24.14	24.14
4774	NASDAQ	CRVL	Thu, May 5, 2011	24.71	24.71	23.79	23.97
4773	NASDAQ	CRVL	Wed, May 4, 2011	25.16	25.43	24.76	24.78
4772	NASDAQ	CRVL	Tue, May 3, 2011	25.57	25.56	24.99	25.01
4771	NASDAQ	CRVL	Mon, May 2, 2011	25.93	26.02	25.49	25.70
4770	NASDAQ	CRVL	Fri, Apr 29, 2011	26.05	26.07	25.53	25.90
4769	NASDAQ	CRVL	Thu, Apr 28, 2011	25.75	25.99	25.58	25.99
4768	NASDAQ	CRVL	Wed, Apr 27, 2011	25.62	25.91	25.42	25.89
4767	NASDAQ	CRVL	Tue, Apr 26, 2011	25.50	25.90	24.97	25.73
4766	NASDAQ	CRVL	Mon, Apr 25, 2011	25.37	25.54	25.17	25.54
4765	NASDAQ	CRVL	Thu, Apr 21, 2011	25.66	25.66	25.35	25.46
4764	NASDAQ	CRVL	Wed, Apr 20, 2011	25.44	25.66	25.25	25.48
4763	NASDAQ	CRVL	Tue, Apr 19, 2011	25.41	25.59	25.01	25.17
4762	NASDAQ	CRVL	Mon, Apr 18, 2011	25.56	25.66	25.25	25.39
4761	NASDAQ	CRVL	Fri, Apr 15, 2011	25.59	25.87	25.18	25.86
4760	NASDAQ	CRVL	Thu, Apr 14, 2011	25.17	25.70	25.01	25.67
4759	NASDAQ	CRVL	Wed, Apr 13, 2011	25.70	25.71	25.01	25.35
4758	NASDAQ	CRVL	Tue, Apr 12, 2011	26.05	26.26	25.46	25.47
4757	NASDAQ	CRVL	Mon, Apr 11, 2011	26.00	26.26	25.78	26.26
4756	NASDAQ	CRVL	Fri, Apr 8, 2011	26.40	26.40	25.72	25.95
4755	NASDAQ	CRVL	Thu, Apr 7, 2011	26.45	26.46	25.89	26.17
4754	NASDAQ	CRVL	Wed, Apr 6, 2011	26.49	26.51	26.28	26.35
4753	NASDAQ	CRVL	Tue, Apr 5, 2011	26.50	26.50	26.35	26.45
4752	NASDAQ	CRVL	Mon, Apr 4, 2011	26.59	26.61	26.35	26.60
4751	NASDAQ	CRVL	Fri, Apr 1, 2011	26.69	27.10	26.42	26.50
4750	NASDAQ	CRVL	Thu, Mar 31, 2011	26.25	26.64	26.07	26.59
4749	NASDAQ	CRVL	Wed, Mar 30, 2011	26.15	26.67	25.92	26.35
4748	NASDAQ	CRVL	Tue, Mar 29, 2011	25.75	26.21	25.84	26.09
4747	NASDAQ	CRVL	Mon, Mar 28, 2011	25.65	25.88	25.28	25.83
4746	NASDAQ	CRVL	Fri, Mar 25, 2011	25.29	26.00	25.29	25.53
4745	NASDAQ	CRVL	Thu, Mar 24, 2011	25.31	25.51	25.14	25.17
4744	NASDAQ	CRVL	Wed, Mar 23, 2011	25.64	25.64	24.93	25.17
4743	NASDAQ	CRVL	Tue, Mar 22, 2011	25.77	25.99	25.34	25.80
4742	NASDAQ	CRVL	Mon, Mar 21, 2011	25.44	25.88	25.36	25.88
4741	NASDAQ	CRVL	Fri, Mar 18, 2011	24.65	25.34	24.48	25.32
4740	NASDAQ	CRVL	Thu, Mar 17, 2011	24.81	24.96	24.39	24.46
4739	NASDAQ	CRVL	Wed, Mar 16, 2011	25.04	25.11	24.36	24.37
4738	NASDAQ	CRVL	Tue, Mar 15, 2011	24.72	25.34	24.72	24.95
4737	NASDAQ	CRVL	Mon, Mar 14, 2011	25.05	25.60	25.00	25.22
4736	NASDAQ	CRVL	Fri, Mar 11, 2011	25.01	25.39	24.57	25.20
4735	NASDAQ	CRVL	Thu, Mar 10, 2011	25.94	26.10	25.00	25.01
4734	NASDAQ	CRVL	Wed, Mar 9, 2011	25.17	26.20	25.11	26.17
4733	NASDAQ	CRVL	Tue, Mar 8, 2011	24.76	25.45	24.66	25.14
4732	NASDAQ	CRVL	Mon, Mar 7, 2011	24.97	25.00	24.00	24.76
4731	NASDAQ	CRVL	Fri, Mar 4, 2011	24.79	25.00	24.68	25.00
4730	NASDAQ	CRVL	Thu, Mar 3, 2011	24.75	24.91	24.57	24.87
4729	NASDAQ	CRVL	Wed, Mar 2, 2011	24.65	24.90	24.50	24.90
4728	NASDAQ	CRVL	Tue, Mar 1, 2011	24.75	24.75	24.35	24.74
4727	NASDAQ	CRVL	Mon, Feb 28, 2011	24.75	24.75	24.41	24.75
4726	NASDAQ	CRVL	Fri, Feb 25, 2011	24.29	24.70	23.81	24.70
4725	NASDAQ	CRVL	Thu, Feb 24, 2011	23.55	24.40	23.37	24.32
4724	NASDAQ	CRVL	Wed, Feb 23, 2011	23.94	24.44	23.32	23.40
4723	NASDAQ	CRVL	Tue, Feb 22, 2011	24.27	24.61	23.94	23.96
4722	NASDAQ	CRVL	Fri, Feb 18, 2011	24.33	24.67	24.22	24.50
4721	NASDAQ	CRVL	Thu, Feb 17, 2011	23.71	24.44	23.50	24.17
4720	NASDAQ	CRVL	Wed, Feb 16, 2011	23.77	24.05	23.49	23.84
4719	NASDAQ	CRVL	Tue, Feb 15, 2011	24.18	24.27	23.62	23.76
4718	NASDAQ	CRVL	Mon, Feb 14, 2011	23.83	24.36	23.70	24.36
4717	NASDAQ	CRVL	Fri, Feb 11, 2011	23.36	23.95	23.28	23.83
4716	NASDAQ	CRVL	Thu, Feb 10, 2011	23.34	23.77	23.24	23.36
4715	NASDAQ	CRVL	Wed, Feb 9, 2011	23.74	23.84	23.09	23.38
4714	NASDAQ	CRVL	Tue, Feb 8, 2011	23.14	23.69	23.14	23.69
4713	NASDAQ	CRVL	Mon, Feb 7, 2011	23.25	23.75	22.99	23.14
4712	NASDAQ	CRVL	Fri, Feb 4, 2011	23.21	23.35	22.88	23.27
4711	NASDAQ	CRVL	Thu, Feb 3, 2011	23.95	24.00	23.24	23.35
4710	NASDAQ	CRVL	Wed, Feb 2, 2011	24.34	24.35	23.80	24.03
4709	NASDAQ	CRVL	Tue, Feb 1, 2011	25.34	25.34	24.16	24.37
4708	NASDAQ	CRVL	Mon, Jan 31, 2011	24.57	25.25	24.50	25.24
4707	NASDAQ	CRVL	Fri, Jan 28, 2011	24.50	25.01	24.40	24.48
4706	NASDAQ	CRVL	Thu, Jan 27, 2011	24.38	24.77	23.99	24.54
4705	NASDAQ	CRVL	Wed, Jan 26, 2011	23.84	24.50	23.64	24.35
4704	NASDAQ	CRVL	Tue, Jan 25, 2011	23.39	24.09	23.16	23.82
4703	NASDAQ	CRVL	Mon, Jan 24, 2011	24.16	24.16	23.46	23.52
4702	NASDAQ	CRVL	Fri, Jan 21, 2011	24.63	24.63	23.88	23.93
4701	NASDAQ	CRVL	Thu, Jan 20, 2011	24.88	24.95	24.38	24.43
4700	NASDAQ	CRVL	Wed, Jan 19, 2011	25.14	25.25	24.85	24.99
4699	NASDAQ	CRVL	Tue, Jan 18, 2011	24.93	25.20	24.75	25.18
4698	NASDAQ	CRVL	Fri, Jan 14, 2011	24.77	25.00	24.71	24.93
4697	NASDAQ	CRVL	Thu, Jan 13, 2011	24.75	24.84	24.68	24.81
4696	NASDAQ	CRVL	Wed, Jan 12, 2011	24.73	24.78	24.62	24.74
4695	NASDAQ	CRVL	Tue, Jan 11, 2011	24.52	24.55	24.44	24.55
4694	NASDAQ	CRVL	Mon, Jan 10, 2011	23.94	24.52	23.94	24.42
4693	NASDAQ	CRVL	Fri, Jan 7, 2011	24.37	24.45	23.85	24.03
4692	NASDAQ	CRVL	Thu, Jan 6, 2011	24.49	24.67	24.24	24.37
4691	NASDAQ	CRVL	Wed, Jan 5, 2011	23.98	24.70	23.40	24.53
4690	NASDAQ	CRVL	Tue, Jan 4, 2011	24.88	24.88	23.95	23.95
4689	NASDAQ	CRVL	Mon, Jan 3, 2011	24.44	25.00	24.44	24.75
4688	NASDAQ	CRVL	Fri, Dec 31, 2010	24.68	24.75	24.15	24.18
4687	NASDAQ	CRVL	Thu, Dec 30, 2010	24.15	24.83	24.15	24.62
4686	NASDAQ	CRVL	Wed, Dec 29, 2010	24.17	24.19	24.08	24.17
4685	NASDAQ	CRVL	Tue, Dec 28, 2010	24.18	24.18	23.78	24.07
4684	NASDAQ	CRVL	Mon, Dec 27, 2010	24.08	24.31	24.08	24.18
4683	NASDAQ	CRVL	Thu, Dec 23, 2010	23.98	24.25	23.98	24.15
4682	NASDAQ	CRVL	Wed, Dec 22, 2010	24.33	24.33	23.98	23.98
4681	NASDAQ	CRVL	Tue, Dec 21, 2010	24.28	24.31	24.03	24.25
4680	NASDAQ	CRVL	Mon, Dec 20, 2010	24.28	24.28	23.93	24.06
4679	NASDAQ	CRVL	Fri, Dec 17, 2010	24.18	24.45	23.93	24.18
4678	NASDAQ	CRVL	Thu, Dec 16, 2010	24.45	24.46	23.89	24.18
4677	NASDAQ	CRVL	Wed, Dec 15, 2010	24.41	24.41	23.95	24.12
4676	NASDAQ	CRVL	Tue, Dec 14, 2010	23.89	24.25	23.88	24.04
4675	NASDAQ	CRVL	Mon, Dec 13, 2010	24.01	24.25	23.71	23.71
4674	NASDAQ	CRVL	Fri, Dec 10, 2010	22.56	24.15	22.56	23.99
4673	NASDAQ	CRVL	Thu, Dec 9, 2010	23.87	24.00	23.53	23.61
4672	NASDAQ	CRVL	Wed, Dec 8, 2010	23.81	23.84	23.22	23.33
4671	NASDAQ	CRVL	Tue, Dec 7, 2010	23.29	23.95	22.89	23.69
4670	NASDAQ	CRVL	Mon, Dec 6, 2010	23.01	23.55	22.91	23.07
4669	NASDAQ	CRVL	Fri, Dec 3, 2010	22.91	23.17	22.75	23.12
4668	NASDAQ	CRVL	Thu, Dec 2, 2010	23.12	23.13	22.73	23.10
4667	NASDAQ	CRVL	Wed, Dec 1, 2010	23.22	23.25	22.98	23.06
4666	NASDAQ	CRVL	Tue, Nov 30, 2010	22.87	23.10	22.65	22.89
4665	NASDAQ	CRVL	Mon, Nov 29, 2010	22.92	23.03	22.45	22.97
4664	NASDAQ	CRVL	Fri, Nov 26, 2010	23.10	23.17	23.03	23.05
4663	NASDAQ	CRVL	Wed, Nov 24, 2010	23.22	23.25	23.05	23.13
4662	NASDAQ	CRVL	Tue, Nov 23, 2010	22.89	23.14	22.66	23.14
4661	NASDAQ	CRVL	Mon, Nov 22, 2010	23.25	23.55	22.47	23.18
4660	NASDAQ	CRVL	Fri, Nov 19, 2010	23.16	23.47	23.02	23.36
4659	NASDAQ	CRVL	Thu, Nov 18, 2010	22.87	23.25	22.48	23.21
4658	NASDAQ	CRVL	Wed, Nov 17, 2010	22.06	22.83	21.85	22.66
4657	NASDAQ	CRVL	Tue, Nov 16, 2010	23.15	23.15	22.76	22.86
4656	NASDAQ	CRVL	Mon, Nov 15, 2010	23.53	23.65	22.96	23.39
4655	NASDAQ	CRVL	Fri, Nov 12, 2010	23.62	23.75	23.45	23.46
4654	NASDAQ	CRVL	Thu, Nov 11, 2010	23.78	24.09	23.62	23.90
4653	NASDAQ	CRVL	Wed, Nov 10, 2010	23.48	24.26	23.14	24.10
4652	NASDAQ	CRVL	Tue, Nov 9, 2010	23.21	23.42	23.01	23.35
4651	NASDAQ	CRVL	Mon, Nov 8, 2010	23.00	23.31	22.91	23.25
4650	NASDAQ	CRVL	Fri, Nov 5, 2010	23.00	23.09	22.75	23.00
4649	NASDAQ	CRVL	Thu, Nov 4, 2010	23.44	23.71	22.95	23.00
4648	NASDAQ	CRVL	Wed, Nov 3, 2010	22.53	23.09	22.53	23.00
4647	NASDAQ	CRVL	Tue, Nov 2, 2010	22.79	23.56	22.79	23.05
4646	NASDAQ	CRVL	Mon, Nov 1, 2010	22.40	22.61	22.21	22.51
4645	NASDAQ	CRVL	Fri, Oct 29, 2010	22.22	22.49	22.21	22.40
4644	NASDAQ	CRVL	Thu, Oct 28, 2010	22.01	22.25	21.89	22.22
4643	NASDAQ	CRVL	Wed, Oct 27, 2010	22.17	22.17	21.90	21.96
4642	NASDAQ	CRVL	Tue, Oct 26, 2010	22.00	22.20	21.78	22.07
4641	NASDAQ	CRVL	Mon, Oct 25, 2010	22.00	22.18	21.96	22.10
4640	NASDAQ	CRVL	Fri, Oct 22, 2010	21.92	22.00	21.79	21.98
4639	NASDAQ	CRVL	Thu, Oct 21, 2010	22.00	22.00	21.45	21.70
4638	NASDAQ	CRVL	Wed, Oct 20, 2010	21.81	22.04	21.80	21.87
4637	NASDAQ	CRVL	Tue, Oct 19, 2010	21.74	22.00	20.93	21.76
4636	NASDAQ	CRVL	Mon, Oct 18, 2010	22.05	22.05	21.85	22.00
4635	NASDAQ	CRVL	Fri, Oct 15, 2010	22.42	22.45	21.66	21.78
4634	NASDAQ	CRVL	Thu, Oct 14, 2010	21.97	22.15	21.61	22.09
4633	NASDAQ	CRVL	Wed, Oct 13, 2010	21.96	22.24	21.82	22.04
4632	NASDAQ	CRVL	Tue, Oct 12, 2010	21.78	21.96	21.59	21.92
4631	NASDAQ	CRVL	Mon, Oct 11, 2010	22.00	22.22	21.71	21.78
4630	NASDAQ	CRVL	Fri, Oct 8, 2010	21.82	22.33	21.71	22.09
4629	NASDAQ	CRVL	Thu, Oct 7, 2010	22.30	22.36	21.85	22.00
4628	NASDAQ	CRVL	Wed, Oct 6, 2010	22.03	22.32	21.92	22.08
4627	NASDAQ	CRVL	Tue, Oct 5, 2010	21.40	22.34	20.32	22.05
4626	NASDAQ	CRVL	Mon, Oct 4, 2010	20.90	21.20	20.77	21.06
4625	NASDAQ	CRVL	Fri, Oct 1, 2010	21.46	21.46	20.76	21.07
4624	NASDAQ	CRVL	Thu, Sep 30, 2010	21.00	21.38	20.92	21.23
4623	NASDAQ	CRVL	Wed, Sep 29, 2010	20.87	21.28	20.75	21.23
4622	NASDAQ	CRVL	Tue, Sep 28, 2010	21.38	21.47	20.55	21.06
4621	NASDAQ	CRVL	Mon, Sep 27, 2010	21.78	21.88	21.05	21.35
4620	NASDAQ	CRVL	Fri, Sep 24, 2010	21.43	21.73	21.22	21.72
4619	NASDAQ	CRVL	Thu, Sep 23, 2010	21.06	21.48	20.97	21.00
4618	NASDAQ	CRVL	Wed, Sep 22, 2010	20.77	21.30	20.77	21.28
4617	NASDAQ	CRVL	Tue, Sep 21, 2010	21.03	21.08	20.52	20.91
4616	NASDAQ	CRVL	Mon, Sep 20, 2010	19.71	21.18	19.71	21.03
4615	NASDAQ	CRVL	Fri, Sep 17, 2010	19.75	19.99	19.60	19.70
4614	NASDAQ	CRVL	Thu, Sep 16, 2010	19.85	20.04	19.52	19.52
4613	NASDAQ	CRVL	Wed, Sep 15, 2010	19.74	19.90	19.32	19.81
4612	NASDAQ	CRVL	Tue, Sep 14, 2010	19.83	19.85	19.43	19.56
4611	NASDAQ	CRVL	Mon, Sep 13, 2010	19.60	19.88	19.32	19.81
4610	NASDAQ	CRVL	Fri, Sep 10, 2010	19.44	19.73	19.23	19.48
4609	NASDAQ	CRVL	Thu, Sep 9, 2010	19.48	19.64	19.04	19.43
4608	NASDAQ	CRVL	Wed, Sep 8, 2010	19.25	19.38	19.01	19.25
4607	NASDAQ	CRVL	Tue, Sep 7, 2010	19.22	19.33	19.05	19.11
4606	NASDAQ	CRVL	Fri, Sep 3, 2010	19.30	19.37	19.00	19.36
4605	NASDAQ	CRVL	Thu, Sep 2, 2010	19.26	19.35	18.66	19.12
4604	NASDAQ	CRVL	Wed, Sep 1, 2010	18.68	19.50	18.53	19.50
4603	NASDAQ	CRVL	Tue, Aug 31, 2010	18.05	18.60	17.87	18.39
4602	NASDAQ	CRVL	Mon, Aug 30, 2010	19.19	19.19	18.16	18.24
4601	NASDAQ	CRVL	Fri, Aug 27, 2010	18.89	19.19	18.69	19.19
4600	NASDAQ	CRVL	Thu, Aug 26, 2010	19.00	19.19	18.61	18.69
4599	NASDAQ	CRVL	Wed, Aug 25, 2010	18.41	18.98	18.35	18.91
4598	NASDAQ	CRVL	Tue, Aug 24, 2010	18.13	18.59	18.13	18.49
4597	NASDAQ	CRVL	Mon, Aug 23, 2010	19.07	19.10	18.34	18.34
4596	NASDAQ	CRVL	Fri, Aug 20, 2010	18.41	18.91	18.40	18.78
4595	NASDAQ	CRVL	Thu, Aug 19, 2010	18.82	18.82	18.41	18.50
4594	NASDAQ	CRVL	Wed, Aug 18, 2010	18.96	19.25	18.66	18.95
4593	NASDAQ	CRVL	Tue, Aug 17, 2010	19.00	19.21	18.80	18.94
4592	NASDAQ	CRVL	Mon, Aug 16, 2010	18.05	18.78	18.05	18.75
4591	NASDAQ	CRVL	Fri, Aug 13, 2010	18.72	18.74	18.18	18.20
4590	NASDAQ	CRVL	Thu, Aug 12, 2010	18.38	19.17	18.38	18.80
4589	NASDAQ	CRVL	Wed, Aug 11, 2010	19.39	19.39	18.60	18.65
4588	NASDAQ	CRVL	Tue, Aug 10, 2010	19.74	19.96	19.23	19.75
4587	NASDAQ	CRVL	Mon, Aug 9, 2010	19.50	20.42	19.50	19.94
4586	NASDAQ	CRVL	Fri, Aug 6, 2010	19.84	20.07	19.04	19.31
4585	NASDAQ	CRVL	Thu, Aug 5, 2010	20.28	20.48	19.62	20.08
4584	NASDAQ	CRVL	Wed, Aug 4, 2010	20.64	20.97	20.36	20.50
4583	NASDAQ	CRVL	Tue, Aug 3, 2010	19.90	20.65	19.90	20.41
4582	NASDAQ	CRVL	Mon, Aug 2, 2010	20.24	20.24	19.74	19.96
4581	NASDAQ	CRVL	Fri, Jul 30, 2010	19.74	20.08	19.74	19.90
4580	NASDAQ	CRVL	Thu, Jul 29, 2010	20.18	20.24	19.67	20.04
4579	NASDAQ	CRVL	Wed, Jul 28, 2010	20.18	20.18	19.79	19.95
4578	NASDAQ	CRVL	Tue, Jul 27, 2010	20.07	20.25	19.91	19.98
4577	NASDAQ	CRVL	Mon, Jul 26, 2010	20.00	20.19	19.90	20.01
4576	NASDAQ	CRVL	Fri, Jul 23, 2010	19.50	20.00	19.38	19.88
4575	NASDAQ	CRVL	Thu, Jul 22, 2010	18.58	19.66	18.51	19.58
4574	NASDAQ	CRVL	Wed, Jul 21, 2010	18.66	18.79	18.21	18.37
4573	NASDAQ	CRVL	Tue, Jul 20, 2010	18.19	18.62	18.02	18.61
4572	NASDAQ	CRVL	Mon, Jul 19, 2010	17.92	18.49	17.90	18.46
4571	NASDAQ	CRVL	Fri, Jul 16, 2010	18.14	18.40	17.91	17.92
4570	NASDAQ	CRVL	Thu, Jul 15, 2010	18.50	18.50	18.13	18.33
4569	NASDAQ	CRVL	Wed, Jul 14, 2010	18.50	18.65	18.30	18.41
4568	NASDAQ	CRVL	Tue, Jul 13, 2010	18.10	18.71	18.01	18.63
4567	NASDAQ	CRVL	Mon, Jul 12, 2010	17.75	17.97	17.71	17.79
4566	NASDAQ	CRVL	Fri, Jul 9, 2010	17.82	17.90	17.70	17.88
4565	NASDAQ	CRVL	Thu, Jul 8, 2010	17.72	17.93	17.59	17.93
4564	NASDAQ	CRVL	Wed, Jul 7, 2010	16.74	17.68	16.70	17.60
4563	NASDAQ	CRVL	Tue, Jul 6, 2010	16.88	17.17	16.61	16.69
4562	NASDAQ	CRVL	Fri, Jul 2, 2010	16.81	16.94	16.70	16.77
4561	NASDAQ	CRVL	Thu, Jul 1, 2010	16.74	17.05	16.55	16.67
4560	NASDAQ	CRVL	Wed, Jun 30, 2010	17.08	17.70	16.86	16.90
4559	NASDAQ	CRVL	Tue, Jun 29, 2010	17.07	17.60	16.82	17.10
4558	NASDAQ	CRVL	Mon, Jun 28, 2010	17.64	17.64	17.35	17.44
4557	NASDAQ	CRVL	Fri, Jun 25, 2010	17.41	17.85	17.27	17.37
4556	NASDAQ	CRVL	Thu, Jun 24, 2010	17.72	17.95	17.27	17.37
4555	NASDAQ	CRVL	Wed, Jun 23, 2010	17.64	17.91	17.42	17.81
4554	NASDAQ	CRVL	Tue, Jun 22, 2010	18.17	18.30	17.62	17.64
4553	NASDAQ	CRVL	Mon, Jun 21, 2010	18.12	18.25	17.80	18.07
4552	NASDAQ	CRVL	Fri, Jun 18, 2010	18.27	18.42	17.73	17.84
4551	NASDAQ	CRVL	Thu, Jun 17, 2010	18.45	18.51	18.03	18.13
4550	NASDAQ	CRVL	Wed, Jun 16, 2010	18.11	18.50	17.98	18.34
4549	NASDAQ	CRVL	Tue, Jun 15, 2010	18.45	18.45	17.93	18.25
4548	NASDAQ	CRVL	Mon, Jun 14, 2010	18.21	18.40	18.10	18.23
4547	NASDAQ	CRVL	Fri, Jun 11, 2010	17.33	18.21	17.33	18.20
4546	NASDAQ	CRVL	Thu, Jun 10, 2010	17.35	17.64	17.17	17.56
4545	NASDAQ	CRVL	Wed, Jun 9, 2010	17.22	17.78	16.94	17.05
4544	NASDAQ	CRVL	Tue, Jun 8, 2010	18.09	18.09	16.66	16.98
4543	NASDAQ	CRVL	Mon, Jun 7, 2010	17.09	17.25	16.65	16.68
4542	NASDAQ	CRVL	Fri, Jun 4, 2010	17.98	18.44	16.93	17.05
4541	NASDAQ	CRVL	Thu, Jun 3, 2010	18.27	18.59	18.27	18.39
4540	NASDAQ	CRVL	Wed, Jun 2, 2010	18.66	18.74	17.92	18.41
4539	NASDAQ	CRVL	Tue, Jun 1, 2010	17.96	18.98	17.96	18.63
4538	NASDAQ	CRVL	Fri, May 28, 2010	17.91	17.98	17.49	17.74
4537	NASDAQ	CRVL	Thu, May 27, 2010	17.25	18.09	16.85	18.03
4536	NASDAQ	CRVL	Wed, May 26, 2010	16.60	17.25	16.50	16.80
4535	NASDAQ	CRVL	Tue, May 25, 2010	16.12	16.97	16.02	16.41
4534	NASDAQ	CRVL	Mon, May 24, 2010	16.32	16.80	16.31	16.54
4533	NASDAQ	CRVL	Fri, May 21, 2010	16.27	16.73	16.27	16.54
4532	NASDAQ	CRVL	Thu, May 20, 2010	17.34	17.83	16.50	16.51
4531	NASDAQ	CRVL	Wed, May 19, 2010	18.09	18.19	17.72	17.74
4530	NASDAQ	CRVL	Tue, May 18, 2010	19.00	19.00	18.02	18.02
4529	NASDAQ	CRVL	Mon, May 17, 2010	18.46	18.96	18.29	18.95
4528	NASDAQ	CRVL	Fri, May 14, 2010	18.44	18.50	18.13	18.28
4527	NASDAQ	CRVL	Thu, May 13, 2010	18.17	18.65	18.07	18.62
4526	NASDAQ	CRVL	Wed, May 12, 2010	17.77	18.65	17.67	18.38
4525	NASDAQ	CRVL	Tue, May 11, 2010	17.62	18.07	17.62	17.97
4524	NASDAQ	CRVL	Mon, May 10, 2010	17.24	17.91	17.24	17.83
4523	NASDAQ	CRVL	Fri, May 7, 2010	16.94	17.56	16.50	16.50
4522	NASDAQ	CRVL	Thu, May 6, 2010	17.45	17.93	16.66	16.95
4521	NASDAQ	CRVL	Wed, May 5, 2010	17.47	18.00	17.46	17.48
4520	NASDAQ	CRVL	Tue, May 4, 2010	17.55	17.91	17.35	17.65
4519	NASDAQ	CRVL	Mon, May 3, 2010	16.69	17.87	16.55	17.87
4518	NASDAQ	CRVL	Fri, Apr 30, 2010	18.06	18.27	16.65	16.65
4517	NASDAQ	CRVL	Thu, Apr 29, 2010	18.06	18.28	17.94	18.00
4516	NASDAQ	CRVL	Wed, Apr 28, 2010	17.75	18.00	17.61	17.92
4515	NASDAQ	CRVL	Tue, Apr 27, 2010	17.97	18.22	17.65	17.71
4514	NASDAQ	CRVL	Mon, Apr 26, 2010	17.94	18.00	17.86	18.00
4513	NASDAQ	CRVL	Fri, Apr 23, 2010	18.07	18.27	17.75	17.98
4512	NASDAQ	CRVL	Thu, Apr 22, 2010	17.72	18.00	17.70	18.00
4511	NASDAQ	CRVL	Wed, Apr 21, 2010	18.12	18.12	17.80	17.92
4510	NASDAQ	CRVL	Tue, Apr 20, 2010	18.04	18.13	17.79	18.00
4509	NASDAQ	CRVL	Mon, Apr 19, 2010	17.87	18.13	17.71	17.96
4508	NASDAQ	CRVL	Fri, Apr 16, 2010	18.00	18.07	17.87	17.87
4507	NASDAQ	CRVL	Thu, Apr 15, 2010	18.24	18.24	17.85	18.00
4506	NASDAQ	CRVL	Wed, Apr 14, 2010	17.70	18.21	17.57	18.09
4505	NASDAQ	CRVL	Tue, Apr 13, 2010	18.01	18.17	17.37	17.47
4504	NASDAQ	CRVL	Mon, Apr 12, 2010	18.19	18.32	18.03	18.14
4503	NASDAQ	CRVL	Fri, Apr 9, 2010	18.25	18.57	17.85	18.17
4502	NASDAQ	CRVL	Thu, Apr 8, 2010	18.21	18.60	18.00	18.34
4501	NASDAQ	CRVL	Wed, Apr 7, 2010	18.84	18.86	17.97	18.30
4500	NASDAQ	CRVL	Tue, Apr 6, 2010	18.31	18.97	18.31	18.89
4499	NASDAQ	CRVL	Mon, Apr 5, 2010	18.15	18.48	18.01	18.48
4498	NASDAQ	CRVL	Thu, Apr 1, 2010	17.96	18.00	17.59	17.79
4497	NASDAQ	CRVL	Wed, Mar 31, 2010	17.96	18.19	17.88	17.88
4496	NASDAQ	CRVL	Tue, Mar 30, 2010	17.88	18.27	17.78	18.08
4495	NASDAQ	CRVL	Mon, Mar 29, 2010	18.04	18.23	17.77	17.80
4494	NASDAQ	CRVL	Fri, Mar 26, 2010	17.86	18.31	17.86	18.00
4493	NASDAQ	CRVL	Thu, Mar 25, 2010	17.82	18.24	17.82	17.94
4492	NASDAQ	CRVL	Wed, Mar 24, 2010	18.15	18.20	17.72	17.72
4491	NASDAQ	CRVL	Tue, Mar 23, 2010	18.03	18.31	17.78	18.23
4490	NASDAQ	CRVL	Mon, Mar 22, 2010	17.91	18.46	17.91	18.25
4489	NASDAQ	CRVL	Fri, Mar 19, 2010	18.30	18.33	18.01	18.01
4488	NASDAQ	CRVL	Thu, Mar 18, 2010	18.25	18.25	18.12	18.16
4487	NASDAQ	CRVL	Wed, Mar 17, 2010	18.27	18.39	18.18	18.24
4486	NASDAQ	CRVL	Tue, Mar 16, 2010	18.10	18.28	17.89	18.28
4485	NASDAQ	CRVL	Mon, Mar 15, 2010	18.17	18.17	17.87	18.03
4484	NASDAQ	CRVL	Fri, Mar 12, 2010	18.34	18.35	17.99	18.26
4483	NASDAQ	CRVL	Thu, Mar 11, 2010	18.03	18.26	17.98	18.20
4482	NASDAQ	CRVL	Wed, Mar 10, 2010	18.10	18.25	17.92	18.20
4481	NASDAQ	CRVL	Tue, Mar 9, 2010	17.81	18.20	17.81	18.16
4480	NASDAQ	CRVL	Mon, Mar 8, 2010	17.74	17.97	17.55	17.73
4479	NASDAQ	CRVL	Fri, Mar 5, 2010	17.12	18.16	16.57	18.03
4478	NASDAQ	CRVL	Thu, Mar 4, 2010	16.80	17.08	16.71	17.07
4477	NASDAQ	CRVL	Wed, Mar 3, 2010	16.85	16.98	16.66	16.77
4476	NASDAQ	CRVL	Tue, Mar 2, 2010	16.71	16.90	16.62	16.77
4475	NASDAQ	CRVL	Mon, Mar 1, 2010	16.15	16.96	16.15	16.74
4474	NASDAQ	CRVL	Fri, Feb 26, 2010	16.41	16.43	16.00	16.10
4473	NASDAQ	CRVL	Thu, Feb 25, 2010	16.46	16.62	16.25	16.47
4472	NASDAQ	CRVL	Wed, Feb 24, 2010	16.41	16.81	16.34	16.74
4471	NASDAQ	CRVL	Tue, Feb 23, 2010	16.47	16.81	16.28	16.40
4470	NASDAQ	CRVL	Mon, Feb 22, 2010	16.36	16.58	16.33	16.55
4469	NASDAQ	CRVL	Fri, Feb 19, 2010	16.32	16.38	16.01	16.35
4468	NASDAQ	CRVL	Thu, Feb 18, 2010	16.17	16.39	15.99	16.32
4467	NASDAQ	CRVL	Wed, Feb 17, 2010	15.89	16.25	15.84	16.23
4466	NASDAQ	CRVL	Tue, Feb 16, 2010	15.69	16.12	15.68	15.88
4465	NASDAQ	CRVL	Fri, Feb 12, 2010	15.61	15.99	15.53	15.59
4464	NASDAQ	CRVL	Thu, Feb 11, 2010	15.59	16.00	15.59	15.74
4463	NASDAQ	CRVL	Wed, Feb 10, 2010	15.63	15.66	15.23	15.60
4462	NASDAQ	CRVL	Tue, Feb 9, 2010	15.69	15.96	15.21	15.75
4461	NASDAQ	CRVL	Mon, Feb 8, 2010	15.43	15.71	14.69	15.53
4460	NASDAQ	CRVL	Fri, Feb 5, 2010	15.38	15.56	15.23	15.44
4459	NASDAQ	CRVL	Thu, Feb 4, 2010	15.68	15.68	15.20	15.29
4458	NASDAQ	CRVL	Wed, Feb 3, 2010	15.94	16.25	15.56	15.65
4457	NASDAQ	CRVL	Tue, Feb 2, 2010	15.54	16.23	15.26	15.96
4456	NASDAQ	CRVL	Mon, Feb 1, 2010	15.41	15.59	15.19	15.24
4455	NASDAQ	CRVL	Fri, Jan 29, 2010	14.79	15.65	14.75	15.08
4454	NASDAQ	CRVL	Thu, Jan 28, 2010	15.15	15.37	14.68	14.68
4453	NASDAQ	CRVL	Wed, Jan 27, 2010	14.38	15.18	14.38	15.16
4452	NASDAQ	CRVL	Tue, Jan 26, 2010	14.90	15.01	14.38	14.43
4451	NASDAQ	CRVL	Mon, Jan 25, 2010	15.08	15.20	14.79	15.01
4450	NASDAQ	CRVL	Fri, Jan 22, 2010	14.89	15.38	14.71	14.75
4449	NASDAQ	CRVL	Thu, Jan 21, 2010	15.52	15.59	14.76	14.86
4448	NASDAQ	CRVL	Wed, Jan 20, 2010	15.81	15.93	15.50	15.63
4447	NASDAQ	CRVL	Tue, Jan 19, 2010	15.58	16.01	15.41	15.99
4446	NASDAQ	CRVL	Fri, Jan 15, 2010	16.06	16.10	15.29	15.42
4445	NASDAQ	CRVL	Thu, Jan 14, 2010	15.79	16.09	15.51	15.98
4444	NASDAQ	CRVL	Wed, Jan 13, 2010	15.78	15.95	15.49	15.86
4443	NASDAQ	CRVL	Tue, Jan 12, 2010	15.70	16.00	15.63	15.67
4442	NASDAQ	CRVL	Mon, Jan 11, 2010	16.09	16.20	15.53	15.87
4441	NASDAQ	CRVL	Fri, Jan 8, 2010	16.02	16.35	15.83	16.07
4440	NASDAQ	CRVL	Thu, Jan 7, 2010	15.84	16.26	15.84	16.13
4439	NASDAQ	CRVL	Wed, Jan 6, 2010	16.25	16.45	15.60	15.84
4438	NASDAQ	CRVL	Tue, Jan 5, 2010	16.46	16.64	16.12	16.23
4437	NASDAQ	CRVL	Mon, Jan 4, 2010	17.06	17.08	16.35	16.45
4436	NASDAQ	CRVL	Thu, Dec 31, 2009	17.11	17.31	16.77	16.77
4435	NASDAQ	CRVL	Wed, Dec 30, 2009	17.25	17.25	16.87	17.08
4434	NASDAQ	CRVL	Tue, Dec 29, 2009	17.21	17.31	16.88	17.18
4433	NASDAQ	CRVL	Mon, Dec 28, 2009	17.01	17.21	16.90	17.18
4432	NASDAQ	CRVL	Thu, Dec 24, 2009	16.87	17.03	16.51	16.88
4431	NASDAQ	CRVL	Wed, Dec 23, 2009	16.17	16.84	16.17	16.72
4430	NASDAQ	CRVL	Tue, Dec 22, 2009	15.42	16.17	15.42	16.11
4429	NASDAQ	CRVL	Mon, Dec 21, 2009	15.50	15.75	15.20	15.46
4428	NASDAQ	CRVL	Fri, Dec 18, 2009	15.13	15.70	15.08	15.45
4427	NASDAQ	CRVL	Thu, Dec 17, 2009	15.39	15.74	14.90	14.98
4426	NASDAQ	CRVL	Wed, Dec 16, 2009	16.26	16.64	15.43	15.45
4425	NASDAQ	CRVL	Tue, Dec 15, 2009	16.03	16.90	16.03	16.17
4424	NASDAQ	CRVL	Mon, Dec 14, 2009	15.93	16.08	15.60	16.02
4423	NASDAQ	CRVL	Fri, Dec 11, 2009	15.68	15.94	15.47	15.75
4422	NASDAQ	CRVL	Thu, Dec 10, 2009	16.20	16.27	15.49	15.62
4421	NASDAQ	CRVL	Wed, Dec 9, 2009	15.85	16.34	15.79	16.08
4420	NASDAQ	CRVL	Tue, Dec 8, 2009	16.18	16.35	16.04	16.06
4419	NASDAQ	CRVL	Mon, Dec 7, 2009	15.93	16.43	15.65	16.35
4418	NASDAQ	CRVL	Fri, Dec 4, 2009	15.28	15.93	15.17	15.91
4417	NASDAQ	CRVL	Thu, Dec 3, 2009	14.91	15.25	14.76	15.03
4416	NASDAQ	CRVL	Wed, Dec 2, 2009	14.60	15.08	14.60	14.81
4415	NASDAQ	CRVL	Tue, Dec 1, 2009	14.93	15.24	14.49	14.54
4414	NASDAQ	CRVL	Mon, Nov 30, 2009	14.81	14.97	13.77	14.95
4413	NASDAQ	CRVL	Fri, Nov 27, 2009	15.06	15.44	14.84	14.90
4412	NASDAQ	CRVL	Wed, Nov 25, 2009	16.08	16.08	15.57	15.57
4411	NASDAQ	CRVL	Tue, Nov 24, 2009	15.81	16.11	15.80	16.03
4410	NASDAQ	CRVL	Mon, Nov 23, 2009	15.25	16.12	15.25	15.91
4409	NASDAQ	CRVL	Fri, Nov 20, 2009	14.98	15.23	14.97	15.23
4408	NASDAQ	CRVL	Thu, Nov 19, 2009	15.25	15.33	15.03	15.11
4407	NASDAQ	CRVL	Wed, Nov 18, 2009	15.22	15.36	15.08	15.28
4406	NASDAQ	CRVL	Tue, Nov 17, 2009	15.15	15.27	15.00	15.14
4405	NASDAQ	CRVL	Mon, Nov 16, 2009	15.02	15.26	14.85	15.26
4404	NASDAQ	CRVL	Fri, Nov 13, 2009	14.59	14.93	14.54	14.84
4403	NASDAQ	CRVL	Thu, Nov 12, 2009	15.11	15.27	14.45	14.50
4402	NASDAQ	CRVL	Wed, Nov 11, 2009	15.44	15.44	15.05	15.11
4401	NASDAQ	CRVL	Tue, Nov 10, 2009	15.33	15.44	14.65	15.25
4400	NASDAQ	CRVL	Mon, Nov 9, 2009	15.45	15.45	15.29	15.45
4399	NASDAQ	CRVL	Fri, Nov 6, 2009	15.49	15.49	15.10	15.43
4398	NASDAQ	CRVL	Thu, Nov 5, 2009	15.65	15.65	15.31	15.49
4397	NASDAQ	CRVL	Wed, Nov 4, 2009	15.53	16.43	15.43	15.54
4396	NASDAQ	CRVL	Tue, Nov 3, 2009	14.39	15.45	14.39	15.40
4395	NASDAQ	CRVL	Mon, Nov 2, 2009	14.43	14.54	13.98	14.46
4394	NASDAQ	CRVL	Fri, Oct 30, 2009	14.10	14.29	13.84	14.25
4393	NASDAQ	CRVL	Thu, Oct 29, 2009	14.01	14.29	13.79	14.28
4392	NASDAQ	CRVL	Wed, Oct 28, 2009	14.01	14.16	13.86	13.88
4391	NASDAQ	CRVL	Tue, Oct 27, 2009	14.07	14.22	13.96	13.96
4390	NASDAQ	CRVL	Mon, Oct 26, 2009	14.14	14.19	13.93	13.93
4389	NASDAQ	CRVL	Fri, Oct 23, 2009	14.45	14.45	13.89	13.92
4388	NASDAQ	CRVL	Thu, Oct 22, 2009	14.07	14.49	13.83	14.45
4387	NASDAQ	CRVL	Wed, Oct 21, 2009	14.26	14.45	14.15	14.21
4386	NASDAQ	CRVL	Tue, Oct 20, 2009	14.52	14.61	13.97	14.10
4385	NASDAQ	CRVL	Mon, Oct 19, 2009	14.08	14.66	14.04	14.57
4384	NASDAQ	CRVL	Fri, Oct 16, 2009	14.11	14.20	13.83	13.99
4383	NASDAQ	CRVL	Thu, Oct 15, 2009	14.22	14.39	13.91	14.18
4382	NASDAQ	CRVL	Wed, Oct 14, 2009	14.33	14.62	14.07	14.28
4381	NASDAQ	CRVL	Tue, Oct 13, 2009	14.53	14.74	14.05	14.20
4380	NASDAQ	CRVL	Mon, Oct 12, 2009	15.01	15.29	14.48	14.50
4379	NASDAQ	CRVL	Fri, Oct 9, 2009	14.22	15.29	14.22	15.07
4378	NASDAQ	CRVL	Thu, Oct 8, 2009	14.26	14.51	14.11	14.19
4377	NASDAQ	CRVL	Wed, Oct 7, 2009	14.25	14.73	14.05	14.12
4376	NASDAQ	CRVL	Tue, Oct 6, 2009	14.04	14.39	13.90	14.38
4375	NASDAQ	CRVL	Mon, Oct 5, 2009	13.74	14.10	13.64	13.91
4374	NASDAQ	CRVL	Fri, Oct 2, 2009	14.12	14.12	13.60	13.61
4373	NASDAQ	CRVL	Thu, Oct 1, 2009	14.10	14.14	13.75	13.75
4372	NASDAQ	CRVL	Wed, Sep 30, 2009	14.43	14.43	13.86	14.20
4371	NASDAQ	CRVL	Tue, Sep 29, 2009	14.47	14.63	14.16	14.23
4370	NASDAQ	CRVL	Mon, Sep 28, 2009	14.13	14.77	14.11	14.29
4369	NASDAQ	CRVL	Fri, Sep 25, 2009	14.55	14.58	13.80	14.01
4368	NASDAQ	CRVL	Thu, Sep 24, 2009	14.62	14.78	14.46	14.59
4367	NASDAQ	CRVL	Wed, Sep 23, 2009	15.07	15.07	14.60	14.65
4366	NASDAQ	CRVL	Tue, Sep 22, 2009	15.65	15.79	14.99	15.01
4365	NASDAQ	CRVL	Mon, Sep 21, 2009	15.12	15.70	15.12	15.50
4364	NASDAQ	CRVL	Fri, Sep 18, 2009	15.70	15.71	15.19	15.19
4363	NASDAQ	CRVL	Thu, Sep 17, 2009	15.77	15.77	15.47	15.59
4362	NASDAQ	CRVL	Wed, Sep 16, 2009	15.13	15.77	15.08	15.76
4361	NASDAQ	CRVL	Tue, Sep 15, 2009	15.24	15.45	15.02	15.24
4360	NASDAQ	CRVL	Mon, Sep 14, 2009	15.59	15.59	15.01	15.31
4359	NASDAQ	CRVL	Fri, Sep 11, 2009	15.26	15.35	15.16	15.26
4358	NASDAQ	CRVL	Thu, Sep 10, 2009	15.13	15.32	14.90	15.18
4357	NASDAQ	CRVL	Wed, Sep 9, 2009	14.80	15.18	14.72	14.99
4356	NASDAQ	CRVL	Tue, Sep 8, 2009	15.16	15.16	14.70	14.90
4355	NASDAQ	CRVL	Fri, Sep 4, 2009	15.04	15.04	14.68	14.83
4354	NASDAQ	CRVL	Thu, Sep 3, 2009	15.07	15.55	14.82	15.03
4353	NASDAQ	CRVL	Wed, Sep 2, 2009	15.17	15.37	14.94	15.07
4352	NASDAQ	CRVL	Tue, Sep 1, 2009	15.28	15.63	15.02	15.17
4351	NASDAQ	CRVL	Mon, Aug 31, 2009	15.31	15.31	14.94	15.03
4350	NASDAQ	CRVL	Fri, Aug 28, 2009	15.25	15.32	14.98	15.07
4349	NASDAQ	CRVL	Thu, Aug 27, 2009	14.92	15.31	14.55	15.24
4348	NASDAQ	CRVL	Wed, Aug 26, 2009	14.36	15.00	14.16	14.94
4347	NASDAQ	CRVL	Tue, Aug 25, 2009	14.07	14.63	13.83	13.93
4346	NASDAQ	CRVL	Mon, Aug 24, 2009	13.74	14.08	13.74	14.04
4345	NASDAQ	CRVL	Fri, Aug 21, 2009	13.00	13.95	12.50	13.67
4344	NASDAQ	CRVL	Thu, Aug 20, 2009	12.67	12.91	12.33	12.82
4343	NASDAQ	CRVL	Wed, Aug 19, 2009	12.33	12.86	12.33	12.74
4342	NASDAQ	CRVL	Tue, Aug 18, 2009	12.44	12.88	12.38	12.51
4341	NASDAQ	CRVL	Mon, Aug 17, 2009	12.27	12.62	12.13	12.36
4340	NASDAQ	CRVL	Fri, Aug 14, 2009	13.00	13.01	12.39	12.52
4339	NASDAQ	CRVL	Thu, Aug 13, 2009	13.14	13.29	12.83	13.04
4338	NASDAQ	CRVL	Wed, Aug 12, 2009	12.76	13.40	12.76	13.10
4337	NASDAQ	CRVL	Tue, Aug 11, 2009	13.63	13.69	12.75	12.78
4336	NASDAQ	CRVL	Mon, Aug 10, 2009	13.55	14.47	13.43	13.66
4335	NASDAQ	CRVL	Fri, Aug 7, 2009	12.92	13.90	12.80	13.71
4334	NASDAQ	CRVL	Thu, Aug 6, 2009	12.50	12.92	12.30	12.71
4333	NASDAQ	CRVL	Wed, Aug 5, 2009	12.43	12.67	12.00	12.56
4332	NASDAQ	CRVL	Tue, Aug 4, 2009	12.23	12.75	12.23	12.43
4331	NASDAQ	CRVL	Mon, Aug 3, 2009	12.25	12.42	12.09	12.25
4330	NASDAQ	CRVL	Fri, Jul 31, 2009	12.19	12.64	12.12	12.21
4329	NASDAQ	CRVL	Thu, Jul 30, 2009	12.45	12.50	12.09	12.27
4328	NASDAQ	CRVL	Wed, Jul 29, 2009	12.43	12.43	12.29	12.29
4327	NASDAQ	CRVL	Tue, Jul 28, 2009	12.09	12.44	12.09	12.30
4326	NASDAQ	CRVL	Mon, Jul 27, 2009	12.42	12.55	12.05	12.24
4325	NASDAQ	CRVL	Fri, Jul 24, 2009	12.44	12.50	12.24	12.40
4324	NASDAQ	CRVL	Thu, Jul 23, 2009	12.21	12.54	12.13	12.50
4323	NASDAQ	CRVL	Wed, Jul 22, 2009	12.22	12.32	12.02	12.28
4322	NASDAQ	CRVL	Tue, Jul 21, 2009	12.68	12.71	12.14	12.24
4321	NASDAQ	CRVL	Mon, Jul 20, 2009	12.41	12.67	12.14	12.55
4320	NASDAQ	CRVL	Fri, Jul 17, 2009	12.87	12.93	12.25	12.31
4319	NASDAQ	CRVL	Thu, Jul 16, 2009	12.76	12.95	12.52	12.84
4318	NASDAQ	CRVL	Wed, Jul 15, 2009	12.63	12.87	12.39	12.86
4317	NASDAQ	CRVL	Tue, Jul 14, 2009	12.75	12.75	12.24	12.43
4316	NASDAQ	CRVL	Mon, Jul 13, 2009	11.69	12.82	11.69	12.82
4315	NASDAQ	CRVL	Fri, Jul 10, 2009	11.38	12.04	11.38	11.88
4314	NASDAQ	CRVL	Thu, Jul 9, 2009	12.17	12.18	11.12	11.32
4313	NASDAQ	CRVL	Wed, Jul 8, 2009	11.65	12.20	11.65	12.13
4312	NASDAQ	CRVL	Tue, Jul 7, 2009	11.78	11.88	11.51	11.63
4311	NASDAQ	CRVL	Mon, Jul 6, 2009	11.49	11.77	11.49	11.58
4310	NASDAQ	CRVL	Thu, Jul 2, 2009	12.01	12.10	11.46	11.50
4309	NASDAQ	CRVL	Wed, Jul 1, 2009	11.51	12.50	11.42	12.17
4308	NASDAQ	CRVL	Tue, Jun 30, 2009	11.74	11.74	11.29	11.39
4307	NASDAQ	CRVL	Mon, Jun 29, 2009	11.40	11.63	11.18	11.40
4306	NASDAQ	CRVL	Fri, Jun 26, 2009	10.95	11.76	10.64	11.45
4305	NASDAQ	CRVL	Thu, Jun 25, 2009	10.98	11.06	10.82	11.04
4304	NASDAQ	CRVL	Wed, Jun 24, 2009	11.05	11.15	10.76	10.76
4303	NASDAQ	CRVL	Tue, Jun 23, 2009	10.83	11.10	10.61	10.99
4302	NASDAQ	CRVL	Mon, Jun 22, 2009	10.94	11.13	10.72	10.72
4301	NASDAQ	CRVL	Fri, Jun 19, 2009	10.95	11.27	10.70	11.05
4300	NASDAQ	CRVL	Thu, Jun 18, 2009	11.33	11.58	10.77	10.86
4299	NASDAQ	CRVL	Wed, Jun 17, 2009	10.59	11.60	10.56	11.49
4298	NASDAQ	CRVL	Tue, Jun 16, 2009	10.69	11.14	10.54	10.62
4297	NASDAQ	CRVL	Mon, Jun 15, 2009	10.57	10.58	10.27	10.39
4296	NASDAQ	CRVL	Fri, Jun 12, 2009	10.28	10.78	10.11	10.60
4295	NASDAQ	CRVL	Thu, Jun 11, 2009	10.73	10.95	10.19	10.33
4294	NASDAQ	CRVL	Wed, Jun 10, 2009	11.29	11.29	10.37	10.66
4293	NASDAQ	CRVL	Tue, Jun 9, 2009	11.91	11.91	11.18	11.20
4292	NASDAQ	CRVL	Mon, Jun 8, 2009	12.13	12.13	11.73	11.89
4291	NASDAQ	CRVL	Fri, Jun 5, 2009	12.35	12.62	12.15	12.19
4290	NASDAQ	CRVL	Thu, Jun 4, 2009	11.97	12.32	11.74	12.32
4289	NASDAQ	CRVL	Wed, Jun 3, 2009	11.90	12.02	11.56	12.02
4288	NASDAQ	CRVL	Tue, Jun 2, 2009	11.74	12.04	11.54	12.00
4287	NASDAQ	CRVL	Mon, Jun 1, 2009	10.88	11.79	10.88	11.79
4286	NASDAQ	CRVL	Fri, May 29, 2009	10.47	10.93	10.40	10.72
4285	NASDAQ	CRVL	Thu, May 28, 2009	10.77	11.00	10.38	10.41
4284	NASDAQ	CRVL	Wed, May 27, 2009	10.90	10.92	10.62	10.66
4283	NASDAQ	CRVL	Tue, May 26, 2009	9.70	11.09	9.70	10.95
4282	NASDAQ	CRVL	Fri, May 22, 2009	9.96	10.07	9.68	9.73
4281	NASDAQ	CRVL	Thu, May 21, 2009	10.51	10.97	9.73	9.82
4280	NASDAQ	CRVL	Wed, May 20, 2009	11.09	11.30	10.52	10.67
4279	NASDAQ	CRVL	Tue, May 19, 2009	11.02	11.10	10.95	11.05
4278	NASDAQ	CRVL	Mon, May 18, 2009	10.94	11.13	10.71	11.11
4277	NASDAQ	CRVL	Fri, May 15, 2009	10.94	11.03	10.52	10.78
4276	NASDAQ	CRVL	Thu, May 14, 2009	10.88	11.10	10.67	10.88
4275	NASDAQ	CRVL	Wed, May 13, 2009	10.84	11.19	10.50	10.79
4274	NASDAQ	CRVL	Tue, May 12, 2009	11.63	11.96	10.73	11.02
4273	NASDAQ	CRVL	Mon, May 11, 2009	11.86	11.90	11.52	11.53
4272	NASDAQ	CRVL	Fri, May 8, 2009	10.93	11.85	10.48	11.85
4271	NASDAQ	CRVL	Thu, May 7, 2009	10.53	10.89	9.90	10.85
4270	NASDAQ	CRVL	Wed, May 6, 2009	11.54	11.58	10.32	10.39
4269	NASDAQ	CRVL	Tue, May 5, 2009	11.40	11.57	11.29	11.46
4268	NASDAQ	CRVL	Mon, May 4, 2009	11.21	11.43	11.11	11.43
4267	NASDAQ	CRVL	Fri, May 1, 2009	11.19	11.23	10.94	11.17
4266	NASDAQ	CRVL	Thu, Apr 30, 2009	11.03	11.50	11.01	11.25
4265	NASDAQ	CRVL	Wed, Apr 29, 2009	10.20	11.00	9.89	10.98
4264	NASDAQ	CRVL	Tue, Apr 28, 2009	9.94	10.25	9.85	10.16
4263	NASDAQ	CRVL	Mon, Apr 27, 2009	10.10	10.36	9.88	10.00
4262	NASDAQ	CRVL	Fri, Apr 24, 2009	10.30	10.40	9.86	10.25
4261	NASDAQ	CRVL	Thu, Apr 23, 2009	10.81	10.81	10.10	10.18
4260	NASDAQ	CRVL	Wed, Apr 22, 2009	10.73	11.32	10.73	10.84
4259	NASDAQ	CRVL	Tue, Apr 21, 2009	10.00	11.01	10.00	10.91
4258	NASDAQ	CRVL	Mon, Apr 20, 2009	10.76	10.83	9.81	10.01
4257	NASDAQ	CRVL	Fri, Apr 17, 2009	11.22	11.22	10.63	11.00
4256	NASDAQ	CRVL	Thu, Apr 16, 2009	10.65	11.18	10.65	11.16
4255	NASDAQ	CRVL	Wed, Apr 15, 2009	10.42	10.65	10.07	10.60
4254	NASDAQ	CRVL	Tue, Apr 14, 2009	10.81	10.81	10.20	10.49
4253	NASDAQ	CRVL	Mon, Apr 13, 2009	11.12	11.40	10.66	10.97
4252	NASDAQ	CRVL	Thu, Apr 9, 2009	10.79	11.24	10.78	11.20
4251	NASDAQ	CRVL	Wed, Apr 8, 2009	10.27	10.82	10.06	10.64
4250	NASDAQ	CRVL	Tue, Apr 7, 2009	10.21	11.00	10.16	10.17
4249	NASDAQ	CRVL	Mon, Apr 6, 2009	10.62	10.72	9.85	10.37
4248	NASDAQ	CRVL	Fri, Apr 3, 2009	10.24	10.78	10.08	10.78
4247	NASDAQ	CRVL	Thu, Apr 2, 2009	10.00	10.16	9.53	10.06
4246	NASDAQ	CRVL	Wed, Apr 1, 2009	9.98	9.98	9.24	9.78
4245	NASDAQ	CRVL	Tue, Mar 31, 2009	10.33	10.38	10.04	10.11
4244	NASDAQ	CRVL	Mon, Mar 30, 2009	10.52	10.52	10.00	10.19
4243	NASDAQ	CRVL	Fri, Mar 27, 2009	11.76	11.76	10.66	10.73
4242	NASDAQ	CRVL	Thu, Mar 26, 2009	10.57	12.07	10.32	11.99
4241	NASDAQ	CRVL	Wed, Mar 25, 2009	10.43	10.65	9.63	10.47
4240	NASDAQ	CRVL	Tue, Mar 24, 2009	11.40	11.69	10.31	10.37
4239	NASDAQ	CRVL	Mon, Mar 23, 2009	10.91	11.54	10.55	11.49
4238	NASDAQ	CRVL	Fri, Mar 20, 2009	10.78	10.92	10.49	10.69
4237	NASDAQ	CRVL	Thu, Mar 19, 2009	10.73	10.73	10.51	10.68
4236	NASDAQ	CRVL	Wed, Mar 18, 2009	9.81	10.61	9.81	10.57
4235	NASDAQ	CRVL	Tue, Mar 17, 2009	9.04	9.84	9.04	9.83
4234	NASDAQ	CRVL	Mon, Mar 16, 2009	9.15	9.20	8.93	9.07
4233	NASDAQ	CRVL	Fri, Mar 13, 2009	9.45	9.49	9.08	9.10
4232	NASDAQ	CRVL	Thu, Mar 12, 2009	9.06	9.44	9.05	9.39
4231	NASDAQ	CRVL	Wed, Mar 11, 2009	9.15	9.32	8.98	9.13
4230	NASDAQ	CRVL	Tue, Mar 10, 2009	8.91	9.38	8.91	9.07
4229	NASDAQ	CRVL	Mon, Mar 9, 2009	9.25	9.45	8.96	8.97
4228	NASDAQ	CRVL	Fri, Mar 6, 2009	9.06	9.30	9.03	9.25
4227	NASDAQ	CRVL	Thu, Mar 5, 2009	9.04	9.08	8.95	8.96
4226	NASDAQ	CRVL	Wed, Mar 4, 2009	9.03	9.26	8.88	9.18
4225	NASDAQ	CRVL	Tue, Mar 3, 2009	8.79	9.19	8.66	8.92
4224	NASDAQ	CRVL	Mon, Mar 2, 2009	9.33	9.55	8.67	8.68
4223	NASDAQ	CRVL	Fri, Feb 27, 2009	9.13	9.68	9.13	9.43
4222	NASDAQ	CRVL	Thu, Feb 26, 2009	9.53	9.88	9.12	9.28
4221	NASDAQ	CRVL	Wed, Feb 25, 2009	9.86	9.86	9.22	9.41
4220	NASDAQ	CRVL	Tue, Feb 24, 2009	9.60	10.03	9.42	9.90
4219	NASDAQ	CRVL	Mon, Feb 23, 2009	9.89	9.89	9.30	9.51
4218	NASDAQ	CRVL	Fri, Feb 20, 2009	9.64	9.96	9.56	9.84
4217	NASDAQ	CRVL	Thu, Feb 19, 2009	10.00	10.00	9.48	9.79
4216	NASDAQ	CRVL	Wed, Feb 18, 2009	10.00	10.00	9.76	9.89
4215	NASDAQ	CRVL	Tue, Feb 17, 2009	10.56	10.56	9.83	9.94
4214	NASDAQ	CRVL	Fri, Feb 13, 2009	10.75	10.91	10.32	10.91
4213	NASDAQ	CRVL	Thu, Feb 12, 2009	10.54	10.75	10.12	10.72
4212	NASDAQ	CRVL	Wed, Feb 11, 2009	10.50	10.75	10.34	10.65
4211	NASDAQ	CRVL	Tue, Feb 10, 2009	10.62	10.75	10.45	10.49
4210	NASDAQ	CRVL	Mon, Feb 9, 2009	10.53	10.80	10.37	10.77
4209	NASDAQ	CRVL	Fri, Feb 6, 2009	10.15	10.68	10.15	10.60
4208	NASDAQ	CRVL	Thu, Feb 5, 2009	9.73	10.22	9.59	10.19
4207	NASDAQ	CRVL	Wed, Feb 4, 2009	10.44	10.44	9.75	9.79
4206	NASDAQ	CRVL	Tue, Feb 3, 2009	9.77	10.49	9.65	10.49
4205	NASDAQ	CRVL	Mon, Feb 2, 2009	8.75	9.80	8.61	9.74
4204	NASDAQ	CRVL	Fri, Jan 30, 2009	9.59	9.91	8.81	8.82
4203	NASDAQ	CRVL	Thu, Jan 29, 2009	9.89	10.08	9.48	9.52
4202	NASDAQ	CRVL	Wed, Jan 28, 2009	9.29	10.08	8.77	10.02
4201	NASDAQ	CRVL	Tue, Jan 27, 2009	8.68	9.19	8.21	9.18
4200	NASDAQ	CRVL	Mon, Jan 26, 2009	8.61	9.16	8.60	8.65
4199	NASDAQ	CRVL	Fri, Jan 23, 2009	8.20	8.80	8.04	8.64
4198	NASDAQ	CRVL	Thu, Jan 22, 2009	8.95	9.29	7.94	8.41
4197	NASDAQ	CRVL	Wed, Jan 21, 2009	8.35	9.33	8.15	9.09
4196	NASDAQ	CRVL	Tue, Jan 20, 2009	9.18	9.28	8.22	8.27
4195	NASDAQ	CRVL	Fri, Jan 16, 2009	9.60	9.83	9.29	9.34
4194	NASDAQ	CRVL	Thu, Jan 15, 2009	9.53	9.99	9.15	9.42
4193	NASDAQ	CRVL	Wed, Jan 14, 2009	10.09	10.15	9.59	9.61
4192	NASDAQ	CRVL	Tue, Jan 13, 2009	10.26	10.33	10.24	10.24
4191	NASDAQ	CRVL	Mon, Jan 12, 2009	10.31	10.40	9.94	10.25
4190	NASDAQ	CRVL	Fri, Jan 9, 2009	11.42	11.42	10.30	10.30
4189	NASDAQ	CRVL	Thu, Jan 8, 2009	11.12	11.45	11.12	11.45
4188	NASDAQ	CRVL	Wed, Jan 7, 2009	11.19	11.41	10.99	11.21
4187	NASDAQ	CRVL	Tue, Jan 6, 2009	10.34	11.60	10.04	11.33
4186	NASDAQ	CRVL	Mon, Jan 5, 2009	10.52	10.52	9.89	10.27
4185	NASDAQ	CRVL	Fri, Jan 2, 2009	11.01	11.22	10.44	10.48
4184	NASDAQ	CRVL	Wed, Dec 31, 2008	10.31	11.00	10.01	10.99
4183	NASDAQ	CRVL	Tue, Dec 30, 2008	9.57	10.33	9.51	10.32
4182	NASDAQ	CRVL	Mon, Dec 29, 2008	9.69	9.69	9.39	9.47
4181	NASDAQ	CRVL	Fri, Dec 26, 2008	9.39	9.95	9.30	9.72
4180	NASDAQ	CRVL	Wed, Dec 24, 2008	9.64	9.95	9.28	9.51
4179	NASDAQ	CRVL	Tue, Dec 23, 2008	9.92	10.45	9.51	9.59
4178	NASDAQ	CRVL	Mon, Dec 22, 2008	9.67	10.01	9.58	9.79
4177	NASDAQ	CRVL	Fri, Dec 19, 2008	10.19	10.19	9.57	9.60
4176	NASDAQ	CRVL	Thu, Dec 18, 2008	9.60	10.61	9.60	9.87
4175	NASDAQ	CRVL	Wed, Dec 17, 2008	9.55	10.14	9.31	9.69
4174	NASDAQ	CRVL	Tue, Dec 16, 2008	8.66	9.67	8.59	9.65
4173	NASDAQ	CRVL	Mon, Dec 15, 2008	8.52	8.72	8.39	8.52
4172	NASDAQ	CRVL	Fri, Dec 12, 2008	7.89	8.51	7.89	8.51
4171	NASDAQ	CRVL	Thu, Dec 11, 2008	7.90	8.40	7.90	8.00
4170	NASDAQ	CRVL	Wed, Dec 10, 2008	8.13	8.36	7.99	8.03
4169	NASDAQ	CRVL	Tue, Dec 9, 2008	8.03	8.74	8.03	8.04
4168	NASDAQ	CRVL	Mon, Dec 8, 2008	8.34	8.69	8.25	8.41
4167	NASDAQ	CRVL	Fri, Dec 5, 2008	8.01	8.22	7.94	8.16
4166	NASDAQ	CRVL	Thu, Dec 4, 2008	8.73	8.76	8.03	8.10
4165	NASDAQ	CRVL	Wed, Dec 3, 2008	8.49	8.87	8.49	8.80
4164	NASDAQ	CRVL	Tue, Dec 2, 2008	8.56	9.01	8.28	8.67
4163	NASDAQ	CRVL	Mon, Dec 1, 2008	10.80	10.80	8.36	8.39
4162	NASDAQ	CRVL	Fri, Nov 28, 2008	10.93	11.22	10.78	11.05
4161	NASDAQ	CRVL	Wed, Nov 26, 2008	10.54	11.24	10.43	11.00
4160	NASDAQ	CRVL	Tue, Nov 25, 2008	10.98	11.00	10.65	10.77
4159	NASDAQ	CRVL	Mon, Nov 24, 2008	10.00	10.96	9.83	10.86
4158	NASDAQ	CRVL	Fri, Nov 21, 2008	9.85	10.06	8.76	10.00
4157	NASDAQ	CRVL	Thu, Nov 20, 2008	10.15	10.58	9.57	9.75
4156	NASDAQ	CRVL	Wed, Nov 19, 2008	10.97	11.04	10.14	10.15
4155	NASDAQ	CRVL	Tue, Nov 18, 2008	11.30	11.30	10.51	10.99
4154	NASDAQ	CRVL	Mon, Nov 17, 2008	10.83	11.55	10.83	10.95
4153	NASDAQ	CRVL	Fri, Nov 14, 2008	11.04	11.41	10.77	10.88
4152	NASDAQ	CRVL	Thu, Nov 13, 2008	10.53	11.33	10.20	11.17
4151	NASDAQ	CRVL	Wed, Nov 12, 2008	10.92	11.14	10.48	10.50
4150	NASDAQ	CRVL	Tue, Nov 11, 2008	11.02	11.52	10.84	11.02
4149	NASDAQ	CRVL	Mon, Nov 10, 2008	11.88	11.95	11.02	11.05
4148	NASDAQ	CRVL	Fri, Nov 7, 2008	11.69	11.81	11.31	11.70
4147	NASDAQ	CRVL	Thu, Nov 6, 2008	11.80	12.18	11.48	11.59
4146	NASDAQ	CRVL	Wed, Nov 5, 2008	12.18	12.64	11.74	11.80
4145	NASDAQ	CRVL	Tue, Nov 4, 2008	12.26	12.76	12.01	12.18
4144	NASDAQ	CRVL	Mon, Nov 3, 2008	13.48	13.48	12.63	12.91
4143	NASDAQ	CRVL	Fri, Oct 31, 2008	12.96	13.61	12.85	13.41
4142	NASDAQ	CRVL	Thu, Oct 30, 2008	12.62	13.27	11.53	13.06
4141	NASDAQ	CRVL	Wed, Oct 29, 2008	12.15	12.83	11.46	12.19
4140	NASDAQ	CRVL	Tue, Oct 28, 2008	12.35	13.05	11.33	12.23
4139	NASDAQ	CRVL	Mon, Oct 27, 2008	12.49	12.73	12.23	12.23
4138	NASDAQ	CRVL	Fri, Oct 24, 2008	12.00	12.77	11.65	12.46
4137	NASDAQ	CRVL	Thu, Oct 23, 2008	12.43	13.59	12.23	12.85
4136	NASDAQ	CRVL	Wed, Oct 22, 2008	12.35	12.58	11.74	11.74
4135	NASDAQ	CRVL	Tue, Oct 21, 2008	12.83	13.50	12.41	12.56
4134	NASDAQ	CRVL	Mon, Oct 20, 2008	13.19	13.27	12.27	13.09
4133	NASDAQ	CRVL	Fri, Oct 17, 2008	12.88	13.26	12.01	12.91
4132	NASDAQ	CRVL	Thu, Oct 16, 2008	12.23	13.44	12.16	13.10
4131	NASDAQ	CRVL	Wed, Oct 15, 2008	13.27	13.93	12.37	12.49
4130	NASDAQ	CRVL	Tue, Oct 14, 2008	12.98	13.78	12.32	13.49
4129	NASDAQ	CRVL	Mon, Oct 13, 2008	12.49	13.18	12.30	12.86
4128	NASDAQ	CRVL	Fri, Oct 10, 2008	11.11	11.99	10.33	11.99
4127	NASDAQ	CRVL	Thu, Oct 9, 2008	13.73	13.96	11.50	11.50
4126	NASDAQ	CRVL	Wed, Oct 8, 2008	13.25	13.89	12.93	13.59
4125	NASDAQ	CRVL	Tue, Oct 7, 2008	13.06	14.73	13.06	13.62
4124	NASDAQ	CRVL	Mon, Oct 6, 2008	12.91	13.88	12.50	12.92
4123	NASDAQ	CRVL	Fri, Oct 3, 2008	13.99	14.38	13.78	13.87
4122	NASDAQ	CRVL	Thu, Oct 2, 2008	13.97	14.29	13.92	14.02
4121	NASDAQ	CRVL	Wed, Oct 1, 2008	15.13	15.13	13.81	14.01
4120	NASDAQ	CRVL	Tue, Sep 30, 2008	14.20	15.00	14.02	14.31
4119	NASDAQ	CRVL	Mon, Sep 29, 2008	13.88	14.81	13.26	13.83
4118	NASDAQ	CRVL	Fri, Sep 26, 2008	13.88	14.37	13.81	14.31
4117	NASDAQ	CRVL	Thu, Sep 25, 2008	13.31	14.50	13.31	14.32
4116	NASDAQ	CRVL	Wed, Sep 24, 2008	13.70	14.64	13.41	13.82
4115	NASDAQ	CRVL	Tue, Sep 23, 2008	13.15	14.86	13.15	13.65
4114	NASDAQ	CRVL	Mon, Sep 22, 2008	14.25	14.25	13.05	13.22
4113	NASDAQ	CRVL	Fri, Sep 19, 2008	14.76	15.00	12.98	13.70
4112	NASDAQ	CRVL	Thu, Sep 18, 2008	12.98	13.18	12.58	13.13
4111	NASDAQ	CRVL	Wed, Sep 17, 2008	13.61	13.65	12.36	12.81
4110	NASDAQ	CRVL	Tue, Sep 16, 2008	13.22	13.75	13.12	13.72
4109	NASDAQ	CRVL	Mon, Sep 15, 2008	13.39	13.45	12.97	13.05
4108	NASDAQ	CRVL	Fri, Sep 12, 2008	13.16	13.60	13.09	13.39
4107	NASDAQ	CRVL	Thu, Sep 11, 2008	13.49	13.69	13.14	13.29
4106	NASDAQ	CRVL	Wed, Sep 10, 2008	14.05	14.05	13.49	13.53
4105	NASDAQ	CRVL	Tue, Sep 9, 2008	13.81	14.14	13.59	13.86
4104	NASDAQ	CRVL	Mon, Sep 8, 2008	13.99	14.12	13.30	13.76
4103	NASDAQ	CRVL	Fri, Sep 5, 2008	14.50	14.60	13.28	13.61
4102	NASDAQ	CRVL	Thu, Sep 4, 2008	15.19	15.33	14.50	14.50
4101	NASDAQ	CRVL	Wed, Sep 3, 2008	15.13	15.79	14.55	15.33
4100	NASDAQ	CRVL	Tue, Sep 2, 2008	14.78	15.53	14.62	15.53
4099	NASDAQ	CRVL	Fri, Aug 29, 2008	14.89	14.89	14.45	14.56
4098	NASDAQ	CRVL	Thu, Aug 28, 2008	14.49	14.91	14.36	14.90
4097	NASDAQ	CRVL	Wed, Aug 27, 2008	14.33	15.29	14.00	14.43
4096	NASDAQ	CRVL	Tue, Aug 26, 2008	14.23	14.50	14.23	14.38
4095	NASDAQ	CRVL	Mon, Aug 25, 2008	15.48	15.48	14.57	14.61
4094	NASDAQ	CRVL	Fri, Aug 22, 2008	14.65	15.10	14.65	15.04
4093	NASDAQ	CRVL	Thu, Aug 21, 2008	14.52	15.00	14.39	14.85
4092	NASDAQ	CRVL	Wed, Aug 20, 2008	14.58	14.94	14.06	14.61
4091	NASDAQ	CRVL	Tue, Aug 19, 2008	14.71	14.77	14.39	14.50
4090	NASDAQ	CRVL	Mon, Aug 18, 2008	14.96	15.43	14.54	14.61
4089	NASDAQ	CRVL	Fri, Aug 15, 2008	15.17	15.40	14.59	14.99
4088	NASDAQ	CRVL	Thu, Aug 14, 2008	14.86	15.10	14.71	15.00
4087	NASDAQ	CRVL	Wed, Aug 13, 2008	15.11	15.25	14.72	14.98
4086	NASDAQ	CRVL	Tue, Aug 12, 2008	15.08	15.35	14.84	14.93
4085	NASDAQ	CRVL	Mon, Aug 11, 2008	14.91	15.17	14.18	15.14
4084	NASDAQ	CRVL	Fri, Aug 8, 2008	13.46	14.91	13.26	14.88
4083	NASDAQ	CRVL	Thu, Aug 7, 2008	14.37	14.45	13.38	13.44
4082	NASDAQ	CRVL	Wed, Aug 6, 2008	14.29	14.54	14.13	14.50
4081	NASDAQ	CRVL	Tue, Aug 5, 2008	15.60	15.60	14.15	14.34
4080	NASDAQ	CRVL	Mon, Aug 4, 2008	15.99	16.00	15.54	15.59
4079	NASDAQ	CRVL	Fri, Aug 1, 2008	16.27	16.40	15.98	16.11
4078	NASDAQ	CRVL	Thu, Jul 31, 2008	16.19	16.67	16.19	16.38
4077	NASDAQ	CRVL	Wed, Jul 30, 2008	16.57	16.83	16.19	16.36
4076	NASDAQ	CRVL	Tue, Jul 29, 2008	16.60	16.93	16.38	16.46
4075	NASDAQ	CRVL	Mon, Jul 28, 2008	16.80	17.01	16.48	16.65
4074	NASDAQ	CRVL	Fri, Jul 25, 2008	16.48	17.13	16.15	16.87
4073	NASDAQ	CRVL	Thu, Jul 24, 2008	16.40	16.50	15.94	16.39
4072	NASDAQ	CRVL	Wed, Jul 23, 2008	15.92	16.64	15.91	16.39
4071	NASDAQ	CRVL	Tue, Jul 22, 2008	15.69	16.00	15.60	15.95
4070	NASDAQ	CRVL	Mon, Jul 21, 2008	16.24	16.24	15.66	15.82
4069	NASDAQ	CRVL	Fri, Jul 18, 2008	16.07	16.12	15.79	15.99
4068	NASDAQ	CRVL	Thu, Jul 17, 2008	16.62	16.62	15.80	16.08
4067	NASDAQ	CRVL	Wed, Jul 16, 2008	16.35	16.66	16.02	16.59
4066	NASDAQ	CRVL	Tue, Jul 15, 2008	16.35	16.95	16.16	16.21
4065	NASDAQ	CRVL	Mon, Jul 14, 2008	17.32	17.32	16.33	16.57
4064	NASDAQ	CRVL	Fri, Jul 11, 2008	16.70	17.15	16.50	17.13
4063	NASDAQ	CRVL	Thu, Jul 10, 2008	16.70	17.30	16.70	16.91
4062	NASDAQ	CRVL	Wed, Jul 9, 2008	17.16	17.40	16.72	16.78
4061	NASDAQ	CRVL	Tue, Jul 8, 2008	16.60	17.22	16.52	17.12
4060	NASDAQ	CRVL	Mon, Jul 7, 2008	16.08	17.14	16.08	16.54
4059	NASDAQ	CRVL	Thu, Jul 3, 2008	16.29	16.65	16.00	16.05
4058	NASDAQ	CRVL	Wed, Jul 2, 2008	16.52	16.85	16.26	16.34
4057	NASDAQ	CRVL	Tue, Jul 1, 2008	16.71	17.99	16.45	16.59
4056	NASDAQ	CRVL	Mon, Jun 30, 2008	17.88	17.95	16.93	16.94
4055	NASDAQ	CRVL	Fri, Jun 27, 2008	16.82	17.88	16.82	17.78
4054	NASDAQ	CRVL	Thu, Jun 26, 2008	16.38	17.13	16.18	17.02
4053	NASDAQ	CRVL	Wed, Jun 25, 2008	16.37	16.81	16.37	16.61
4052	NASDAQ	CRVL	Tue, Jun 24, 2008	16.88	17.11	16.41	16.41
4051	NASDAQ	CRVL	Mon, Jun 23, 2008	17.84	17.84	16.93	17.03
4050	NASDAQ	CRVL	Fri, Jun 20, 2008	18.15	18.38	17.65	17.84
4049	NASDAQ	CRVL	Thu, Jun 19, 2008	18.07	18.64	18.01	18.25
4048	NASDAQ	CRVL	Wed, Jun 18, 2008	18.39	18.60	18.11	18.14
4047	NASDAQ	CRVL	Tue, Jun 17, 2008	18.48	18.74	18.16	18.61
4046	NASDAQ	CRVL	Mon, Jun 16, 2008	18.70	18.90	18.34	18.46
4045	NASDAQ	CRVL	Fri, Jun 13, 2008	18.68	18.96	18.55	18.73
4044	NASDAQ	CRVL	Thu, Jun 12, 2008	18.50	18.80	18.50	18.66
4043	NASDAQ	CRVL	Wed, Jun 11, 2008	18.27	18.90	18.21	18.46
4042	NASDAQ	CRVL	Tue, Jun 10, 2008	18.15	18.26	17.86	18.12
4041	NASDAQ	CRVL	Mon, Jun 9, 2008	17.75	18.20	17.63	18.14
4040	NASDAQ	CRVL	Fri, Jun 6, 2008	18.11	18.43	17.76	17.76
4039	NASDAQ	CRVL	Thu, Jun 5, 2008	18.10	18.36	18.08	18.28
4038	NASDAQ	CRVL	Wed, Jun 4, 2008	18.13	18.31	17.77	18.08
4037	NASDAQ	CRVL	Tue, Jun 3, 2008	18.01	18.18	17.75	18.18
4036	NASDAQ	CRVL	Mon, Jun 2, 2008	17.99	18.04	17.11	17.99
4035	NASDAQ	CRVL	Fri, May 30, 2008	17.94	18.03	17.70	18.01
4034	NASDAQ	CRVL	Thu, May 29, 2008	17.43	17.95	17.03	17.92
4033	NASDAQ	CRVL	Wed, May 28, 2008	17.22	17.50	16.88	17.45
4032	NASDAQ	CRVL	Tue, May 27, 2008	17.09	17.41	16.65	17.12
4031	NASDAQ	CRVL	Fri, May 23, 2008	17.65	17.65	16.19	17.04
4030	NASDAQ	CRVL	Thu, May 22, 2008	17.37	17.81	17.37	17.75
4029	NASDAQ	CRVL	Wed, May 21, 2008	17.28	17.77	17.15	17.32
4028	NASDAQ	CRVL	Tue, May 20, 2008	16.93	17.36	16.90	17.23
4027	NASDAQ	CRVL	Mon, May 19, 2008	17.25	17.36	16.91	17.04
4026	NASDAQ	CRVL	Fri, May 16, 2008	17.39	17.40	16.56	17.28
4025	NASDAQ	CRVL	Thu, May 15, 2008	16.98	17.41	16.98	17.29
4024	NASDAQ	CRVL	Wed, May 14, 2008	16.65	17.50	16.35	17.01
4023	NASDAQ	CRVL	Tue, May 13, 2008	16.55	16.90	16.34	16.61
4022	NASDAQ	CRVL	Mon, May 12, 2008	16.38	16.58	16.04	16.50
4021	NASDAQ	CRVL	Fri, May 9, 2008	16.30	16.36	15.98	16.29
4020	NASDAQ	CRVL	Thu, May 8, 2008	16.16	16.50	15.94	16.50
4019	NASDAQ	CRVL	Wed, May 7, 2008	16.27	16.45	15.78	16.24
4018	NASDAQ	CRVL	Tue, May 6, 2008	16.14	16.77	16.13	16.22
4017	NASDAQ	CRVL	Mon, May 5, 2008	16.22	16.40	15.79	16.22
4016	NASDAQ	CRVL	Fri, May 2, 2008	16.64	16.70	16.19	16.24
4015	NASDAQ	CRVL	Thu, May 1, 2008	16.41	16.74	16.17	16.48
4014	NASDAQ	CRVL	Wed, Apr 30, 2008	16.36	16.74	16.22	16.45
4013	NASDAQ	CRVL	Tue, Apr 29, 2008	16.09	16.76	16.09	16.30
4012	NASDAQ	CRVL	Mon, Apr 28, 2008	16.45	16.75	16.12	16.44
4011	NASDAQ	CRVL	Fri, Apr 25, 2008	16.41	16.69	16.17	16.50
4010	NASDAQ	CRVL	Thu, Apr 24, 2008	16.06	16.50	15.53	16.38
4009	NASDAQ	CRVL	Wed, Apr 23, 2008	16.37	16.50	15.77	16.02
4008	NASDAQ	CRVL	Tue, Apr 22, 2008	15.93	16.25	15.88	16.21
4007	NASDAQ	CRVL	Mon, Apr 21, 2008	15.77	16.15	15.70	16.04
4006	NASDAQ	CRVL	Fri, Apr 18, 2008	15.80	16.19	15.57	15.86
4005	NASDAQ	CRVL	Thu, Apr 17, 2008	15.80	15.80	15.54	15.54
4004	NASDAQ	CRVL	Wed, Apr 16, 2008	15.62	15.85	15.50	15.78
4003	NASDAQ	CRVL	Tue, Apr 15, 2008	15.18	15.67	15.18	15.53
4002	NASDAQ	CRVL	Mon, Apr 14, 2008	15.16	15.45	15.02	15.08
4001	NASDAQ	CRVL	Fri, Apr 11, 2008	15.99	15.99	15.14	15.14
4000	NASDAQ	CRVL	Thu, Apr 10, 2008	15.85	16.25	15.85	16.16
3999	NASDAQ	CRVL	Wed, Apr 9, 2008	16.34	16.54	15.77	15.82
3998	NASDAQ	CRVL	Tue, Apr 8, 2008	16.17	16.52	15.96	16.28
3997	NASDAQ	CRVL	Mon, Apr 7, 2008	16.20	16.37	16.16	16.30
3996	NASDAQ	CRVL	Fri, Apr 4, 2008	15.56	16.18	15.48	16.10
3995	NASDAQ	CRVL	Thu, Apr 3, 2008	15.23	15.50	15.12	15.50
3994	NASDAQ	CRVL	Wed, Apr 2, 2008	15.53	15.53	15.29	15.34
3993	NASDAQ	CRVL	Tue, Apr 1, 2008	15.40	15.51	15.18	15.50
3992	NASDAQ	CRVL	Mon, Mar 31, 2008	14.72	15.50	14.72	15.30
3991	NASDAQ	CRVL	Fri, Mar 28, 2008	14.93	15.35	14.93	15.11
3990	NASDAQ	CRVL	Thu, Mar 27, 2008	15.55	15.77	15.18	15.32
3989	NASDAQ	CRVL	Wed, Mar 26, 2008	15.42	15.71	15.38	15.49
3988	NASDAQ	CRVL	Tue, Mar 25, 2008	15.06	15.62	15.05	15.47
3987	NASDAQ	CRVL	Mon, Mar 24, 2008	15.59	15.62	15.00	15.39
3986	NASDAQ	CRVL	Thu, Mar 20, 2008	14.82	15.61	14.76	15.46
3985	NASDAQ	CRVL	Wed, Mar 19, 2008	15.62	15.62	14.67	14.67
3984	NASDAQ	CRVL	Tue, Mar 18, 2008	14.75	15.56	14.15	15.54
3983	NASDAQ	CRVL	Mon, Mar 17, 2008	14.29	14.87	14.20	14.42
3982	NASDAQ	CRVL	Fri, Mar 14, 2008	15.22	15.22	14.42	14.68
3981	NASDAQ	CRVL	Thu, Mar 13, 2008	15.11	15.60	14.81	15.13
3980	NASDAQ	CRVL	Wed, Mar 12, 2008	15.02	15.55	14.97	15.31
3979	NASDAQ	CRVL	Tue, Mar 11, 2008	15.27	15.29	14.53	15.00
3978	NASDAQ	CRVL	Mon, Mar 10, 2008	15.01	15.06	14.89	14.91
3977	NASDAQ	CRVL	Fri, Mar 7, 2008	14.91	15.33	14.91	14.99
3976	NASDAQ	CRVL	Thu, Mar 6, 2008	15.09	15.52	15.02	15.08
3975	NASDAQ	CRVL	Wed, Mar 5, 2008	15.54	15.54	15.06	15.22
3974	NASDAQ	CRVL	Tue, Mar 4, 2008	15.01	15.50	14.76	15.43
3973	NASDAQ	CRVL	Mon, Mar 3, 2008	15.11	15.39	14.63	15.20
3972	NASDAQ	CRVL	Fri, Feb 29, 2008	15.50	15.63	14.97	15.07
3971	NASDAQ	CRVL	Thu, Feb 28, 2008	15.59	16.00	15.47	15.66
3970	NASDAQ	CRVL	Wed, Feb 27, 2008	15.97	16.00	15.51	15.65
3969	NASDAQ	CRVL	Tue, Feb 26, 2008	15.46	16.33	15.46	16.04
3968	NASDAQ	CRVL	Mon, Feb 25, 2008	15.99	16.02	15.25	15.60
3967	NASDAQ	CRVL	Fri, Feb 22, 2008	15.85	16.21	15.35	15.99
3966	NASDAQ	CRVL	Thu, Feb 21, 2008	16.25	16.67	15.77	15.85
3965	NASDAQ	CRVL	Wed, Feb 20, 2008	15.69	16.25	15.69	16.20
3964	NASDAQ	CRVL	Tue, Feb 19, 2008	16.13	16.19	15.57	15.74
3963	NASDAQ	CRVL	Fri, Feb 15, 2008	15.83	16.04	15.33	15.98
3962	NASDAQ	CRVL	Thu, Feb 14, 2008	15.96	16.36	15.69	15.91
3961	NASDAQ	CRVL	Wed, Feb 13, 2008	16.19	16.28	15.49	15.87
3960	NASDAQ	CRVL	Tue, Feb 12, 2008	15.80	16.78	15.75	16.09
3959	NASDAQ	CRVL	Mon, Feb 11, 2008	15.06	16.35	15.01	15.83
3958	NASDAQ	CRVL	Fri, Feb 8, 2008	14.42	15.42	13.98	15.09
3957	NASDAQ	CRVL	Thu, Feb 7, 2008	13.00	14.69	13.00	14.51
3956	NASDAQ	CRVL	Wed, Feb 6, 2008	13.45	13.58	13.00	13.10
3955	NASDAQ	CRVL	Tue, Feb 5, 2008	12.68	13.98	12.68	13.42
3954	NASDAQ	CRVL	Mon, Feb 4, 2008	12.40	12.76	12.40	12.55
3953	NASDAQ	CRVL	Fri, Feb 1, 2008	12.38	12.56	12.19	12.52
3952	NASDAQ	CRVL	Thu, Jan 31, 2008	12.03	12.62	11.95	12.38
3951	NASDAQ	CRVL	Wed, Jan 30, 2008	12.17	12.59	12.03	12.20
3950	NASDAQ	CRVL	Tue, Jan 29, 2008	12.33	12.37	12.14	12.20
3949	NASDAQ	CRVL	Mon, Jan 28, 2008	11.85	12.31	11.78	12.23
3948	NASDAQ	CRVL	Fri, Jan 25, 2008	11.96	12.10	11.58	11.90
3947	NASDAQ	CRVL	Thu, Jan 24, 2008	12.43	12.61	11.86	11.86
3946	NASDAQ	CRVL	Wed, Jan 23, 2008	11.62	12.50	11.62	12.41
3945	NASDAQ	CRVL	Tue, Jan 22, 2008	11.83	12.39	11.38	11.92
3944	NASDAQ	CRVL	Fri, Jan 18, 2008	12.13	12.39	11.82	12.35
3943	NASDAQ	CRVL	Thu, Jan 17, 2008	12.49	12.49	11.82	12.13
3942	NASDAQ	CRVL	Wed, Jan 16, 2008	11.47	12.51	11.45	12.05
3941	NASDAQ	CRVL	Tue, Jan 15, 2008	11.61	11.61	11.26	11.48
3940	NASDAQ	CRVL	Mon, Jan 14, 2008	11.42	12.12	11.42	11.78
3939	NASDAQ	CRVL	Fri, Jan 11, 2008	11.88	11.88	11.44	11.45
3938	NASDAQ	CRVL	Thu, Jan 10, 2008	11.58	12.20	11.36	11.93
3937	NASDAQ	CRVL	Wed, Jan 9, 2008	11.40	11.70	11.16	11.70
3936	NASDAQ	CRVL	Tue, Jan 8, 2008	11.76	11.86	11.38	11.38
3935	NASDAQ	CRVL	Mon, Jan 7, 2008	11.41	12.11	11.40	11.72
3934	NASDAQ	CRVL	Fri, Jan 4, 2008	11.39	11.63	11.30	11.38
3933	NASDAQ	CRVL	Thu, Jan 3, 2008	11.26	11.57	11.18	11.54
3932	NASDAQ	CRVL	Wed, Jan 2, 2008	11.43	11.55	11.25	11.39
3931	NASDAQ	CRVL	Mon, Dec 31, 2007	11.50	11.63	11.38	11.51
3930	NASDAQ	CRVL	Fri, Dec 28, 2007	11.60	11.63	11.50	11.53
3929	NASDAQ	CRVL	Thu, Dec 27, 2007	12.18	12.18	11.50	11.54
3928	NASDAQ	CRVL	Wed, Dec 26, 2007	12.02	12.02	11.57	11.96
3927	NASDAQ	CRVL	Mon, Dec 24, 2007	12.07	12.14	11.97	12.02
3926	NASDAQ	CRVL	Fri, Dec 21, 2007	12.33	12.33	11.87	11.97
3925	NASDAQ	CRVL	Thu, Dec 20, 2007	12.16	12.16	11.62	12.13
3924	NASDAQ	CRVL	Wed, Dec 19, 2007	12.02	12.04	11.65	12.04
3923	NASDAQ	CRVL	Tue, Dec 18, 2007	11.51	12.17	11.51	12.12
3922	NASDAQ	CRVL	Mon, Dec 17, 2007	12.71	12.76	11.41	11.41
3921	NASDAQ	CRVL	Fri, Dec 14, 2007	12.23	12.94	12.20	12.81
3920	NASDAQ	CRVL	Thu, Dec 13, 2007	12.32	12.40	12.23	12.35
3919	NASDAQ	CRVL	Wed, Dec 12, 2007	12.49	12.60	12.03	12.35
3918	NASDAQ	CRVL	Tue, Dec 11, 2007	12.30	12.75	12.12	12.18
3917	NASDAQ	CRVL	Mon, Dec 10, 2007	12.23	12.60	12.05	12.25
3916	NASDAQ	CRVL	Fri, Dec 7, 2007	11.75	12.29	11.71	12.22
3915	NASDAQ	CRVL	Thu, Dec 6, 2007	11.49	11.88	11.37	11.75
3914	NASDAQ	CRVL	Wed, Dec 5, 2007	11.28	11.50	11.17	11.44
3913	NASDAQ	CRVL	Tue, Dec 4, 2007	11.22	11.25	11.00	11.14
3912	NASDAQ	CRVL	Mon, Dec 3, 2007	11.53	11.60	11.26	11.30
3911	NASDAQ	CRVL	Fri, Nov 30, 2007	11.70	11.73	11.13	11.63
3910	NASDAQ	CRVL	Thu, Nov 29, 2007	11.73	11.93	11.60	11.65
3909	NASDAQ	CRVL	Wed, Nov 28, 2007	11.85	11.97	11.68	11.75
3908	NASDAQ	CRVL	Tue, Nov 27, 2007	11.85	11.90	11.70	11.75
3907	NASDAQ	CRVL	Mon, Nov 26, 2007	11.55	12.22	11.31	11.71
3906	NASDAQ	CRVL	Fri, Nov 23, 2007	11.24	11.52	11.11	11.51
3905	NASDAQ	CRVL	Wed, Nov 21, 2007	11.00	11.34	10.91	11.21
3904	NASDAQ	CRVL	Tue, Nov 20, 2007	10.85	11.97	10.69	11.01
3903	NASDAQ	CRVL	Mon, Nov 19, 2007	11.09	11.09	10.74	10.88
3902	NASDAQ	CRVL	Fri, Nov 16, 2007	11.08	11.19	10.83	11.02
3901	NASDAQ	CRVL	Thu, Nov 15, 2007	11.39	11.40	11.02	11.05
3900	NASDAQ	CRVL	Wed, Nov 14, 2007	11.58	11.59	11.30	11.38
3899	NASDAQ	CRVL	Tue, Nov 13, 2007	11.56	11.68	11.29	11.53
3898	NASDAQ	CRVL	Mon, Nov 12, 2007	11.32	11.54	11.13	11.46
3897	NASDAQ	CRVL	Fri, Nov 9, 2007	11.51	11.57	11.24	11.30
3896	NASDAQ	CRVL	Thu, Nov 8, 2007	12.02	12.24	11.23	11.50
3895	NASDAQ	CRVL	Wed, Nov 7, 2007	12.33	12.52	11.73	11.93
3894	NASDAQ	CRVL	Tue, Nov 6, 2007	12.55	12.68	12.32	12.50
3893	NASDAQ	CRVL	Mon, Nov 5, 2007	12.40	12.60	12.29	12.47
3892	NASDAQ	CRVL	Fri, Nov 2, 2007	12.64	12.70	12.20	12.57
3891	NASDAQ	CRVL	Thu, Nov 1, 2007	13.13	13.13	12.30	12.55
3890	NASDAQ	CRVL	Wed, Oct 31, 2007	12.99	13.52	12.06	13.29
3889	NASDAQ	CRVL	Tue, Oct 30, 2007	12.68	13.50	12.23	12.96
3888	NASDAQ	CRVL	Mon, Oct 29, 2007	13.29	13.30	12.56	12.65
3887	NASDAQ	CRVL	Fri, Oct 26, 2007	12.96	13.41	12.95	13.30
3886	NASDAQ	CRVL	Thu, Oct 25, 2007	12.62	12.94	12.52	12.93
3885	NASDAQ	CRVL	Wed, Oct 24, 2007	12.74	12.74	12.14	12.63
3884	NASDAQ	CRVL	Tue, Oct 23, 2007	12.83	12.85	12.30	12.85
3883	NASDAQ	CRVL	Mon, Oct 22, 2007	12.30	12.82	12.30	12.73
3882	NASDAQ	CRVL	Fri, Oct 19, 2007	12.84	12.84	12.31	12.36
3881	NASDAQ	CRVL	Thu, Oct 18, 2007	12.81	12.94	12.69	12.83
3880	NASDAQ	CRVL	Wed, Oct 17, 2007	12.93	12.93	12.55	12.86
3879	NASDAQ	CRVL	Tue, Oct 16, 2007	12.84	12.90	12.68	12.82
3878	NASDAQ	CRVL	Mon, Oct 15, 2007	12.72	12.91	12.53	12.85
3877	NASDAQ	CRVL	Fri, Oct 12, 2007	12.62	12.85	12.50	12.73
3876	NASDAQ	CRVL	Thu, Oct 11, 2007	12.50	12.67	12.43	12.65
3875	NASDAQ	CRVL	Wed, Oct 10, 2007	12.37	12.44	12.33	12.42
3874	NASDAQ	CRVL	Tue, Oct 9, 2007	12.25	12.40	12.18	12.35
3873	NASDAQ	CRVL	Mon, Oct 8, 2007	12.00	12.34	11.98	12.26
3872	NASDAQ	CRVL	Fri, Oct 5, 2007	11.81	12.13	11.79	12.06
3871	NASDAQ	CRVL	Thu, Oct 4, 2007	11.74	11.92	11.61	11.70
3870	NASDAQ	CRVL	Wed, Oct 3, 2007	11.65	11.80	11.53	11.69
3869	NASDAQ	CRVL	Tue, Oct 2, 2007	11.86	11.86	11.56	11.73
3868	NASDAQ	CRVL	Mon, Oct 1, 2007	11.54	11.77	11.41	11.74
3867	NASDAQ	CRVL	Fri, Sep 28, 2007	11.76	11.95	11.42	11.56
3866	NASDAQ	CRVL	Thu, Sep 27, 2007	11.89	11.95	11.66	11.79
3865	NASDAQ	CRVL	Wed, Sep 26, 2007	11.94	12.20	11.80	11.85
3864	NASDAQ	CRVL	Tue, Sep 25, 2007	11.45	12.00	11.35	11.87
3863	NASDAQ	CRVL	Mon, Sep 24, 2007	11.90	11.90	11.22	11.38
3862	NASDAQ	CRVL	Fri, Sep 21, 2007	12.11	12.30	11.90	11.92
3861	NASDAQ	CRVL	Thu, Sep 20, 2007	12.45	12.70	12.00	12.00
3860	NASDAQ	CRVL	Wed, Sep 19, 2007	12.30	12.49	12.25	12.48
3859	NASDAQ	CRVL	Tue, Sep 18, 2007	11.53	12.23	11.52	12.22
3858	NASDAQ	CRVL	Mon, Sep 17, 2007	11.71	11.71	11.41	11.51
3857	NASDAQ	CRVL	Fri, Sep 14, 2007	11.59	11.78	11.54	11.75
3856	NASDAQ	CRVL	Thu, Sep 13, 2007	12.06	12.06	11.54	11.71
3855	NASDAQ	CRVL	Wed, Sep 12, 2007	12.26	12.30	11.95	12.01
3854	NASDAQ	CRVL	Tue, Sep 11, 2007	12.04	12.28	11.81	12.28
3853	NASDAQ	CRVL	Mon, Sep 10, 2007	12.40	12.40	11.82	11.96
3852	NASDAQ	CRVL	Fri, Sep 7, 2007	12.34	12.62	12.31	12.35
3851	NASDAQ	CRVL	Thu, Sep 6, 2007	12.50	12.58	12.45	12.54
3850	NASDAQ	CRVL	Wed, Sep 5, 2007	12.62	12.65	12.46	12.51
3849	NASDAQ	CRVL	Tue, Sep 4, 2007	12.52	12.65	12.46	12.58
3848	NASDAQ	CRVL	Fri, Aug 31, 2007	12.61	12.63	12.30	12.54
3847	NASDAQ	CRVL	Thu, Aug 30, 2007	12.88	12.95	12.36	12.44
3846	NASDAQ	CRVL	Wed, Aug 29, 2007	12.83	13.10	12.70	13.04
3845	NASDAQ	CRVL	Tue, Aug 28, 2007	12.88	13.02	12.68	12.78
3844	NASDAQ	CRVL	Mon, Aug 27, 2007	12.91	12.99	12.85	12.98
3843	NASDAQ	CRVL	Fri, Aug 24, 2007	12.89	13.07	12.78	12.97
3842	NASDAQ	CRVL	Thu, Aug 23, 2007	13.31	13.45	12.67	12.96
3841	NASDAQ	CRVL	Wed, Aug 22, 2007	12.25	13.27	12.19	13.27
3840	NASDAQ	CRVL	Tue, Aug 21, 2007	12.61	12.66	12.03	12.18
3839	NASDAQ	CRVL	Mon, Aug 20, 2007	12.66	12.95	12.28	12.54
3838	NASDAQ	CRVL	Fri, Aug 17, 2007	13.50	13.50	12.38	12.64
3837	NASDAQ	CRVL	Thu, Aug 16, 2007	12.97	13.50	12.40	13.00
3836	NASDAQ	CRVL	Wed, Aug 15, 2007	12.94	13.30	12.89	12.98
3835	NASDAQ	CRVL	Tue, Aug 14, 2007	13.20	13.71	12.88	12.99
3834	NASDAQ	CRVL	Mon, Aug 13, 2007	13.19	14.38	12.89	13.07
3833	NASDAQ	CRVL	Fri, Aug 10, 2007	11.60	13.79	11.39	12.98
3832	NASDAQ	CRVL	Thu, Aug 9, 2007	12.44	12.72	11.36	11.80
3831	NASDAQ	CRVL	Wed, Aug 8, 2007	12.55	13.10	12.05	12.71
3830	NASDAQ	CRVL	Tue, Aug 7, 2007	12.89	13.03	12.60	12.75
3829	NASDAQ	CRVL	Mon, Aug 6, 2007	13.00	13.12	12.77	13.04
3828	NASDAQ	CRVL	Fri, Aug 3, 2007	13.45	13.45	12.68	12.97
3827	NASDAQ	CRVL	Thu, Aug 2, 2007	13.60	13.77	13.31	13.43
3826	NASDAQ	CRVL	Wed, Aug 1, 2007	13.18	13.60	13.01	13.58
3825	NASDAQ	CRVL	Tue, Jul 31, 2007	13.35	13.60	13.15	13.30
3824	NASDAQ	CRVL	Mon, Jul 30, 2007	13.36	13.50	13.09	13.19
3823	NASDAQ	CRVL	Fri, Jul 27, 2007	13.51	13.81	13.32	13.38
3822	NASDAQ	CRVL	Thu, Jul 26, 2007	13.99	14.05	13.50	13.61
3821	NASDAQ	CRVL	Wed, Jul 25, 2007	13.86	14.12	13.70	14.00
3820	NASDAQ	CRVL	Tue, Jul 24, 2007	13.73	14.04	13.72	13.74
3819	NASDAQ	CRVL	Mon, Jul 23, 2007	14.00	14.18	13.73	13.90
3818	NASDAQ	CRVL	Fri, Jul 20, 2007	13.84	14.00	13.57	13.98
3817	NASDAQ	CRVL	Thu, Jul 19, 2007	14.11	14.11	13.82	13.87
3816	NASDAQ	CRVL	Wed, Jul 18, 2007	14.03	14.08	13.90	14.05
3815	NASDAQ	CRVL	Tue, Jul 17, 2007	13.85	14.16	13.60	14.01
3814	NASDAQ	CRVL	Mon, Jul 16, 2007	13.73	14.08	13.57	13.77
3813	NASDAQ	CRVL	Fri, Jul 13, 2007	13.95	13.95	13.51	13.75
3812	NASDAQ	CRVL	Thu, Jul 12, 2007	13.65	14.00	13.50	13.91
3811	NASDAQ	CRVL	Wed, Jul 11, 2007	13.51	13.98	13.44	13.59
3810	NASDAQ	CRVL	Tue, Jul 10, 2007	13.41	13.61	13.38	13.55
3809	NASDAQ	CRVL	Mon, Jul 9, 2007	13.49	13.81	13.45	13.52
3808	NASDAQ	CRVL	Fri, Jul 6, 2007	13.55	13.57	13.16	13.51
3807	NASDAQ	CRVL	Thu, Jul 5, 2007	13.24	13.59	13.07	13.50
3806	NASDAQ	CRVL	Tue, Jul 3, 2007	13.28	13.30	13.24	13.26
3805	NASDAQ	CRVL	Mon, Jul 2, 2007	13.21	13.56	13.06	13.27
3804	NASDAQ	CRVL	Fri, Jun 29, 2007	12.99	13.16	12.94	13.07
3803	NASDAQ	CRVL	Thu, Jun 28, 2007	12.89	13.10	12.82	12.99
3802	NASDAQ	CRVL	Wed, Jun 27, 2007	12.43	12.85	12.09	12.85
3801	NASDAQ	CRVL	Tue, Jun 26, 2007	12.93	13.16	12.53	12.55
3800	NASDAQ	CRVL	Mon, Jun 25, 2007	12.86	13.10	12.61	12.89
3799	NASDAQ	CRVL	Fri, Jun 22, 2007	13.05	13.20	12.81	12.84
3798	NASDAQ	CRVL	Thu, Jun 21, 2007	12.10	13.16	12.10	13.05
3797	NASDAQ	CRVL	Wed, Jun 20, 2007	12.89	12.97	12.01	12.18
3796	NASDAQ	CRVL	Tue, Jun 19, 2007	12.86	12.98	12.55	12.73
3795	NASDAQ	CRVL	Mon, Jun 18, 2007	13.23	13.23	12.88	12.97
3794	NASDAQ	CRVL	Fri, Jun 15, 2007	13.30	13.47	13.16	13.24
3793	NASDAQ	CRVL	Thu, Jun 14, 2007	13.02	13.42	12.95	13.07
3792	NASDAQ	CRVL	Wed, Jun 13, 2007	12.94	13.27	12.74	13.15
3791	NASDAQ	CRVL	Tue, Jun 12, 2007	12.80	13.14	12.70	12.92
3790	NASDAQ	CRVL	Mon, Jun 11, 2007	13.29	13.37	12.73	12.88
3789	NASDAQ	CRVL	Fri, Jun 8, 2007	12.65	13.54	12.42	13.33
3788	NASDAQ	CRVL	Thu, Jun 7, 2007	13.25	13.50	12.45	12.69
3787	NASDAQ	CRVL	Wed, Jun 6, 2007	12.53	12.55	11.57	12.15
3786	NASDAQ	CRVL	Tue, Jun 5, 2007	12.59	13.03	12.59	12.68
3785	NASDAQ	CRVL	Mon, Jun 4, 2007	12.95	13.27	12.57	12.68
3784	NASDAQ	CRVL	Fri, Jun 1, 2007	13.75	13.75	12.86	13.08
3783	NASDAQ	CRVL	Thu, May 31, 2007	13.19	13.75	13.07	13.72
3782	NASDAQ	CRVL	Wed, May 30, 2007	13.12	13.26	13.01	13.21
3781	NASDAQ	CRVL	Tue, May 29, 2007	13.28	13.65	13.15	13.24
3780	NASDAQ	CRVL	Fri, May 25, 2007	13.24	13.60	13.08	13.21
3779	NASDAQ	CRVL	Thu, May 24, 2007	13.04	13.28	12.94	13.20
3778	NASDAQ	CRVL	Wed, May 23, 2007	13.12	13.20	12.99	13.09
3777	NASDAQ	CRVL	Tue, May 22, 2007	13.20	13.36	13.01	13.06
3776	NASDAQ	CRVL	Mon, May 21, 2007	13.02	13.45	13.02	13.24
3775	NASDAQ	CRVL	Fri, May 18, 2007	13.05	13.12	12.83	13.08
3774	NASDAQ	CRVL	Thu, May 17, 2007	13.15	13.49	13.02	13.03
3773	NASDAQ	CRVL	Wed, May 16, 2007	13.56	13.56	13.01	13.21
3772	NASDAQ	CRVL	Tue, May 15, 2007	13.57	13.75	13.05	13.09
3771	NASDAQ	CRVL	Mon, May 14, 2007	13.71	13.78	13.52	13.56
3770	NASDAQ	CRVL	Fri, May 11, 2007	13.75	13.90	13.63	13.76
3769	NASDAQ	CRVL	Thu, May 10, 2007	14.17	14.35	13.53	13.58
3768	NASDAQ	CRVL	Wed, May 9, 2007	13.52	14.40	13.52	14.29
3767	NASDAQ	CRVL	Tue, May 8, 2007	13.82	13.82	13.25	13.59
3766	NASDAQ	CRVL	Mon, May 7, 2007	13.44	14.10	13.44	13.94
3765	NASDAQ	CRVL	Fri, May 4, 2007	13.84	13.99	13.22	13.49
3764	NASDAQ	CRVL	Thu, May 3, 2007	13.54	14.34	13.54	13.79
3763	NASDAQ	CRVL	Wed, May 2, 2007	13.36	13.94	13.31	13.58
3762	NASDAQ	CRVL	Tue, May 1, 2007	13.59	13.62	13.29	13.40
3761	NASDAQ	CRVL	Mon, Apr 30, 2007	14.11	14.34	13.59	13.60
3760	NASDAQ	CRVL	Fri, Apr 27, 2007	14.15	14.48	14.02	14.11
3759	NASDAQ	CRVL	Thu, Apr 26, 2007	14.41	14.41	14.08	14.08
3758	NASDAQ	CRVL	Wed, Apr 25, 2007	14.24	14.61	14.14	14.45
3757	NASDAQ	CRVL	Tue, Apr 24, 2007	14.28	14.33	13.78	14.11
3756	NASDAQ	CRVL	Mon, Apr 23, 2007	14.36	14.49	13.95	14.22
3755	NASDAQ	CRVL	Fri, Apr 20, 2007	14.72	14.72	14.30	14.44
3754	NASDAQ	CRVL	Thu, Apr 19, 2007	14.41	14.70	14.25	14.50
3753	NASDAQ	CRVL	Wed, Apr 18, 2007	15.00	15.07	14.51	14.51
3752	NASDAQ	CRVL	Tue, Apr 17, 2007	15.37	15.37	14.96	15.18
3751	NASDAQ	CRVL	Mon, Apr 16, 2007	14.88	15.24	14.88	15.18
3750	NASDAQ	CRVL	Fri, Apr 13, 2007	14.59	14.86	14.52	14.85
3749	NASDAQ	CRVL	Thu, Apr 12, 2007	14.65	14.77	14.33	14.62
3748	NASDAQ	CRVL	Wed, Apr 11, 2007	14.95	14.95	14.23	14.77
3747	NASDAQ	CRVL	Tue, Apr 10, 2007	14.64	15.21	14.51	14.90
3746	NASDAQ	CRVL	Mon, Apr 9, 2007	14.75	14.82	14.50	14.64
3745	NASDAQ	CRVL	Thu, Apr 5, 2007	15.00	15.04	14.55	14.76
3744	NASDAQ	CRVL	Wed, Apr 4, 2007	14.78	15.11	14.78	15.00
3743	NASDAQ	CRVL	Tue, Apr 3, 2007	15.22	15.22	14.92	15.02
3742	NASDAQ	CRVL	Mon, Apr 2, 2007	15.13	15.21	14.91	15.17
3741	NASDAQ	CRVL	Fri, Mar 30, 2007	15.12	15.24	14.98	15.13
3740	NASDAQ	CRVL	Thu, Mar 29, 2007	15.17	15.33	14.98	15.03
3739	NASDAQ	CRVL	Wed, Mar 28, 2007	15.02	15.11	14.61	15.05
3738	NASDAQ	CRVL	Tue, Mar 27, 2007	15.45	15.45	14.94	15.10
3737	NASDAQ	CRVL	Mon, Mar 26, 2007	15.80	15.80	15.26	15.52
3736	NASDAQ	CRVL	Fri, Mar 23, 2007	15.66	16.20	15.53	15.80
3735	NASDAQ	CRVL	Thu, Mar 22, 2007	15.90	15.90	15.45	15.75
3734	NASDAQ	CRVL	Wed, Mar 21, 2007	15.37	15.96	15.36	15.93
3733	NASDAQ	CRVL	Tue, Mar 20, 2007	15.02	15.55	14.92	15.43
3732	NASDAQ	CRVL	Mon, Mar 19, 2007	15.00	15.24	14.84	15.08
3731	NASDAQ	CRVL	Fri, Mar 16, 2007	15.21	15.21	14.76	15.00
3730	NASDAQ	CRVL	Thu, Mar 15, 2007	14.93	15.30	14.62	15.24
3729	NASDAQ	CRVL	Wed, Mar 14, 2007	14.54	15.08	14.30	14.96
3728	NASDAQ	CRVL	Tue, Mar 13, 2007	14.96	15.14	14.57	14.60
3727	NASDAQ	CRVL	Mon, Mar 12, 2007	15.00	15.22	14.86	15.20
3726	NASDAQ	CRVL	Fri, Mar 9, 2007	14.78	15.28	14.78	15.10
3725	NASDAQ	CRVL	Thu, Mar 8, 2007	15.00	15.14	14.56	15.09
3724	NASDAQ	CRVL	Wed, Mar 7, 2007	14.85	14.95	14.59	14.92
3723	NASDAQ	CRVL	Tue, Mar 6, 2007	14.55	15.11	14.39	14.96
3722	NASDAQ	CRVL	Mon, Mar 5, 2007	14.93	15.15	14.40	14.48
3721	NASDAQ	CRVL	Fri, Mar 2, 2007	14.94	15.77	14.92	15.10
3720	NASDAQ	CRVL	Thu, Mar 1, 2007	14.89	15.59	14.52	15.30
3719	NASDAQ	CRVL	Wed, Feb 28, 2007	15.18	15.50	15.04	15.06
3718	NASDAQ	CRVL	Tue, Feb 27, 2007	15.75	16.10	15.14	15.23
3717	NASDAQ	CRVL	Mon, Feb 26, 2007	16.60	16.84	16.08	16.27
3716	NASDAQ	CRVL	Fri, Feb 23, 2007	16.54	16.95	16.48	16.66
3715	NASDAQ	CRVL	Thu, Feb 22, 2007	16.67	16.90	16.38	16.77
3714	NASDAQ	CRVL	Wed, Feb 21, 2007	16.70	17.11	16.29	16.90
3713	NASDAQ	CRVL	Tue, Feb 20, 2007	16.71	17.28	16.51	17.05
3712	NASDAQ	CRVL	Fri, Feb 16, 2007	17.16	17.28	16.66	16.83
3711	NASDAQ	CRVL	Thu, Feb 15, 2007	17.37	17.51	17.08	17.16
3710	NASDAQ	CRVL	Wed, Feb 14, 2007	18.12	18.18	17.17	17.32
3709	NASDAQ	CRVL	Tue, Feb 13, 2007	17.91	18.77	17.73	18.12
3708	NASDAQ	CRVL	Mon, Feb 12, 2007	18.60	18.67	17.76	17.91
3707	NASDAQ	CRVL	Fri, Feb 9, 2007	19.08	19.68	18.31	18.54
3706	NASDAQ	CRVL	Thu, Feb 8, 2007	22.63	22.75	18.85	19.15
3705	NASDAQ	CRVL	Wed, Feb 7, 2007	22.66	22.82	22.16	22.58
3704	NASDAQ	CRVL	Tue, Feb 6, 2007	23.47	23.57	22.65	22.76
3703	NASDAQ	CRVL	Mon, Feb 5, 2007	23.65	23.92	23.31	23.53
3702	NASDAQ	CRVL	Fri, Feb 2, 2007	24.09	24.09	23.54	23.76
3701	NASDAQ	CRVL	Thu, Feb 1, 2007	23.85	24.08	23.18	23.85
3700	NASDAQ	CRVL	Wed, Jan 31, 2007	23.81	23.89	23.30	23.57
3699	NASDAQ	CRVL	Tue, Jan 30, 2007	23.19	23.75	23.06	23.65
3698	NASDAQ	CRVL	Mon, Jan 29, 2007	22.03	23.18	22.03	23.10
3697	NASDAQ	CRVL	Fri, Jan 26, 2007	22.12	22.14	21.58	22.04
3696	NASDAQ	CRVL	Thu, Jan 25, 2007	22.37	22.46	21.93	22.13
3695	NASDAQ	CRVL	Wed, Jan 24, 2007	21.38	22.36	21.28	22.23
3694	NASDAQ	CRVL	Tue, Jan 23, 2007	21.38	21.78	21.20	21.38
3693	NASDAQ	CRVL	Mon, Jan 22, 2007	21.53	21.80	20.98	21.37
3692	NASDAQ	CRVL	Fri, Jan 19, 2007	21.25	21.85	21.07	21.72
3691	NASDAQ	CRVL	Thu, Jan 18, 2007	21.56	21.56	21.03	21.35
3690	NASDAQ	CRVL	Wed, Jan 17, 2007	21.38	21.69	21.23	21.56
3689	NASDAQ	CRVL	Tue, Jan 16, 2007	22.23	22.88	21.33	21.47
3688	NASDAQ	CRVL	Fri, Jan 12, 2007	21.72	22.54	21.15	22.27
3687	NASDAQ	CRVL	Thu, Jan 11, 2007	21.61	22.11	21.61	21.79
3686	NASDAQ	CRVL	Wed, Jan 10, 2007	21.51	21.90	20.97	21.80
3685	NASDAQ	CRVL	Tue, Jan 9, 2007	21.73	22.03	21.43	21.74
3684	NASDAQ	CRVL	Mon, Jan 8, 2007	21.40	22.14	20.48	21.61
3683	NASDAQ	CRVL	Fri, Jan 5, 2007	23.28	23.37	21.58	21.74
3682	NASDAQ	CRVL	Thu, Jan 4, 2007	24.08	24.24	23.30	23.39
3681	NASDAQ	CRVL	Wed, Jan 3, 2007	24.35	24.59	23.61	23.99
3680	NASDAQ	CRVL	Fri, Dec 29, 2006	24.39	24.70	23.52	23.79
3679	NASDAQ	CRVL	Thu, Dec 28, 2006	24.33	24.64	24.00	24.33
3678	NASDAQ	CRVL	Wed, Dec 27, 2006	24.12	24.54	24.06	24.29
3677	NASDAQ	CRVL	Tue, Dec 26, 2006	22.82	23.89	22.76	23.89
3676	NASDAQ	CRVL	Fri, Dec 22, 2006	23.73	23.73	22.88	22.92
3675	NASDAQ	CRVL	Thu, Dec 21, 2006	23.20	23.71	22.50	23.67
3674	NASDAQ	CRVL	Wed, Dec 20, 2006	23.21	24.05	22.99	23.08
3673	NASDAQ	CRVL	Tue, Dec 19, 2006	22.74	23.20	22.01	23.04
3672	NASDAQ	CRVL	Mon, Dec 18, 2006	22.74	23.19	22.29	22.83
3671	NASDAQ	CRVL	Fri, Dec 15, 2006	22.55	23.17	22.31	22.52
3670	NASDAQ	CRVL	Thu, Dec 14, 2006	21.39	22.57	21.20	22.29
3669	NASDAQ	CRVL	Wed, Dec 13, 2006	20.45	21.38	20.26	21.18
3668	NASDAQ	CRVL	Tue, Dec 12, 2006	20.48	20.48	19.98	20.11
3667	NASDAQ	CRVL	Mon, Dec 11, 2006	20.00	20.51	19.83	20.30
3666	NASDAQ	CRVL	Fri, Dec 8, 2006	19.57	20.29	19.57	20.08
3665	NASDAQ	CRVL	Thu, Dec 7, 2006	20.77	21.19	19.39	19.50
3664	NASDAQ	CRVL	Wed, Dec 6, 2006	20.28	20.98	20.26	20.69
3663	NASDAQ	CRVL	Tue, Dec 5, 2006	19.83	20.50	19.82	20.21
3662	NASDAQ	CRVL	Mon, Dec 4, 2006	18.96	19.77	18.96	19.63
3661	NASDAQ	CRVL	Fri, Dec 1, 2006	19.22	19.51	18.83	18.96
3660	NASDAQ	CRVL	Thu, Nov 30, 2006	18.29	19.24	18.24	19.09
3659	NASDAQ	CRVL	Wed, Nov 29, 2006	17.57	18.30	17.45	18.22
3658	NASDAQ	CRVL	Tue, Nov 28, 2006	17.80	17.80	17.22	17.42
3657	NASDAQ	CRVL	Mon, Nov 27, 2006	18.24	18.37	17.84	17.87
3656	NASDAQ	CRVL	Fri, Nov 24, 2006	18.27	18.43	18.27	18.35
3655	NASDAQ	CRVL	Wed, Nov 22, 2006	18.33	18.37	18.00	18.30
3654	NASDAQ	CRVL	Tue, Nov 21, 2006	18.58	18.75	18.21	18.21
3653	NASDAQ	CRVL	Mon, Nov 20, 2006	18.79	18.94	18.33	18.55
3652	NASDAQ	CRVL	Fri, Nov 17, 2006	18.69	19.08	18.33	18.78
3651	NASDAQ	CRVL	Thu, Nov 16, 2006	18.43	18.83	18.20	18.65
3650	NASDAQ	CRVL	Wed, Nov 15, 2006	18.03	18.72	17.85	18.38
3649	NASDAQ	CRVL	Tue, Nov 14, 2006	17.19	17.93	17.17	17.93
3648	NASDAQ	CRVL	Mon, Nov 13, 2006	15.54	17.16	15.54	17.15
3647	NASDAQ	CRVL	Fri, Nov 10, 2006	15.21	15.75	15.17	15.54
3646	NASDAQ	CRVL	Thu, Nov 9, 2006	15.14	15.40	14.99	15.33
3645	NASDAQ	CRVL	Wed, Nov 8, 2006	14.74	15.18	14.74	14.89
3644	NASDAQ	CRVL	Tue, Nov 7, 2006	15.21	15.62	14.77	14.88
3643	NASDAQ	CRVL	Mon, Nov 6, 2006	14.92	15.33	14.74	15.06
3642	NASDAQ	CRVL	Fri, Nov 3, 2006	14.59	15.05	14.59	14.85
3641	NASDAQ	CRVL	Thu, Nov 2, 2006	14.52	15.19	14.52	14.70
3640	NASDAQ	CRVL	Wed, Nov 1, 2006	14.35	14.96	14.33	14.61
3639	NASDAQ	CRVL	Tue, Oct 31, 2006	14.60	15.00	14.42	14.42
3638	NASDAQ	CRVL	Mon, Oct 30, 2006	14.88	15.06	14.52	14.60
3637	NASDAQ	CRVL	Fri, Oct 27, 2006	15.34	15.53	14.72	14.97
3636	NASDAQ	CRVL	Thu, Oct 26, 2006	15.26	15.68	15.03	15.34
3635	NASDAQ	CRVL	Wed, Oct 25, 2006	14.01	15.18	13.90	15.18
3634	NASDAQ	CRVL	Tue, Oct 24, 2006	13.69	14.00	13.68	13.88
3633	NASDAQ	CRVL	Mon, Oct 23, 2006	13.40	13.83	13.27	13.80
3632	NASDAQ	CRVL	Fri, Oct 20, 2006	13.50	13.67	13.19	13.30
3631	NASDAQ	CRVL	Thu, Oct 19, 2006	13.14	13.57	13.14	13.50
3630	NASDAQ	CRVL	Wed, Oct 18, 2006	13.67	13.73	13.22	13.28
3629	NASDAQ	CRVL	Tue, Oct 17, 2006	13.73	13.80	13.53	13.67
3628	NASDAQ	CRVL	Mon, Oct 16, 2006	12.84	13.82	12.83	13.82
3627	NASDAQ	CRVL	Fri, Oct 13, 2006	12.83	13.00	12.76	13.00
3626	NASDAQ	CRVL	Thu, Oct 12, 2006	12.83	12.83	12.68	12.76
3625	NASDAQ	CRVL	Wed, Oct 11, 2006	12.67	12.83	12.51	12.74
3624	NASDAQ	CRVL	Tue, Oct 10, 2006	12.78	12.82	12.47	12.67
3623	NASDAQ	CRVL	Mon, Oct 9, 2006	13.00	13.00	12.75	12.83
3622	NASDAQ	CRVL	Fri, Oct 6, 2006	13.15	13.31	12.89	12.96
3621	NASDAQ	CRVL	Thu, Oct 5, 2006	12.29	13.31	12.00	13.24
3620	NASDAQ	CRVL	Wed, Oct 4, 2006	12.03	12.21	11.95	12.21
3619	NASDAQ	CRVL	Tue, Oct 3, 2006	11.47	12.08	11.47	12.01
3618	NASDAQ	CRVL	Mon, Oct 2, 2006	11.63	12.12	11.41	11.44
3617	NASDAQ	CRVL	Fri, Sep 29, 2006	11.89	12.11	11.64	11.69
3616	NASDAQ	CRVL	Thu, Sep 28, 2006	12.00	12.14	11.87	12.05
3615	NASDAQ	CRVL	Wed, Sep 27, 2006	11.83	12.08	11.83	11.97
3614	NASDAQ	CRVL	Tue, Sep 26, 2006	12.09	12.09	11.74	11.92
3613	NASDAQ	CRVL	Mon, Sep 25, 2006	12.13	12.20	11.98	12.08
3612	NASDAQ	CRVL	Fri, Sep 22, 2006	11.98	12.22	11.93	12.07
3611	NASDAQ	CRVL	Thu, Sep 21, 2006	12.40	12.43	11.91	11.95
3610	NASDAQ	CRVL	Wed, Sep 20, 2006	12.43	12.47	12.30	12.38
3609	NASDAQ	CRVL	Tue, Sep 19, 2006	12.50	12.58	12.27	12.45
3608	NASDAQ	CRVL	Mon, Sep 18, 2006	12.59	12.62	12.30	12.56
3607	NASDAQ	CRVL	Fri, Sep 15, 2006	11.78	12.60	11.67	12.52
3606	NASDAQ	CRVL	Thu, Sep 14, 2006	11.83	11.83	11.58	11.67
3605	NASDAQ	CRVL	Wed, Sep 13, 2006	11.61	11.83	11.61	11.83
3604	NASDAQ	CRVL	Tue, Sep 12, 2006	11.67	11.83	11.48	11.82
3603	NASDAQ	CRVL	Mon, Sep 11, 2006	11.45	11.75	11.45	11.60
3602	NASDAQ	CRVL	Fri, Sep 8, 2006	11.45	11.64	11.29	11.47
3601	NASDAQ	CRVL	Thu, Sep 7, 2006	11.40	11.62	11.29	11.34
3600	NASDAQ	CRVL	Wed, Sep 6, 2006	11.77	11.77	11.62	11.63
3599	NASDAQ	CRVL	Tue, Sep 5, 2006	10.93	12.13	10.93	11.88
3598	NASDAQ	CRVL	Fri, Sep 1, 2006	10.50	10.99	10.37	10.90
3597	NASDAQ	CRVL	Thu, Aug 31, 2006	10.02	10.49	10.02	10.33
3596	NASDAQ	CRVL	Wed, Aug 30, 2006	9.88	10.06	9.83	10.02
3595	NASDAQ	CRVL	Tue, Aug 29, 2006	9.87	9.90	9.80	9.80
3594	NASDAQ	CRVL	Mon, Aug 28, 2006	9.73	9.83	9.63	9.82
3593	NASDAQ	CRVL	Fri, Aug 25, 2006	9.45	9.72	9.45	9.70
3592	NASDAQ	CRVL	Thu, Aug 24, 2006	9.81	9.83	9.57	9.64
3591	NASDAQ	CRVL	Wed, Aug 23, 2006	9.78	9.83	9.69	9.74
3590	NASDAQ	CRVL	Tue, Aug 22, 2006	9.83	9.92	9.62	9.64
3589	NASDAQ	CRVL	Mon, Aug 21, 2006	9.83	9.83	9.60	9.75
3588	NASDAQ	CRVL	Fri, Aug 18, 2006	9.58	9.83	9.58	9.72
3587	NASDAQ	CRVL	Thu, Aug 17, 2006	9.84	9.99	9.61	9.67
3586	NASDAQ	CRVL	Wed, Aug 16, 2006	10.11	10.24	9.83	9.90
3585	NASDAQ	CRVL	Tue, Aug 15, 2006	9.83	10.15	9.83	10.03
3584	NASDAQ	CRVL	Mon, Aug 14, 2006	9.13	9.82	9.09	9.73
3583	NASDAQ	CRVL	Fri, Aug 11, 2006	8.85	9.15	8.85	9.02
3582	NASDAQ	CRVL	Thu, Aug 10, 2006	8.71	9.29	8.67	8.93
3581	NASDAQ	CRVL	Wed, Aug 9, 2006	9.30	9.30	8.61	8.61
3580	NASDAQ	CRVL	Tue, Aug 8, 2006	9.13	9.38	9.02	9.17
3579	NASDAQ	CRVL	Mon, Aug 7, 2006	9.03	9.15	8.95	9.15
3578	NASDAQ	CRVL	Fri, Aug 4, 2006	9.16	9.33	8.91	9.12
3577	NASDAQ	CRVL	Thu, Aug 3, 2006	8.53	9.16	8.53	9.04
3576	NASDAQ	CRVL	Wed, Aug 2, 2006	8.36	8.87	7.99	8.65
3575	NASDAQ	CRVL	Tue, Aug 1, 2006	8.65	8.67	8.31	8.35
3574	NASDAQ	CRVL	Mon, Jul 31, 2006	8.35	8.65	8.33	8.55
3573	NASDAQ	CRVL	Fri, Jul 28, 2006	8.41	8.56	8.33	8.42
3572	NASDAQ	CRVL	Thu, Jul 27, 2006	8.83	8.83	8.33	8.33
3571	NASDAQ	CRVL	Wed, Jul 26, 2006	8.77	8.85	8.64	8.67
3570	NASDAQ	CRVL	Tue, Jul 25, 2006	8.87	8.92	8.69	8.87
3569	NASDAQ	CRVL	Mon, Jul 24, 2006	8.28	9.00	8.28	8.89
3568	NASDAQ	CRVL	Fri, Jul 21, 2006	8.37	8.37	8.03	8.19
3567	NASDAQ	CRVL	Thu, Jul 20, 2006	9.08	9.12	8.37	8.43
3566	NASDAQ	CRVL	Wed, Jul 19, 2006	8.70	9.07	8.68	9.07
3565	NASDAQ	CRVL	Tue, Jul 18, 2006	8.24	8.73	8.15	8.73
3564	NASDAQ	CRVL	Mon, Jul 17, 2006	8.23	8.27	8.08	8.15
3563	NASDAQ	CRVL	Fri, Jul 14, 2006	8.26	8.37	8.21	8.30
3562	NASDAQ	CRVL	Thu, Jul 13, 2006	8.33	8.38	8.25	8.27
3561	NASDAQ	CRVL	Wed, Jul 12, 2006	8.83	8.84	8.39	8.39
3560	NASDAQ	CRVL	Tue, Jul 11, 2006	8.33	8.93	8.33	8.89
3559	NASDAQ	CRVL	Mon, Jul 10, 2006	8.30	8.55	8.30	8.40
3558	NASDAQ	CRVL	Fri, Jul 7, 2006	8.50	8.65	8.35	8.40
3557	NASDAQ	CRVL	Thu, Jul 6, 2006	8.55	8.63	8.48	8.63
3556	NASDAQ	CRVL	Wed, Jul 5, 2006	8.31	8.63	8.31	8.52
3555	NASDAQ	CRVL	Mon, Jul 3, 2006	8.33	8.50	8.27	8.50
3554	NASDAQ	CRVL	Fri, Jun 30, 2006	7.91	8.33	7.75	8.33
3553	NASDAQ	CRVL	Thu, Jun 29, 2006	7.33	7.89	7.30	7.88
3552	NASDAQ	CRVL	Wed, Jun 28, 2006	7.62	7.72	7.26	7.31
3551	NASDAQ	CRVL	Tue, Jun 27, 2006	7.90	8.09	7.65	7.65
3550	NASDAQ	CRVL	Mon, Jun 26, 2006	7.40	7.89	7.37	7.85
3549	NASDAQ	CRVL	Fri, Jun 23, 2006	7.55	7.56	7.11	7.41
3548	NASDAQ	CRVL	Thu, Jun 22, 2006	8.04	8.04	7.35	7.62
3547	NASDAQ	CRVL	Wed, Jun 21, 2006	7.70	8.04	7.69	8.04
3546	NASDAQ	CRVL	Tue, Jun 20, 2006	7.59	7.67	7.42	7.63
3545	NASDAQ	CRVL	Mon, Jun 19, 2006	7.72	8.03	7.50	7.64
3544	NASDAQ	CRVL	Fri, Jun 16, 2006	8.62	8.67	7.73	7.82
3543	NASDAQ	CRVL	Thu, Jun 15, 2006	8.80	8.80	8.52	8.66
3542	NASDAQ	CRVL	Wed, Jun 14, 2006	8.74	8.82	8.67	8.78
3541	NASDAQ	CRVL	Tue, Jun 13, 2006	8.63	8.81	8.49	8.74
3540	NASDAQ	CRVL	Mon, Jun 12, 2006	8.55	8.76	8.50	8.59
3539	NASDAQ	CRVL	Fri, Jun 9, 2006	8.58	8.67	8.56	8.62
3538	NASDAQ	CRVL	Thu, Jun 8, 2006	8.47	8.62	8.41	8.59
3537	NASDAQ	CRVL	Wed, Jun 7, 2006	8.46	8.58	8.46	8.58
3536	NASDAQ	CRVL	Tue, Jun 6, 2006	8.32	8.58	8.32	8.58
3535	NASDAQ	CRVL	Mon, Jun 5, 2006	8.35	8.73	8.22	8.24
3534	NASDAQ	CRVL	Fri, Jun 2, 2006	8.50	8.67	8.37	8.44
3533	NASDAQ	CRVL	Thu, Jun 1, 2006	7.68	8.50	7.68	8.36
3532	NASDAQ	CRVL	Wed, May 31, 2006	7.50	7.99	7.45	7.91
3531	NASDAQ	CRVL	Tue, May 30, 2006	7.76	7.76	7.41	7.42
3530	NASDAQ	CRVL	Fri, May 26, 2006	7.83	7.93	7.80	7.88
3529	NASDAQ	CRVL	Thu, May 25, 2006	7.77	7.83	7.67	7.72
3528	NASDAQ	CRVL	Wed, May 24, 2006	7.34	7.71	7.19	7.69
3527	NASDAQ	CRVL	Tue, May 23, 2006	6.98	7.34	6.98	7.13
3526	NASDAQ	CRVL	Mon, May 22, 2006	6.97	7.15	6.85	6.94
3525	NASDAQ	CRVL	Fri, May 19, 2006	7.07	7.07	6.88	6.98
3524	NASDAQ	CRVL	Thu, May 18, 2006	7.38	7.38	7.14	7.18
3523	NASDAQ	CRVL	Wed, May 17, 2006	7.22	7.37	7.22	7.34
3522	NASDAQ	CRVL	Tue, May 16, 2006	7.29	7.37	7.26	7.31
3521	NASDAQ	CRVL	Mon, May 15, 2006	7.32	7.35	7.25	7.32
3520	NASDAQ	CRVL	Fri, May 12, 2006	7.28	7.68	7.28	7.37
3519	NASDAQ	CRVL	Thu, May 11, 2006	7.43	7.58	7.32	7.33
3518	NASDAQ	CRVL	Wed, May 10, 2006	7.42	7.51	7.42	7.48
3517	NASDAQ	CRVL	Tue, May 9, 2006	7.78	7.78	7.46	7.49
3516	NASDAQ	CRVL	Mon, May 8, 2006	7.25	7.80	7.25	7.72
3515	NASDAQ	CRVL	Fri, May 5, 2006	7.38	7.40	7.32	7.36
3514	NASDAQ	CRVL	Thu, May 4, 2006	7.30	7.44	7.30	7.38
3513	NASDAQ	CRVL	Wed, May 3, 2006	7.54	7.54	7.31	7.34
3512	NASDAQ	CRVL	Tue, May 2, 2006	7.33	7.39	7.33	7.39
3511	NASDAQ	CRVL	Mon, May 1, 2006	7.08	7.51	7.08	7.30
3510	NASDAQ	CRVL	Fri, Apr 28, 2006	7.23	7.45	6.83	7.36
3509	NASDAQ	CRVL	Thu, Apr 27, 2006	7.13	7.48	7.00	7.45
3508	NASDAQ	CRVL	Wed, Apr 26, 2006	7.28	7.37	7.07	7.22
3507	NASDAQ	CRVL	Tue, Apr 25, 2006	6.97	7.22	6.86	7.22
3506	NASDAQ	CRVL	Mon, Apr 24, 2006	7.09	7.13	6.86	7.01
3505	NASDAQ	CRVL	Fri, Apr 21, 2006	7.15	7.15	6.79	7.04
3504	NASDAQ	CRVL	Thu, Apr 20, 2006	6.88	7.08	6.60	7.02
3503	NASDAQ	CRVL	Wed, Apr 19, 2006	7.04	7.15	6.86	6.90
3502	NASDAQ	CRVL	Tue, Apr 18, 2006	6.61	6.91	6.60	6.85
3501	NASDAQ	CRVL	Mon, Apr 17, 2006	6.90	6.92	6.68	6.79
3500	NASDAQ	CRVL	Thu, Apr 13, 2006	6.90	7.07	6.90	6.98
3499	NASDAQ	CRVL	Wed, Apr 12, 2006	7.03	7.06	6.94	6.98
3498	NASDAQ	CRVL	Tue, Apr 11, 2006	7.11	7.11	6.89	6.98
3497	NASDAQ	CRVL	Mon, Apr 10, 2006	7.28	7.28	6.96	7.04
3496	NASDAQ	CRVL	Fri, Apr 7, 2006	7.53	7.53	7.23	7.23
3495	NASDAQ	CRVL	Thu, Apr 6, 2006	7.89	7.89	7.55	7.55
3494	NASDAQ	CRVL	Wed, Apr 5, 2006	8.28	8.28	7.94	8.00
3493	NASDAQ	CRVL	Tue, Apr 4, 2006	7.83	8.70	7.83	8.09
3492	NASDAQ	CRVL	Mon, Apr 3, 2006	7.28	8.03	7.26	7.85
3491	NASDAQ	CRVL	Fri, Mar 31, 2006	6.94	7.34	6.94	7.34
3490	NASDAQ	CRVL	Thu, Mar 30, 2006	6.80	7.07	6.73	7.07
3489	NASDAQ	CRVL	Wed, Mar 29, 2006	6.75	6.84	6.75	6.83
3488	NASDAQ	CRVL	Tue, Mar 28, 2006	6.60	6.73	6.55	6.71
3487	NASDAQ	CRVL	Mon, Mar 27, 2006	6.64	6.65	6.53	6.65
3486	NASDAQ	CRVL	Fri, Mar 24, 2006	6.61	6.67	6.54	6.64
3485	NASDAQ	CRVL	Thu, Mar 23, 2006	6.67	6.68	6.59	6.65
3484	NASDAQ	CRVL	Wed, Mar 22, 2006	6.66	6.71	6.52	6.69
3483	NASDAQ	CRVL	Tue, Mar 21, 2006	6.61	6.81	6.56	6.66
3482	NASDAQ	CRVL	Mon, Mar 20, 2006	6.72	6.77	6.55	6.67
3481	NASDAQ	CRVL	Fri, Mar 17, 2006	7.02	7.15	6.76	6.81
3480	NASDAQ	CRVL	Thu, Mar 16, 2006	6.80	7.23	6.75	6.97
3479	NASDAQ	CRVL	Wed, Mar 15, 2006	6.80	6.80	6.63	6.75
3478	NASDAQ	CRVL	Tue, Mar 14, 2006	6.60	6.74	6.54	6.74
3477	NASDAQ	CRVL	Mon, Mar 13, 2006	6.73	6.82	6.58	6.67
3476	NASDAQ	CRVL	Fri, Mar 10, 2006	6.40	6.73	6.40	6.73
3475	NASDAQ	CRVL	Thu, Mar 9, 2006	6.42	6.58	6.42	6.42
3474	NASDAQ	CRVL	Wed, Mar 8, 2006	6.38	6.44	6.37	6.41
3473	NASDAQ	CRVL	Tue, Mar 7, 2006	6.36	6.39	6.21	6.32
3472	NASDAQ	CRVL	Mon, Mar 6, 2006	6.25	6.48	6.23	6.34
3471	NASDAQ	CRVL	Fri, Mar 3, 2006	6.32	6.50	6.23	6.43
3470	NASDAQ	CRVL	Thu, Mar 2, 2006	6.55	6.62	6.33	6.37
3469	NASDAQ	CRVL	Wed, Mar 1, 2006	6.49	6.65	6.43	6.63
3468	NASDAQ	CRVL	Tue, Feb 28, 2006	6.67	6.67	6.44	6.50
3467	NASDAQ	CRVL	Mon, Feb 27, 2006	6.64	6.70	6.64	6.67
3466	NASDAQ	CRVL	Fri, Feb 24, 2006	6.82	6.87	6.67	6.67
3465	NASDAQ	CRVL	Thu, Feb 23, 2006	6.80	6.90	6.80	6.80
3464	NASDAQ	CRVL	Wed, Feb 22, 2006	6.79	6.79	6.67	6.77
3463	NASDAQ	CRVL	Tue, Feb 21, 2006	6.80	6.88	6.67	6.70
3462	NASDAQ	CRVL	Fri, Feb 17, 2006	6.75	6.91	6.73	6.83
3461	NASDAQ	CRVL	Thu, Feb 16, 2006	6.79	6.79	6.67	6.73
3460	NASDAQ	CRVL	Wed, Feb 15, 2006	6.80	6.94	6.78	6.79
3459	NASDAQ	CRVL	Tue, Feb 14, 2006	6.50	6.85	6.49	6.83
3458	NASDAQ	CRVL	Mon, Feb 13, 2006	6.60	6.62	6.44	6.52
3457	NASDAQ	CRVL	Fri, Feb 10, 2006	6.37	6.63	6.37	6.57
3456	NASDAQ	CRVL	Thu, Feb 9, 2006	6.01	6.49	6.01	6.47
3455	NASDAQ	CRVL	Wed, Feb 8, 2006	5.73	5.99	5.73	5.94
3454	NASDAQ	CRVL	Tue, Feb 7, 2006	5.77	5.84	5.62	5.75
3453	NASDAQ	CRVL	Mon, Feb 6, 2006	5.92	5.92	5.80	5.88
3452	NASDAQ	CRVL	Fri, Feb 3, 2006	6.15	6.15	5.94	5.96
3451	NASDAQ	CRVL	Thu, Feb 2, 2006	6.08	6.10	6.00	6.00
3450	NASDAQ	CRVL	Wed, Feb 1, 2006	6.13	6.13	6.05	6.09
3449	NASDAQ	CRVL	Tue, Jan 31, 2006	6.18	6.19	6.06	6.13
3448	NASDAQ	CRVL	Mon, Jan 30, 2006	6.23	6.23	6.15	6.21
3447	NASDAQ	CRVL	Fri, Jan 27, 2006	6.23	6.27	6.21	6.27
3446	NASDAQ	CRVL	Thu, Jan 26, 2006	6.28	6.29	6.11	6.23
3445	NASDAQ	CRVL	Wed, Jan 25, 2006	6.35	6.35	6.13	6.22
3444	NASDAQ	CRVL	Tue, Jan 24, 2006	6.35	6.38	6.32	6.38
3443	NASDAQ	CRVL	Mon, Jan 23, 2006	6.39	6.39	6.30	6.34
3442	NASDAQ	CRVL	Fri, Jan 20, 2006	6.37	6.39	6.32	6.33
3441	NASDAQ	CRVL	Thu, Jan 19, 2006	6.39	6.39	6.31	6.33
3440	NASDAQ	CRVL	Wed, Jan 18, 2006	6.28	6.55	6.24	6.35
3439	NASDAQ	CRVL	Tue, Jan 17, 2006	6.24	6.43	6.24	6.37
3438	NASDAQ	CRVL	Fri, Jan 13, 2006	6.08	6.42	6.08	6.32
3437	NASDAQ	CRVL	Thu, Jan 12, 2006	6.14	6.21	6.05	6.05
3436	NASDAQ	CRVL	Wed, Jan 11, 2006	6.16	6.35	6.13	6.20
3435	NASDAQ	CRVL	Tue, Jan 10, 2006	6.08	6.26	6.07	6.21
3434	NASDAQ	CRVL	Mon, Jan 9, 2006	6.21	6.21	6.06	6.07
3433	NASDAQ	CRVL	Fri, Jan 6, 2006	6.21	6.32	6.05	6.21
3432	NASDAQ	CRVL	Thu, Jan 5, 2006	6.40	6.40	6.32	6.32
3431	NASDAQ	CRVL	Wed, Jan 4, 2006	6.46	6.48	6.33	6.35
3430	NASDAQ	CRVL	Tue, Jan 3, 2006	6.32	6.46	6.30	6.46
3429	NASDAQ	CRVL	Fri, Dec 30, 2005	6.08	6.35	6.05	6.33
3428	NASDAQ	CRVL	Thu, Dec 29, 2005	6.17	6.21	6.08	6.15
3427	NASDAQ	CRVL	Wed, Dec 28, 2005	6.22	6.22	6.13	6.19
3426	NASDAQ	CRVL	Tue, Dec 27, 2005	6.35	6.42	6.30	6.32
3425	NASDAQ	CRVL	Fri, Dec 23, 2005	6.45	6.47	6.35	6.47
3424	NASDAQ	CRVL	Thu, Dec 22, 2005	6.51	6.57	6.42	6.49
3423	NASDAQ	CRVL	Wed, Dec 21, 2005	6.64	6.70	6.56	6.56
3422	NASDAQ	CRVL	Tue, Dec 20, 2005	6.80	6.80	6.58	6.60
3421	NASDAQ	CRVL	Mon, Dec 19, 2005	7.02	7.02	6.76	6.83
3420	NASDAQ	CRVL	Fri, Dec 16, 2005	6.94	7.19	6.94	6.94
3419	NASDAQ	CRVL	Thu, Dec 15, 2005	7.05	7.05	6.93	6.94
3418	NASDAQ	CRVL	Wed, Dec 14, 2005	7.08	7.10	6.96	7.08
3417	NASDAQ	CRVL	Tue, Dec 13, 2005	7.08	7.08	6.89	6.93
3416	NASDAQ	CRVL	Mon, Dec 12, 2005	7.05	7.22	6.98	7.15
3415	NASDAQ	CRVL	Fri, Dec 9, 2005	6.97	7.17	6.97	7.05
3414	NASDAQ	CRVL	Thu, Dec 8, 2005	6.58	7.00	6.55	6.95
3413	NASDAQ	CRVL	Wed, Dec 7, 2005	6.33	6.63	6.23	6.58
3412	NASDAQ	CRVL	Tue, Dec 6, 2005	5.93	6.40	5.93	6.37
3411	NASDAQ	CRVL	Mon, Dec 5, 2005	5.65	6.03	5.55	5.85
3410	NASDAQ	CRVL	Fri, Dec 2, 2005	5.50	5.66	5.47	5.66
3409	NASDAQ	CRVL	Thu, Dec 1, 2005	5.50	5.50	5.40	5.49
3408	NASDAQ	CRVL	Wed, Nov 30, 2005	5.52	5.52	5.31	5.40
3407	NASDAQ	CRVL	Tue, Nov 29, 2005	5.50	5.50	5.36	5.43
3406	NASDAQ	CRVL	Mon, Nov 28, 2005	5.45	5.51	5.30	5.45
3405	NASDAQ	CRVL	Fri, Nov 25, 2005	5.53	5.53	5.47	5.47
3404	NASDAQ	CRVL	Wed, Nov 23, 2005	5.51	5.54	5.47	5.48
3403	NASDAQ	CRVL	Tue, Nov 22, 2005	5.57	5.57	5.44	5.50
3402	NASDAQ	CRVL	Mon, Nov 21, 2005	5.53	5.57	5.48	5.52
3401	NASDAQ	CRVL	Fri, Nov 18, 2005	5.63	5.63	5.50	5.53
3400	NASDAQ	CRVL	Thu, Nov 17, 2005	5.56	5.58	5.54	5.54
3399	NASDAQ	CRVL	Wed, Nov 16, 2005	5.58	5.62	5.54	5.56
3398	NASDAQ	CRVL	Tue, Nov 15, 2005	5.63	5.72	5.58	5.62
3397	NASDAQ	CRVL	Mon, Nov 14, 2005	5.84	5.84	5.53	5.53
3396	NASDAQ	CRVL	Fri, Nov 11, 2005	5.83	5.84	5.72	5.77
3395	NASDAQ	CRVL	Thu, Nov 10, 2005	5.88	6.04	5.78	5.83
3394	NASDAQ	CRVL	Wed, Nov 9, 2005	5.89	5.94	5.81	5.82
3393	NASDAQ	CRVL	Tue, Nov 8, 2005	5.87	5.92	5.75	5.87
3392	NASDAQ	CRVL	Mon, Nov 7, 2005	6.50	6.50	5.73	5.81
3391	NASDAQ	CRVL	Fri, Nov 4, 2005	6.50	6.62	6.50	6.57
3390	NASDAQ	CRVL	Thu, Nov 3, 2005	7.30	7.30	6.50	6.53
3389	NASDAQ	CRVL	Wed, Nov 2, 2005	7.23	7.31	7.23	7.28
3388	NASDAQ	CRVL	Tue, Nov 1, 2005	7.24	7.27	7.18	7.23
3387	NASDAQ	CRVL	Mon, Oct 31, 2005	6.91	7.33	6.91	7.33
3386	NASDAQ	CRVL	Fri, Oct 28, 2005	6.85	6.93	6.74	6.83
3385	NASDAQ	CRVL	Thu, Oct 27, 2005	6.64	6.75	6.58	6.72
3384	NASDAQ	CRVL	Wed, Oct 26, 2005	7.24	7.25	6.51	6.72
3383	NASDAQ	CRVL	Tue, Oct 25, 2005	7.20	7.32	7.03	7.12
3382	NASDAQ	CRVL	Mon, Oct 24, 2005	7.15	7.37	7.15	7.37
3381	NASDAQ	CRVL	Fri, Oct 21, 2005	7.17	7.21	7.04	7.11
3380	NASDAQ	CRVL	Thu, Oct 20, 2005	7.34	7.35	7.16	7.29
3379	NASDAQ	CRVL	Wed, Oct 19, 2005	7.13	7.37	7.13	7.37
3378	NASDAQ	CRVL	Tue, Oct 18, 2005	7.33	7.35	7.23	7.29
3377	NASDAQ	CRVL	Mon, Oct 17, 2005	7.46	7.48	6.97	7.39
3376	NASDAQ	CRVL	Fri, Oct 14, 2005	7.68	7.68	7.36	7.43
3375	NASDAQ	CRVL	Thu, Oct 13, 2005	7.37	7.70	7.35	7.60
3374	NASDAQ	CRVL	Wed, Oct 12, 2005	7.29	7.47	7.28	7.42
3373	NASDAQ	CRVL	Tue, Oct 11, 2005	7.49	7.56	7.34	7.35
3372	NASDAQ	CRVL	Mon, Oct 10, 2005	7.38	7.59	7.38	7.47
3371	NASDAQ	CRVL	Fri, Oct 7, 2005	7.55	7.55	7.30	7.53
3370	NASDAQ	CRVL	Thu, Oct 6, 2005	7.31	7.62	7.30	7.47
3369	NASDAQ	CRVL	Wed, Oct 5, 2005	7.56	7.59	7.22	7.26
3368	NASDAQ	CRVL	Tue, Oct 4, 2005	7.68	7.99	7.57	7.60
3367	NASDAQ	CRVL	Mon, Oct 3, 2005	7.93	7.99	7.71	7.71
3366	NASDAQ	CRVL	Fri, Sep 30, 2005	8.00	8.00	7.92	7.99
3365	NASDAQ	CRVL	Thu, Sep 29, 2005	8.06	8.06	7.97	8.02
3364	NASDAQ	CRVL	Wed, Sep 28, 2005	8.01	8.18	7.84	7.99
3363	NASDAQ	CRVL	Tue, Sep 27, 2005	7.96	8.26	7.85	8.06
3362	NASDAQ	CRVL	Mon, Sep 26, 2005	7.70	8.44	7.58	8.03
3361	NASDAQ	CRVL	Fri, Sep 23, 2005	7.61	7.80	7.59	7.72
3360	NASDAQ	CRVL	Thu, Sep 22, 2005	7.58	7.98	7.58	7.67
3359	NASDAQ	CRVL	Wed, Sep 21, 2005	7.71	7.77	7.58	7.63
3358	NASDAQ	CRVL	Tue, Sep 20, 2005	7.76	7.87	7.68	7.79
3357	NASDAQ	CRVL	Mon, Sep 19, 2005	7.96	7.96	7.73	7.82
3356	NASDAQ	CRVL	Fri, Sep 16, 2005	7.85	7.90	7.76	7.83
3355	NASDAQ	CRVL	Thu, Sep 15, 2005	7.77	7.83	7.69	7.78
3354	NASDAQ	CRVL	Wed, Sep 14, 2005	7.70	7.78	7.63	7.75
3353	NASDAQ	CRVL	Tue, Sep 13, 2005	7.77	7.81	7.69	7.72
3352	NASDAQ	CRVL	Mon, Sep 12, 2005	7.73	7.87	7.66	7.77
3351	NASDAQ	CRVL	Fri, Sep 9, 2005	7.72	7.94	7.71	7.85
3350	NASDAQ	CRVL	Thu, Sep 8, 2005	7.83	7.88	7.75	7.85
3349	NASDAQ	CRVL	Wed, Sep 7, 2005	7.95	7.95	7.72	7.75
3348	NASDAQ	CRVL	Tue, Sep 6, 2005	7.90	8.20	7.73	7.90
3347	NASDAQ	CRVL	Fri, Sep 2, 2005	7.89	8.18	7.85	7.88
3346	NASDAQ	CRVL	Thu, Sep 1, 2005	7.98	8.01	7.84	7.89
3345	NASDAQ	CRVL	Wed, Aug 31, 2005	7.77	7.98	7.76	7.89
3344	NASDAQ	CRVL	Tue, Aug 30, 2005	7.83	7.96	7.73	7.89
3343	NASDAQ	CRVL	Mon, Aug 29, 2005	8.00	8.10	7.63	7.74
3342	NASDAQ	CRVL	Fri, Aug 26, 2005	8.33	8.42	7.95	8.05
3341	NASDAQ	CRVL	Thu, Aug 25, 2005	8.50	8.50	8.22	8.33
3340	NASDAQ	CRVL	Wed, Aug 24, 2005	8.36	8.37	8.28	8.33
3339	NASDAQ	CRVL	Tue, Aug 23, 2005	8.47	8.61	8.18	8.32
3338	NASDAQ	CRVL	Mon, Aug 22, 2005	8.40	8.48	8.21	8.42
3337	NASDAQ	CRVL	Fri, Aug 19, 2005	8.51	8.81	8.32	8.45
3336	NASDAQ	CRVL	Thu, Aug 18, 2005	8.35	8.79	8.29	8.56
3335	NASDAQ	CRVL	Wed, Aug 17, 2005	8.07	8.60	8.07	8.47
3334	NASDAQ	CRVL	Tue, Aug 16, 2005	8.47	8.78	8.13	8.16
3333	NASDAQ	CRVL	Mon, Aug 15, 2005	8.26	8.72	8.12	8.55
3332	NASDAQ	CRVL	Fri, Aug 12, 2005	8.46	8.46	8.15	8.37
3331	NASDAQ	CRVL	Thu, Aug 11, 2005	8.27	8.40	8.05	8.40
3330	NASDAQ	CRVL	Wed, Aug 10, 2005	8.43	8.53	8.18	8.18
3329	NASDAQ	CRVL	Tue, Aug 9, 2005	8.17	8.50	8.17	8.50
3328	NASDAQ	CRVL	Mon, Aug 8, 2005	8.26	8.52	8.02	8.52
3327	NASDAQ	CRVL	Fri, Aug 5, 2005	8.53	8.98	8.00	8.04
3326	NASDAQ	CRVL	Thu, Aug 4, 2005	8.96	8.96	8.67	8.67
3325	NASDAQ	CRVL	Wed, Aug 3, 2005	8.87	8.97	8.84	8.84
3324	NASDAQ	CRVL	Tue, Aug 2, 2005	9.23	9.33	8.85	9.02
3323	NASDAQ	CRVL	Mon, Aug 1, 2005	8.86	9.00	8.84	8.97
3322	NASDAQ	CRVL	Fri, Jul 29, 2005	8.11	9.15	8.11	8.95
3321	NASDAQ	CRVL	Thu, Jul 28, 2005	8.28	8.44	8.12	8.20
3320	NASDAQ	CRVL	Wed, Jul 27, 2005	8.14	8.18	7.73	8.11
3319	NASDAQ	CRVL	Tue, Jul 26, 2005	8.99	9.01	8.15	8.27
3318	NASDAQ	CRVL	Mon, Jul 25, 2005	8.97	9.03	8.75	8.92
3317	NASDAQ	CRVL	Fri, Jul 22, 2005	8.92	8.99	8.67	8.97
3316	NASDAQ	CRVL	Thu, Jul 21, 2005	9.16	9.33	8.92	8.92
3315	NASDAQ	CRVL	Wed, Jul 20, 2005	8.87	9.17	8.87	9.13
3314	NASDAQ	CRVL	Tue, Jul 19, 2005	8.79	9.10	8.65	9.10
3313	NASDAQ	CRVL	Mon, Jul 18, 2005	8.58	8.67	8.51	8.60
3312	NASDAQ	CRVL	Fri, Jul 15, 2005	8.33	8.50	8.08	8.40
3311	NASDAQ	CRVL	Thu, Jul 14, 2005	9.33	9.33	8.27	8.35
3310	NASDAQ	CRVL	Wed, Jul 13, 2005	9.29	9.29	9.09	9.09
3309	NASDAQ	CRVL	Tue, Jul 12, 2005	9.39	9.42	9.30	9.30
3308	NASDAQ	CRVL	Mon, Jul 11, 2005	9.33	9.67	9.17	9.59
3307	NASDAQ	CRVL	Fri, Jul 8, 2005	8.84	9.33	8.84	9.33
3306	NASDAQ	CRVL	Thu, Jul 7, 2005	8.83	9.08	8.68	9.00
3305	NASDAQ	CRVL	Wed, Jul 6, 2005	9.15	9.15	8.67	9.11
3304	NASDAQ	CRVL	Tue, Jul 5, 2005	8.50	9.15	8.31	9.15
3303	NASDAQ	CRVL	Fri, Jul 1, 2005	8.36	8.44	8.25	8.40
3302	NASDAQ	CRVL	Thu, Jun 30, 2005	8.65	8.65	8.01	8.37
3301	NASDAQ	CRVL	Wed, Jun 29, 2005	8.68	8.83	8.68	8.76
3300	NASDAQ	CRVL	Tue, Jun 28, 2005	8.52	8.83	8.52	8.83
3299	NASDAQ	CRVL	Mon, Jun 27, 2005	8.43	8.65	8.42	8.65
3298	NASDAQ	CRVL	Fri, Jun 24, 2005	8.85	8.94	8.41	8.44
3297	NASDAQ	CRVL	Thu, Jun 23, 2005	9.19	9.25	8.93	8.93
3296	NASDAQ	CRVL	Wed, Jun 22, 2005	9.33	9.33	9.13	9.26
3295	NASDAQ	CRVL	Tue, Jun 21, 2005	9.38	9.45	9.13	9.18
3294	NASDAQ	CRVL	Mon, Jun 20, 2005	9.12	9.49	9.04	9.36
3293	NASDAQ	CRVL	Fri, Jun 17, 2005	9.40	9.40	8.89	9.10
3292	NASDAQ	CRVL	Thu, Jun 16, 2005	9.29	9.33	9.20	9.33
3291	NASDAQ	CRVL	Wed, Jun 15, 2005	9.46	9.46	9.06	9.26
3290	NASDAQ	CRVL	Tue, Jun 14, 2005	9.12	9.48	9.12	9.43
3289	NASDAQ	CRVL	Mon, Jun 13, 2005	8.99	9.14	8.99	9.00
3288	NASDAQ	CRVL	Fri, Jun 10, 2005	9.06	9.22	8.95	8.99
3287	NASDAQ	CRVL	Thu, Jun 9, 2005	8.97	9.12	8.87	9.07
3286	NASDAQ	CRVL	Wed, Jun 8, 2005	9.17	9.40	8.93	9.02
3285	NASDAQ	CRVL	Tue, Jun 7, 2005	9.12	9.33	9.07	9.28
3284	NASDAQ	CRVL	Mon, Jun 6, 2005	9.00	9.17	9.00	9.12
3283	NASDAQ	CRVL	Fri, Jun 3, 2005	9.13	9.17	8.98	9.07
3282	NASDAQ	CRVL	Thu, Jun 2, 2005	9.12	9.12	8.98	9.07
3281	NASDAQ	CRVL	Wed, Jun 1, 2005	8.93	9.16	8.91	9.08
3280	NASDAQ	CRVL	Tue, May 31, 2005	8.79	8.96	8.79	8.85
3279	NASDAQ	CRVL	Fri, May 27, 2005	9.02	9.08	8.79	9.02
3278	NASDAQ	CRVL	Thu, May 26, 2005	8.83	9.15	8.83	9.15
3277	NASDAQ	CRVL	Wed, May 25, 2005	8.86	8.93	8.71	8.83
3276	NASDAQ	CRVL	Tue, May 24, 2005	8.99	9.12	8.72	9.02
3275	NASDAQ	CRVL	Mon, May 23, 2005	8.87	9.14	8.80	8.92
3274	NASDAQ	CRVL	Fri, May 20, 2005	9.30	9.30	8.79	9.08
3273	NASDAQ	CRVL	Thu, May 19, 2005	9.33	9.33	9.07	9.13
3272	NASDAQ	CRVL	Wed, May 18, 2005	8.70	9.33	8.70	9.33
3271	NASDAQ	CRVL	Tue, May 17, 2005	9.16	9.16	8.59	8.97
3270	NASDAQ	CRVL	Mon, May 16, 2005	8.64	9.15	8.58	8.95
3269	NASDAQ	CRVL	Fri, May 13, 2005	8.21	8.66	8.21	8.48
3268	NASDAQ	CRVL	Thu, May 12, 2005	8.13	8.27	8.03	8.21
3267	NASDAQ	CRVL	Wed, May 11, 2005	7.77	8.20	7.50	8.13
3266	NASDAQ	CRVL	Tue, May 10, 2005	7.20	8.09	7.20	7.60
3265	NASDAQ	CRVL	Mon, May 9, 2005	6.90	7.24	6.90	7.12
3264	NASDAQ	CRVL	Fri, May 6, 2005	6.80	6.98	6.71	6.83
3263	NASDAQ	CRVL	Thu, May 5, 2005	6.72	6.90	6.67	6.75
3262	NASDAQ	CRVL	Wed, May 4, 2005	6.67	6.78	6.67	6.76
3261	NASDAQ	CRVL	Tue, May 3, 2005	6.63	7.06	6.63	6.81
3260	NASDAQ	CRVL	Mon, May 2, 2005	6.63	6.87	6.63	6.71
3259	NASDAQ	CRVL	Fri, Apr 29, 2005	7.01	7.03	6.67	6.85
3258	NASDAQ	CRVL	Thu, Apr 28, 2005	7.24	7.24	7.06	7.06
3257	NASDAQ	CRVL	Wed, Apr 27, 2005	7.08	7.33	6.94	6.98
3256	NASDAQ	CRVL	Tue, Apr 26, 2005	7.08	7.25	7.08	7.25
3255	NASDAQ	CRVL	Mon, Apr 25, 2005	7.11	7.36	7.03	7.21
3254	NASDAQ	CRVL	Fri, Apr 22, 2005	7.20	7.27	6.81	6.95
3253	NASDAQ	CRVL	Thu, Apr 21, 2005	7.08	7.17	7.03	7.08
3252	NASDAQ	CRVL	Wed, Apr 20, 2005	6.97	7.24	6.75	6.91
3251	NASDAQ	CRVL	Tue, Apr 19, 2005	7.25	7.25	7.00	7.12
3250	NASDAQ	CRVL	Mon, Apr 18, 2005	6.75	7.25	6.66	7.25
3249	NASDAQ	CRVL	Fri, Apr 15, 2005	7.09	7.17	6.78	6.78
3248	NASDAQ	CRVL	Thu, Apr 14, 2005	7.36	7.50	6.94	6.99
3247	NASDAQ	CRVL	Wed, Apr 13, 2005	7.83	7.83	7.46	7.46
3246	NASDAQ	CRVL	Tue, Apr 12, 2005	7.51	7.97	7.51	7.81
3245	NASDAQ	CRVL	Mon, Apr 11, 2005	7.26	7.83	7.26	7.66
3244	NASDAQ	CRVL	Fri, Apr 8, 2005	7.39	7.48	7.31	7.37
3243	NASDAQ	CRVL	Thu, Apr 7, 2005	7.27	7.54	7.23	7.48
3242	NASDAQ	CRVL	Wed, Apr 6, 2005	7.14	7.55	7.04	7.45
3241	NASDAQ	CRVL	Tue, Apr 5, 2005	7.00	7.10	6.80	7.03
3240	NASDAQ	CRVL	Mon, Apr 4, 2005	6.89	7.07	6.88	7.07
3239	NASDAQ	CRVL	Fri, Apr 1, 2005	7.19	7.25	6.90	6.94
3238	NASDAQ	CRVL	Thu, Mar 31, 2005	7.23	7.26	7.10	7.11
3237	NASDAQ	CRVL	Wed, Mar 30, 2005	7.31	7.31	7.13	7.23
3236	NASDAQ	CRVL	Tue, Mar 29, 2005	7.17	7.40	7.17	7.33
3235	NASDAQ	CRVL	Mon, Mar 28, 2005	7.31	7.41	7.18	7.28
3234	NASDAQ	CRVL	Thu, Mar 24, 2005	7.00	7.36	6.88	7.31
3233	NASDAQ	CRVL	Wed, Mar 23, 2005	7.08	7.08	6.74	6.87
3232	NASDAQ	CRVL	Tue, Mar 22, 2005	7.00	7.17	6.88	6.94
3231	NASDAQ	CRVL	Mon, Mar 21, 2005	7.00	7.07	6.66	6.93
3230	NASDAQ	CRVL	Fri, Mar 18, 2005	7.18	7.20	6.67	6.88
3229	NASDAQ	CRVL	Thu, Mar 17, 2005	6.98	7.15	6.86	7.13
3228	NASDAQ	CRVL	Wed, Mar 16, 2005	6.48	7.01	6.48	6.93
3227	NASDAQ	CRVL	Tue, Mar 15, 2005	6.58	6.68	6.45	6.66
3226	NASDAQ	CRVL	Mon, Mar 14, 2005	6.59	6.59	6.40	6.46
3225	NASDAQ	CRVL	Fri, Mar 11, 2005	6.54	6.67	6.34	6.36
3224	NASDAQ	CRVL	Thu, Mar 10, 2005	6.23	6.55	6.20	6.40
3223	NASDAQ	CRVL	Wed, Mar 9, 2005	6.28	6.32	6.17	6.17
3222	NASDAQ	CRVL	Tue, Mar 8, 2005	6.45	6.54	6.13	6.27
3221	NASDAQ	CRVL	Mon, Mar 7, 2005	7.18	7.18	6.26	6.42
3220	NASDAQ	CRVL	Fri, Mar 4, 2005	7.02	7.16	6.90	7.02
3219	NASDAQ	CRVL	Thu, Mar 3, 2005	7.23	7.23	7.00	7.05
3218	NASDAQ	CRVL	Wed, Mar 2, 2005	7.02	7.23	7.02	7.09
3217	NASDAQ	CRVL	Tue, Mar 1, 2005	7.41	7.50	7.10	7.11
3216	NASDAQ	CRVL	Mon, Feb 28, 2005	7.24	7.49	7.08	7.43
3215	NASDAQ	CRVL	Fri, Feb 25, 2005	7.17	7.47	7.06	7.46
3214	NASDAQ	CRVL	Thu, Feb 24, 2005	7.13	7.30	6.97	7.23
3213	NASDAQ	CRVL	Wed, Feb 23, 2005	6.98	7.32	6.82	7.08
3212	NASDAQ	CRVL	Tue, Feb 22, 2005	7.24	7.24	7.08	7.08
3211	NASDAQ	CRVL	Fri, Feb 18, 2005	7.76	7.77	7.24	7.24
3210	NASDAQ	CRVL	Thu, Feb 17, 2005	7.67	7.91	7.53	7.57
3209	NASDAQ	CRVL	Wed, Feb 16, 2005	7.00	7.65	7.00	7.65
3208	NASDAQ	CRVL	Tue, Feb 15, 2005	6.87	7.32	6.69	7.17
3207	NASDAQ	CRVL	Mon, Feb 14, 2005	6.60	6.87	6.60	6.70
3206	NASDAQ	CRVL	Fri, Feb 11, 2005	6.98	6.98	6.64	6.74
3205	NASDAQ	CRVL	Thu, Feb 10, 2005	6.83	6.90	6.77	6.78
3204	NASDAQ	CRVL	Wed, Feb 9, 2005	7.33	7.33	6.69	6.73
3203	NASDAQ	CRVL	Tue, Feb 8, 2005	7.54	7.54	7.15	7.21
3202	NASDAQ	CRVL	Mon, Feb 7, 2005	7.49	7.60	7.32	7.44
3201	NASDAQ	CRVL	Fri, Feb 4, 2005	7.05	7.52	7.05	7.48
3200	NASDAQ	CRVL	Thu, Feb 3, 2005	7.38	7.54	7.09	7.14
3199	NASDAQ	CRVL	Wed, Feb 2, 2005	7.40	7.65	7.40	7.48
3198	NASDAQ	CRVL	Tue, Feb 1, 2005	7.59	7.65	7.49	7.50
3197	NASDAQ	CRVL	Mon, Jan 31, 2005	7.46	7.67	7.45	7.58
3196	NASDAQ	CRVL	Fri, Jan 28, 2005	7.37	7.65	7.12	7.27
3195	NASDAQ	CRVL	Thu, Jan 27, 2005	7.12	7.65	7.06	7.22
3194	NASDAQ	CRVL	Wed, Jan 26, 2005	6.76	7.20	6.76	6.92
3193	NASDAQ	CRVL	Tue, Jan 25, 2005	7.89	8.00	6.69	6.90
3192	NASDAQ	CRVL	Mon, Jan 24, 2005	8.20	8.20	8.00	8.05
3191	NASDAQ	CRVL	Fri, Jan 21, 2005	8.67	8.67	8.02	8.07
3190	NASDAQ	CRVL	Thu, Jan 20, 2005	8.34	8.81	8.33	8.54
3189	NASDAQ	CRVL	Wed, Jan 19, 2005	8.82	8.95	8.36	8.58
3188	NASDAQ	CRVL	Tue, Jan 18, 2005	8.34	8.73	8.33	8.65
3187	NASDAQ	CRVL	Fri, Jan 14, 2005	8.31	8.50	8.28	8.49
3186	NASDAQ	CRVL	Thu, Jan 13, 2005	8.23	8.34	8.23	8.29
3185	NASDAQ	CRVL	Wed, Jan 12, 2005	8.28	8.45	8.25	8.35
3184	NASDAQ	CRVL	Tue, Jan 11, 2005	8.40	8.46	8.28	8.42
3183	NASDAQ	CRVL	Mon, Jan 10, 2005	8.89	9.00	8.54	8.56
3182	NASDAQ	CRVL	Fri, Jan 7, 2005	8.81	8.86	8.65	8.65
3181	NASDAQ	CRVL	Thu, Jan 6, 2005	8.55	9.00	8.55	8.77
3180	NASDAQ	CRVL	Wed, Jan 5, 2005	8.68	8.95	8.57	8.68
3179	NASDAQ	CRVL	Tue, Jan 4, 2005	9.00	9.13	8.74	8.74
3178	NASDAQ	CRVL	Mon, Jan 3, 2005	9.14	9.28	8.78	9.01
3177	NASDAQ	CRVL	Fri, Dec 31, 2004	8.94	9.11	8.75	8.93
3176	NASDAQ	CRVL	Thu, Dec 30, 2004	9.09	9.25	8.85	9.12
3175	NASDAQ	CRVL	Wed, Dec 29, 2004	8.90	9.11	8.81	8.90
3174	NASDAQ	CRVL	Tue, Dec 28, 2004	8.90	9.08	8.69	8.78
3173	NASDAQ	CRVL	Mon, Dec 27, 2004	9.18	9.18	8.73	8.74
3172	NASDAQ	CRVL	Thu, Dec 23, 2004	9.12	9.12	8.98	9.00
3171	NASDAQ	CRVL	Wed, Dec 22, 2004	9.13	9.18	9.02	9.10
3170	NASDAQ	CRVL	Tue, Dec 21, 2004	9.18	9.18	8.95	9.02
3169	NASDAQ	CRVL	Mon, Dec 20, 2004	8.90	9.08	8.90	9.01
3168	NASDAQ	CRVL	Fri, Dec 17, 2004	8.91	9.17	8.91	9.14
3167	NASDAQ	CRVL	Thu, Dec 16, 2004	8.93	9.15	8.90	9.04
3166	NASDAQ	CRVL	Wed, Dec 15, 2004	8.96	9.08	8.96	9.06
3165	NASDAQ	CRVL	Tue, Dec 14, 2004	9.40	9.40	9.10	9.12
3164	NASDAQ	CRVL	Mon, Dec 13, 2004	9.37	9.38	9.09	9.33
3163	NASDAQ	CRVL	Fri, Dec 10, 2004	9.20	9.48	9.02	9.36
3162	NASDAQ	CRVL	Thu, Dec 9, 2004	9.37	9.47	9.08	9.27
3161	NASDAQ	CRVL	Wed, Dec 8, 2004	9.57	9.75	9.40	9.59
3160	NASDAQ	CRVL	Tue, Dec 7, 2004	10.28	10.28	9.71	9.71
3159	NASDAQ	CRVL	Mon, Dec 6, 2004	10.14	10.18	10.06	10.12
3158	NASDAQ	CRVL	Fri, Dec 3, 2004	10.38	10.54	10.21	10.21
3157	NASDAQ	CRVL	Thu, Dec 2, 2004	10.64	10.70	10.46	10.58
3156	NASDAQ	CRVL	Wed, Dec 1, 2004	10.66	10.78	10.28	10.50
3155	NASDAQ	CRVL	Tue, Nov 30, 2004	10.39	10.65	10.39	10.57
3154	NASDAQ	CRVL	Mon, Nov 29, 2004	10.41	10.63	10.17	10.63
3153	NASDAQ	CRVL	Fri, Nov 26, 2004	10.13	10.41	10.13	10.31
3152	NASDAQ	CRVL	Wed, Nov 24, 2004	10.29	10.43	10.25	10.25
3151	NASDAQ	CRVL	Tue, Nov 23, 2004	10.30	10.39	10.14	10.33
3150	NASDAQ	CRVL	Mon, Nov 22, 2004	9.85	10.31	9.85	10.17
3149	NASDAQ	CRVL	Fri, Nov 19, 2004	9.84	9.99	9.83	9.99
3148	NASDAQ	CRVL	Thu, Nov 18, 2004	10.17	10.20	9.85	9.97
3147	NASDAQ	CRVL	Wed, Nov 17, 2004	9.99	10.16	9.87	9.97
3146	NASDAQ	CRVL	Tue, Nov 16, 2004	9.79	9.99	9.76	9.92
3145	NASDAQ	CRVL	Mon, Nov 15, 2004	10.00	10.00	9.78	9.99
3144	NASDAQ	CRVL	Fri, Nov 12, 2004	9.78	10.00	9.72	10.00
3143	NASDAQ	CRVL	Thu, Nov 11, 2004	9.90	10.09	9.90	9.97
3142	NASDAQ	CRVL	Wed, Nov 10, 2004	10.00	10.01	9.94	10.00
3141	NASDAQ	CRVL	Tue, Nov 9, 2004	10.00	10.05	9.84	10.00
3140	NASDAQ	CRVL	Mon, Nov 8, 2004	9.69	9.96	9.67	9.87
3139	NASDAQ	CRVL	Fri, Nov 5, 2004	10.25	10.26	9.70	9.84
3138	NASDAQ	CRVL	Thu, Nov 4, 2004	9.60	10.29	9.60	10.27
3137	NASDAQ	CRVL	Wed, Nov 3, 2004	9.25	9.64	9.25	9.48
3136	NASDAQ	CRVL	Tue, Nov 2, 2004	9.33	9.65	9.32	9.45
3135	NASDAQ	CRVL	Mon, Nov 1, 2004	8.67	9.48	8.67	9.40
3134	NASDAQ	CRVL	Fri, Oct 29, 2004	8.73	8.97	8.68	8.72
3133	NASDAQ	CRVL	Thu, Oct 28, 2004	9.04	9.13	8.66	8.86
3132	NASDAQ	CRVL	Wed, Oct 27, 2004	8.67	8.98	8.67	8.90
3131	NASDAQ	CRVL	Tue, Oct 26, 2004	9.52	9.52	8.70	8.85
3130	NASDAQ	CRVL	Mon, Oct 25, 2004	9.66	9.66	9.40	9.47
3129	NASDAQ	CRVL	Fri, Oct 22, 2004	9.67	9.67	9.39	9.39
3128	NASDAQ	CRVL	Thu, Oct 21, 2004	9.47	9.61	9.40	9.54
3127	NASDAQ	CRVL	Wed, Oct 20, 2004	9.55	9.67	9.39	9.67
3126	NASDAQ	CRVL	Tue, Oct 19, 2004	9.92	9.93	9.49	9.58
3125	NASDAQ	CRVL	Mon, Oct 18, 2004	9.79	9.93	9.43	9.51
3124	NASDAQ	CRVL	Fri, Oct 15, 2004	9.34	9.77	9.34	9.67
3123	NASDAQ	CRVL	Thu, Oct 14, 2004	9.76	9.94	9.35	9.50
3122	NASDAQ	CRVL	Wed, Oct 13, 2004	10.27	10.27	9.81	9.88
3121	NASDAQ	CRVL	Tue, Oct 12, 2004	10.26	10.27	10.16	10.27
3120	NASDAQ	CRVL	Mon, Oct 11, 2004	9.90	10.31	9.90	10.25
3119	NASDAQ	CRVL	Fri, Oct 8, 2004	10.42	10.43	10.11	10.11
3118	NASDAQ	CRVL	Thu, Oct 7, 2004	10.44	10.44	10.26	10.39
3117	NASDAQ	CRVL	Wed, Oct 6, 2004	10.35	10.48	10.24	10.48
3116	NASDAQ	CRVL	Tue, Oct 5, 2004	10.46	10.47	10.39	10.46
3115	NASDAQ	CRVL	Mon, Oct 4, 2004	9.95	10.49	9.95	10.36
3114	NASDAQ	CRVL	Fri, Oct 1, 2004	10.34	10.47	9.91	10.04
3113	NASDAQ	CRVL	Thu, Sep 30, 2004	9.89	10.35	9.89	9.89
3112	NASDAQ	CRVL	Wed, Sep 29, 2004	10.12	10.30	9.93	10.30
3111	NASDAQ	CRVL	Tue, Sep 28, 2004	9.94	10.19	9.88	9.92
3110	NASDAQ	CRVL	Mon, Sep 27, 2004	9.82	10.20	9.59	9.92
3109	NASDAQ	CRVL	Fri, Sep 24, 2004	9.99	10.00	9.82	9.82
3108	NASDAQ	CRVL	Thu, Sep 23, 2004	10.00	10.07	9.84	9.98
3107	NASDAQ	CRVL	Wed, Sep 22, 2004	10.02	10.13	9.78	9.87
3106	NASDAQ	CRVL	Tue, Sep 21, 2004	10.30	10.46	10.05	10.37
3105	NASDAQ	CRVL	Mon, Sep 20, 2004	9.98	10.49	9.98	10.15
3104	NASDAQ	CRVL	Fri, Sep 17, 2004	10.42	10.50	10.03	10.50
3103	NASDAQ	CRVL	Thu, Sep 16, 2004	10.15	10.27	10.04	10.27
3102	NASDAQ	CRVL	Wed, Sep 15, 2004	10.29	10.29	10.09	10.25
3101	NASDAQ	CRVL	Tue, Sep 14, 2004	10.06	10.30	10.06	10.18
3100	NASDAQ	CRVL	Mon, Sep 13, 2004	10.21	10.33	10.21	10.25
3099	NASDAQ	CRVL	Fri, Sep 10, 2004	10.06	10.23	10.00	10.12
3098	NASDAQ	CRVL	Thu, Sep 9, 2004	9.67	10.29	9.43	10.23
3097	NASDAQ	CRVL	Wed, Sep 8, 2004	9.67	9.97	9.64	9.67
3096	NASDAQ	CRVL	Tue, Sep 7, 2004	9.70	9.88	9.44	9.84
3095	NASDAQ	CRVL	Fri, Sep 3, 2004	9.68	9.70	9.45	9.67
3094	NASDAQ	CRVL	Thu, Sep 2, 2004	9.53	9.75	9.51	9.51
3093	NASDAQ	CRVL	Wed, Sep 1, 2004	9.56	10.06	9.47	9.59
3092	NASDAQ	CRVL	Tue, Aug 31, 2004	8.89	9.45	8.89	9.40
3091	NASDAQ	CRVL	Mon, Aug 30, 2004	9.31	9.54	9.09	9.10
3090	NASDAQ	CRVL	Fri, Aug 27, 2004	8.92	9.13	8.84	8.94
3089	NASDAQ	CRVL	Thu, Aug 26, 2004	9.67	9.67	9.00	9.05
3088	NASDAQ	CRVL	Wed, Aug 25, 2004	9.57	9.80	9.44	9.78
3087	NASDAQ	CRVL	Tue, Aug 24, 2004	9.50	9.83	9.48	9.52
3086	NASDAQ	CRVL	Mon, Aug 23, 2004	9.45	9.90	9.04	9.57
3085	NASDAQ	CRVL	Fri, Aug 20, 2004	9.33	9.42	9.09	9.33
3084	NASDAQ	CRVL	Thu, Aug 19, 2004	8.71	9.30	8.71	9.09
3083	NASDAQ	CRVL	Wed, Aug 18, 2004	8.46	9.13	8.46	8.94
3082	NASDAQ	CRVL	Tue, Aug 17, 2004	8.78	8.79	8.44	8.73
3081	NASDAQ	CRVL	Mon, Aug 16, 2004	8.21	8.77	8.20	8.67
3080	NASDAQ	CRVL	Fri, Aug 13, 2004	8.15	8.60	8.03	8.27
3079	NASDAQ	CRVL	Thu, Aug 12, 2004	8.17	8.26	7.94	7.94
3078	NASDAQ	CRVL	Wed, Aug 11, 2004	8.17	8.39	8.17	8.32
3077	NASDAQ	CRVL	Tue, Aug 10, 2004	8.06	8.39	8.06	8.33
3076	NASDAQ	CRVL	Mon, Aug 9, 2004	8.07	8.42	8.07	8.25
3075	NASDAQ	CRVL	Fri, Aug 6, 2004	8.57	8.78	7.98	8.11
3074	NASDAQ	CRVL	Thu, Aug 5, 2004	8.79	9.12	8.49	8.57
3073	NASDAQ	CRVL	Wed, Aug 4, 2004	8.74	9.24	8.45	9.15
3072	NASDAQ	CRVL	Tue, Aug 3, 2004	8.58	8.96	8.39	8.67
3071	NASDAQ	CRVL	Mon, Aug 2, 2004	9.03	9.03	8.44	8.62
3070	NASDAQ	CRVL	Fri, Jul 30, 2004	8.04	8.90	8.04	8.53
3069	NASDAQ	CRVL	Thu, Jul 29, 2004	8.47	8.48	8.14	8.33
3068	NASDAQ	CRVL	Wed, Jul 28, 2004	8.00	8.62	8.00	8.45
3067	NASDAQ	CRVL	Tue, Jul 27, 2004	8.05	8.59	8.05	8.49
3066	NASDAQ	CRVL	Mon, Jul 26, 2004	8.40	8.40	8.00	8.11
3065	NASDAQ	CRVL	Fri, Jul 23, 2004	8.39	8.67	8.00	8.00
3064	NASDAQ	CRVL	Thu, Jul 22, 2004	9.11	9.11	8.13	8.18
3063	NASDAQ	CRVL	Wed, Jul 21, 2004	9.01	9.08	8.49	8.51
3062	NASDAQ	CRVL	Tue, Jul 20, 2004	8.47	8.94	8.47	8.94
3061	NASDAQ	CRVL	Mon, Jul 19, 2004	8.78	8.78	8.40	8.69
3060	NASDAQ	CRVL	Fri, Jul 16, 2004	8.85	9.17	8.53	8.53
3059	NASDAQ	CRVL	Thu, Jul 15, 2004	9.07	9.09	8.92	8.92
3058	NASDAQ	CRVL	Wed, Jul 14, 2004	9.23	9.31	9.07	9.09
3057	NASDAQ	CRVL	Tue, Jul 13, 2004	9.31	9.74	8.91	9.40
3056	NASDAQ	CRVL	Mon, Jul 12, 2004	8.68	9.17	8.67	8.72
3055	NASDAQ	CRVL	Fri, Jul 9, 2004	8.82	9.09	8.67	9.09
3054	NASDAQ	CRVL	Thu, Jul 8, 2004	8.75	9.12	8.75	8.92
3053	NASDAQ	CRVL	Wed, Jul 7, 2004	9.19	9.39	9.12	9.33
3052	NASDAQ	CRVL	Tue, Jul 6, 2004	9.48	9.48	9.18	9.22
3051	NASDAQ	CRVL	Fri, Jul 2, 2004	9.47	9.47	9.25	9.29
3050	NASDAQ	CRVL	Thu, Jul 1, 2004	9.33	9.60	9.33	9.51
3049	NASDAQ	CRVL	Wed, Jun 30, 2004	9.44	9.58	9.07	9.45
3048	NASDAQ	CRVL	Tue, Jun 29, 2004	8.73	9.48	8.73	9.48
3047	NASDAQ	CRVL	Mon, Jun 28, 2004	8.51	8.92	8.51	8.92
3046	NASDAQ	CRVL	Fri, Jun 25, 2004	8.40	8.85	8.40	8.84
3045	NASDAQ	CRVL	Thu, Jun 24, 2004	8.73	8.81	8.44	8.44
3044	NASDAQ	CRVL	Wed, Jun 23, 2004	8.59	8.83	8.26	8.70
3043	NASDAQ	CRVL	Tue, Jun 22, 2004	8.34	8.68	8.33	8.59
3042	NASDAQ	CRVL	Mon, Jun 21, 2004	8.36	8.66	8.35	8.35
3041	NASDAQ	CRVL	Fri, Jun 18, 2004	8.34	8.61	8.28	8.32
3040	NASDAQ	CRVL	Thu, Jun 17, 2004	8.74	8.86	8.26	8.73
3039	NASDAQ	CRVL	Wed, Jun 16, 2004	8.67	8.78	8.42	8.48
3038	NASDAQ	CRVL	Tue, Jun 15, 2004	8.55	8.60	8.36	8.42
3037	NASDAQ	CRVL	Mon, Jun 14, 2004	8.78	8.78	8.31	8.34
3036	NASDAQ	CRVL	Thu, Jun 10, 2004	8.47	9.07	8.47	8.67
3035	NASDAQ	CRVL	Wed, Jun 9, 2004	8.68	9.12	8.43	8.65
3034	NASDAQ	CRVL	Tue, Jun 8, 2004	8.34	9.26	8.33	9.15
3033	NASDAQ	CRVL	Mon, Jun 7, 2004	8.25	8.51	8.18	8.51
3032	NASDAQ	CRVL	Fri, Jun 4, 2004	8.06	8.70	8.06	8.37
3031	NASDAQ	CRVL	Thu, Jun 3, 2004	7.90	8.21	7.90	8.12
3030	NASDAQ	CRVL	Wed, Jun 2, 2004	7.99	8.18	7.96	8.15
3029	NASDAQ	CRVL	Tue, Jun 1, 2004	7.75	7.98	7.68	7.97
3028	NASDAQ	CRVL	Fri, May 28, 2004	7.92	8.02	7.74	7.74
3027	NASDAQ	CRVL	Thu, May 27, 2004	8.00	8.13	7.95	8.00
3026	NASDAQ	CRVL	Wed, May 26, 2004	8.28	8.28	8.00	8.16
3025	NASDAQ	CRVL	Tue, May 25, 2004	8.27	8.43	7.92	8.20
3024	NASDAQ	CRVL	Mon, May 24, 2004	8.52	8.52	8.17	8.30
3023	NASDAQ	CRVL	Fri, May 21, 2004	8.08	8.53	8.00	8.35
3022	NASDAQ	CRVL	Thu, May 20, 2004	8.14	8.52	8.14	8.33
3021	NASDAQ	CRVL	Wed, May 19, 2004	8.19	8.67	7.99	8.17
3020	NASDAQ	CRVL	Tue, May 18, 2004	7.77	8.45	7.77	8.31
3019	NASDAQ	CRVL	Mon, May 17, 2004	8.20	8.25	7.55	7.67
3018	NASDAQ	CRVL	Fri, May 14, 2004	8.13	8.25	7.81	8.05
3017	NASDAQ	CRVL	Thu, May 13, 2004	7.77	8.52	7.77	8.02
3016	NASDAQ	CRVL	Wed, May 12, 2004	8.27	8.27	7.69	7.77
3015	NASDAQ	CRVL	Tue, May 11, 2004	9.70	9.82	8.28	8.33
3014	NASDAQ	CRVL	Mon, May 10, 2004	9.90	10.17	9.70	9.70
3013	NASDAQ	CRVL	Fri, May 7, 2004	10.07	10.30	10.00	10.16
3012	NASDAQ	CRVL	Thu, May 6, 2004	10.31	10.64	10.00	10.04
3011	NASDAQ	CRVL	Wed, May 5, 2004	10.37	10.61	10.20	10.20
3010	NASDAQ	CRVL	Tue, May 4, 2004	10.18	10.83	10.18	10.53
3009	NASDAQ	CRVL	Mon, May 3, 2004	10.21	10.63	10.21	10.44
3008	NASDAQ	CRVL	Fri, Apr 30, 2004	10.42	10.65	10.12	10.36
3007	NASDAQ	CRVL	Thu, Apr 29, 2004	10.45	10.73	10.35	10.57
3006	NASDAQ	CRVL	Wed, Apr 28, 2004	10.50	10.67	10.36	10.37
3005	NASDAQ	CRVL	Tue, Apr 27, 2004	10.50	10.82	10.20	10.82
3004	NASDAQ	CRVL	Mon, Apr 26, 2004	10.28	10.58	10.19	10.30
3003	NASDAQ	CRVL	Fri, Apr 23, 2004	10.26	10.33	10.08	10.08
3002	NASDAQ	CRVL	Thu, Apr 22, 2004	10.40	10.54	10.25	10.33
3001	NASDAQ	CRVL	Wed, Apr 21, 2004	10.46	10.46	10.30	10.32
3000	NASDAQ	CRVL	Tue, Apr 20, 2004	10.67	10.68	10.30	10.37
2999	NASDAQ	CRVL	Mon, Apr 19, 2004	10.93	10.93	10.44	10.52
2998	NASDAQ	CRVL	Fri, Apr 16, 2004	10.77	10.83	10.44	10.63
2997	NASDAQ	CRVL	Thu, Apr 15, 2004	11.19	11.19	10.59	10.63
2996	NASDAQ	CRVL	Wed, Apr 14, 2004	11.31	11.31	10.97	10.97
2995	NASDAQ	CRVL	Tue, Apr 13, 2004	11.58	11.73	11.20	11.20
2994	NASDAQ	CRVL	Mon, Apr 12, 2004	11.92	11.92	11.41	11.67
2993	NASDAQ	CRVL	Thu, Apr 8, 2004	11.92	11.92	11.48	11.50
2992	NASDAQ	CRVL	Wed, Apr 7, 2004	11.80	11.80	11.37	11.41
2991	NASDAQ	CRVL	Tue, Apr 6, 2004	11.72	11.99	11.60	11.60
2990	NASDAQ	CRVL	Mon, Apr 5, 2004	11.96	12.10	11.67	11.85
2989	NASDAQ	CRVL	Fri, Apr 2, 2004	12.25	12.25	11.73	11.75
2988	NASDAQ	CRVL	Thu, Apr 1, 2004	12.07	12.07	11.77	11.94
2987	NASDAQ	CRVL	Wed, Mar 31, 2004	11.92	12.28	11.62	12.07
2986	NASDAQ	CRVL	Tue, Mar 30, 2004	11.66	11.83	11.65	11.83
2985	NASDAQ	CRVL	Mon, Mar 29, 2004	11.76	11.92	11.71	11.83
2984	NASDAQ	CRVL	Fri, Mar 26, 2004	11.83	11.91	11.61	11.69
2983	NASDAQ	CRVL	Thu, Mar 25, 2004	11.50	11.95	11.50	11.70
2982	NASDAQ	CRVL	Wed, Mar 24, 2004	11.88	12.00	11.50	11.57
2981	NASDAQ	CRVL	Tue, Mar 23, 2004	11.85	12.00	11.74	11.83
2980	NASDAQ	CRVL	Mon, Mar 22, 2004	11.86	12.17	11.79	12.03
2979	NASDAQ	CRVL	Fri, Mar 19, 2004	11.71	11.88	11.52	11.58
2978	NASDAQ	CRVL	Thu, Mar 18, 2004	11.89	11.90	11.50	11.52
2977	NASDAQ	CRVL	Wed, Mar 17, 2004	11.47	11.90	11.47	11.76
2976	NASDAQ	CRVL	Tue, Mar 16, 2004	11.66	11.87	11.50	11.87
2975	NASDAQ	CRVL	Mon, Mar 15, 2004	11.76	12.00	11.42	11.43
2974	NASDAQ	CRVL	Fri, Mar 12, 2004	11.42	11.99	11.42	11.98
2973	NASDAQ	CRVL	Thu, Mar 11, 2004	11.71	11.99	11.50	11.50
2972	NASDAQ	CRVL	Wed, Mar 10, 2004	11.84	12.17	11.67	11.87
2971	NASDAQ	CRVL	Tue, Mar 9, 2004	12.11	12.24	11.84	12.24
2970	NASDAQ	CRVL	Mon, Mar 8, 2004	12.07	12.31	12.07	12.10
2969	NASDAQ	CRVL	Fri, Mar 5, 2004	11.82	12.30	11.77	12.07
2968	NASDAQ	CRVL	Thu, Mar 4, 2004	11.70	12.10	11.53	12.02
2967	NASDAQ	CRVL	Wed, Mar 3, 2004	11.79	12.29	11.69	11.88
2966	NASDAQ	CRVL	Tue, Mar 2, 2004	12.37	12.39	11.95	12.04
2965	NASDAQ	CRVL	Mon, Mar 1, 2004	12.30	12.33	11.91	12.04
2964	NASDAQ	CRVL	Fri, Feb 27, 2004	12.18	12.34	11.96	12.12
2963	NASDAQ	CRVL	Thu, Feb 26, 2004	12.60	12.62	12.28	12.28
2962	NASDAQ	CRVL	Wed, Feb 25, 2004	12.33	12.59	12.09	12.46
2961	NASDAQ	CRVL	Tue, Feb 24, 2004	12.45	12.45	11.95	12.39
2960	NASDAQ	CRVL	Mon, Feb 23, 2004	12.67	12.67	12.12	12.12
2959	NASDAQ	CRVL	Fri, Feb 20, 2004	12.67	13.06	12.67	12.72
2958	NASDAQ	CRVL	Thu, Feb 19, 2004	13.24	13.27	12.67	12.93
2957	NASDAQ	CRVL	Wed, Feb 18, 2004	13.27	13.27	12.75	12.91
2956	NASDAQ	CRVL	Tue, Feb 17, 2004	13.26	13.27	13.00	13.27
2955	NASDAQ	CRVL	Fri, Feb 13, 2004	13.40	13.40	13.13	13.13
2954	NASDAQ	CRVL	Thu, Feb 12, 2004	12.91	13.40	12.75	13.40
2953	NASDAQ	CRVL	Wed, Feb 11, 2004	13.51	13.53	12.96	13.04
2952	NASDAQ	CRVL	Tue, Feb 10, 2004	13.13	13.58	13.00	13.58
2951	NASDAQ	CRVL	Mon, Feb 9, 2004	13.12	13.15	13.00	13.15
2950	NASDAQ	CRVL	Fri, Feb 6, 2004	12.67	13.17	12.67	13.13
2949	NASDAQ	CRVL	Thu, Feb 5, 2004	12.72	12.98	12.60	12.64
2948	NASDAQ	CRVL	Wed, Feb 4, 2004	12.95	12.95	12.62	12.64
2947	NASDAQ	CRVL	Tue, Feb 3, 2004	12.92	13.00	12.92	12.92
2946	NASDAQ	CRVL	Mon, Feb 2, 2004	12.67	12.98	12.67	12.92
2945	NASDAQ	CRVL	Fri, Jan 30, 2004	13.00	13.12	12.72	12.82
2944	NASDAQ	CRVL	Thu, Jan 29, 2004	13.19	13.41	13.01	13.10
2943	NASDAQ	CRVL	Wed, Jan 28, 2004	12.80	13.08	12.80	13.08
2942	NASDAQ	CRVL	Tue, Jan 27, 2004	12.72	12.85	12.71	12.85
2941	NASDAQ	CRVL	Mon, Jan 26, 2004	12.68	12.71	12.53	12.68
2940	NASDAQ	CRVL	Fri, Jan 23, 2004	11.69	12.67	11.34	12.50
2939	NASDAQ	CRVL	Thu, Jan 22, 2004	13.33	13.34	11.71	11.82
2938	NASDAQ	CRVL	Wed, Jan 21, 2004	13.30	13.60	13.28	13.58
2937	NASDAQ	CRVL	Tue, Jan 20, 2004	13.47	13.60	13.05	13.59
2936	NASDAQ	CRVL	Fri, Jan 16, 2004	13.20	13.41	13.20	13.30
2935	NASDAQ	CRVL	Thu, Jan 15, 2004	13.46	13.46	13.32	13.41
2934	NASDAQ	CRVL	Wed, Jan 14, 2004	13.04	13.44	13.04	13.40
2933	NASDAQ	CRVL	Tue, Jan 13, 2004	13.23	13.36	12.82	13.33
2932	NASDAQ	CRVL	Mon, Jan 12, 2004	12.98	13.20	12.87	13.20
2931	NASDAQ	CRVL	Fri, Jan 9, 2004	12.63	12.97	12.63	12.89
2930	NASDAQ	CRVL	Thu, Jan 8, 2004	12.67	12.77	12.50	12.77
2929	NASDAQ	CRVL	Wed, Jan 7, 2004	12.60	12.68	12.42	12.60
2928	NASDAQ	CRVL	Tue, Jan 6, 2004	12.48	12.61	12.47	12.61
2927	NASDAQ	CRVL	Mon, Jan 5, 2004	12.34	12.58	12.34	12.38
2926	NASDAQ	CRVL	Fri, Jan 2, 2004	12.63	12.63	12.40	12.40
2925	NASDAQ	CRVL	Wed, Dec 31, 2003	12.44	12.68	12.30	12.53
2924	NASDAQ	CRVL	Tue, Dec 30, 2003	12.60	12.72	12.47	12.65
2923	NASDAQ	CRVL	Mon, Dec 29, 2003	11.88	12.60	11.88	12.60
2922	NASDAQ	CRVL	Fri, Dec 26, 2003	12.33	12.42	12.33	12.42
2921	NASDAQ	CRVL	Wed, Dec 24, 2003	12.46	12.48	12.32	12.42
2920	NASDAQ	CRVL	Tue, Dec 23, 2003	12.29	12.47	12.25	12.42
2919	NASDAQ	CRVL	Mon, Dec 22, 2003	11.85	12.31	11.85	12.27
2918	NASDAQ	CRVL	Fri, Dec 19, 2003	12.60	12.60	11.73	12.15
2917	NASDAQ	CRVL	Thu, Dec 18, 2003	11.67	12.30	11.63	12.30
2916	NASDAQ	CRVL	Wed, Dec 17, 2003	11.91	12.32	11.79	11.87
2915	NASDAQ	CRVL	Tue, Dec 16, 2003	11.68	12.32	11.58	12.30
2914	NASDAQ	CRVL	Mon, Dec 15, 2003	12.44	12.47	11.83	11.83
2913	NASDAQ	CRVL	Fri, Dec 12, 2003	11.34	12.33	11.34	12.16
2912	NASDAQ	CRVL	Thu, Dec 11, 2003	11.91	12.34	11.86	12.28
2911	NASDAQ	CRVL	Wed, Dec 10, 2003	12.12	12.12	11.37	12.08
2910	NASDAQ	CRVL	Tue, Dec 9, 2003	12.17	12.33	11.67	11.68
2909	NASDAQ	CRVL	Mon, Dec 8, 2003	11.71	12.17	11.48	12.17
2908	NASDAQ	CRVL	Fri, Dec 5, 2003	11.83	11.84	11.52	11.61
2907	NASDAQ	CRVL	Thu, Dec 4, 2003	11.33	11.80	11.32	11.71
2906	NASDAQ	CRVL	Wed, Dec 3, 2003	11.19	11.67	11.19	11.40
2905	NASDAQ	CRVL	Tue, Dec 2, 2003	11.17	11.67	11.17	11.64
2904	NASDAQ	CRVL	Mon, Dec 1, 2003	12.02	12.02	11.38	11.67
2903	NASDAQ	CRVL	Fri, Nov 28, 2003	12.05	12.05	11.43	11.43
2902	NASDAQ	CRVL	Wed, Nov 26, 2003	11.75	11.92	11.30	11.65
2901	NASDAQ	CRVL	Tue, Nov 25, 2003	11.67	11.75	11.36	11.60
2900	NASDAQ	CRVL	Mon, Nov 24, 2003	11.53	11.93	11.26	11.67
2899	NASDAQ	CRVL	Fri, Nov 21, 2003	11.66	11.66	11.30	11.50
2898	NASDAQ	CRVL	Thu, Nov 20, 2003	11.41	11.52	11.30	11.33
2897	NASDAQ	CRVL	Wed, Nov 19, 2003	11.03	11.52	11.00	11.50
2896	NASDAQ	CRVL	Tue, Nov 18, 2003	11.54	11.65	11.20	11.20
2895	NASDAQ	CRVL	Mon, Nov 17, 2003	11.27	11.83	10.88	11.46
2894	NASDAQ	CRVL	Fri, Nov 14, 2003	11.75	11.75	11.35	11.58
2893	NASDAQ	CRVL	Thu, Nov 13, 2003	11.62	11.75	11.59	11.75
2892	NASDAQ	CRVL	Wed, Nov 12, 2003	11.67	11.70	11.52	11.67
2891	NASDAQ	CRVL	Tue, Nov 11, 2003	11.53	11.67	11.29	11.58
2890	NASDAQ	CRVL	Mon, Nov 10, 2003	11.68	11.98	11.53	11.56
2889	NASDAQ	CRVL	Fri, Nov 7, 2003	11.81	12.17	11.65	11.65
2888	NASDAQ	CRVL	Thu, Nov 6, 2003	12.33	12.33	11.68	11.79
2887	NASDAQ	CRVL	Wed, Nov 5, 2003	11.96	11.98	11.70	11.70
2886	NASDAQ	CRVL	Tue, Nov 4, 2003	12.23	12.23	12.02	12.02
2885	NASDAQ	CRVL	Mon, Nov 3, 2003	12.00	12.22	12.00	12.00
2884	NASDAQ	CRVL	Fri, Oct 31, 2003	12.29	12.33	12.03	12.03
2883	NASDAQ	CRVL	Thu, Oct 30, 2003	12.33	12.48	12.11	12.30
2882	NASDAQ	CRVL	Wed, Oct 29, 2003	11.97	12.33	11.97	12.30
2881	NASDAQ	CRVL	Tue, Oct 28, 2003	11.53	12.01	11.43	12.01
2880	NASDAQ	CRVL	Mon, Oct 27, 2003	11.33	11.67	11.33	11.50
2879	NASDAQ	CRVL	Fri, Oct 24, 2003	11.42	11.89	11.30	11.37
2878	NASDAQ	CRVL	Thu, Oct 23, 2003	11.39	11.85	11.33	11.40
2877	NASDAQ	CRVL	Wed, Oct 22, 2003	11.62	11.91	11.34	11.34
2876	NASDAQ	CRVL	Tue, Oct 21, 2003	11.80	11.85	11.67	11.79
2875	NASDAQ	CRVL	Mon, Oct 20, 2003	11.92	11.92	11.55	11.70
2874	NASDAQ	CRVL	Fri, Oct 17, 2003	11.93	11.95	11.45	11.79
2873	NASDAQ	CRVL	Thu, Oct 16, 2003	11.80	11.97	11.64	11.89
2872	NASDAQ	CRVL	Wed, Oct 15, 2003	11.75	11.82	11.35	11.69
2871	NASDAQ	CRVL	Tue, Oct 14, 2003	11.83	11.83	11.65	11.67
2870	NASDAQ	CRVL	Mon, Oct 13, 2003	11.83	11.91	11.73	11.83
2869	NASDAQ	CRVL	Fri, Oct 10, 2003	11.60	11.81	11.41	11.45
2868	NASDAQ	CRVL	Thu, Oct 9, 2003	11.72	11.93	11.61	11.61
2867	NASDAQ	CRVL	Wed, Oct 8, 2003	11.93	11.97	11.63	11.67
2866	NASDAQ	CRVL	Tue, Oct 7, 2003	11.83	11.93	11.80	11.85
2865	NASDAQ	CRVL	Mon, Oct 6, 2003	11.80	11.95	11.80	11.95
2864	NASDAQ	CRVL	Fri, Oct 3, 2003	11.53	11.98	11.53	11.95
2863	NASDAQ	CRVL	Thu, Oct 2, 2003	11.77	11.97	11.77	11.93
2862	NASDAQ	CRVL	Wed, Oct 1, 2003	12.00	12.01	11.78	11.95
2861	NASDAQ	CRVL	Tue, Sep 30, 2003	11.85	11.99	11.81	11.84
2860	NASDAQ	CRVL	Mon, Sep 29, 2003	11.68	11.93	11.46	11.93
2859	NASDAQ	CRVL	Fri, Sep 26, 2003	11.65	11.78	11.65	11.65
2858	NASDAQ	CRVL	Thu, Sep 25, 2003	11.65	11.91	11.60	11.65
2857	NASDAQ	CRVL	Wed, Sep 24, 2003	11.57	12.17	11.57	11.65
2856	NASDAQ	CRVL	Tue, Sep 23, 2003	12.08	12.25	11.67	11.70
2855	NASDAQ	CRVL	Mon, Sep 22, 2003	12.09	12.13	11.87	11.91
2854	NASDAQ	CRVL	Fri, Sep 19, 2003	12.24	12.39	12.03	12.21
2853	NASDAQ	CRVL	Thu, Sep 18, 2003	12.03	12.42	12.03	12.31
2852	NASDAQ	CRVL	Wed, Sep 17, 2003	12.30	12.44	12.14	12.18
2851	NASDAQ	CRVL	Tue, Sep 16, 2003	12.22	12.42	12.02	12.38
2850	NASDAQ	CRVL	Mon, Sep 15, 2003	12.06	12.58	12.06	12.07
2849	NASDAQ	CRVL	Fri, Sep 12, 2003	12.49	12.49	12.03	12.26
2848	NASDAQ	CRVL	Thu, Sep 11, 2003	12.35	12.54	12.03	12.54
2847	NASDAQ	CRVL	Wed, Sep 10, 2003	12.19	12.52	11.92	12.27
2846	NASDAQ	CRVL	Tue, Sep 9, 2003	12.38	12.65	12.29	12.33
2845	NASDAQ	CRVL	Mon, Sep 8, 2003	12.35	12.80	12.35	12.38
2844	NASDAQ	CRVL	Fri, Sep 5, 2003	12.64	12.90	12.36	12.36
2843	NASDAQ	CRVL	Thu, Sep 4, 2003	12.69	12.92	12.53	12.87
2842	NASDAQ	CRVL	Wed, Sep 3, 2003	12.40	12.90	12.40	12.83
2841	NASDAQ	CRVL	Tue, Sep 2, 2003	12.61	12.61	12.00	12.40
2840	NASDAQ	CRVL	Fri, Aug 29, 2003	12.67	12.68	12.38	12.53
2839	NASDAQ	CRVL	Thu, Aug 28, 2003	12.50	12.68	12.42	12.57
2838	NASDAQ	CRVL	Wed, Aug 27, 2003	12.50	12.68	12.47	12.68
2837	NASDAQ	CRVL	Tue, Aug 26, 2003	12.80	12.83	12.47	12.73
2836	NASDAQ	CRVL	Mon, Aug 25, 2003	12.81	12.83	12.62	12.75
2835	NASDAQ	CRVL	Fri, Aug 22, 2003	12.65	12.93	12.64	12.93
2834	NASDAQ	CRVL	Thu, Aug 21, 2003	12.55	12.62	12.44	12.56
2833	NASDAQ	CRVL	Wed, Aug 20, 2003	12.29	12.56	12.29	12.53
2832	NASDAQ	CRVL	Tue, Aug 19, 2003	12.26	12.42	12.20	12.37
2831	NASDAQ	CRVL	Mon, Aug 18, 2003	12.28	12.37	11.95	12.02
2830	NASDAQ	CRVL	Fri, Aug 15, 2003	12.09	12.37	11.75	11.75
2829	NASDAQ	CRVL	Thu, Aug 14, 2003	12.24	12.24	12.03	12.21
2828	NASDAQ	CRVL	Wed, Aug 13, 2003	12.36	12.39	12.01	12.02
2827	NASDAQ	CRVL	Tue, Aug 12, 2003	12.22	12.39	12.04	12.39
2826	NASDAQ	CRVL	Mon, Aug 11, 2003	11.97	12.27	11.94	12.25
2825	NASDAQ	CRVL	Fri, Aug 8, 2003	11.80	12.01	11.60	11.85
2824	NASDAQ	CRVL	Thu, Aug 7, 2003	11.43	11.99	11.43	11.78
2823	NASDAQ	CRVL	Wed, Aug 6, 2003	12.27	12.27	11.40	11.69
2822	NASDAQ	CRVL	Tue, Aug 5, 2003	12.26	12.38	11.90	11.90
2821	NASDAQ	CRVL	Mon, Aug 4, 2003	12.21	12.39	12.08	12.29
2820	NASDAQ	CRVL	Fri, Aug 1, 2003	12.24	12.30	12.23	12.29
2819	NASDAQ	CRVL	Thu, Jul 31, 2003	12.18	12.31	11.94	12.31
2818	NASDAQ	CRVL	Wed, Jul 30, 2003	11.86	12.10	11.86	12.00
2817	NASDAQ	CRVL	Tue, Jul 29, 2003	12.07	12.07	11.71	12.00
2816	NASDAQ	CRVL	Mon, Jul 28, 2003	12.04	12.13	11.74	11.96
2815	NASDAQ	CRVL	Fri, Jul 25, 2003	11.94	12.17	11.75	11.84
2814	NASDAQ	CRVL	Thu, Jul 24, 2003	11.99	12.25	11.75	11.79
2813	NASDAQ	CRVL	Wed, Jul 23, 2003	12.45	12.50	11.97	11.97
2812	NASDAQ	CRVL	Tue, Jul 22, 2003	12.37	12.39	12.02	12.39
2811	NASDAQ	CRVL	Mon, Jul 21, 2003	12.20	12.37	11.93	12.00
2810	NASDAQ	CRVL	Fri, Jul 18, 2003	12.24	12.37	12.08	12.29
2809	NASDAQ	CRVL	Thu, Jul 17, 2003	12.30	12.37	11.91	12.25
2808	NASDAQ	CRVL	Wed, Jul 16, 2003	12.06	12.30	12.05	12.30
2807	NASDAQ	CRVL	Tue, Jul 15, 2003	12.10	12.20	12.00	12.13
2806	NASDAQ	CRVL	Mon, Jul 14, 2003	12.07	12.10	12.06	12.10
2805	NASDAQ	CRVL	Fri, Jul 11, 2003	12.06	12.07	12.04	12.06
2804	NASDAQ	CRVL	Thu, Jul 10, 2003	12.06	12.06	11.93	11.99
2803	NASDAQ	CRVL	Wed, Jul 9, 2003	11.95	12.07	11.90	12.02
2802	NASDAQ	CRVL	Tue, Jul 8, 2003	12.00	12.02	11.78	12.00
2801	NASDAQ	CRVL	Mon, Jul 7, 2003	12.05	12.05	11.81	12.00
2800	NASDAQ	CRVL	Thu, Jul 3, 2003	11.64	12.00	11.64	11.89
2799	NASDAQ	CRVL	Wed, Jul 2, 2003	11.83	12.05	11.44	11.55
2798	NASDAQ	CRVL	Tue, Jul 1, 2003	12.05	12.07	11.66	12.00
2797	NASDAQ	CRVL	Mon, Jun 30, 2003	11.80	12.05	11.77	12.00
2796	NASDAQ	CRVL	Fri, Jun 27, 2003	11.70	12.03	11.67	11.91
2795	NASDAQ	CRVL	Thu, Jun 26, 2003	11.27	11.70	11.27	11.66
2794	NASDAQ	CRVL	Wed, Jun 25, 2003	11.24	11.70	11.21	11.61
2793	NASDAQ	CRVL	Tue, Jun 24, 2003	11.18	11.83	11.03	11.44
2792	NASDAQ	CRVL	Mon, Jun 23, 2003	11.84	12.03	11.26	11.43
2791	NASDAQ	CRVL	Fri, Jun 20, 2003	11.83	12.00	11.64	11.93
2790	NASDAQ	CRVL	Thu, Jun 19, 2003	11.35	11.78	11.33	11.78
2789	NASDAQ	CRVL	Wed, Jun 18, 2003	11.27	11.52	11.23	11.41
2788	NASDAQ	CRVL	Tue, Jun 17, 2003	11.06	11.33	10.93	11.33
2787	NASDAQ	CRVL	Mon, Jun 16, 2003	11.03	11.22	11.03	11.10
2786	NASDAQ	CRVL	Fri, Jun 13, 2003	11.06	11.18	10.98	11.02
2785	NASDAQ	CRVL	Thu, Jun 12, 2003	10.87	11.21	10.87	11.01
2784	NASDAQ	CRVL	Wed, Jun 11, 2003	10.87	11.17	10.87	11.00
2783	NASDAQ	CRVL	Tue, Jun 10, 2003	11.00	11.18	10.70	11.18
2782	NASDAQ	CRVL	Mon, Jun 9, 2003	10.88	11.24	10.83	11.19
2781	NASDAQ	CRVL	Fri, Jun 6, 2003	10.85	11.50	10.80	11.04
2780	NASDAQ	CRVL	Thu, Jun 5, 2003	10.99	10.99	10.67	10.84
2779	NASDAQ	CRVL	Wed, Jun 4, 2003	10.80	11.00	10.70	10.96
2778	NASDAQ	CRVL	Tue, Jun 3, 2003	11.02	11.22	10.58	10.78
2777	NASDAQ	CRVL	Mon, Jun 2, 2003	11.08	11.19	11.00	11.07
2776	NASDAQ	CRVL	Fri, May 30, 2003	11.03	11.07	10.85	11.06
2775	NASDAQ	CRVL	Thu, May 29, 2003	11.05	11.09	10.94	11.03
2774	NASDAQ	CRVL	Wed, May 28, 2003	11.02	11.10	10.77	11.01
2773	NASDAQ	CRVL	Tue, May 27, 2003	10.94	11.02	10.94	11.00
2772	NASDAQ	CRVL	Fri, May 23, 2003	10.89	10.94	10.69	10.86
2771	NASDAQ	CRVL	Thu, May 22, 2003	10.86	10.95	10.84	10.89
2770	NASDAQ	CRVL	Wed, May 21, 2003	10.67	10.81	10.64	10.71
2769	NASDAQ	CRVL	Tue, May 20, 2003	10.57	10.75	10.50	10.63
2768	NASDAQ	CRVL	Mon, May 19, 2003	10.83	10.92	10.51	10.51
2767	NASDAQ	CRVL	Fri, May 16, 2003	10.53	11.02	10.53	10.65
2766	NASDAQ	CRVL	Thu, May 15, 2003	11.09	11.13	10.68	10.89
2765	NASDAQ	CRVL	Wed, May 14, 2003	10.69	11.22	10.69	11.02
2764	NASDAQ	CRVL	Tue, May 13, 2003	11.13	11.17	10.47	10.80
2763	NASDAQ	CRVL	Mon, May 12, 2003	11.28	11.33	11.17	11.17
2762	NASDAQ	CRVL	Fri, May 9, 2003	11.34	11.34	11.25	11.28
2761	NASDAQ	CRVL	Thu, May 8, 2003	11.33	11.33	10.93	11.22
2760	NASDAQ	CRVL	Wed, May 7, 2003	11.31	11.43	11.17	11.33
2759	NASDAQ	CRVL	Tue, May 6, 2003	10.67	11.37	10.67	11.21
2758	NASDAQ	CRVL	Mon, May 5, 2003	10.54	10.89	10.50	10.69
2757	NASDAQ	CRVL	Fri, May 2, 2003	10.44	10.60	10.42	10.58
2756	NASDAQ	CRVL	Thu, May 1, 2003	10.39	10.43	10.34	10.41
2755	NASDAQ	CRVL	Wed, Apr 30, 2003	10.43	10.43	10.38	10.43
2754	NASDAQ	CRVL	Tue, Apr 29, 2003	10.42	10.50	10.38	10.38
2753	NASDAQ	CRVL	Mon, Apr 28, 2003	10.35	10.50	10.35	10.50
2752	NASDAQ	CRVL	Fri, Apr 25, 2003	10.38	10.50	10.38	10.38
2751	NASDAQ	CRVL	Thu, Apr 24, 2003	10.48	10.48	10.31	10.38
2750	NASDAQ	CRVL	Wed, Apr 23, 2003	10.48	10.50	10.37	10.46
2749	NASDAQ	CRVL	Tue, Apr 22, 2003	10.47	10.50	10.44	10.48
2748	NASDAQ	CRVL	Mon, Apr 21, 2003	10.58	10.58	10.40	10.47
2747	NASDAQ	CRVL	Thu, Apr 17, 2003	10.50	10.60	10.25	10.60
2746	NASDAQ	CRVL	Wed, Apr 16, 2003	10.58	10.59	10.41	10.41
2745	NASDAQ	CRVL	Tue, Apr 15, 2003	10.50	10.53	10.25	10.50
2744	NASDAQ	CRVL	Mon, Apr 14, 2003	10.43	10.66	10.15	10.50
2743	NASDAQ	CRVL	Fri, Apr 11, 2003	10.83	10.83	10.45	10.47
2742	NASDAQ	CRVL	Thu, Apr 10, 2003	10.66	10.70	10.63	10.70
2741	NASDAQ	CRVL	Wed, Apr 9, 2003	10.78	10.87	10.57	10.61
2740	NASDAQ	CRVL	Tue, Apr 8, 2003	10.67	10.86	10.46	10.76
2739	NASDAQ	CRVL	Mon, Apr 7, 2003	10.13	10.60	10.10	10.45
2738	NASDAQ	CRVL	Fri, Apr 4, 2003	10.18	10.36	9.95	10.16
2737	NASDAQ	CRVL	Thu, Apr 3, 2003	10.81	10.87	10.17	10.22
2736	NASDAQ	CRVL	Wed, Apr 2, 2003	10.87	10.87	10.72	10.80
2735	NASDAQ	CRVL	Tue, Apr 1, 2003	10.84	10.86	10.77	10.85
2734	NASDAQ	CRVL	Mon, Mar 31, 2003	10.97	11.22	10.86	10.86
2733	NASDAQ	CRVL	Fri, Mar 28, 2003	11.28	11.40	11.14	11.14
2732	NASDAQ	CRVL	Thu, Mar 27, 2003	11.20	11.46	10.92	11.23
2731	NASDAQ	CRVL	Wed, Mar 26, 2003	11.27	11.39	11.12	11.22
2730	NASDAQ	CRVL	Tue, Mar 25, 2003	11.26	11.42	11.26	11.35
2729	NASDAQ	CRVL	Mon, Mar 24, 2003	11.25	11.27	11.21	11.21
2728	NASDAQ	CRVL	Fri, Mar 21, 2003	11.07	11.30	11.05	11.25
2727	NASDAQ	CRVL	Thu, Mar 20, 2003	11.27	11.29	11.21	11.28
2726	NASDAQ	CRVL	Wed, Mar 19, 2003	11.27	11.33	11.26	11.29
2725	NASDAQ	CRVL	Tue, Mar 18, 2003	11.28	11.40	11.28	11.33
2724	NASDAQ	CRVL	Mon, Mar 17, 2003	11.11	11.45	11.07	11.30
2723	NASDAQ	CRVL	Fri, Mar 14, 2003	10.83	11.26	10.83	11.09
2722	NASDAQ	CRVL	Thu, Mar 13, 2003	10.31	10.80	10.24	10.72
2721	NASDAQ	CRVL	Wed, Mar 12, 2003	10.54	10.69	10.10	10.29
2720	NASDAQ	CRVL	Tue, Mar 11, 2003	10.58	10.68	10.58	10.68
2719	NASDAQ	CRVL	Mon, Mar 10, 2003	10.62	10.62	10.34	10.51
2718	NASDAQ	CRVL	Fri, Mar 7, 2003	10.34	10.67	10.34	10.64
2717	NASDAQ	CRVL	Thu, Mar 6, 2003	10.26	10.50	10.26	10.50
2716	NASDAQ	CRVL	Wed, Mar 5, 2003	10.44	10.59	10.27	10.45
2715	NASDAQ	CRVL	Tue, Mar 4, 2003	10.32	10.48	10.29	10.34
2714	NASDAQ	CRVL	Mon, Mar 3, 2003	11.00	11.04	10.33	10.33
2713	NASDAQ	CRVL	Fri, Feb 28, 2003	11.02	11.08	10.87	10.95
2712	NASDAQ	CRVL	Thu, Feb 27, 2003	11.05	11.05	10.98	11.03
2711	NASDAQ	CRVL	Wed, Feb 26, 2003	10.97	11.09	10.97	11.00
2710	NASDAQ	CRVL	Tue, Feb 25, 2003	11.09	11.09	10.88	11.00
2709	NASDAQ	CRVL	Mon, Feb 24, 2003	11.13	11.19	11.10	11.12
2708	NASDAQ	CRVL	Fri, Feb 21, 2003	11.13	11.31	11.13	11.18
2707	NASDAQ	CRVL	Thu, Feb 20, 2003	10.89	11.14	10.89	11.11
2706	NASDAQ	CRVL	Wed, Feb 19, 2003	10.70	10.86	10.70	10.86
2705	NASDAQ	CRVL	Tue, Feb 18, 2003	10.71	10.74	10.67	10.68
2704	NASDAQ	CRVL	Fri, Feb 14, 2003	10.50	10.78	10.50	10.67
2703	NASDAQ	CRVL	Thu, Feb 13, 2003	10.64	10.74	10.42	10.51
2702	NASDAQ	CRVL	Wed, Feb 12, 2003	10.74	10.76	10.65	10.65
2701	NASDAQ	CRVL	Tue, Feb 11, 2003	10.88	10.97	10.74	10.74
2700	NASDAQ	CRVL	Mon, Feb 10, 2003	11.01	11.01	10.89	10.91
2699	NASDAQ	CRVL	Fri, Feb 7, 2003	11.15	11.23	10.96	11.08
2698	NASDAQ	CRVL	Thu, Feb 6, 2003	11.15	11.25	11.13	11.24
2697	NASDAQ	CRVL	Wed, Feb 5, 2003	11.38	11.50	11.08	11.14
2696	NASDAQ	CRVL	Tue, Feb 4, 2003	11.23	11.37	11.17	11.36
2695	NASDAQ	CRVL	Mon, Feb 3, 2003	11.21	11.31	11.02	11.17
2694	NASDAQ	CRVL	Fri, Jan 31, 2003	10.82	11.14	10.76	11.14
2693	NASDAQ	CRVL	Thu, Jan 30, 2003	10.75	10.84	10.64	10.82
2692	NASDAQ	CRVL	Wed, Jan 29, 2003	10.56	11.02	10.39	10.61
2691	NASDAQ	CRVL	Tue, Jan 28, 2003	11.17	11.22	10.35	10.50
2690	NASDAQ	CRVL	Mon, Jan 27, 2003	11.42	11.44	11.25	11.25
2689	NASDAQ	CRVL	Fri, Jan 24, 2003	11.70	11.70	11.35	11.35
2688	NASDAQ	CRVL	Thu, Jan 23, 2003	11.62	11.82	11.39	11.70
2687	NASDAQ	CRVL	Wed, Jan 22, 2003	11.96	12.00	11.62	11.62
2686	NASDAQ	CRVL	Tue, Jan 21, 2003	11.67	11.99	11.63	11.94
2685	NASDAQ	CRVL	Fri, Jan 17, 2003	11.94	11.94	11.63	11.83
2684	NASDAQ	CRVL	Thu, Jan 16, 2003	11.74	12.00	11.74	11.90
2683	NASDAQ	CRVL	Wed, Jan 15, 2003	11.90	11.99	11.83	11.92
2682	NASDAQ	CRVL	Tue, Jan 14, 2003	11.90	11.97	11.68	11.84
2681	NASDAQ	CRVL	Mon, Jan 13, 2003	11.83	11.96	11.67	11.90
2680	NASDAQ	CRVL	Fri, Jan 10, 2003	12.05	12.07	11.89	11.89
2679	NASDAQ	CRVL	Thu, Jan 9, 2003	12.03	12.10	12.03	12.05
2678	NASDAQ	CRVL	Wed, Jan 8, 2003	11.79	12.05	11.79	12.03
2677	NASDAQ	CRVL	Tue, Jan 7, 2003	12.07	12.08	11.88	12.00
2676	NASDAQ	CRVL	Mon, Jan 6, 2003	12.08	12.08	11.97	12.00
2675	NASDAQ	CRVL	Fri, Jan 3, 2003	11.87	12.09	11.80	12.01
2674	NASDAQ	CRVL	Thu, Jan 2, 2003	12.10	12.10	11.96	12.08
2673	NASDAQ	CRVL	Tue, Dec 31, 2002	11.83	12.20	11.83	11.92
2672	NASDAQ	CRVL	Mon, Dec 30, 2002	11.87	12.16	11.86	12.14
2671	NASDAQ	CRVL	Fri, Dec 27, 2002	11.90	12.00	11.86	11.86
2670	NASDAQ	CRVL	Thu, Dec 26, 2002	11.95	12.01	11.89	12.01
2669	NASDAQ	CRVL	Tue, Dec 24, 2002	11.83	11.97	11.83	11.97
2668	NASDAQ	CRVL	Mon, Dec 23, 2002	11.67	11.83	11.67	11.82
2667	NASDAQ	CRVL	Fri, Dec 20, 2002	11.73	11.73	11.42	11.70
2666	NASDAQ	CRVL	Thu, Dec 19, 2002	11.70	11.70	11.64	11.70
2665	NASDAQ	CRVL	Wed, Dec 18, 2002	11.70	11.70	11.54	11.70
2664	NASDAQ	CRVL	Tue, Dec 17, 2002	11.58	11.72	11.52	11.59
2663	NASDAQ	CRVL	Mon, Dec 16, 2002	11.34	11.59	11.34	11.58
2662	NASDAQ	CRVL	Fri, Dec 13, 2002	11.35	11.56	11.35	11.52
2661	NASDAQ	CRVL	Thu, Dec 12, 2002	11.39	11.45	11.38	11.42
2660	NASDAQ	CRVL	Wed, Dec 11, 2002	11.35	11.38	11.25	11.38
2659	NASDAQ	CRVL	Tue, Dec 10, 2002	11.33	11.39	11.27	11.35
2658	NASDAQ	CRVL	Mon, Dec 9, 2002	11.35	11.47	11.08	11.28
2657	NASDAQ	CRVL	Fri, Dec 6, 2002	11.07	11.38	11.07	11.33
2656	NASDAQ	CRVL	Thu, Dec 5, 2002	11.13	11.25	10.87	11.07
2655	NASDAQ	CRVL	Wed, Dec 4, 2002	11.10	11.14	11.05	11.13
2654	NASDAQ	CRVL	Tue, Dec 3, 2002	11.16	11.20	10.95	11.18
2653	NASDAQ	CRVL	Mon, Dec 2, 2002	11.09	11.24	10.88	11.07
2652	NASDAQ	CRVL	Fri, Nov 29, 2002	10.88	11.24	10.52	11.08
2651	NASDAQ	CRVL	Wed, Nov 27, 2002	11.25	11.25	10.93	11.24
2650	NASDAQ	CRVL	Tue, Nov 26, 2002	11.06	11.17	10.97	10.98
2649	NASDAQ	CRVL	Mon, Nov 25, 2002	11.17	11.17	11.02	11.17
2648	NASDAQ	CRVL	Fri, Nov 22, 2002	11.01	11.17	10.93	11.17
2647	NASDAQ	CRVL	Thu, Nov 21, 2002	11.17	11.17	11.08	11.10
2646	NASDAQ	CRVL	Wed, Nov 20, 2002	11.00	11.19	11.00	11.10
2645	NASDAQ	CRVL	Tue, Nov 19, 2002	10.98	11.17	10.98	11.07
2644	NASDAQ	CRVL	Mon, Nov 18, 2002	11.08	11.15	10.98	11.00
2643	NASDAQ	CRVL	Fri, Nov 15, 2002	10.96	11.08	10.93	11.08
2642	NASDAQ	CRVL	Thu, Nov 14, 2002	10.88	11.07	10.74	10.97
2641	NASDAQ	CRVL	Wed, Nov 13, 2002	11.00	11.33	10.75	10.96
2640	NASDAQ	CRVL	Tue, Nov 12, 2002	11.01	11.33	10.94	10.94
2639	NASDAQ	CRVL	Mon, Nov 11, 2002	11.29	11.29	11.13	11.24
2638	NASDAQ	CRVL	Fri, Nov 8, 2002	11.42	11.58	11.08	11.29
2637	NASDAQ	CRVL	Thu, Nov 7, 2002	11.48	11.48	11.34	11.42
2636	NASDAQ	CRVL	Wed, Nov 6, 2002	11.33	11.50	11.16	11.30
2635	NASDAQ	CRVL	Tue, Nov 5, 2002	11.27	11.40	11.18	11.33
2634	NASDAQ	CRVL	Mon, Nov 4, 2002	11.17	11.48	11.14	11.27
2633	NASDAQ	CRVL	Fri, Nov 1, 2002	11.05	11.17	11.05	11.16
2632	NASDAQ	CRVL	Thu, Oct 31, 2002	10.92	11.02	10.90	11.00
2631	NASDAQ	CRVL	Wed, Oct 30, 2002	10.64	10.92	10.63	10.90
2630	NASDAQ	CRVL	Tue, Oct 29, 2002	10.72	10.72	10.34	10.67
2629	NASDAQ	CRVL	Mon, Oct 28, 2002	10.41	10.72	10.35	10.50
2628	NASDAQ	CRVL	Fri, Oct 25, 2002	10.63	10.63	10.30	10.35
2627	NASDAQ	CRVL	Thu, Oct 24, 2002	10.50	10.67	10.50	10.50
2626	NASDAQ	CRVL	Wed, Oct 23, 2002	10.09	10.67	10.09	10.62
2625	NASDAQ	CRVL	Tue, Oct 22, 2002	10.00	10.16	9.92	10.12
2624	NASDAQ	CRVL	Mon, Oct 21, 2002	10.00	10.00	9.91	10.00
2623	NASDAQ	CRVL	Fri, Oct 18, 2002	9.96	10.00	9.90	10.00
2622	NASDAQ	CRVL	Thu, Oct 17, 2002	10.08	10.08	9.77	9.93
2621	NASDAQ	CRVL	Wed, Oct 16, 2002	10.08	10.17	9.89	9.90
2620	NASDAQ	CRVL	Tue, Oct 15, 2002	9.92	10.12	9.92	10.12
2619	NASDAQ	CRVL	Mon, Oct 14, 2002	10.00	10.03	9.92	10.00
2618	NASDAQ	CRVL	Fri, Oct 11, 2002	9.97	10.06	9.70	10.00
2617	NASDAQ	CRVL	Thu, Oct 10, 2002	10.03	10.03	9.87	9.92
2616	NASDAQ	CRVL	Wed, Oct 9, 2002	9.90	10.06	9.84	10.00
2615	NASDAQ	CRVL	Tue, Oct 8, 2002	10.01	10.03	9.95	10.03
2614	NASDAQ	CRVL	Mon, Oct 7, 2002	9.97	10.08	9.89	9.89
2613	NASDAQ	CRVL	Fri, Oct 4, 2002	9.99	10.01	9.87	9.97
2612	NASDAQ	CRVL	Thu, Oct 3, 2002	10.05	10.13	10.00	10.00
2611	NASDAQ	CRVL	Wed, Oct 2, 2002	10.15	10.15	10.02	10.05
2610	NASDAQ	CRVL	Tue, Oct 1, 2002	10.06	10.12	9.98	10.10
2609	NASDAQ	CRVL	Mon, Sep 30, 2002	9.67	10.03	9.67	9.99
2608	NASDAQ	CRVL	Fri, Sep 27, 2002	9.80	9.93	9.65	9.65
2607	NASDAQ	CRVL	Thu, Sep 26, 2002	10.02	10.02	9.88	9.93
2606	NASDAQ	CRVL	Wed, Sep 25, 2002	9.77	9.98	9.59	9.98
2605	NASDAQ	CRVL	Tue, Sep 24, 2002	10.00	10.00	9.50	9.59
2604	NASDAQ	CRVL	Mon, Sep 23, 2002	9.98	10.08	9.98	10.00
2603	NASDAQ	CRVL	Fri, Sep 20, 2002	10.00	10.02	9.83	9.95
2602	NASDAQ	CRVL	Thu, Sep 19, 2002	9.75	9.88	9.75	9.88
2601	NASDAQ	CRVL	Wed, Sep 18, 2002	9.45	9.83	9.24	9.75
2600	NASDAQ	CRVL	Tue, Sep 17, 2002	9.77	9.77	9.47	9.56
2599	NASDAQ	CRVL	Mon, Sep 16, 2002	9.58	9.83	9.58	9.81
2598	NASDAQ	CRVL	Fri, Sep 13, 2002	9.75	9.75	9.68	9.68
2597	NASDAQ	CRVL	Thu, Sep 12, 2002	9.50	9.81	9.50	9.73
2596	NASDAQ	CRVL	Wed, Sep 11, 2002	9.70	9.73	9.52	9.67
2595	NASDAQ	CRVL	Tue, Sep 10, 2002	9.62	9.78	9.62	9.66
2594	NASDAQ	CRVL	Mon, Sep 9, 2002	9.67	9.79	9.59	9.64
2593	NASDAQ	CRVL	Fri, Sep 6, 2002	9.43	9.68	9.36	9.68
2592	NASDAQ	CRVL	Thu, Sep 5, 2002	9.57	9.63	9.37	9.37
2591	NASDAQ	CRVL	Wed, Sep 4, 2002	9.33	9.65	9.33	9.65
2590	NASDAQ	CRVL	Tue, Sep 3, 2002	9.49	9.67	9.30	9.49
2589	NASDAQ	CRVL	Fri, Aug 30, 2002	9.64	9.67	9.49	9.67
2588	NASDAQ	CRVL	Thu, Aug 29, 2002	9.52	9.64	9.23	9.64
2587	NASDAQ	CRVL	Wed, Aug 28, 2002	9.53	9.85	9.37	9.37
2586	NASDAQ	CRVL	Tue, Aug 27, 2002	10.03	10.03	9.60	9.77
2585	NASDAQ	CRVL	Mon, Aug 26, 2002	9.81	10.03	9.60	9.95
2584	NASDAQ	CRVL	Fri, Aug 23, 2002	10.03	10.03	9.82	9.82
2583	NASDAQ	CRVL	Thu, Aug 22, 2002	10.10	10.10	9.95	10.08
2582	NASDAQ	CRVL	Wed, Aug 21, 2002	9.99	10.20	9.98	10.11
2581	NASDAQ	CRVL	Tue, Aug 20, 2002	10.07	10.22	10.00	10.07
2580	NASDAQ	CRVL	Mon, Aug 19, 2002	10.03	10.17	9.99	10.07
2579	NASDAQ	CRVL	Fri, Aug 16, 2002	10.04	10.12	9.94	10.03
2578	NASDAQ	CRVL	Thu, Aug 15, 2002	10.00	10.16	9.95	9.95
2577	NASDAQ	CRVL	Wed, Aug 14, 2002	9.95	10.17	9.83	10.03
2576	NASDAQ	CRVL	Tue, Aug 13, 2002	10.00	10.20	9.59	9.75
2575	NASDAQ	CRVL	Mon, Aug 12, 2002	9.88	10.03	9.72	10.00
2574	NASDAQ	CRVL	Fri, Aug 9, 2002	10.05	10.25	9.95	9.95
2573	NASDAQ	CRVL	Thu, Aug 8, 2002	10.13	10.28	10.00	10.04
2572	NASDAQ	CRVL	Wed, Aug 7, 2002	10.11	10.25	10.08	10.25
2571	NASDAQ	CRVL	Tue, Aug 6, 2002	9.67	10.40	9.67	10.11
2570	NASDAQ	CRVL	Mon, Aug 5, 2002	9.93	10.00	9.62	9.67
2569	NASDAQ	CRVL	Fri, Aug 2, 2002	9.93	10.17	9.90	10.00
2568	NASDAQ	CRVL	Thu, Aug 1, 2002	9.78	9.92	9.64	9.91
2567	NASDAQ	CRVL	Wed, Jul 31, 2002	9.94	10.00	9.87	9.87
2566	NASDAQ	CRVL	Tue, Jul 30, 2002	10.08	10.08	9.85	10.00
2565	NASDAQ	CRVL	Mon, Jul 29, 2002	9.73	10.02	9.73	10.02
2564	NASDAQ	CRVL	Fri, Jul 26, 2002	9.80	9.85	9.64	9.67
2563	NASDAQ	CRVL	Thu, Jul 25, 2002	10.07	10.08	9.68	9.85
2562	NASDAQ	CRVL	Wed, Jul 24, 2002	10.00	10.07	9.60	10.07
2561	NASDAQ	CRVL	Tue, Jul 23, 2002	10.62	10.66	9.89	10.07
2560	NASDAQ	CRVL	Mon, Jul 22, 2002	10.88	10.99	10.65	10.70
2559	NASDAQ	CRVL	Fri, Jul 19, 2002	11.00	11.10	10.73	10.93
2558	NASDAQ	CRVL	Thu, Jul 18, 2002	10.76	11.29	10.76	11.01
2557	NASDAQ	CRVL	Wed, Jul 17, 2002	10.67	10.77	10.59	10.76
2556	NASDAQ	CRVL	Tue, Jul 16, 2002	10.50	10.70	10.31	10.69
2555	NASDAQ	CRVL	Mon, Jul 15, 2002	10.23	10.70	10.00	10.70
2554	NASDAQ	CRVL	Fri, Jul 12, 2002	10.03	10.32	10.00	10.30
2553	NASDAQ	CRVL	Thu, Jul 11, 2002	10.65	10.86	10.08	10.08
2552	NASDAQ	CRVL	Wed, Jul 10, 2002	11.06	11.52	10.63	10.95
2551	NASDAQ	CRVL	Tue, Jul 9, 2002	11.31	11.57	11.23	11.27
2550	NASDAQ	CRVL	Mon, Jul 8, 2002	11.23	11.45	11.20	11.45
2549	NASDAQ	CRVL	Fri, Jul 5, 2002	10.70	11.23	10.70	11.23
2548	NASDAQ	CRVL	Wed, Jul 3, 2002	10.57	10.70	10.38	10.70
2547	NASDAQ	CRVL	Tue, Jul 2, 2002	10.75	11.05	10.61	11.03
2546	NASDAQ	CRVL	Mon, Jul 1, 2002	11.02	11.45	10.59	10.84
2545	NASDAQ	CRVL	Fri, Jun 28, 2002	11.65	11.73	11.00	11.16
2544	NASDAQ	CRVL	Thu, Jun 27, 2002	11.79	11.85	11.67	11.67
2543	NASDAQ	CRVL	Wed, Jun 26, 2002	11.86	11.86	11.74	11.83
2542	NASDAQ	CRVL	Tue, Jun 25, 2002	11.83	11.96	11.77	11.83
2541	NASDAQ	CRVL	Mon, Jun 24, 2002	11.81	11.90	11.76	11.83
2540	NASDAQ	CRVL	Fri, Jun 21, 2002	11.72	11.90	11.61	11.78
2539	NASDAQ	CRVL	Thu, Jun 20, 2002	11.27	11.77	11.27	11.67
2538	NASDAQ	CRVL	Wed, Jun 19, 2002	11.80	11.80	11.27	11.27
2537	NASDAQ	CRVL	Tue, Jun 18, 2002	11.58	11.77	11.58	11.77
2536	NASDAQ	CRVL	Mon, Jun 17, 2002	11.71	11.79	11.43	11.61
2535	NASDAQ	CRVL	Fri, Jun 14, 2002	11.70	11.72	11.43	11.72
2534	NASDAQ	CRVL	Thu, Jun 13, 2002	11.65	11.75	11.50	11.72
2533	NASDAQ	CRVL	Wed, Jun 12, 2002	11.14	11.66	11.11	11.66
2532	NASDAQ	CRVL	Tue, Jun 11, 2002	11.14	11.50	11.14	11.50
2531	NASDAQ	CRVL	Mon, Jun 10, 2002	11.41	11.50	11.17	11.48
2530	NASDAQ	CRVL	Fri, Jun 7, 2002	11.17	11.40	11.08	11.33
2529	NASDAQ	CRVL	Thu, Jun 6, 2002	11.17	11.36	11.17	11.36
2528	NASDAQ	CRVL	Wed, Jun 5, 2002	11.32	11.42	11.17	11.22
2527	NASDAQ	CRVL	Tue, Jun 4, 2002	11.61	11.61	11.24	11.32
2526	NASDAQ	CRVL	Mon, Jun 3, 2002	11.42	11.48	11.25	11.40
2525	NASDAQ	CRVL	Fri, May 31, 2002	11.39	11.58	11.39	11.45
2524	NASDAQ	CRVL	Thu, May 30, 2002	11.45	11.50	11.43	11.50
2523	NASDAQ	CRVL	Wed, May 29, 2002	11.08	11.53	10.95	11.42
2522	NASDAQ	CRVL	Tue, May 28, 2002	11.05	11.49	11.00	11.47
2521	NASDAQ	CRVL	Fri, May 24, 2002	11.40	11.40	11.02	11.29
2520	NASDAQ	CRVL	Thu, May 23, 2002	11.20	11.33	11.12	11.33
2519	NASDAQ	CRVL	Wed, May 22, 2002	11.27	11.37	11.13	11.37
2518	NASDAQ	CRVL	Tue, May 21, 2002	11.42	11.42	11.25	11.32
2517	NASDAQ	CRVL	Mon, May 20, 2002	11.54	11.61	11.17	11.28
2516	NASDAQ	CRVL	Fri, May 17, 2002	11.28	11.54	11.25	11.41
2515	NASDAQ	CRVL	Thu, May 16, 2002	11.44	11.51	11.10	11.31
2514	NASDAQ	CRVL	Wed, May 15, 2002	11.41	11.44	11.22	11.42
2513	NASDAQ	CRVL	Tue, May 14, 2002	11.41	11.43	11.38	11.39
2512	NASDAQ	CRVL	Mon, May 13, 2002	11.33	11.40	11.14	11.36
2511	NASDAQ	CRVL	Fri, May 10, 2002	11.17	11.33	11.05	11.33
2510	NASDAQ	CRVL	Thu, May 9, 2002	11.38	11.41	11.22	11.30
2509	NASDAQ	CRVL	Wed, May 8, 2002	11.38	11.42	11.38	11.41
2508	NASDAQ	CRVL	Tue, May 7, 2002	11.40	11.42	11.35	11.38
2507	NASDAQ	CRVL	Mon, May 6, 2002	11.40	11.41	11.32	11.37
2506	NASDAQ	CRVL	Fri, May 3, 2002	11.33	11.41	11.22	11.33
2505	NASDAQ	CRVL	Thu, May 2, 2002	11.20	11.40	11.12	11.40
2504	NASDAQ	CRVL	Wed, May 1, 2002	11.13	11.30	10.97	11.22
2503	NASDAQ	CRVL	Tue, Apr 30, 2002	10.82	11.04	10.82	11.04
2502	NASDAQ	CRVL	Mon, Apr 29, 2002	10.83	10.97	10.83	10.87
2501	NASDAQ	CRVL	Fri, Apr 26, 2002	10.97	11.00	10.94	10.95
2500	NASDAQ	CRVL	Thu, Apr 25, 2002	10.99	11.00	10.67	10.97
2499	NASDAQ	CRVL	Wed, Apr 24, 2002	10.89	11.00	10.89	10.92
2498	NASDAQ	CRVL	Tue, Apr 23, 2002	10.84	10.98	10.84	10.96
2497	NASDAQ	CRVL	Mon, Apr 22, 2002	10.83	10.90	10.80	10.88
2496	NASDAQ	CRVL	Fri, Apr 19, 2002	10.91	10.94	10.80	10.93
2495	NASDAQ	CRVL	Thu, Apr 18, 2002	10.91	10.99	10.91	10.99
2494	NASDAQ	CRVL	Wed, Apr 17, 2002	10.99	11.00	10.91	10.91
2493	NASDAQ	CRVL	Tue, Apr 16, 2002	11.00	11.00	10.93	10.99
2492	NASDAQ	CRVL	Mon, Apr 15, 2002	10.93	11.00	10.90	10.91
2491	NASDAQ	CRVL	Fri, Apr 12, 2002	11.00	11.00	10.83	10.99
2490	NASDAQ	CRVL	Thu, Apr 11, 2002	11.00	11.00	10.89	10.89
2489	NASDAQ	CRVL	Wed, Apr 10, 2002	11.08	11.08	10.83	11.04
2488	NASDAQ	CRVL	Tue, Apr 9, 2002	11.01	11.12	10.93	10.99
2487	NASDAQ	CRVL	Mon, Apr 8, 2002	11.25	11.25	10.99	11.02
2486	NASDAQ	CRVL	Fri, Apr 5, 2002	10.83	11.23	10.79	11.20
2485	NASDAQ	CRVL	Thu, Apr 4, 2002	9.83	10.82	9.83	10.60
2484	NASDAQ	CRVL	Wed, Apr 3, 2002	10.05	10.17	9.85	9.85
2483	NASDAQ	CRVL	Tue, Apr 2, 2002	10.01	10.21	10.01	10.16
2482	NASDAQ	CRVL	Mon, Apr 1, 2002	10.12	10.17	10.00	10.08
2481	NASDAQ	CRVL	Thu, Mar 28, 2002	10.04	10.23	9.95	9.95
2480	NASDAQ	CRVL	Wed, Mar 27, 2002	10.04	10.20	10.04	10.11
2479	NASDAQ	CRVL	Tue, Mar 26, 2002	10.32	10.32	10.12	10.18
2478	NASDAQ	CRVL	Mon, Mar 25, 2002	10.33	10.33	10.15	10.18
2477	NASDAQ	CRVL	Fri, Mar 22, 2002	10.33	10.33	10.16	10.16
2476	NASDAQ	CRVL	Thu, Mar 21, 2002	10.48	10.48	10.13	10.33
2475	NASDAQ	CRVL	Wed, Mar 20, 2002	10.49	10.49	10.06	10.13
2474	NASDAQ	CRVL	Tue, Mar 19, 2002	10.40	10.40	10.23	10.23
2473	NASDAQ	CRVL	Mon, Mar 18, 2002	10.38	10.38	10.08	10.08
2472	NASDAQ	CRVL	Fri, Mar 15, 2002	10.00	10.25	10.00	10.08
2471	NASDAQ	CRVL	Thu, Mar 14, 2002	10.08	10.17	9.93	10.06
2470	NASDAQ	CRVL	Wed, Mar 13, 2002	10.50	10.50	9.75	10.05
2469	NASDAQ	CRVL	Tue, Mar 12, 2002	10.22	10.50	10.17	10.44
2468	NASDAQ	CRVL	Mon, Mar 11, 2002	10.37	10.37	9.84	10.22
2467	NASDAQ	CRVL	Fri, Mar 8, 2002	10.21	10.48	10.02	10.37
2466	NASDAQ	CRVL	Thu, Mar 7, 2002	10.10	10.20	10.00	10.10
2465	NASDAQ	CRVL	Wed, Mar 6, 2002	10.10	10.10	9.86	10.01
2464	NASDAQ	CRVL	Tue, Mar 5, 2002	10.17	10.50	9.99	10.13
2463	NASDAQ	CRVL	Mon, Mar 4, 2002	10.03	10.67	9.85	10.06
2462	NASDAQ	CRVL	Fri, Mar 1, 2002	9.57	10.02	9.57	10.00
2461	NASDAQ	CRVL	Thu, Feb 28, 2002	9.52	9.87	9.33	9.62
2460	NASDAQ	CRVL	Wed, Feb 27, 2002	10.22	10.22	9.37	9.56
2459	NASDAQ	CRVL	Tue, Feb 26, 2002	10.30	10.38	10.05	10.21
2458	NASDAQ	CRVL	Mon, Feb 25, 2002	10.40	10.50	10.05	10.33
2457	NASDAQ	CRVL	Fri, Feb 22, 2002	10.67	10.94	10.01	10.40
2456	NASDAQ	CRVL	Thu, Feb 21, 2002	11.00	11.00	10.63	10.78
2455	NASDAQ	CRVL	Wed, Feb 20, 2002	10.80	10.80	10.67	10.79
2454	NASDAQ	CRVL	Tue, Feb 19, 2002	10.57	11.00	10.50	10.80
2453	NASDAQ	CRVL	Fri, Feb 15, 2002	10.76	10.92	10.50	10.60
2452	NASDAQ	CRVL	Thu, Feb 14, 2002	11.00	11.00	10.67	10.75
2451	NASDAQ	CRVL	Wed, Feb 13, 2002	10.70	10.90	10.70	10.86
2450	NASDAQ	CRVL	Tue, Feb 12, 2002	10.94	11.00	10.72	10.83
2449	NASDAQ	CRVL	Mon, Feb 11, 2002	10.66	10.92	10.55	10.72
2448	NASDAQ	CRVL	Fri, Feb 8, 2002	10.55	10.88	10.55	10.88
2447	NASDAQ	CRVL	Thu, Feb 7, 2002	10.67	10.67	10.55	10.60
2446	NASDAQ	CRVL	Wed, Feb 6, 2002	10.66	10.67	10.58	10.58
2445	NASDAQ	CRVL	Tue, Feb 5, 2002	10.53	10.66	10.53	10.66
2444	NASDAQ	CRVL	Mon, Feb 4, 2002	10.67	10.67	10.53	10.55
2443	NASDAQ	CRVL	Fri, Feb 1, 2002	10.67	10.84	10.66	10.84
2442	NASDAQ	CRVL	Thu, Jan 31, 2002	10.83	10.83	10.67	10.67
2441	NASDAQ	CRVL	Wed, Jan 30, 2002	10.74	10.74	10.57	10.74
2440	NASDAQ	CRVL	Tue, Jan 29, 2002	10.58	10.85	10.58	10.74
2439	NASDAQ	CRVL	Mon, Jan 28, 2002	10.50	10.67	10.50	10.67
2438	NASDAQ	CRVL	Fri, Jan 25, 2002	10.57	10.65	10.45	10.56
2437	NASDAQ	CRVL	Thu, Jan 24, 2002	10.57	10.66	10.44	10.66
2436	NASDAQ	CRVL	Wed, Jan 23, 2002	10.63	10.67	10.60	10.60
2435	NASDAQ	CRVL	Tue, Jan 22, 2002	10.43	10.66	10.42	10.60
2434	NASDAQ	CRVL	Fri, Jan 18, 2002	10.42	10.67	10.40	10.43
2433	NASDAQ	CRVL	Thu, Jan 17, 2002	10.53	10.75	10.45	10.66
2432	NASDAQ	CRVL	Wed, Jan 16, 2002	10.83	10.83	10.40	10.70
2431	NASDAQ	CRVL	Tue, Jan 15, 2002	10.67	10.92	10.57	10.78
2430	NASDAQ	CRVL	Mon, Jan 14, 2002	11.15	11.15	10.75	10.75
2429	NASDAQ	CRVL	Fri, Jan 11, 2002	11.11	11.11	10.94	10.94
2428	NASDAQ	CRVL	Thu, Jan 10, 2002	11.18	11.18	11.00	11.10
2427	NASDAQ	CRVL	Wed, Jan 9, 2002	11.18	11.18	11.05	11.17
2426	NASDAQ	CRVL	Tue, Jan 8, 2002	11.08	11.18	11.08	11.13
2425	NASDAQ	CRVL	Mon, Jan 7, 2002	11.17	11.18	11.10	11.17
2424	NASDAQ	CRVL	Fri, Jan 4, 2002	10.83	11.17	10.83	11.12
2423	NASDAQ	CRVL	Thu, Jan 3, 2002	11.07	11.17	10.87	10.87
2422	NASDAQ	CRVL	Wed, Jan 2, 2002	11.17	11.25	10.83	11.17
2421	NASDAQ	CRVL	Mon, Dec 31, 2001	10.50	11.24	10.48	10.92
2420	NASDAQ	CRVL	Fri, Dec 28, 2001	10.21	10.48	10.20	10.48
2419	NASDAQ	CRVL	Thu, Dec 27, 2001	9.93	10.32	9.93	10.25
2418	NASDAQ	CRVL	Wed, Dec 26, 2001	10.08	10.21	9.83	10.18
2417	NASDAQ	CRVL	Mon, Dec 24, 2001	10.00	10.17	9.67	10.17
2416	NASDAQ	CRVL	Fri, Dec 21, 2001	10.00	10.17	10.00	10.13
2415	NASDAQ	CRVL	Thu, Dec 20, 2001	10.36	10.41	10.00	10.10
2414	NASDAQ	CRVL	Wed, Dec 19, 2001	10.67	10.67	10.23	10.33
2413	NASDAQ	CRVL	Tue, Dec 18, 2001	10.48	10.64	10.48	10.63
2412	NASDAQ	CRVL	Mon, Dec 17, 2001	10.50	10.58	10.23	10.58
2411	NASDAQ	CRVL	Fri, Dec 14, 2001	10.50	10.50	10.42	10.50
2410	NASDAQ	CRVL	Thu, Dec 13, 2001	10.40	10.55	10.33	10.36
2409	NASDAQ	CRVL	Wed, Dec 12, 2001	10.45	10.52	10.34	10.50
2408	NASDAQ	CRVL	Tue, Dec 11, 2001	10.90	10.90	10.46	10.53
2407	NASDAQ	CRVL	Mon, Dec 10, 2001	10.90	10.90	10.73	10.73
2406	NASDAQ	CRVL	Fri, Dec 7, 2001	10.84	11.00	10.83	10.83
2405	NASDAQ	CRVL	Thu, Dec 6, 2001	11.02	11.02	10.64	10.96
2404	NASDAQ	CRVL	Wed, Dec 5, 2001	10.80	11.05	10.80	11.00
2403	NASDAQ	CRVL	Tue, Dec 4, 2001	10.72	10.91	10.67	10.82
2402	NASDAQ	CRVL	Mon, Dec 3, 2001	10.67	10.83	10.67	10.77
2401	NASDAQ	CRVL	Fri, Nov 30, 2001	10.48	10.82	10.48	10.81
2400	NASDAQ	CRVL	Thu, Nov 29, 2001	10.67	10.79	10.50	10.73
2399	NASDAQ	CRVL	Wed, Nov 28, 2001	10.50	10.75	10.50	10.74
2398	NASDAQ	CRVL	Tue, Nov 27, 2001	10.67	10.81	10.67	10.81
2397	NASDAQ	CRVL	Mon, Nov 26, 2001	10.76	10.77	10.53	10.73
2396	NASDAQ	CRVL	Fri, Nov 23, 2001	10.70	10.70	10.65	10.70
2395	NASDAQ	CRVL	Wed, Nov 21, 2001	10.75	10.75	10.67	10.67
2394	NASDAQ	CRVL	Tue, Nov 20, 2001	10.83	10.83	10.61	10.75
2393	NASDAQ	CRVL	Mon, Nov 19, 2001	10.80	10.83	10.28	10.77
2392	NASDAQ	CRVL	Fri, Nov 16, 2001	10.37	10.83	10.37	10.73
2391	NASDAQ	CRVL	Thu, Nov 15, 2001	10.30	10.35	10.17	10.33
2390	NASDAQ	CRVL	Wed, Nov 14, 2001	10.17	10.17	10.10	10.17
2389	NASDAQ	CRVL	Tue, Nov 13, 2001	10.06	10.16	9.96	10.10
2388	NASDAQ	CRVL	Mon, Nov 12, 2001	10.16	10.35	9.59	9.96
2387	NASDAQ	CRVL	Fri, Nov 9, 2001	9.72	10.17	9.72	10.16
2386	NASDAQ	CRVL	Thu, Nov 8, 2001	10.08	10.10	9.55	9.55
2385	NASDAQ	CRVL	Wed, Nov 7, 2001	10.08	10.08	9.85	9.85
2384	NASDAQ	CRVL	Tue, Nov 6, 2001	10.08	10.08	9.97	9.97
2383	NASDAQ	CRVL	Mon, Nov 5, 2001	10.03	10.08	9.74	10.08
2382	NASDAQ	CRVL	Fri, Nov 2, 2001	9.67	10.02	9.44	10.01
2381	NASDAQ	CRVL	Thu, Nov 1, 2001	10.02	10.05	9.21	9.83
2380	NASDAQ	CRVL	Wed, Oct 31, 2001	9.77	10.00	9.76	10.00
2379	NASDAQ	CRVL	Tue, Oct 30, 2001	10.00	10.00	9.60	9.76
2378	NASDAQ	CRVL	Mon, Oct 29, 2001	9.86	10.03	9.80	9.83
2377	NASDAQ	CRVL	Fri, Oct 26, 2001	9.50	9.80	9.18	9.80
2376	NASDAQ	CRVL	Thu, Oct 25, 2001	9.40	9.54	9.25	9.50
2375	NASDAQ	CRVL	Wed, Oct 24, 2001	9.03	9.37	9.00	9.37
2374	NASDAQ	CRVL	Tue, Oct 23, 2001	9.23	9.23	9.07	9.12
2373	NASDAQ	CRVL	Mon, Oct 22, 2001	9.33	9.33	9.07	9.20
2372	NASDAQ	CRVL	Fri, Oct 19, 2001	9.03	9.30	9.02	9.17
2371	NASDAQ	CRVL	Thu, Oct 18, 2001	9.00	9.32	8.97	9.00
2370	NASDAQ	CRVL	Wed, Oct 17, 2001	8.99	9.05	8.89	9.02
2369	NASDAQ	CRVL	Tue, Oct 16, 2001	8.94	9.03	8.85	9.01
2368	NASDAQ	CRVL	Mon, Oct 15, 2001	9.00	9.07	8.65	9.02
2367	NASDAQ	CRVL	Fri, Oct 12, 2001	8.75	9.17	8.41	9.03
2366	NASDAQ	CRVL	Thu, Oct 11, 2001	8.51	9.13	8.51	8.93
2365	NASDAQ	CRVL	Wed, Oct 10, 2001	9.25	9.25	8.51	9.14
2364	NASDAQ	CRVL	Tue, Oct 9, 2001	9.21	9.22	9.18	9.20
2363	NASDAQ	CRVL	Mon, Oct 8, 2001	9.21	9.21	9.00	9.08
2362	NASDAQ	CRVL	Fri, Oct 5, 2001	9.08	9.08	9.00	9.01
2361	NASDAQ	CRVL	Thu, Oct 4, 2001	9.09	9.18	8.80	8.96
2360	NASDAQ	CRVL	Wed, Oct 3, 2001	8.83	8.97	8.83	8.97
2359	NASDAQ	CRVL	Tue, Oct 2, 2001	8.87	8.93	8.82	8.93
2358	NASDAQ	CRVL	Mon, Oct 1, 2001	8.67	8.83	8.53	8.83
2357	NASDAQ	CRVL	Fri, Sep 28, 2001	8.70	8.77	8.70	8.77
2356	NASDAQ	CRVL	Thu, Sep 27, 2001	8.52	8.72	8.42	8.70
2355	NASDAQ	CRVL	Wed, Sep 26, 2001	8.39	8.60	8.29	8.51
2354	NASDAQ	CRVL	Tue, Sep 25, 2001	7.68	8.52	7.68	8.43
2353	NASDAQ	CRVL	Mon, Sep 24, 2001	8.08	8.33	7.98	8.33
2352	NASDAQ	CRVL	Fri, Sep 21, 2001	7.10	8.12	7.00	8.00
2351	NASDAQ	CRVL	Thu, Sep 20, 2001	7.33	7.98	7.20	7.82
2350	NASDAQ	CRVL	Wed, Sep 19, 2001	7.88	8.33	7.10	7.89
2349	NASDAQ	CRVL	Tue, Sep 18, 2001	7.99	8.03	7.78	7.78
2348	NASDAQ	CRVL	Mon, Sep 17, 2001	8.26	8.50	7.92	8.07
2347	NASDAQ	CRVL	Mon, Sep 10, 2001	8.33	8.83	8.18	8.45
2346	NASDAQ	CRVL	Fri, Sep 7, 2001	7.82	8.65	7.82	8.33
2345	NASDAQ	CRVL	Thu, Sep 6, 2001	8.53	8.53	7.81	7.82
2344	NASDAQ	CRVL	Wed, Sep 5, 2001	8.59	8.76	8.55	8.55
2343	NASDAQ	CRVL	Tue, Sep 4, 2001	8.76	8.76	8.40	8.53
2342	NASDAQ	CRVL	Fri, Aug 31, 2001	8.77	8.77	8.52	8.76
2341	NASDAQ	CRVL	Thu, Aug 30, 2001	8.80	8.80	8.64	8.67
2340	NASDAQ	CRVL	Wed, Aug 29, 2001	8.74	8.79	8.67	8.74
2339	NASDAQ	CRVL	Tue, Aug 28, 2001	8.72	8.79	8.68	8.72
2338	NASDAQ	CRVL	Mon, Aug 27, 2001	8.83	8.83	8.67	8.67
2337	NASDAQ	CRVL	Fri, Aug 24, 2001	8.72	8.83	8.72	8.83
2336	NASDAQ	CRVL	Thu, Aug 23, 2001	8.88	8.88	8.73	8.81
2335	NASDAQ	CRVL	Wed, Aug 22, 2001	8.89	8.90	8.78	8.87
2334	NASDAQ	CRVL	Tue, Aug 21, 2001	8.88	8.90	8.83	8.88
2333	NASDAQ	CRVL	Mon, Aug 20, 2001	8.89	8.89	8.78	8.87
2332	NASDAQ	CRVL	Fri, Aug 17, 2001	8.88	8.91	8.87	8.89
2331	NASDAQ	CRVL	Thu, Aug 16, 2001	8.90	8.90	8.80	8.88
2330	NASDAQ	CRVL	Wed, Aug 15, 2001	8.91	8.93	8.88	8.92
2329	NASDAQ	CRVL	Tue, Aug 14, 2001	8.92	8.94	8.89	8.93
2328	NASDAQ	CRVL	Mon, Aug 13, 2001	8.92	8.92	8.73	8.92
2327	NASDAQ	CRVL	Fri, Aug 10, 2001	8.76	8.86	8.59	8.59
2326	NASDAQ	CRVL	Thu, Aug 9, 2001	8.69	8.72	8.57	8.72
2325	NASDAQ	CRVL	Wed, Aug 8, 2001	8.72	8.72	8.36	8.64
2324	NASDAQ	CRVL	Tue, Aug 7, 2001	8.72	8.80	8.64	8.72
2323	NASDAQ	CRVL	Mon, Aug 6, 2001	8.56	8.66	8.45	8.59
2322	NASDAQ	CRVL	Fri, Aug 3, 2001	8.33	8.56	8.17	8.56
2321	NASDAQ	CRVL	Thu, Aug 2, 2001	8.36	8.41	8.17	8.33
2320	NASDAQ	CRVL	Wed, Aug 1, 2001	8.28	8.34	8.17	8.30
2319	NASDAQ	CRVL	Tue, Jul 31, 2001	8.33	8.34	8.19	8.28
2318	NASDAQ	CRVL	Mon, Jul 30, 2001	8.29	8.34	8.23	8.28
2317	NASDAQ	CRVL	Fri, Jul 27, 2001	8.17	8.33	8.17	8.33
2316	NASDAQ	CRVL	Thu, Jul 26, 2001	8.00	8.22	7.80	8.22
2315	NASDAQ	CRVL	Wed, Jul 25, 2001	8.13	8.28	8.01	8.17
2314	NASDAQ	CRVL	Tue, Jul 24, 2001	8.10	8.20	7.91	8.20
2313	NASDAQ	CRVL	Mon, Jul 23, 2001	7.90	8.30	7.90	8.22
2312	NASDAQ	CRVL	Fri, Jul 20, 2001	7.89	7.98	7.80	7.90
2311	NASDAQ	CRVL	Thu, Jul 19, 2001	8.00	8.02	7.69	8.00
2310	NASDAQ	CRVL	Wed, Jul 18, 2001	7.96	8.00	7.80	8.00
2309	NASDAQ	CRVL	Tue, Jul 17, 2001	7.78	8.00	7.78	8.00
2308	NASDAQ	CRVL	Mon, Jul 16, 2001	7.76	7.99	7.76	7.98
2307	NASDAQ	CRVL	Fri, Jul 13, 2001	7.96	7.99	7.76	7.92
2306	NASDAQ	CRVL	Thu, Jul 12, 2001	7.82	7.97	7.70	7.96
2305	NASDAQ	CRVL	Wed, Jul 11, 2001	7.61	7.78	7.55	7.78
2304	NASDAQ	CRVL	Tue, Jul 10, 2001	7.61	7.76	7.61	7.71
2303	NASDAQ	CRVL	Mon, Jul 9, 2001	7.72	7.78	7.61	7.67
2302	NASDAQ	CRVL	Fri, Jul 6, 2001	7.74	7.78	7.56	7.72
2301	NASDAQ	CRVL	Thu, Jul 5, 2001	7.67	7.85	7.61	7.78
2300	NASDAQ	CRVL	Tue, Jul 3, 2001	7.78	7.83	7.56	7.83
2299	NASDAQ	CRVL	Mon, Jul 2, 2001	8.26	8.28	7.69	7.70
2298	NASDAQ	CRVL	Fri, Jun 29, 2001	8.14	8.28	8.14	8.28
2297	NASDAQ	CRVL	Thu, Jun 28, 2001	7.94	8.13	7.91	8.13
2296	NASDAQ	CRVL	Wed, Jun 27, 2001	8.11	8.16	7.79	7.91
2295	NASDAQ	CRVL	Tue, Jun 26, 2001	8.28	8.28	8.00	8.13
2294	NASDAQ	CRVL	Mon, Jun 25, 2001	8.22	8.27	8.22	8.25
2293	NASDAQ	CRVL	Fri, Jun 22, 2001	8.20	8.20	8.00	8.14
2292	NASDAQ	CRVL	Thu, Jun 21, 2001	8.09	8.29	8.09	8.22
2291	NASDAQ	CRVL	Wed, Jun 20, 2001	8.02	8.20	8.00	8.11
2290	NASDAQ	CRVL	Tue, Jun 19, 2001	7.93	8.11	7.93	8.00
2289	NASDAQ	CRVL	Mon, Jun 18, 2001	7.99	8.00	7.99	8.00
2288	NASDAQ	CRVL	Fri, Jun 15, 2001	8.03	8.04	7.99	8.00
2287	NASDAQ	CRVL	Thu, Jun 14, 2001	8.00	8.04	7.98	8.02
2286	NASDAQ	CRVL	Wed, Jun 13, 2001	8.03	8.04	7.98	8.04
2285	NASDAQ	CRVL	Tue, Jun 12, 2001	8.03	8.08	8.03	8.07
2284	NASDAQ	CRVL	Mon, Jun 11, 2001	8.00	8.07	8.00	8.07
2283	NASDAQ	CRVL	Fri, Jun 8, 2001	8.02	8.02	8.00	8.02
2282	NASDAQ	CRVL	Thu, Jun 7, 2001	8.03	8.04	7.91	8.02
2281	NASDAQ	CRVL	Wed, Jun 6, 2001	8.12	8.14	8.02	8.03
2280	NASDAQ	CRVL	Tue, Jun 5, 2001	8.29	8.30	8.07	8.20
2279	NASDAQ	CRVL	Mon, Jun 4, 2001	8.10	8.28	8.01	8.28
2278	NASDAQ	CRVL	Fri, Jun 1, 2001	8.29	8.29	7.89	8.07
2277	NASDAQ	CRVL	Thu, May 31, 2001	8.22	8.22	7.96	7.96
2276	NASDAQ	CRVL	Wed, May 30, 2001	8.18	8.21	8.10	8.16
2275	NASDAQ	CRVL	Tue, May 29, 2001	8.18	8.34	8.18	8.31
2274	NASDAQ	CRVL	Fri, May 25, 2001	8.28	8.34	8.28	8.34
2273	NASDAQ	CRVL	Thu, May 24, 2001	8.17	8.21	8.11	8.21
2272	NASDAQ	CRVL	Wed, May 23, 2001	8.12	8.24	8.11	8.24
2271	NASDAQ	CRVL	Tue, May 22, 2001	8.31	8.31	8.13	8.23
2270	NASDAQ	CRVL	Mon, May 21, 2001	8.18	8.34	8.14	8.34
2269	NASDAQ	CRVL	Fri, May 18, 2001	8.18	8.29	8.18	8.28
2268	NASDAQ	CRVL	Thu, May 17, 2001	8.33	8.34	7.90	8.29
2267	NASDAQ	CRVL	Wed, May 16, 2001	8.12	8.33	8.12	8.28
2266	NASDAQ	CRVL	Tue, May 15, 2001	8.46	8.46	8.23	8.33
2265	NASDAQ	CRVL	Mon, May 14, 2001	8.25	8.46	8.20	8.46
2264	NASDAQ	CRVL	Fri, May 11, 2001	8.12	8.40	7.96	8.39
2263	NASDAQ	CRVL	Thu, May 10, 2001	8.04	8.12	8.00	8.07
2262	NASDAQ	CRVL	Wed, May 9, 2001	7.96	8.04	7.96	8.04
2261	NASDAQ	CRVL	Tue, May 8, 2001	8.06	8.06	7.99	8.04
2260	NASDAQ	CRVL	Mon, May 7, 2001	8.10	8.10	8.06	8.06
2259	NASDAQ	CRVL	Fri, May 4, 2001	8.07	8.09	8.00	8.08
2258	NASDAQ	CRVL	Thu, May 3, 2001	8.07	8.07	7.96	8.07
2257	NASDAQ	CRVL	Wed, May 2, 2001	8.12	8.12	7.96	8.07
2256	NASDAQ	CRVL	Tue, May 1, 2001	8.03	8.12	8.00	8.12
2255	NASDAQ	CRVL	Mon, Apr 30, 2001	8.11	8.11	8.01	8.10
2254	NASDAQ	CRVL	Fri, Apr 27, 2001	8.06	8.11	8.06	8.10
2253	NASDAQ	CRVL	Thu, Apr 26, 2001	8.12	8.12	7.97	8.08
2252	NASDAQ	CRVL	Wed, Apr 25, 2001	8.07	8.11	8.02	8.02
2251	NASDAQ	CRVL	Tue, Apr 24, 2001	8.12	8.12	8.07	8.07
2250	NASDAQ	CRVL	Mon, Apr 23, 2001	8.12	8.17	8.11	8.13
2249	NASDAQ	CRVL	Fri, Apr 20, 2001	7.94	8.13	7.94	8.10
2248	NASDAQ	CRVL	Thu, Apr 19, 2001	8.00	8.08	7.88	8.08
2247	NASDAQ	CRVL	Wed, Apr 18, 2001	8.02	8.04	7.33	8.00
2246	NASDAQ	CRVL	Tue, Apr 17, 2001	8.13	8.17	7.94	8.12
2245	NASDAQ	CRVL	Mon, Apr 16, 2001	8.09	8.15	8.09	8.12
2244	NASDAQ	CRVL	Thu, Apr 12, 2001	8.12	8.12	8.04	8.10
2243	NASDAQ	CRVL	Wed, Apr 11, 2001	8.11	8.13	8.06	8.13
2242	NASDAQ	CRVL	Tue, Apr 10, 2001	8.14	8.14	8.11	8.12
2241	NASDAQ	CRVL	Mon, Apr 9, 2001	8.00	8.11	8.00	8.09
2240	NASDAQ	CRVL	Fri, Apr 6, 2001	7.89	8.00	7.83	8.00
2239	NASDAQ	CRVL	Thu, Apr 5, 2001	8.00	8.14	7.81	7.90
2238	NASDAQ	CRVL	Wed, Apr 4, 2001	7.78	8.00	7.78	8.00
2237	NASDAQ	CRVL	Tue, Apr 3, 2001	7.81	7.89	7.81	7.89
2236	NASDAQ	CRVL	Mon, Apr 2, 2001	7.83	7.89	7.81	7.89
2235	NASDAQ	CRVL	Fri, Mar 30, 2001	7.78	7.89	7.78	7.86
2234	NASDAQ	CRVL	Thu, Mar 29, 2001	7.89	7.92	7.72	7.78
2233	NASDAQ	CRVL	Wed, Mar 28, 2001	7.61	7.89	7.56	7.89
2232	NASDAQ	CRVL	Tue, Mar 27, 2001	7.74	7.75	7.56	7.75
2231	NASDAQ	CRVL	Mon, Mar 26, 2001	7.67	7.81	7.54	7.72
2230	NASDAQ	CRVL	Fri, Mar 23, 2001	7.82	7.86	7.64	7.86
2229	NASDAQ	CRVL	Thu, Mar 22, 2001	7.86	7.86	7.00	7.75
2228	NASDAQ	CRVL	Wed, Mar 21, 2001	7.94	8.00	7.85	7.85
2227	NASDAQ	CRVL	Tue, Mar 20, 2001	8.00	8.10	7.89	8.04
2226	NASDAQ	CRVL	Mon, Mar 19, 2001	8.00	8.00	7.96	8.00
2225	NASDAQ	CRVL	Fri, Mar 16, 2001	8.03	8.11	7.96	7.96
2224	NASDAQ	CRVL	Thu, Mar 15, 2001	8.03	8.11	7.89	8.08
2223	NASDAQ	CRVL	Wed, Mar 14, 2001	7.86	8.00	7.86	7.92
2222	NASDAQ	CRVL	Tue, Mar 13, 2001	7.68	8.00	7.61	7.97
2221	NASDAQ	CRVL	Mon, Mar 12, 2001	7.92	8.06	7.72	7.72
2220	NASDAQ	CRVL	Fri, Mar 9, 2001	8.03	8.03	7.88	7.96
2219	NASDAQ	CRVL	Thu, Mar 8, 2001	8.08	8.10	8.08	8.10
2218	NASDAQ	CRVL	Wed, Mar 7, 2001	8.10	8.11	8.10	8.10
2217	NASDAQ	CRVL	Tue, Mar 6, 2001	8.06	8.11	8.00	8.11
2216	NASDAQ	CRVL	Mon, Mar 5, 2001	8.02	8.07	7.89	8.07
2215	NASDAQ	CRVL	Fri, Mar 2, 2001	7.83	8.03	7.83	8.03
2214	NASDAQ	CRVL	Thu, Mar 1, 2001	7.96	8.14	7.78	8.14
2213	NASDAQ	CRVL	Wed, Feb 28, 2001	7.95	8.01	7.83	7.89
2212	NASDAQ	CRVL	Tue, Feb 27, 2001	8.14	8.14	7.81	7.89
2211	NASDAQ	CRVL	Mon, Feb 26, 2001	7.94	8.05	7.89	8.05
2210	NASDAQ	CRVL	Fri, Feb 23, 2001	8.05	8.08	7.89	8.08
2209	NASDAQ	CRVL	Thu, Feb 22, 2001	7.96	8.13	7.96	8.13
2208	NASDAQ	CRVL	Wed, Feb 21, 2001	8.21	8.21	7.97	8.06
2207	NASDAQ	CRVL	Tue, Feb 20, 2001	8.08	8.28	8.08	8.28
2206	NASDAQ	CRVL	Fri, Feb 16, 2001	7.99	8.17	7.99	8.17
2205	NASDAQ	CRVL	Thu, Feb 15, 2001	8.14	8.15	7.94	8.13
2204	NASDAQ	CRVL	Wed, Feb 14, 2001	8.06	8.15	8.06	8.13
2203	NASDAQ	CRVL	Tue, Feb 13, 2001	8.15	8.17	8.01	8.08
2202	NASDAQ	CRVL	Mon, Feb 12, 2001	8.08	8.15	8.08	8.15
2201	NASDAQ	CRVL	Fri, Feb 9, 2001	8.04	8.10	8.03	8.07
2200	NASDAQ	CRVL	Thu, Feb 8, 2001	8.15	8.22	8.06	8.08
2199	NASDAQ	CRVL	Wed, Feb 7, 2001	8.04	8.14	8.04	8.14
2198	NASDAQ	CRVL	Tue, Feb 6, 2001	7.97	8.13	7.83	7.83
2197	NASDAQ	CRVL	Mon, Feb 5, 2001	8.07	8.19	8.03	8.09
2196	NASDAQ	CRVL	Fri, Feb 2, 2001	8.13	8.13	7.97	8.07
2195	NASDAQ	CRVL	Thu, Feb 1, 2001	7.75	8.11	7.75	8.11
2194	NASDAQ	CRVL	Wed, Jan 31, 2001	8.11	8.11	7.86	7.86
2193	NASDAQ	CRVL	Tue, Jan 30, 2001	8.01	8.09	7.99	8.07
2192	NASDAQ	CRVL	Mon, Jan 29, 2001	8.06	8.11	8.06	8.06
2191	NASDAQ	CRVL	Fri, Jan 26, 2001	7.96	8.08	7.36	8.08
2190	NASDAQ	CRVL	Thu, Jan 25, 2001	8.00	8.06	7.89	8.00
2189	NASDAQ	CRVL	Wed, Jan 24, 2001	8.11	8.13	7.96	8.07
2188	NASDAQ	CRVL	Tue, Jan 23, 2001	8.15	8.22	8.10	8.10
2187	NASDAQ	CRVL	Mon, Jan 22, 2001	8.11	8.19	7.99	8.19
2186	NASDAQ	CRVL	Fri, Jan 19, 2001	8.11	8.24	8.11	8.21
2185	NASDAQ	CRVL	Thu, Jan 18, 2001	8.15	8.22	8.11	8.22
2184	NASDAQ	CRVL	Wed, Jan 17, 2001	8.11	8.28	8.00	8.17
2183	NASDAQ	CRVL	Tue, Jan 16, 2001	7.69	8.22	7.69	8.21
2182	NASDAQ	CRVL	Fri, Jan 12, 2001	7.33	7.89	7.33	7.75
2181	NASDAQ	CRVL	Thu, Jan 11, 2001	7.33	7.44	7.31	7.43
2180	NASDAQ	CRVL	Wed, Jan 10, 2001	7.17	7.44	7.17	7.33
2179	NASDAQ	CRVL	Tue, Jan 9, 2001	7.35	7.38	7.11	7.18
2178	NASDAQ	CRVL	Mon, Jan 8, 2001	7.25	7.40	7.25	7.34
2177	NASDAQ	CRVL	Fri, Jan 5, 2001	7.33	7.36	7.25	7.25
2176	NASDAQ	CRVL	Thu, Jan 4, 2001	7.50	7.56	7.35	7.44
2175	NASDAQ	CRVL	Wed, Jan 3, 2001	7.31	7.56	7.29	7.43
2174	NASDAQ	CRVL	Tue, Jan 2, 2001	7.67	7.69	7.50	7.56
2173	NASDAQ	CRVL	Fri, Dec 29, 2000	7.61	7.69	7.58	7.69
2172	NASDAQ	CRVL	Thu, Dec 28, 2000	7.61	7.72	7.42	7.61
2171	NASDAQ	CRVL	Wed, Dec 27, 2000	7.75	7.81	7.63	7.72
2170	NASDAQ	CRVL	Tue, Dec 26, 2000	7.61	7.79	7.43	7.78
2169	NASDAQ	CRVL	Fri, Dec 22, 2000	7.75	8.42	7.58	7.64
2168	NASDAQ	CRVL	Thu, Dec 21, 2000	7.75	7.81	7.63	7.81
2167	NASDAQ	CRVL	Wed, Dec 20, 2000	7.62	7.74	7.58	7.74
2166	NASDAQ	CRVL	Tue, Dec 19, 2000	7.57	7.76	7.57	7.75
2165	NASDAQ	CRVL	Mon, Dec 18, 2000	7.35	7.57	7.20	7.57
2164	NASDAQ	CRVL	Fri, Dec 15, 2000	7.26	7.33	7.18	7.33
2163	NASDAQ	CRVL	Thu, Dec 14, 2000	7.46	7.51	7.19	7.19
2162	NASDAQ	CRVL	Wed, Dec 13, 2000	7.64	7.69	7.29	7.39
2161	NASDAQ	CRVL	Tue, Dec 12, 2000	7.86	7.92	7.61	7.61
2160	NASDAQ	CRVL	Mon, Dec 11, 2000	7.97	8.03	7.88	8.03
2159	NASDAQ	CRVL	Fri, Dec 8, 2000	7.86	8.07	7.86	8.00
2158	NASDAQ	CRVL	Thu, Dec 7, 2000	7.60	7.94	7.54	7.94
2157	NASDAQ	CRVL	Wed, Dec 6, 2000	7.53	7.72	7.53	7.56
2156	NASDAQ	CRVL	Tue, Dec 5, 2000	7.00	7.50	7.00	7.50
2155	NASDAQ	CRVL	Mon, Dec 4, 2000	7.03	7.17	6.93	7.00
2154	NASDAQ	CRVL	Fri, Dec 1, 2000	7.11	7.14	7.00	7.14
2153	NASDAQ	CRVL	Thu, Nov 30, 2000	7.11	7.19	7.06	7.11
2152	NASDAQ	CRVL	Wed, Nov 29, 2000	7.11	7.31	7.03	7.14
2151	NASDAQ	CRVL	Tue, Nov 28, 2000	7.08	7.14	7.01	7.11
2150	NASDAQ	CRVL	Mon, Nov 27, 2000	7.14	7.14	6.89	7.11
2149	NASDAQ	CRVL	Fri, Nov 24, 2000	7.17	7.17	7.10	7.14
2148	NASDAQ	CRVL	Wed, Nov 22, 2000	7.24	7.24	7.11	7.11
2147	NASDAQ	CRVL	Tue, Nov 21, 2000	7.11	7.28	7.11	7.28
2146	NASDAQ	CRVL	Mon, Nov 20, 2000	6.83	7.10	6.83	7.10
2145	NASDAQ	CRVL	Fri, Nov 17, 2000	6.86	6.86	6.86	6.86
2144	NASDAQ	CRVL	Thu, Nov 16, 2000	6.68	6.86	6.67	6.83
2143	NASDAQ	CRVL	Wed, Nov 15, 2000	6.85	6.89	6.67	6.67
2142	NASDAQ	CRVL	Tue, Nov 14, 2000	6.81	6.89	6.76	6.89
2141	NASDAQ	CRVL	Mon, Nov 13, 2000	6.25	6.97	6.15	6.97
2140	NASDAQ	CRVL	Fri, Nov 10, 2000	6.36	6.36	6.28	6.33
2139	NASDAQ	CRVL	Thu, Nov 9, 2000	6.56	6.56	6.13	6.40
2138	NASDAQ	CRVL	Wed, Nov 8, 2000	7.03	7.03	6.44	6.54
2137	NASDAQ	CRVL	Tue, Nov 7, 2000	7.11	7.14	7.00	7.03
2136	NASDAQ	CRVL	Mon, Nov 6, 2000	7.15	7.17	6.96	7.11
2135	NASDAQ	CRVL	Fri, Nov 3, 2000	7.28	7.31	7.11	7.14
2134	NASDAQ	CRVL	Thu, Nov 2, 2000	7.39	7.44	7.22	7.31
2133	NASDAQ	CRVL	Wed, Nov 1, 2000	6.94	7.44	6.89	7.39
2132	NASDAQ	CRVL	Tue, Oct 31, 2000	6.88	7.04	6.88	7.04
2131	NASDAQ	CRVL	Mon, Oct 30, 2000	6.88	6.89	6.68	6.86
2130	NASDAQ	CRVL	Fri, Oct 27, 2000	6.86	6.88	6.81	6.86
2129	NASDAQ	CRVL	Thu, Oct 26, 2000	6.86	6.86	6.74	6.86
2128	NASDAQ	CRVL	Wed, Oct 25, 2000	6.78	6.92	6.58	6.89
2127	NASDAQ	CRVL	Tue, Oct 24, 2000	6.69	6.92	6.68	6.75
2126	NASDAQ	CRVL	Mon, Oct 23, 2000	6.65	6.78	6.65	6.78
2125	NASDAQ	CRVL	Fri, Oct 20, 2000	6.88	6.88	6.64	6.75
2124	NASDAQ	CRVL	Thu, Oct 19, 2000	6.44	6.94	6.44	6.88
2123	NASDAQ	CRVL	Wed, Oct 18, 2000	6.36	6.46	5.94	6.46
2122	NASDAQ	CRVL	Tue, Oct 17, 2000	6.01	6.64	6.00	6.44
2121	NASDAQ	CRVL	Mon, Oct 16, 2000	6.01	6.01	5.93	5.99
2120	NASDAQ	CRVL	Fri, Oct 13, 2000	5.92	6.03	5.92	6.00
2119	NASDAQ	CRVL	Thu, Oct 12, 2000	5.78	6.03	5.67	5.97
2118	NASDAQ	CRVL	Wed, Oct 11, 2000	6.00	6.01	5.81	5.86
2117	NASDAQ	CRVL	Tue, Oct 10, 2000	6.19	6.24	5.97	6.07
2116	NASDAQ	CRVL	Mon, Oct 9, 2000	6.42	6.42	6.19	6.22
2115	NASDAQ	CRVL	Fri, Oct 6, 2000	6.28	6.33	6.08	6.33
2114	NASDAQ	CRVL	Thu, Oct 5, 2000	6.26	6.36	6.22	6.33
2113	NASDAQ	CRVL	Wed, Oct 4, 2000	6.28	6.28	5.97	6.22
2112	NASDAQ	CRVL	Tue, Oct 3, 2000	6.31	6.42	6.24	6.31
2111	NASDAQ	CRVL	Mon, Oct 2, 2000	6.25	6.28	6.22	6.26
2110	NASDAQ	CRVL	Fri, Sep 29, 2000	6.24	6.28	6.17	6.18
2109	NASDAQ	CRVL	Thu, Sep 28, 2000	6.13	6.24	6.13	6.18
2108	NASDAQ	CRVL	Wed, Sep 27, 2000	6.01	6.25	6.00	6.13
2107	NASDAQ	CRVL	Tue, Sep 26, 2000	5.94	6.11	5.94	6.00
2106	NASDAQ	CRVL	Mon, Sep 25, 2000	6.00	6.01	6.00	6.01
2105	NASDAQ	CRVL	Fri, Sep 22, 2000	5.97	6.01	5.94	6.01
2104	NASDAQ	CRVL	Thu, Sep 21, 2000	6.01	6.06	6.00	6.00
2103	NASDAQ	CRVL	Wed, Sep 20, 2000	5.99	6.03	5.96	6.01
2102	NASDAQ	CRVL	Tue, Sep 19, 2000	5.75	6.01	5.63	6.00
2101	NASDAQ	CRVL	Mon, Sep 18, 2000	5.86	5.93	5.72	5.82
2100	NASDAQ	CRVL	Fri, Sep 15, 2000	5.83	5.92	5.75	5.90
2099	NASDAQ	CRVL	Thu, Sep 14, 2000	5.83	5.89	5.81	5.86
2098	NASDAQ	CRVL	Wed, Sep 13, 2000	5.67	5.90	5.57	5.90
2097	NASDAQ	CRVL	Tue, Sep 12, 2000	5.71	5.71	5.71	5.71
2096	NASDAQ	CRVL	Mon, Sep 11, 2000	5.96	5.96	5.72	5.89
2095	NASDAQ	CRVL	Fri, Sep 8, 2000	6.00	6.00	5.89	5.96
2094	NASDAQ	CRVL	Thu, Sep 7, 2000	5.94	6.03	5.75	6.03
2093	NASDAQ	CRVL	Wed, Sep 6, 2000	6.06	6.11	5.99	6.11
2092	NASDAQ	CRVL	Tue, Sep 5, 2000	6.10	6.10	6.07	6.10
2091	NASDAQ	CRVL	Fri, Sep 1, 2000	5.97	6.11	5.94	6.11
2090	NASDAQ	CRVL	Thu, Aug 31, 2000	6.07	6.13	6.00	6.00
2089	NASDAQ	CRVL	Wed, Aug 30, 2000	6.01	6.13	6.01	6.08
2088	NASDAQ	CRVL	Tue, Aug 29, 2000	6.07	6.14	6.01	6.14
2087	NASDAQ	CRVL	Mon, Aug 28, 2000	6.03	6.08	5.97	6.03
2086	NASDAQ	CRVL	Fri, Aug 25, 2000	6.03	6.06	5.94	5.94
2085	NASDAQ	CRVL	Thu, Aug 24, 2000	5.99	6.03	5.99	6.03
2084	NASDAQ	CRVL	Wed, Aug 23, 2000	6.02	6.06	5.97	6.00
2083	NASDAQ	CRVL	Tue, Aug 22, 2000	5.97	6.07	5.97	6.04
2082	NASDAQ	CRVL	Mon, Aug 21, 2000	5.98	6.17	5.89	6.08
2081	NASDAQ	CRVL	Fri, Aug 18, 2000	6.25	6.25	5.89	6.00
2080	NASDAQ	CRVL	Thu, Aug 17, 2000	6.06	6.19	6.06	6.19
2079	NASDAQ	CRVL	Wed, Aug 16, 2000	6.17	6.17	6.14	6.17
2078	NASDAQ	CRVL	Tue, Aug 15, 2000	6.06	6.19	6.06	6.11
2077	NASDAQ	CRVL	Mon, Aug 14, 2000	6.07	6.11	6.06	6.11
2076	NASDAQ	CRVL	Fri, Aug 11, 2000	6.06	6.22	6.06	6.08
2075	NASDAQ	CRVL	Thu, Aug 10, 2000	6.06	6.11	6.00	6.10
2074	NASDAQ	CRVL	Wed, Aug 9, 2000	6.08	6.14	6.06	6.14
2073	NASDAQ	CRVL	Tue, Aug 8, 2000	6.06	6.19	6.06	6.19
2072	NASDAQ	CRVL	Mon, Aug 7, 2000	6.19	6.22	6.06	6.19
2071	NASDAQ	CRVL	Fri, Aug 4, 2000	6.03	6.19	5.97	6.19
2070	NASDAQ	CRVL	Thu, Aug 3, 2000	6.03	6.13	6.03	6.11
2069	NASDAQ	CRVL	Wed, Aug 2, 2000	6.19	6.19	6.07	6.19
2068	NASDAQ	CRVL	Tue, Aug 1, 2000	6.11	6.19	6.08	6.18
2067	NASDAQ	CRVL	Mon, Jul 31, 2000	6.00	6.11	5.97	6.11
2066	NASDAQ	CRVL	Fri, Jul 28, 2000	6.04	6.17	6.00	6.17
2065	NASDAQ	CRVL	Thu, Jul 27, 2000	6.22	6.22	6.17	6.17
2064	NASDAQ	CRVL	Wed, Jul 26, 2000	6.10	6.22	6.10	6.22
2063	NASDAQ	CRVL	Tue, Jul 25, 2000	6.11	6.12	5.92	6.12
2062	NASDAQ	CRVL	Mon, Jul 24, 2000	6.36	6.38	6.06	6.08
2061	NASDAQ	CRVL	Fri, Jul 21, 2000	6.40	6.42	6.32	6.35
2060	NASDAQ	CRVL	Thu, Jul 20, 2000	6.44	6.44	6.38	6.38
2059	NASDAQ	CRVL	Wed, Jul 19, 2000	6.51	6.51	6.33	6.39
2058	NASDAQ	CRVL	Tue, Jul 18, 2000	6.47	6.54	6.47	6.50
2057	NASDAQ	CRVL	Mon, Jul 17, 2000	6.50	6.56	6.47	6.56
2056	NASDAQ	CRVL	Fri, Jul 14, 2000	6.47	6.53	6.22	6.50
2055	NASDAQ	CRVL	Thu, Jul 13, 2000	6.50	6.50	6.43	6.49
2054	NASDAQ	CRVL	Wed, Jul 12, 2000	6.25	6.50	6.17	6.44
2053	NASDAQ	CRVL	Tue, Jul 11, 2000	6.06	6.32	6.06	6.32
2052	NASDAQ	CRVL	Mon, Jul 10, 2000	6.14	6.14	5.94	6.11
2051	NASDAQ	CRVL	Fri, Jul 7, 2000	6.07	6.22	6.00	6.17
2050	NASDAQ	CRVL	Thu, Jul 6, 2000	6.13	6.19	6.03	6.07
2049	NASDAQ	CRVL	Wed, Jul 5, 2000	5.78	6.14	5.78	6.14
2048	NASDAQ	CRVL	Mon, Jul 3, 2000	6.00	6.22	5.78	5.83
2047	NASDAQ	CRVL	Fri, Jun 30, 2000	6.17	6.53	5.35	5.49
2046	NASDAQ	CRVL	Thu, Jun 29, 2000	6.22	6.24	6.14	6.17
2045	NASDAQ	CRVL	Wed, Jun 28, 2000	6.22	6.24	6.19	6.22
2044	NASDAQ	CRVL	Tue, Jun 27, 2000	6.18	6.39	6.14	6.22
2043	NASDAQ	CRVL	Mon, Jun 26, 2000	6.01	6.19	6.01	6.18
2042	NASDAQ	CRVL	Fri, Jun 23, 2000	5.96	6.11	5.96	6.08
2041	NASDAQ	CRVL	Thu, Jun 22, 2000	6.12	6.12	5.96	6.04
2040	NASDAQ	CRVL	Wed, Jun 21, 2000	6.07	6.17	6.03	6.17
2039	NASDAQ	CRVL	Tue, Jun 20, 2000	6.07	6.14	6.07	6.08
2038	NASDAQ	CRVL	Mon, Jun 19, 2000	6.11	6.13	6.06	6.11
2037	NASDAQ	CRVL	Fri, Jun 16, 2000	6.14	6.17	6.11	6.15
2036	NASDAQ	CRVL	Thu, Jun 15, 2000	6.11	6.14	6.10	6.14
2035	NASDAQ	CRVL	Wed, Jun 14, 2000	6.14	6.14	6.08	6.11
2034	NASDAQ	CRVL	Tue, Jun 13, 2000	6.11	6.13	6.10	6.10
2033	NASDAQ	CRVL	Mon, Jun 12, 2000	6.14	6.14	6.10	6.10
2032	NASDAQ	CRVL	Fri, Jun 9, 2000	6.17	6.17	6.11	6.13
2031	NASDAQ	CRVL	Thu, Jun 8, 2000	6.03	6.17	6.03	6.17
2030	NASDAQ	CRVL	Wed, Jun 7, 2000	6.17	6.17	6.14	6.14
2029	NASDAQ	CRVL	Tue, Jun 6, 2000	6.14	6.17	6.14	6.14
2028	NASDAQ	CRVL	Mon, Jun 5, 2000	6.17	6.17	6.14	6.17
2027	NASDAQ	CRVL	Fri, Jun 2, 2000	6.11	6.19	6.06	6.18
2026	NASDAQ	CRVL	Thu, Jun 1, 2000	6.00	6.06	6.00	6.06
2025	NASDAQ	CRVL	Wed, May 31, 2000	6.07	6.13	6.00	6.03
2024	NASDAQ	CRVL	Tue, May 30, 2000	6.10	6.22	5.98	6.04
2023	NASDAQ	CRVL	Fri, May 26, 2000	6.15	6.15	5.81	6.10
2022	NASDAQ	CRVL	Thu, May 25, 2000	6.15	6.15	6.03	6.06
2021	NASDAQ	CRVL	Wed, May 24, 2000	6.11	6.11	6.11	6.11
2020	NASDAQ	CRVL	Tue, May 23, 2000	6.11	6.11	6.11	6.11
2019	NASDAQ	CRVL	Mon, May 22, 2000	6.00	6.11	5.81	6.04
2018	NASDAQ	CRVL	Fri, May 19, 2000	6.19	6.22	5.86	6.00
2017	NASDAQ	CRVL	Thu, May 18, 2000	6.08	6.19	5.94	6.19
2016	NASDAQ	CRVL	Wed, May 17, 2000	6.17	6.25	6.08	6.08
2015	NASDAQ	CRVL	Tue, May 16, 2000	6.22	6.33	6.22	6.28
2014	NASDAQ	CRVL	Mon, May 15, 2000	6.46	6.46	5.78	6.21
2013	NASDAQ	CRVL	Fri, May 12, 2000	6.11	6.60	6.11	6.54
2012	NASDAQ	CRVL	Thu, May 11, 2000	6.06	6.14	6.03	6.14
2011	NASDAQ	CRVL	Wed, May 10, 2000	5.97	6.03	5.93	6.03
2010	NASDAQ	CRVL	Tue, May 9, 2000	6.03	6.03	5.97	6.03
2009	NASDAQ	CRVL	Mon, May 8, 2000	5.83	6.03	5.83	6.03
2008	NASDAQ	CRVL	Fri, May 5, 2000	6.00	6.03	5.94	6.03
2007	NASDAQ	CRVL	Thu, May 4, 2000	5.39	5.94	5.39	5.94
2006	NASDAQ	CRVL	Wed, May 3, 2000	5.16	5.50	5.15	5.33
2005	NASDAQ	CRVL	Tue, May 2, 2000	5.72	5.89	5.06	5.19
2004	NASDAQ	CRVL	Mon, May 1, 2000	6.03	6.22	5.44	5.72
2003	NASDAQ	CRVL	Fri, Apr 28, 2000	6.00	6.03	6.00	6.03
2002	NASDAQ	CRVL	Thu, Apr 27, 2000	6.03	6.03	6.00	6.03
2001	NASDAQ	CRVL	Wed, Apr 26, 2000	6.00	6.03	6.00	6.03
2000	NASDAQ	CRVL	Tue, Apr 25, 2000	5.92	6.03	5.89	6.03
1999	NASDAQ	CRVL	Mon, Apr 24, 2000	5.44	5.92	5.44	5.92
1998	NASDAQ	CRVL	Thu, Apr 20, 2000	6.00	6.03	5.33	5.42
1997	NASDAQ	CRVL	Wed, Apr 19, 2000	5.81	6.00	5.81	6.00
1996	NASDAQ	CRVL	Tue, Apr 18, 2000	5.89	5.89	5.78	5.89
1995	NASDAQ	CRVL	Mon, Apr 17, 2000	5.81	6.07	5.81	5.89
1994	NASDAQ	CRVL	Fri, Apr 14, 2000	5.89	6.00	5.56	5.86
1993	NASDAQ	CRVL	Thu, Apr 13, 2000	5.89	6.06	5.89	6.00
1992	NASDAQ	CRVL	Wed, Apr 12, 2000	5.92	5.97	5.89	5.97
1991	NASDAQ	CRVL	Tue, Apr 11, 2000	5.89	5.93	5.78	5.89
1990	NASDAQ	CRVL	Mon, Apr 10, 2000	5.92	5.97	5.92	5.94
1989	NASDAQ	CRVL	Fri, Apr 7, 2000	5.97	6.03	5.96	5.99
1988	NASDAQ	CRVL	Thu, Apr 6, 2000	5.88	6.17	5.88	5.94
1987	NASDAQ	CRVL	Wed, Apr 5, 2000	5.75	5.88	5.75	5.88
1986	NASDAQ	CRVL	Tue, Apr 4, 2000	5.75	5.78	5.75	5.78
1985	NASDAQ	CRVL	Mon, Apr 3, 2000	5.61	5.83	5.56	5.82
1984	NASDAQ	CRVL	Fri, Mar 31, 2000	5.72	5.94	5.64	5.78
1983	NASDAQ	CRVL	Thu, Mar 30, 2000	5.69	5.69	5.64	5.69
1982	NASDAQ	CRVL	Wed, Mar 29, 2000	5.69	5.72	5.69	5.69
1981	NASDAQ	CRVL	Tue, Mar 28, 2000	5.50	5.69	5.50	5.69
1980	NASDAQ	CRVL	Mon, Mar 27, 2000	5.59	5.67	5.50	5.67
1979	NASDAQ	CRVL	Fri, Mar 24, 2000	5.56	5.63	5.56	5.56
1978	NASDAQ	CRVL	Thu, Mar 23, 2000	5.67	5.67	5.56	5.61
1977	NASDAQ	CRVL	Wed, Mar 22, 2000	5.65	5.71	5.61	5.67
1976	NASDAQ	CRVL	Tue, Mar 21, 2000	5.58	5.75	5.58	5.75
1975	NASDAQ	CRVL	Mon, Mar 20, 2000	5.47	5.67	5.47	5.65
1974	NASDAQ	CRVL	Fri, Mar 17, 2000	5.47	5.50	5.33	5.47
1973	NASDAQ	CRVL	Thu, Mar 16, 2000	5.47	5.53	5.39	5.47
1972	NASDAQ	CRVL	Wed, Mar 15, 2000	5.58	5.58	5.50	5.53
1971	NASDAQ	CRVL	Tue, Mar 14, 2000	5.60	5.67	5.57	5.57
1970	NASDAQ	CRVL	Mon, Mar 13, 2000	5.57	5.69	5.57	5.67
1969	NASDAQ	CRVL	Fri, Mar 10, 2000	5.39	5.53	5.39	5.53
1968	NASDAQ	CRVL	Thu, Mar 9, 2000	5.31	5.50	5.31	5.44
1967	NASDAQ	CRVL	Wed, Mar 8, 2000	5.25	5.47	5.24	5.42
1966	NASDAQ	CRVL	Tue, Mar 7, 2000	5.50	5.50	5.21	5.25
1965	NASDAQ	CRVL	Mon, Mar 6, 2000	5.54	5.54	5.35	5.39
1964	NASDAQ	CRVL	Fri, Mar 3, 2000	4.97	5.53	4.97	5.53
1963	NASDAQ	CRVL	Thu, Mar 2, 2000	5.40	5.43	4.75	4.76
1962	NASDAQ	CRVL	Wed, Mar 1, 2000	5.53	5.58	5.38	5.47
1961	NASDAQ	CRVL	Tue, Feb 29, 2000	5.58	5.58	5.58	5.58
1960	NASDAQ	CRVL	Mon, Feb 28, 2000	5.53	5.58	5.51	5.58
1959	NASDAQ	CRVL	Fri, Feb 25, 2000	5.58	5.58	5.58	5.58
1958	NASDAQ	CRVL	Thu, Feb 24, 2000	5.67	5.69	5.44	5.58
1957	NASDAQ	CRVL	Wed, Feb 23, 2000	5.57	5.67	5.47	5.67
1956	NASDAQ	CRVL	Tue, Feb 22, 2000	5.74	5.74	5.58	5.58
1955	NASDAQ	CRVL	Fri, Feb 18, 2000	5.69	5.78	5.69	5.72
1954	NASDAQ	CRVL	Thu, Feb 17, 2000	5.75	5.83	5.75	5.75
1953	NASDAQ	CRVL	Wed, Feb 16, 2000	6.21	6.21	5.76	5.78
1952	NASDAQ	CRVL	Tue, Feb 15, 2000	6.08	6.44	5.86	6.11
1951	NASDAQ	CRVL	Mon, Feb 14, 2000	5.67	5.74	5.53	5.72
1950	NASDAQ	CRVL	Fri, Feb 11, 2000	5.65	5.72	5.64	5.72
1949	NASDAQ	CRVL	Thu, Feb 10, 2000	5.67	5.67	5.61	5.61
1948	NASDAQ	CRVL	Wed, Feb 9, 2000	5.54	6.25	5.54	5.61
1947	NASDAQ	CRVL	Tue, Feb 8, 2000	5.51	5.53	5.50	5.53
1946	NASDAQ	CRVL	Mon, Feb 7, 2000	5.47	5.53	5.46	5.46
1945	NASDAQ	CRVL	Fri, Feb 4, 2000	5.49	5.49	5.33	5.47
1944	NASDAQ	CRVL	Thu, Feb 3, 2000	5.50	5.53	5.47	5.47
1943	NASDAQ	CRVL	Wed, Feb 2, 2000	5.40	5.50	5.40	5.49
1942	NASDAQ	CRVL	Tue, Feb 1, 2000	5.44	5.53	5.44	5.47
1941	NASDAQ	CRVL	Mon, Jan 31, 2000	5.54	5.56	5.39	5.44
1940	NASDAQ	CRVL	Fri, Jan 28, 2000	5.49	5.56	5.49	5.51
1939	NASDAQ	CRVL	Thu, Jan 27, 2000	5.46	5.50	5.44	5.50
1938	NASDAQ	CRVL	Wed, Jan 26, 2000	5.42	5.47	5.36	5.44
1937	NASDAQ	CRVL	Tue, Jan 25, 2000	5.46	5.46	5.33	5.42
1936	NASDAQ	CRVL	Mon, Jan 24, 2000	5.32	5.46	5.32	5.44
1935	NASDAQ	CRVL	Fri, Jan 21, 2000	5.22	5.50	5.22	5.50
1934	NASDAQ	CRVL	Thu, Jan 20, 2000	5.42	5.44	5.28	5.44
1933	NASDAQ	CRVL	Wed, Jan 19, 2000	5.35	5.44	5.33	5.43
1932	NASDAQ	CRVL	Tue, Jan 18, 2000	5.08	5.33	5.08	5.33
1931	NASDAQ	CRVL	Fri, Jan 14, 2000	5.29	5.29	5.11	5.25
1930	NASDAQ	CRVL	Thu, Jan 13, 2000	5.29	5.29	5.11	5.29
1929	NASDAQ	CRVL	Wed, Jan 12, 2000	5.31	5.35	4.86	5.17
1928	NASDAQ	CRVL	Tue, Jan 11, 2000	5.33	5.53	5.14	5.33
1927	NASDAQ	CRVL	Mon, Jan 10, 2000	5.36	5.51	5.28	5.47
1926	NASDAQ	CRVL	Fri, Jan 7, 2000	5.40	5.50	5.17	5.47
1925	NASDAQ	CRVL	Thu, Jan 6, 2000	5.42	5.42	5.33	5.38
1924	NASDAQ	CRVL	Wed, Jan 5, 2000	5.24	5.42	5.24	5.33
1923	NASDAQ	CRVL	Tue, Jan 4, 2000	5.24	5.42	5.24	5.42
1922	NASDAQ	CRVL	Mon, Jan 3, 2000	5.22	5.44	5.18	5.19
1921	NASDAQ	CRVL	Fri, Dec 31, 1999	5.11	5.33	5.00	5.22
1920	NASDAQ	CRVL	Thu, Dec 30, 1999	5.10	5.10	5.06	5.06
1919	NASDAQ	CRVL	Wed, Dec 29, 1999	5.06	5.11	4.97	4.97
1918	NASDAQ	CRVL	Tue, Dec 28, 1999	4.89	5.33	4.81	5.03
1917	NASDAQ	CRVL	Mon, Dec 27, 1999	4.69	4.83	4.64	4.72
1916	NASDAQ	CRVL	Thu, Dec 23, 1999	4.58	4.60	4.50	4.60
1915	NASDAQ	CRVL	Wed, Dec 22, 1999	4.68	4.69	4.50	4.58
1914	NASDAQ	CRVL	Tue, Dec 21, 1999	4.67	4.72	4.65	4.67
1913	NASDAQ	CRVL	Mon, Dec 20, 1999	4.75	4.75	4.64	4.67
1912	NASDAQ	CRVL	Fri, Dec 17, 1999	4.71	4.71	4.67	4.67
1911	NASDAQ	CRVL	Thu, Dec 16, 1999	4.75	4.75	4.58	4.67
1910	NASDAQ	CRVL	Wed, Dec 15, 1999	4.64	4.75	4.58	4.58
1909	NASDAQ	CRVL	Tue, Dec 14, 1999	4.78	4.78	4.58	4.67
1908	NASDAQ	CRVL	Mon, Dec 13, 1999	4.86	4.86	4.72	4.79
1907	NASDAQ	CRVL	Fri, Dec 10, 1999	4.76	4.76	4.72	4.72
1906	NASDAQ	CRVL	Thu, Dec 9, 1999	4.72	4.75	4.72	4.75
1905	NASDAQ	CRVL	Wed, Dec 8, 1999	4.79	4.79	4.76	4.76
1904	NASDAQ	CRVL	Tue, Dec 7, 1999	4.75	4.79	4.75	4.79
1903	NASDAQ	CRVL	Mon, Dec 6, 1999	4.82	4.82	4.68	4.78
1902	NASDAQ	CRVL	Fri, Dec 3, 1999	4.69	4.97	4.64	4.78
1901	NASDAQ	CRVL	Thu, Dec 2, 1999	4.78	4.81	4.69	4.72
1900	NASDAQ	CRVL	Wed, Dec 1, 1999	4.63	4.81	4.61	4.78
1899	NASDAQ	CRVL	Tue, Nov 30, 1999	4.64	4.64	4.58	4.61
1898	NASDAQ	CRVL	Mon, Nov 29, 1999	4.57	4.68	4.57	4.63
1897	NASDAQ	CRVL	Fri, Nov 26, 1999	4.51	4.67	4.51	4.53
1896	NASDAQ	CRVL	Wed, Nov 24, 1999	4.69	4.69	4.50	4.61
1895	NASDAQ	CRVL	Tue, Nov 23, 1999	4.54	4.69	4.50	4.69
1894	NASDAQ	CRVL	Mon, Nov 22, 1999	4.61	4.64	4.61	4.64
1893	NASDAQ	CRVL	Fri, Nov 19, 1999	4.56	4.64	4.50	4.61
1892	NASDAQ	CRVL	Thu, Nov 18, 1999	4.44	4.72	4.44	4.56
1891	NASDAQ	CRVL	Wed, Nov 17, 1999	4.58	4.65	3.76	4.53
1890	NASDAQ	CRVL	Tue, Nov 16, 1999	4.44	4.75	4.44	4.61
1889	NASDAQ	CRVL	Mon, Nov 15, 1999	4.56	4.61	4.53	4.58
1888	NASDAQ	CRVL	Fri, Nov 12, 1999	4.64	4.64	4.50	4.50
1887	NASDAQ	CRVL	Thu, Nov 11, 1999	4.63	4.64	4.61	4.61
1886	NASDAQ	CRVL	Wed, Nov 10, 1999	4.64	4.64	4.58	4.64
1885	NASDAQ	CRVL	Tue, Nov 9, 1999	4.67	4.71	4.50	4.64
1884	NASDAQ	CRVL	Mon, Nov 8, 1999	4.74	4.78	4.64	4.69
1883	NASDAQ	CRVL	Fri, Nov 5, 1999	4.81	4.81	4.75	4.75
1882	NASDAQ	CRVL	Thu, Nov 4, 1999	4.76	4.78	4.69	4.76
1881	NASDAQ	CRVL	Wed, Nov 3, 1999	4.83	4.83	4.76	4.76
1880	NASDAQ	CRVL	Tue, Nov 2, 1999	4.78	4.78	4.67	4.67
1879	NASDAQ	CRVL	Mon, Nov 1, 1999	4.69	4.83	4.69	4.69
1878	NASDAQ	CRVL	Fri, Oct 29, 1999	4.72	4.78	4.69	4.78
1877	NASDAQ	CRVL	Thu, Oct 28, 1999	4.75	4.75	4.69	4.69
1876	NASDAQ	CRVL	Wed, Oct 27, 1999	4.72	4.78	4.72	4.78
1875	NASDAQ	CRVL	Tue, Oct 26, 1999	4.83	4.89	4.69	4.69
1874	NASDAQ	CRVL	Mon, Oct 25, 1999	4.89	4.89	4.83	4.83
1873	NASDAQ	CRVL	Fri, Oct 22, 1999	4.61	4.90	4.61	4.89
1872	NASDAQ	CRVL	Thu, Oct 21, 1999	4.67	4.89	4.58	4.69
1871	NASDAQ	CRVL	Wed, Oct 20, 1999	4.76	4.81	4.67	4.75
1870	NASDAQ	CRVL	Mon, Oct 18, 1999	4.81	4.83	4.81	4.83
1869	NASDAQ	CRVL	Fri, Oct 15, 1999	4.67	4.88	4.67	4.88
1868	NASDAQ	CRVL	Thu, Oct 14, 1999	4.69	4.86	4.69	4.86
1867	NASDAQ	CRVL	Wed, Oct 13, 1999	4.72	4.72	4.69	4.71
1866	NASDAQ	CRVL	Tue, Oct 12, 1999	4.69	4.75	4.69	4.75
1865	NASDAQ	CRVL	Mon, Oct 11, 1999	4.72	4.75	4.67	4.69
1864	NASDAQ	CRVL	Fri, Oct 8, 1999	4.58	4.61	4.50	4.61
1863	NASDAQ	CRVL	Thu, Oct 7, 1999	4.56	4.58	4.53	4.58
1862	NASDAQ	CRVL	Wed, Oct 6, 1999	4.72	4.75	4.61	4.61
1861	NASDAQ	CRVL	Tue, Oct 5, 1999	4.72	4.78	4.72	4.78
1860	NASDAQ	CRVL	Mon, Oct 4, 1999	4.78	4.83	4.78	4.83
1859	NASDAQ	CRVL	Fri, Oct 1, 1999	4.86	4.86	4.86	4.86
1858	NASDAQ	CRVL	Thu, Sep 30, 1999	4.86	4.89	4.86	4.89
1857	NASDAQ	CRVL	Wed, Sep 29, 1999	4.85	4.85	4.85	4.85
1856	NASDAQ	CRVL	Tue, Sep 28, 1999	4.92	4.92	4.83	4.83
1855	NASDAQ	CRVL	Mon, Sep 27, 1999	4.86	4.89	4.86	4.89
1854	NASDAQ	CRVL	Fri, Sep 24, 1999	4.81	4.85	4.72	4.72
1853	NASDAQ	CRVL	Thu, Sep 23, 1999	4.83	4.85	4.81	4.85
1852	NASDAQ	CRVL	Wed, Sep 22, 1999	4.78	4.78	4.72	4.78
1851	NASDAQ	CRVL	Tue, Sep 21, 1999	4.72	4.74	4.72	4.72
1850	NASDAQ	CRVL	Mon, Sep 20, 1999	4.72	4.76	4.72	4.75
1849	NASDAQ	CRVL	Fri, Sep 17, 1999	4.78	4.78	4.72	4.75
1848	NASDAQ	CRVL	Thu, Sep 16, 1999	4.83	4.83	4.78	4.81
1847	NASDAQ	CRVL	Wed, Sep 15, 1999	4.78	4.88	4.78	4.78
1846	NASDAQ	CRVL	Tue, Sep 14, 1999	4.82	4.82	4.78	4.78
1845	NASDAQ	CRVL	Fri, Sep 10, 1999	4.81	4.92	4.81	4.92
1844	NASDAQ	CRVL	Thu, Sep 9, 1999	4.86	5.11	4.86	4.94
1843	NASDAQ	CRVL	Wed, Sep 8, 1999	4.75	4.86	4.75	4.86
1842	NASDAQ	CRVL	Tue, Sep 7, 1999	4.75	4.86	4.75	4.86
1841	NASDAQ	CRVL	Fri, Sep 3, 1999	4.64	5.03	4.64	4.81
1840	NASDAQ	CRVL	Thu, Sep 2, 1999	4.58	4.61	4.57	4.61
1839	NASDAQ	CRVL	Wed, Sep 1, 1999	4.68	4.69	4.68	4.69
1838	NASDAQ	CRVL	Tue, Aug 31, 1999	4.67	4.72	4.58	4.71
1837	NASDAQ	CRVL	Mon, Aug 30, 1999	4.75	4.78	4.69	4.69
1836	NASDAQ	CRVL	Fri, Aug 27, 1999	4.75	4.78	4.72	4.78
1835	NASDAQ	CRVL	Thu, Aug 26, 1999	4.72	4.78	4.72	4.75
1834	NASDAQ	CRVL	Wed, Aug 25, 1999	4.75	4.81	4.72	4.72
1833	NASDAQ	CRVL	Tue, Aug 24, 1999	4.75	4.81	4.75	4.81
1832	NASDAQ	CRVL	Mon, Aug 23, 1999	4.78	4.81	4.75	4.81
1831	NASDAQ	CRVL	Fri, Aug 20, 1999	4.78	4.78	4.72	4.75
1830	NASDAQ	CRVL	Thu, Aug 19, 1999	4.72	4.94	4.72	4.94
1829	NASDAQ	CRVL	Wed, Aug 18, 1999	4.86	4.86	4.72	4.72
1828	NASDAQ	CRVL	Tue, Aug 17, 1999	4.83	4.92	4.83	4.83
1827	NASDAQ	CRVL	Mon, Aug 16, 1999	4.81	4.81	4.81	4.81
1826	NASDAQ	CRVL	Fri, Aug 13, 1999	4.88	4.89	4.83	4.83
1825	NASDAQ	CRVL	Thu, Aug 12, 1999	4.83	4.92	4.75	4.75
1824	NASDAQ	CRVL	Tue, Aug 10, 1999	4.67	4.75	4.64	4.67
1823	NASDAQ	CRVL	Mon, Aug 9, 1999	4.75	4.81	4.50	4.72
1822	NASDAQ	CRVL	Fri, Aug 6, 1999	4.94	4.94	4.89	4.89
1821	NASDAQ	CRVL	Thu, Aug 5, 1999	5.00	5.00	4.89	4.94
1820	NASDAQ	CRVL	Wed, Aug 4, 1999	4.92	4.92	4.78	4.89
1819	NASDAQ	CRVL	Tue, Aug 3, 1999	4.97	5.06	4.97	5.03
1818	NASDAQ	CRVL	Mon, Aug 2, 1999	4.89	4.89	4.83	4.89
1817	NASDAQ	CRVL	Fri, Jul 30, 1999	4.97	4.97	4.86	4.97
1816	NASDAQ	CRVL	Thu, Jul 29, 1999	4.83	4.97	4.67	4.97
1815	NASDAQ	CRVL	Wed, Jul 28, 1999	4.83	4.83	4.81	4.81
1814	NASDAQ	CRVL	Tue, Jul 27, 1999	4.83	4.83	4.58	4.78
1813	NASDAQ	CRVL	Mon, Jul 26, 1999	4.89	4.89	4.67	4.67
1812	NASDAQ	CRVL	Fri, Jul 23, 1999	4.89	4.97	4.89	4.94
1811	NASDAQ	CRVL	Thu, Jul 22, 1999	4.76	5.00	4.76	5.00
1810	NASDAQ	CRVL	Wed, Jul 21, 1999	4.83	4.83	4.75	4.78
1809	NASDAQ	CRVL	Tue, Jul 20, 1999	4.89	4.89	4.89	4.89
1808	NASDAQ	CRVL	Mon, Jul 19, 1999	5.00	5.06	4.78	4.89
1807	NASDAQ	CRVL	Fri, Jul 16, 1999	5.08	5.11	5.08	5.11
1806	NASDAQ	CRVL	Thu, Jul 15, 1999	5.03	5.08	5.03	5.08
1805	NASDAQ	CRVL	Wed, Jul 14, 1999	4.89	4.94	4.67	4.89
1804	NASDAQ	CRVL	Tue, Jul 13, 1999	4.86	4.89	4.75	4.83
1803	NASDAQ	CRVL	Mon, Jul 12, 1999	5.11	5.17	4.89	5.11
1802	NASDAQ	CRVL	Fri, Jul 9, 1999	5.15	5.15	5.11	5.11
1801	NASDAQ	CRVL	Thu, Jul 8, 1999	5.31	5.31	4.94	5.11
1800	NASDAQ	CRVL	Wed, Jul 7, 1999	5.33	5.33	5.03	5.08
1799	NASDAQ	CRVL	Tue, Jul 6, 1999	5.06	5.83	5.06	5.33
1798	NASDAQ	CRVL	Fri, Jul 2, 1999	4.83	5.03	4.81	5.03
1797	NASDAQ	CRVL	Thu, Jul 1, 1999	4.78	4.78	4.78	4.78
1796	NASDAQ	CRVL	Wed, Jun 30, 1999	4.69	4.78	4.69	4.78
1795	NASDAQ	CRVL	Tue, Jun 29, 1999	4.53	4.78	4.53	4.78
1794	NASDAQ	CRVL	Mon, Jun 28, 1999	4.81	4.81	4.67	4.78
1793	NASDAQ	CRVL	Fri, Jun 25, 1999	4.53	4.81	4.50	4.67
1792	NASDAQ	CRVL	Thu, Jun 24, 1999	4.50	4.58	4.50	4.56
1791	NASDAQ	CRVL	Wed, Jun 23, 1999	4.46	4.58	4.44	4.58
1790	NASDAQ	CRVL	Tue, Jun 22, 1999	4.50	4.50	4.47	4.49
1789	NASDAQ	CRVL	Mon, Jun 21, 1999	4.51	4.51	4.50	4.50
1788	NASDAQ	CRVL	Fri, Jun 18, 1999	4.50	4.50	4.47	4.50
1787	NASDAQ	CRVL	Thu, Jun 17, 1999	4.53	4.56	4.49	4.50
1786	NASDAQ	CRVL	Wed, Jun 16, 1999	4.63	4.64	4.58	4.61
1785	NASDAQ	CRVL	Tue, Jun 15, 1999	4.51	4.61	4.50	4.58
1784	NASDAQ	CRVL	Mon, Jun 14, 1999	4.54	4.58	4.54	4.56
1783	NASDAQ	CRVL	Fri, Jun 11, 1999	4.54	4.57	4.49	4.56
1782	NASDAQ	CRVL	Thu, Jun 10, 1999	4.44	4.54	4.44	4.54
1781	NASDAQ	CRVL	Wed, Jun 9, 1999	4.46	4.47	4.43	4.44
1780	NASDAQ	CRVL	Tue, Jun 8, 1999	4.39	4.47	4.39	4.42
1779	NASDAQ	CRVL	Mon, Jun 7, 1999	4.38	4.39	4.36	4.38
1778	NASDAQ	CRVL	Fri, Jun 4, 1999	4.37	4.38	4.33	4.38
1777	NASDAQ	CRVL	Thu, Jun 3, 1999	4.32	4.38	4.32	4.37
1776	NASDAQ	CRVL	Wed, Jun 2, 1999	4.36	4.38	4.31	4.38
1775	NASDAQ	CRVL	Tue, Jun 1, 1999	4.39	4.44	4.36	4.39
1774	NASDAQ	CRVL	Fri, May 28, 1999	4.44	4.44	4.36	4.36
1773	NASDAQ	CRVL	Thu, May 27, 1999	4.42	4.44	4.36	4.36
1772	NASDAQ	CRVL	Wed, May 26, 1999	4.40	4.44	4.36	4.44
1771	NASDAQ	CRVL	Tue, May 25, 1999	4.53	4.56	4.36	4.44
1770	NASDAQ	CRVL	Mon, May 24, 1999	4.47	4.51	4.44	4.51
1769	NASDAQ	CRVL	Fri, May 21, 1999	4.36	4.42	4.25	4.26
1768	NASDAQ	CRVL	Thu, May 20, 1999	4.39	4.44	4.31	4.36
1767	NASDAQ	CRVL	Wed, May 19, 1999	4.17	4.36	4.16	4.36
1766	NASDAQ	CRVL	Tue, May 18, 1999	4.11	4.17	4.11	4.14
1765	NASDAQ	CRVL	Mon, May 17, 1999	4.06	4.06	4.06	4.06
1764	NASDAQ	CRVL	Fri, May 14, 1999	4.11	4.11	4.03	4.04
1763	NASDAQ	CRVL	Thu, May 13, 1999	4.07	4.14	4.07	4.10
1762	NASDAQ	CRVL	Wed, May 12, 1999	4.07	4.10	4.06	4.08
1761	NASDAQ	CRVL	Tue, May 11, 1999	3.96	4.10	3.96	4.03
1760	NASDAQ	CRVL	Mon, May 10, 1999	3.96	4.02	3.94	4.02
1759	NASDAQ	CRVL	Fri, May 7, 1999	4.02	4.02	4.01	4.01
1758	NASDAQ	CRVL	Thu, May 6, 1999	4.02	4.02	4.00	4.02
1757	NASDAQ	CRVL	Wed, May 5, 1999	3.96	3.96	3.96	3.96
1756	NASDAQ	CRVL	Tue, May 4, 1999	4.02	4.02	4.00	4.02
1755	NASDAQ	CRVL	Mon, May 3, 1999	3.92	3.97	3.92	3.97
1754	NASDAQ	CRVL	Fri, Apr 30, 1999	3.90	3.92	3.89	3.92
1753	NASDAQ	CRVL	Thu, Apr 29, 1999	3.92	3.92	3.89	3.89
1752	NASDAQ	CRVL	Wed, Apr 28, 1999	3.94	3.94	3.92	3.94
1751	NASDAQ	CRVL	Tue, Apr 27, 1999	3.94	3.94	3.94	3.94
1750	NASDAQ	CRVL	Mon, Apr 26, 1999	3.92	3.93	3.92	3.93
1749	NASDAQ	CRVL	Fri, Apr 23, 1999	4.00	4.00	3.92	3.94
1748	NASDAQ	CRVL	Thu, Apr 22, 1999	3.97	3.97	3.94	3.94
1747	NASDAQ	CRVL	Wed, Apr 21, 1999	4.00	4.01	3.92	4.00
1746	NASDAQ	CRVL	Tue, Apr 20, 1999	4.03	4.03	4.00	4.01
1745	NASDAQ	CRVL	Mon, Apr 19, 1999	4.00	4.03	3.92	4.00
1744	NASDAQ	CRVL	Fri, Apr 16, 1999	3.92	3.97	3.92	3.94
1743	NASDAQ	CRVL	Thu, Apr 15, 1999	4.03	4.03	3.93	3.93
1742	NASDAQ	CRVL	Wed, Apr 14, 1999	4.00	4.01	3.96	4.01
1741	NASDAQ	CRVL	Tue, Apr 13, 1999	4.01	4.03	3.93	4.00
1740	NASDAQ	CRVL	Fri, Apr 9, 1999	3.94	4.00	3.94	4.00
1739	NASDAQ	CRVL	Thu, Apr 8, 1999	3.89	4.00	3.89	4.00
1738	NASDAQ	CRVL	Wed, Apr 7, 1999	3.99	3.99	3.99	3.99
1737	NASDAQ	CRVL	Tue, Apr 6, 1999	3.89	3.99	3.89	3.99
1736	NASDAQ	CRVL	Mon, Apr 5, 1999	3.96	4.00	3.94	3.94
1735	NASDAQ	CRVL	Thu, Apr 1, 1999	3.97	4.03	3.90	4.03
1734	NASDAQ	CRVL	Wed, Mar 31, 1999	3.94	4.03	3.94	3.97
1733	NASDAQ	CRVL	Tue, Mar 30, 1999	3.89	3.89	3.89	3.89
1732	NASDAQ	CRVL	Mon, Mar 29, 1999	4.00	4.00	3.92	3.92
1731	NASDAQ	CRVL	Thu, Mar 25, 1999	3.97	3.97	3.94	3.97
1730	NASDAQ	CRVL	Wed, Mar 24, 1999	4.06	4.07	3.89	3.96
1729	NASDAQ	CRVL	Tue, Mar 23, 1999	4.10	4.10	4.04	4.04
1728	NASDAQ	CRVL	Mon, Mar 22, 1999	4.05	4.05	4.00	4.03
1727	NASDAQ	CRVL	Fri, Mar 19, 1999	4.00	4.01	4.00	4.01
1726	NASDAQ	CRVL	Thu, Mar 18, 1999	4.03	4.03	4.03	4.03
1725	NASDAQ	CRVL	Wed, Mar 17, 1999	4.00	4.03	3.97	4.00
1724	NASDAQ	CRVL	Tue, Mar 16, 1999	4.06	4.06	4.03	4.03
1723	NASDAQ	CRVL	Mon, Mar 15, 1999	4.00	4.11	4.00	4.01
1722	NASDAQ	CRVL	Fri, Mar 12, 1999	3.96	4.00	3.96	4.00
1721	NASDAQ	CRVL	Thu, Mar 11, 1999	3.94	3.97	3.94	3.97
1720	NASDAQ	CRVL	Wed, Mar 10, 1999	3.94	3.94	3.89	3.94
1719	NASDAQ	CRVL	Tue, Mar 9, 1999	3.89	3.94	3.86	3.94
1718	NASDAQ	CRVL	Mon, Mar 8, 1999	3.83	3.89	3.78	3.88
1717	NASDAQ	CRVL	Thu, Mar 4, 1999	3.89	3.90	3.89	3.90
1716	NASDAQ	CRVL	Wed, Mar 3, 1999	3.90	3.94	3.89	3.94
1715	NASDAQ	CRVL	Tue, Mar 2, 1999	3.83	3.90	3.78	3.90
1714	NASDAQ	CRVL	Mon, Mar 1, 1999	3.93	3.94	3.85	3.88
1713	NASDAQ	CRVL	Fri, Feb 26, 1999	3.86	3.94	3.86	3.94
1712	NASDAQ	CRVL	Thu, Feb 25, 1999	3.97	3.97	3.89	3.94
1711	NASDAQ	CRVL	Wed, Feb 24, 1999	3.99	4.01	3.96	4.01
1710	NASDAQ	CRVL	Tue, Feb 23, 1999	3.96	4.01	3.94	4.01
1709	NASDAQ	CRVL	Mon, Feb 22, 1999	3.89	3.94	3.89	3.94
1708	NASDAQ	CRVL	Fri, Feb 19, 1999	3.90	3.90	3.89	3.89
1707	NASDAQ	CRVL	Thu, Feb 18, 1999	3.94	3.94	3.88	3.89
1706	NASDAQ	CRVL	Wed, Feb 17, 1999	3.94	4.00	3.94	4.00
1705	NASDAQ	CRVL	Tue, Feb 16, 1999	3.94	3.94	3.94	3.94
1704	NASDAQ	CRVL	Fri, Feb 12, 1999	3.94	4.00	3.94	4.00
1703	NASDAQ	CRVL	Thu, Feb 11, 1999	3.94	3.97	3.94	3.97
1702	NASDAQ	CRVL	Wed, Feb 10, 1999	3.96	3.97	3.94	3.94
1701	NASDAQ	CRVL	Tue, Feb 9, 1999	3.92	4.00	3.92	3.96
1700	NASDAQ	CRVL	Mon, Feb 8, 1999	4.00	4.00	3.92	3.92
1699	NASDAQ	CRVL	Fri, Feb 5, 1999	3.99	4.00	3.97	4.00
1698	NASDAQ	CRVL	Thu, Feb 4, 1999	4.00	4.00	4.00	4.00
1697	NASDAQ	CRVL	Wed, Feb 3, 1999	4.00	4.03	4.00	4.00
1696	NASDAQ	CRVL	Tue, Feb 2, 1999	4.10	4.10	4.00	4.08
1695	NASDAQ	CRVL	Mon, Feb 1, 1999	4.07	4.11	4.07	4.07
1694	NASDAQ	CRVL	Fri, Jan 29, 1999	4.06	4.08	4.06	4.06
1693	NASDAQ	CRVL	Thu, Jan 28, 1999	4.08	4.08	4.06	4.08
1692	NASDAQ	CRVL	Wed, Jan 27, 1999	4.06	4.11	4.06	4.08
1691	NASDAQ	CRVL	Tue, Jan 26, 1999	4.07	4.11	4.06	4.11
1690	NASDAQ	CRVL	Mon, Jan 25, 1999	4.06	4.08	4.04	4.08
1689	NASDAQ	CRVL	Fri, Jan 22, 1999	4.01	4.06	3.99	4.06
1688	NASDAQ	CRVL	Thu, Jan 21, 1999	4.04	4.04	4.04	4.04
1687	NASDAQ	CRVL	Tue, Jan 19, 1999	3.97	3.99	3.97	3.99
1686	NASDAQ	CRVL	Fri, Jan 15, 1999	3.99	3.99	3.97	3.98
1685	NASDAQ	CRVL	Thu, Jan 14, 1999	3.97	3.97	3.97	3.97
1684	NASDAQ	CRVL	Wed, Jan 13, 1999	3.94	3.99	3.94	3.96
1683	NASDAQ	CRVL	Tue, Jan 12, 1999	3.94	3.99	3.90	3.93
1682	NASDAQ	CRVL	Mon, Jan 11, 1999	3.89	3.90	3.89	3.90
1681	NASDAQ	CRVL	Fri, Jan 8, 1999	3.88	3.89	3.88	3.89
1680	NASDAQ	CRVL	Thu, Jan 7, 1999	3.92	3.92	3.86	3.86
1679	NASDAQ	CRVL	Wed, Jan 6, 1999	3.89	3.89	3.89	3.89
1678	NASDAQ	CRVL	Tue, Jan 5, 1999	3.88	3.94	3.83	3.83
1677	NASDAQ	CRVL	Mon, Jan 4, 1999	3.93	4.00	3.88	3.89
1676	NASDAQ	CRVL	Thu, Dec 31, 1998	3.99	3.99	3.89	3.92
1675	NASDAQ	CRVL	Wed, Dec 30, 1998	4.08	4.08	4.00	4.00
1674	NASDAQ	CRVL	Tue, Dec 29, 1998	4.08	4.14	4.08	4.14
1673	NASDAQ	CRVL	Mon, Dec 28, 1998	4.03	4.08	4.03	4.08
1672	NASDAQ	CRVL	Thu, Dec 24, 1998	4.03	4.07	4.03	4.07
1671	NASDAQ	CRVL	Wed, Dec 23, 1998	4.03	4.08	4.03	4.03
1670	NASDAQ	CRVL	Tue, Dec 22, 1998	3.99	4.01	3.99	4.01
1669	NASDAQ	CRVL	Mon, Dec 21, 1998	3.96	3.96	3.96	3.96
1668	NASDAQ	CRVL	Fri, Dec 18, 1998	4.00	4.00	4.00	4.00
1667	NASDAQ	CRVL	Thu, Dec 17, 1998	3.97	3.99	3.96	3.97
1666	NASDAQ	CRVL	Wed, Dec 16, 1998	4.03	4.03	4.00	4.00
1665	NASDAQ	CRVL	Tue, Dec 15, 1998	4.06	4.06	4.03	4.03
1664	NASDAQ	CRVL	Mon, Dec 14, 1998	4.08	4.11	4.03	4.11
1663	NASDAQ	CRVL	Fri, Dec 11, 1998	4.03	4.03	4.03	4.03
1662	NASDAQ	CRVL	Thu, Dec 10, 1998	4.06	4.08	4.04	4.08
1661	NASDAQ	CRVL	Wed, Dec 9, 1998	4.03	4.03	4.03	4.03
1660	NASDAQ	CRVL	Tue, Dec 8, 1998	4.08	4.08	4.04	4.04
1659	NASDAQ	CRVL	Mon, Dec 7, 1998	4.04	4.04	4.04	4.04
1658	NASDAQ	CRVL	Fri, Dec 4, 1998	4.11	4.13	4.03	4.04
1657	NASDAQ	CRVL	Thu, Dec 3, 1998	4.13	4.13	4.11	4.11
1656	NASDAQ	CRVL	Tue, Dec 1, 1998	4.11	4.17	4.11	4.17
1655	NASDAQ	CRVL	Mon, Nov 30, 1998	4.17	4.17	4.11	4.15
1654	NASDAQ	CRVL	Fri, Nov 27, 1998	4.17	4.18	4.17	4.18
1653	NASDAQ	CRVL	Tue, Nov 24, 1998	4.18	4.19	4.17	4.19
1652	NASDAQ	CRVL	Mon, Nov 23, 1998	4.19	4.21	4.17	4.21
1651	NASDAQ	CRVL	Thu, Nov 19, 1998	4.21	4.21	4.17	4.17
1650	NASDAQ	CRVL	Wed, Nov 18, 1998	4.10	4.21	4.10	4.21
1649	NASDAQ	CRVL	Tue, Nov 17, 1998	4.11	4.15	4.11	4.15
1648	NASDAQ	CRVL	Mon, Nov 16, 1998	4.11	4.21	4.11	4.11
1647	NASDAQ	CRVL	Fri, Nov 13, 1998	4.14	4.14	4.08	4.11
1646	NASDAQ	CRVL	Thu, Nov 12, 1998	4.14	4.14	4.14	4.14
1645	NASDAQ	CRVL	Wed, Nov 11, 1998	4.08	4.17	4.08	4.17
1644	NASDAQ	CRVL	Tue, Nov 10, 1998	4.16	4.16	4.10	4.10
1643	NASDAQ	CRVL	Mon, Nov 9, 1998	4.08	4.11	4.08	4.10
1642	NASDAQ	CRVL	Fri, Nov 6, 1998	4.11	4.11	4.06	4.08
1641	NASDAQ	CRVL	Thu, Nov 5, 1998	4.22	4.22	4.07	4.08
1640	NASDAQ	CRVL	Wed, Nov 4, 1998	4.10	4.10	4.08	4.08
1639	NASDAQ	CRVL	Tue, Nov 3, 1998	4.07	4.19	4.06	4.19
1638	NASDAQ	CRVL	Mon, Nov 2, 1998	4.03	4.03	4.03	4.03
1637	NASDAQ	CRVL	Fri, Oct 30, 1998	4.07	4.07	4.06	4.07
1636	NASDAQ	CRVL	Tue, Oct 27, 1998	4.15	4.15	4.03	4.08
1635	NASDAQ	CRVL	Mon, Oct 26, 1998	4.22	4.22	4.15	4.15
1634	NASDAQ	CRVL	Fri, Oct 23, 1998	4.15	4.15	4.15	4.15
1633	NASDAQ	CRVL	Thu, Oct 22, 1998	4.17	4.22	4.17	4.19
1632	NASDAQ	CRVL	Tue, Oct 20, 1998	4.11	4.14	4.03	4.14
1631	NASDAQ	CRVL	Mon, Oct 19, 1998	4.22	4.22	4.22	4.22
1630	NASDAQ	CRVL	Fri, Oct 16, 1998	4.13	4.22	4.13	4.22
1629	NASDAQ	CRVL	Thu, Oct 15, 1998	3.92	4.18	3.89	4.18
1628	NASDAQ	CRVL	Mon, Oct 12, 1998	3.92	3.92	3.75	3.83
1627	NASDAQ	CRVL	Fri, Oct 9, 1998	3.83	3.97	3.78	3.97
1626	NASDAQ	CRVL	Thu, Oct 8, 1998	3.89	4.00	3.82	4.00
1625	NASDAQ	CRVL	Wed, Oct 7, 1998	4.06	4.06	3.93	3.93
1624	NASDAQ	CRVL	Mon, Oct 5, 1998	3.96	4.11	3.96	4.00
1623	NASDAQ	CRVL	Fri, Oct 2, 1998	3.99	3.99	3.99	3.99
1622	NASDAQ	CRVL	Thu, Oct 1, 1998	4.00	4.17	3.94	4.08
1621	NASDAQ	CRVL	Wed, Sep 30, 1998	4.06	4.31	4.06	4.31
1620	NASDAQ	CRVL	Tue, Sep 29, 1998	3.93	3.97	3.93	3.96
1619	NASDAQ	CRVL	Mon, Sep 28, 1998	3.97	3.97	3.89	3.97
1618	NASDAQ	CRVL	Fri, Sep 25, 1998	4.03	4.11	3.94	4.06
1617	NASDAQ	CRVL	Thu, Sep 24, 1998	3.92	4.10	3.92	4.08
1616	NASDAQ	CRVL	Wed, Sep 23, 1998	3.86	3.87	3.86	3.86
1615	NASDAQ	CRVL	Tue, Sep 22, 1998	3.83	3.83	3.83	3.83
1614	NASDAQ	CRVL	Mon, Sep 21, 1998	3.83	3.83	3.83	3.83
1613	NASDAQ	CRVL	Fri, Sep 18, 1998	3.86	3.86	3.86	3.86
1612	NASDAQ	CRVL	Thu, Sep 17, 1998	3.83	3.85	3.83	3.83
1611	NASDAQ	CRVL	Wed, Sep 16, 1998	3.78	3.86	3.78	3.85
1610	NASDAQ	CRVL	Tue, Sep 15, 1998	3.81	3.81	3.81	3.81
1609	NASDAQ	CRVL	Mon, Sep 14, 1998	3.78	3.79	3.78	3.79
1608	NASDAQ	CRVL	Fri, Sep 11, 1998	3.78	3.78	3.78	3.78
1607	NASDAQ	CRVL	Thu, Sep 10, 1998	3.78	3.83	3.78	3.78
1606	NASDAQ	CRVL	Wed, Sep 9, 1998	3.81	3.81	3.79	3.79
1605	NASDAQ	CRVL	Tue, Sep 8, 1998	3.78	3.89	3.78	3.78
1604	NASDAQ	CRVL	Fri, Sep 4, 1998	3.85	3.85	3.78	3.85
1603	NASDAQ	CRVL	Thu, Sep 3, 1998	3.81	3.81	3.78	3.78
1602	NASDAQ	CRVL	Wed, Sep 2, 1998	3.85	3.86	3.83	3.85
1601	NASDAQ	CRVL	Tue, Sep 1, 1998	3.78	3.83	3.78	3.83
1600	NASDAQ	CRVL	Mon, Aug 31, 1998	3.94	3.94	3.61	3.74
1599	NASDAQ	CRVL	Fri, Aug 28, 1998	3.94	3.94	3.94	3.94
1598	NASDAQ	CRVL	Thu, Aug 27, 1998	3.94	3.94	3.94	3.94
1597	NASDAQ	CRVL	Wed, Aug 26, 1998	3.95	4.01	3.94	4.01
1596	NASDAQ	CRVL	Tue, Aug 25, 1998	3.95	4.00	3.95	3.97
1595	NASDAQ	CRVL	Mon, Aug 24, 1998	4.00	4.01	3.97	3.97
1594	NASDAQ	CRVL	Fri, Aug 21, 1998	3.97	4.02	3.97	4.01
1593	NASDAQ	CRVL	Thu, Aug 20, 1998	4.00	4.05	4.00	4.00
1592	NASDAQ	CRVL	Wed, Aug 19, 1998	4.00	4.00	4.00	4.00
1591	NASDAQ	CRVL	Mon, Aug 17, 1998	4.08	4.08	4.00	4.00
1590	NASDAQ	CRVL	Fri, Aug 14, 1998	4.03	4.03	4.03	4.03
1589	NASDAQ	CRVL	Thu, Aug 13, 1998	4.03	4.04	4.03	4.04
1588	NASDAQ	CRVL	Wed, Aug 12, 1998	3.94	4.08	3.94	4.00
1587	NASDAQ	CRVL	Tue, Aug 11, 1998	3.94	4.00	3.94	3.94
1586	NASDAQ	CRVL	Mon, Aug 10, 1998	3.99	4.08	3.99	3.99
1585	NASDAQ	CRVL	Fri, Aug 7, 1998	4.04	4.08	4.00	4.00
1584	NASDAQ	CRVL	Wed, Aug 5, 1998	4.11	4.19	4.04	4.04
1583	NASDAQ	CRVL	Tue, Aug 4, 1998	4.11	4.19	4.11	4.19
1582	NASDAQ	CRVL	Mon, Aug 3, 1998	4.18	4.18	4.11	4.15
1581	NASDAQ	CRVL	Fri, Jul 31, 1998	4.19	4.19	4.18	4.18
1580	NASDAQ	CRVL	Wed, Jul 29, 1998	4.29	4.29	4.18	4.18
1579	NASDAQ	CRVL	Tue, Jul 28, 1998	4.32	4.32	4.18	4.18
1578	NASDAQ	CRVL	Mon, Jul 27, 1998	4.28	4.29	4.28	4.29
1577	NASDAQ	CRVL	Fri, Jul 24, 1998	4.28	4.28	4.18	4.18
1576	NASDAQ	CRVL	Thu, Jul 23, 1998	4.29	4.29	4.18	4.18
1575	NASDAQ	CRVL	Wed, Jul 22, 1998	4.28	4.43	4.28	4.29
1574	NASDAQ	CRVL	Tue, Jul 21, 1998	4.28	4.28	4.28	4.28
1573	NASDAQ	CRVL	Mon, Jul 20, 1998	4.31	4.32	4.31	4.32
1572	NASDAQ	CRVL	Fri, Jul 17, 1998	4.28	4.36	4.28	4.33
1571	NASDAQ	CRVL	Thu, Jul 16, 1998	4.28	4.36	4.28	4.31
1570	NASDAQ	CRVL	Wed, Jul 15, 1998	4.36	4.36	4.26	4.36
1569	NASDAQ	CRVL	Tue, Jul 14, 1998	4.26	4.36	4.26	4.36
1568	NASDAQ	CRVL	Mon, Jul 13, 1998	4.36	4.36	4.25	4.31
1567	NASDAQ	CRVL	Fri, Jul 10, 1998	4.22	4.28	4.22	4.25
1566	NASDAQ	CRVL	Thu, Jul 9, 1998	4.31	4.36	4.22	4.35
1565	NASDAQ	CRVL	Wed, Jul 8, 1998	4.24	4.24	4.24	4.24
1564	NASDAQ	CRVL	Tue, Jul 7, 1998	4.25	4.32	4.25	4.32
1563	NASDAQ	CRVL	Mon, Jul 6, 1998	4.35	4.35	4.25	4.25
1562	NASDAQ	CRVL	Thu, Jul 2, 1998	4.29	4.33	4.29	4.32
1561	NASDAQ	CRVL	Wed, Jul 1, 1998	4.29	4.29	4.29	4.29
1560	NASDAQ	CRVL	Tue, Jun 30, 1998	4.33	4.33	4.33	4.33
1559	NASDAQ	CRVL	Mon, Jun 29, 1998	4.31	4.31	4.28	4.28
1558	NASDAQ	CRVL	Fri, Jun 26, 1998	4.32	4.32	4.28	4.28
1557	NASDAQ	CRVL	Thu, Jun 25, 1998	4.33	4.33	4.33	4.33
1556	NASDAQ	CRVL	Wed, Jun 24, 1998	4.29	4.29	4.29	4.29
1555	NASDAQ	CRVL	Tue, Jun 23, 1998	4.29	4.29	4.29	4.29
1554	NASDAQ	CRVL	Mon, Jun 22, 1998	4.33	4.33	4.29	4.33
1553	NASDAQ	CRVL	Fri, Jun 19, 1998	4.25	4.33	4.25	4.33
1552	NASDAQ	CRVL	Thu, Jun 18, 1998	4.25	4.25	4.25	4.25
1551	NASDAQ	CRVL	Wed, Jun 17, 1998	4.22	4.25	4.18	4.23
1550	NASDAQ	CRVL	Tue, Jun 16, 1998	4.10	4.24	4.10	4.22
1549	NASDAQ	CRVL	Mon, Jun 15, 1998	4.10	4.19	4.10	4.14
1548	NASDAQ	CRVL	Fri, Jun 12, 1998	4.06	4.17	4.06	4.17
1547	NASDAQ	CRVL	Thu, Jun 11, 1998	4.08	4.08	4.08	4.08
1546	NASDAQ	CRVL	Wed, Jun 10, 1998	4.21	4.22	4.01	4.06
1545	NASDAQ	CRVL	Tue, Jun 9, 1998	4.18	4.24	4.18	4.24
1544	NASDAQ	CRVL	Mon, Jun 8, 1998	4.18	4.19	4.18	4.18
1543	NASDAQ	CRVL	Fri, Jun 5, 1998	4.18	4.24	4.18	4.18
1542	NASDAQ	CRVL	Thu, Jun 4, 1998	4.18	4.24	4.18	4.24
1541	NASDAQ	CRVL	Tue, Jun 2, 1998	4.18	4.21	4.18	4.18
1540	NASDAQ	CRVL	Mon, Jun 1, 1998	4.18	4.18	4.18	4.18
1539	NASDAQ	CRVL	Fri, May 29, 1998	4.19	4.21	4.18	4.18
1538	NASDAQ	CRVL	Thu, May 28, 1998	4.22	4.22	4.21	4.22
1537	NASDAQ	CRVL	Wed, May 27, 1998	4.22	4.26	4.18	4.19
1536	NASDAQ	CRVL	Tue, May 26, 1998	4.28	4.28	4.22	4.22
1535	NASDAQ	CRVL	Thu, May 21, 1998	4.22	4.28	4.21	4.22
1534	NASDAQ	CRVL	Wed, May 20, 1998	4.28	4.28	4.22	4.26
1533	NASDAQ	CRVL	Tue, May 19, 1998	4.22	4.28	4.22	4.24
1532	NASDAQ	CRVL	Mon, May 18, 1998	4.22	4.24	4.22	4.24
1531	NASDAQ	CRVL	Fri, May 15, 1998	4.19	4.19	4.19	4.19
1530	NASDAQ	CRVL	Thu, May 14, 1998	4.28	4.28	4.21	4.21
1529	NASDAQ	CRVL	Wed, May 13, 1998	4.22	4.25	4.22	4.24
1528	NASDAQ	CRVL	Tue, May 12, 1998	4.07	4.40	4.07	4.40
1527	NASDAQ	CRVL	Mon, May 11, 1998	4.00	4.04	4.00	4.03
1526	NASDAQ	CRVL	Fri, May 8, 1998	3.94	4.00	3.94	4.00
1525	NASDAQ	CRVL	Thu, May 7, 1998	3.97	3.97	3.94	3.96
1524	NASDAQ	CRVL	Tue, May 5, 1998	3.90	3.93	3.90	3.90
1523	NASDAQ	CRVL	Mon, May 4, 1998	3.97	4.00	3.96	3.96
1522	NASDAQ	CRVL	Fri, May 1, 1998	3.94	3.97	3.92	3.92
1521	NASDAQ	CRVL	Thu, Apr 30, 1998	3.93	3.97	3.89	3.96
1520	NASDAQ	CRVL	Wed, Apr 29, 1998	3.89	3.97	3.89	3.97
1519	NASDAQ	CRVL	Tue, Apr 28, 1998	3.83	3.99	3.83	3.94
1518	NASDAQ	CRVL	Mon, Apr 27, 1998	3.89	3.92	3.79	3.79
1517	NASDAQ	CRVL	Fri, Apr 24, 1998	3.89	3.92	3.89	3.89
1516	NASDAQ	CRVL	Thu, Apr 23, 1998	3.93	3.97	3.89	3.92
1515	NASDAQ	CRVL	Wed, Apr 22, 1998	3.94	3.96	3.92	3.92
1514	NASDAQ	CRVL	Tue, Apr 21, 1998	3.83	3.97	3.83	3.92
1513	NASDAQ	CRVL	Mon, Apr 20, 1998	3.92	3.92	3.86	3.89
1512	NASDAQ	CRVL	Fri, Apr 17, 1998	3.83	3.83	3.83	3.83
1511	NASDAQ	CRVL	Thu, Apr 16, 1998	3.76	3.83	3.76	3.83
1510	NASDAQ	CRVL	Wed, Apr 15, 1998	3.92	3.97	3.67	3.78
1509	NASDAQ	CRVL	Tue, Apr 14, 1998	4.00	4.00	4.00	4.00
1508	NASDAQ	CRVL	Mon, Apr 13, 1998	4.06	4.07	3.94	3.96
1507	NASDAQ	CRVL	Thu, Apr 9, 1998	4.01	4.14	4.01	4.06
1506	NASDAQ	CRVL	Wed, Apr 8, 1998	4.22	4.22	4.22	4.22
1505	NASDAQ	CRVL	Tue, Apr 7, 1998	4.03	4.11	4.01	4.01
1504	NASDAQ	CRVL	Mon, Apr 6, 1998	4.22	4.22	4.08	4.08
1503	NASDAQ	CRVL	Fri, Apr 3, 1998	4.19	4.19	4.11	4.17
1502	NASDAQ	CRVL	Thu, Apr 2, 1998	4.13	4.31	4.13	4.31
1501	NASDAQ	CRVL	Wed, Apr 1, 1998	4.44	4.44	4.18	4.25
1500	NASDAQ	CRVL	Tue, Mar 31, 1998	4.22	4.54	4.22	4.42
1499	NASDAQ	CRVL	Mon, Mar 30, 1998	4.08	4.14	4.08	4.14
1498	NASDAQ	CRVL	Fri, Mar 27, 1998	4.08	4.08	4.08	4.08
1497	NASDAQ	CRVL	Thu, Mar 26, 1998	4.08	4.08	4.08	4.08
1496	NASDAQ	CRVL	Tue, Mar 24, 1998	3.96	3.99	3.96	3.99
1495	NASDAQ	CRVL	Mon, Mar 23, 1998	4.03	4.03	3.96	3.96
1494	NASDAQ	CRVL	Fri, Mar 20, 1998	4.11	4.11	4.04	4.04
1493	NASDAQ	CRVL	Thu, Mar 19, 1998	4.04	4.07	4.03	4.03
1492	NASDAQ	CRVL	Wed, Mar 18, 1998	4.04	4.04	4.04	4.04
1491	NASDAQ	CRVL	Tue, Mar 17, 1998	4.03	4.14	4.03	4.14
1490	NASDAQ	CRVL	Mon, Mar 16, 1998	4.22	4.22	4.08	4.19
1489	NASDAQ	CRVL	Fri, Mar 13, 1998	4.13	4.13	4.10	4.11
1488	NASDAQ	CRVL	Thu, Mar 12, 1998	4.11	4.22	4.10	4.11
1487	NASDAQ	CRVL	Wed, Mar 11, 1998	4.14	4.22	4.14	4.22
1486	NASDAQ	CRVL	Tue, Mar 10, 1998	4.08	4.11	4.03	4.03
1485	NASDAQ	CRVL	Mon, Mar 9, 1998	3.94	4.03	3.94	4.01
1484	NASDAQ	CRVL	Thu, Mar 5, 1998	4.00	4.00	4.00	4.00
1483	NASDAQ	CRVL	Wed, Mar 4, 1998	3.94	3.94	3.94	3.94
1482	NASDAQ	CRVL	Tue, Mar 3, 1998	4.03	4.03	3.89	3.89
1481	NASDAQ	CRVL	Mon, Mar 2, 1998	4.03	4.03	3.94	3.94
1480	NASDAQ	CRVL	Fri, Feb 27, 1998	3.96	3.96	3.96	3.96
1479	NASDAQ	CRVL	Thu, Feb 26, 1998	3.97	3.99	3.97	3.99
1478	NASDAQ	CRVL	Wed, Feb 25, 1998	4.03	4.03	3.92	3.99
1477	NASDAQ	CRVL	Tue, Feb 24, 1998	4.00	4.03	3.97	4.00
1476	NASDAQ	CRVL	Mon, Feb 23, 1998	4.03	4.06	3.97	3.97
1475	NASDAQ	CRVL	Fri, Feb 20, 1998	4.00	4.00	3.89	3.97
1474	NASDAQ	CRVL	Thu, Feb 19, 1998	3.82	4.00	3.81	4.00
1473	NASDAQ	CRVL	Wed, Feb 18, 1998	3.86	3.89	3.81	3.83
1472	NASDAQ	CRVL	Tue, Feb 17, 1998	3.86	3.88	3.85	3.88
1471	NASDAQ	CRVL	Fri, Feb 13, 1998	3.86	3.97	3.83	3.83
1470	NASDAQ	CRVL	Thu, Feb 12, 1998	3.72	3.86	3.67	3.78
1469	NASDAQ	CRVL	Wed, Feb 11, 1998	3.97	4.00	3.82	3.85
1468	NASDAQ	CRVL	Tue, Feb 10, 1998	4.06	4.07	4.00	4.00
1467	NASDAQ	CRVL	Mon, Feb 9, 1998	4.19	4.19	4.06	4.11
1466	NASDAQ	CRVL	Fri, Feb 6, 1998	4.11	4.11	4.06	4.08
1465	NASDAQ	CRVL	Thu, Feb 5, 1998	4.14	4.19	4.14	4.17
1464	NASDAQ	CRVL	Wed, Feb 4, 1998	4.10	4.14	4.08	4.10
1463	NASDAQ	CRVL	Tue, Feb 3, 1998	4.08	4.18	4.08	4.18
1462	NASDAQ	CRVL	Mon, Feb 2, 1998	4.17	4.18	4.14	4.18
1461	NASDAQ	CRVL	Fri, Jan 30, 1998	4.00	4.17	4.00	4.13
1460	NASDAQ	CRVL	Thu, Jan 29, 1998	4.01	4.11	4.00	4.06
1459	NASDAQ	CRVL	Tue, Jan 27, 1998	4.17	4.17	4.11	4.11
1458	NASDAQ	CRVL	Mon, Jan 26, 1998	4.11	4.17	4.00	4.11
1457	NASDAQ	CRVL	Fri, Jan 23, 1998	4.19	4.28	4.17	4.17
1456	NASDAQ	CRVL	Thu, Jan 22, 1998	4.28	4.33	4.22	4.31
1455	NASDAQ	CRVL	Wed, Jan 21, 1998	4.17	4.25	4.11	4.25
1454	NASDAQ	CRVL	Tue, Jan 20, 1998	4.17	4.17	4.11	4.11
1453	NASDAQ	CRVL	Fri, Jan 16, 1998	4.11	4.11	4.11	4.11
1452	NASDAQ	CRVL	Thu, Jan 15, 1998	4.04	4.17	4.02	4.06
1451	NASDAQ	CRVL	Wed, Jan 14, 1998	4.01	4.08	4.00	4.00
1450	NASDAQ	CRVL	Tue, Jan 13, 1998	4.07	4.17	3.97	3.97
1449	NASDAQ	CRVL	Mon, Jan 12, 1998	3.94	4.11	3.94	4.11
1448	NASDAQ	CRVL	Fri, Jan 9, 1998	4.06	4.17	4.06	4.17
1447	NASDAQ	CRVL	Thu, Jan 8, 1998	4.00	4.11	4.00	4.11
1446	NASDAQ	CRVL	Wed, Jan 7, 1998	4.00	4.11	4.00	4.06
1445	NASDAQ	CRVL	Tue, Jan 6, 1998	4.18	4.18	4.00	4.03
1444	NASDAQ	CRVL	Mon, Jan 5, 1998	4.22	4.22	4.22	4.22
1443	NASDAQ	CRVL	Fri, Jan 2, 1998	4.19	4.31	4.19	4.24
1442	NASDAQ	CRVL	Wed, Dec 31, 1997	4.19	4.24	4.19	4.19
1441	NASDAQ	CRVL	Tue, Dec 30, 1997	4.14	4.28	4.14	4.24
1440	NASDAQ	CRVL	Mon, Dec 29, 1997	4.25	4.25	4.13	4.21
1439	NASDAQ	CRVL	Wed, Dec 24, 1997	4.13	4.14	4.13	4.13
1438	NASDAQ	CRVL	Tue, Dec 23, 1997	4.11	4.13	4.11	4.13
1437	NASDAQ	CRVL	Mon, Dec 22, 1997	4.14	4.17	4.11	4.13
1436	NASDAQ	CRVL	Thu, Dec 18, 1997	4.11	4.11	4.11	4.11
1435	NASDAQ	CRVL	Wed, Dec 17, 1997	4.06	4.11	4.03	4.04
1434	NASDAQ	CRVL	Tue, Dec 16, 1997	4.22	4.22	4.08	4.22
1433	NASDAQ	CRVL	Mon, Dec 15, 1997	4.25	4.28	4.25	4.28
1432	NASDAQ	CRVL	Fri, Dec 12, 1997	4.19	4.22	4.18	4.22
1431	NASDAQ	CRVL	Thu, Dec 11, 1997	4.03	4.19	4.03	4.19
1430	NASDAQ	CRVL	Wed, Dec 10, 1997	4.14	4.14	4.14	4.14
1429	NASDAQ	CRVL	Mon, Dec 8, 1997	4.14	4.17	4.14	4.17
1428	NASDAQ	CRVL	Fri, Dec 5, 1997	4.26	4.28	4.26	4.26
1427	NASDAQ	CRVL	Thu, Dec 4, 1997	4.24	4.33	4.24	4.33
1426	NASDAQ	CRVL	Wed, Dec 3, 1997	4.25	4.26	4.19	4.19
1425	NASDAQ	CRVL	Tue, Dec 2, 1997	4.21	4.25	4.19	4.22
1424	NASDAQ	CRVL	Mon, Dec 1, 1997	4.08	4.25	4.08	4.25
1423	NASDAQ	CRVL	Fri, Nov 28, 1997	4.08	4.08	4.08	4.08
1422	NASDAQ	CRVL	Wed, Nov 26, 1997	4.11	4.11	4.03	4.11
1421	NASDAQ	CRVL	Tue, Nov 25, 1997	4.31	4.32	3.97	4.11
1420	NASDAQ	CRVL	Mon, Nov 24, 1997	4.31	4.31	4.31	4.31
1419	NASDAQ	CRVL	Fri, Nov 21, 1997	4.33	4.33	4.31	4.31
1418	NASDAQ	CRVL	Thu, Nov 20, 1997	4.33	4.33	4.33	4.33
1417	NASDAQ	CRVL	Mon, Nov 17, 1997	4.56	4.56	4.28	4.33
1416	NASDAQ	CRVL	Fri, Nov 14, 1997	4.31	4.31	4.28	4.28
1415	NASDAQ	CRVL	Thu, Nov 13, 1997	4.33	4.39	4.33	4.38
1414	NASDAQ	CRVL	Wed, Nov 12, 1997	4.31	4.44	4.31	4.31
1413	NASDAQ	CRVL	Tue, Nov 11, 1997	4.44	4.44	4.44	4.44
1412	NASDAQ	CRVL	Mon, Nov 10, 1997	4.33	4.46	4.33	4.36
1411	NASDAQ	CRVL	Fri, Nov 7, 1997	4.44	4.44	4.39	4.39
1410	NASDAQ	CRVL	Thu, Nov 6, 1997	4.50	4.50	4.39	4.39
1409	NASDAQ	CRVL	Wed, Nov 5, 1997	4.33	4.39	4.33	4.39
1408	NASDAQ	CRVL	Tue, Nov 4, 1997	4.35	4.44	4.33	4.33
1407	NASDAQ	CRVL	Mon, Nov 3, 1997	4.44	4.50	4.42	4.50
1406	NASDAQ	CRVL	Fri, Oct 31, 1997	4.50	4.56	4.36	4.39
1405	NASDAQ	CRVL	Thu, Oct 30, 1997	4.56	4.61	4.44	4.47
1404	NASDAQ	CRVL	Wed, Oct 29, 1997	4.50	4.56	4.44	4.44
1403	NASDAQ	CRVL	Tue, Oct 28, 1997	4.33	4.67	4.33	4.50
1402	NASDAQ	CRVL	Mon, Oct 27, 1997	4.36	4.39	4.33	4.33
1401	NASDAQ	CRVL	Fri, Oct 24, 1997	4.64	4.75	4.58	4.61
1400	NASDAQ	CRVL	Thu, Oct 23, 1997	4.46	4.63	4.46	4.63
1399	NASDAQ	CRVL	Wed, Oct 22, 1997	4.58	4.67	4.58	4.67
1398	NASDAQ	CRVL	Tue, Oct 21, 1997	4.31	4.56	4.31	4.53
1397	NASDAQ	CRVL	Mon, Oct 20, 1997	4.38	4.38	4.29	4.31
1396	NASDAQ	CRVL	Fri, Oct 17, 1997	4.28	4.29	4.28	4.28
1395	NASDAQ	CRVL	Thu, Oct 16, 1997	4.25	4.31	4.25	4.28
1394	NASDAQ	CRVL	Wed, Oct 15, 1997	4.22	4.31	4.22	4.31
1393	NASDAQ	CRVL	Tue, Oct 14, 1997	4.19	4.22	4.19	4.19
1392	NASDAQ	CRVL	Mon, Oct 13, 1997	4.14	4.25	4.14	4.25
1391	NASDAQ	CRVL	Fri, Oct 10, 1997	4.22	4.22	4.14	4.14
1390	NASDAQ	CRVL	Thu, Oct 9, 1997	4.36	4.36	4.14	4.14
1389	NASDAQ	CRVL	Wed, Oct 8, 1997	4.38	4.38	4.32	4.32
1388	NASDAQ	CRVL	Tue, Oct 7, 1997	4.28	4.33	4.28	4.33
1387	NASDAQ	CRVL	Mon, Oct 6, 1997	4.28	4.28	4.28	4.28
1386	NASDAQ	CRVL	Fri, Oct 3, 1997	4.39	4.39	4.26	4.35
1385	NASDAQ	CRVL	Thu, Oct 2, 1997	4.44	4.44	4.36	4.39
1384	NASDAQ	CRVL	Wed, Oct 1, 1997	4.28	4.39	4.28	4.33
1383	NASDAQ	CRVL	Tue, Sep 30, 1997	4.35	4.35	4.17	4.25
1382	NASDAQ	CRVL	Mon, Sep 29, 1997	4.31	4.31	4.31	4.31
1381	NASDAQ	CRVL	Fri, Sep 26, 1997	4.31	4.33	4.31	4.31
1380	NASDAQ	CRVL	Thu, Sep 25, 1997	4.39	4.39	4.31	4.31
1379	NASDAQ	CRVL	Wed, Sep 24, 1997	4.31	4.31	4.31	4.31
1378	NASDAQ	CRVL	Tue, Sep 23, 1997	4.27	4.39	4.27	4.33
1377	NASDAQ	CRVL	Mon, Sep 22, 1997	4.25	4.25	4.17	4.22
1376	NASDAQ	CRVL	Fri, Sep 19, 1997	4.25	4.28	4.21	4.21
1375	NASDAQ	CRVL	Thu, Sep 18, 1997	4.28	4.35	4.25	4.28
1374	NASDAQ	CRVL	Wed, Sep 17, 1997	4.28	4.28	4.14	4.22
1373	NASDAQ	CRVL	Tue, Sep 16, 1997	4.22	4.25	4.17	4.17
1372	NASDAQ	CRVL	Mon, Sep 15, 1997	4.19	4.19	4.06	4.07
1371	NASDAQ	CRVL	Fri, Sep 12, 1997	4.03	4.14	4.03	4.11
1370	NASDAQ	CRVL	Thu, Sep 11, 1997	4.04	4.06	4.00	4.00
1369	NASDAQ	CRVL	Wed, Sep 10, 1997	4.03	4.06	3.97	4.06
1368	NASDAQ	CRVL	Tue, Sep 9, 1997	3.86	3.96	3.86	3.89
1367	NASDAQ	CRVL	Mon, Sep 8, 1997	3.81	3.89	3.81	3.89
1366	NASDAQ	CRVL	Fri, Sep 5, 1997	3.89	3.94	3.89	3.94
1365	NASDAQ	CRVL	Thu, Sep 4, 1997	3.89	3.94	3.81	3.94
1364	NASDAQ	CRVL	Wed, Sep 3, 1997	3.89	3.89	3.81	3.89
1363	NASDAQ	CRVL	Tue, Sep 2, 1997	3.86	3.89	3.83	3.89
1362	NASDAQ	CRVL	Fri, Aug 29, 1997	4.03	4.03	3.90	3.90
1361	NASDAQ	CRVL	Thu, Aug 28, 1997	4.00	4.03	3.97	4.03
1360	NASDAQ	CRVL	Wed, Aug 27, 1997	3.92	4.00	3.89	4.00
1359	NASDAQ	CRVL	Tue, Aug 26, 1997	3.92	3.92	3.78	3.83
1358	NASDAQ	CRVL	Mon, Aug 25, 1997	3.92	3.92	3.78	3.88
1357	NASDAQ	CRVL	Fri, Aug 22, 1997	3.72	3.92	3.61	3.92
1356	NASDAQ	CRVL	Thu, Aug 21, 1997	3.78	3.78	3.67	3.72
1355	NASDAQ	CRVL	Wed, Aug 20, 1997	3.72	3.78	3.65	3.76
1354	NASDAQ	CRVL	Tue, Aug 19, 1997	3.56	3.72	3.56	3.61
1353	NASDAQ	CRVL	Mon, Aug 18, 1997	3.61	3.61	3.50	3.50
1352	NASDAQ	CRVL	Fri, Aug 15, 1997	3.50	3.56	3.50	3.50
1351	NASDAQ	CRVL	Thu, Aug 14, 1997	3.50	3.56	3.50	3.56
1350	NASDAQ	CRVL	Wed, Aug 13, 1997	3.50	3.54	3.50	3.50
1349	NASDAQ	CRVL	Tue, Aug 12, 1997	3.50	3.57	3.43	3.51
1348	NASDAQ	CRVL	Mon, Aug 11, 1997	3.39	3.43	3.39	3.39
1347	NASDAQ	CRVL	Fri, Aug 8, 1997	3.50	3.50	3.40	3.43
1346	NASDAQ	CRVL	Thu, Aug 7, 1997	3.33	3.44	3.33	3.40
1345	NASDAQ	CRVL	Wed, Aug 6, 1997	3.40	3.40	3.38	3.38
1344	NASDAQ	CRVL	Tue, Aug 5, 1997	3.38	3.38	3.33	3.38
1343	NASDAQ	CRVL	Mon, Aug 4, 1997	3.31	3.31	3.31	3.31
1342	NASDAQ	CRVL	Fri, Aug 1, 1997	3.38	3.38	3.31	3.32
1341	NASDAQ	CRVL	Thu, Jul 31, 1997	3.38	3.38	3.38	3.38
1340	NASDAQ	CRVL	Wed, Jul 30, 1997	3.36	3.38	3.31	3.38
1339	NASDAQ	CRVL	Tue, Jul 29, 1997	3.42	3.42	3.36	3.36
1338	NASDAQ	CRVL	Mon, Jul 28, 1997	3.54	3.56	3.42	3.44
1337	NASDAQ	CRVL	Fri, Jul 25, 1997	3.58	3.58	3.50	3.58
1336	NASDAQ	CRVL	Thu, Jul 24, 1997	3.50	3.58	3.50	3.56
1335	NASDAQ	CRVL	Wed, Jul 23, 1997	3.39	3.53	3.39	3.51
1334	NASDAQ	CRVL	Tue, Jul 22, 1997	3.28	3.44	3.28	3.40
1333	NASDAQ	CRVL	Mon, Jul 21, 1997	3.28	3.31	3.28	3.28
1332	NASDAQ	CRVL	Fri, Jul 18, 1997	3.22	3.31	3.22	3.31
1331	NASDAQ	CRVL	Thu, Jul 17, 1997	3.22	3.31	3.22	3.31
1330	NASDAQ	CRVL	Wed, Jul 16, 1997	3.25	3.33	3.22	3.26
1329	NASDAQ	CRVL	Tue, Jul 15, 1997	3.22	3.26	3.22	3.24
1328	NASDAQ	CRVL	Mon, Jul 14, 1997	3.28	3.33	3.22	3.25
1327	NASDAQ	CRVL	Fri, Jul 11, 1997	3.22	3.33	3.22	3.33
1326	NASDAQ	CRVL	Thu, Jul 10, 1997	3.22	3.22	3.22	3.22
1325	NASDAQ	CRVL	Wed, Jul 9, 1997	3.22	3.25	3.22	3.24
1324	NASDAQ	CRVL	Tue, Jul 8, 1997	3.19	3.25	3.19	3.22
1323	NASDAQ	CRVL	Mon, Jul 7, 1997	3.22	3.28	3.22	3.22
1322	NASDAQ	CRVL	Thu, Jul 3, 1997	3.28	3.28	3.28	3.28
1321	NASDAQ	CRVL	Wed, Jul 2, 1997	3.19	3.22	3.19	3.22
1320	NASDAQ	CRVL	Tue, Jul 1, 1997	3.21	3.33	3.21	3.31
1319	NASDAQ	CRVL	Mon, Jun 30, 1997	3.19	3.25	3.19	3.19
1318	NASDAQ	CRVL	Thu, Jun 26, 1997	3.28	3.28	3.22	3.24
1317	NASDAQ	CRVL	Wed, Jun 25, 1997	3.36	3.36	3.31	3.31
1316	NASDAQ	CRVL	Tue, Jun 24, 1997	3.42	3.44	3.31	3.31
1315	NASDAQ	CRVL	Mon, Jun 23, 1997	3.50	3.50	3.33	3.33
1314	NASDAQ	CRVL	Fri, Jun 20, 1997	3.33	3.42	3.33	3.39
1313	NASDAQ	CRVL	Thu, Jun 19, 1997	3.33	3.50	3.33	3.33
1312	NASDAQ	CRVL	Wed, Jun 18, 1997	3.31	3.33	3.28	3.33
1311	NASDAQ	CRVL	Tue, Jun 17, 1997	3.28	3.33	3.26	3.33
1310	NASDAQ	CRVL	Mon, Jun 16, 1997	3.22	3.33	3.19	3.33
1309	NASDAQ	CRVL	Fri, Jun 13, 1997	3.19	3.19	3.19	3.19
1308	NASDAQ	CRVL	Thu, Jun 12, 1997	3.11	3.31	3.11	3.31
1307	NASDAQ	CRVL	Wed, Jun 11, 1997	3.17	3.22	3.11	3.17
1306	NASDAQ	CRVL	Tue, Jun 10, 1997	3.22	3.22	3.08	3.19
1305	NASDAQ	CRVL	Mon, Jun 9, 1997	3.08	3.22	3.08	3.22
1304	NASDAQ	CRVL	Fri, Jun 6, 1997	3.00	3.01	3.00	3.00
1303	NASDAQ	CRVL	Thu, Jun 5, 1997	3.00	3.00	3.00	3.00
1302	NASDAQ	CRVL	Wed, Jun 4, 1997	3.01	3.01	3.01	3.01
1301	NASDAQ	CRVL	Tue, Jun 3, 1997	2.97	2.97	2.97	2.97
1300	NASDAQ	CRVL	Mon, Jun 2, 1997	3.11	3.11	2.78	2.96
1299	NASDAQ	CRVL	Fri, May 30, 1997	3.00	3.03	3.00	3.00
1298	NASDAQ	CRVL	Thu, May 29, 1997	3.06	3.08	3.00	3.00
1297	NASDAQ	CRVL	Wed, May 28, 1997	3.11	3.11	3.06	3.06
1296	NASDAQ	CRVL	Tue, May 27, 1997	3.11	3.11	3.11	3.11
1295	NASDAQ	CRVL	Fri, May 23, 1997	3.11	3.11	3.11	3.11
1294	NASDAQ	CRVL	Thu, May 22, 1997	3.22	3.22	3.11	3.21
1293	NASDAQ	CRVL	Wed, May 21, 1997	3.11	3.11	3.11	3.11
1292	NASDAQ	CRVL	Tue, May 20, 1997	3.14	3.14	3.14	3.14
1291	NASDAQ	CRVL	Mon, May 19, 1997	2.94	3.11	2.94	3.06
1290	NASDAQ	CRVL	Thu, May 15, 1997	2.94	2.94	2.94	2.94
1289	NASDAQ	CRVL	Wed, May 14, 1997	2.94	3.01	2.94	2.99
1288	NASDAQ	CRVL	Tue, May 13, 1997	2.94	2.94	2.94	2.94
1287	NASDAQ	CRVL	Mon, May 12, 1997	2.94	3.08	2.90	3.06
1286	NASDAQ	CRVL	Fri, May 9, 1997	2.89	3.00	2.86	2.92
1285	NASDAQ	CRVL	Thu, May 8, 1997	2.86	2.86	2.86	2.86
1284	NASDAQ	CRVL	Wed, May 7, 1997	2.76	2.83	2.76	2.83
1283	NASDAQ	CRVL	Tue, May 6, 1997	2.74	2.81	2.74	2.79
1282	NASDAQ	CRVL	Mon, May 5, 1997	2.79	2.81	2.72	2.74
1281	NASDAQ	CRVL	Fri, May 2, 1997	2.79	2.83	2.78	2.78
1280	NASDAQ	CRVL	Thu, May 1, 1997	2.81	2.82	2.79	2.79
1279	NASDAQ	CRVL	Wed, Apr 30, 1997	2.76	2.78	2.76	2.76
1278	NASDAQ	CRVL	Tue, Apr 29, 1997	2.81	2.81	2.81	2.81
1277	NASDAQ	CRVL	Mon, Apr 28, 1997	2.82	2.82	2.82	2.82
1276	NASDAQ	CRVL	Fri, Apr 25, 1997	2.86	2.86	2.86	2.86
1275	NASDAQ	CRVL	Thu, Apr 24, 1997	2.82	2.82	2.82	2.82
1274	NASDAQ	CRVL	Wed, Apr 23, 1997	2.82	2.82	2.82	2.82
1273	NASDAQ	CRVL	Tue, Apr 22, 1997	2.83	2.94	2.81	2.85
1272	NASDAQ	CRVL	Mon, Apr 21, 1997	2.78	2.94	2.78	2.83
1271	NASDAQ	CRVL	Fri, Apr 18, 1997	2.67	2.67	2.67	2.67
1270	NASDAQ	CRVL	Thu, Apr 17, 1997	2.75	2.75	2.75	2.75
1269	NASDAQ	CRVL	Wed, Apr 16, 1997	2.72	2.72	2.72	2.72
1268	NASDAQ	CRVL	Tue, Apr 15, 1997	2.56	2.78	2.56	2.67
1267	NASDAQ	CRVL	Mon, Apr 14, 1997	2.65	2.65	2.56	2.56
1266	NASDAQ	CRVL	Fri, Apr 11, 1997	2.68	2.68	2.65	2.65
1265	NASDAQ	CRVL	Thu, Apr 10, 1997	2.78	2.78	2.78	2.78
1264	NASDAQ	CRVL	Wed, Apr 9, 1997	2.72	2.74	2.68	2.68
1263	NASDAQ	CRVL	Tue, Apr 8, 1997	2.67	2.67	2.67	2.67
1262	NASDAQ	CRVL	Mon, Apr 7, 1997	2.67	2.78	2.67	2.78
1261	NASDAQ	CRVL	Fri, Apr 4, 1997	2.78	2.83	2.78	2.78
1260	NASDAQ	CRVL	Thu, Apr 3, 1997	2.78	2.79	2.78	2.79
1259	NASDAQ	CRVL	Wed, Apr 2, 1997	2.83	2.83	2.78	2.78
1258	NASDAQ	CRVL	Tue, Apr 1, 1997	2.78	2.79	2.78	2.78
1257	NASDAQ	CRVL	Mon, Mar 31, 1997	2.78	2.78	2.78	2.78
1256	NASDAQ	CRVL	Thu, Mar 27, 1997	2.83	2.83	2.78	2.78
1255	NASDAQ	CRVL	Wed, Mar 26, 1997	2.75	2.76	2.75	2.76
1254	NASDAQ	CRVL	Tue, Mar 25, 1997	2.83	2.89	2.67	2.69
1253	NASDAQ	CRVL	Mon, Mar 24, 1997	2.83	2.83	2.83	2.83
1252	NASDAQ	CRVL	Fri, Mar 21, 1997	2.83	2.94	2.81	2.94
1251	NASDAQ	CRVL	Thu, Mar 20, 1997	2.89	2.89	2.72	2.81
1250	NASDAQ	CRVL	Wed, Mar 19, 1997	2.97	3.03	2.72	2.72
1249	NASDAQ	CRVL	Tue, Mar 18, 1997	3.04	3.08	2.97	2.97
1248	NASDAQ	CRVL	Mon, Mar 17, 1997	3.11	3.14	3.00	3.00
1247	NASDAQ	CRVL	Fri, Mar 14, 1997	3.22	3.22	3.11	3.11
1246	NASDAQ	CRVL	Thu, Mar 13, 1997	3.17	3.19	3.06	3.11
1245	NASDAQ	CRVL	Wed, Mar 12, 1997	3.17	3.28	3.14	3.28
1244	NASDAQ	CRVL	Tue, Mar 11, 1997	3.17	3.26	3.17	3.26
1243	NASDAQ	CRVL	Mon, Mar 10, 1997	3.22	3.24	3.19	3.19
1242	NASDAQ	CRVL	Fri, Mar 7, 1997	3.22	3.33	3.22	3.24
1241	NASDAQ	CRVL	Thu, Mar 6, 1997	3.29	3.31	3.29	3.29
1240	NASDAQ	CRVL	Wed, Mar 5, 1997	3.32	3.40	3.29	3.29
1239	NASDAQ	CRVL	Tue, Mar 4, 1997	3.18	3.28	3.18	3.25
1238	NASDAQ	CRVL	Mon, Mar 3, 1997	3.15	3.19	3.15	3.19
1237	NASDAQ	CRVL	Fri, Feb 28, 1997	3.14	3.14	3.08	3.10
1236	NASDAQ	CRVL	Thu, Feb 27, 1997	3.01	3.01	3.00	3.00
1235	NASDAQ	CRVL	Wed, Feb 26, 1997	3.08	3.08	2.97	2.97
1234	NASDAQ	CRVL	Tue, Feb 25, 1997	3.26	3.35	2.99	3.15
1233	NASDAQ	CRVL	Mon, Feb 24, 1997	3.26	3.28	3.26	3.26
1232	NASDAQ	CRVL	Fri, Feb 21, 1997	3.35	3.35	3.26	3.26
1231	NASDAQ	CRVL	Thu, Feb 20, 1997	3.26	3.35	3.26	3.28
1230	NASDAQ	CRVL	Wed, Feb 19, 1997	3.26	3.35	3.26	3.28
1229	NASDAQ	CRVL	Tue, Feb 18, 1997	3.26	3.35	3.26	3.28
1228	NASDAQ	CRVL	Fri, Feb 14, 1997	3.26	3.28	3.26	3.28
1227	NASDAQ	CRVL	Thu, Feb 13, 1997	3.26	3.28	3.26	3.26
1226	NASDAQ	CRVL	Wed, Feb 12, 1997	3.28	3.33	3.25	3.26
1225	NASDAQ	CRVL	Tue, Feb 11, 1997	3.28	3.32	3.28	3.28
1224	NASDAQ	CRVL	Mon, Feb 10, 1997	3.28	3.36	3.22	3.28
1223	NASDAQ	CRVL	Fri, Feb 7, 1997	3.06	3.19	3.06	3.17
1222	NASDAQ	CRVL	Thu, Feb 6, 1997	3.00	3.06	3.00	3.06
1221	NASDAQ	CRVL	Wed, Feb 5, 1997	3.00	3.06	2.97	3.00
1220	NASDAQ	CRVL	Tue, Feb 4, 1997	2.75	2.92	2.72	2.90
1219	NASDAQ	CRVL	Mon, Feb 3, 1997	2.75	2.83	2.72	2.72
1218	NASDAQ	CRVL	Fri, Jan 31, 1997	2.76	2.76	2.76	2.76
1217	NASDAQ	CRVL	Thu, Jan 30, 1997	2.82	2.83	2.72	2.72
1216	NASDAQ	CRVL	Wed, Jan 29, 1997	2.78	2.83	2.72	2.72
1215	NASDAQ	CRVL	Tue, Jan 28, 1997	3.00	3.00	2.86	2.86
1214	NASDAQ	CRVL	Mon, Jan 27, 1997	2.89	2.89	2.89	2.89
1213	NASDAQ	CRVL	Fri, Jan 24, 1997	2.90	2.96	2.90	2.92
1212	NASDAQ	CRVL	Thu, Jan 23, 1997	3.03	3.03	2.89	2.92
1211	NASDAQ	CRVL	Wed, Jan 22, 1997	2.78	2.89	2.78	2.89
1210	NASDAQ	CRVL	Tue, Jan 21, 1997	2.83	2.83	2.69	2.69
1209	NASDAQ	CRVL	Mon, Jan 20, 1997	2.69	2.83	2.69	2.83
1208	NASDAQ	CRVL	Fri, Jan 17, 1997	2.78	2.78	2.67	2.78
1207	NASDAQ	CRVL	Thu, Jan 16, 1997	2.78	2.78	2.67	2.78
1206	NASDAQ	CRVL	Wed, Jan 15, 1997	2.92	2.92	2.76	2.78
1205	NASDAQ	CRVL	Tue, Jan 14, 1997	2.76	2.82	2.76	2.76
1204	NASDAQ	CRVL	Mon, Jan 13, 1997	2.72	2.86	2.72	2.76
1203	NASDAQ	CRVL	Fri, Jan 10, 1997	2.92	2.92	2.72	2.85
1202	NASDAQ	CRVL	Thu, Jan 9, 1997	2.89	2.92	2.83	2.85
1201	NASDAQ	CRVL	Wed, Jan 8, 1997	3.00	3.06	2.90	2.92
1200	NASDAQ	CRVL	Tue, Jan 7, 1997	3.06	3.06	3.06	3.06
1199	NASDAQ	CRVL	Mon, Jan 6, 1997	3.06	3.08	2.97	3.06
1198	NASDAQ	CRVL	Fri, Jan 3, 1997	2.94	3.00	2.89	2.97
1197	NASDAQ	CRVL	Thu, Jan 2, 1997	3.11	3.15	2.97	2.97
1196	NASDAQ	CRVL	Tue, Dec 31, 1996	3.11	3.28	3.11	3.22
1195	NASDAQ	CRVL	Mon, Dec 30, 1996	3.17	3.17	3.06	3.13
1194	NASDAQ	CRVL	Fri, Dec 27, 1996	3.17	3.17	3.17	3.17
1193	NASDAQ	CRVL	Thu, Dec 26, 1996	3.00	3.17	3.00	3.17
1192	NASDAQ	CRVL	Tue, Dec 24, 1996	3.00	3.00	3.00	3.00
1191	NASDAQ	CRVL	Mon, Dec 23, 1996	3.03	3.17	3.00	3.03
1190	NASDAQ	CRVL	Fri, Dec 20, 1996	3.00	3.00	3.00	3.00
1189	NASDAQ	CRVL	Thu, Dec 19, 1996	3.03	3.06	3.03	3.06
1188	NASDAQ	CRVL	Wed, Dec 18, 1996	3.00	3.06	3.00	3.06
1187	NASDAQ	CRVL	Tue, Dec 17, 1996	2.86	2.97	2.86	2.97
1186	NASDAQ	CRVL	Mon, Dec 16, 1996	2.86	3.00	2.86	2.97
1185	NASDAQ	CRVL	Fri, Dec 13, 1996	2.86	2.94	2.86	2.94
1184	NASDAQ	CRVL	Thu, Dec 12, 1996	3.00	3.00	3.00	3.00
1183	NASDAQ	CRVL	Mon, Dec 9, 1996	2.97	3.04	2.97	2.99
1182	NASDAQ	CRVL	Fri, Dec 6, 1996	3.03	3.06	2.94	3.00
1181	NASDAQ	CRVL	Thu, Dec 5, 1996	3.14	3.14	3.03	3.03
1180	NASDAQ	CRVL	Wed, Dec 4, 1996	3.03	3.11	3.03	3.11
1179	NASDAQ	CRVL	Tue, Dec 3, 1996	3.03	3.06	3.00	3.03
1178	NASDAQ	CRVL	Mon, Dec 2, 1996	2.89	3.00	2.89	2.93
1177	NASDAQ	CRVL	Fri, Nov 29, 1996	2.83	2.83	2.83	2.83
1176	NASDAQ	CRVL	Wed, Nov 27, 1996	2.83	2.89	2.83	2.83
1175	NASDAQ	CRVL	Tue, Nov 26, 1996	3.03	3.05	2.72	2.79
1174	NASDAQ	CRVL	Mon, Nov 25, 1996	3.03	3.03	3.03	3.03
1173	NASDAQ	CRVL	Thu, Nov 21, 1996	3.08	3.08	3.03	3.03
1172	NASDAQ	CRVL	Wed, Nov 20, 1996	3.11	3.11	3.06	3.06
1171	NASDAQ	CRVL	Tue, Nov 19, 1996	3.11	3.11	3.11	3.11
1170	NASDAQ	CRVL	Mon, Nov 18, 1996	3.11	3.13	3.11	3.13
1169	NASDAQ	CRVL	Fri, Nov 15, 1996	3.11	3.13	3.11	3.11
1168	NASDAQ	CRVL	Thu, Nov 14, 1996	3.11	3.13	3.11	3.13
1167	NASDAQ	CRVL	Wed, Nov 13, 1996	3.14	3.17	3.11	3.13
1166	NASDAQ	CRVL	Tue, Nov 12, 1996	3.11	3.19	3.11	3.19
1165	NASDAQ	CRVL	Mon, Nov 11, 1996	3.17	3.19	3.11	3.19
1164	NASDAQ	CRVL	Fri, Nov 8, 1996	3.11	3.12	3.08	3.12
1163	NASDAQ	CRVL	Thu, Nov 7, 1996	3.11	3.17	3.11	3.17
1162	NASDAQ	CRVL	Wed, Nov 6, 1996	3.06	3.11	3.06	3.11
1161	NASDAQ	CRVL	Tue, Nov 5, 1996	3.08	3.14	3.06	3.10
1160	NASDAQ	CRVL	Mon, Nov 4, 1996	3.11	3.17	3.06	3.06
1159	NASDAQ	CRVL	Fri, Nov 1, 1996	3.19	3.19	3.19	3.19
1158	NASDAQ	CRVL	Thu, Oct 31, 1996	3.03	3.11	3.03	3.10
1157	NASDAQ	CRVL	Wed, Oct 30, 1996	3.00	3.08	3.00	3.00
1156	NASDAQ	CRVL	Tue, Oct 29, 1996	3.00	3.00	3.00	3.00
1155	NASDAQ	CRVL	Mon, Oct 28, 1996	3.11	3.11	3.10	3.10
1154	NASDAQ	CRVL	Fri, Oct 25, 1996	3.11	3.14	3.11	3.14
1153	NASDAQ	CRVL	Thu, Oct 24, 1996	3.11	3.14	3.11	3.13
1152	NASDAQ	CRVL	Wed, Oct 23, 1996	3.18	3.18	3.11	3.12
1151	NASDAQ	CRVL	Tue, Oct 22, 1996	3.28	3.28	3.06	3.11
1150	NASDAQ	CRVL	Mon, Oct 21, 1996	3.28	3.28	3.28	3.28
1149	NASDAQ	CRVL	Thu, Oct 17, 1996	3.31	3.31	3.19	3.19
1148	NASDAQ	CRVL	Wed, Oct 16, 1996	3.33	3.33	3.33	3.33
1147	NASDAQ	CRVL	Tue, Oct 15, 1996	3.42	3.42	3.33	3.33
1146	NASDAQ	CRVL	Mon, Oct 14, 1996	3.33	3.33	3.33	3.33
1145	NASDAQ	CRVL	Fri, Oct 11, 1996	3.33	3.33	3.33	3.33
1144	NASDAQ	CRVL	Thu, Oct 10, 1996	3.33	3.33	3.33	3.33
1143	NASDAQ	CRVL	Wed, Oct 9, 1996	3.42	3.42	3.33	3.40
1142	NASDAQ	CRVL	Tue, Oct 8, 1996	3.42	3.44	3.42	3.42
1141	NASDAQ	CRVL	Mon, Oct 7, 1996	3.39	3.44	3.39	3.43
1140	NASDAQ	CRVL	Fri, Oct 4, 1996	3.38	3.38	3.38	3.38
1139	NASDAQ	CRVL	Thu, Oct 3, 1996	3.42	3.42	3.38	3.38
1138	NASDAQ	CRVL	Wed, Oct 2, 1996	3.38	3.42	3.38	3.42
1137	NASDAQ	CRVL	Tue, Oct 1, 1996	3.42	3.42	3.42	3.42
1136	NASDAQ	CRVL	Mon, Sep 30, 1996	3.38	3.42	3.38	3.38
1135	NASDAQ	CRVL	Fri, Sep 27, 1996	3.38	3.38	3.38	3.38
1134	NASDAQ	CRVL	Thu, Sep 26, 1996	3.38	3.38	3.38	3.38
1133	NASDAQ	CRVL	Wed, Sep 25, 1996	3.38	3.42	3.38	3.42
1132	NASDAQ	CRVL	Tue, Sep 24, 1996	3.38	3.38	3.38	3.38
1131	NASDAQ	CRVL	Mon, Sep 23, 1996	3.38	3.42	3.38	3.40
1130	NASDAQ	CRVL	Fri, Sep 20, 1996	3.38	3.38	3.38	3.38
1129	NASDAQ	CRVL	Thu, Sep 19, 1996	3.38	3.42	3.38	3.38
1128	NASDAQ	CRVL	Wed, Sep 18, 1996	3.38	3.40	3.38	3.40
1127	NASDAQ	CRVL	Tue, Sep 17, 1996	3.38	3.39	3.38	3.39
1126	NASDAQ	CRVL	Mon, Sep 16, 1996	3.39	3.39	3.35	3.38
1125	NASDAQ	CRVL	Fri, Sep 13, 1996	3.33	3.33	3.33	3.33
1124	NASDAQ	CRVL	Wed, Sep 11, 1996	3.33	3.33	3.33	3.33
1123	NASDAQ	CRVL	Tue, Sep 10, 1996	3.33	3.33	3.33	3.33
1122	NASDAQ	CRVL	Fri, Sep 6, 1996	3.33	3.38	3.33	3.38
1121	NASDAQ	CRVL	Thu, Sep 5, 1996	3.39	3.39	3.33	3.33
1120	NASDAQ	CRVL	Wed, Sep 4, 1996	3.33	3.44	3.28	3.33
1119	NASDAQ	CRVL	Tue, Sep 3, 1996	3.31	3.44	3.31	3.33
1118	NASDAQ	CRVL	Thu, Aug 29, 1996	3.42	3.42	3.39	3.39
1117	NASDAQ	CRVL	Wed, Aug 28, 1996	3.42	3.42	3.42	3.42
1116	NASDAQ	CRVL	Mon, Aug 26, 1996	3.49	3.49	3.49	3.49
1115	NASDAQ	CRVL	Fri, Aug 23, 1996	3.44	3.44	3.44	3.44
1114	NASDAQ	CRVL	Thu, Aug 22, 1996	3.44	3.44	3.44	3.44
1113	NASDAQ	CRVL	Wed, Aug 21, 1996	3.56	3.56	3.47	3.47
1112	NASDAQ	CRVL	Mon, Aug 19, 1996	3.56	3.56	3.42	3.44
1111	NASDAQ	CRVL	Wed, Aug 14, 1996	3.42	3.42	3.39	3.39
1110	NASDAQ	CRVL	Tue, Aug 13, 1996	3.58	3.58	3.58	3.58
1109	NASDAQ	CRVL	Mon, Aug 12, 1996	3.58	3.69	3.58	3.58
1108	NASDAQ	CRVL	Fri, Aug 9, 1996	3.61	3.67	3.61	3.67
1107	NASDAQ	CRVL	Thu, Aug 8, 1996	3.69	3.69	3.61	3.61
1106	NASDAQ	CRVL	Wed, Aug 7, 1996	3.56	3.83	3.56	3.78
1105	NASDAQ	CRVL	Mon, Aug 5, 1996	3.56	3.61	3.56	3.56
1104	NASDAQ	CRVL	Fri, Aug 2, 1996	3.40	3.40	3.40	3.40
1103	NASDAQ	CRVL	Wed, Jul 31, 1996	3.39	3.47	3.39	3.44
1102	NASDAQ	CRVL	Tue, Jul 30, 1996	3.22	3.39	3.22	3.39
1101	NASDAQ	CRVL	Mon, Jul 29, 1996	3.39	3.39	3.22	3.22
1100	NASDAQ	CRVL	Fri, Jul 26, 1996	3.33	3.35	3.33	3.33
1099	NASDAQ	CRVL	Thu, Jul 25, 1996	3.22	3.22	3.22	3.22
1098	NASDAQ	CRVL	Wed, Jul 24, 1996	3.11	3.11	3.11	3.11
1097	NASDAQ	CRVL	Tue, Jul 23, 1996	3.25	3.25	3.25	3.25
1096	NASDAQ	CRVL	Mon, Jul 22, 1996	3.19	3.19	3.19	3.19
1095	NASDAQ	CRVL	Fri, Jul 19, 1996	3.04	3.14	3.04	3.14
1094	NASDAQ	CRVL	Thu, Jul 18, 1996	3.04	3.14	3.04	3.14
1093	NASDAQ	CRVL	Wed, Jul 17, 1996	3.06	3.06	3.06	3.06
1092	NASDAQ	CRVL	Tue, Jul 16, 1996	3.06	3.07	2.94	2.94
1091	NASDAQ	CRVL	Mon, Jul 15, 1996	3.13	3.22	3.11	3.11
1090	NASDAQ	CRVL	Fri, Jul 12, 1996	3.25	3.25	3.25	3.25
1089	NASDAQ	CRVL	Thu, Jul 11, 1996	3.50	3.50	3.11	3.11
1088	NASDAQ	CRVL	Wed, Jul 10, 1996	3.69	3.69	3.50	3.50
1087	NASDAQ	CRVL	Tue, Jul 9, 1996	3.69	3.69	3.69	3.69
1086	NASDAQ	CRVL	Mon, Jul 8, 1996	3.78	3.78	3.78	3.78
1085	NASDAQ	CRVL	Fri, Jul 5, 1996	3.72	3.72	3.72	3.72
1084	NASDAQ	CRVL	Wed, Jul 3, 1996	3.83	3.97	3.83	3.89
1083	NASDAQ	CRVL	Tue, Jul 2, 1996	3.84	3.84	3.84	3.84
1082	NASDAQ	CRVL	Mon, Jul 1, 1996	3.83	3.83	3.83	3.83
1081	NASDAQ	CRVL	Fri, Jun 28, 1996	3.78	3.97	3.78	3.97
1080	NASDAQ	CRVL	Thu, Jun 27, 1996	3.89	3.89	3.78	3.78
1079	NASDAQ	CRVL	Wed, Jun 26, 1996	3.78	3.78	3.78	3.78
1078	NASDAQ	CRVL	Tue, Jun 25, 1996	3.83	3.83	3.78	3.78
1077	NASDAQ	CRVL	Mon, Jun 24, 1996	3.83	3.83	3.83	3.83
1076	NASDAQ	CRVL	Fri, Jun 21, 1996	3.96	3.96	3.89	3.89
1075	NASDAQ	CRVL	Thu, Jun 20, 1996	3.89	3.96	3.89	3.92
1074	NASDAQ	CRVL	Wed, Jun 19, 1996	3.89	4.03	3.89	4.03
1073	NASDAQ	CRVL	Tue, Jun 18, 1996	3.89	4.03	3.89	3.90
1072	NASDAQ	CRVL	Mon, Jun 17, 1996	3.89	3.93	3.89	3.89
1071	NASDAQ	CRVL	Fri, Jun 14, 1996	3.97	3.97	3.86	3.97
1070	NASDAQ	CRVL	Thu, Jun 13, 1996	3.81	3.97	3.81	3.97
1069	NASDAQ	CRVL	Wed, Jun 12, 1996	3.81	3.81	3.81	3.81
1068	NASDAQ	CRVL	Tue, Jun 11, 1996	3.75	3.92	3.75	3.89
1067	NASDAQ	CRVL	Mon, Jun 10, 1996	3.75	3.92	3.75	3.85
1066	NASDAQ	CRVL	Fri, Jun 7, 1996	3.75	3.89	3.75	3.75
1065	NASDAQ	CRVL	Thu, Jun 6, 1996	3.68	3.89	3.67	3.78
1064	NASDAQ	CRVL	Wed, Jun 5, 1996	3.61	3.67	3.61	3.67
1063	NASDAQ	CRVL	Tue, Jun 4, 1996	3.72	3.72	3.72	3.72
1062	NASDAQ	CRVL	Fri, May 31, 1996	3.72	3.72	3.67	3.67
1061	NASDAQ	CRVL	Thu, May 30, 1996	3.61	3.61	3.61	3.61
1060	NASDAQ	CRVL	Wed, May 29, 1996	3.44	3.61	3.44	3.61
1059	NASDAQ	CRVL	Tue, May 28, 1996	3.60	3.60	3.47	3.47
1058	NASDAQ	CRVL	Fri, May 24, 1996	3.44	3.44	3.44	3.44
1057	NASDAQ	CRVL	Thu, May 23, 1996	3.42	3.42	3.42	3.42
1056	NASDAQ	CRVL	Wed, May 22, 1996	3.44	3.44	3.44	3.44
1055	NASDAQ	CRVL	Tue, May 21, 1996	3.42	3.42	3.42	3.42
1054	NASDAQ	CRVL	Mon, May 20, 1996	3.54	3.54	3.42	3.42
1053	NASDAQ	CRVL	Fri, May 17, 1996	3.54	3.54	3.54	3.54
1052	NASDAQ	CRVL	Thu, May 16, 1996	3.43	3.43	3.43	3.43
1051	NASDAQ	CRVL	Wed, May 15, 1996	3.43	3.43	3.35	3.43
1050	NASDAQ	CRVL	Tue, May 14, 1996	3.33	3.43	3.33	3.43
1049	NASDAQ	CRVL	Mon, May 13, 1996	3.43	3.43	3.29	3.29
1048	NASDAQ	CRVL	Fri, May 10, 1996	3.43	3.43	3.28	3.33
1047	NASDAQ	CRVL	Thu, May 9, 1996	3.28	3.28	3.28	3.28
1046	NASDAQ	CRVL	Wed, May 8, 1996	3.47	3.47	3.32	3.40
1045	NASDAQ	CRVL	Tue, May 7, 1996	3.32	3.47	3.32	3.47
1044	NASDAQ	CRVL	Mon, May 6, 1996	3.40	3.47	3.40	3.40
1043	NASDAQ	CRVL	Fri, May 3, 1996	3.32	3.32	3.32	3.32
1042	NASDAQ	CRVL	Thu, May 2, 1996	3.42	3.42	3.32	3.38
1041	NASDAQ	CRVL	Wed, May 1, 1996	3.32	3.42	3.32	3.42
1040	NASDAQ	CRVL	Tue, Apr 30, 1996	3.32	3.32	3.32	3.32
1039	NASDAQ	CRVL	Mon, Apr 29, 1996	3.31	3.31	3.31	3.31
1038	NASDAQ	CRVL	Fri, Apr 26, 1996	3.35	3.39	3.31	3.33
1037	NASDAQ	CRVL	Thu, Apr 25, 1996	3.35	3.35	3.35	3.35
1036	NASDAQ	CRVL	Wed, Apr 24, 1996	3.47	3.47	3.35	3.35
1035	NASDAQ	CRVL	Tue, Apr 23, 1996	3.31	3.47	3.31	3.47
1034	NASDAQ	CRVL	Mon, Apr 22, 1996	3.31	3.31	3.31	3.31
1033	NASDAQ	CRVL	Fri, Apr 19, 1996	3.31	3.36	3.28	3.33
1032	NASDAQ	CRVL	Thu, Apr 18, 1996	3.31	3.33	3.31	3.33
1031	NASDAQ	CRVL	Wed, Apr 17, 1996	3.31	3.33	3.31	3.33
1030	NASDAQ	CRVL	Tue, Apr 16, 1996	3.31	3.33	3.31	3.33
1029	NASDAQ	CRVL	Mon, Apr 15, 1996	3.31	3.31	3.31	3.31
1028	NASDAQ	CRVL	Fri, Apr 12, 1996	3.24	3.44	3.17	3.44
1027	NASDAQ	CRVL	Thu, Apr 11, 1996	3.31	3.32	3.28	3.28
1026	NASDAQ	CRVL	Wed, Apr 10, 1996	3.39	3.39	3.28	3.33
1025	NASDAQ	CRVL	Tue, Apr 9, 1996	3.39	3.39	3.39	3.39
1024	NASDAQ	CRVL	Mon, Apr 8, 1996	3.44	3.44	3.44	3.44
1023	NASDAQ	CRVL	Thu, Apr 4, 1996	3.56	3.63	3.53	3.56
1022	NASDAQ	CRVL	Wed, Apr 3, 1996	3.57	3.67	3.56	3.56
1021	NASDAQ	CRVL	Tue, Apr 2, 1996	3.56	3.57	3.56	3.57
1020	NASDAQ	CRVL	Mon, Apr 1, 1996	3.72	3.72	3.56	3.69
1019	NASDAQ	CRVL	Fri, Mar 29, 1996	3.58	3.94	3.50	3.89
1018	NASDAQ	CRVL	Thu, Mar 28, 1996	3.42	3.43	3.42	3.42
1017	NASDAQ	CRVL	Wed, Mar 27, 1996	3.42	3.47	3.42	3.47
1016	NASDAQ	CRVL	Tue, Mar 26, 1996	3.42	3.42	3.42	3.42
1015	NASDAQ	CRVL	Mon, Mar 25, 1996	3.43	3.44	3.43	3.43
1014	NASDAQ	CRVL	Fri, Mar 22, 1996	3.42	3.56	3.42	3.50
1013	NASDAQ	CRVL	Thu, Mar 21, 1996	3.42	3.42	3.42	3.42
1012	NASDAQ	CRVL	Wed, Mar 20, 1996	3.47	3.49	3.42	3.49
1011	NASDAQ	CRVL	Tue, Mar 19, 1996	3.42	3.44	3.42	3.44
1010	NASDAQ	CRVL	Mon, Mar 18, 1996	3.44	3.44	3.39	3.44
1009	NASDAQ	CRVL	Fri, Mar 15, 1996	3.28	3.44	3.28	3.44
1008	NASDAQ	CRVL	Thu, Mar 14, 1996	3.28	3.28	3.28	3.28
1007	NASDAQ	CRVL	Wed, Mar 13, 1996	3.28	3.31	3.28	3.28
1006	NASDAQ	CRVL	Tue, Mar 12, 1996	3.28	3.44	3.28	3.33
1005	NASDAQ	CRVL	Mon, Mar 11, 1996	3.28	3.28	3.28	3.28
1004	NASDAQ	CRVL	Fri, Mar 8, 1996	3.33	3.36	3.28	3.28
1003	NASDAQ	CRVL	Thu, Mar 7, 1996	3.39	3.39	3.39	3.39
1002	NASDAQ	CRVL	Wed, Mar 6, 1996	3.39	3.39	3.39	3.39
1001	NASDAQ	CRVL	Tue, Mar 5, 1996	3.39	3.39	3.39	3.39
1000	NASDAQ	CRVL	Mon, Mar 4, 1996	3.47	3.47	3.39	3.46
999	NASDAQ	CRVL	Fri, Mar 1, 1996	3.39	3.39	3.39	3.39
998	NASDAQ	CRVL	Thu, Feb 29, 1996	3.39	3.53	3.39	3.39
997	NASDAQ	CRVL	Wed, Feb 28, 1996	3.44	3.44	3.39	3.39
996	NASDAQ	CRVL	Tue, Feb 27, 1996	3.25	3.42	3.25	3.42
995	NASDAQ	CRVL	Mon, Feb 26, 1996	3.17	3.36	3.17	3.36
994	NASDAQ	CRVL	Fri, Feb 23, 1996	3.11	3.19	3.11	3.19
993	NASDAQ	CRVL	Thu, Feb 22, 1996	3.11	3.11	3.11	3.11
992	NASDAQ	CRVL	Wed, Feb 21, 1996	3.11	3.11	3.11	3.11
991	NASDAQ	CRVL	Tue, Feb 20, 1996	3.11	3.18	3.11	3.18
990	NASDAQ	CRVL	Fri, Feb 16, 1996	3.14	3.22	3.11	3.22
989	NASDAQ	CRVL	Thu, Feb 15, 1996	3.22	3.22	3.17	3.17
988	NASDAQ	CRVL	Wed, Feb 14, 1996	3.11	3.22	3.11	3.22
987	NASDAQ	CRVL	Tue, Feb 13, 1996	3.18	3.22	3.17	3.17
986	NASDAQ	CRVL	Mon, Feb 12, 1996	3.22	3.22	3.11	3.11
985	NASDAQ	CRVL	Fri, Feb 9, 1996	3.11	3.11	3.11	3.11
984	NASDAQ	CRVL	Thu, Feb 8, 1996	3.22	3.22	3.17	3.19
983	NASDAQ	CRVL	Wed, Feb 7, 1996	3.22	3.22	3.22	3.22
982	NASDAQ	CRVL	Tue, Feb 6, 1996	3.11	3.11	3.11	3.11
981	NASDAQ	CRVL	Mon, Feb 5, 1996	3.11	3.14	3.11	3.14
980	NASDAQ	CRVL	Fri, Feb 2, 1996	3.11	3.22	3.11	3.17
979	NASDAQ	CRVL	Thu, Feb 1, 1996	3.11	3.22	3.11	3.13
978	NASDAQ	CRVL	Wed, Jan 31, 1996	3.06	3.22	3.06	3.22
977	NASDAQ	CRVL	Tue, Jan 30, 1996	3.10	3.11	3.10	3.11
976	NASDAQ	CRVL	Mon, Jan 29, 1996	3.06	3.06	3.06	3.06
975	NASDAQ	CRVL	Fri, Jan 26, 1996	3.14	3.14	3.14	3.14
974	NASDAQ	CRVL	Thu, Jan 25, 1996	3.17	3.22	3.10	3.22
973	NASDAQ	CRVL	Wed, Jan 24, 1996	3.25	3.39	3.11	3.17
972	NASDAQ	CRVL	Tue, Jan 23, 1996	3.17	3.44	3.17	3.26
971	NASDAQ	CRVL	Fri, Jan 19, 1996	3.64	3.64	3.61	3.61
970	NASDAQ	CRVL	Thu, Jan 18, 1996	3.64	3.72	3.56	3.61
969	NASDAQ	CRVL	Wed, Jan 17, 1996	3.64	3.64	3.61	3.64
968	NASDAQ	CRVL	Tue, Jan 16, 1996	3.56	3.61	3.53	3.61
967	NASDAQ	CRVL	Mon, Jan 15, 1996	3.61	3.61	3.61	3.61
966	NASDAQ	CRVL	Fri, Jan 12, 1996	3.50	3.61	3.47	3.61
965	NASDAQ	CRVL	Thu, Jan 11, 1996	3.67	3.69	3.47	3.47
964	NASDAQ	CRVL	Wed, Jan 10, 1996	3.86	3.86	3.69	3.72
963	NASDAQ	CRVL	Tue, Jan 9, 1996	3.96	3.96	3.83	3.86
962	NASDAQ	CRVL	Mon, Jan 8, 1996	4.06	4.08	3.86	3.93
961	NASDAQ	CRVL	Fri, Jan 5, 1996	4.08	4.08	3.94	4.00
960	NASDAQ	CRVL	Thu, Jan 4, 1996	3.94	4.08	3.94	4.08
959	NASDAQ	CRVL	Wed, Jan 3, 1996	4.00	4.08	4.00	4.00
958	NASDAQ	CRVL	Tue, Jan 2, 1996	4.15	4.22	4.00	4.00
957	NASDAQ	CRVL	Fri, Dec 29, 1995	3.89	4.24	3.83	4.24
956	NASDAQ	CRVL	Thu, Dec 28, 1995	3.78	3.94	3.78	3.89
955	NASDAQ	CRVL	Wed, Dec 27, 1995	3.72	4.06	3.72	3.85
954	NASDAQ	CRVL	Tue, Dec 26, 1995	3.67	3.76	3.67	3.76
953	NASDAQ	CRVL	Fri, Dec 22, 1995	3.72	3.72	3.72	3.72
952	NASDAQ	CRVL	Thu, Dec 21, 1995	3.78	3.78	3.78	3.78
951	NASDAQ	CRVL	Wed, Dec 20, 1995	3.78	3.78	3.67	3.76
950	NASDAQ	CRVL	Tue, Dec 19, 1995	3.78	3.78	3.78	3.78
949	NASDAQ	CRVL	Mon, Dec 18, 1995	3.72	3.72	3.72	3.72
948	NASDAQ	CRVL	Thu, Dec 14, 1995	3.67	3.68	3.56	3.68
947	NASDAQ	CRVL	Wed, Dec 13, 1995	3.56	3.78	3.56	3.78
946	NASDAQ	CRVL	Tue, Dec 12, 1995	3.64	3.64	3.64	3.64
945	NASDAQ	CRVL	Mon, Dec 11, 1995	3.64	3.64	3.64	3.64
944	NASDAQ	CRVL	Fri, Dec 8, 1995	3.56	3.64	3.56	3.64
943	NASDAQ	CRVL	Thu, Dec 7, 1995	3.56	3.56	3.56	3.56
942	NASDAQ	CRVL	Wed, Dec 6, 1995	3.47	3.67	3.47	3.67
941	NASDAQ	CRVL	Tue, Dec 5, 1995	3.61	3.61	3.47	3.47
940	NASDAQ	CRVL	Mon, Dec 4, 1995	3.61	3.61	3.56	3.56
939	NASDAQ	CRVL	Fri, Dec 1, 1995	3.56	3.64	3.50	3.64
938	NASDAQ	CRVL	Thu, Nov 30, 1995	3.72	3.72	3.60	3.60
937	NASDAQ	CRVL	Wed, Nov 29, 1995	3.56	3.72	3.50	3.56
936	NASDAQ	CRVL	Tue, Nov 28, 1995	3.44	3.53	3.44	3.44
935	NASDAQ	CRVL	Mon, Nov 27, 1995	3.39	3.50	3.39	3.44
934	NASDAQ	CRVL	Fri, Nov 24, 1995	3.56	3.56	3.50	3.50
933	NASDAQ	CRVL	Wed, Nov 22, 1995	3.56	3.67	3.54	3.56
932	NASDAQ	CRVL	Tue, Nov 21, 1995	3.69	3.81	3.64	3.69
931	NASDAQ	CRVL	Mon, Nov 20, 1995	3.81	3.81	3.69	3.69
930	NASDAQ	CRVL	Fri, Nov 17, 1995	3.81	3.81	3.69	3.81
929	NASDAQ	CRVL	Thu, Nov 16, 1995	3.86	3.92	3.67	3.69
928	NASDAQ	CRVL	Wed, Nov 15, 1995	3.92	3.92	3.83	3.86
927	NASDAQ	CRVL	Tue, Nov 14, 1995	3.81	3.94	3.75	3.92
926	NASDAQ	CRVL	Mon, Nov 13, 1995	3.75	3.97	3.75	3.89
925	NASDAQ	CRVL	Fri, Nov 10, 1995	3.92	3.92	3.74	3.79
924	NASDAQ	CRVL	Thu, Nov 9, 1995	3.89	3.94	3.83	3.89
923	NASDAQ	CRVL	Wed, Nov 8, 1995	3.64	3.83	3.56	3.81
922	NASDAQ	CRVL	Tue, Nov 7, 1995	3.53	3.61	3.46	3.56
921	NASDAQ	CRVL	Mon, Nov 6, 1995	3.53	3.53	3.46	3.53
920	NASDAQ	CRVL	Fri, Nov 3, 1995	3.53	3.53	3.47	3.53
919	NASDAQ	CRVL	Thu, Nov 2, 1995	3.67	3.67	3.42	3.42
918	NASDAQ	CRVL	Wed, Nov 1, 1995	3.42	3.50	3.42	3.50
917	NASDAQ	CRVL	Tue, Oct 31, 1995	3.56	3.56	3.56	3.56
916	NASDAQ	CRVL	Mon, Oct 30, 1995	3.61	3.61	3.53	3.53
915	NASDAQ	CRVL	Fri, Oct 27, 1995	3.56	3.61	3.47	3.47
914	NASDAQ	CRVL	Thu, Oct 26, 1995	3.47	3.61	3.47	3.50
913	NASDAQ	CRVL	Wed, Oct 25, 1995	3.53	3.53	3.47	3.47
912	NASDAQ	CRVL	Tue, Oct 24, 1995	3.50	3.60	3.44	3.56
911	NASDAQ	CRVL	Mon, Oct 23, 1995	3.42	3.50	3.42	3.50
910	NASDAQ	CRVL	Fri, Oct 20, 1995	3.47	3.47	3.47	3.47
909	NASDAQ	CRVL	Thu, Oct 19, 1995	3.44	3.44	3.44	3.44
908	NASDAQ	CRVL	Wed, Oct 18, 1995	3.31	3.36	3.31	3.32
907	NASDAQ	CRVL	Tue, Oct 17, 1995	3.33	3.33	3.31	3.33
906	NASDAQ	CRVL	Mon, Oct 16, 1995	3.31	3.31	3.31	3.31
905	NASDAQ	CRVL	Fri, Oct 13, 1995	3.31	3.36	3.31	3.36
904	NASDAQ	CRVL	Wed, Oct 11, 1995	3.32	3.32	3.28	3.32
903	NASDAQ	CRVL	Tue, Oct 10, 1995	3.29	3.29	3.28	3.28
902	NASDAQ	CRVL	Mon, Oct 9, 1995	3.33	3.42	3.33	3.33
901	NASDAQ	CRVL	Fri, Oct 6, 1995	3.42	3.42	3.33	3.39
900	NASDAQ	CRVL	Wed, Oct 4, 1995	3.28	3.39	3.28	3.33
899	NASDAQ	CRVL	Tue, Oct 3, 1995	3.25	3.33	3.25	3.33
898	NASDAQ	CRVL	Mon, Oct 2, 1995	3.39	3.50	3.25	3.25
897	NASDAQ	CRVL	Fri, Sep 29, 1995	3.33	3.44	3.33	3.39
896	NASDAQ	CRVL	Thu, Sep 28, 1995	3.33	3.33	3.33	3.33
895	NASDAQ	CRVL	Wed, Sep 27, 1995	3.33	3.38	3.33	3.38
894	NASDAQ	CRVL	Tue, Sep 26, 1995	3.40	3.44	3.33	3.40
893	NASDAQ	CRVL	Mon, Sep 25, 1995	3.44	3.44	3.33	3.44
892	NASDAQ	CRVL	Fri, Sep 22, 1995	3.33	3.39	3.33	3.34
891	NASDAQ	CRVL	Thu, Sep 21, 1995	3.50	3.50	3.39	3.39
890	NASDAQ	CRVL	Wed, Sep 20, 1995	3.40	3.56	3.40	3.50
889	NASDAQ	CRVL	Tue, Sep 19, 1995	3.28	3.53	3.28	3.53
888	NASDAQ	CRVL	Mon, Sep 18, 1995	3.22	3.33	3.22	3.33
887	NASDAQ	CRVL	Fri, Sep 15, 1995	3.36	3.39	3.22	3.22
886	NASDAQ	CRVL	Thu, Sep 14, 1995	3.39	3.39	3.17	3.28
885	NASDAQ	CRVL	Wed, Sep 13, 1995	3.33	3.33	3.33	3.33
884	NASDAQ	CRVL	Tue, Sep 12, 1995	3.39	3.44	3.31	3.38
883	NASDAQ	CRVL	Mon, Sep 11, 1995	3.22	3.44	3.22	3.33
882	NASDAQ	CRVL	Fri, Sep 8, 1995	3.31	3.39	3.22	3.22
881	NASDAQ	CRVL	Thu, Sep 7, 1995	3.14	3.22	3.08	3.19
880	NASDAQ	CRVL	Wed, Sep 6, 1995	3.03	3.08	2.97	3.08
879	NASDAQ	CRVL	Tue, Sep 5, 1995	2.97	2.97	2.97	2.97
878	NASDAQ	CRVL	Fri, Sep 1, 1995	3.03	3.03	3.03	3.03
877	NASDAQ	CRVL	Thu, Aug 31, 1995	3.00	3.06	3.00	3.00
876	NASDAQ	CRVL	Wed, Aug 30, 1995	3.00	3.00	3.00	3.00
875	NASDAQ	CRVL	Mon, Aug 28, 1995	3.08	3.08	3.00	3.00
874	NASDAQ	CRVL	Fri, Aug 25, 1995	3.00	3.06	3.00	3.06
873	NASDAQ	CRVL	Thu, Aug 24, 1995	3.04	3.04	3.04	3.04
872	NASDAQ	CRVL	Wed, Aug 23, 1995	3.00	3.06	3.00	3.06
871	NASDAQ	CRVL	Mon, Aug 21, 1995	3.17	3.17	3.04	3.04
870	NASDAQ	CRVL	Fri, Aug 18, 1995	3.00	3.03	3.00	3.00
869	NASDAQ	CRVL	Thu, Aug 17, 1995	3.17	3.17	3.06	3.10
868	NASDAQ	CRVL	Wed, Aug 16, 1995	3.17	3.17	3.00	3.08
867	NASDAQ	CRVL	Tue, Aug 15, 1995	3.00	3.17	3.00	3.08
866	NASDAQ	CRVL	Mon, Aug 14, 1995	2.89	3.00	2.89	3.00
865	NASDAQ	CRVL	Fri, Aug 11, 1995	2.89	2.94	2.89	2.94
864	NASDAQ	CRVL	Thu, Aug 10, 1995	2.89	2.97	2.89	2.89
863	NASDAQ	CRVL	Wed, Aug 9, 1995	2.89	3.00	2.89	3.00
862	NASDAQ	CRVL	Tue, Aug 8, 1995	2.97	3.00	2.97	3.00
861	NASDAQ	CRVL	Mon, Aug 7, 1995	2.89	2.99	2.89	2.99
860	NASDAQ	CRVL	Fri, Aug 4, 1995	2.93	2.93	2.89	2.89
859	NASDAQ	CRVL	Thu, Aug 3, 1995	2.83	2.97	2.83	2.83
858	NASDAQ	CRVL	Wed, Aug 2, 1995	2.97	3.03	2.97	2.97
857	NASDAQ	CRVL	Tue, Aug 1, 1995	2.97	2.97	2.97	2.97
856	NASDAQ	CRVL	Mon, Jul 31, 1995	3.04	3.04	3.00	3.00
855	NASDAQ	CRVL	Fri, Jul 28, 1995	2.89	2.97	2.75	2.97
854	NASDAQ	CRVL	Thu, Jul 27, 1995	2.89	2.89	2.75	2.75
853	NASDAQ	CRVL	Wed, Jul 26, 1995	2.78	2.89	2.75	2.89
852	NASDAQ	CRVL	Tue, Jul 25, 1995	2.89	2.89	2.78	2.89
851	NASDAQ	CRVL	Mon, Jul 24, 1995	2.75	2.89	2.75	2.89
850	NASDAQ	CRVL	Fri, Jul 21, 1995	2.75	2.92	2.75	2.89
849	NASDAQ	CRVL	Thu, Jul 20, 1995	2.78	2.78	2.69	2.78
848	NASDAQ	CRVL	Wed, Jul 19, 1995	2.69	2.78	2.69	2.78
847	NASDAQ	CRVL	Tue, Jul 18, 1995	2.78	2.82	2.75	2.81
846	NASDAQ	CRVL	Mon, Jul 17, 1995	2.56	2.86	2.53	2.78
845	NASDAQ	CRVL	Fri, Jul 14, 1995	2.53	2.53	2.53	2.53
844	NASDAQ	CRVL	Thu, Jul 13, 1995	2.42	2.56	2.39	2.56
843	NASDAQ	CRVL	Wed, Jul 12, 1995	2.40	2.47	2.33	2.42
842	NASDAQ	CRVL	Tue, Jul 11, 1995	2.44	2.47	2.33	2.33
841	NASDAQ	CRVL	Mon, Jul 10, 1995	2.44	2.44	2.33	2.44
840	NASDAQ	CRVL	Fri, Jul 7, 1995	2.44	2.44	2.36	2.39
839	NASDAQ	CRVL	Thu, Jul 6, 1995	2.56	2.58	2.42	2.44
838	NASDAQ	CRVL	Wed, Jul 5, 1995	2.58	2.58	2.44	2.51
837	NASDAQ	CRVL	Mon, Jul 3, 1995	2.50	2.50	2.44	2.44
836	NASDAQ	CRVL	Fri, Jun 30, 1995	2.44	2.44	2.31	2.39
835	NASDAQ	CRVL	Thu, Jun 29, 1995	2.31	2.42	2.31	2.33
834	NASDAQ	CRVL	Wed, Jun 28, 1995	2.22	2.39	2.21	2.39
833	NASDAQ	CRVL	Tue, Jun 27, 1995	2.50	2.50	2.39	2.39
832	NASDAQ	CRVL	Mon, Jun 26, 1995	2.53	2.53	2.39	2.48
831	NASDAQ	CRVL	Fri, Jun 23, 1995	2.47	2.53	2.42	2.47
830	NASDAQ	CRVL	Thu, Jun 22, 1995	2.42	2.56	2.42	2.56
829	NASDAQ	CRVL	Wed, Jun 21, 1995	2.56	2.56	2.42	2.53
828	NASDAQ	CRVL	Tue, Jun 20, 1995	2.44	2.46	2.42	2.42
827	NASDAQ	CRVL	Mon, Jun 19, 1995	2.44	2.50	2.39	2.50
826	NASDAQ	CRVL	Fri, Jun 16, 1995	2.33	2.39	2.33	2.39
825	NASDAQ	CRVL	Thu, Jun 15, 1995	2.33	2.39	2.22	2.33
824	NASDAQ	CRVL	Wed, Jun 14, 1995	2.42	2.42	2.33	2.33
823	NASDAQ	CRVL	Tue, Jun 13, 1995	2.46	2.46	2.42	2.42
822	NASDAQ	CRVL	Fri, Jun 9, 1995	2.44	2.50	2.42	2.44
821	NASDAQ	CRVL	Thu, Jun 8, 1995	2.44	2.44	2.44	2.44
820	NASDAQ	CRVL	Wed, Jun 7, 1995	2.47	2.47	2.43	2.43
819	NASDAQ	CRVL	Tue, Jun 6, 1995	2.47	2.53	2.42	2.47
818	NASDAQ	CRVL	Mon, Jun 5, 1995	2.47	2.47	2.42	2.47
817	NASDAQ	CRVL	Fri, Jun 2, 1995	2.51	2.51	2.51	2.51
816	NASDAQ	CRVL	Wed, May 31, 1995	2.53	2.53	2.42	2.42
815	NASDAQ	CRVL	Tue, May 30, 1995	2.42	2.42	2.42	2.42
814	NASDAQ	CRVL	Thu, May 25, 1995	2.42	2.42	2.42	2.42
813	NASDAQ	CRVL	Tue, May 23, 1995	2.42	2.42	2.42	2.42
812	NASDAQ	CRVL	Mon, May 22, 1995	2.50	2.53	2.50	2.50
811	NASDAQ	CRVL	Fri, May 19, 1995	2.44	2.53	2.42	2.53
810	NASDAQ	CRVL	Thu, May 18, 1995	2.53	2.53	2.53	2.53
809	NASDAQ	CRVL	Wed, May 17, 1995	2.50	2.53	2.44	2.53
808	NASDAQ	CRVL	Tue, May 16, 1995	2.42	2.50	2.42	2.50
807	NASDAQ	CRVL	Mon, May 15, 1995	2.53	2.53	2.42	2.42
806	NASDAQ	CRVL	Fri, May 12, 1995	2.53	2.53	2.42	2.50
805	NASDAQ	CRVL	Thu, May 11, 1995	2.53	2.53	2.39	2.53
804	NASDAQ	CRVL	Wed, May 10, 1995	2.44	2.53	2.39	2.53
803	NASDAQ	CRVL	Tue, May 9, 1995	2.44	2.58	2.44	2.44
802	NASDAQ	CRVL	Mon, May 8, 1995	2.42	2.47	2.42	2.42
801	NASDAQ	CRVL	Fri, May 5, 1995	2.75	2.89	2.42	2.47
800	NASDAQ	CRVL	Wed, May 3, 1995	2.75	2.75	2.75	2.75
799	NASDAQ	CRVL	Fri, Apr 28, 1995	2.86	2.86	2.75	2.75
798	NASDAQ	CRVL	Thu, Apr 27, 1995	2.86	2.89	2.86	2.89
797	NASDAQ	CRVL	Wed, Apr 26, 1995	2.89	2.89	2.86	2.86
796	NASDAQ	CRVL	Tue, Apr 25, 1995	2.86	2.86	2.86	2.86
795	NASDAQ	CRVL	Mon, Apr 24, 1995	2.89	2.89	2.86	2.86
794	NASDAQ	CRVL	Fri, Apr 21, 1995	2.64	2.72	2.64	2.67
793	NASDAQ	CRVL	Thu, Apr 20, 1995	2.72	2.72	2.56	2.67
792	NASDAQ	CRVL	Wed, Apr 19, 1995	2.94	2.94	2.77	2.78
791	NASDAQ	CRVL	Tue, Apr 18, 1995	2.97	3.00	2.94	2.94
790	NASDAQ	CRVL	Mon, Apr 17, 1995	3.17	3.17	3.00	3.00
789	NASDAQ	CRVL	Thu, Apr 13, 1995	3.06	3.06	3.06	3.06
788	NASDAQ	CRVL	Wed, Apr 12, 1995	3.06	3.06	3.06	3.06
787	NASDAQ	CRVL	Tue, Apr 11, 1995	3.08	3.11	3.06	3.11
786	NASDAQ	CRVL	Mon, Apr 10, 1995	3.08	3.17	3.06	3.06
785	NASDAQ	CRVL	Fri, Apr 7, 1995	3.11	3.11	3.08	3.08
784	NASDAQ	CRVL	Thu, Apr 6, 1995	3.06	3.11	3.06	3.06
783	NASDAQ	CRVL	Wed, Apr 5, 1995	3.06	3.14	3.06	3.06
782	NASDAQ	CRVL	Tue, Apr 4, 1995	3.06	3.14	3.06	3.14
781	NASDAQ	CRVL	Mon, Apr 3, 1995	3.06	3.06	3.06	3.06
780	NASDAQ	CRVL	Fri, Mar 31, 1995	3.06	3.14	3.06	3.14
779	NASDAQ	CRVL	Thu, Mar 30, 1995	3.14	3.14	3.14	3.14
778	NASDAQ	CRVL	Wed, Mar 29, 1995	3.06	3.06	3.06	3.06
777	NASDAQ	CRVL	Tue, Mar 28, 1995	3.11	3.13	3.08	3.13
776	NASDAQ	CRVL	Mon, Mar 27, 1995	3.07	3.07	3.06	3.06
775	NASDAQ	CRVL	Fri, Mar 24, 1995	3.06	3.11	3.06	3.11
774	NASDAQ	CRVL	Wed, Mar 22, 1995	3.11	3.14	3.06	3.14
773	NASDAQ	CRVL	Tue, Mar 21, 1995	3.06	3.14	3.06	3.11
772	NASDAQ	CRVL	Fri, Mar 17, 1995	3.08	3.11	3.08	3.11
771	NASDAQ	CRVL	Wed, Mar 15, 1995	3.08	3.11	3.08	3.11
770	NASDAQ	CRVL	Tue, Mar 14, 1995	3.06	3.19	3.06	3.19
769	NASDAQ	CRVL	Mon, Mar 13, 1995	3.17	3.19	3.06	3.06
768	NASDAQ	CRVL	Thu, Mar 9, 1995	3.06	3.10	3.06	3.10
767	NASDAQ	CRVL	Wed, Mar 8, 1995	3.06	3.06	3.06	3.06
766	NASDAQ	CRVL	Tue, Mar 7, 1995	3.03	3.03	3.03	3.03
765	NASDAQ	CRVL	Mon, Mar 6, 1995	3.03	3.03	3.03	3.03
764	NASDAQ	CRVL	Fri, Mar 3, 1995	3.03	3.03	3.03	3.03
763	NASDAQ	CRVL	Thu, Mar 2, 1995	3.11	3.11	3.11	3.11
762	NASDAQ	CRVL	Wed, Mar 1, 1995	3.03	3.07	3.03	3.03
761	NASDAQ	CRVL	Tue, Feb 28, 1995	3.03	3.14	3.03	3.14
760	NASDAQ	CRVL	Mon, Feb 27, 1995	3.08	3.08	3.03	3.03
759	NASDAQ	CRVL	Thu, Feb 23, 1995	3.08	3.08	3.08	3.08
758	NASDAQ	CRVL	Wed, Feb 22, 1995	3.08	3.13	3.08	3.11
757	NASDAQ	CRVL	Tue, Feb 21, 1995	3.14	3.17	3.08	3.17
756	NASDAQ	CRVL	Fri, Feb 17, 1995	3.06	3.17	3.06	3.17
755	NASDAQ	CRVL	Thu, Feb 16, 1995	3.06	3.17	3.06	3.17
754	NASDAQ	CRVL	Wed, Feb 15, 1995	3.03	3.17	3.03	3.17
753	NASDAQ	CRVL	Tue, Feb 14, 1995	3.01	3.08	3.01	3.07
752	NASDAQ	CRVL	Mon, Feb 13, 1995	3.00	3.06	2.97	3.06
751	NASDAQ	CRVL	Fri, Feb 10, 1995	3.03	3.06	3.01	3.06
750	NASDAQ	CRVL	Thu, Feb 9, 1995	3.01	3.06	3.00	3.03
749	NASDAQ	CRVL	Wed, Feb 8, 1995	3.06	3.06	3.00	3.03
748	NASDAQ	CRVL	Tue, Feb 7, 1995	2.92	3.06	2.86	3.06
747	NASDAQ	CRVL	Mon, Feb 6, 1995	2.92	2.93	2.92	2.93
746	NASDAQ	CRVL	Fri, Feb 3, 1995	3.00	3.00	2.93	2.93
745	NASDAQ	CRVL	Thu, Feb 2, 1995	2.94	2.94	2.94	2.94
744	NASDAQ	CRVL	Wed, Feb 1, 1995	2.92	2.92	2.92	2.92
743	NASDAQ	CRVL	Tue, Jan 31, 1995	2.92	2.92	2.92	2.92
742	NASDAQ	CRVL	Mon, Jan 30, 1995	2.92	2.92	2.92	2.92
741	NASDAQ	CRVL	Fri, Jan 27, 1995	3.04	3.04	2.97	3.03
740	NASDAQ	CRVL	Thu, Jan 26, 1995	3.04	3.06	3.03	3.04
739	NASDAQ	CRVL	Wed, Jan 25, 1995	3.14	3.14	3.06	3.07
738	NASDAQ	CRVL	Tue, Jan 24, 1995	3.06	3.06	3.06	3.06
737	NASDAQ	CRVL	Mon, Jan 23, 1995	3.06	3.11	3.06	3.10
736	NASDAQ	CRVL	Fri, Jan 20, 1995	3.06	3.11	3.06	3.06
735	NASDAQ	CRVL	Thu, Jan 19, 1995	3.06	3.07	3.06	3.06
734	NASDAQ	CRVL	Wed, Jan 18, 1995	3.10	3.15	3.06	3.14
733	NASDAQ	CRVL	Tue, Jan 17, 1995	3.06	3.13	3.06	3.13
732	NASDAQ	CRVL	Mon, Jan 16, 1995	3.11	3.11	3.06	3.11
731	NASDAQ	CRVL	Fri, Jan 13, 1995	3.03	3.17	3.03	3.11
730	NASDAQ	CRVL	Thu, Jan 12, 1995	3.03	3.03	3.03	3.03
729	NASDAQ	CRVL	Wed, Jan 11, 1995	3.03	3.11	3.03	3.11
728	NASDAQ	CRVL	Tue, Jan 10, 1995	3.03	3.08	2.97	3.03
727	NASDAQ	CRVL	Mon, Jan 9, 1995	3.03	3.03	2.94	2.94
726	NASDAQ	CRVL	Fri, Jan 6, 1995	2.99	2.99	2.92	2.92
725	NASDAQ	CRVL	Thu, Jan 5, 1995	2.94	3.01	2.94	3.01
724	NASDAQ	CRVL	Wed, Jan 4, 1995	2.94	2.99	2.94	2.99
723	NASDAQ	CRVL	Tue, Jan 3, 1995	3.00	3.03	2.99	3.00
722	NASDAQ	CRVL	Fri, Dec 30, 1994	3.01	3.08	3.00	3.08
721	NASDAQ	CRVL	Thu, Dec 29, 1994	3.06	3.11	2.94	3.08
720	NASDAQ	CRVL	Wed, Dec 28, 1994	2.97	2.97	2.94	2.94
719	NASDAQ	CRVL	Tue, Dec 27, 1994	3.00	3.00	2.92	2.99
718	NASDAQ	CRVL	Fri, Dec 23, 1994	2.94	2.99	2.94	2.94
717	NASDAQ	CRVL	Thu, Dec 22, 1994	2.97	2.97	2.89	2.96
716	NASDAQ	CRVL	Wed, Dec 21, 1994	2.93	2.97	2.93	2.97
715	NASDAQ	CRVL	Tue, Dec 20, 1994	2.94	2.97	2.89	2.96
714	NASDAQ	CRVL	Mon, Dec 19, 1994	2.92	2.92	2.83	2.83
713	NASDAQ	CRVL	Fri, Dec 16, 1994	2.94	2.94	2.83	2.83
712	NASDAQ	CRVL	Thu, Dec 15, 1994	2.83	2.97	2.72	2.83
711	NASDAQ	CRVL	Wed, Dec 14, 1994	2.58	2.83	2.58	2.72
710	NASDAQ	CRVL	Tue, Dec 13, 1994	2.61	2.67	2.56	2.56
709	NASDAQ	CRVL	Mon, Dec 12, 1994	2.61	2.61	2.56	2.56
708	NASDAQ	CRVL	Fri, Dec 9, 1994	2.64	2.64	2.56	2.58
707	NASDAQ	CRVL	Thu, Dec 8, 1994	2.58	2.61	2.58	2.61
706	NASDAQ	CRVL	Wed, Dec 7, 1994	2.61	2.61	2.61	2.61
705	NASDAQ	CRVL	Tue, Dec 6, 1994	2.58	2.67	2.58	2.67
704	NASDAQ	CRVL	Mon, Dec 5, 1994	2.58	2.64	2.58	2.61
703	NASDAQ	CRVL	Thu, Dec 1, 1994	2.60	2.60	2.60	2.60
702	NASDAQ	CRVL	Wed, Nov 30, 1994	2.58	2.69	2.58	2.60
701	NASDAQ	CRVL	Mon, Nov 28, 1994	2.56	2.65	2.56	2.58
700	NASDAQ	CRVL	Fri, Nov 25, 1994	2.53	2.56	2.53	2.56
699	NASDAQ	CRVL	Wed, Nov 23, 1994	2.56	2.67	2.53	2.67
698	NASDAQ	CRVL	Tue, Nov 22, 1994	2.58	2.61	2.58	2.61
697	NASDAQ	CRVL	Mon, Nov 21, 1994	2.53	2.58	2.53	2.56
696	NASDAQ	CRVL	Fri, Nov 18, 1994	2.53	2.56	2.53	2.56
695	NASDAQ	CRVL	Thu, Nov 17, 1994	2.61	2.61	2.53	2.58
694	NASDAQ	CRVL	Wed, Nov 16, 1994	2.58	2.60	2.53	2.53
693	NASDAQ	CRVL	Tue, Nov 15, 1994	2.53	2.58	2.53	2.53
692	NASDAQ	CRVL	Mon, Nov 14, 1994	2.50	2.57	2.50	2.53
691	NASDAQ	CRVL	Fri, Nov 11, 1994	2.50	2.50	2.50	2.50
690	NASDAQ	CRVL	Thu, Nov 10, 1994	2.44	2.44	2.44	2.44
689	NASDAQ	CRVL	Wed, Nov 9, 1994	2.44	2.50	2.44	2.44
688	NASDAQ	CRVL	Tue, Nov 8, 1994	2.44	2.61	2.44	2.61
687	NASDAQ	CRVL	Mon, Nov 7, 1994	2.44	2.50	2.44	2.50
686	NASDAQ	CRVL	Fri, Nov 4, 1994	2.53	2.61	2.44	2.50
685	NASDAQ	CRVL	Thu, Nov 3, 1994	2.61	2.61	2.44	2.44
684	NASDAQ	CRVL	Wed, Nov 2, 1994	2.44	2.56	2.44	2.56
683	NASDAQ	CRVL	Tue, Nov 1, 1994	2.36	2.58	2.36	2.58
682	NASDAQ	CRVL	Mon, Oct 31, 1994	2.39	2.42	2.39	2.42
681	NASDAQ	CRVL	Fri, Oct 28, 1994	2.22	2.33	2.22	2.33
680	NASDAQ	CRVL	Thu, Oct 27, 1994	2.28	2.28	2.26	2.26
679	NASDAQ	CRVL	Wed, Oct 26, 1994	2.22	2.22	2.19	2.19
678	NASDAQ	CRVL	Tue, Oct 25, 1994	2.19	2.31	2.17	2.17
677	NASDAQ	CRVL	Mon, Oct 24, 1994	2.33	2.47	2.22	2.22
676	NASDAQ	CRVL	Fri, Oct 21, 1994	2.34	2.39	2.34	2.38
675	NASDAQ	CRVL	Thu, Oct 20, 1994	2.47	2.48	2.39	2.39
674	NASDAQ	CRVL	Tue, Oct 18, 1994	2.49	2.49	2.47	2.47
673	NASDAQ	CRVL	Mon, Oct 17, 1994	2.50	2.50	2.50	2.50
672	NASDAQ	CRVL	Fri, Oct 14, 1994	2.47	2.47	2.47	2.47
671	NASDAQ	CRVL	Thu, Oct 13, 1994	2.53	2.53	2.50	2.50
670	NASDAQ	CRVL	Wed, Oct 12, 1994	2.47	2.49	2.36	2.47
669	NASDAQ	CRVL	Tue, Oct 11, 1994	2.50	2.50	2.36	2.42
668	NASDAQ	CRVL	Fri, Oct 7, 1994	2.50	2.50	2.39	2.39
667	NASDAQ	CRVL	Thu, Oct 6, 1994	2.47	2.53	2.44	2.44
666	NASDAQ	CRVL	Wed, Oct 5, 1994	2.44	2.49	2.44	2.49
665	NASDAQ	CRVL	Tue, Oct 4, 1994	2.53	2.53	2.42	2.53
664	NASDAQ	CRVL	Mon, Oct 3, 1994	2.58	2.61	2.50	2.56
663	NASDAQ	CRVL	Fri, Sep 30, 1994	2.51	2.51	2.47	2.51
662	NASDAQ	CRVL	Thu, Sep 29, 1994	2.47	2.50	2.47	2.50
661	NASDAQ	CRVL	Tue, Sep 27, 1994	2.47	2.50	2.47	2.50
660	NASDAQ	CRVL	Mon, Sep 26, 1994	2.47	2.50	2.47	2.50
659	NASDAQ	CRVL	Fri, Sep 23, 1994	2.47	2.47	2.47	2.47
658	NASDAQ	CRVL	Thu, Sep 22, 1994	2.47	2.50	2.47	2.50
657	NASDAQ	CRVL	Wed, Sep 21, 1994	2.56	2.56	2.47	2.47
656	NASDAQ	CRVL	Tue, Sep 20, 1994	2.53	2.53	2.53	2.53
655	NASDAQ	CRVL	Mon, Sep 19, 1994	2.64	2.65	2.53	2.53
654	NASDAQ	CRVL	Fri, Sep 16, 1994	2.56	2.56	2.56	2.56
653	NASDAQ	CRVL	Wed, Sep 14, 1994	2.67	2.67	2.56	2.57
652	NASDAQ	CRVL	Tue, Sep 13, 1994	2.39	2.64	2.39	2.58
651	NASDAQ	CRVL	Mon, Sep 12, 1994	2.50	2.50	2.39	2.44
650	NASDAQ	CRVL	Fri, Sep 9, 1994	2.49	2.53	2.39	2.53
649	NASDAQ	CRVL	Thu, Sep 8, 1994	2.39	2.47	2.39	2.47
648	NASDAQ	CRVL	Wed, Sep 7, 1994	2.36	2.50	2.36	2.50
647	NASDAQ	CRVL	Tue, Sep 6, 1994	2.25	2.33	2.22	2.33
646	NASDAQ	CRVL	Fri, Sep 2, 1994	2.19	2.25	2.18	2.24
645	NASDAQ	CRVL	Thu, Sep 1, 1994	2.19	2.19	2.19	2.19
644	NASDAQ	CRVL	Tue, Aug 30, 1994	2.25	2.25	2.25	2.25
643	NASDAQ	CRVL	Mon, Aug 29, 1994	2.08	2.22	2.08	2.18
642	NASDAQ	CRVL	Fri, Aug 26, 1994	2.08	2.10	2.08	2.08
641	NASDAQ	CRVL	Thu, Aug 25, 1994	2.14	2.19	2.14	2.19
640	NASDAQ	CRVL	Wed, Aug 24, 1994	2.19	2.19	2.19	2.19
639	NASDAQ	CRVL	Tue, Aug 23, 1994	2.18	2.19	2.18	2.18
638	NASDAQ	CRVL	Fri, Aug 19, 1994	2.19	2.19	2.19	2.19
637	NASDAQ	CRVL	Thu, Aug 18, 1994	2.14	2.19	2.09	2.19
636	NASDAQ	CRVL	Wed, Aug 17, 1994	2.08	2.08	2.08	2.08
635	NASDAQ	CRVL	Mon, Aug 15, 1994	2.08	2.11	2.08	2.11
634	NASDAQ	CRVL	Fri, Aug 12, 1994	2.17	2.17	2.17	2.17
633	NASDAQ	CRVL	Thu, Aug 11, 1994	2.03	2.11	2.03	2.03
632	NASDAQ	CRVL	Wed, Aug 10, 1994	2.03	2.11	2.03	2.11
631	NASDAQ	CRVL	Tue, Aug 9, 1994	2.03	2.08	2.03	2.08
630	NASDAQ	CRVL	Mon, Aug 8, 1994	2.03	2.11	2.03	2.11
629	NASDAQ	CRVL	Fri, Aug 5, 1994	2.11	2.11	2.11	2.11
628	NASDAQ	CRVL	Thu, Aug 4, 1994	2.04	2.08	2.03	2.08
627	NASDAQ	CRVL	Wed, Aug 3, 1994	2.06	2.08	2.00	2.04
626	NASDAQ	CRVL	Tue, Aug 2, 1994	2.00	2.06	2.00	2.04
625	NASDAQ	CRVL	Mon, Aug 1, 1994	2.03	2.06	2.00	2.00
624	NASDAQ	CRVL	Fri, Jul 29, 1994	2.11	2.14	2.03	2.03
623	NASDAQ	CRVL	Thu, Jul 28, 1994	2.03	2.04	2.03	2.03
622	NASDAQ	CRVL	Wed, Jul 27, 1994	2.01	2.06	1.97	2.06
621	NASDAQ	CRVL	Tue, Jul 26, 1994	2.00	2.08	1.97	2.06
620	NASDAQ	CRVL	Mon, Jul 25, 1994	2.22	2.24	1.86	1.94
619	NASDAQ	CRVL	Fri, Jul 22, 1994	2.28	2.31	2.22	2.22
618	NASDAQ	CRVL	Thu, Jul 21, 1994	2.25	2.28	2.22	2.22
617	NASDAQ	CRVL	Wed, Jul 20, 1994	2.31	2.31	2.19	2.22
616	NASDAQ	CRVL	Tue, Jul 19, 1994	2.22	2.28	2.22	2.25
615	NASDAQ	CRVL	Mon, Jul 18, 1994	2.28	2.28	2.22	2.22
614	NASDAQ	CRVL	Fri, Jul 15, 1994	2.28	2.28	2.22	2.22
613	NASDAQ	CRVL	Thu, Jul 14, 1994	2.25	2.28	2.24	2.25
612	NASDAQ	CRVL	Wed, Jul 13, 1994	2.19	2.31	2.19	2.28
611	NASDAQ	CRVL	Tue, Jul 12, 1994	2.19	2.19	2.19	2.19
610	NASDAQ	CRVL	Mon, Jul 11, 1994	2.31	2.42	2.19	2.22
609	NASDAQ	CRVL	Fri, Jul 8, 1994	2.42	2.42	2.31	2.36
608	NASDAQ	CRVL	Thu, Jul 7, 1994	2.31	2.31	2.31	2.31
607	NASDAQ	CRVL	Wed, Jul 6, 1994	2.31	2.39	2.31	2.39
606	NASDAQ	CRVL	Tue, Jul 5, 1994	2.31	2.31	2.31	2.31
605	NASDAQ	CRVL	Thu, Jun 30, 1994	2.44	2.44	2.33	2.33
604	NASDAQ	CRVL	Wed, Jun 29, 1994	2.33	2.38	2.31	2.31
603	NASDAQ	CRVL	Tue, Jun 28, 1994	2.28	2.44	2.28	2.44
602	NASDAQ	CRVL	Mon, Jun 27, 1994	2.28	2.28	2.28	2.28
601	NASDAQ	CRVL	Fri, Jun 24, 1994	2.33	2.36	2.31	2.31
600	NASDAQ	CRVL	Thu, Jun 23, 1994	2.39	2.42	2.39	2.40
599	NASDAQ	CRVL	Wed, Jun 22, 1994	2.42	2.42	2.42	2.42
598	NASDAQ	CRVL	Mon, Jun 20, 1994	2.39	2.40	2.39	2.40
597	NASDAQ	CRVL	Fri, Jun 17, 1994	2.39	2.42	2.39	2.42
596	NASDAQ	CRVL	Thu, Jun 16, 1994	2.39	2.43	2.39	2.42
595	NASDAQ	CRVL	Wed, Jun 15, 1994	2.39	2.53	2.39	2.53
594	NASDAQ	CRVL	Tue, Jun 14, 1994	2.44	2.44	2.39	2.39
593	NASDAQ	CRVL	Mon, Jun 13, 1994	2.31	2.44	2.31	2.42
592	NASDAQ	CRVL	Fri, Jun 10, 1994	2.31	2.39	2.31	2.35
591	NASDAQ	CRVL	Thu, Jun 9, 1994	2.35	2.35	2.33	2.35
590	NASDAQ	CRVL	Wed, Jun 8, 1994	2.33	2.39	2.33	2.36
589	NASDAQ	CRVL	Tue, Jun 7, 1994	2.50	2.50	2.33	2.35
588	NASDAQ	CRVL	Mon, Jun 6, 1994	2.36	2.50	2.36	2.39
587	NASDAQ	CRVL	Fri, Jun 3, 1994	2.42	2.50	2.36	2.50
586	NASDAQ	CRVL	Thu, Jun 2, 1994	2.68	2.68	2.61	2.61
585	NASDAQ	CRVL	Wed, Jun 1, 1994	2.74	2.74	2.61	2.61
584	NASDAQ	CRVL	Tue, May 31, 1994	2.61	2.61	2.61	2.61
583	NASDAQ	CRVL	Fri, May 27, 1994	2.75	2.75	2.64	2.64
582	NASDAQ	CRVL	Thu, May 26, 1994	2.64	2.64	2.64	2.64
581	NASDAQ	CRVL	Wed, May 25, 1994	2.69	2.78	2.64	2.69
580	NASDAQ	CRVL	Tue, May 24, 1994	2.69	2.78	2.69	2.78
579	NASDAQ	CRVL	Mon, May 23, 1994	2.69	2.69	2.69	2.69
578	NASDAQ	CRVL	Fri, May 20, 1994	2.75	2.75	2.69	2.69
577	NASDAQ	CRVL	Thu, May 19, 1994	2.64	2.72	2.64	2.64
576	NASDAQ	CRVL	Wed, May 18, 1994	2.67	2.68	2.64	2.68
575	NASDAQ	CRVL	Tue, May 17, 1994	2.67	2.67	2.67	2.67
574	NASDAQ	CRVL	Mon, May 16, 1994	2.72	2.78	2.67	2.72
573	NASDAQ	CRVL	Fri, May 13, 1994	2.72	2.72	2.72	2.72
572	NASDAQ	CRVL	Thu, May 12, 1994	2.72	2.73	2.72	2.73
571	NASDAQ	CRVL	Wed, May 11, 1994	2.86	2.86	2.72	2.72
570	NASDAQ	CRVL	Tue, May 10, 1994	2.71	2.86	2.69	2.78
569	NASDAQ	CRVL	Mon, May 9, 1994	2.78	2.83	2.67	2.67
568	NASDAQ	CRVL	Fri, May 6, 1994	2.78	2.83	2.78	2.83
567	NASDAQ	CRVL	Thu, May 5, 1994	2.83	2.86	2.83	2.86
566	NASDAQ	CRVL	Wed, May 4, 1994	2.86	2.86	2.81	2.81
565	NASDAQ	CRVL	Tue, May 3, 1994	2.72	2.81	2.63	2.81
564	NASDAQ	CRVL	Mon, May 2, 1994	2.67	2.67	2.64	2.64
563	NASDAQ	CRVL	Fri, Apr 29, 1994	2.64	2.64	2.64	2.64
562	NASDAQ	CRVL	Thu, Apr 28, 1994	2.67	2.72	2.65	2.68
561	NASDAQ	CRVL	Tue, Apr 26, 1994	2.61	2.61	2.61	2.61
560	NASDAQ	CRVL	Mon, Apr 25, 1994	2.61	2.61	2.61	2.61
559	NASDAQ	CRVL	Fri, Apr 22, 1994	2.72	2.72	2.61	2.67
558	NASDAQ	CRVL	Thu, Apr 21, 1994	2.58	2.61	2.53	2.61
557	NASDAQ	CRVL	Wed, Apr 20, 1994	2.53	2.53	2.53	2.53
556	NASDAQ	CRVL	Tue, Apr 19, 1994	2.56	2.57	2.53	2.56
555	NASDAQ	CRVL	Mon, Apr 18, 1994	2.64	2.64	2.56	2.56
554	NASDAQ	CRVL	Fri, Apr 15, 1994	2.56	2.64	2.56	2.58
553	NASDAQ	CRVL	Thu, Apr 14, 1994	2.56	2.58	2.56	2.58
552	NASDAQ	CRVL	Wed, Apr 13, 1994	2.61	2.61	2.56	2.56
551	NASDAQ	CRVL	Tue, Apr 12, 1994	2.58	2.60	2.58	2.60
550	NASDAQ	CRVL	Mon, Apr 11, 1994	2.56	2.67	2.56	2.61
549	NASDAQ	CRVL	Thu, Apr 7, 1994	2.51	2.56	2.51	2.56
548	NASDAQ	CRVL	Wed, Apr 6, 1994	2.61	2.61	2.47	2.50
547	NASDAQ	CRVL	Tue, Apr 5, 1994	2.56	2.56	2.44	2.50
546	NASDAQ	CRVL	Mon, Apr 4, 1994	2.42	2.42	2.42	2.42
545	NASDAQ	CRVL	Thu, Mar 31, 1994	2.44	2.56	2.42	2.56
544	NASDAQ	CRVL	Wed, Mar 30, 1994	2.47	2.58	2.42	2.56
543	NASDAQ	CRVL	Tue, Mar 29, 1994	2.58	2.58	2.36	2.47
542	NASDAQ	CRVL	Mon, Mar 28, 1994	2.61	2.72	2.58	2.58
541	NASDAQ	CRVL	Fri, Mar 25, 1994	2.86	2.86	2.47	2.61
540	NASDAQ	CRVL	Thu, Mar 24, 1994	2.94	2.94	2.81	2.81
539	NASDAQ	CRVL	Wed, Mar 23, 1994	2.92	2.94	2.81	2.94
538	NASDAQ	CRVL	Tue, Mar 22, 1994	2.81	2.94	2.81	2.92
537	NASDAQ	CRVL	Mon, Mar 21, 1994	2.94	2.94	2.81	2.81
536	NASDAQ	CRVL	Fri, Mar 18, 1994	2.81	2.94	2.81	2.94
535	NASDAQ	CRVL	Thu, Mar 17, 1994	2.81	2.94	2.81	2.81
534	NASDAQ	CRVL	Wed, Mar 16, 1994	2.94	2.94	2.81	2.81
533	NASDAQ	CRVL	Tue, Mar 15, 1994	2.81	2.97	2.81	2.97
532	NASDAQ	CRVL	Mon, Mar 14, 1994	2.89	3.03	2.81	2.89
531	NASDAQ	CRVL	Fri, Mar 11, 1994	2.92	3.03	2.92	2.92
530	NASDAQ	CRVL	Thu, Mar 10, 1994	3.00	3.06	2.92	2.97
529	NASDAQ	CRVL	Wed, Mar 9, 1994	3.04	3.08	3.00	3.00
528	NASDAQ	CRVL	Tue, Mar 8, 1994	3.14	3.14	3.00	3.08
527	NASDAQ	CRVL	Mon, Mar 7, 1994	3.14	3.14	3.00	3.04
526	NASDAQ	CRVL	Fri, Mar 4, 1994	3.19	3.19	3.03	3.03
525	NASDAQ	CRVL	Thu, Mar 3, 1994	3.17	3.28	3.11	3.11
524	NASDAQ	CRVL	Wed, Mar 2, 1994	3.19	3.31	3.11	3.22
523	NASDAQ	CRVL	Tue, Mar 1, 1994	3.39	3.44	3.28	3.36
522	NASDAQ	CRVL	Mon, Feb 28, 1994	3.03	3.39	2.94	3.39
521	NASDAQ	CRVL	Fri, Feb 25, 1994	2.72	2.92	2.72	2.89
520	NASDAQ	CRVL	Thu, Feb 24, 1994	2.81	2.83	2.72	2.83
519	NASDAQ	CRVL	Wed, Feb 23, 1994	2.72	2.81	2.72	2.78
518	NASDAQ	CRVL	Tue, Feb 22, 1994	2.78	2.78	2.64	2.67
517	NASDAQ	CRVL	Fri, Feb 18, 1994	2.76	2.76	2.64	2.64
516	NASDAQ	CRVL	Thu, Feb 17, 1994	2.67	2.78	2.67	2.72
515	NASDAQ	CRVL	Wed, Feb 16, 1994	2.61	2.61	2.53	2.53
514	NASDAQ	CRVL	Tue, Feb 15, 1994	2.67	2.67	2.53	2.53
513	NASDAQ	CRVL	Mon, Feb 14, 1994	2.61	2.61	2.53	2.53
512	NASDAQ	CRVL	Fri, Feb 11, 1994	2.67	2.67	2.53	2.53
511	NASDAQ	CRVL	Thu, Feb 10, 1994	2.67	2.67	2.56	2.63
510	NASDAQ	CRVL	Wed, Feb 9, 1994	2.49	2.67	2.42	2.67
509	NASDAQ	CRVL	Tue, Feb 8, 1994	2.42	2.42	2.42	2.42
508	NASDAQ	CRVL	Mon, Feb 7, 1994	2.36	2.56	2.36	2.42
507	NASDAQ	CRVL	Fri, Feb 4, 1994	2.64	2.64	2.42	2.42
506	NASDAQ	CRVL	Thu, Feb 3, 1994	2.67	2.71	2.67	2.69
505	NASDAQ	CRVL	Wed, Feb 2, 1994	2.75	2.75	2.67	2.68
504	NASDAQ	CRVL	Tue, Feb 1, 1994	2.75	2.75	2.75	2.75
503	NASDAQ	CRVL	Mon, Jan 31, 1994	2.67	2.74	2.61	2.74
502	NASDAQ	CRVL	Fri, Jan 28, 1994	2.64	2.67	2.58	2.67
501	NASDAQ	CRVL	Thu, Jan 27, 1994	2.58	2.67	2.58	2.63
500	NASDAQ	CRVL	Wed, Jan 26, 1994	2.67	2.67	2.58	2.64
499	NASDAQ	CRVL	Tue, Jan 25, 1994	2.78	2.78	2.53	2.61
498	NASDAQ	CRVL	Mon, Jan 24, 1994	2.81	2.81	2.67	2.68
497	NASDAQ	CRVL	Fri, Jan 21, 1994	2.64	2.78	2.64	2.75
496	NASDAQ	CRVL	Thu, Jan 20, 1994	2.61	2.72	2.58	2.58
495	NASDAQ	CRVL	Wed, Jan 19, 1994	2.78	2.78	2.61	2.61
494	NASDAQ	CRVL	Tue, Jan 18, 1994	2.61	2.78	2.61	2.69
493	NASDAQ	CRVL	Mon, Jan 17, 1994	2.53	2.61	2.47	2.56
492	NASDAQ	CRVL	Fri, Jan 14, 1994	2.53	2.53	2.47	2.50
491	NASDAQ	CRVL	Thu, Jan 13, 1994	2.53	2.53	2.50	2.53
490	NASDAQ	CRVL	Wed, Jan 12, 1994	2.47	2.50	2.46	2.50
489	NASDAQ	CRVL	Tue, Jan 11, 1994	2.61	2.61	2.44	2.51
488	NASDAQ	CRVL	Mon, Jan 10, 1994	2.53	2.61	2.44	2.61
487	NASDAQ	CRVL	Fri, Jan 7, 1994	2.50	2.64	2.36	2.53
486	NASDAQ	CRVL	Thu, Jan 6, 1994	2.72	2.72	2.58	2.58
485	NASDAQ	CRVL	Wed, Jan 5, 1994	2.75	2.78	2.61	2.64
484	NASDAQ	CRVL	Tue, Jan 4, 1994	2.78	2.89	2.75	2.81
483	NASDAQ	CRVL	Mon, Jan 3, 1994	2.78	2.92	2.72	2.89
482	NASDAQ	CRVL	Fri, Dec 31, 1993	2.83	2.92	2.78	2.92
481	NASDAQ	CRVL	Thu, Dec 30, 1993	2.69	2.89	2.64	2.75
480	NASDAQ	CRVL	Wed, Dec 29, 1993	2.53	2.67	2.53	2.67
479	NASDAQ	CRVL	Tue, Dec 28, 1993	2.56	2.56	2.50	2.51
478	NASDAQ	CRVL	Mon, Dec 27, 1993	2.42	2.56	2.42	2.42
477	NASDAQ	CRVL	Thu, Dec 23, 1993	2.36	2.36	2.36	2.36
476	NASDAQ	CRVL	Wed, Dec 22, 1993	2.44	2.44	2.36	2.44
475	NASDAQ	CRVL	Tue, Dec 21, 1993	2.33	2.44	2.33	2.36
474	NASDAQ	CRVL	Mon, Dec 20, 1993	2.22	2.44	2.22	2.44
473	NASDAQ	CRVL	Fri, Dec 17, 1993	2.14	2.31	2.14	2.22
472	NASDAQ	CRVL	Thu, Dec 16, 1993	2.14	2.22	2.14	2.22
471	NASDAQ	CRVL	Wed, Dec 15, 1993	2.17	2.31	2.17	2.21
470	NASDAQ	CRVL	Tue, Dec 14, 1993	2.17	2.17	2.17	2.17
469	NASDAQ	CRVL	Mon, Dec 13, 1993	2.22	2.22	2.17	2.22
468	NASDAQ	CRVL	Fri, Dec 10, 1993	2.22	2.22	2.19	2.21
467	NASDAQ	CRVL	Thu, Dec 9, 1993	2.31	2.31	2.17	2.22
466	NASDAQ	CRVL	Wed, Dec 8, 1993	2.17	2.17	2.17	2.17
465	NASDAQ	CRVL	Tue, Dec 7, 1993	2.26	2.31	2.17	2.31
464	NASDAQ	CRVL	Mon, Dec 6, 1993	2.25	2.31	2.25	2.28
463	NASDAQ	CRVL	Fri, Dec 3, 1993	2.25	2.28	2.25	2.28
462	NASDAQ	CRVL	Thu, Dec 2, 1993	2.25	2.28	2.25	2.28
461	NASDAQ	CRVL	Wed, Dec 1, 1993	2.31	2.31	2.25	2.29
460	NASDAQ	CRVL	Tue, Nov 30, 1993	2.25	2.28	2.25	2.28
459	NASDAQ	CRVL	Mon, Nov 29, 1993	2.25	2.26	2.22	2.22
458	NASDAQ	CRVL	Fri, Nov 26, 1993	2.22	2.25	2.22	2.25
457	NASDAQ	CRVL	Wed, Nov 24, 1993	2.19	2.25	2.15	2.22
456	NASDAQ	CRVL	Tue, Nov 23, 1993	2.08	2.19	2.08	2.19
455	NASDAQ	CRVL	Mon, Nov 22, 1993	2.14	2.17	2.08	2.08
454	NASDAQ	CRVL	Fri, Nov 19, 1993	2.33	2.39	2.25	2.25
453	NASDAQ	CRVL	Thu, Nov 18, 1993	2.33	2.33	2.33	2.33
452	NASDAQ	CRVL	Wed, Nov 17, 1993	2.33	2.33	2.33	2.33
451	NASDAQ	CRVL	Tue, Nov 16, 1993	2.33	2.43	2.33	2.43
450	NASDAQ	CRVL	Mon, Nov 15, 1993	2.33	2.39	2.33	2.39
449	NASDAQ	CRVL	Fri, Nov 12, 1993	2.39	2.44	2.33	2.44
448	NASDAQ	CRVL	Thu, Nov 11, 1993	2.33	2.42	2.33	2.33
447	NASDAQ	CRVL	Wed, Nov 10, 1993	2.50	2.50	2.33	2.33
446	NASDAQ	CRVL	Tue, Nov 9, 1993	2.33	2.50	2.33	2.43
445	NASDAQ	CRVL	Mon, Nov 8, 1993	2.50	2.50	2.33	2.33
444	NASDAQ	CRVL	Fri, Nov 5, 1993	2.36	2.39	2.36	2.39
443	NASDAQ	CRVL	Thu, Nov 4, 1993	2.47	2.50	2.42	2.42
442	NASDAQ	CRVL	Wed, Nov 3, 1993	2.33	2.47	2.33	2.47
441	NASDAQ	CRVL	Tue, Nov 2, 1993	2.31	2.39	2.31	2.39
440	NASDAQ	CRVL	Mon, Nov 1, 1993	2.33	2.39	2.28	2.33
439	NASDAQ	CRVL	Fri, Oct 29, 1993	2.39	2.39	2.28	2.39
438	NASDAQ	CRVL	Thu, Oct 28, 1993	2.22	2.42	2.14	2.33
437	NASDAQ	CRVL	Wed, Oct 27, 1993	2.17	2.17	2.14	2.17
436	NASDAQ	CRVL	Tue, Oct 26, 1993	2.22	2.33	2.14	2.17
435	NASDAQ	CRVL	Mon, Oct 25, 1993	2.39	2.50	2.22	2.31
434	NASDAQ	CRVL	Fri, Oct 22, 1993	2.56	2.58	2.47	2.47
433	NASDAQ	CRVL	Thu, Oct 21, 1993	2.56	2.61	2.56	2.56
432	NASDAQ	CRVL	Wed, Oct 20, 1993	2.56	2.64	2.56	2.64
431	NASDAQ	CRVL	Tue, Oct 19, 1993	2.56	2.69	2.56	2.61
430	NASDAQ	CRVL	Mon, Oct 18, 1993	2.64	2.64	2.56	2.56
429	NASDAQ	CRVL	Fri, Oct 15, 1993	2.56	2.64	2.56	2.58
428	NASDAQ	CRVL	Thu, Oct 14, 1993	2.56	2.58	2.56	2.56
427	NASDAQ	CRVL	Wed, Oct 13, 1993	2.56	2.56	2.56	2.56
426	NASDAQ	CRVL	Tue, Oct 12, 1993	2.64	2.64	2.56	2.58
425	NASDAQ	CRVL	Mon, Oct 11, 1993	2.64	2.64	2.56	2.60
424	NASDAQ	CRVL	Fri, Oct 8, 1993	2.56	2.67	2.56	2.56
423	NASDAQ	CRVL	Thu, Oct 7, 1993	2.56	2.56	2.56	2.56
422	NASDAQ	CRVL	Wed, Oct 6, 1993	2.67	2.67	2.56	2.56
421	NASDAQ	CRVL	Tue, Oct 5, 1993	2.61	2.67	2.50	2.61
420	NASDAQ	CRVL	Mon, Oct 4, 1993	2.50	2.61	2.50	2.61
419	NASDAQ	CRVL	Fri, Oct 1, 1993	2.58	2.61	2.49	2.50
418	NASDAQ	CRVL	Thu, Sep 30, 1993	2.61	2.61	2.47	2.57
417	NASDAQ	CRVL	Wed, Sep 29, 1993	2.28	2.61	2.28	2.61
416	NASDAQ	CRVL	Tue, Sep 28, 1993	2.33	2.39	2.28	2.28
415	NASDAQ	CRVL	Mon, Sep 27, 1993	2.33	2.39	2.25	2.28
414	NASDAQ	CRVL	Fri, Sep 24, 1993	2.19	2.42	2.06	2.33
413	NASDAQ	CRVL	Thu, Sep 23, 1993	2.08	2.11	2.00	2.11
412	NASDAQ	CRVL	Wed, Sep 22, 1993	2.00	2.08	2.00	2.06
411	NASDAQ	CRVL	Tue, Sep 21, 1993	2.08	2.08	2.00	2.00
410	NASDAQ	CRVL	Mon, Sep 20, 1993	2.11	2.11	2.00	2.04
409	NASDAQ	CRVL	Fri, Sep 17, 1993	2.03	2.03	2.03	2.03
408	NASDAQ	CRVL	Thu, Sep 16, 1993	2.11	2.11	2.03	2.03
407	NASDAQ	CRVL	Wed, Sep 15, 1993	2.14	2.14	2.00	2.11
406	NASDAQ	CRVL	Tue, Sep 14, 1993	2.08	2.14	2.03	2.06
405	NASDAQ	CRVL	Mon, Sep 13, 1993	2.17	2.19	2.17	2.19
404	NASDAQ	CRVL	Fri, Sep 10, 1993	2.08	2.14	2.00	2.03
403	NASDAQ	CRVL	Thu, Sep 9, 1993	2.08	2.08	1.97	2.01
402	NASDAQ	CRVL	Wed, Sep 8, 1993	2.06	2.08	1.97	1.97
401	NASDAQ	CRVL	Tue, Sep 7, 1993	2.17	2.17	2.03	2.06
400	NASDAQ	CRVL	Fri, Sep 3, 1993	2.06	2.19	2.06	2.08
399	NASDAQ	CRVL	Thu, Sep 2, 1993	2.06	2.17	2.00	2.17
398	NASDAQ	CRVL	Wed, Sep 1, 1993	1.94	2.06	1.89	1.94
397	NASDAQ	CRVL	Tue, Aug 31, 1993	1.94	1.94	1.86	1.86
396	NASDAQ	CRVL	Mon, Aug 30, 1993	1.86	1.89	1.86	1.89
395	NASDAQ	CRVL	Fri, Aug 27, 1993	1.94	1.94	1.83	1.86
394	NASDAQ	CRVL	Thu, Aug 26, 1993	1.94	1.94	1.83	1.88
393	NASDAQ	CRVL	Wed, Aug 25, 1993	1.83	1.89	1.83	1.89
392	NASDAQ	CRVL	Tue, Aug 24, 1993	1.94	1.94	1.83	1.83
391	NASDAQ	CRVL	Mon, Aug 23, 1993	1.83	1.94	1.83	1.83
390	NASDAQ	CRVL	Fri, Aug 20, 1993	1.83	1.92	1.83	1.86
389	NASDAQ	CRVL	Thu, Aug 19, 1993	1.89	1.94	1.81	1.94
388	NASDAQ	CRVL	Wed, Aug 18, 1993	1.92	1.92	1.89	1.89
387	NASDAQ	CRVL	Tue, Aug 17, 1993	1.89	1.92	1.81	1.81
386	NASDAQ	CRVL	Mon, Aug 16, 1993	1.92	1.92	1.81	1.92
385	NASDAQ	CRVL	Fri, Aug 13, 1993	1.92	1.92	1.89	1.89
384	NASDAQ	CRVL	Thu, Aug 12, 1993	1.86	1.89	1.78	1.86
383	NASDAQ	CRVL	Wed, Aug 11, 1993	1.81	1.89	1.81	1.86
382	NASDAQ	CRVL	Tue, Aug 10, 1993	1.89	1.89	1.81	1.81
381	NASDAQ	CRVL	Mon, Aug 9, 1993	1.81	1.89	1.81	1.89
380	NASDAQ	CRVL	Fri, Aug 6, 1993	1.89	1.89	1.78	1.89
379	NASDAQ	CRVL	Thu, Aug 5, 1993	1.79	1.89	1.78	1.89
378	NASDAQ	CRVL	Wed, Aug 4, 1993	1.78	1.89	1.78	1.89
377	NASDAQ	CRVL	Tue, Aug 3, 1993	1.78	1.89	1.78	1.79
376	NASDAQ	CRVL	Mon, Aug 2, 1993	1.89	1.89	1.83	1.83
375	NASDAQ	CRVL	Fri, Jul 30, 1993	1.83	1.89	1.78	1.78
374	NASDAQ	CRVL	Thu, Jul 29, 1993	1.86	1.92	1.86	1.86
373	NASDAQ	CRVL	Wed, Jul 28, 1993	1.86	1.88	1.86	1.86
372	NASDAQ	CRVL	Tue, Jul 27, 1993	1.86	1.86	1.86	1.86
371	NASDAQ	CRVL	Mon, Jul 26, 1993	1.86	1.86	1.86	1.86
370	NASDAQ	CRVL	Fri, Jul 23, 1993	1.92	1.92	1.86	1.86
369	NASDAQ	CRVL	Thu, Jul 22, 1993	1.92	1.92	1.86	1.86
368	NASDAQ	CRVL	Wed, Jul 21, 1993	1.86	1.97	1.86	1.86
367	NASDAQ	CRVL	Tue, Jul 20, 1993	1.97	1.97	1.86	1.89
366	NASDAQ	CRVL	Mon, Jul 19, 1993	1.89	1.97	1.83	1.97
365	NASDAQ	CRVL	Fri, Jul 16, 1993	1.89	1.89	1.83	1.83
364	NASDAQ	CRVL	Thu, Jul 15, 1993	1.86	1.89	1.81	1.86
363	NASDAQ	CRVL	Wed, Jul 14, 1993	1.78	1.85	1.78	1.85
362	NASDAQ	CRVL	Tue, Jul 13, 1993	1.81	1.83	1.72	1.75
361	NASDAQ	CRVL	Mon, Jul 12, 1993	1.61	1.81	1.56	1.78
360	NASDAQ	CRVL	Fri, Jul 9, 1993	1.56	1.61	1.50	1.61
359	NASDAQ	CRVL	Thu, Jul 8, 1993	1.50	1.58	1.50	1.56
358	NASDAQ	CRVL	Wed, Jul 7, 1993	1.61	1.61	1.50	1.56
357	NASDAQ	CRVL	Tue, Jul 6, 1993	1.46	1.61	1.39	1.56
356	NASDAQ	CRVL	Fri, Jul 2, 1993	1.39	1.47	1.36	1.40
355	NASDAQ	CRVL	Thu, Jul 1, 1993	1.33	1.39	1.33	1.33
354	NASDAQ	CRVL	Wed, Jun 30, 1993	1.33	1.39	1.31	1.35
353	NASDAQ	CRVL	Tue, Jun 29, 1993	1.33	1.39	1.28	1.28
352	NASDAQ	CRVL	Mon, Jun 28, 1993	1.39	1.39	1.28	1.35
351	NASDAQ	CRVL	Fri, Jun 25, 1993	1.33	1.33	1.25	1.29
350	NASDAQ	CRVL	Thu, Jun 24, 1993	1.22	1.33	1.22	1.22
349	NASDAQ	CRVL	Wed, Jun 23, 1993	1.19	1.19	1.18	1.18
348	NASDAQ	CRVL	Tue, Jun 22, 1993	1.17	1.28	1.17	1.28
347	NASDAQ	CRVL	Mon, Jun 21, 1993	1.17	1.17	1.17	1.17
346	NASDAQ	CRVL	Fri, Jun 18, 1993	1.28	1.28	1.17	1.17
345	NASDAQ	CRVL	Thu, Jun 17, 1993	1.25	1.25	1.25	1.25
344	NASDAQ	CRVL	Wed, Jun 16, 1993	1.19	1.22	1.19	1.22
343	NASDAQ	CRVL	Tue, Jun 15, 1993	1.21	1.21	1.17	1.19
342	NASDAQ	CRVL	Mon, Jun 14, 1993	1.17	1.28	1.17	1.22
341	NASDAQ	CRVL	Thu, Jun 10, 1993	1.17	1.28	1.17	1.28
340	NASDAQ	CRVL	Wed, Jun 9, 1993	1.17	1.28	1.17	1.17
339	NASDAQ	CRVL	Mon, Jun 7, 1993	1.17	1.28	1.17	1.17
338	NASDAQ	CRVL	Fri, Jun 4, 1993	1.19	1.25	1.19	1.24
337	NASDAQ	CRVL	Thu, Jun 3, 1993	1.25	1.28	1.19	1.25
336	NASDAQ	CRVL	Wed, Jun 2, 1993	1.19	1.19	1.19	1.19
335	NASDAQ	CRVL	Tue, Jun 1, 1993	1.31	1.31	1.24	1.31
334	NASDAQ	CRVL	Fri, May 28, 1993	1.28	1.28	1.22	1.24
333	NASDAQ	CRVL	Thu, May 27, 1993	1.22	1.31	1.22	1.26
332	NASDAQ	CRVL	Wed, May 26, 1993	1.25	1.33	1.24	1.25
331	NASDAQ	CRVL	Tue, May 25, 1993	1.17	1.33	1.17	1.25
330	NASDAQ	CRVL	Mon, May 24, 1993	1.28	1.28	1.18	1.18
329	NASDAQ	CRVL	Fri, May 21, 1993	1.25	1.31	1.19	1.19
328	NASDAQ	CRVL	Thu, May 20, 1993	1.19	1.19	1.19	1.19
327	NASDAQ	CRVL	Wed, May 19, 1993	1.17	1.33	1.17	1.28
326	NASDAQ	CRVL	Tue, May 18, 1993	1.28	1.28	1.17	1.17
325	NASDAQ	CRVL	Mon, May 17, 1993	1.22	1.25	1.19	1.19
324	NASDAQ	CRVL	Fri, May 14, 1993	1.33	1.33	1.11	1.15
323	NASDAQ	CRVL	Thu, May 13, 1993	1.22	1.33	1.22	1.33
322	NASDAQ	CRVL	Wed, May 12, 1993	1.22	1.33	1.22	1.24
321	NASDAQ	CRVL	Tue, May 11, 1993	1.19	1.33	1.19	1.31
320	NASDAQ	CRVL	Mon, May 10, 1993	1.24	1.28	1.19	1.28
319	NASDAQ	CRVL	Fri, May 7, 1993	1.19	1.25	1.19	1.25
318	NASDAQ	CRVL	Thu, May 6, 1993	1.19	1.25	1.19	1.25
317	NASDAQ	CRVL	Wed, May 5, 1993	1.25	1.25	1.17	1.22
316	NASDAQ	CRVL	Tue, May 4, 1993	1.19	1.25	1.17	1.19
315	NASDAQ	CRVL	Mon, May 3, 1993	1.25	1.25	1.19	1.21
314	NASDAQ	CRVL	Fri, Apr 30, 1993	1.17	1.18	1.17	1.17
313	NASDAQ	CRVL	Thu, Apr 29, 1993	1.25	1.25	1.17	1.17
312	NASDAQ	CRVL	Wed, Apr 28, 1993	1.25	1.25	1.17	1.17
311	NASDAQ	CRVL	Tue, Apr 27, 1993	1.17	1.17	1.17	1.17
310	NASDAQ	CRVL	Mon, Apr 26, 1993	1.25	1.25	1.17	1.17
309	NASDAQ	CRVL	Fri, Apr 23, 1993	1.11	1.25	1.11	1.17
308	NASDAQ	CRVL	Thu, Apr 22, 1993	1.19	1.19	1.08	1.08
307	NASDAQ	CRVL	Wed, Apr 21, 1993	1.28	1.33	1.22	1.22
306	NASDAQ	CRVL	Tue, Apr 20, 1993	1.33	1.35	1.31	1.35
305	NASDAQ	CRVL	Mon, Apr 19, 1993	1.39	1.39	1.33	1.39
304	NASDAQ	CRVL	Fri, Apr 16, 1993	1.29	1.36	1.28	1.36
303	NASDAQ	CRVL	Thu, Apr 15, 1993	1.44	1.44	1.28	1.35
302	NASDAQ	CRVL	Wed, Apr 14, 1993	1.33	1.33	1.33	1.33
301	NASDAQ	CRVL	Tue, Apr 13, 1993	1.42	1.50	1.42	1.50
300	NASDAQ	CRVL	Mon, Apr 12, 1993	1.42	1.47	1.42	1.47
299	NASDAQ	CRVL	Thu, Apr 8, 1993	1.53	1.53	1.42	1.42
298	NASDAQ	CRVL	Wed, Apr 7, 1993	1.42	1.53	1.42	1.42
297	NASDAQ	CRVL	Tue, Apr 6, 1993	1.42	1.44	1.42	1.42
296	NASDAQ	CRVL	Mon, Apr 5, 1993	1.42	1.42	1.42	1.42
295	NASDAQ	CRVL	Fri, Apr 2, 1993	1.42	1.53	1.42	1.50
294	NASDAQ	CRVL	Thu, Apr 1, 1993	1.53	1.53	1.44	1.44
293	NASDAQ	CRVL	Wed, Mar 31, 1993	1.50	1.51	1.44	1.50
292	NASDAQ	CRVL	Tue, Mar 30, 1993	1.53	1.61	1.53	1.53
291	NASDAQ	CRVL	Mon, Mar 29, 1993	1.53	1.61	1.53	1.53
290	NASDAQ	CRVL	Fri, Mar 26, 1993	1.56	1.61	1.56	1.61
289	NASDAQ	CRVL	Thu, Mar 25, 1993	1.51	1.58	1.47	1.53
288	NASDAQ	CRVL	Wed, Mar 24, 1993	1.47	1.56	1.47	1.54
287	NASDAQ	CRVL	Tue, Mar 23, 1993	1.47	1.56	1.47	1.47
286	NASDAQ	CRVL	Mon, Mar 22, 1993	1.47	1.56	1.47	1.56
285	NASDAQ	CRVL	Fri, Mar 19, 1993	1.50	1.56	1.47	1.56
284	NASDAQ	CRVL	Thu, Mar 18, 1993	1.53	1.53	1.53	1.53
283	NASDAQ	CRVL	Wed, Mar 17, 1993	1.50	1.56	1.50	1.56
282	NASDAQ	CRVL	Tue, Mar 16, 1993	1.44	1.56	1.44	1.56
281	NASDAQ	CRVL	Mon, Mar 15, 1993	1.56	1.56	1.56	1.56
280	NASDAQ	CRVL	Fri, Mar 12, 1993	1.42	1.42	1.42	1.42
279	NASDAQ	CRVL	Wed, Mar 10, 1993	1.39	1.47	1.39	1.47
278	NASDAQ	CRVL	Tue, Mar 9, 1993	1.39	1.39	1.39	1.39
277	NASDAQ	CRVL	Mon, Mar 8, 1993	1.47	1.47	1.39	1.47
276	NASDAQ	CRVL	Fri, Mar 5, 1993	1.39	1.39	1.39	1.39
275	NASDAQ	CRVL	Thu, Mar 4, 1993	1.44	1.44	1.44	1.44
274	NASDAQ	CRVL	Tue, Mar 2, 1993	1.39	1.47	1.39	1.47
273	NASDAQ	CRVL	Fri, Feb 26, 1993	1.44	1.44	1.36	1.36
272	NASDAQ	CRVL	Thu, Feb 25, 1993	1.44	1.44	1.44	1.44
271	NASDAQ	CRVL	Wed, Feb 24, 1993	1.50	1.50	1.50	1.50
270	NASDAQ	CRVL	Tue, Feb 23, 1993	1.50	1.50	1.50	1.50
269	NASDAQ	CRVL	Mon, Feb 22, 1993	1.56	1.56	1.50	1.50
268	NASDAQ	CRVL	Fri, Feb 19, 1993	1.67	1.67	1.56	1.56
267	NASDAQ	CRVL	Thu, Feb 18, 1993	1.36	1.61	1.36	1.61
266	NASDAQ	CRVL	Wed, Feb 17, 1993	1.44	1.50	1.25	1.39
265	NASDAQ	CRVL	Tue, Feb 16, 1993	1.61	1.61	1.44	1.53
264	NASDAQ	CRVL	Fri, Feb 12, 1993	1.65	1.65	1.61	1.61
263	NASDAQ	CRVL	Thu, Feb 11, 1993	1.69	1.69	1.61	1.61
262	NASDAQ	CRVL	Wed, Feb 10, 1993	1.61	1.61	1.61	1.61
261	NASDAQ	CRVL	Tue, Feb 9, 1993	1.64	1.69	1.61	1.61
260	NASDAQ	CRVL	Mon, Feb 8, 1993	1.69	1.69	1.61	1.69
259	NASDAQ	CRVL	Fri, Feb 5, 1993	1.67	1.69	1.61	1.61
258	NASDAQ	CRVL	Thu, Feb 4, 1993	1.67	1.67	1.58	1.67
257	NASDAQ	CRVL	Wed, Feb 3, 1993	1.61	1.69	1.61	1.67
256	NASDAQ	CRVL	Tue, Feb 2, 1993	1.69	1.69	1.61	1.69
255	NASDAQ	CRVL	Fri, Jan 29, 1993	1.65	1.65	1.61	1.61
254	NASDAQ	CRVL	Thu, Jan 28, 1993	1.69	1.69	1.64	1.69
253	NASDAQ	CRVL	Wed, Jan 27, 1993	1.64	1.69	1.64	1.64
252	NASDAQ	CRVL	Tue, Jan 26, 1993	1.69	1.69	1.64	1.69
251	NASDAQ	CRVL	Mon, Jan 25, 1993	1.72	1.72	1.64	1.64
250	NASDAQ	CRVL	Fri, Jan 22, 1993	1.67	1.71	1.61	1.67
249	NASDAQ	CRVL	Thu, Jan 21, 1993	1.56	1.67	1.56	1.67
248	NASDAQ	CRVL	Wed, Jan 20, 1993	1.54	1.61	1.54	1.61
247	NASDAQ	CRVL	Tue, Jan 19, 1993	1.58	1.58	1.56	1.56
246	NASDAQ	CRVL	Mon, Jan 18, 1993	1.67	1.67	1.58	1.58
245	NASDAQ	CRVL	Fri, Jan 15, 1993	1.58	1.67	1.58	1.67
244	NASDAQ	CRVL	Thu, Jan 14, 1993	1.56	1.58	1.56	1.56
243	NASDAQ	CRVL	Wed, Jan 13, 1993	1.53	1.56	1.53	1.54
242	NASDAQ	CRVL	Tue, Jan 12, 1993	1.47	1.50	1.42	1.50
241	NASDAQ	CRVL	Mon, Jan 11, 1993	1.42	1.50	1.42	1.50
240	NASDAQ	CRVL	Fri, Jan 8, 1993	1.36	1.42	1.33	1.33
239	NASDAQ	CRVL	Thu, Jan 7, 1993	1.43	1.43	1.31	1.31
238	NASDAQ	CRVL	Wed, Jan 6, 1993	1.44	1.53	1.44	1.50
237	NASDAQ	CRVL	Tue, Jan 5, 1993	1.47	1.47	1.44	1.44
236	NASDAQ	CRVL	Mon, Jan 4, 1993	1.50	1.56	1.47	1.47
235	NASDAQ	CRVL	Thu, Dec 31, 1992	1.42	1.53	1.42	1.53
234	NASDAQ	CRVL	Wed, Dec 30, 1992	1.53	1.53	1.49	1.53
233	NASDAQ	CRVL	Tue, Dec 29, 1992	1.49	1.49	1.49	1.49
232	NASDAQ	CRVL	Mon, Dec 28, 1992	1.44	1.44	1.44	1.44
231	NASDAQ	CRVL	Wed, Dec 23, 1992	1.49	1.49	1.44	1.49
230	NASDAQ	CRVL	Tue, Dec 22, 1992	1.44	1.47	1.44	1.44
229	NASDAQ	CRVL	Mon, Dec 21, 1992	1.44	1.44	1.44	1.44
228	NASDAQ	CRVL	Fri, Dec 18, 1992	1.44	1.47	1.44	1.47
227	NASDAQ	CRVL	Thu, Dec 17, 1992	1.46	1.53	1.44	1.47
226	NASDAQ	CRVL	Wed, Dec 16, 1992	1.53	1.53	1.44	1.53
225	NASDAQ	CRVL	Tue, Dec 15, 1992	1.44	1.53	1.44	1.53
224	NASDAQ	CRVL	Mon, Dec 14, 1992	1.61	1.61	1.47	1.47
223	NASDAQ	CRVL	Fri, Dec 11, 1992	1.58	1.67	1.56	1.56
222	NASDAQ	CRVL	Thu, Dec 10, 1992	1.58	1.65	1.58	1.58
221	NASDAQ	CRVL	Wed, Dec 9, 1992	1.64	1.67	1.58	1.67
220	NASDAQ	CRVL	Tue, Dec 8, 1992	1.67	1.75	1.67	1.67
219	NASDAQ	CRVL	Mon, Dec 7, 1992	1.67	1.75	1.67	1.67
218	NASDAQ	CRVL	Fri, Dec 4, 1992	1.72	1.72	1.67	1.67
217	NASDAQ	CRVL	Thu, Dec 3, 1992	1.64	1.72	1.64	1.67
216	NASDAQ	CRVL	Wed, Dec 2, 1992	1.72	1.72	1.64	1.72
215	NASDAQ	CRVL	Tue, Dec 1, 1992	1.81	1.81	1.64	1.67
214	NASDAQ	CRVL	Mon, Nov 30, 1992	1.72	1.81	1.72	1.81
213	NASDAQ	CRVL	Fri, Nov 27, 1992	1.81	1.81	1.69	1.72
212	NASDAQ	CRVL	Wed, Nov 25, 1992	1.56	1.83	1.56	1.72
211	NASDAQ	CRVL	Tue, Nov 24, 1992	1.56	1.61	1.56	1.56
210	NASDAQ	CRVL	Mon, Nov 23, 1992	1.61	1.61	1.56	1.56
209	NASDAQ	CRVL	Fri, Nov 20, 1992	1.61	1.61	1.56	1.61
208	NASDAQ	CRVL	Thu, Nov 19, 1992	1.53	1.58	1.53	1.57
207	NASDAQ	CRVL	Wed, Nov 18, 1992	1.50	1.50	1.50	1.50
206	NASDAQ	CRVL	Tue, Nov 17, 1992	1.50	1.61	1.50	1.56
205	NASDAQ	CRVL	Mon, Nov 16, 1992	1.47	1.53	1.44	1.53
204	NASDAQ	CRVL	Fri, Nov 13, 1992	1.47	1.47	1.44	1.44
203	NASDAQ	CRVL	Thu, Nov 12, 1992	1.53	1.53	1.36	1.44
202	NASDAQ	CRVL	Wed, Nov 11, 1992	1.42	1.53	1.42	1.44
201	NASDAQ	CRVL	Tue, Nov 10, 1992	1.44	1.56	1.42	1.42
200	NASDAQ	CRVL	Mon, Nov 9, 1992	1.42	1.49	1.42	1.42
199	NASDAQ	CRVL	Fri, Nov 6, 1992	1.42	1.56	1.42	1.49
198	NASDAQ	CRVL	Thu, Nov 5, 1992	1.42	1.56	1.42	1.47
197	NASDAQ	CRVL	Wed, Nov 4, 1992	1.44	1.44	1.42	1.42
196	NASDAQ	CRVL	Tue, Nov 3, 1992	1.44	1.56	1.44	1.44
195	NASDAQ	CRVL	Mon, Nov 2, 1992	1.56	1.56	1.44	1.50
194	NASDAQ	CRVL	Fri, Oct 30, 1992	1.44	1.56	1.33	1.56
193	NASDAQ	CRVL	Thu, Oct 29, 1992	1.36	1.36	1.25	1.25
192	NASDAQ	CRVL	Wed, Oct 28, 1992	1.36	1.36	1.22	1.33
191	NASDAQ	CRVL	Tue, Oct 27, 1992	1.33	1.33	1.19	1.22
190	NASDAQ	CRVL	Mon, Oct 26, 1992	1.28	1.28	1.17	1.17
189	NASDAQ	CRVL	Fri, Oct 23, 1992	1.28	1.28	1.17	1.21
188	NASDAQ	CRVL	Thu, Oct 22, 1992	1.17	1.25	1.17	1.19
187	NASDAQ	CRVL	Wed, Oct 21, 1992	1.17	1.28	1.17	1.17
186	NASDAQ	CRVL	Tue, Oct 20, 1992	1.11	1.17	1.03	1.14
185	NASDAQ	CRVL	Mon, Oct 19, 1992	1.03	1.11	1.00	1.06
184	NASDAQ	CRVL	Fri, Oct 16, 1992	1.00	1.08	1.00	1.06
183	NASDAQ	CRVL	Thu, Oct 15, 1992	1.00	1.08	1.00	1.08
182	NASDAQ	CRVL	Wed, Oct 14, 1992	1.06	1.08	1.06	1.08
181	NASDAQ	CRVL	Tue, Oct 13, 1992	1.11	1.11	1.00	1.07
180	NASDAQ	CRVL	Mon, Oct 12, 1992	1.08	1.08	1.08	1.08
179	NASDAQ	CRVL	Fri, Oct 9, 1992	1.00	1.00	1.00	1.00
178	NASDAQ	CRVL	Thu, Oct 8, 1992	1.00	1.00	1.00	1.00
177	NASDAQ	CRVL	Wed, Oct 7, 1992	1.06	1.06	1.00	1.00
176	NASDAQ	CRVL	Tue, Oct 6, 1992	1.00	1.07	1.00	1.00
175	NASDAQ	CRVL	Mon, Oct 5, 1992	1.00	1.07	1.00	1.01
174	NASDAQ	CRVL	Fri, Oct 2, 1992	1.11	1.11	1.00	1.00
173	NASDAQ	CRVL	Thu, Oct 1, 1992	1.11	1.11	1.03	1.11
172	NASDAQ	CRVL	Wed, Sep 30, 1992	1.00	1.17	1.00	1.17
171	NASDAQ	CRVL	Tue, Sep 29, 1992	1.00	1.00	1.00	1.00
170	NASDAQ	CRVL	Mon, Sep 28, 1992	1.11	1.11	1.00	1.11
169	NASDAQ	CRVL	Fri, Sep 25, 1992	1.06	1.08	1.00	1.03
168	NASDAQ	CRVL	Thu, Sep 24, 1992	1.14	1.17	1.08	1.11
167	NASDAQ	CRVL	Wed, Sep 23, 1992	1.17	1.17	1.11	1.11
166	NASDAQ	CRVL	Tue, Sep 22, 1992	1.14	1.17	1.14	1.14
165	NASDAQ	CRVL	Mon, Sep 21, 1992	1.11	1.11	1.11	1.11
164	NASDAQ	CRVL	Thu, Sep 17, 1992	1.11	1.11	1.11	1.11
163	NASDAQ	CRVL	Wed, Sep 16, 1992	1.11	1.14	1.11	1.14
162	NASDAQ	CRVL	Tue, Sep 15, 1992	1.17	1.17	1.08	1.14
161	NASDAQ	CRVL	Mon, Sep 14, 1992	1.08	1.17	1.08	1.08
160	NASDAQ	CRVL	Fri, Sep 11, 1992	1.08	1.11	1.03	1.11
159	NASDAQ	CRVL	Thu, Sep 10, 1992	1.17	1.22	1.11	1.11
158	NASDAQ	CRVL	Wed, Sep 9, 1992	1.14	1.17	1.11	1.11
157	NASDAQ	CRVL	Tue, Sep 8, 1992	1.11	1.22	1.11	1.17
156	NASDAQ	CRVL	Fri, Sep 4, 1992	1.15	1.15	1.15	1.15
155	NASDAQ	CRVL	Thu, Sep 3, 1992	1.11	1.25	1.11	1.25
154	NASDAQ	CRVL	Wed, Sep 2, 1992	1.19	1.25	1.11	1.19
153	NASDAQ	CRVL	Tue, Sep 1, 1992	1.11	1.19	1.11	1.19
152	NASDAQ	CRVL	Mon, Aug 31, 1992	1.17	1.25	1.17	1.18
151	NASDAQ	CRVL	Fri, Aug 28, 1992	1.25	1.25	1.11	1.25
150	NASDAQ	CRVL	Thu, Aug 27, 1992	1.11	1.25	1.11	1.22
149	NASDAQ	CRVL	Wed, Aug 26, 1992	1.17	1.17	1.17	1.17
148	NASDAQ	CRVL	Mon, Aug 24, 1992	1.22	1.22	1.17	1.17
147	NASDAQ	CRVL	Fri, Aug 21, 1992	1.25	1.25	1.17	1.17
146	NASDAQ	CRVL	Thu, Aug 20, 1992	1.17	1.25	1.14	1.25
145	NASDAQ	CRVL	Wed, Aug 19, 1992	1.14	1.25	1.14	1.22
144	NASDAQ	CRVL	Tue, Aug 18, 1992	1.17	1.22	1.14	1.22
143	NASDAQ	CRVL	Mon, Aug 17, 1992	1.19	1.19	1.14	1.14
142	NASDAQ	CRVL	Fri, Aug 14, 1992	1.25	1.25	1.19	1.19
141	NASDAQ	CRVL	Thu, Aug 13, 1992	1.19	1.31	1.19	1.19
140	NASDAQ	CRVL	Wed, Aug 12, 1992	1.19	1.19	1.19	1.19
139	NASDAQ	CRVL	Mon, Aug 10, 1992	1.22	1.31	1.14	1.22
138	NASDAQ	CRVL	Fri, Aug 7, 1992	1.22	1.22	1.22	1.22
137	NASDAQ	CRVL	Wed, Aug 5, 1992	1.11	1.22	1.11	1.11
136	NASDAQ	CRVL	Tue, Aug 4, 1992	1.11	1.22	1.11	1.22
135	NASDAQ	CRVL	Mon, Aug 3, 1992	1.11	1.17	1.11	1.11
134	NASDAQ	CRVL	Fri, Jul 31, 1992	1.19	1.19	1.11	1.19
133	NASDAQ	CRVL	Thu, Jul 30, 1992	1.11	1.17	1.11	1.11
132	NASDAQ	CRVL	Wed, Jul 29, 1992	1.14	1.17	1.14	1.17
131	NASDAQ	CRVL	Tue, Jul 28, 1992	1.17	1.17	1.08	1.13
130	NASDAQ	CRVL	Mon, Jul 27, 1992	1.17	1.17	1.11	1.11
129	NASDAQ	CRVL	Fri, Jul 24, 1992	1.17	1.22	1.11	1.17
128	NASDAQ	CRVL	Thu, Jul 23, 1992	1.31	1.31	1.22	1.25
127	NASDAQ	CRVL	Wed, Jul 22, 1992	1.14	1.19	1.14	1.17
126	NASDAQ	CRVL	Mon, Jul 20, 1992	1.25	1.25	1.17	1.22
125	NASDAQ	CRVL	Fri, Jul 17, 1992	1.25	1.25	1.25	1.25
124	NASDAQ	CRVL	Thu, Jul 16, 1992	1.31	1.31	1.25	1.25
123	NASDAQ	CRVL	Wed, Jul 15, 1992	1.28	1.39	1.28	1.31
122	NASDAQ	CRVL	Tue, Jul 14, 1992	1.28	1.28	1.28	1.28
121	NASDAQ	CRVL	Mon, Jul 13, 1992	1.36	1.36	1.36	1.36
120	NASDAQ	CRVL	Fri, Jul 10, 1992	1.19	1.33	1.19	1.33
119	NASDAQ	CRVL	Thu, Jul 9, 1992	1.22	1.25	1.11	1.25
118	NASDAQ	CRVL	Wed, Jul 8, 1992	1.22	1.22	1.11	1.22
117	NASDAQ	CRVL	Tue, Jul 7, 1992	1.15	1.22	1.15	1.22
116	NASDAQ	CRVL	Mon, Jul 6, 1992	1.22	1.22	1.22	1.22
115	NASDAQ	CRVL	Thu, Jul 2, 1992	1.14	1.22	1.14	1.22
114	NASDAQ	CRVL	Wed, Jul 1, 1992	1.14	1.22	1.14	1.22
113	NASDAQ	CRVL	Tue, Jun 30, 1992	1.14	1.18	1.14	1.14
112	NASDAQ	CRVL	Mon, Jun 29, 1992	1.15	1.17	1.11	1.11
111	NASDAQ	CRVL	Fri, Jun 26, 1992	1.11	1.18	1.11	1.11
110	NASDAQ	CRVL	Thu, Jun 25, 1992	1.25	1.25	1.11	1.17
109	NASDAQ	CRVL	Wed, Jun 24, 1992	1.25	1.33	1.25	1.25
108	NASDAQ	CRVL	Tue, Jun 23, 1992	1.29	1.33	1.25	1.33
107	NASDAQ	CRVL	Mon, Jun 22, 1992	1.25	1.33	1.22	1.28
106	NASDAQ	CRVL	Fri, Jun 19, 1992	1.36	1.36	1.25	1.25
105	NASDAQ	CRVL	Thu, Jun 18, 1992	1.33	1.43	1.33	1.33
104	NASDAQ	CRVL	Wed, Jun 17, 1992	1.38	1.40	1.38	1.40
103	NASDAQ	CRVL	Tue, Jun 16, 1992	1.36	1.36	1.36	1.36
102	NASDAQ	CRVL	Mon, Jun 15, 1992	1.42	1.47	1.36	1.39
101	NASDAQ	CRVL	Fri, Jun 12, 1992	1.42	1.42	1.42	1.42
100	NASDAQ	CRVL	Wed, Jun 10, 1992	1.42	1.47	1.42	1.47
99	NASDAQ	CRVL	Tue, Jun 9, 1992	1.42	1.47	1.42	1.44
98	NASDAQ	CRVL	Mon, Jun 8, 1992	1.58	1.58	1.58	1.58
97	NASDAQ	CRVL	Fri, Jun 5, 1992	1.56	1.61	1.50	1.54
96	NASDAQ	CRVL	Thu, Jun 4, 1992	1.56	1.60	1.56	1.60
95	NASDAQ	CRVL	Wed, Jun 3, 1992	1.50	1.61	1.50	1.61
94	NASDAQ	CRVL	Tue, Jun 2, 1992	1.47	1.54	1.47	1.50
93	NASDAQ	CRVL	Mon, Jun 1, 1992	1.53	1.56	1.47	1.56
92	NASDAQ	CRVL	Fri, May 29, 1992	1.50	1.61	1.50	1.56
91	NASDAQ	CRVL	Thu, May 28, 1992	1.50	1.56	1.47	1.50
90	NASDAQ	CRVL	Wed, May 27, 1992	1.56	1.57	1.56	1.57
89	NASDAQ	CRVL	Tue, May 26, 1992	1.47	1.47	1.47	1.47
88	NASDAQ	CRVL	Fri, May 22, 1992	1.50	1.56	1.50	1.56
87	NASDAQ	CRVL	Thu, May 21, 1992	1.53	1.58	1.42	1.50
86	NASDAQ	CRVL	Wed, May 20, 1992	1.61	1.64	1.53	1.64
85	NASDAQ	CRVL	Tue, May 19, 1992	1.56	1.64	1.56	1.56
84	NASDAQ	CRVL	Mon, May 18, 1992	1.56	1.61	1.50	1.50
83	NASDAQ	CRVL	Fri, May 15, 1992	1.56	1.56	1.56	1.56
82	NASDAQ	CRVL	Thu, May 14, 1992	1.56	1.64	1.53	1.53
81	NASDAQ	CRVL	Wed, May 13, 1992	1.67	1.67	1.56	1.56
80	NASDAQ	CRVL	Tue, May 12, 1992	1.57	1.57	1.56	1.56
79	NASDAQ	CRVL	Mon, May 11, 1992	1.58	1.67	1.58	1.67
78	NASDAQ	CRVL	Fri, May 8, 1992	1.64	1.69	1.58	1.58
77	NASDAQ	CRVL	Thu, May 7, 1992	1.61	1.69	1.58	1.65
76	NASDAQ	CRVL	Wed, May 6, 1992	1.83	1.83	1.64	1.64
75	NASDAQ	CRVL	Tue, May 5, 1992	1.67	1.92	1.67	1.79
74	NASDAQ	CRVL	Mon, May 4, 1992	1.58	1.78	1.56	1.75
73	NASDAQ	CRVL	Fri, May 1, 1992	1.50	1.61	1.50	1.50
72	NASDAQ	CRVL	Thu, Apr 30, 1992	1.64	1.64	1.56	1.56
71	NASDAQ	CRVL	Wed, Apr 29, 1992	1.53	1.56	1.53	1.56
70	NASDAQ	CRVL	Tue, Apr 28, 1992	1.58	1.61	1.53	1.57
69	NASDAQ	CRVL	Mon, Apr 27, 1992	1.67	1.69	1.61	1.61
68	NASDAQ	CRVL	Fri, Apr 24, 1992	1.67	1.67	1.67	1.67
67	NASDAQ	CRVL	Thu, Apr 23, 1992	1.75	1.76	1.69	1.72
66	NASDAQ	CRVL	Wed, Apr 22, 1992	1.75	1.75	1.75	1.75
65	NASDAQ	CRVL	Tue, Apr 21, 1992	1.75	1.83	1.75	1.75
64	NASDAQ	CRVL	Mon, Apr 20, 1992	1.75	1.78	1.75	1.75
63	NASDAQ	CRVL	Thu, Apr 16, 1992	1.89	1.89	1.81	1.81
62	NASDAQ	CRVL	Wed, Apr 15, 1992	1.81	1.83	1.81	1.83
61	NASDAQ	CRVL	Tue, Apr 14, 1992	1.83	1.83	1.83	1.83
60	NASDAQ	CRVL	Mon, Apr 13, 1992	1.75	1.75	1.75	1.75
59	NASDAQ	CRVL	Fri, Apr 10, 1992	1.78	1.83	1.78	1.83
58	NASDAQ	CRVL	Thu, Apr 9, 1992	1.72	1.78	1.72	1.78
57	NASDAQ	CRVL	Wed, Apr 8, 1992	1.72	1.72	1.72	1.72
56	NASDAQ	CRVL	Tue, Apr 7, 1992	1.72	1.72	1.72	1.72
55	NASDAQ	CRVL	Mon, Apr 6, 1992	1.75	1.78	1.72	1.72
54	NASDAQ	CRVL	Fri, Apr 3, 1992	1.78	1.81	1.75	1.78
53	NASDAQ	CRVL	Thu, Apr 2, 1992	1.78	1.83	1.78	1.78
52	NASDAQ	CRVL	Wed, Apr 1, 1992	1.83	1.85	1.78	1.78
51	NASDAQ	CRVL	Tue, Mar 31, 1992	1.75	1.89	1.75	1.89
50	NASDAQ	CRVL	Mon, Mar 30, 1992	1.83	1.83	1.75	1.75
49	NASDAQ	CRVL	Fri, Mar 27, 1992	1.75	1.75	1.75	1.75
48	NASDAQ	CRVL	Thu, Mar 26, 1992	1.75	1.81	1.75	1.75
47	NASDAQ	CRVL	Wed, Mar 25, 1992	1.75	1.75	1.75	1.75
46	NASDAQ	CRVL	Tue, Mar 24, 1992	1.81	1.81	1.75	1.75
45	NASDAQ	CRVL	Mon, Mar 23, 1992	1.83	1.83	1.81	1.83
44	NASDAQ	CRVL	Fri, Mar 20, 1992	1.81	1.83	1.81	1.83
43	NASDAQ	CRVL	Thu, Mar 19, 1992	1.81	1.86	1.81	1.86
42	NASDAQ	CRVL	Wed, Mar 18, 1992	1.81	1.86	1.81	1.86
41	NASDAQ	CRVL	Tue, Mar 17, 1992	1.86	1.86	1.81	1.81
40	NASDAQ	CRVL	Mon, Mar 16, 1992	1.92	1.92	1.92	1.92
39	NASDAQ	CRVL	Fri, Mar 13, 1992	1.82	1.83	1.81	1.81
38	NASDAQ	CRVL	Thu, Mar 12, 1992	1.81	1.83	1.81	1.81
37	NASDAQ	CRVL	Wed, Mar 11, 1992	1.94	1.94	1.83	1.83
36	NASDAQ	CRVL	Tue, Mar 10, 1992	1.83	1.94	1.83	1.94
35	NASDAQ	CRVL	Mon, Mar 9, 1992	1.83	1.89	1.83	1.83
34	NASDAQ	CRVL	Fri, Mar 6, 1992	1.89	1.92	1.86	1.89
33	NASDAQ	CRVL	Thu, Mar 5, 1992	1.97	1.97	1.89	1.89
32	NASDAQ	CRVL	Wed, Mar 4, 1992	2.00	2.06	1.97	2.03
31	NASDAQ	CRVL	Tue, Mar 3, 1992	1.92	2.00	1.89	1.89
30	NASDAQ	CRVL	Mon, Mar 2, 1992	1.92	1.92	1.83	1.92
29	NASDAQ	CRVL	Fri, Feb 28, 1992	1.92	1.92	1.86	1.86
28	NASDAQ	CRVL	Thu, Feb 27, 1992	1.92	1.92	1.81	1.89
27	NASDAQ	CRVL	Wed, Feb 26, 1992	1.85	1.89	1.81	1.89
26	NASDAQ	CRVL	Tue, Feb 25, 1992	1.81	1.89	1.72	1.89
25	NASDAQ	CRVL	Mon, Feb 24, 1992	1.89	1.97	1.72	1.72
24	NASDAQ	CRVL	Fri, Feb 21, 1992	2.00	2.00	1.89	1.89
23	NASDAQ	CRVL	Thu, Feb 20, 1992	1.89	2.00	1.89	1.92
22	NASDAQ	CRVL	Wed, Feb 19, 1992	1.86	1.92	1.72	1.83
21	NASDAQ	CRVL	Tue, Feb 18, 1992	1.75	1.94	1.75	1.86
20	NASDAQ	CRVL	Fri, Feb 14, 1992	1.97	2.06	1.81	1.81
19	NASDAQ	CRVL	Thu, Feb 13, 1992	1.86	2.06	1.69	1.97
18	NASDAQ	CRVL	Wed, Feb 12, 1992	2.14	2.14	1.89	1.92
17	NASDAQ	CRVL	Tue, Feb 11, 1992	2.17	2.25	2.06	2.14
16	NASDAQ	CRVL	Mon, Feb 10, 1992	2.31	2.31	2.17	2.17
15	NASDAQ	CRVL	Fri, Feb 7, 1992	2.39	2.39	2.19	2.28
14	NASDAQ	CRVL	Thu, Feb 6, 1992	2.28	2.42	2.25	2.42
13	NASDAQ	CRVL	Wed, Feb 5, 1992	2.39	2.39	2.25	2.25
12	NASDAQ	CRVL	Tue, Feb 4, 1992	2.33	2.33	2.28	2.31
11	NASDAQ	CRVL	Mon, Feb 3, 1992	2.31	2.33	2.26	2.33
10	NASDAQ	CRVL	Fri, Jan 31, 1992	2.36	2.36	2.28	2.31
9	NASDAQ	CRVL	Thu, Jan 30, 1992	2.42	2.42	2.33	2.39
8	NASDAQ	CRVL	Wed, Jan 29, 1992	2.36	2.53	2.31	2.40
7	NASDAQ	CRVL	Tue, Jan 28, 1992	2.39	2.44	2.26	2.36
6	NASDAQ	CRVL	Mon, Jan 27, 1992	2.39	2.42	2.28	2.28
5	NASDAQ	CRVL	Fri, Jan 24, 1992	2.44	2.50	2.39	2.42
4	NASDAQ	CRVL	Thu, Jan 23, 1992	2.64	2.67	2.47	2.47
3	NASDAQ	CRVL	Wed, Jan 22, 1992	2.28	2.61	2.28	2.61
2	NASDAQ	CRVL	Tue, Jan 21, 1992	2.53	2.53	2.19	2.31
1	NASDAQ	CRVL	Mon, Jan 20, 1992	2.44	2.53	2.44	2.53
#	Exchange	Symbol	Date	Open	High	Low	Close

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