Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	20.33	20.33	19.76	19.78	26,545	-0.02(-0.10%)
May 20, 2011	19.02	20.05	19.01	19.80	38,223	+0.85(+4.49%)
May 19, 2011	18.76	19.00	18.76	18.95	35,656	+0.05(+0.26%)
May 18, 2011	18.90	18.91	18.52	18.90	53,463	-0.12(-0.63%)
May 17, 2011	19.01	19.02	18.96	19.02	44,055	+0.01(+0.05%)
May 16, 2011	19.13	19.21	18.99	19.01	247,465	-0.04(-0.21%)
May 13, 2011	19.25	19.25	19.05	19.05	6,802	-0.20(-1.04%)
May 12, 2011	19.46	19.46	19.25	19.25	35,800	-0.11(-0.57%)
May 11, 2011	19.48	19.48	19.32	19.36	7,201	-0.05(-0.26%)
May 10, 2011	19.25	19.73	19.19	19.41	110,995	+0.31(+1.62%)
May 09, 2011	19.57	19.69	19.04	19.10	42,995	-0.60(-3.05%)
May 06, 2011	19.44	19.81	19.44	19.70	182,071	+0.28(+1.44%)
May 05, 2011	19.20	19.43	19.20	19.42	10,230	+0.32(+1.68%)
May 04, 2011	19.00	19.19	19.00	19.10	26,388	+0.10(+0.53%)
May 03, 2011	19.89	19.90	18.90	19.00	32,784	-0.69(-3.50%)
May 02, 2011	19.65	19.74	19.69	19.69	15,996	+0.01(+0.05%)
Apr 29, 2011	20.24	20.24	19.65	19.68	57,968	-0.53(-2.62%)
Apr 28, 2011	20.21	20.47	20.21	20.21	25,316	-0.07(-0.35%)
Apr 27, 2011	20.43	20.48	20.15	20.28	246,804	+0.01(+0.05%)
Apr 26, 2011	20.61	20.65	20.06	20.27	150,227	-0.38(-1.84%)
Apr 25, 2011	20.65	20.75	20.60	20.65	205,543	+0.00(+0.00%)
Apr 21, 2011	20.50	20.65	20.50	20.65	24,984	+0.08(+0.39%)
Apr 20, 2011	20.56	20.60	20.55	20.57	68,538	+0.00(+0.00%)
Apr 19, 2011	20.60	20.60	20.53	20.57	49,168	+0.01(+0.05%)
Apr 18, 2011	20.58	20.58	20.51	20.56	119,956	+0.00(+0.00%)
Apr 15, 2011	20.51	20.56	20.51	20.56	82,980	+0.02(+0.10%)
Apr 14, 2011	20.51	20.54	20.49	20.54	87,400	+0.03(+0.15%)
Apr 13, 2011	20.50	20.53	20.50	20.51	12,665	+0.01(+0.05%)
Apr 12, 2011	20.51	20.51	20.44	20.50	53,289	-0.06(-0.29%)
Apr 11, 2011	20.54	20.57	20.50	20.56	11,195	+0.05(+0.24%)
Apr 08, 2011	20.46	20.56	20.46	20.51	24,885	+0.00(+0.00%)
Apr 07, 2011	20.48	20.51	20.48	20.51	1,600	-0.01(-0.05%)
Apr 06, 2011	20.45	20.52	20.45	20.52	17,870	+0.01(+0.05%)
Apr 05, 2011	20.49	20.51	20.49	20.51	35,700	+0.00(+0.00%)
Apr 04, 2011	20.36	20.51	20.36	20.51	7,511	-0.02(-0.10%)
Apr 01, 2011	20.41	20.53	20.41	20.53	17,745	+0.03(+0.15%)
Mar 31, 2011	20.43	20.51	20.43	20.50	23,620	-0.03(-0.15%)
Mar 30, 2011	20.50	20.53	20.50	20.53	1,400	+0.03(+0.15%)
Mar 29, 2011	20.42	20.51	20.42	20.50	30,715	-0.04(-0.19%)
Mar 28, 2011	20.58	20.58	20.50	20.54	27,110	-0.04(-0.19%)
Mar 25, 2011	20.48	20.58	20.48	20.58	248,483	+0.09(+0.44%)
Mar 24, 2011	20.45	20.49	20.44	20.49	192,099	+0.04(+0.20%)
Mar 23, 2011	20.46	20.50	20.45	20.45	30,316	-0.05(-0.24%)
Mar 22, 2011	20.46	20.50	20.44	20.50	46,398	+0.02(+0.10%)
Mar 21, 2011	20.50	20.50	20.45	20.48	27,530	-0.02(-0.10%)
Mar 18, 2011	20.43	20.50	20.43	20.50	1,694	+0.01(+0.05%)
Mar 17, 2011	20.45	20.49	20.44	20.49	65,257	+0.01(+0.05%)
Mar 16, 2011	20.41	20.50	20.41	20.48	14,894	-0.01(-0.05%)
Mar 15, 2011	20.41	20.50	20.40	20.49	25,247	+0.00(+0.00%)
Mar 14, 2011	20.45	20.50	20.45	20.49	44,583	-0.01(-0.05%)
Mar 11, 2011	20.45	20.53	20.45	20.50	13,970	+0.01(+0.05%)
Mar 10, 2011	20.45	20.55	20.45	20.49	88,135	+0.04(+0.20%)
Mar 09, 2011	20.45	20.60	20.43	20.45	74,130	+0.00(+0.00%)
Mar 08, 2011	20.47	20.47	20.43	20.45	38,070	+0.00(+0.00%)
Mar 07, 2011	20.47	20.47	20.43	20.45	167,447	-0.02(-0.10%)
Mar 04, 2011	20.47	20.48	20.43	20.47	31,444	+0.00(+0.00%)
Mar 03, 2011	20.42	20.47	20.42	20.47	27,395	+0.05(+0.24%)
Mar 02, 2011	20.44	20.46	20.40	20.42	67,795	-0.04(-0.20%)
Mar 01, 2011	20.43	20.49	20.43	20.46	21,850	+0.04(+0.20%)
Feb 28, 2011	20.43	20.49	20.38	20.42	37,766	-0.03(-0.15%)
Feb 25, 2011	20.48	20.50	20.41	20.45	39,083	-0.03(-0.15%)
Feb 24, 2011	20.56	20.56	20.45	20.48	10,785	-0.07(-0.34%)
Feb 23, 2011	20.47	20.56	20.47	20.55	7,185	+0.05(+0.24%)
Feb 22, 2011	20.48	20.58	20.48	20.50	44,674	-0.09(-0.44%)
Feb 18, 2011	20.62	20.66	20.45	20.59	129,985	+0.03(+0.15%)
Feb 17, 2011	20.62	20.74	20.56	20.56	19,934	-0.19(-0.92%)
Feb 16, 2011	20.52	20.80	20.52	20.75	41,422	+0.00(+0.00%)
Feb 15, 2011	20.66	20.81	20.60	20.75	86,126	-0.05(-0.24%)
Feb 14, 2011	20.65	20.90	20.65	20.80	30,359	-0.12(-0.57%)
Feb 11, 2011	20.65	20.95	20.65	20.92	17,330	-0.02(-0.10%)
Feb 10, 2011	20.75	20.94	20.75	20.94	17,787	+0.00(+0.00%)
Feb 09, 2011	20.67	20.95	20.67	20.94	151,882	+0.14(+0.67%)
Feb 08, 2011	20.82	20.90	20.80	20.80	130,554	-0.08(-0.38%)
Feb 07, 2011	20.76	20.90	20.76	20.88	112,128	+0.01(+0.05%)
Feb 04, 2011	20.76	20.87	20.76	20.87	37,690	+0.12(+0.58%)
Feb 03, 2011	20.66	20.77	20.66	20.75	73,018	+0.10(+0.48%)
Feb 02, 2011	20.64	20.70	20.62	20.65	52,504	+0.00(+0.00%)
Feb 01, 2011	20.64	20.78	20.64	20.65	89,272	-0.13(-0.63%)
Jan 31, 2011	20.83	20.88	20.65	20.78	166,109	-0.02(-0.10%)
Jan 28, 2011	21.00	21.09	20.80	20.80	83,388	-0.25(-1.19%)
Jan 27, 2011	21.00	21.50	20.84	21.05	470,955	-0.16(-0.75%)
Jan 26, 2011	20.75	21.25	20.69	21.21	765,143	+1.61(+8.21%)
Jan 25, 2011	19.53	19.60	19.35	19.60	5,550	+0.08(+0.41%)
Jan 24, 2011	19.25	19.58	19.25	19.52	4,966	+0.27(+1.40%)
Jan 21, 2011	19.16	19.25	19.10	19.25	2,229	+0.07(+0.36%)
Jan 20, 2011	18.99	19.18	18.85	19.18	8,470	+0.02(+0.10%)
Jan 19, 2011	19.00	19.16	18.98	19.16	20,759	+0.12(+0.63%)
Jan 18, 2011	18.95	19.18	18.95	19.04	25,434	-0.04(-0.21%)
Jan 17, 2011	18.55	19.08	18.55	19.08	15,931	+0.26(+1.38%)
Jan 14, 2011	18.85	19.10	18.82	18.82	12,550	-0.03(-0.16%)
Jan 13, 2011	19.10	19.10	18.63	18.85	10,830	-0.15(-0.79%)
Jan 12, 2011	19.09	19.09	18.95	19.00	4,939	+0.00(+0.00%)
Jan 11, 2011	19.08	19.08	18.94	19.00	3,500	-0.05(-0.26%)

Data & News supplied by www.cloudquote.io
Stock quotes supplied by Barchart
Quotes delayed at least 20 minutes.
By accessing this page, you agree to the following
Privacy Policy and Terms and Conditions.