Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	55.39	56.94	55.39	55.78	822,332	+1.37(+2.52%)
May 23, 2011	54.19	54.92	53.77	54.41	913,335	-1.74(-3.10%)
May 20, 2011	56.10	57.03	54.76	56.15	1,049,639	-0.09(-0.17%)
May 19, 2011	56.70	57.12	55.32	56.24	1,137,954	+0.22(+0.39%)
May 18, 2011	54.42	56.79	54.02	56.03	1,155,123	+2.13(+3.94%)
May 17, 2011	53.38	54.45	52.66	53.90	1,746,144	-0.10(-0.19%)
May 16, 2011	54.39	56.12	53.70	54.00	1,568,037	-0.91(-1.66%)
May 13, 2011	55.68	56.34	53.89	54.92	1,606,398	-0.41(-0.75%)
May 12, 2011	54.93	56.10	53.27	55.33	2,159,128	-0.06(-0.11%)
May 11, 2011	58.08	58.10	54.66	55.39	1,334,302	-3.36(-5.72%)
May 10, 2011	58.32	59.21	57.26	58.75	1,094,702	+0.61(+1.05%)
May 09, 2011	56.88	58.72	56.61	58.14	1,671,090	+1.83(+3.24%)
May 06, 2011	56.84	58.74	55.22	56.32	2,070,204	+0.35(+0.63%)
May 05, 2011	56.56	57.72	54.62	55.96	2,888,865	-2.34(-4.02%)
May 04, 2011	60.07	60.21	57.32	58.31	1,672,683	-2.16(-3.57%)
May 03, 2011	62.75	62.80	59.43	60.47	989,266	-3.05(-4.80%)
May 02, 2011	63.17	63.61	62.73	63.51	859,058	-1.86(-2.84%)
Apr 29, 2011	63.62	65.40	63.62	65.37	622,425	+1.90(+2.99%)
Apr 28, 2011	63.16	63.82	62.37	63.47	680,446	-0.16(-0.24%)
Apr 27, 2011	64.07	64.23	61.56	63.63	737,257	-0.06(-0.10%)
Apr 26, 2011	62.68	63.84	62.32	63.69	536,254	+1.27(+2.03%)
Apr 25, 2011	62.91	63.09	61.68	62.43	507,254	-0.63(-1.00%)
Apr 21, 2011	62.82	63.23	62.08	63.06	634,393	+0.65(+1.05%)
Apr 20, 2011	61.90	62.49	61.37	62.40	1,003,298	+2.66(+4.44%)
Apr 19, 2011	58.49	60.00	58.47	59.75	872,032	+1.28(+2.18%)
Apr 18, 2011	58.68	59.07	57.29	58.47	1,011,844	-1.91(-3.17%)
Apr 15, 2011	59.70	60.60	58.83	60.39	829,270	+1.02(+1.72%)
Apr 14, 2011	58.01	59.75	57.57	59.37	798,381	+0.70(+1.20%)
Apr 13, 2011	59.05	59.64	57.82	58.66	976,186	+0.36(+0.61%)
Apr 12, 2011	60.57	60.69	57.58	58.31	1,504,679	-3.66(-5.91%)
Apr 11, 2011	64.33	64.74	61.59	61.97	580,994	-2.41(-3.74%)
Apr 08, 2011	64.79	65.34	63.70	64.38	506,561	+0.35(+0.55%)
Apr 07, 2011	63.73	64.41	62.79	64.02	499,670	+0.18(+0.28%)
Apr 06, 2011	65.77	65.99	63.33	63.85	884,367	-1.28(-1.96%)
Apr 05, 2011	64.41	65.70	64.30	65.12	906,137	+0.45(+0.69%)
Apr 04, 2011	64.92	65.26	64.46	64.68	842,673	+0.06(+0.10%)
Apr 01, 2011	64.92	65.43	64.19	64.61	581,651	+0.42(+0.66%)
Mar 31, 2011	64.94	65.80	64.07	64.19	1,226,919	-0.25(-0.39%)
Mar 30, 2011	64.03	64.96	63.34	64.44	914,851	+1.08(+1.70%)
Mar 29, 2011	61.83	63.70	61.37	63.36	846,122	+1.39(+2.24%)
Mar 28, 2011	62.00	63.33	61.67	61.97	1,166,449	-0.16(-0.25%)
Mar 25, 2011	61.05	62.48	60.81	62.12	974,551	+1.14(+1.87%)
Mar 24, 2011	61.15	61.34	60.00	60.98	884,473	+0.34(+0.56%)
Mar 23, 2011	60.53	61.06	59.70	60.64	956,631	+0.12(+0.20%)
Mar 22, 2011	61.00	61.29	60.15	60.52	857,546	-0.31(-0.51%)
Mar 21, 2011	60.58	60.90	60.38	60.83	1,431,795	+3.24(+5.63%)
Mar 18, 2011	59.22	59.48	57.28	57.59	1,496,177	-0.31(-0.54%)
Mar 17, 2011	56.41	58.38	56.06	57.90	1,706,439	+3.26(+5.97%)
Mar 16, 2011	57.19	57.75	53.55	54.64	2,422,639	-2.13(-3.76%)
Mar 15, 2011	56.30	57.67	55.94	56.77	1,653,101	-0.90(-1.56%)
Mar 14, 2011	56.47	57.99	55.84	57.67	1,881,617	+0.47(+0.81%)
Mar 11, 2011	54.24	58.02	54.13	57.21	2,045,353	+1.86(+3.37%)
Mar 10, 2011	58.09	58.26	55.09	55.34	2,656,027	-4.35(-7.29%)
Mar 09, 2011	59.98	60.81	59.30	59.69	1,039,744	-0.73(-1.20%)
Mar 08, 2011	61.32	61.46	59.31	60.42	822,308	-0.98(-1.60%)
Mar 07, 2011	62.70	63.54	60.77	61.40	814,211	-0.69(-1.12%)
Mar 04, 2011	62.98	63.03	61.23	62.10	673,005	-0.77(-1.22%)
Mar 03, 2011	61.83	63.02	61.46	62.86	877,458	+1.70(+2.78%)
Mar 02, 2011	60.09	61.33	59.22	61.17	846,500	+0.59(+0.97%)

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