Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	58.93	59.15	58.46	58.72	8,973,572	-0.41(-0.70%)
Apr 28, 2011	58.74	59.16	58.69	59.13	3,477,590	+0.26(+0.44%)
Apr 27, 2011	58.29	59.01	58.19	58.87	4,245,956	+0.96(+1.65%)
Apr 26, 2011	57.30	58.07	56.87	57.91	3,892,546	+0.81(+1.42%)
Apr 25, 2011	57.01	57.25	56.88	57.10	2,218,392	-0.15(-0.27%)
Apr 21, 2011	57.09	57.31	56.65	57.25	2,467,607	+0.23(+0.39%)
Apr 20, 2011	56.26	57.10	56.18	57.02	3,413,384	+1.34(+2.41%)
Apr 19, 2011	55.95	56.00	55.50	55.68	2,472,146	-0.14(-0.25%)
Apr 18, 2011	55.17	55.94	55.17	55.82	2,261,304	-0.05(-0.09%)
Apr 15, 2011	55.41	55.91	55.34	55.87	2,944,007	+0.46(+0.83%)
Apr 14, 2011	55.14	55.51	54.92	55.41	2,191,331	-0.05(-0.09%)
Apr 13, 2011	55.70	55.70	55.14	55.46	1,772,823	-0.03(-0.05%)
Apr 12, 2011	54.98	55.78	54.98	55.49	2,904,074	+0.18(+0.33%)
Apr 11, 2011	55.28	55.62	54.93	55.31	3,339,248	-0.15(-0.27%)
Apr 08, 2011	56.02	56.10	55.32	55.46	4,041,160	-1.02(-1.81%)
Apr 07, 2011	55.43	56.95	55.41	56.49	8,159,751	+2.05(+3.77%)
Apr 06, 2011	54.67	55.12	54.26	54.43	2,728,590	+0.04(+0.08%)
Apr 05, 2011	53.97	55.04	53.97	54.39	4,665,090	+0.55(+1.02%)
Apr 04, 2011	54.16	54.35	53.67	53.84	1,773,047	-0.06(-0.11%)
Apr 01, 2011	53.10	53.95	53.09	53.90	3,409,048	+0.68(+1.27%)
Mar 31, 2011	52.67	53.32	52.32	53.22	3,200,936	+0.37(+0.70%)
Mar 30, 2011	52.85	52.97	52.46	52.85	2,437,912	+0.66(+1.27%)
Mar 29, 2011	51.71	52.23	51.38	52.19	1,838,559	+0.46(+0.90%)
Mar 28, 2011	51.89	52.12	51.53	51.73	1,829,680	-0.15(-0.28%)
Mar 25, 2011	52.44	52.53	51.83	51.87	2,923,421	-0.47(-0.90%)
Mar 24, 2011	51.67	52.50	51.61	52.34	2,968,355	+0.86(+1.68%)
Mar 23, 2011	51.89	51.93	51.10	51.48	3,436,968	-0.46(-0.88%)
Mar 22, 2011	51.58	52.18	51.48	51.94	2,657,844	+0.37(+0.72%)
Mar 21, 2011	51.44	51.67	51.08	51.57	3,517,410	+0.28(+0.54%)
Mar 18, 2011	51.56	51.70	50.92	51.29	6,566,909	+0.15(+0.28%)
Mar 17, 2011	51.15	51.53	50.87	51.15	3,232,661	+0.51(+1.00%)
Mar 16, 2011	51.64	51.67	50.48	50.64	5,531,511	-1.31(-2.52%)
Mar 15, 2011	51.36	52.24	51.29	51.94	3,502,192	-0.20(-0.39%)
Mar 14, 2011	52.44	52.60	51.93	52.15	3,054,690	-0.52(-0.98%)
Mar 11, 2011	53.05	53.44	52.65	52.66	2,849,723	-0.60(-1.13%)
Mar 10, 2011	53.36	53.84	53.08	53.26	3,267,941	-0.57(-1.05%)
Mar 09, 2011	53.34	53.90	53.05	53.83	2,653,842	+0.39(+0.73%)
Mar 08, 2011	52.33	53.76	52.33	53.44	3,603,615	+1.04(+1.98%)
Mar 07, 2011	52.98	52.98	52.28	52.40	4,277,554	-0.45(-0.85%)
Mar 04, 2011	52.63	52.89	52.42	52.85	3,689,248	+0.23(+0.44%)
Mar 03, 2011	52.44	52.70	51.99	52.62	4,112,829	+0.53(+1.02%)
Mar 02, 2011	53.35	53.55	51.44	52.09	8,537,966	-1.35(-2.53%)
Mar 01, 2011	54.52	54.72	53.30	53.44	4,831,695	-0.85(-1.56%)
Feb 28, 2011	53.66	54.40	53.61	54.29	4,555,288	+0.89(+1.66%)
Feb 25, 2011	53.17	53.74	53.16	53.40	2,504,671	+0.43(+0.81%)
Feb 24, 2011	52.84	53.37	52.48	52.97	2,545,837	+0.10(+0.19%)
Feb 23, 2011	53.57	53.57	52.56	52.87	3,834,830	-0.76(-1.42%)
Feb 22, 2011	54.52	54.74	53.60	53.63	2,914,613	-1.12(-2.04%)
Feb 18, 2011	54.31	54.79	53.93	54.75	2,935,577	+0.43(+0.79%)
Feb 17, 2011	53.92	54.45	53.76	54.32	1,873,708	-0.09(-0.16%)
Feb 16, 2011	54.08	54.51	54.01	54.41	1,976,828	+0.46(+0.85%)
Feb 15, 2011	53.97	54.11	53.80	53.95	2,011,535	-0.24(-0.44%)
Feb 14, 2011	54.48	54.52	54.09	54.19	1,680,724	-0.28(-0.51%)
Feb 11, 2011	53.76	54.48	53.76	54.47	2,311,920	+0.36(+0.66%)
Feb 10, 2011	54.03	54.19	53.67	54.11	2,670,684	-0.09(-0.16%)
Feb 09, 2011	53.98	54.27	53.80	54.20	2,405,276	+0.05(+0.10%)
Feb 08, 2011	53.73	54.16	53.65	54.15	2,446,962	+0.40(+0.74%)
Feb 07, 2011	53.54	53.77	53.29	53.75	3,380,290	+0.09(+0.16%)
Feb 04, 2011	53.65	53.87	53.18	53.66	2,589,158	+0.07(+0.14%)
Feb 03, 2011	51.95	53.74	51.95	53.59	5,221,951	+2.30(+4.49%)
Feb 02, 2011	52.23	52.47	51.06	51.29	6,153,891	-1.14(-2.18%)

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