Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	56.60	57.36	56.60	56.80	1,874,832	+0.49(+0.86%)
May 23, 2011	56.33	56.83	56.17	56.32	1,823,290	-0.80(-1.40%)
May 20, 2011	57.74	57.96	56.74	57.12	1,343,373	-0.84(-1.45%)
May 19, 2011	58.11	58.11	57.21	57.96	1,658,783	+0.11(+0.19%)
May 18, 2011	56.46	57.88	56.24	57.85	1,217,764	+1.39(+2.45%)
May 17, 2011	56.48	56.98	55.90	56.46	2,517,198	-0.38(-0.67%)
May 16, 2011	56.63	57.28	56.48	56.84	2,005,383	-0.03(-0.06%)
May 13, 2011	57.21	57.36	56.33	56.88	1,582,642	-0.19(-0.33%)
May 12, 2011	56.07	57.12	55.58	57.07	1,394,442	+0.77(+1.36%)
May 11, 2011	56.87	57.20	55.61	56.30	1,846,858	-0.91(-1.59%)
May 10, 2011	56.46	57.55	56.16	57.21	1,909,942	+1.09(+1.94%)
May 09, 2011	55.89	56.36	55.38	56.12	1,138,495	+0.31(+0.55%)
May 06, 2011	56.88	57.05	55.45	55.81	1,708,154	-0.37(-0.66%)
May 05, 2011	55.10	56.79	54.84	56.18	2,094,978	+0.59(+1.07%)
May 04, 2011	56.00	56.83	55.22	55.59	1,735,796	-0.48(-0.85%)
May 03, 2011	56.60	56.91	55.75	56.07	1,802,154	-0.73(-1.29%)
May 02, 2011	56.89	56.91	56.69	56.80	1,555,699	-0.48(-0.84%)
Apr 29, 2011	56.55	57.51	56.28	57.28	1,450,822	+0.81(+1.43%)
Apr 28, 2011	56.68	56.87	56.21	56.47	1,397,847	-0.24(-0.42%)
Apr 27, 2011	55.19	56.79	54.92	56.71	2,127,381	+1.71(+3.10%)
Apr 26, 2011	55.31	55.54	54.76	55.00	2,068,311	-0.14(-0.25%)
Apr 25, 2011	55.12	55.27	54.83	55.14	1,597,385	-0.06(-0.10%)
Apr 21, 2011	54.28	55.48	54.15	55.20	2,167,192	+0.96(+1.76%)
Apr 20, 2011	53.58	54.41	53.44	54.24	2,275,218	+1.37(+2.59%)
Apr 19, 2011	52.71	53.41	52.70	52.88	2,306,771	+0.25(+0.47%)
Apr 18, 2011	52.90	53.18	52.15	52.63	2,465,688	-0.99(-1.85%)
Apr 15, 2011	52.25	53.77	51.96	53.62	2,937,145	+1.52(+2.91%)
Apr 14, 2011	50.95	52.21	50.74	52.10	3,098,252	+0.70(+1.36%)
Apr 13, 2011	50.90	51.45	50.57	51.40	2,542,561	+0.68(+1.35%)
Apr 12, 2011	50.79	51.42	50.56	50.71	1,253,198	-0.47(-0.92%)
Apr 11, 2011	50.94	51.30	50.60	51.18	1,496,402	+0.51(+1.01%)
Apr 08, 2011	51.64	51.73	50.42	50.67	1,298,615	-0.64(-1.25%)
Apr 07, 2011	51.13	52.04	50.46	51.32	2,382,019	-0.34(-0.65%)
Apr 06, 2011	52.48	52.67	51.48	51.65	1,354,773	-0.51(-0.98%)
Apr 05, 2011	51.28	52.60	51.27	52.17	2,243,949	+0.67(+1.30%)
Apr 04, 2011	51.46	51.65	50.90	51.50	1,159,528	-0.07(-0.14%)
Apr 01, 2011	50.94	51.82	50.89	51.57	1,772,020	+0.89(+1.76%)
Mar 31, 2011	50.69	51.00	50.06	50.68	1,922,072	-0.13(-0.26%)
Mar 30, 2011	50.19	50.87	49.91	50.81	2,160,006	+0.71(+1.42%)
Mar 29, 2011	48.29	50.10	48.29	50.10	2,035,920	+1.77(+3.65%)
Mar 28, 2011	49.57	49.72	48.34	48.34	2,298,542	-1.15(-2.33%)
Mar 25, 2011	49.44	49.97	49.07	49.49	2,276,237	+0.33(+0.67%)
Mar 24, 2011	49.44	49.61	48.39	49.16	2,246,512	+0.19(+0.39%)
Mar 23, 2011	48.92	49.45	47.76	48.97	2,635,860	-0.10(-0.20%)
Mar 22, 2011	49.49	49.67	48.87	49.07	3,297,124	-0.60(-1.21%)
Mar 21, 2011	49.70	50.03	49.27	49.67	7,957,373	+2.42(+5.11%)
Mar 18, 2011	47.43	47.59	46.61	47.26	4,068,046	+0.51(+1.09%)
Mar 17, 2011	47.08	47.37	46.00	46.75	3,072,076	+0.59(+1.27%)
Mar 16, 2011	47.27	47.78	45.66	46.16	4,128,653	-1.21(-2.55%)
Mar 15, 2011	46.80	49.16	46.70	47.37	6,584,697	-1.79(-3.64%)
Mar 14, 2011	50.46	50.65	48.35	49.16	6,855,610	-2.73(-5.27%)
Mar 11, 2011	50.18	52.07	49.97	51.89	2,418,721	+1.06(+2.08%)
Mar 10, 2011	51.70	51.83	50.72	50.83	2,171,337	-1.51(-2.89%)
Mar 09, 2011	52.26	52.43	51.70	52.34	1,903,970	+0.03(+0.06%)
Mar 08, 2011	51.82	53.07	51.65	52.31	2,627,699	+0.60(+1.16%)
Mar 07, 2011	52.57	53.54	51.45	51.71	2,803,673	+0.31(+0.61%)
Mar 04, 2011	50.96	51.47	50.73	51.40	1,625,869	+0.39(+0.76%)
Mar 03, 2011	50.33	51.10	49.81	51.01	1,602,298	+1.15(+2.31%)
Mar 02, 2011	49.43	50.38	49.26	49.86	1,345,269	+0.35(+0.71%)

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