Date	Open	High	Low	Close	Volume	Change (%)
Jul 31, 2012	58.90	59.01	58.78	58.90	3,220,549	+0.07(+0.13%)
Jul 30, 2012	58.78	58.85	58.70	58.82	4,091,358	+0.01(+0.03%)
Jul 27, 2012	58.63	58.82	58.57	58.81	4,749,427	+0.25(+0.43%)
Jul 26, 2012	58.35	58.63	58.34	58.56	3,563,380	+0.47(+0.81%)
Jul 25, 2012	58.35	58.36	58.07	58.08	3,823,881	-0.10(-0.18%)
Jul 24, 2012	58.49	58.51	58.14	58.19	3,811,691	-0.37(-0.63%)
Jul 23, 2012	58.25	58.57	58.08	58.56	6,232,379	+0.06(+0.10%)
Jul 20, 2012	58.69	58.72	58.44	58.50	1,918,403	-0.35(-0.59%)
Jul 19, 2012	58.73	58.97	58.69	58.84	4,785,848	+0.10(+0.16%)
Jul 18, 2012	58.47	58.75	58.42	58.75	4,775,557	+0.30(+0.51%)
Jul 17, 2012	58.32	58.47	58.14	58.45	2,169,545	+0.28(+0.48%)
Jul 16, 2012	58.05	58.34	58.05	58.17	1,441,346	-0.15(-0.25%)
Jul 13, 2012	58.20	58.35	58.14	58.32	2,543,953	+0.22(+0.38%)
Jul 12, 2012	58.28	58.29	57.94	58.10	2,716,032	-0.22(-0.38%)
Jul 11, 2012	58.23	58.35	58.10	58.32	1,881,735	+0.27(+0.46%)
Jul 10, 2012	58.35	58.42	58.04	58.05	2,864,561	-0.21(-0.35%)
Jul 09, 2012	58.17	58.34	58.07	58.26	1,368,507	+0.06(+0.10%)
Jul 06, 2012	58.17	58.28	58.03	58.20	1,384,109	-0.04(-0.08%)
Jul 05, 2012	58.20	58.38	58.00	58.25	2,387,354	-0.06(-0.10%)
Jul 03, 2012	58.11	58.34	58.01	58.31	1,199,025	+0.27(+0.46%)
Jul 02, 2012	58.01	58.05	57.72	58.04	7,082,697	+0.11(+0.19%)
Jun 29, 2012	57.87	57.97	57.72	57.93	4,181,876	+0.43(+0.74%)
Jun 28, 2012	57.33	57.53	57.30	57.50	2,066,697	-0.03(-0.05%)
Jun 27, 2012	57.34	57.55	57.25	57.53	1,726,002	+0.32(+0.56%)
Jun 26, 2012	57.33	57.33	57.00	57.21	3,283,207	-0.06(-0.10%)
Jun 25, 2012	57.12	57.30	57.03	57.27	2,953,796	-0.03(-0.05%)
Jun 22, 2012	57.21	57.37	57.18	57.30	3,377,290	+0.26(+0.45%)
Jun 21, 2012	57.44	57.53	56.92	57.04	4,193,866	-0.33(-0.58%)
Jun 20, 2012	57.25	57.44	57.11	57.37	3,571,362	+0.19(+0.33%)
Jun 19, 2012	56.99	57.30	56.90	57.18	2,958,526	+0.50(+0.88%)
Jun 18, 2012	56.65	56.78	56.58	56.68	1,554,257	-0.10(-0.18%)
Jun 15, 2012	56.58	56.81	56.52	56.78	2,478,750	+0.19(+0.34%)
Jun 14, 2012	56.25	56.64	56.25	56.59	2,485,789	+0.28(+0.50%)
Jun 13, 2012	56.40	56.50	56.12	56.31	2,302,580	-0.15(-0.26%)
Jun 12, 2012	56.20	56.52	56.14	56.46	4,188,781	+0.44(+0.79%)
Jun 11, 2012	56.53	56.54	56.01	56.02	4,207,923	-0.29(-0.52%)
Jun 08, 2012	56.15	56.47	56.09	56.31	5,695,414	+0.15(+0.26%)
Jun 07, 2012	56.28	56.40	56.01	56.17	3,918,585	+0.21(+0.37%)
Jun 06, 2012	55.59	56.01	55.58	55.96	4,287,459	+0.48(+0.87%)
Jun 05, 2012	55.17	55.61	55.14	55.48	3,200,423	+0.21(+0.37%)
Jun 04, 2012	55.18	55.48	55.15	55.27	4,877,458	+0.09(+0.16%)
Jun 01, 2012	55.20	55.52	55.07	55.18	7,829,387	-0.42(-0.75%)
May 31, 2012	56.28	56.30	55.60	55.60	12,675,207	-0.60(-1.06%)
May 30, 2012	56.20	56.30	56.14	56.20	2,082,879	-0.28(-0.49%)
May 29, 2012	56.20	56.53	56.17	56.47	3,003,396	+0.47(+0.83%)
May 25, 2012	56.18	56.18	55.95	56.01	1,903,905	-0.07(-0.13%)
May 24, 2012	56.20	56.21	55.99	56.08	1,986,767	+0.03(+0.05%)
May 23, 2012	55.96	56.21	55.86	56.05	4,414,464	-0.04(-0.08%)
May 22, 2012	56.21	56.46	56.05	56.09	4,922,653	-0.04(-0.08%)
May 21, 2012	55.89	56.24	55.86	56.14	4,884,089	+0.38(+0.68%)
May 18, 2012	55.93	56.24	55.67	55.76	9,438,356	+0.04(+0.08%)
May 17, 2012	56.47	56.49	55.48	55.72	12,135,790	-0.73(-1.29%)
May 16, 2012	57.01	57.17	56.44	56.44	5,197,652	-0.54(-0.95%)
May 15, 2012	57.31	57.31	56.94	56.98	5,009,064	-0.25(-0.43%)
May 14, 2012	57.51	57.55	57.16	57.23	4,616,850	-0.47(-0.81%)
May 11, 2012	57.48	57.83	57.48	57.70	3,282,223	+0.12(+0.20%)
May 10, 2012	57.83	57.85	57.51	57.58	5,166,482	+0.00(+0.00%)
May 09, 2012	57.66	57.68	57.48	57.58	4,843,032	-0.22(-0.38%)
May 08, 2012	57.74	57.82	57.60	57.80	3,033,181	+0.00(+0.00%)
May 07, 2012	57.77	57.93	57.64	57.80	2,314,204	+0.03(+0.06%)
May 04, 2012	57.71	57.79	57.66	57.77	2,317,921	+0.01(+0.02%)
May 03, 2012	57.77	57.92	57.70	57.76	3,316,153	-0.09(-0.15%)
May 02, 2012	57.70	57.90	57.63	57.85	2,565,618	+0.04(+0.08%)
May 01, 2012	57.71	57.87	57.66	57.80	5,150,767	+0.20(+0.35%)
Apr 30, 2012	57.49	57.63	57.43	57.60	4,400,182	+0.17(+0.30%)
Apr 27, 2012	57.56	57.56	57.34	57.43	2,333,406	-0.09(-0.15%)
Apr 26, 2012	57.41	57.59	57.40	57.52	2,406,782	+0.06(+0.10%)
Apr 25, 2012	57.25	57.46	57.17	57.46	1,867,145	+0.43(+0.76%)
Apr 24, 2012	56.99	57.07	56.93	57.02	1,875,361	+0.10(+0.18%)
Apr 23, 2012	56.81	57.02	56.72	56.92	2,496,376	-0.04(-0.08%)
Apr 20, 2012	57.04	57.08	56.89	56.96	3,210,301	+0.12(+0.20%)
Apr 19, 2012	57.02	57.07	56.83	56.85	1,924,903	-0.16(-0.28%)
Apr 18, 2012	56.94	57.10	56.94	57.01	3,754,491	-0.01(-0.01%)
Apr 17, 2012	56.86	57.10	56.78	57.02	2,620,735	+0.28(+0.50%)
Apr 16, 2012	56.76	56.86	56.50	56.73	2,953,707	+0.09(+0.15%)
Apr 13, 2012	56.82	56.86	56.59	56.65	2,913,332	-0.19(-0.33%)
Apr 12, 2012	56.53	56.86	56.49	56.83	2,745,863	+0.41(+0.72%)
Apr 11, 2012	56.37	56.53	56.20	56.43	4,075,411	+0.33(+0.59%)
Apr 10, 2012	56.30	56.47	56.02	56.09	5,513,174	-0.20(-0.36%)
Apr 09, 2012	56.44	56.47	56.25	56.30	6,899,085	-0.20(-0.36%)
Apr 05, 2012	56.75	56.78	56.50	56.50	3,377,168	-0.28(-0.49%)
Apr 04, 2012	56.78	56.88	56.66	56.78	3,527,768	-0.07(-0.13%)
Apr 03, 2012	56.92	57.05	56.82	56.85	3,314,650	-0.01(-0.03%)
Apr 02, 2012	56.94	57.08	56.85	56.86	6,580,146	+0.13(+0.23%)
Mar 30, 2012	57.05	57.06	56.73	56.73	4,852,707	-0.19(-0.33%)
Mar 29, 2012	56.80	57.09	56.80	56.92	2,556,625	+0.00(+0.00%)
Mar 28, 2012	57.23	57.23	56.89	56.92	2,497,362	-0.33(-0.58%)
Mar 27, 2012	57.19	57.36	57.16	57.25	3,993,390	+0.06(+0.10%)
Mar 26, 2012	56.95	57.19	56.95	57.19	2,852,392	+0.40(+0.71%)
Mar 23, 2012	56.99	57.00	56.79	56.79	4,668,402	-0.19(-0.33%)
Mar 22, 2012	56.92	57.09	56.90	56.98	2,981,360	-0.03(-0.05%)
Mar 21, 2012	57.15	57.15	56.90	57.00	2,087,074	-0.09(-0.15%)
Mar 20, 2012	57.03	57.18	56.99	57.09	3,371,469	-0.09(-0.15%)
Mar 19, 2012	56.99	57.22	56.92	57.18	2,284,550	+0.16(+0.28%)
Mar 16, 2012	57.09	57.16	56.80	57.02	3,105,686	-0.07(-0.13%)
Mar 15, 2012	57.23	57.25	57.00	57.09	2,102,452	-0.17(-0.30%)
Mar 14, 2012	57.42	57.39	57.03	57.26	3,853,128	-0.16(-0.28%)
Mar 13, 2012	57.15	57.44	57.05	57.42	3,382,367	+0.46(+0.81%)
Mar 12, 2012	57.08	57.08	56.90	56.96	2,787,979	-0.09(-0.15%)
Mar 09, 2012	57.13	57.18	57.00	57.05	2,864,558	+0.00(+0.00%)
Mar 08, 2012	56.83	57.06	56.74	57.05	3,406,589	+0.46(+0.81%)
Mar 07, 2012	56.60	56.73	56.51	56.59	6,872,696	+0.10(+0.18%)
Mar 06, 2012	56.92	56.93	56.47	56.49	6,005,012	-0.66(-1.16%)
Mar 05, 2012	57.32	57.39	56.99	57.15	2,545,208	-0.14(-0.25%)
Mar 02, 2012	57.48	57.52	57.29	57.29	1,811,971	-0.17(-0.30%)
Mar 01, 2012	57.44	57.57	57.44	57.47	2,436,927	+0.04(+0.06%)
Feb 29, 2012	57.43	57.53	57.30	57.43	4,160,980	+0.01(+0.02%)
Feb 28, 2012	57.30	57.47	57.30	57.41	1,736,057	+0.20(+0.35%)
Feb 27, 2012	57.23	57.36	57.17	57.21	2,091,133	-0.03(-0.05%)
Feb 24, 2012	57.20	57.34	55.92	57.24	2,032,081	+0.06(+0.10%)
Feb 23, 2012	56.96	57.28	56.87	57.18	3,443,847	+0.34(+0.60%)
Feb 22, 2012	56.74	56.93	56.73	56.84	2,780,202	+0.14(+0.25%)
Feb 21, 2012	56.65	56.83	56.51	56.70	2,814,814	+0.19(+0.33%)
Feb 17, 2012	56.64	56.64	56.38	56.51	2,453,721	+0.06(+0.10%)
Feb 16, 2012	56.34	56.53	56.14	56.45	3,908,057	+0.21(+0.38%)
Feb 15, 2012	56.50	56.60	56.22	56.24	2,755,859	-0.24(-0.43%)
Feb 14, 2012	56.58	56.60	56.48	56.48	4,205,923	-0.06(-0.10%)
Feb 13, 2012	56.73	56.74	56.51	56.54	3,439,898	+0.00(+0.00%)
Feb 10, 2012	56.55	56.65	56.50	56.54	4,589,424	-0.30(-0.53%)
Feb 09, 2012	56.78	56.88	56.65	56.84	11,254,362	+0.11(+0.20%)
Feb 08, 2012	56.78	56.85	56.63	56.73	3,587,843	+0.04(+0.08%)
Feb 07, 2012	56.65	56.81	56.51	56.68	5,243,373	+0.10(+0.18%)
Feb 06, 2012	56.57	56.58	56.41	56.58	2,451,663	+0.01(+0.03%)
Feb 03, 2012	56.68	56.71	56.47	56.57	2,854,007	+0.14(+0.25%)
Feb 02, 2012	56.48	56.48	56.31	56.43	3,160,199	-0.01(-0.03%)
Feb 01, 2012	56.34	56.61	56.31	56.44	4,282,393	+0.21(+0.37%)
Jan 31, 2012	56.40	56.40	56.17	56.23	3,065,198	+0.01(+0.03%)
Jan 30, 2012	56.05	56.29	55.97	56.22	3,094,600	+0.00(+0.00%)
Jan 27, 2012	56.39	56.44	56.22	56.22	2,417,542	-0.17(-0.30%)
Jan 26, 2012	56.49	56.60	56.32	56.39	7,254,481	+0.13(+0.23%)
Jan 25, 2012	55.83	56.36	55.72	56.26	3,906,817	+0.48(+0.87%)
Jan 24, 2012	55.72	55.92	55.60	55.78	3,301,494	+0.04(+0.08%)
Jan 23, 2012	55.59	55.89	55.58	55.73	3,973,624	+0.23(+0.41%)
Jan 20, 2012	55.46	55.61	55.42	55.50	3,307,835	+0.09(+0.15%)
Jan 19, 2012	55.38	55.63	55.26	55.42	5,773,236	+0.16(+0.28%)
Jan 18, 2012	55.01	55.35	54.92	55.26	4,214,697	+0.31(+0.57%)
Jan 17, 2012	55.12	55.18	54.92	54.95	3,952,603	-0.04(-0.08%)
Jan 13, 2012	54.92	55.03	54.54	54.99	2,754,099	+0.00(+0.00%)
Jan 12, 2012	55.13	55.13	54.86	54.99	3,011,849	+0.00(+0.00%)
Jan 11, 2012	55.02	55.15	54.99	54.99	3,146,715	-0.09(-0.16%)
Jan 10, 2012	55.12	55.18	55.03	55.08	4,900,849	+0.27(+0.49%)
Jan 09, 2012	54.88	54.99	54.81	54.81	2,921,011	+0.00(+0.00%)
Jan 06, 2012	54.96	55.01	54.71	54.81	2,630,346	-0.04(-0.08%)
Jan 05, 2012	55.01	55.01	54.74	54.85	4,090,756	-0.20(-0.36%)
Jan 04, 2012	55.03	55.09	54.69	55.05	3,954,039	+0.27(+0.49%)
Dec 30, 2011	54.79	54.96	54.76	54.78	1,447,426	-0.07(-0.13%)
Dec 29, 2011	54.71	54.95	54.61	54.85	2,394,661	+0.28(+0.52%)
Dec 28, 2011	54.71	54.79	54.44	54.56	1,748,314	-0.22(-0.41%)
Dec 27, 2011	54.65	54.80	54.45	54.79	2,186,770	+0.13(+0.23%)
Dec 23, 2011	54.42	54.70	54.30	54.66	2,130,603	+0.28(+0.52%)
Dec 21, 2011	54.01	54.39	53.89	54.38	4,019,788	+0.20(+0.36%)
Dec 20, 2011	53.93	54.18	53.86	54.18	4,461,959	+0.66(+1.24%)
Dec 19, 2011	53.58	53.82	53.47	53.52	2,818,019	-0.07(-0.13%)
Dec 16, 2011	53.49	53.61	53.37	53.59	1,861,418	+0.20(+0.37%)
Dec 15, 2011	53.54	53.54	53.32	53.40	1,998,857	+0.21(+0.40%)
Dec 14, 2011	53.28	53.35	53.06	53.18	3,068,860	-0.11(-0.21%)
Dec 13, 2011	53.61	53.73	53.20	53.30	2,143,948	-0.25(-0.47%)
Dec 12, 2011	53.49	53.55	53.30	53.55	1,857,541	-0.15(-0.29%)
Dec 09, 2011	53.54	53.72	53.47	53.70	1,846,105	+0.42(+0.79%)
Dec 08, 2011	53.34	53.55	53.24	53.28	2,439,342	-0.23(-0.42%)
Dec 07, 2011	53.70	53.73	53.41	53.51	2,097,851	-0.38(-0.70%)
Dec 06, 2011	53.54	53.97	53.41	53.89	3,635,685	+0.27(+0.50%)
Dec 05, 2011	53.58	53.83	53.40	53.62	4,389,762	+0.28(+0.53%)
Dec 02, 2011	53.18	53.40	53.02	53.34	4,100,965	+0.32(+0.61%)
Dec 01, 2011	52.85	53.13	52.79	53.02	4,077,323	+0.06(+0.12%)
Nov 30, 2011	52.81	52.95	52.59	52.95	3,747,040	+0.85(+1.64%)
Nov 29, 2011	52.06	52.20	51.96	52.10	2,307,813	+0.17(+0.32%)
Nov 28, 2011	52.04	52.10	51.59	51.93	2,384,248	+1.01(+1.98%)
Nov 25, 2011	50.88	51.45	50.60	50.92	1,699,770	+0.00(+0.00%)
Nov 23, 2011	51.54	51.69	50.73	50.92	4,207,241	-0.80(-1.54%)
Nov 22, 2011	52.14	52.24	51.64	51.72	5,419,277	-0.36(-0.70%)
Nov 21, 2011	52.29	52.53	51.92	52.08	3,785,414	-0.56(-1.06%)
Nov 18, 2011	52.75	52.81	52.60	52.64	2,496,357	+0.04(+0.08%)
Nov 17, 2011	52.96	53.02	52.35	52.60	4,085,572	-0.22(-0.42%)
Nov 16, 2011	53.10	53.19	52.74	52.82	2,934,076	-0.41(-0.76%)
Nov 15, 2011	53.26	53.34	53.08	53.23	2,203,628	-0.14(-0.26%)
Nov 14, 2011	53.58	53.72	53.20	53.37	1,937,908	-0.39(-0.73%)
Nov 11, 2011	53.38	53.79	53.33	53.76	1,345,432	+0.67(+1.26%)
Nov 10, 2011	53.47	53.55	53.01	53.09	6,096,494	-0.08(-0.16%)
Nov 09, 2011	53.50	53.61	52.98	53.17	2,874,180	-0.88(-1.63%)
Nov 08, 2011	54.05	54.14	53.80	54.05	1,749,323	+0.14(+0.26%)
Nov 07, 2011	54.24	54.24	53.78	53.92	3,793,787	-0.32(-0.59%)
Nov 04, 2011	53.94	54.26	53.70	54.24	6,957,483	-0.03(-0.05%)
Nov 03, 2011	54.24	54.26	53.72	54.26	1,873,526	+0.53(+0.99%)
Nov 02, 2011	53.58	53.82	53.41	53.73	2,358,612	+0.53(+1.00%)
Nov 01, 2011	53.31	53.83	53.10	53.20	4,891,637	-0.94(-1.73%)
Oct 31, 2011	54.25	54.31	53.90	54.14	3,113,545	-0.32(-0.59%)
Oct 28, 2011	54.49	54.60	54.38	54.46	3,584,928	-0.24(-0.43%)
Oct 27, 2011	54.81	55.15	54.40	54.70	8,227,316	+0.93(+1.73%)
Oct 26, 2011	54.21	54.24	53.61	53.76	3,566,186	-0.03(-0.05%)
Oct 25, 2011	54.46	54.60	53.75	53.79	5,792,540	-1.10(-2.00%)
Oct 24, 2011	53.47	55.00	53.31	54.89	9,040,124	+1.54(+2.89%)
Oct 21, 2011	52.93	53.36	52.92	53.35	2,597,852	+0.67(+1.27%)
Oct 20, 2011	52.43	52.69	52.28	52.68	2,975,248	+0.42(+0.80%)
Oct 19, 2011	52.53	52.79	52.19	52.26	2,884,007	-0.17(-0.32%)
Oct 18, 2011	52.04	52.58	51.79	52.43	2,242,498	+0.42(+0.80%)
Oct 17, 2011	51.96	52.19	51.90	52.01	2,757,606	-0.21(-0.40%)
Oct 14, 2011	52.22	52.31	52.02	52.22	2,341,740	+0.22(+0.43%)
Oct 13, 2011	51.67	52.06	51.40	52.00	5,895,574	-0.07(-0.13%)
Oct 12, 2011	51.29	52.15	51.14	52.07	5,911,633	+1.24(+2.43%)
Oct 11, 2011	51.39	51.39	50.78	50.83	4,758,050	-0.63(-1.21%)
Oct 10, 2011	50.62	51.49	50.54	51.46	2,650,962	+1.22(+2.43%)
Oct 07, 2011	50.61	50.61	49.71	50.24	6,648,534	+0.08(+0.17%)
Oct 06, 2011	49.79	50.15	49.74	50.15	3,853,302	+0.82(+1.66%)
Oct 05, 2011	49.00	49.42	48.82	49.33	4,328,771	+0.24(+0.48%)
Oct 04, 2011	48.67	49.10	47.36	49.10	8,460,638	-0.43(-0.87%)
Oct 03, 2011	49.77	49.94	49.49	49.53	8,409,744	-0.43(-0.85%)
Sep 30, 2011	50.67	50.67	49.95	49.95	3,983,672	-0.99(-1.95%)
Sep 29, 2011	51.24	51.28	50.82	50.95	2,648,789	+0.04(+0.08%)
Sep 28, 2011	51.66	51.66	50.85	50.91	3,107,803	-0.75(-1.44%)
Sep 27, 2011	51.98	51.98	51.53	51.65	2,920,382	-0.08(-0.16%)
Sep 26, 2011	51.80	51.82	51.29	51.73	2,838,865	+0.29(+0.56%)
Sep 23, 2011	51.39	51.72	51.28	51.44	3,134,495	-0.01(-0.03%)
Sep 22, 2011	51.47	51.76	51.26	51.46	5,350,864	-0.68(-1.30%)
Sep 21, 2011	52.59	52.77	52.11	52.13	5,740,906	-0.46(-0.87%)
Sep 20, 2011	52.74	52.78	52.49	52.59	3,784,820	+0.00(+0.00%)
Sep 19, 2011	52.58	52.74	52.37	52.59	2,336,105	-0.08(-0.16%)
Sep 16, 2011	52.67	52.80	52.49	52.67	2,872,244	-0.08(-0.16%)
Sep 15, 2011	52.66	52.82	52.48	52.75	3,154,700	+0.21(+0.39%)
Sep 14, 2011	52.45	52.75	52.23	52.55	3,132,383	+0.17(+0.32%)
Sep 13, 2011	51.91	52.44	51.80	52.38	6,888,218	+0.44(+0.85%)
Sep 12, 2011	51.86	52.02	51.72	51.94	3,033,363	-0.15(-0.29%)
Sep 09, 2011	52.62	52.69	52.02	52.09	2,609,443	-0.61(-1.15%)
Sep 08, 2011	52.58	52.77	52.52	52.70	2,614,471	-0.03(-0.05%)
Sep 07, 2011	52.63	52.74	52.35	52.73	1,896,698	+0.47(+0.90%)
Sep 06, 2011	52.31	52.49	52.09	52.26	2,560,971	-0.63(-1.20%)
Sep 02, 2011	52.66	53.10	52.60	52.89	2,636,127	-0.21(-0.39%)
Sep 01, 2011	53.21	53.24	52.95	53.10	2,879,110	-0.09(-0.17%)
Aug 31, 2011	53.04	53.33	52.93	53.19	4,422,294	+0.69(+1.31%)
Aug 30, 2011	52.47	52.64	52.25	52.51	2,755,354	-0.07(-0.13%)
Aug 29, 2011	52.16	52.60	52.10	52.58	3,583,949	+0.66(+1.27%)
Aug 26, 2011	51.44	52.05	51.00	51.92	3,122,753	+0.47(+0.92%)
Aug 25, 2011	52.11	52.30	51.44	51.44	1,955,610	-0.47(-0.91%)
Aug 24, 2011	51.85	52.00	51.52	51.92	2,644,591	-0.21(-0.39%)
Aug 23, 2011	51.55	52.15	51.29	52.12	2,044,861	+0.45(+0.88%)
Aug 22, 2011	52.31	52.34	51.67	51.67	2,062,840	-0.25(-0.48%)
Aug 19, 2011	51.77	52.34	51.68	51.92	2,873,204	-0.26(-0.50%)
Aug 18, 2011	52.11	52.27	51.56	52.18	2,790,812	-0.53(-1.01%)
Aug 17, 2011	52.38	52.79	52.37	52.71	1,934,418	+0.56(+1.08%)
Aug 16, 2011	52.47	52.48	52.11	52.15	2,438,301	-0.33(-0.63%)
Aug 15, 2011	52.08	52.60	51.96	52.48	3,045,964	+0.80(+1.54%)
Aug 12, 2011	52.05	52.12	51.38	51.68	4,016,020	-0.15(-0.29%)
Aug 11, 2011	50.67	52.01	50.56	51.83	4,163,265	+0.88(+1.72%)
Aug 10, 2011	51.40	51.57	50.79	50.96	5,772,383	-0.73(-1.41%)
Aug 09, 2011	52.65	51.73	50.30	51.68	9,405,575	+1.34(+2.67%)
Aug 08, 2011	50.75	51.41	49.85	50.34	11,076,250	-2.24(-4.25%)
Aug 05, 2011	53.07	53.37	51.18	52.58	9,666,800	-0.07(-0.13%)
Aug 04, 2011	54.07	54.08	52.53	52.64	5,141,792	-1.65(-3.03%)
Aug 03, 2011	54.51	54.55	53.99	54.29	4,401,500	-0.12(-0.23%)
Aug 02, 2011	54.96	54.99	54.41	54.41	2,299,040	-0.69(-1.26%)

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