Date	Open	High	Low	Close	Volume	Change (%)
Jul 31, 2012	21.35	21.48	20.84	20.88	5,456,134	-0.55(-2.58%)
Jul 30, 2012	21.57	21.63	21.31	21.44	5,045,344	-0.24(-1.10%)
Jul 27, 2012	21.72	21.83	21.40	21.68	7,628,129	+0.12(+0.54%)
Jul 26, 2012	21.14	21.65	21.10	21.56	9,656,536	+0.77(+3.68%)
Jul 25, 2012	20.25	20.79	20.02	20.79	10,937,351	+0.85(+4.29%)
Jul 24, 2012	20.31	20.45	19.77	19.94	8,542,655	-0.42(-2.08%)
Jul 23, 2012	20.02	20.49	19.49	20.36	10,410,790	-0.20(-0.96%)
Jul 20, 2012	20.44	20.61	20.36	20.56	6,338,780	-0.18(-0.89%)
Jul 19, 2012	20.60	20.94	20.59	20.75	8,258,943	+0.30(+1.47%)
Jul 18, 2012	20.16	20.54	20.12	20.45	7,741,273	+0.19(+0.95%)
Jul 17, 2012	20.21	20.32	19.82	20.25	6,064,453	+0.21(+1.06%)
Jul 16, 2012	19.80	20.14	19.67	20.04	3,661,692	+0.21(+1.03%)
Jul 13, 2012	19.52	19.92	19.47	19.84	4,880,871	+0.46(+2.40%)
Jul 12, 2012	19.26	19.52	19.18	19.37	7,021,491	-0.24(-1.22%)
Jul 11, 2012	19.27	19.75	19.26	19.61	6,671,535	+0.41(+2.14%)
Jul 10, 2012	19.71	19.90	19.01	19.20	7,141,957	-0.35(-1.78%)
Jul 09, 2012	19.63	19.74	19.39	19.55	5,245,255	-0.16(-0.83%)
Jul 06, 2012	20.06	20.14	19.60	19.71	8,389,848	-0.79(-3.87%)
Jul 05, 2012	20.78	20.84	20.45	20.51	5,932,763	-0.21(-1.02%)
Jul 03, 2012	20.10	20.83	20.03	20.72	8,208,254	+0.92(+4.63%)
Jul 02, 2012	19.80	19.83	19.39	19.80	3,227,696	+0.01(+0.03%)
Jun 29, 2012	19.54	19.80	19.49	19.80	8,702,123	+1.09(+5.81%)
Jun 28, 2012	18.61	18.74	18.30	18.71	5,717,565	-0.12(-0.62%)
Jun 27, 2012	18.58	18.87	18.45	18.82	4,477,821	+0.33(+1.77%)
Jun 26, 2012	18.49	18.62	18.32	18.50	4,744,453	+0.06(+0.33%)
Jun 25, 2012	18.43	18.53	18.26	18.43	5,135,896	-0.40(-2.11%)
Jun 22, 2012	18.63	18.89	18.50	18.83	5,162,275	+0.43(+2.34%)
Jun 21, 2012	19.66	19.80	18.39	18.40	10,629,343	-1.47(-7.40%)
Jun 20, 2012	20.26	20.31	19.67	19.87	7,776,195	-0.40(-1.96%)
Jun 19, 2012	19.79	20.34	19.77	20.27	7,259,858	+0.72(+3.71%)
Jun 18, 2012	19.15	19.77	19.03	19.54	7,590,401	+0.12(+0.63%)
Jun 15, 2012	19.19	19.50	19.13	19.42	5,841,421	+0.36(+1.86%)
Jun 14, 2012	19.29	19.41	19.00	19.06	7,106,567	-0.12(-0.61%)
Jun 13, 2012	19.10	19.55	18.97	19.18	6,312,741	-0.10(-0.53%)
Jun 12, 2012	19.00	19.30	18.74	19.28	6,355,390	+0.53(+2.84%)
Jun 11, 2012	19.67	19.68	18.71	18.75	5,681,084	-0.59(-3.08%)
Jun 08, 2012	19.02	19.49	18.92	19.34	6,470,375	-0.14(-0.74%)
Jun 07, 2012	19.93	19.98	19.42	19.49	10,472,418	+0.02(+0.11%)
Jun 06, 2012	19.04	19.47	18.96	19.47	7,065,887	+0.82(+4.40%)
Jun 05, 2012	18.27	18.79	18.18	18.65	7,222,635	+0.44(+2.44%)
Jun 04, 2012	18.13	18.24	17.74	18.20	9,227,526	+0.14(+0.80%)
Jun 01, 2012	17.98	18.30	17.78	18.06	8,389,879	-0.40(-2.15%)
May 31, 2012	18.76	18.85	18.14	18.46	13,023,123	-0.23(-1.24%)
May 30, 2012	18.93	19.02	18.64	18.69	8,301,471	-0.82(-4.21%)
May 29, 2012	19.39	19.90	19.34	19.51	5,835,386	+0.34(+1.78%)
May 25, 2012	18.90	19.27	18.82	19.17	4,732,232	+0.16(+0.83%)
May 24, 2012	19.34	19.34	18.69	19.01	6,725,747	-0.06(-0.32%)
May 23, 2012	18.70	19.07	18.26	19.07	7,509,339	+0.10(+0.50%)
May 22, 2012	18.91	19.36	18.68	18.97	8,704,214	-0.09(-0.47%)
May 21, 2012	18.43	19.10	18.43	19.06	5,222,490	+0.70(+3.80%)
May 18, 2012	18.73	18.79	18.26	18.37	7,654,229	-0.10(-0.56%)
May 17, 2012	18.71	18.77	18.39	18.47	7,251,963	-0.08(-0.44%)
May 16, 2012	18.80	19.20	18.48	18.55	9,311,030	-0.25(-1.31%)
May 15, 2012	19.15	19.26	18.73	18.80	9,330,665	-0.30(-1.58%)
May 14, 2012	19.19	19.40	19.02	19.10	9,846,514	-0.53(-2.68%)
May 11, 2012	19.78	20.23	19.56	19.62	10,060,175	-0.35(-1.75%)
May 10, 2012	20.10	20.36	19.91	19.97	7,969,731	+0.11(+0.55%)
May 09, 2012	19.91	20.28	19.64	19.86	8,947,423	-0.51(-2.52%)
May 08, 2012	20.47	20.61	20.03	20.38	10,877,676	-0.41(-1.97%)
May 07, 2012	20.53	20.86	20.45	20.79	7,552,356	+0.03(+0.16%)
May 04, 2012	21.20	21.38	20.57	20.75	10,866,126	-0.85(-3.96%)
May 03, 2012	22.37	22.41	21.61	21.61	8,721,269	-0.75(-3.33%)
May 02, 2012	22.65	22.72	22.23	22.35	5,947,211	-0.50(-2.18%)
May 01, 2012	22.89	23.09	22.76	22.85	6,920,362	+0.26(+1.15%)
Apr 30, 2012	21.94	22.70	21.92	22.59	8,087,334	+0.53(+2.39%)
Apr 27, 2012	21.87	22.07	21.68	22.07	5,264,765	+0.19(+0.88%)
Apr 26, 2012	21.71	22.02	21.66	21.87	5,640,138	-0.01(-0.03%)
Apr 25, 2012	21.76	21.92	21.40	21.88	7,400,144	+0.40(+1.88%)
Apr 24, 2012	21.43	21.70	21.33	21.48	5,409,983	+0.08(+0.38%)
Apr 23, 2012	20.96	21.47	20.76	21.40	6,961,367	+0.06(+0.29%)
Apr 20, 2012	21.86	21.95	21.29	21.33	7,919,549	-0.27(-1.23%)
Apr 19, 2012	21.55	21.88	21.40	21.60	5,373,313	+0.03(+0.16%)
Apr 18, 2012	21.47	21.76	21.26	21.57	5,591,434	-0.10(-0.44%)
Apr 17, 2012	21.50	22.01	21.39	21.66	8,749,723	+0.61(+2.89%)
Apr 16, 2012	21.05	21.25	20.83	21.05	8,555,893	+0.18(+0.85%)
Apr 13, 2012	21.20	21.20	20.82	20.88	7,401,156	-0.38(-1.80%)
Apr 12, 2012	20.62	21.34	20.45	21.26	8,279,170	+0.77(+3.77%)
Apr 11, 2012	20.49	20.71	20.38	20.49	7,065,448	+0.30(+1.49%)
Apr 10, 2012	20.83	20.92	20.03	20.19	8,599,204	-0.62(-2.96%)
Apr 09, 2012	20.57	21.09	20.51	20.80	5,328,213	-0.14(-0.69%)
Apr 05, 2012	21.41	21.54	20.77	20.94	12,607,546	-0.51(-2.39%)
Apr 04, 2012	22.17	22.48	21.22	21.46	14,109,584	-1.14(-5.02%)
Apr 03, 2012	22.74	22.80	22.45	22.59	6,123,687	-0.25(-1.11%)
Apr 02, 2012	22.28	22.97	22.22	22.85	6,427,159	+0.49(+2.17%)
Mar 30, 2012	22.39	22.43	21.96	22.36	4,723,978	+0.11(+0.49%)
Mar 29, 2012	22.03	22.26	21.70	22.25	6,468,485	+0.02(+0.09%)
Mar 28, 2012	22.42	22.51	22.14	22.23	6,925,779	-0.33(-1.48%)
Mar 27, 2012	22.89	22.91	22.51	22.56	4,122,297	-0.28(-1.23%)
Mar 26, 2012	22.74	22.90	22.65	22.85	4,578,322	+0.40(+1.80%)
Mar 23, 2012	22.22	22.51	22.14	22.44	5,261,087	+0.31(+1.42%)
Mar 22, 2012	22.35	22.53	22.00	22.13	7,369,864	-0.70(-3.06%)
Mar 21, 2012	22.93	22.93	22.56	22.82	5,232,079	+0.06(+0.27%)
Mar 20, 2012	22.89	22.94	22.61	22.76	5,847,336	-0.44(-1.89%)
Mar 19, 2012	22.85	23.32	22.72	23.20	6,166,976	+0.40(+1.77%)
Mar 16, 2012	22.82	23.04	22.74	22.80	6,653,968	+0.10(+0.42%)
Mar 15, 2012	22.56	22.95	22.41	22.70	6,481,364	+0.16(+0.73%)
Mar 14, 2012	23.06	23.26	22.38	22.54	11,429,927	-0.97(-4.13%)
Mar 13, 2012	22.98	23.52	22.91	23.51	5,761,199	+0.60(+2.63%)
Mar 12, 2012	23.37	23.53	22.86	22.91	6,457,650	-0.70(-2.98%)
Mar 09, 2012	23.77	23.87	23.49	23.61	5,567,573	-0.01(-0.03%)
Mar 08, 2012	23.41	23.81	23.20	23.62	7,182,931	+0.51(+2.19%)
Mar 07, 2012	22.88	23.32	22.74	23.11	7,637,357	+0.31(+1.38%)
Mar 06, 2012	23.29	23.35	22.51	22.80	11,445,375	-1.17(-4.88%)
Mar 05, 2012	24.40	24.41	23.84	23.97	8,567,822	-0.54(-2.20%)
Mar 02, 2012	24.77	24.83	24.34	24.51	5,144,753	-0.37(-1.48%)
Mar 01, 2012	24.58	24.93	24.42	24.88	9,509,437	+0.30(+1.22%)
Feb 29, 2012	25.18	25.31	24.49	24.57	8,388,359	-0.35(-1.40%)
Feb 28, 2012	24.66	25.07	24.66	24.92	6,342,130	+0.24(+0.97%)
Feb 27, 2012	25.03	25.14	24.65	24.68	9,226,276	-0.59(-2.33%)
Feb 24, 2012	25.12	25.55	24.99	25.27	11,075,636	+0.32(+1.29%)
Feb 23, 2012	24.43	25.05	24.25	24.95	10,389,060	+0.61(+2.50%)
Feb 22, 2012	23.82	24.40	23.80	24.34	6,464,980	+0.49(+2.06%)
Feb 21, 2012	23.75	24.02	20.51	23.85	7,951,492	+0.40(+1.72%)
Feb 17, 2012	23.74	23.77	23.22	23.45	9,194,731	-0.03(-0.12%)
Feb 16, 2012	23.27	23.60	23.11	23.47	7,022,549	+0.08(+0.32%)
Feb 15, 2012	23.24	23.63	23.21	23.40	5,744,218	+0.29(+1.27%)
Feb 14, 2012	23.10	23.31	22.84	23.10	8,114,129	-0.03(-0.15%)
Feb 13, 2012	23.41	23.49	23.06	23.14	6,599,427	+0.03(+0.12%)
Feb 10, 2012	23.29	23.44	22.96	23.11	8,085,704	-0.59(-2.51%)
Feb 09, 2012	23.79	23.88	23.55	23.71	5,079,507	-0.09(-0.37%)
Feb 08, 2012	23.84	23.99	23.61	23.80	5,191,110	+0.03(+0.11%)
Feb 07, 2012	23.89	23.93	23.34	23.77	7,158,955	-0.24(-1.00%)
Feb 06, 2012	23.73	24.03	23.67	24.01	5,609,400	+0.01(+0.06%)
Feb 03, 2012	23.59	24.02	23.47	23.99	8,396,279	+0.53(+2.24%)
Feb 02, 2012	23.62	23.93	23.38	23.47	9,477,456	-0.10(-0.44%)
Feb 01, 2012	23.77	23.94	23.42	23.57	10,761,049	-0.02(-0.09%)
Jan 31, 2012	23.81	23.88	23.16	23.59	9,918,708	+0.18(+0.79%)
Jan 30, 2012	23.17	23.52	23.00	23.41	5,118,489	-0.20(-0.84%)
Jan 27, 2012	23.30	23.74	23.30	23.60	7,394,599	+0.14(+0.61%)
Jan 26, 2012	23.65	23.82	23.31	23.46	11,997,595	+0.03(+0.12%)
Jan 25, 2012	22.93	23.52	22.79	23.43	9,778,988	+0.36(+1.54%)
Jan 24, 2012	22.96	23.22	22.86	23.08	5,159,809	-0.17(-0.74%)
Jan 23, 2012	22.93	23.32	22.87	23.25	8,810,342	+0.44(+1.95%)
Jan 20, 2012	22.70	23.02	22.62	22.80	6,056,841	-0.14(-0.63%)
Jan 19, 2012	23.31	23.39	22.86	22.95	6,732,682	-0.04(-0.18%)
Jan 18, 2012	22.43	23.02	22.37	22.99	8,401,448	+0.59(+2.63%)
Jan 17, 2012	22.33	22.49	22.18	22.40	7,760,016	+0.59(+2.73%)
Jan 13, 2012	21.61	21.85	21.42	21.81	5,876,859	-0.10(-0.44%)
Jan 12, 2012	22.09	22.26	21.82	21.90	10,355,190	-0.06(-0.28%)
Jan 11, 2012	21.93	22.11	21.81	21.96	6,527,167	-0.10(-0.43%)
Jan 10, 2012	21.73	22.15	21.72	22.06	10,909,031	+0.74(+3.46%)
Jan 09, 2012	20.99	21.33	20.81	21.32	7,191,219	+0.32(+1.53%)
Jan 06, 2012	21.15	21.19	20.72	21.00	5,615,310	-0.09(-0.42%)
Jan 05, 2012	21.09	21.21	20.81	21.09	5,747,953	-0.13(-0.61%)
Jan 04, 2012	20.84	21.31	20.69	21.22	9,919,924	+1.50(+7.63%)
Dec 30, 2011	19.64	19.80	19.52	19.71	4,849,902	+0.19(+0.98%)
Dec 29, 2011	19.13	19.56	19.07	19.52	5,527,300	+0.46(+2.40%)
Dec 28, 2011	19.63	19.73	19.01	19.06	5,732,134	-0.55(-2.79%)
Dec 27, 2011	19.56	19.73	19.52	19.61	3,641,015	-0.01(-0.03%)
Dec 23, 2011	19.52	19.63	19.35	19.62	5,342,726	+0.92(+4.90%)
Dec 21, 2011	18.65	18.71	18.24	18.70	9,882,388	+0.10(+0.55%)
Dec 20, 2011	18.67	18.89	18.55	18.60	9,147,079	+0.51(+2.84%)
Dec 19, 2011	18.50	18.57	17.98	18.09	11,499,059	-0.28(-1.53%)
Dec 16, 2011	18.24	18.46	18.10	18.37	11,019,590	+0.17(+0.94%)
Dec 15, 2011	18.85	18.89	18.16	18.20	10,991,743	-0.29(-1.59%)
Dec 14, 2011	18.77	18.87	18.28	18.49	12,293,885	-0.72(-3.74%)
Dec 13, 2011	19.56	19.94	19.00	19.21	7,490,322	-0.12(-0.64%)
Dec 12, 2011	19.36	19.55	18.98	19.33	7,628,148	-0.70(-3.48%)
Dec 09, 2011	19.80	20.15	19.75	20.03	6,405,467	+0.32(+1.63%)
Dec 08, 2011	20.39	20.60	19.64	19.71	12,668,367	-0.94(-4.54%)
Dec 07, 2011	20.87	20.87	20.27	20.64	10,295,399	-0.31(-1.47%)
Dec 06, 2011	20.92	21.21	20.66	20.95	8,467,003	-0.02(-0.10%)
Dec 05, 2011	21.07	21.50	20.84	20.97	7,969,388	+0.31(+1.49%)
Dec 02, 2011	20.92	20.95	20.60	20.66	7,233,046	+0.08(+0.37%)
Dec 01, 2011	20.53	20.83	20.36	20.59	8,986,150	+0.06(+0.30%)
Nov 30, 2011	20.50	21.09	20.06	20.53	17,627,810	+1.04(+5.33%)
Nov 29, 2011	19.22	19.69	19.08	19.49	7,522,880	+0.36(+1.86%)
Nov 28, 2011	19.52	19.52	18.97	19.13	8,945,851	+0.63(+3.40%)
Nov 25, 2011	18.71	19.01	18.50	18.50	5,992,291	-0.42(-2.20%)
Nov 23, 2011	19.71	19.73	18.91	18.92	12,606,720	-1.12(-5.60%)
Nov 22, 2011	20.46	20.53	19.91	20.04	8,582,834	-0.38(-1.87%)
Nov 21, 2011	20.51	20.53	19.82	20.42	8,575,892	-0.54(-2.58%)
Nov 18, 2011	21.52	21.61	20.90	20.96	7,814,335	-0.22(-1.03%)
Nov 17, 2011	21.90	22.25	20.99	21.18	12,501,359	-0.69(-3.16%)
Nov 16, 2011	21.57	22.48	21.52	21.87	12,480,776	+0.27(+1.27%)
Nov 15, 2011	21.63	21.82	21.44	21.60	9,796,681	-0.25(-1.13%)
Nov 14, 2011	21.67	21.92	21.53	21.85	6,896,714	+0.01(+0.03%)
Nov 11, 2011	21.52	21.93	21.43	21.84	6,451,498	+0.59(+2.77%)
Nov 10, 2011	21.50	21.68	20.66	21.25	11,067,732	+0.19(+0.91%)
Nov 09, 2011	21.53	21.87	21.04	21.06	13,392,889	-1.52(-6.75%)
Nov 08, 2011	22.72	22.74	22.26	22.59	9,364,907	+0.08(+0.36%)
Nov 07, 2011	22.25	22.75	22.15	22.50	9,289,831	+0.32(+1.45%)
Nov 04, 2011	22.14	22.27	21.76	22.18	7,990,590	-0.33(-1.46%)
Nov 03, 2011	21.96	22.56	21.72	22.51	13,960,028	+1.10(+5.14%)
Nov 02, 2011	21.32	21.53	21.00	21.41	12,765,343	+0.61(+2.93%)
Nov 01, 2011	20.28	21.12	19.97	20.80	15,417,931	-1.02(-4.67%)
Oct 31, 2011	22.35	22.41	21.80	21.82	10,060,903	-0.96(-4.20%)
Oct 28, 2011	22.25	22.78	22.20	22.78	10,596,933	+0.16(+0.73%)
Oct 27, 2011	22.28	22.84	22.22	22.61	16,808,042	+1.32(+6.20%)
Oct 26, 2011	21.19	21.46	20.77	21.29	10,455,867	+0.34(+1.63%)
Oct 25, 2011	21.61	21.65	20.90	20.95	12,761,169	-0.55(-2.54%)
Oct 24, 2011	20.68	21.57	20.62	21.50	10,950,287	+0.93(+4.52%)
Oct 21, 2011	20.59	20.75	20.31	20.57	9,428,550	+0.39(+1.93%)
Oct 20, 2011	20.04	20.47	19.63	20.18	10,316,319	+0.04(+0.20%)
Oct 19, 2011	20.66	20.80	20.03	20.14	12,397,243	-0.47(-2.29%)
Oct 18, 2011	19.77	20.79	19.47	20.61	12,945,815	+0.71(+3.57%)
Oct 17, 2011	20.62	20.64	19.80	19.90	8,520,972	-0.85(-4.12%)
Oct 14, 2011	20.10	20.77	20.10	20.75	10,414,029	+1.24(+6.34%)
Oct 13, 2011	19.69	19.73	19.23	19.52	9,378,101	-0.36(-1.82%)
Oct 12, 2011	19.56	20.18	19.38	19.88	11,503,173	+0.68(+3.53%)
Oct 11, 2011	19.00	19.35	18.82	19.20	9,076,906	-0.05(-0.25%)
Oct 10, 2011	19.14	19.47	18.93	19.25	5,384,425	+0.75(+4.07%)
Oct 07, 2011	19.19	19.31	18.41	18.50	16,007,383	-0.41(-2.17%)
Oct 06, 2011	18.54	18.92	18.49	18.91	14,202,402	+0.84(+4.66%)
Oct 05, 2011	16.70	18.22	16.47	18.07	18,695,954	+1.57(+9.54%)
Oct 04, 2011	15.96	16.53	15.42	16.49	21,758,770	+0.08(+0.50%)
Oct 03, 2011	16.86	17.40	16.33	16.41	16,338,852	-0.98(-5.66%)
Sep 30, 2011	17.78	18.04	17.35	17.40	13,266,145	-0.86(-4.72%)
Sep 29, 2011	18.37	18.53	17.73	18.26	15,194,703	+0.35(+1.95%)
Sep 28, 2011	18.97	19.11	17.84	17.91	13,603,837	-1.07(-5.66%)
Sep 27, 2011	19.07	19.59	18.89	18.98	14,763,047	+0.68(+3.70%)
Sep 26, 2011	17.62	18.35	17.11	18.30	12,153,591	+0.81(+4.61%)
Sep 23, 2011	17.15	17.65	17.05	17.50	10,233,909	+0.05(+0.27%)
Sep 22, 2011	18.00	18.00	17.10	17.45	25,029,974	-1.66(-8.69%)
Sep 21, 2011	19.84	19.99	19.09	19.11	12,285,406	-0.77(-3.85%)
Sep 20, 2011	20.32	20.67	19.86	19.88	10,211,095	-0.42(-2.06%)
Sep 19, 2011	20.26	20.46	19.86	20.29	9,760,789	-0.46(-2.21%)
Sep 16, 2011	20.91	20.99	20.53	20.75	8,333,960	-0.03(-0.13%)
Sep 15, 2011	20.70	20.81	20.37	20.78	7,628,686	+0.47(+2.32%)
Sep 14, 2011	19.88	20.64	19.62	20.31	9,931,202	+0.51(+2.59%)
Sep 13, 2011	19.85	19.95	19.52	19.80	14,244,286	+0.11(+0.56%)
Sep 12, 2011	19.92	20.09	19.23	19.69	13,876,236	-0.54(-2.67%)
Sep 09, 2011	20.56	20.77	20.09	20.23	8,673,263	-0.80(-3.80%)
Sep 08, 2011	20.96	21.40	20.87	21.03	9,138,081	-0.06(-0.29%)
Sep 07, 2011	20.62	21.10	20.49	21.09	8,289,721	+0.82(+4.05%)
Sep 06, 2011	20.17	20.27	19.84	20.27	13,381,505	-0.58(-2.79%)
Sep 02, 2011	21.15	21.23	20.74	20.85	7,043,675	-0.92(-4.21%)
Sep 01, 2011	21.89	22.15	21.70	21.76	8,637,052	-0.05(-0.22%)
Aug 31, 2011	21.92	22.18	21.46	21.81	10,760,024	+0.11(+0.50%)
Aug 30, 2011	21.33	21.81	21.11	21.70	8,238,036	+0.31(+1.47%)
Aug 29, 2011	21.29	21.40	20.94	21.39	5,177,572	+0.66(+3.20%)
Aug 26, 2011	20.29	20.88	20.06	20.73	8,233,528	+0.23(+1.13%)
Aug 25, 2011	21.29	21.40	20.41	20.49	9,926,024	-0.51(-2.41%)
Aug 24, 2011	20.85	21.20	20.66	21.00	9,959,732	+0.17(+0.82%)
Aug 23, 2011	20.15	20.86	19.89	20.83	15,060,823	+0.90(+4.53%)
Aug 22, 2011	20.82	20.83	19.83	19.93	17,448,630	-0.30(-1.49%)
Aug 19, 2011	20.37	21.11	20.13	20.23	13,769,459	-0.33(-1.60%)
Aug 18, 2011	21.47	21.47	20.33	20.55	13,459,005	-1.55(-7.02%)
Aug 17, 2011	22.60	22.78	22.07	22.11	11,066,109	-0.08(-0.37%)
Aug 16, 2011	22.39	22.43	22.02	22.19	9,920,669	-0.46(-2.05%)
Aug 15, 2011	22.41	22.73	22.29	22.65	8,247,154	+0.67(+3.05%)
Aug 12, 2011	22.76	22.84	21.84	21.98	12,725,251	-0.27(-1.20%)
Aug 11, 2011	21.50	22.41	21.07	22.25	16,706,744	+0.85(+3.96%)
Aug 10, 2011	21.76	22.11	20.95	21.40	22,463,374	-0.20(-0.92%)
Aug 09, 2011	21.02	21.63	20.21	21.60	22,144,448	+0.91(+4.40%)
Aug 08, 2011	21.02	21.68	20.56	20.69	25,325,000	-1.89(-8.36%)
Aug 05, 2011	23.30	23.40	21.56	22.58	23,260,474	-0.51(-2.22%)
Aug 04, 2011	24.15	24.21	22.99	23.09	19,101,820	-1.52(-6.19%)
Aug 03, 2011	25.16	25.18	24.19	24.62	19,671,696	-0.50(-1.99%)
Aug 02, 2011	26.08	26.12	25.09	25.12	11,672,107	-1.01(-3.87%)

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