Date	Open	High	Low	Close	Volume	Change (%)
Nov 30, 2011	62.29	62.94	61.98	62.56	4,851,697	+1.31(+2.14%)
Nov 29, 2011	60.61	61.36	60.15	61.25	2,614,021	+0.94(+1.56%)
Nov 28, 2011	60.70	60.74	59.95	60.31	2,734,177	+1.03(+1.74%)
Nov 25, 2011	58.93	59.87	58.90	59.28	1,127,241	+0.04(+0.07%)
Nov 23, 2011	59.62	59.87	58.98	59.23	2,977,444	-0.77(-1.28%)
Nov 22, 2011	59.57	60.22	59.45	60.00	2,229,595	+0.38(+0.64%)
Nov 21, 2011	59.57	60.00	59.25	59.62	2,552,814	-0.32(-0.53%)
Nov 18, 2011	60.19	60.31	59.73	59.94	3,213,350	-0.19(-0.32%)
Nov 17, 2011	60.61	61.00	59.55	60.13	3,152,224	-0.70(-1.16%)
Nov 16, 2011	61.56	61.87	60.77	60.83	3,352,971	-1.13(-1.82%)
Nov 15, 2011	61.18	62.14	60.99	61.96	2,350,593	+0.76(+1.23%)
Nov 14, 2011	60.68	61.60	60.67	61.21	2,098,906	+0.30(+0.49%)
Nov 11, 2011	61.13	61.40	60.64	60.90	3,409,543	+0.23(+0.39%)
Nov 10, 2011	61.62	61.70	60.47	60.67	3,411,956	-0.51(-0.83%)
Nov 09, 2011	61.29	61.64	60.71	61.18	3,886,082	-1.17(-1.87%)
Nov 08, 2011	61.71	62.36	61.12	62.34	3,407,893	+0.79(+1.29%)
Nov 07, 2011	61.21	61.65	60.86	61.55	2,810,081	+0.26(+0.42%)
Nov 04, 2011	61.81	61.93	61.07	61.29	2,868,712	-0.65(-1.05%)
Nov 03, 2011	61.35	61.99	60.61	61.95	3,586,808	+0.20(+0.32%)
Nov 02, 2011	61.46	62.00	61.11	61.75	3,583,520	+0.79(+1.30%)
Nov 01, 2011	60.24	61.61	59.96	60.96	3,815,375	+0.07(+0.12%)
Oct 31, 2011	61.84	62.38	60.88	60.88	4,201,851	-1.23(-1.98%)
Oct 28, 2011	61.91	62.30	61.62	62.11	2,604,539	-0.21(-0.34%)
Oct 27, 2011	62.16	63.00	61.48	62.33	5,097,767	+1.09(+1.78%)
Oct 26, 2011	61.00	61.53	60.05	61.24	3,310,382	+0.37(+0.60%)
Oct 25, 2011	61.03	61.80	60.74	60.87	2,998,342	-0.91(-1.48%)
Oct 24, 2011	62.04	62.30	61.55	61.78	4,136,988	-0.60(-0.96%)
Oct 21, 2011	62.00	62.38	61.67	62.38	4,043,423	+0.76(+1.23%)
Oct 20, 2011	61.71	62.42	61.27	61.62	3,308,283	-0.09(-0.14%)
Oct 19, 2011	61.72	62.16	61.56	61.71	3,697,263	-0.14(-0.22%)
Oct 18, 2011	60.23	62.16	60.11	61.85	4,846,478	+1.62(+2.68%)
Oct 17, 2011	59.66	60.36	59.63	60.23	3,114,666	+0.43(+0.72%)
Oct 14, 2011	60.02	60.56	59.38	59.80	3,046,004	+0.07(+0.12%)
Oct 13, 2011	59.56	59.93	59.44	59.73	2,514,601	+0.18(+0.31%)
Oct 12, 2011	59.61	60.34	59.39	59.55	3,355,322	+0.38(+0.64%)
Oct 11, 2011	59.22	59.28	58.69	59.17	2,712,430	-0.24(-0.41%)
Oct 10, 2011	58.51	59.47	58.40	59.41	3,178,161	+1.62(+2.80%)
Oct 07, 2011	58.00	58.28	57.57	57.79	4,585,609	-0.13(-0.23%)
Oct 06, 2011	57.75	58.51	57.35	57.92	5,763,032	-0.77(-1.31%)
Oct 05, 2011	59.23	59.81	57.50	58.69	6,895,365	-1.02(-1.71%)
Oct 04, 2011	59.00	59.81	57.49	59.71	6,449,305	+0.01(+0.02%)
Oct 03, 2011	59.77	60.86	59.37	59.70	4,422,540	-0.37(-0.61%)
Sep 30, 2011	60.25	61.20	59.99	60.07	3,780,942	-0.62(-1.02%)
Sep 29, 2011	62.15	62.36	59.96	60.69	3,328,294	-0.59(-0.97%)
Sep 28, 2011	61.86	62.38	61.27	61.28	2,927,401	-0.39(-0.64%)
Sep 27, 2011	62.61	62.85	61.40	61.67	3,410,351	-0.09(-0.14%)
Sep 26, 2011	61.29	61.98	60.97	61.76	4,272,888	+0.79(+1.30%)
Sep 23, 2011	60.48	61.36	60.31	60.97	3,865,947	+0.14(+0.22%)
Sep 22, 2011	60.50	61.27	59.77	60.84	6,221,080	-0.91(-1.47%)
Sep 21, 2011	62.22	63.03	61.72	61.75	3,608,372	-0.47(-0.75%)
Sep 20, 2011	62.27	63.14	61.95	62.22	4,537,153	+0.03(+0.05%)
Sep 19, 2011	61.10	62.41	61.01	62.19	3,510,821	+0.58(+0.94%)
Sep 16, 2011	60.89	62.14	60.67	61.61	6,015,563	+0.90(+1.48%)
Sep 15, 2011	60.62	60.91	60.05	60.71	3,336,628	+0.81(+1.36%)
Sep 14, 2011	59.20	60.35	58.46	59.90	3,744,119	+0.87(+1.47%)
Sep 13, 2011	58.56	59.09	58.00	59.03	3,218,070	+0.72(+1.24%)
Sep 12, 2011	57.07	58.42	57.06	58.30	3,029,548	+0.60(+1.04%)
Sep 09, 2011	58.47	58.57	57.41	57.70	3,410,548	-1.36(-2.30%)
Sep 08, 2011	58.72	59.58	58.63	59.06	3,200,733	+0.11(+0.19%)
Sep 07, 2011	57.97	58.95	57.69	58.95	2,787,133	+1.62(+2.82%)
Sep 06, 2011	56.34	57.43	56.01	57.34	3,066,343	-0.12(-0.20%)
Sep 02, 2011	57.21	58.27	57.10	57.45	3,362,620	-0.67(-1.16%)
Sep 01, 2011	57.76	59.17	57.62	58.13	5,466,908	+0.69(+1.20%)
Aug 31, 2011	57.22	57.81	57.06	57.44	3,682,680	+0.34(+0.60%)
Aug 30, 2011	56.75	57.44	56.47	57.10	3,064,304	+0.20(+0.36%)
Aug 29, 2011	56.94	57.13	56.59	56.89	3,573,628	+0.42(+0.75%)
Aug 26, 2011	55.42	56.80	54.89	56.47	2,977,574	+0.99(+1.78%)
Aug 25, 2011	56.88	57.43	55.41	55.48	2,840,648	-1.19(-2.10%)
Aug 24, 2011	55.74	56.70	55.40	56.67	3,402,009	+0.93(+1.67%)
Aug 23, 2011	54.55	56.19	54.24	55.74	4,647,869	+1.32(+2.42%)
Aug 22, 2011	55.56	55.58	53.92	54.43	3,357,734	+0.04(+0.08%)
Aug 19, 2011	53.68	55.21	53.68	54.38	5,106,101	+0.00(+0.00%)
Aug 18, 2011	54.50	55.13	52.99	54.38	6,801,671	-1.29(-2.31%)
Aug 17, 2011	55.30	56.61	55.09	55.67	4,901,102	+0.72(+1.31%)
Aug 16, 2011	54.07	55.30	53.66	54.95	3,893,488	+0.77(+1.42%)
Aug 15, 2011	53.51	54.18	53.15	54.18	3,575,846	+0.94(+1.77%)
Aug 12, 2011	53.40	53.69	52.44	53.23	4,119,377	+0.13(+0.25%)
Aug 11, 2011	51.63	53.67	51.42	53.10	5,912,427	+1.62(+3.15%)
Aug 10, 2011	53.37	53.49	51.36	51.48	6,725,259	-3.12(-5.72%)
Aug 09, 2011	53.76	54.60	51.71	54.60	7,813,995	+2.95(+5.72%)
Aug 08, 2011	55.29	55.93	51.53	51.65	11,509,099	-4.48(-7.97%)
Aug 05, 2011	56.64	56.70	54.69	56.12	4,904,613	+0.17(+0.30%)
Aug 04, 2011	55.66	57.25	55.44	55.96	7,929,126	-0.42(-0.74%)
Aug 03, 2011	55.53	56.53	54.93	56.37	5,208,681	+1.09(+1.97%)
Aug 02, 2011	56.35	56.68	55.24	55.28	4,725,680	-1.37(-2.41%)
Aug 01, 2011	57.83	57.85	56.18	56.65	3,503,700	-0.40(-0.70%)
Jul 29, 2011	56.50	57.53	56.27	57.05	3,340,325	-0.06(-0.10%)
Jul 28, 2011	57.15	57.83	57.05	57.11	2,723,589	-0.04(-0.08%)
Jul 27, 2011	58.37	58.53	57.11	57.15	3,167,407	-1.57(-2.68%)
Jul 26, 2011	59.02	59.47	58.63	58.72	1,545,908	-0.44(-0.75%)
Jul 25, 2011	59.20	59.48	59.10	59.17	1,610,606	-0.37(-0.62%)
Jul 22, 2011	59.53	59.66	59.16	59.54	1,359,968	+0.11(+0.18%)
Jul 21, 2011	58.96	59.87	58.81	59.43	2,372,375	+0.61(+1.03%)
Jul 20, 2011	58.92	58.96	58.21	58.83	2,143,103	-0.09(-0.15%)
Jul 19, 2011	58.15	59.02	58.10	58.91	2,523,020	+1.24(+2.15%)
Jul 18, 2011	57.98	58.18	57.46	57.67	2,039,479	-0.55(-0.95%)
Jul 15, 2011	58.59	58.74	57.89	58.22	3,034,349	-0.34(-0.58%)
Jul 14, 2011	58.96	59.39	58.42	58.56	2,137,639	-0.37(-0.63%)
Jul 13, 2011	59.04	59.46	58.55	58.94	1,986,757	+0.09(+0.16%)
Jul 12, 2011	58.97	59.61	58.80	58.84	2,366,200	+0.02(+0.04%)
Jul 11, 2011	58.82	59.11	58.64	58.82	2,181,248	-0.53(-0.90%)
Jul 08, 2011	59.48	59.78	58.99	59.35	2,732,694	-0.47(-0.79%)
Jul 07, 2011	60.66	60.84	59.50	59.82	4,385,784	-0.42(-0.70%)
Jul 06, 2011	59.32	60.47	59.32	60.25	2,956,601	+0.98(+1.66%)
Jul 05, 2011	59.55	59.74	59.03	59.26	2,552,287	-0.18(-0.31%)
Jul 01, 2011	59.42	59.56	59.08	59.45	2,863,311	+0.22(+0.37%)
Jun 30, 2011	58.52	59.30	58.31	59.23	3,306,386	+0.88(+1.51%)
Jun 29, 2011	58.47	58.82	58.24	58.34	3,102,633	+0.03(+0.05%)
Jun 28, 2011	58.32	58.45	58.05	58.32	2,450,631	+0.10(+0.18%)
Jun 27, 2011	57.81	58.37	57.54	58.21	2,525,416	+0.52(+0.91%)
Jun 24, 2011	59.15	59.15	57.69	57.69	3,378,098	-0.93(-1.58%)
Jun 23, 2011	58.14	58.75	57.83	58.61	3,176,570	-0.08(-0.14%)
Jun 22, 2011	59.12	59.31	58.69	58.70	2,120,132	-0.64(-1.08%)
Jun 21, 2011	59.34	59.37	58.72	59.34	3,075,275	+0.10(+0.17%)
Jun 20, 2011	58.97	59.27	58.06	59.23	2,988,302	+1.18(+2.03%)
Jun 17, 2011	58.31	58.80	57.76	58.05	5,785,125	+0.57(+0.99%)
Jun 16, 2011	56.78	57.53	56.68	57.48	3,006,397	+0.67(+1.18%)
Jun 15, 2011	57.27	57.56	56.68	56.81	2,422,049	-0.96(-1.65%)
Jun 14, 2011	57.70	57.90	57.45	57.77	2,396,057	+0.58(+1.01%)
Jun 13, 2011	57.00	57.61	56.90	57.19	1,894,294	+0.11(+0.19%)
Jun 10, 2011	57.67	57.80	57.03	57.08	2,910,472	-0.53(-0.92%)
Jun 09, 2011	57.59	58.10	57.33	57.62	2,528,856	+0.07(+0.13%)
Jun 08, 2011	57.13	58.07	57.05	57.54	3,453,376	+0.42(+0.73%)
Jun 07, 2011	56.92	57.56	56.74	57.13	3,383,836	+0.49(+0.86%)
Jun 06, 2011	56.48	56.97	56.36	56.64	3,424,632	-0.09(-0.15%)
Jun 03, 2011	57.30	57.48	56.69	56.73	4,632,576	-2.58(-4.35%)
May 24, 2011	60.49	60.49	59.25	59.31	4,969,683	-0.94(-1.56%)
May 23, 2011	60.23	60.71	59.98	60.25	3,319,370	-0.55(-0.91%)
May 20, 2011	61.07	61.20	60.01	60.80	3,052,651	-0.34(-0.55%)
May 19, 2011	60.76	61.17	60.58	61.14	1,559,993	+0.45(+0.74%)
May 18, 2011	60.24	60.78	59.82	60.68	2,237,030	+0.39(+0.64%)
May 17, 2011	59.90	60.42	59.82	60.30	2,109,929	+0.29(+0.49%)
May 16, 2011	60.18	60.25	59.85	60.01	2,425,189	-0.30(-0.50%)
May 13, 2011	60.71	60.94	60.20	60.31	3,039,195	-0.44(-0.72%)
May 12, 2011	59.58	60.80	59.41	60.74	3,494,737	+1.18(+1.98%)
May 11, 2011	59.80	59.98	59.19	59.56	2,165,005	-0.21(-0.35%)
May 10, 2011	59.37	60.12	59.28	59.77	2,846,655	+0.60(+1.02%)
May 09, 2011	58.49	59.24	58.39	59.17	2,090,536	+0.69(+1.18%)
May 06, 2011	58.47	58.75	58.20	58.48	3,046,820	+0.61(+1.06%)
May 05, 2011	58.19	58.82	57.69	57.87	4,519,393	-0.39(-0.66%)
May 04, 2011	58.35	58.82	58.23	58.25	3,009,529	-0.27(-0.46%)
May 03, 2011	58.82	58.99	58.25	58.52	3,657,925	-0.39(-0.65%)
May 02, 2011	58.88	59.08	58.56	58.91	2,964,303	+0.11(+0.19%)
Apr 29, 2011	59.01	59.24	58.55	58.80	8,960,815	-0.41(-0.70%)
Apr 28, 2011	58.83	59.24	58.78	59.21	3,472,646	+0.26(+0.44%)
Apr 27, 2011	58.38	59.09	58.28	58.95	4,239,920	+0.96(+1.65%)
Apr 26, 2011	57.38	58.15	56.95	57.99	3,887,012	+0.81(+1.42%)
Apr 25, 2011	57.09	57.33	56.96	57.18	2,215,239	-0.15(-0.27%)
Apr 21, 2011	57.17	57.40	56.74	57.33	2,464,099	+0.23(+0.39%)
Apr 20, 2011	56.34	57.19	56.26	57.11	3,408,531	+1.34(+2.41%)
Apr 19, 2011	56.03	56.08	55.58	55.76	2,468,632	-0.14(-0.25%)
Apr 18, 2011	55.24	56.02	55.24	55.90	2,258,089	-0.05(-0.09%)
Apr 15, 2011	55.49	55.99	55.42	55.95	2,939,821	+0.46(+0.83%)
Apr 14, 2011	55.22	55.59	55.00	55.49	2,188,216	-0.05(-0.09%)
Apr 13, 2011	55.78	55.78	55.22	55.54	1,770,303	-0.03(-0.05%)
Apr 12, 2011	55.06	55.86	55.06	55.57	2,899,946	+0.18(+0.33%)
Apr 11, 2011	55.36	55.70	55.01	55.39	3,334,501	-0.15(-0.27%)
Apr 08, 2011	56.10	56.18	55.40	55.54	4,035,415	-1.02(-1.81%)
Apr 07, 2011	55.51	57.03	55.49	56.57	8,148,150	+2.06(+3.77%)
Apr 06, 2011	54.74	55.20	54.34	54.51	2,724,711	+0.04(+0.08%)
Apr 05, 2011	54.05	55.11	54.05	54.47	4,658,458	+0.55(+1.02%)
Apr 04, 2011	54.24	54.43	53.75	53.91	1,770,527	-0.06(-0.11%)
Apr 01, 2011	53.18	54.03	53.17	53.97	3,404,201	+0.68(+1.27%)
Mar 31, 2011	52.74	53.40	52.40	53.30	3,196,385	+0.37(+0.70%)
Mar 30, 2011	52.93	53.05	52.53	52.93	2,434,446	+0.66(+1.27%)
Mar 29, 2011	51.78	52.30	51.45	52.26	1,835,945	+0.47(+0.90%)
Mar 28, 2011	51.97	52.20	51.60	51.80	1,827,079	-0.15(-0.28%)
Mar 25, 2011	52.51	52.61	51.91	51.94	2,919,264	-0.47(-0.90%)
Mar 24, 2011	51.75	52.58	51.68	52.42	2,964,135	+0.87(+1.68%)
Mar 23, 2011	51.97	52.00	51.17	51.55	3,432,081	-0.46(-0.88%)
Mar 22, 2011	51.65	52.26	51.55	52.01	2,654,065	+0.37(+0.72%)
Mar 21, 2011	51.51	51.75	51.15	51.64	3,512,409	+0.28(+0.54%)
Mar 18, 2011	51.63	51.78	50.99	51.36	6,557,573	+0.15(+0.28%)
Mar 17, 2011	51.22	51.60	50.94	51.22	3,228,065	+0.51(+1.00%)
Mar 16, 2011	51.71	51.75	50.55	50.71	5,523,647	-1.31(-2.52%)
Mar 15, 2011	51.44	52.32	51.36	52.02	3,497,213	-0.20(-0.39%)
Mar 14, 2011	52.52	52.68	52.00	52.22	3,050,347	-0.52(-0.98%)
Mar 11, 2011	53.13	53.51	52.73	52.74	2,845,672	-0.60(-1.13%)
Mar 10, 2011	53.43	53.92	53.15	53.34	3,263,295	-0.57(-1.05%)
Mar 09, 2011	53.41	53.97	53.12	53.91	2,650,069	+0.39(+0.73%)
Mar 08, 2011	52.40	53.83	52.40	53.51	3,598,492	+1.04(+1.98%)
Mar 07, 2011	53.06	53.06	52.36	52.48	4,271,473	-0.45(-0.85%)
Mar 04, 2011	52.70	52.96	52.49	52.93	3,684,004	+0.23(+0.44%)
Mar 03, 2011	52.52	52.77	52.06	52.69	4,106,982	+0.53(+1.02%)
Mar 02, 2011	53.43	53.62	51.51	52.16	8,525,828	-1.35(-2.53%)
Mar 01, 2011	54.60	54.80	53.38	53.51	4,824,826	-0.85(-1.56%)
Feb 28, 2011	53.74	54.48	53.68	54.37	4,548,812	+0.89(+1.66%)
Feb 25, 2011	53.25	53.81	53.24	53.48	2,501,110	+0.43(+0.81%)
Feb 24, 2011	52.91	53.45	52.56	53.05	2,542,217	+0.10(+0.19%)
Feb 23, 2011	53.65	53.65	52.64	52.95	3,829,379	-0.76(-1.42%)
Feb 22, 2011	54.60	54.82	53.67	53.71	2,910,470	-1.12(-2.04%)
Feb 18, 2011	54.39	54.87	54.01	54.83	2,931,404	+0.43(+0.79%)
Feb 17, 2011	53.99	54.53	53.83	54.40	1,871,044	-0.09(-0.16%)
Feb 16, 2011	54.16	54.59	54.08	54.49	1,974,018	+0.46(+0.85%)
Feb 15, 2011	54.05	54.18	53.88	54.03	2,008,676	-0.24(-0.44%)
Feb 14, 2011	54.55	54.60	54.17	54.27	1,678,335	-0.28(-0.51%)
Feb 11, 2011	53.83	54.56	53.83	54.55	2,308,633	+0.36(+0.66%)
Feb 10, 2011	54.11	54.27	53.75	54.19	2,666,887	-0.09(-0.16%)
Feb 09, 2011	54.05	54.35	53.88	54.28	2,401,857	+0.05(+0.10%)
Feb 08, 2011	53.81	54.24	53.73	54.22	2,443,483	+0.40(+0.74%)
Feb 07, 2011	53.61	53.85	53.37	53.82	3,375,484	+0.09(+0.16%)
Feb 04, 2011	53.73	53.95	53.26	53.74	2,585,477	+0.07(+0.14%)
Feb 03, 2011	52.03	53.82	52.03	53.67	5,214,527	+2.31(+4.49%)
Feb 02, 2011	52.30	52.54	51.14	51.36	6,145,142	-1.15(-2.18%)
Feb 01, 2011	52.35	52.65	52.12	52.51	2,755,762	+0.43(+0.82%)
Jan 31, 2011	52.37	52.51	51.91	52.08	3,185,078	-0.07(-0.13%)
Jan 28, 2011	53.16	53.34	52.01	52.14	3,346,568	-0.86(-1.63%)
Jan 27, 2011	52.80	53.43	52.74	53.01	3,937,574	+0.36(+0.69%)
Jan 26, 2011	52.53	52.90	52.35	52.64	2,888,176	+0.12(+0.22%)
Jan 25, 2011	52.56	52.64	51.98	52.53	3,890,057	-0.12(-0.22%)
Jan 24, 2011	52.82	52.84	52.48	52.64	3,052,119	-0.11(-0.21%)
Jan 21, 2011	52.54	52.89	52.44	52.75	3,011,127	+0.30(+0.57%)
Jan 20, 2011	52.04	52.87	52.04	52.45	3,182,088	+0.21(+0.40%)
Jan 19, 2011	52.47	52.55	52.09	52.24	3,187,144	-0.38(-0.73%)
Jan 18, 2011	52.59	52.85	52.40	52.63	3,333,601	+0.07(+0.12%)
Jan 14, 2011	51.72	52.57	51.62	52.56	3,386,265	+0.66(+1.27%)
Jan 13, 2011	51.70	52.01	51.65	51.90	2,652,755	+0.08(+0.15%)
Jan 12, 2011	51.61	51.96	51.55	51.82	2,248,357	+0.30(+0.59%)
Jan 11, 2011	51.14	51.65	50.98	51.52	2,849,203	+0.43(+0.84%)
Jan 10, 2011	50.95	51.18	50.76	51.09	2,859,859	-0.12(-0.24%)
Jan 07, 2011	51.43	51.61	51.07	51.22	3,231,687	+0.00(+0.00%)
Jan 06, 2011	51.01	51.65	50.75	51.22	4,525,221	-0.25(-0.48%)
Jan 05, 2011	52.19	52.27	51.40	51.46	5,890,475	-0.97(-1.85%)
Jan 04, 2011	52.58	52.58	52.02	52.43	5,471,889	-0.10(-0.19%)
Jan 03, 2011	52.74	53.24	52.48	52.53	4,697,693	+0.19(+0.36%)
Dec 31, 2010	52.69	52.91	52.33	52.35	1,799,046	-0.46(-0.88%)
Dec 30, 2010	52.71	52.90	52.64	52.81	1,965,361	+0.11(+0.21%)
Dec 29, 2010	52.84	53.03	52.61	52.70	2,105,514	-0.01(-0.01%)
Dec 28, 2010	52.36	52.82	52.30	52.71	2,723,696	+0.46(+0.87%)
Dec 27, 2010	52.11	52.39	51.99	52.25	1,594,306	-0.12(-0.22%)
Dec 23, 2010	52.31	52.52	52.15	52.37	1,902,770	-0.02(-0.04%)
Dec 22, 2010	52.43	52.59	52.19	52.39	2,686,966	-0.04(-0.07%)
Dec 21, 2010	52.61	52.75	52.38	52.43	3,035,464	+0.01(+0.01%)
Dec 20, 2010	52.11	52.59	52.02	52.42	3,630,451	+0.34(+0.65%)
Dec 17, 2010	52.14	52.51	51.98	52.08	8,914,626	-0.20(-0.39%)
Dec 16, 2010	51.51	52.36	51.48	52.28	4,758,686	+0.78(+1.51%)
Dec 15, 2010	51.48	51.80	51.39	51.51	4,859,291	-0.12(-0.22%)
Dec 14, 2010	51.25	51.86	51.18	51.62	3,700,307	+0.34(+0.66%)
Dec 13, 2010	51.56	51.82	51.13	51.28	7,996,829	-0.37(-0.72%)
Dec 10, 2010	51.29	51.67	51.19	51.65	4,905,239	+0.17(+0.32%)
Dec 09, 2010	50.53	51.56	50.22	51.48	9,348,607	+1.28(+2.56%)
Dec 08, 2010	50.29	50.53	49.68	50.20	5,092,067	-0.28(-0.56%)
Dec 07, 2010	50.53	50.79	50.11	50.48	7,056,480	+0.33(+0.65%)
Dec 06, 2010	49.53	50.32	49.53	50.16	4,643,216	+0.58(+1.17%)
Dec 03, 2010	49.92	50.21	49.47	49.58	4,267,082	-0.45(-0.90%)
Dec 02, 2010	49.67	50.10	49.39	50.03	4,536,791	+0.51(+1.02%)

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