Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	67.49	67.84	66.54	67.70	11,488,607	+0.41(+0.61%)
Feb 25, 2011	65.68	67.38	65.40	67.29	11,057,309	+2.32(+3.57%)
Feb 24, 2011	66.56	67.11	64.87	64.97	16,326,888	-2.36(-3.50%)
Feb 23, 2011	66.82	68.56	66.69	67.32	14,280,585	-0.01(-0.01%)
Feb 22, 2011	68.85	69.31	66.24	67.33	18,817,372	-1.54(-2.24%)
Feb 18, 2011	68.66	68.95	67.87	68.87	11,399,504	+0.49(+0.71%)
Feb 17, 2011	67.00	68.79	67.00	68.39	9,290,359	+0.26(+0.38%)
Feb 16, 2011	66.93	68.48	66.51	68.13	12,273,320	+1.21(+1.81%)
Feb 15, 2011	66.74	67.15	66.06	66.92	10,159,759	+0.07(+0.11%)
Feb 14, 2011	65.37	66.92	65.37	66.85	7,904,557	+1.54(+2.35%)
Feb 11, 2011	65.03	66.21	64.79	65.31	8,157,218	-0.19(-0.29%)
Feb 10, 2011	64.02	65.55	63.81	65.50	9,511,648	+1.55(+2.42%)
Feb 09, 2011	63.88	64.78	63.05	63.95	8,537,365	-0.41(-0.64%)
Feb 08, 2011	64.59	64.82	63.31	64.36	8,551,238	-0.56(-0.86%)
Feb 07, 2011	64.77	65.94	64.39	64.92	9,339,883	+0.36(+0.56%)
Feb 04, 2011	64.75	65.02	63.71	64.56	8,352,708	-0.07(-0.11%)
Feb 03, 2011	64.61	64.71	63.39	64.63	7,639,692	+0.25(+0.39%)
Feb 02, 2011	64.64	64.90	63.91	64.38	7,639,433	-0.40(-0.62%)
Feb 01, 2011	64.67	65.35	64.25	64.78	13,883,081	+0.47(+0.73%)
Jan 31, 2011	62.45	64.32	62.23	64.31	11,276,618	+1.68(+2.68%)
Jan 28, 2011	63.16	63.23	61.94	62.64	12,157,399	+0.50(+0.80%)
Jan 27, 2011	63.13	63.50	61.80	62.14	12,758,671	-1.06(-1.68%)
Jan 26, 2011	60.70	63.42	60.58	63.20	14,663,818	+3.04(+5.05%)
Jan 25, 2011	60.89	61.10	59.43	60.16	12,671,588	-0.72(-1.19%)
Jan 24, 2011	60.71	61.25	59.26	60.89	13,739,183	+0.56(+0.92%)
Jan 21, 2011	63.16	63.28	59.87	60.33	26,486,994	-0.94(-1.54%)
Jan 20, 2011	61.13	61.67	59.58	61.27	16,505,934	-1.07(-1.71%)
Jan 19, 2011	62.93	63.38	61.99	62.34	16,335,366	-0.36(-0.58%)
Jan 18, 2011	62.58	62.80	62.11	62.70	10,173,392	-0.11(-0.17%)
Jan 14, 2011	61.12	62.84	60.79	62.81	11,624,514	+1.67(+2.73%)
Jan 13, 2011	60.92	61.65	60.63	61.14	10,174,282	+0.11(+0.18%)
Jan 12, 2011	59.93	61.06	59.90	61.03	9,406,181	+1.58(+2.66%)
Jan 11, 2011	58.83	59.59	58.82	59.45	9,141,120	+1.14(+1.96%)
Jan 10, 2011	58.49	58.88	57.94	58.31	8,971,077	-0.64(-1.08%)
Jan 07, 2011	58.22	59.44	58.02	58.94	9,139,171	+0.74(+1.28%)
Jan 06, 2011	59.69	59.75	57.63	58.20	11,438,757	-1.49(-2.49%)
Jan 05, 2011	58.49	59.77	58.25	59.69	8,607,659	+0.69(+1.18%)
Jan 04, 2011	60.57	60.87	58.28	58.99	11,955,900	-1.46(-2.41%)
Jan 03, 2011	60.71	61.10	60.25	60.45	7,512,336	+0.11(+0.18%)
Dec 31, 2010	60.21	60.58	59.98	60.34	4,683,985	+0.10(+0.17%)
Dec 30, 2010	60.50	60.71	59.86	60.24	4,562,385	-0.20(-0.32%)
Dec 29, 2010	59.46	60.71	59.46	60.44	6,221,781	+1.03(+1.73%)
Dec 28, 2010	59.40	59.94	59.40	59.41	3,809,494	-0.15(-0.25%)
Dec 27, 2010	59.15	59.72	59.04	59.56	3,954,677	-0.07(-0.12%)
Dec 23, 2010	59.66	59.98	59.44	59.64	5,177,163	-0.21(-0.35%)
Dec 22, 2010	59.82	60.10	59.43	59.85	5,592,579	+0.27(+0.45%)
Dec 21, 2010	59.49	59.79	59.07	59.58	7,466,711	+0.19(+0.32%)
Dec 20, 2010	58.93	59.55	58.82	59.39	8,176,361	+0.61(+1.03%)
Dec 17, 2010	58.54	59.04	58.33	58.78	10,571,854	+0.15(+0.26%)
Dec 16, 2010	58.23	58.67	57.60	58.63	9,241,429	+0.30(+0.51%)
Dec 15, 2010	58.25	59.10	58.21	58.34	8,894,304	-0.44(-0.75%)
Dec 14, 2010	59.57	59.69	58.54	58.78	9,847,804	-0.79(-1.33%)
Dec 13, 2010	59.48	60.60	59.40	59.57	11,155,706	+0.64(+1.09%)
Dec 10, 2010	58.55	59.14	58.48	58.93	8,111,140	+0.22(+0.37%)
Dec 09, 2010	59.28	59.56	58.18	58.71	7,905,828	+0.25(+0.42%)
Dec 08, 2010	58.67	59.14	58.03	58.47	10,246,975	-0.07(-0.12%)
Dec 07, 2010	60.63	60.79	58.34	58.54	13,352,143	-1.34(-2.24%)
Dec 06, 2010	59.80	60.13	58.75	59.88	9,614,356	+0.09(+0.14%)
Dec 03, 2010	57.58	59.98	57.58	59.80	14,933,649	+1.45(+2.48%)
Dec 02, 2010	58.22	58.63	58.02	58.35	10,880,143	-0.08(-0.14%)

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