| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 29, 2012 | 29.10 | 29.21 | 28.84 | 28.95 | 10,455,782 | -0.13(-0.46%) |
| Feb 28, 2012 | 28.90 | 29.08 | 28.84 | 29.08 | 10,109,783 | +0.21(+0.73%) |
| Feb 27, 2012 | 28.68 | 28.95 | 28.53 | 28.87 | 8,526,441 | +0.05(+0.17%) |
| Feb 24, 2012 | 28.75 | 28.87 | 28.74 | 28.82 | 5,496,733 | +0.17(+0.59%) |
| Feb 23, 2012 | 28.51 | 28.70 | 28.35 | 28.65 | 5,506,687 | +0.11(+0.39%) |
| Feb 22, 2012 | 28.60 | 28.67 | 28.48 | 28.54 | 8,102,948 | -0.10(-0.35%) |
| Feb 21, 2012 | 28.56 | 28.77 | 28.47 | 28.64 | 9,412,785 | +0.12(+0.42%) |
| Feb 17, 2012 | 28.61 | 28.61 | 28.42 | 28.52 | 9,284,904 | +0.00(+0.00%) |
| Feb 16, 2012 | 28.11 | 28.55 | 28.07 | 28.52 | 10,047,772 | +0.41(+1.46%) |
| Feb 15, 2012 | 28.40 | 28.58 | 28.06 | 28.11 | 12,212,877 | -0.15(-0.53%) |
| Feb 14, 2012 | 28.18 | 28.28 | 28.03 | 28.26 | 6,542,880 | +0.05(+0.18%) |
| Feb 13, 2012 | 28.23 | 28.27 | 28.05 | 28.21 | 8,421,818 | +0.18(+0.64%) |
| Feb 10, 2012 | 28.05 | 28.09 | 27.93 | 28.03 | 6,369,423 | -0.21(-0.74%) |
| Feb 09, 2012 | 28.10 | 28.28 | 28.01 | 28.24 | 9,486,362 | +0.27(+0.97%) |
| Feb 08, 2012 | 27.86 | 28.00 | 27.77 | 27.97 | 11,494,816 | +0.17(+0.61%) |
| Feb 07, 2012 | 27.72 | 27.87 | 27.59 | 27.80 | 7,387,867 | +0.07(+0.25%) |
| Feb 06, 2012 | 27.64 | 27.75 | 27.57 | 27.73 | 6,700,578 | +0.02(+0.05%) |
| Feb 03, 2012 | 27.60 | 27.77 | 27.55 | 27.71 | 7,394,393 | +0.34(+1.26%) |
| Feb 02, 2012 | 27.40 | 27.48 | 27.30 | 27.37 | 6,020,450 | +0.07(+0.26%) |
| Feb 01, 2012 | 27.29 | 27.42 | 27.19 | 27.30 | 8,972,373 | +0.27(+1.00%) |
| Jan 31, 2012 | 27.16 | 27.17 | 26.87 | 27.03 | 8,089,286 | +0.05(+0.19%) |
| Jan 30, 2012 | 26.67 | 27.02 | 26.65 | 26.98 | 7,691,177 | +0.08(+0.30%) |
| Jan 27, 2012 | 26.80 | 26.97 | 26.80 | 26.90 | 8,260,165 | +0.00(+0.00%) |
| Jan 26, 2012 | 27.17 | 27.20 | 26.79 | 26.90 | 8,712,804 | -0.18(-0.66%) |
| Jan 25, 2012 | 27.12 | 27.16 | 26.84 | 27.08 | 17,934,181 | +0.21(+0.78%) |
| Jan 24, 2012 | 26.77 | 26.92 | 26.74 | 26.87 | 5,750,749 | -0.02(-0.07%) |
| Jan 23, 2012 | 26.84 | 27.03 | 26.72 | 26.89 | 29,022,179 | +0.09(+0.34%) |
| Jan 20, 2012 | 26.72 | 26.84 | 26.71 | 26.80 | 13,360,247 | +0.03(+0.11%) |
| Jan 19, 2012 | 26.72 | 26.83 | 26.69 | 26.77 | 7,425,110 | +0.19(+0.71%) |
| Jan 18, 2012 | 26.27 | 26.61 | 26.26 | 26.58 | 7,209,364 | +0.38(+1.45%) |
| Jan 17, 2012 | 26.26 | 26.38 | 26.14 | 26.20 | 5,533,084 | +0.12(+0.46%) |
| Jan 13, 2012 | 26.07 | 26.11 | 25.89 | 26.08 | 5,971,423 | -0.15(-0.57%) |
| Jan 12, 2012 | 26.16 | 26.25 | 26.01 | 26.23 | 4,865,454 | +0.13(+0.50%) |
| Jan 11, 2012 | 25.97 | 26.17 | 25.95 | 26.10 | 4,153,714 | +0.08(+0.31%) |
| Jan 10, 2012 | 26.18 | 26.23 | 26.01 | 26.02 | 5,732,673 | +0.09(+0.35%) |
| Jan 09, 2012 | 26.06 | 26.08 | 25.86 | 25.93 | 4,086,508 | -0.04(-0.15%) |
| Jan 06, 2012 | 25.98 | 26.03 | 25.85 | 25.97 | 4,989,107 | +0.01(+0.04%) |
| Jan 05, 2012 | 25.85 | 26.01 | 25.73 | 25.96 | 6,756,844 | +0.08(+0.31%) |
| Jan 04, 2012 | 25.80 | 25.93 | 25.66 | 25.88 | 4,744,294 | +0.43(+1.69%) |
| Dec 30, 2011 | 25.53 | 25.61 | 25.45 | 25.45 | 3,751,279 | -0.08(-0.31%) |
| Dec 29, 2011 | 25.40 | 25.57 | 25.36 | 25.53 | 5,697,237 | +0.19(+0.75%) |
| Dec 28, 2011 | 25.60 | 25.61 | 25.27 | 25.34 | 4,815,636 | -0.26(-1.02%) |
| Dec 27, 2011 | 25.51 | 25.68 | 25.49 | 25.60 | 2,776,262 | +0.04(+0.16%) |
| Dec 23, 2011 | 25.31 | 25.56 | 25.31 | 25.56 | 4,745,224 | +0.54(+2.16%) |
| Dec 21, 2011 | 25.28 | 25.28 | 24.73 | 25.02 | 9,039,882 | -0.41(-1.63%) |
| Dec 20, 2011 | 25.07 | 25.47 | 25.07 | 25.43 | 8,815,160 | +0.69(+2.81%) |
| Dec 19, 2011 | 25.06 | 25.12 | 24.66 | 24.74 | 10,153,124 | -0.24(-0.96%) |
| Dec 16, 2011 | 25.04 | 25.29 | 24.91 | 24.98 | 19,699,468 | -0.04(-0.16%) |
| Dec 15, 2011 | 25.33 | 25.35 | 25.00 | 25.02 | 9,397,671 | -0.06(-0.24%) |
| Dec 14, 2011 | 25.42 | 25.44 | 24.99 | 25.08 | 13,896,677 | -0.39(-1.53%) |
| Dec 13, 2011 | 25.89 | 25.97 | 25.39 | 25.47 | 11,624,101 | -0.24(-0.93%) |
| Dec 12, 2011 | 25.81 | 25.82 | 25.52 | 25.71 | 58,170,925 | -0.33(-1.27%) |
| Dec 09, 2011 | 25.71 | 26.09 | 25.69 | 26.04 | 8,280,583 | +0.40(+1.56%) |
| Dec 08, 2011 | 25.91 | 26.07 | 25.60 | 25.64 | 6,732,859 | -0.41(-1.57%) |
| Dec 07, 2011 | 25.92 | 26.15 | 25.70 | 26.05 | 5,825,220 | +0.03(+0.12%) |
| Dec 06, 2011 | 26.03 | 26.16 | 25.91 | 26.02 | 5,866,601 | -0.01(-0.04%) |
| Dec 05, 2011 | 26.10 | 26.23 | 25.90 | 26.03 | 6,083,919 | +0.29(+1.13%) |
| Dec 02, 2011 | 25.95 | 26.02 | 25.70 | 25.74 | 5,542,322 | -0.02(-0.08%) |