| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 28, 2011 | 37.03 | 37.20 | 36.82 | 37.01 | 10,365,114 | +0.18(+0.49%) |
| Feb 25, 2011 | 36.77 | 36.88 | 36.60 | 36.83 | 12,159,730 | +0.33(+0.90%) |
| Feb 24, 2011 | 36.22 | 36.73 | 36.10 | 36.50 | 19,519,798 | +0.21(+0.58%) |
| Feb 23, 2011 | 36.91 | 36.91 | 35.91 | 36.29 | 52,702,495 | -0.65(-1.75%) |
| Feb 22, 2011 | 37.63 | 37.69 | 36.82 | 36.94 | 13,824,184 | -1.11(-2.91%) |
| Feb 18, 2011 | 37.96 | 38.08 | 37.90 | 38.04 | 10,110,753 | +0.10(+0.28%) |
| Feb 17, 2011 | 37.80 | 37.98 | 37.69 | 37.94 | 10,252,057 | +0.09(+0.24%) |
| Feb 16, 2011 | 37.87 | 38.00 | 37.60 | 37.85 | 11,612,475 | +0.18(+0.48%) |
| Feb 15, 2011 | 37.73 | 37.74 | 37.48 | 37.67 | 8,727,886 | -0.14(-0.37%) |
| Feb 14, 2011 | 37.90 | 37.90 | 37.69 | 37.81 | 6,367,144 | -0.04(-0.11%) |
| Feb 11, 2011 | 37.42 | 37.92 | 37.38 | 37.85 | 11,210,642 | +0.28(+0.75%) |
| Feb 10, 2011 | 37.20 | 37.62 | 37.12 | 37.57 | 13,896,732 | +0.20(+0.54%) |
| Feb 09, 2011 | 37.29 | 37.41 | 37.18 | 37.37 | 12,441,664 | -0.01(-0.01%) |
| Feb 08, 2011 | 37.27 | 37.39 | 37.09 | 37.38 | 10,041,998 | +0.25(+0.67%) |
| Feb 07, 2011 | 36.88 | 37.22 | 36.88 | 37.12 | 9,793,021 | +0.35(+0.94%) |
| Feb 04, 2011 | 36.75 | 36.81 | 36.51 | 36.78 | 8,689,378 | +0.13(+0.35%) |
| Feb 03, 2011 | 36.69 | 36.69 | 36.40 | 36.65 | 10,043,584 | +0.02(+0.04%) |
| Feb 02, 2011 | 36.66 | 36.82 | 36.60 | 36.63 | 13,112,882 | -0.12(-0.31%) |
| Feb 01, 2011 | 36.47 | 36.80 | 36.38 | 36.75 | 13,750,586 | +0.51(+1.41%) |
| Jan 31, 2011 | 35.92 | 36.28 | 35.87 | 36.24 | 11,530,302 | +0.41(+1.14%) |
| Jan 28, 2011 | 36.64 | 36.82 | 35.78 | 35.83 | 18,193,591 | -0.71(-1.96%) |
| Jan 27, 2011 | 36.45 | 36.65 | 36.38 | 36.54 | 9,505,779 | +0.13(+0.37%) |
| Jan 26, 2011 | 36.19 | 36.52 | 36.17 | 36.41 | 15,748,233 | +0.21(+0.59%) |
| Jan 25, 2011 | 36.16 | 36.23 | 35.87 | 36.20 | 12,919,231 | -0.05(-0.12%) |
| Jan 24, 2011 | 35.93 | 36.29 | 35.86 | 36.24 | 9,585,362 | +0.34(+0.95%) |
| Jan 21, 2011 | 36.09 | 36.18 | 35.79 | 35.90 | 13,339,209 | +0.29(+0.81%) |
| Jan 20, 2011 | 35.64 | 35.78 | 35.38 | 35.61 | 19,478,550 | -0.18(-0.50%) |
| Jan 19, 2011 | 36.14 | 36.14 | 35.66 | 35.79 | 11,443,513 | -0.38(-1.05%) |
| Jan 18, 2011 | 36.01 | 36.18 | 35.97 | 36.17 | 9,008,406 | +0.26(+0.72%) |
| Jan 14, 2011 | 35.74 | 35.94 | 35.67 | 35.91 | 9,937,349 | +0.15(+0.41%) |
| Jan 13, 2011 | 35.76 | 35.88 | 35.67 | 35.76 | 9,859,380 | +0.03(+0.10%) |
| Jan 12, 2011 | 35.70 | 35.84 | 35.63 | 35.73 | 7,173,157 | +0.29(+0.82%) |
| Jan 11, 2011 | 35.55 | 35.61 | 35.25 | 35.44 | 7,217,217 | +0.13(+0.37%) |
| Jan 10, 2011 | 35.15 | 35.39 | 35.03 | 35.31 | 9,419,156 | +0.05(+0.14%) |
| Jan 07, 2011 | 35.31 | 35.50 | 35.03 | 35.26 | 11,827,868 | +0.07(+0.20%) |
| Jan 06, 2011 | 35.30 | 35.39 | 35.08 | 35.19 | 9,881,667 | -0.06(-0.17%) |
| Jan 05, 2011 | 34.93 | 35.35 | 34.89 | 35.25 | 9,908,842 | +0.18(+0.51%) |
| Jan 04, 2011 | 35.22 | 35.22 | 34.73 | 35.07 | 10,059,601 | -0.05(-0.14%) |
| Jan 03, 2011 | 35.05 | 35.32 | 35.05 | 35.12 | 6,400,748 | +0.25(+0.72%) |
| Dec 31, 2010 | 34.81 | 34.92 | 34.71 | 34.87 | 4,004,221 | +0.04(+0.11%) |
| Dec 30, 2010 | 34.85 | 34.96 | 34.79 | 34.83 | 4,316,067 | -0.08(-0.23%) |
| Dec 29, 2010 | 34.97 | 35.00 | 34.87 | 34.91 | 3,893,360 | +0.05(+0.14%) |
| Dec 28, 2010 | 34.91 | 34.95 | 34.71 | 34.86 | 3,581,266 | -0.02(-0.06%) |
| Dec 27, 2010 | 34.73 | 34.90 | 34.60 | 34.88 | 3,150,977 | +0.06(+0.17%) |
| Dec 23, 2010 | 34.87 | 34.89 | 34.71 | 34.82 | 4,177,686 | -0.07(-0.20%) |
| Dec 22, 2010 | 34.86 | 34.91 | 34.78 | 34.89 | 5,748,503 | +0.08(+0.23%) |
| Dec 21, 2010 | 34.66 | 34.84 | 34.56 | 34.81 | 7,127,648 | +0.28(+0.81%) |
| Dec 20, 2010 | 34.62 | 34.68 | 34.36 | 34.53 | 7,327,369 | -0.01(-0.03%) |
| Dec 17, 2010 | 34.72 | 34.72 | 34.39 | 34.54 | 8,233,671 | -0.28(-0.80%) |
| Dec 16, 2010 | 34.43 | 34.82 | 34.38 | 34.82 | 9,357,534 | +0.38(+1.10%) |
| Dec 15, 2010 | 34.55 | 34.74 | 34.38 | 34.44 | 11,470,782 | -0.14(-0.40%) |
| Dec 14, 2010 | 34.51 | 34.71 | 34.46 | 34.58 | 9,619,355 | +0.16(+0.46%) |
| Dec 13, 2010 | 34.65 | 34.66 | 34.40 | 34.42 | 9,198,578 | +0.02(+0.07%) |
| Dec 10, 2010 | 34.22 | 34.46 | 34.09 | 34.40 | 9,182,625 | +0.30(+0.89%) |
| Dec 09, 2010 | 34.20 | 34.26 | 33.97 | 34.09 | 10,672,846 | +0.10(+0.29%) |
| Dec 08, 2010 | 34.15 | 34.25 | 33.89 | 33.99 | 18,080,357 | -0.12(-0.35%) |
| Dec 07, 2010 | 34.36 | 34.43 | 34.10 | 34.11 | 19,222,116 | +0.09(+0.27%) |
| Dec 06, 2010 | 33.94 | 34.13 | 33.82 | 34.02 | 16,350,939 | -0.02(-0.07%) |
| Dec 03, 2010 | 33.80 | 34.09 | 33.66 | 34.04 | 10,593,945 | +0.07(+0.21%) |
| Dec 02, 2010 | 33.50 | 34.04 | 33.46 | 33.97 | 12,706,221 | +0.52(+1.55%) |