| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 28, 2011 | 53.65 | 53.96 | 53.11 | 53.37 | 1,263,063 | -0.13(-0.24%) |
| Feb 25, 2011 | 52.60 | 53.91 | 52.52 | 53.50 | 1,563,305 | +1.05(+2.00%) |
| Feb 24, 2011 | 52.38 | 52.97 | 52.13 | 52.45 | 1,649,012 | -0.10(-0.19%) |
| Feb 23, 2011 | 53.89 | 53.96 | 52.43 | 52.55 | 1,914,014 | -1.35(-2.50%) |
| Feb 22, 2011 | 54.16 | 54.38 | 53.78 | 53.90 | 2,228,486 | -0.51(-0.94%) |
| Feb 18, 2011 | 53.66 | 54.42 | 53.37 | 54.41 | 1,451,942 | +0.65(+1.21%) |
| Feb 17, 2011 | 53.71 | 53.98 | 53.19 | 53.76 | 1,541,375 | -0.04(-0.07%) |
| Feb 16, 2011 | 54.40 | 54.40 | 53.24 | 53.80 | 2,815,286 | -0.50(-0.92%) |
| Feb 15, 2011 | 53.96 | 54.46 | 53.90 | 54.30 | 1,112,691 | +0.09(+0.17%) |
| Feb 14, 2011 | 54.00 | 54.21 | 53.39 | 54.21 | 2,198,564 | -0.17(-0.31%) |
| Feb 11, 2011 | 53.67 | 54.40 | 53.44 | 54.38 | 1,844,275 | +0.49(+0.91%) |
| Feb 10, 2011 | 53.44 | 53.94 | 53.20 | 53.89 | 1,834,524 | +0.34(+0.63%) |
| Feb 09, 2011 | 52.98 | 53.76 | 52.80 | 53.55 | 2,110,374 | +0.47(+0.89%) |
| Feb 08, 2011 | 52.44 | 53.13 | 52.28 | 53.08 | 2,067,919 | +0.63(+1.20%) |
| Feb 07, 2011 | 52.72 | 52.72 | 52.05 | 52.45 | 2,617,251 | -0.07(-0.13%) |
| Feb 04, 2011 | 52.88 | 53.50 | 51.87 | 52.52 | 4,949,609 | -2.28(-4.16%) |
| Feb 03, 2011 | 54.02 | 54.97 | 53.71 | 54.80 | 1,807,472 | +0.52(+0.96%) |
| Feb 02, 2011 | 55.16 | 55.17 | 53.94 | 54.28 | 2,238,354 | -1.04(-1.88%) |
| Feb 01, 2011 | 54.45 | 55.68 | 54.40 | 55.32 | 2,619,769 | +1.03(+1.90%) |
| Jan 31, 2011 | 53.43 | 54.40 | 53.40 | 54.29 | 2,079,742 | +0.87(+1.63%) |
| Jan 28, 2011 | 54.05 | 54.45 | 52.73 | 53.42 | 2,092,753 | -0.66(-1.22%) |
| Jan 27, 2011 | 54.12 | 54.53 | 53.98 | 54.08 | 1,031,019 | -0.21(-0.39%) |
| Jan 26, 2011 | 54.50 | 54.64 | 54.15 | 54.29 | 1,509,695 | -0.20(-0.37%) |
| Jan 25, 2011 | 54.04 | 54.49 | 53.47 | 54.49 | 1,750,155 | +0.49(+0.91%) |
| Jan 24, 2011 | 54.24 | 54.79 | 53.77 | 54.00 | 2,748,994 | +0.02(+0.04%) |
| Jan 21, 2011 | 54.69 | 55.07 | 53.98 | 53.98 | 2,146,584 | -0.55(-1.01%) |
| Jan 20, 2011 | 54.66 | 54.99 | 54.35 | 54.53 | 1,597,669 | -0.12(-0.22%) |
| Jan 19, 2011 | 55.41 | 55.41 | 54.31 | 54.65 | 1,684,337 | -0.93(-1.67%) |
| Jan 18, 2011 | 55.32 | 55.78 | 55.11 | 55.58 | 1,931,055 | +0.33(+0.60%) |
| Jan 14, 2011 | 55.05 | 55.57 | 54.23 | 55.25 | 2,699,019 | -0.68(-1.22%) |
| Jan 13, 2011 | 56.08 | 56.40 | 55.85 | 55.93 | 863,289 | -0.21(-0.37%) |
| Jan 12, 2011 | 56.11 | 56.15 | 55.14 | 56.14 | 2,533,803 | +0.02(+0.04%) |
| Jan 11, 2011 | 56.69 | 56.71 | 55.84 | 56.12 | 1,761,992 | +0.17(+0.30%) |
| Jan 10, 2011 | 55.23 | 56.04 | 55.01 | 55.95 | 1,414,502 | +0.33(+0.59%) |
| Jan 07, 2011 | 56.41 | 56.46 | 55.16 | 55.62 | 1,757,786 | -0.78(-1.38%) |
| Jan 06, 2011 | 56.40 | 56.72 | 56.14 | 56.40 | 1,566,294 | -0.18(-0.32%) |
| Jan 05, 2011 | 56.42 | 57.07 | 56.11 | 56.58 | 1,518,622 | -0.15(-0.26%) |
| Jan 04, 2011 | 56.60 | 57.25 | 56.60 | 56.73 | 2,370,744 | +0.04(+0.07%) |
| Jan 03, 2011 | 55.70 | 57.10 | 55.70 | 56.69 | 1,986,408 | +1.19(+2.14%) |
| Dec 31, 2010 | 55.60 | 55.83 | 55.00 | 55.50 | 1,105,928 | -0.12(-0.22%) |
| Dec 30, 2010 | 55.54 | 55.92 | 55.54 | 55.62 | 873,275 | -0.12(-0.22%) |
| Dec 29, 2010 | 55.60 | 56.08 | 55.60 | 55.74 | 1,026,387 | +0.25(+0.45%) |
| Dec 28, 2010 | 55.47 | 55.65 | 55.31 | 55.49 | 930,259 | -0.04(-0.07%) |
| Dec 27, 2010 | 55.50 | 55.65 | 55.04 | 55.53 | 916,208 | -0.05(-0.09%) |
| Dec 23, 2010 | 55.27 | 55.64 | 55.23 | 55.58 | 750,695 | +0.12(+0.22%) |
| Dec 22, 2010 | 55.12 | 55.47 | 55.06 | 55.46 | 1,227,703 | +0.33(+0.60%) |
| Dec 21, 2010 | 55.42 | 55.62 | 55.03 | 55.13 | 1,670,424 | -0.10(-0.18%) |
| Dec 20, 2010 | 55.57 | 55.71 | 54.77 | 55.23 | 1,610,135 | -0.24(-0.43%) |
| Dec 17, 2010 | 55.58 | 55.86 | 54.51 | 55.47 | 3,755,035 | -0.46(-0.82%) |
| Dec 16, 2010 | 55.01 | 56.63 | 54.91 | 55.93 | 2,509,280 | +0.71(+1.29%) |
| Dec 15, 2010 | 54.62 | 56.78 | 54.07 | 55.22 | 3,310,199 | +0.50(+0.91%) |
| Dec 14, 2010 | 53.76 | 54.99 | 53.72 | 54.72 | 1,949,448 | +1.16(+2.17%) |
| Dec 13, 2010 | 52.93 | 53.68 | 52.83 | 53.56 | 2,241,861 | +0.80(+1.52%) |
| Dec 10, 2010 | 52.75 | 53.05 | 52.54 | 52.76 | 2,578,126 | +0.64(+1.23%) |
| Dec 09, 2010 | 52.88 | 53.08 | 51.96 | 52.12 | 2,594,815 | -0.37(-0.70%) |
| Dec 08, 2010 | 53.20 | 53.38 | 52.15 | 52.49 | 1,808,379 | -0.54(-1.02%) |
| Dec 07, 2010 | 53.67 | 53.90 | 52.96 | 53.03 | 1,655,584 | -0.19(-0.36%) |
| Dec 06, 2010 | 52.87 | 53.32 | 52.71 | 53.22 | 1,284,985 | +0.14(+0.26%) |
| Dec 03, 2010 | 52.35 | 53.25 | 52.26 | 53.08 | 1,949,071 | +0.59(+1.12%) |
| Dec 02, 2010 | 51.42 | 52.49 | 51.27 | 52.49 | 1,917,802 | +1.03(+2.00%) |