| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 28, 2011 | 41.46 | 41.75 | 41.24 | 41.64 | 2,154,793 | +0.38(+0.92%) |
| Feb 25, 2011 | 40.59 | 41.30 | 40.50 | 41.26 | 1,906,400 | +0.77(+1.90%) |
| Feb 24, 2011 | 40.40 | 40.64 | 40.13 | 40.49 | 2,409,427 | +0.02(+0.05%) |
| Feb 23, 2011 | 40.95 | 41.15 | 40.25 | 40.47 | 2,519,489 | -0.58(-1.41%) |
| Feb 22, 2011 | 41.69 | 41.87 | 40.99 | 41.05 | 1,784,963 | -1.09(-2.59%) |
| Feb 18, 2011 | 41.89 | 42.14 | 41.76 | 42.14 | 2,040,810 | +0.28(+0.67%) |
| Feb 17, 2011 | 41.71 | 41.95 | 41.46 | 41.86 | 1,956,042 | +0.12(+0.29%) |
| Feb 16, 2011 | 41.91 | 42.14 | 41.52 | 41.74 | 1,693,414 | -0.10(-0.24%) |
| Feb 15, 2011 | 41.69 | 42.03 | 41.42 | 41.84 | 2,274,677 | -0.13(-0.31%) |
| Feb 14, 2011 | 41.87 | 42.16 | 41.67 | 41.97 | 2,253,554 | +0.40(+0.96%) |
| Feb 11, 2011 | 41.10 | 41.63 | 40.82 | 41.57 | 2,202,657 | +0.43(+1.05%) |
| Feb 10, 2011 | 41.29 | 41.48 | 40.95 | 41.14 | 2,218,862 | -0.27(-0.65%) |
| Feb 09, 2011 | 41.62 | 41.59 | 41.08 | 41.41 | 2,144,012 | -0.21(-0.50%) |
| Feb 08, 2011 | 41.63 | 41.83 | 41.39 | 41.62 | 2,616,606 | -0.12(-0.29%) |
| Feb 07, 2011 | 41.99 | 42.09 | 41.50 | 41.74 | 3,025,634 | -0.12(-0.29%) |
| Feb 04, 2011 | 42.08 | 42.10 | 40.95 | 41.86 | 3,243,632 | -0.45(-1.06%) |
| Feb 03, 2011 | 42.75 | 43.00 | 40.39 | 42.31 | 4,406,369 | +0.62(+1.49%) |
| Feb 02, 2011 | 41.91 | 42.00 | 41.42 | 41.69 | 2,848,468 | -0.26(-0.62%) |
| Feb 01, 2011 | 41.95 | 42.37 | 41.85 | 41.95 | 2,709,666 | +0.44(+1.06%) |
| Jan 31, 2011 | 41.19 | 41.60 | 40.81 | 41.51 | 3,251,152 | +0.44(+1.07%) |
| Jan 28, 2011 | 42.03 | 42.03 | 40.93 | 41.07 | 2,889,936 | -0.90(-2.14%) |
| Jan 27, 2011 | 41.74 | 42.20 | 41.29 | 41.97 | 3,586,642 | +0.15(+0.36%) |
| Jan 26, 2011 | 41.47 | 41.94 | 41.35 | 41.82 | 2,517,329 | +0.51(+1.23%) |
| Jan 25, 2011 | 41.33 | 41.78 | 41.05 | 41.31 | 2,646,243 | -0.16(-0.39%) |
| Jan 24, 2011 | 41.28 | 41.60 | 41.27 | 41.47 | 3,173,692 | +0.17(+0.41%) |
| Jan 21, 2011 | 40.99 | 41.41 | 40.78 | 41.30 | 4,347,228 | +0.85(+2.10%) |
| Jan 20, 2011 | 40.73 | 40.79 | 39.89 | 40.45 | 4,525,710 | -0.38(-0.93%) |
| Jan 19, 2011 | 41.47 | 41.62 | 40.61 | 40.83 | 2,836,637 | -0.52(-1.26%) |
| Jan 18, 2011 | 40.66 | 41.53 | 40.50 | 41.35 | 3,824,129 | +0.76(+1.87%) |
| Jan 14, 2011 | 40.60 | 40.66 | 40.13 | 40.59 | 3,118,966 | -0.04(-0.10%) |
| Jan 13, 2011 | 40.25 | 40.86 | 40.25 | 40.63 | 3,013,534 | +0.38(+0.94%) |
| Jan 12, 2011 | 40.13 | 40.31 | 39.84 | 40.25 | 2,631,506 | +0.35(+0.88%) |
| Jan 11, 2011 | 39.39 | 40.27 | 39.24 | 39.90 | 3,975,135 | +0.66(+1.68%) |
| Jan 10, 2011 | 38.72 | 39.30 | 38.51 | 39.24 | 2,454,153 | +0.44(+1.13%) |
| Jan 07, 2011 | 39.40 | 39.53 | 38.75 | 38.80 | 4,855,738 | -0.32(-0.82%) |
| Jan 06, 2011 | 38.95 | 39.41 | 38.88 | 39.12 | 2,225,310 | +0.18(+0.47%) |
| Jan 05, 2011 | 38.55 | 39.01 | 38.28 | 38.94 | 2,850,424 | +0.36(+0.93%) |
| Jan 04, 2011 | 38.96 | 39.06 | 38.48 | 38.58 | 2,888,887 | -0.48(-1.23%) |
| Jan 03, 2011 | 38.64 | 39.14 | 38.64 | 39.06 | 2,113,102 | +0.75(+1.96%) |
| Dec 31, 2010 | 38.40 | 38.59 | 38.25 | 38.31 | 1,122,238 | -0.20(-0.52%) |
| Dec 30, 2010 | 38.40 | 38.64 | 38.36 | 38.51 | 1,608,278 | -0.05(-0.13%) |
| Dec 29, 2010 | 38.61 | 38.87 | 38.55 | 38.56 | 1,564,586 | -0.19(-0.49%) |
| Dec 28, 2010 | 38.85 | 38.97 | 38.60 | 38.75 | 1,538,981 | -0.07(-0.18%) |
| Dec 27, 2010 | 38.89 | 38.95 | 38.65 | 38.82 | 1,171,751 | -0.12(-0.31%) |
| Dec 23, 2010 | 39.12 | 39.29 | 38.88 | 38.94 | 2,179,479 | -0.17(-0.43%) |
| Dec 22, 2010 | 38.76 | 39.17 | 38.65 | 39.11 | 2,836,642 | +0.41(+1.06%) |
| Dec 21, 2010 | 38.73 | 38.84 | 38.40 | 38.70 | 2,734,674 | +0.17(+0.44%) |
| Dec 20, 2010 | 38.84 | 38.94 | 38.31 | 38.53 | 3,217,764 | -0.18(-0.46%) |
| Dec 17, 2010 | 37.99 | 38.76 | 37.97 | 38.71 | 4,606,320 | +0.73(+1.92%) |
| Dec 16, 2010 | 37.20 | 38.41 | 36.78 | 37.98 | 3,943,654 | +0.90(+2.43%) |
| Dec 15, 2010 | 37.13 | 37.39 | 36.86 | 37.08 | 2,742,126 | -0.18(-0.48%) |
| Dec 14, 2010 | 37.20 | 37.45 | 37.04 | 37.26 | 2,064,566 | +0.26(+0.70%) |
| Dec 13, 2010 | 37.39 | 37.39 | 36.70 | 37.00 | 2,376,708 | -0.15(-0.40%) |
| Dec 10, 2010 | 36.60 | 37.20 | 36.57 | 37.15 | 2,459,050 | +0.56(+1.53%) |
| Dec 09, 2010 | 36.87 | 36.97 | 36.40 | 36.59 | 3,348,031 | -0.17(-0.46%) |
| Dec 08, 2010 | 37.52 | 37.60 | 36.48 | 36.76 | 5,422,697 | -0.65(-1.74%) |
| Dec 07, 2010 | 37.56 | 38.00 | 37.34 | 37.41 | 5,071,433 | +0.24(+0.65%) |
| Dec 06, 2010 | 37.03 | 37.26 | 36.98 | 37.17 | 1,380,394 | -0.07(-0.19%) |
| Dec 03, 2010 | 37.33 | 37.35 | 36.82 | 37.24 | 2,124,309 | -0.12(-0.32%) |
| Dec 02, 2010 | 36.56 | 37.51 | 36.54 | 37.36 | 3,050,021 | +0.74(+2.02%) |