| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 29, 2012 | 48.00 | 48.27 | 47.21 | 47.31 | 1,227,112 | -0.66(-1.38%) |
| Feb 28, 2012 | 47.77 | 48.17 | 47.51 | 47.97 | 1,453,027 | +0.08(+0.17%) |
| Feb 27, 2012 | 47.40 | 48.07 | 47.02 | 47.89 | 1,132,636 | +0.20(+0.42%) |
| Feb 24, 2012 | 47.49 | 47.91 | 47.41 | 47.69 | 1,071,293 | +0.14(+0.29%) |
| Feb 23, 2012 | 47.00 | 47.64 | 46.75 | 47.55 | 1,250,345 | +0.59(+1.26%) |
| Feb 22, 2012 | 46.49 | 47.18 | 46.25 | 46.96 | 1,830,762 | +0.47(+1.01%) |
| Feb 21, 2012 | 46.98 | 47.40 | 46.24 | 46.49 | 4,839,578 | +0.57(+1.24%) |
| Feb 17, 2012 | 50.06 | 50.15 | 45.61 | 45.92 | 8,061,206 | -3.89(-7.81%) |
| Feb 16, 2012 | 50.68 | 50.82 | 49.49 | 49.81 | 1,690,467 | -0.65(-1.29%) |
| Feb 15, 2012 | 50.02 | 50.84 | 49.92 | 50.46 | 1,807,236 | +0.61(+1.22%) |
| Feb 14, 2012 | 49.56 | 50.24 | 49.56 | 49.85 | 1,734,101 | +0.04(+0.08%) |
| Feb 13, 2012 | 49.90 | 50.40 | 49.71 | 49.81 | 1,883,429 | +0.26(+0.52%) |
| Feb 10, 2012 | 49.15 | 49.76 | 49.10 | 49.55 | 1,633,562 | -0.03(-0.06%) |
| Feb 09, 2012 | 50.00 | 50.00 | 49.18 | 49.58 | 1,906,346 | -0.15(-0.30%) |
| Feb 08, 2012 | 48.88 | 50.25 | 48.40 | 49.73 | 3,871,546 | +0.85(+1.74%) |
| Feb 07, 2012 | 49.18 | 49.26 | 48.72 | 48.88 | 2,043,841 | -0.36(-0.73%) |
| Feb 06, 2012 | 49.38 | 49.66 | 49.09 | 49.24 | 1,045,816 | -0.33(-0.67%) |
| Feb 03, 2012 | 49.73 | 49.96 | 49.42 | 49.57 | 1,625,832 | +0.71(+1.45%) |
| Feb 02, 2012 | 48.88 | 49.31 | 48.72 | 48.86 | 1,595,953 | -0.13(-0.27%) |
| Feb 01, 2012 | 48.86 | 49.50 | 48.86 | 48.99 | 2,304,068 | +0.56(+1.16%) |
| Jan 31, 2012 | 48.75 | 48.96 | 48.13 | 48.43 | 1,460,253 | -0.13(-0.27%) |
| Jan 30, 2012 | 48.13 | 48.59 | 47.78 | 48.56 | 1,350,356 | +0.01(+0.02%) |
| Jan 27, 2012 | 48.93 | 49.27 | 48.44 | 48.55 | 1,830,030 | -0.56(-1.14%) |
| Jan 26, 2012 | 49.74 | 49.79 | 48.72 | 49.11 | 2,944,756 | +0.02(+0.04%) |
| Jan 25, 2012 | 50.61 | 50.83 | 48.41 | 49.09 | 7,764,662 | +1.78(+3.76%) |
| Jan 24, 2012 | 45.67 | 47.61 | 45.33 | 47.31 | 3,409,511 | +1.42(+3.09%) |
| Jan 23, 2012 | 45.31 | 45.99 | 45.30 | 45.89 | 2,208,817 | +0.52(+1.15%) |
| Jan 20, 2012 | 46.70 | 46.70 | 45.10 | 45.37 | 3,578,258 | -1.53(-3.26%) |
| Jan 19, 2012 | 46.93 | 47.30 | 46.66 | 46.90 | 2,356,997 | -0.15(-0.32%) |
| Jan 18, 2012 | 46.49 | 47.10 | 46.10 | 47.05 | 2,770,964 | +0.70(+1.51%) |
| Jan 17, 2012 | 46.91 | 46.97 | 46.12 | 46.35 | 3,264,239 | +0.28(+0.61%) |
| Jan 13, 2012 | 46.64 | 46.68 | 45.69 | 46.07 | 2,280,696 | -0.71(-1.52%) |
| Jan 12, 2012 | 46.47 | 46.88 | 46.13 | 46.78 | 2,320,907 | +0.62(+1.34%) |
| Jan 11, 2012 | 46.23 | 46.86 | 45.78 | 46.16 | 4,445,168 | -0.01(-0.02%) |
| Jan 10, 2012 | 46.00 | 47.31 | 43.86 | 46.17 | 9,035,954 | +3.52(+8.25%) |
| Jan 09, 2012 | 42.58 | 43.10 | 42.52 | 42.65 | 2,404,080 | +0.09(+0.21%) |
| Jan 06, 2012 | 40.99 | 42.70 | 40.91 | 42.56 | 2,519,385 | +1.56(+3.80%) |
| Jan 05, 2012 | 39.89 | 41.03 | 39.89 | 41.00 | 1,486,396 | +0.92(+2.30%) |
| Jan 04, 2012 | 40.54 | 40.72 | 39.96 | 40.08 | 1,013,649 | +1.17(+3.01%) |
| Dec 30, 2011 | 39.00 | 39.40 | 38.55 | 38.91 | 1,288,911 | -0.34(-0.87%) |
| Dec 29, 2011 | 39.07 | 39.39 | 38.82 | 39.25 | 1,092,824 | +0.39(+1.00%) |
| Dec 28, 2011 | 39.94 | 39.97 | 38.81 | 38.86 | 778,564 | -1.14(-2.85%) |
| Dec 27, 2011 | 39.77 | 40.20 | 39.62 | 40.00 | 488,839 | +0.08(+0.20%) |
| Dec 23, 2011 | 40.21 | 40.33 | 39.76 | 39.92 | 521,331 | +0.42(+1.06%) |
| Dec 21, 2011 | 39.85 | 40.21 | 38.90 | 39.50 | 1,332,234 | -0.34(-0.85%) |
| Dec 20, 2011 | 38.88 | 39.89 | 38.59 | 39.84 | 1,472,377 | +1.80(+4.73%) |
| Dec 19, 2011 | 39.00 | 39.18 | 37.97 | 38.04 | 1,020,557 | -0.85(-2.19%) |
| Dec 16, 2011 | 38.86 | 39.29 | 38.63 | 38.89 | 2,034,055 | +0.50(+1.30%) |
| Dec 15, 2011 | 38.75 | 38.97 | 38.26 | 38.39 | 2,140,935 | +0.07(+0.18%) |
| Dec 14, 2011 | 38.23 | 38.48 | 38.00 | 38.32 | 1,313,362 | +0.02(+0.05%) |
| Dec 13, 2011 | 38.83 | 39.02 | 38.12 | 38.30 | 1,574,365 | -0.17(-0.44%) |
| Dec 12, 2011 | 39.19 | 39.31 | 38.20 | 38.47 | 1,849,450 | -1.09(-2.76%) |
| Dec 09, 2011 | 39.39 | 39.96 | 39.23 | 39.56 | 1,519,054 | +0.51(+1.31%) |
| Dec 08, 2011 | 39.64 | 39.78 | 39.02 | 39.05 | 1,250,870 | -0.92(-2.30%) |
| Dec 07, 2011 | 39.76 | 40.20 | 39.37 | 39.97 | 1,174,309 | +0.09(+0.23%) |
| Dec 06, 2011 | 40.01 | 40.15 | 39.53 | 39.88 | 1,036,720 | -0.01(-0.03%) |
| Dec 05, 2011 | 39.66 | 40.49 | 39.37 | 39.89 | 1,870,386 | +0.92(+2.36%) |
| Dec 02, 2011 | 39.38 | 39.65 | 38.89 | 38.97 | 2,023,112 | -0.20(-0.51%) |