Historical Prices
| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Mar 30, 2012 | 22.45 | 22.45 | 21.82 | 22.28 | 3,648,162 | +0.13(+0.59%) |
| Mar 29, 2012 | 22.29 | 22.43 | 21.67 | 22.15 | 4,440,323 | -0.32(-1.42%) |
| Mar 28, 2012 | 23.69 | 23.74 | 22.21 | 22.47 | 5,269,940 | -1.25(-5.27%) |
| Mar 27, 2012 | 24.16 | 24.57 | 23.55 | 23.72 | 2,561,756 | -0.39(-1.62%) |
| Mar 26, 2012 | 24.07 | 24.41 | 23.70 | 24.11 | 2,409,938 | +0.17(+0.71%) |
| Mar 23, 2012 | 23.69 | 23.95 | 23.25 | 23.94 | 1,370,014 | +0.24(+1.01%) |
| Mar 22, 2012 | 23.32 | 23.98 | 23.32 | 23.70 | 2,091,366 | -0.02(-0.08%) |
| Mar 21, 2012 | 24.10 | 24.35 | 23.66 | 23.72 | 2,301,726 | -0.14(-0.59%) |
| Mar 20, 2012 | 23.49 | 24.02 | 23.26 | 23.86 | 1,999,957 | +0.00(+0.00%) |
| Mar 19, 2012 | 23.55 | 24.03 | 23.41 | 23.86 | 2,682,513 | +0.24(+1.02%) |
| Mar 16, 2012 | 23.53 | 23.76 | 22.99 | 23.62 | 2,196,902 | +0.14(+0.60%) |
| Mar 15, 2012 | 23.49 | 24.00 | 23.33 | 23.48 | 2,591,218 | +0.04(+0.17%) |
| Mar 14, 2012 | 23.40 | 23.99 | 23.15 | 23.44 | 2,358,265 | +0.04(+0.17%) |
| Mar 13, 2012 | 22.90 | 23.69 | 22.65 | 23.40 | 2,801,520 | +0.80(+3.54%) |
| Mar 12, 2012 | 23.12 | 23.36 | 22.30 | 22.60 | 2,426,329 | -0.67(-2.88%) |
| Mar 09, 2012 | 22.55 | 23.54 | 21.99 | 23.27 | 3,793,590 | +0.99(+4.44%) |
| Mar 08, 2012 | 22.35 | 22.60 | 21.81 | 22.28 | 3,574,749 | +0.98(+4.60%) |
| Mar 07, 2012 | 21.11 | 21.44 | 21.00 | 21.30 | 1,643,362 | +0.30(+1.43%) |
| Mar 06, 2012 | 21.04 | 21.21 | 20.26 | 21.00 | 3,735,373 | -0.52(-2.42%) |
| Mar 05, 2012 | 21.70 | 21.89 | 21.34 | 21.52 | 1,863,245 | -0.29(-1.33%) |
| Mar 02, 2012 | 21.74 | 22.13 | 21.66 | 21.81 | 1,833,540 | -0.07(-0.32%) |
| Mar 01, 2012 | 21.79 | 22.08 | 21.14 | 21.88 | 2,080,000 | +0.28(+1.30%) |
| Feb 29, 2012 | 22.53 | 22.63 | 21.50 | 21.60 | 3,174,826 | -0.91(-4.04%) |
| Feb 28, 2012 | 22.63 | 22.71 | 22.34 | 22.51 | 1,983,086 | -0.11(-0.49%) |
| Feb 27, 2012 | 21.46 | 22.76 | 21.30 | 22.62 | 3,074,202 | +0.92(+4.24%) |
| Feb 24, 2012 | 21.99 | 22.28 | 21.65 | 21.70 | 1,692,398 | -0.17(-0.78%) |
| Feb 23, 2012 | 21.42 | 22.11 | 21.13 | 21.87 | 2,708,572 | +0.58(+2.72%) |
| Feb 22, 2012 | 21.52 | 21.57 | 20.78 | 21.29 | 3,870,332 | -0.32(-1.48%) |
| Feb 21, 2012 | 22.12 | 22.48 | 21.34 | 21.61 | 2,796,180 | -0.57(-2.57%) |
| Feb 17, 2012 | 23.75 | 23.89 | 21.88 | 22.18 | 10,090,430 | -2.47(-10.02%) |
| Feb 16, 2012 | 24.13 | 24.85 | 23.68 | 24.65 | 4,579,114 | +0.49(+2.03%) |
| Feb 15, 2012 | 24.39 | 25.00 | 23.77 | 24.16 | 3,655,855 | +0.00(+0.00%) |
| Feb 14, 2012 | 23.49 | 24.17 | 23.16 | 24.16 | 2,606,206 | +0.65(+2.76%) |
| Feb 13, 2012 | 23.93 | 23.93 | 23.14 | 23.51 | 1,226,521 | -0.06(-0.25%) |
| Feb 10, 2012 | 23.56 | 23.81 | 23.35 | 23.57 | 1,649,460 | -0.45(-1.87%) |
| Feb 09, 2012 | 23.77 | 24.25 | 23.20 | 24.02 | 1,858,211 | +0.47(+2.00%) |
| Feb 08, 2012 | 24.06 | 24.25 | 23.11 | 23.55 | 1,712,208 | -0.47(-1.96%) |
| Feb 07, 2012 | 23.64 | 24.18 | 23.32 | 24.02 | 1,259,502 | +0.22(+0.92%) |
| Feb 06, 2012 | 23.65 | 24.20 | 23.37 | 23.80 | 1,836,098 | -0.06(-0.25%) |
| Feb 03, 2012 | 23.06 | 24.45 | 23.04 | 23.86 | 3,063,259 | +0.99(+4.33%) |
| Feb 02, 2012 | 22.87 | 23.25 | 22.78 | 22.87 | 1,153,506 | +0.19(+0.84%) |
| Feb 01, 2012 | 22.42 | 22.86 | 22.04 | 22.68 | 1,703,029 | +0.50(+2.25%) |
| Jan 31, 2012 | 22.66 | 22.90 | 21.84 | 22.18 | 1,470,718 | -0.38(-1.68%) |
| Jan 30, 2012 | 22.68 | 22.98 | 22.25 | 22.56 | 1,147,381 | -0.41(-1.78%) |
| Jan 27, 2012 | 21.83 | 23.04 | 21.54 | 22.97 | 1,665,449 | +0.23(+1.01%) |
| Jan 26, 2012 | 23.24 | 23.99 | 22.58 | 22.74 | 2,028,451 | -0.34(-1.47%) |
| Jan 25, 2012 | 23.19 | 23.28 | 22.50 | 23.08 | 2,448,375 | -0.06(-0.26%) |
| Jan 24, 2012 | 22.19 | 23.21 | 21.81 | 23.14 | 3,160,524 | +0.85(+3.81%) |
| Jan 23, 2012 | 22.43 | 22.67 | 21.91 | 22.29 | 2,420,549 | -0.22(-0.98%) |
| Jan 20, 2012 | 21.69 | 22.83 | 21.69 | 22.51 | 4,616,169 | +0.72(+3.30%) |
| Jan 19, 2012 | 20.48 | 22.02 | 20.45 | 21.79 | 4,665,715 | +1.61(+7.98%) |
| Jan 18, 2012 | 19.25 | 20.43 | 19.15 | 20.18 | 3,253,599 | +0.97(+5.05%) |
| Jan 17, 2012 | 19.15 | 19.53 | 19.15 | 19.21 | 1,498,932 | -0.12(-0.62%) |
| Jan 13, 2012 | 19.17 | 19.48 | 19.05 | 19.33 | 1,429,882 | -0.18(-0.92%) |
| Jan 12, 2012 | 19.48 | 19.59 | 19.16 | 19.51 | 1,089,302 | +0.13(+0.67%) |
| Jan 11, 2012 | 18.87 | 19.47 | 18.59 | 19.38 | 1,916,021 | +0.49(+2.59%) |
| Jan 10, 2012 | 18.64 | 19.06 | 18.47 | 18.89 | 1,839,804 | +0.47(+2.55%) |
| Jan 09, 2012 | 18.65 | 18.87 | 18.21 | 18.42 | 2,169,778 | -0.28(-1.50%) |
| Jan 06, 2012 | 18.04 | 18.83 | 18.04 | 18.70 | 3,062,082 | +0.50(+2.75%) |
| Jan 05, 2012 | 17.77 | 18.35 | 17.62 | 18.20 | 1,810,122 | +0.27(+1.51%) |
