| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| 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%) |
| Jan 04, 2012 | 17.52 | 18.12 | 17.20 | 17.93 | 2,710,148 | -0.59(-3.19%) |
| Dec 30, 2011 | 18.33 | 18.70 | 18.27 | 18.52 | 1,218,079 | +0.11(+0.60%) |
| Dec 29, 2011 | 18.11 | 18.52 | 18.10 | 18.41 | 1,255,850 | +0.28(+1.54%) |
| Dec 28, 2011 | 18.55 | 18.62 | 18.01 | 18.13 | 1,321,874 | -0.51(-2.74%) |
| Dec 27, 2011 | 18.47 | 18.80 | 18.39 | 18.64 | 1,148,150 | +0.01(+0.05%) |
| Dec 23, 2011 | 18.54 | 18.72 | 18.25 | 18.63 | 1,216,034 | +0.74(+4.14%) |
| Dec 21, 2011 | 18.42 | 18.47 | 17.55 | 17.89 | 3,603,530 | -0.70(-3.74%) |
| Dec 20, 2011 | 17.95 | 18.71 | 17.84 | 18.58 | 3,213,912 | +1.00(+5.72%) |
| Dec 19, 2011 | 18.41 | 18.73 | 17.43 | 17.58 | 5,904,818 | -1.01(-5.43%) |
| Dec 16, 2011 | 19.45 | 19.68 | 18.23 | 18.59 | 4,285,217 | -0.67(-3.48%) |
| Dec 15, 2011 | 20.24 | 20.39 | 19.15 | 19.26 | 3,111,867 | -0.71(-3.56%) |
| Dec 14, 2011 | 20.27 | 20.43 | 19.53 | 19.97 | 2,270,146 | -0.60(-2.92%) |
| Dec 13, 2011 | 21.07 | 21.38 | 20.33 | 20.57 | 1,969,590 | -0.35(-1.67%) |
| Dec 12, 2011 | 20.52 | 20.94 | 20.33 | 20.92 | 1,988,071 | -0.10(-0.48%) |
| Dec 09, 2011 | 20.66 | 21.12 | 20.27 | 21.02 | 1,954,410 | +0.57(+2.79%) |
| Dec 08, 2011 | 21.06 | 21.24 | 20.29 | 20.45 | 1,686,975 | -0.86(-4.04%) |
| Dec 07, 2011 | 21.34 | 21.53 | 20.89 | 21.31 | 1,452,821 | -0.30(-1.39%) |
| Dec 06, 2011 | 22.39 | 22.39 | 21.50 | 21.61 | 1,666,785 | -0.80(-3.57%) |
| Dec 05, 2011 | 21.69 | 22.59 | 21.66 | 22.41 | 2,758,584 | +1.06(+4.96%) |
| Dec 02, 2011 | 21.53 | 21.91 | 21.31 | 21.35 | 1,829,245 | +0.14(+0.66%) |
| Dec 01, 2011 | 21.00 | 21.38 | 20.54 | 21.21 | 1,673,742 | +0.11(+0.52%) |
| Nov 30, 2011 | 20.59 | 21.39 | 20.31 | 21.10 | 3,104,544 | +1.44(+7.32%) |
| Nov 29, 2011 | 19.74 | 20.15 | 19.39 | 19.66 | 1,752,309 | -0.34(-1.70%) |
| Nov 28, 2011 | 20.32 | 20.43 | 19.49 | 20.00 | 2,440,804 | +0.80(+4.17%) |
| Nov 25, 2011 | 19.28 | 19.63 | 19.05 | 19.20 | 1,223,638 | -0.19(-0.98%) |
| Nov 23, 2011 | 18.92 | 19.83 | 18.89 | 19.39 | 3,828,233 | +0.21(+1.09%) |
| Nov 22, 2011 | 20.02 | 20.02 | 18.87 | 19.18 | 4,059,393 | -0.84(-4.20%) |
| Nov 21, 2011 | 21.25 | 21.41 | 19.46 | 20.02 | 6,418,866 | -2.02(-9.17%) |
| Nov 18, 2011 | 24.24 | 24.28 | 21.70 | 22.04 | 7,797,137 | +0.25(+1.15%) |
| Nov 17, 2011 | 24.05 | 24.05 | 21.69 | 21.79 | 5,484,510 | -2.35(-9.73%) |
| Nov 16, 2011 | 23.15 | 24.56 | 23.13 | 24.14 | 4,853,118 | +0.63(+2.68%) |
| Nov 15, 2011 | 23.37 | 23.76 | 23.04 | 23.51 | 3,697,021 | -0.13(-0.55%) |
| Nov 14, 2011 | 23.44 | 23.92 | 23.24 | 23.64 | 3,868,003 | +0.20(+0.85%) |
| Nov 11, 2011 | 23.37 | 23.74 | 23.24 | 23.44 | 3,013,010 | +0.40(+1.74%) |
| Nov 10, 2011 | 23.88 | 23.90 | 22.90 | 23.04 | 2,737,495 | -0.40(-1.71%) |
| Nov 09, 2011 | 24.06 | 24.58 | 23.38 | 23.44 | 2,412,082 | -1.13(-4.60%) |
| Nov 08, 2011 | 24.70 | 24.85 | 23.90 | 24.57 | 1,526,742 | +0.19(+0.78%) |
| Nov 07, 2011 | 24.60 | 24.84 | 24.00 | 24.38 | 1,934,546 | -0.17(-0.69%) |
| Nov 04, 2011 | 23.76 | 25.10 | 23.64 | 24.55 | 3,031,168 | +0.52(+2.16%) |
| Nov 03, 2011 | 23.88 | 24.11 | 22.94 | 24.03 | 1,324,127 | +0.61(+2.60%) |
| Nov 02, 2011 | 23.99 | 23.99 | 22.79 | 23.42 | 1,466,564 | +0.46(+2.00%) |