| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 29, 2012 | 32.51 | 32.63 | 32.25 | 32.29 | 64,417 | -0.10(-0.31%) |
| Feb 28, 2012 | 32.40 | 32.51 | 32.14 | 32.39 | 32,833 | +0.08(+0.25%) |
| Feb 27, 2012 | 32.26 | 32.31 | 31.98 | 32.31 | 63,138 | -0.13(-0.40%) |
| Feb 24, 2012 | 32.46 | 32.51 | 32.27 | 32.44 | 56,461 | +0.20(+0.62%) |
| Feb 23, 2012 | 32.32 | 32.54 | 32.08 | 32.24 | 32,155 | -0.15(-0.46%) |
| Feb 22, 2012 | 32.65 | 32.67 | 32.38 | 32.39 | 3,183 | -0.29(-0.89%) |
| Feb 21, 2012 | 32.83 | 32.91 | 32.52 | 32.68 | 175,534 | -0.17(-0.52%) |
| Feb 20, 2012 | 32.60 | 32.85 | 32.60 | 32.85 | 8,663 | +0.44(+1.36%) |
| Feb 17, 2012 | 32.25 | 32.52 | 32.23 | 32.41 | 83,772 | +0.42(+1.31%) |
| Feb 16, 2012 | 31.73 | 31.99 | 31.67 | 31.99 | 16,716 | -0.09(-0.28%) |
| Feb 15, 2012 | 32.20 | 32.33 | 32.04 | 32.08 | 36,189 | +0.11(+0.34%) |
| Feb 14, 2012 | 31.84 | 32.03 | 31.84 | 31.97 | 16,111 | +0.00(+0.00%) |
| Feb 13, 2012 | 32.11 | 32.20 | 31.92 | 31.97 | 13,802 | +0.12(+0.38%) |
| Feb 10, 2012 | 32.05 | 32.13 | 31.78 | 31.85 | 11,519 | -0.47(-1.45%) |
| Feb 09, 2012 | 32.32 | 32.47 | 32.22 | 32.32 | 21,309 | +0.11(+0.34%) |
| Feb 08, 2012 | 32.39 | 32.49 | 32.21 | 32.21 | 55,205 | +0.01(+0.03%) |
| Feb 07, 2012 | 32.24 | 32.28 | 31.92 | 32.20 | 27,632 | +0.04(+0.12%) |
| Feb 06, 2012 | 32.04 | 32.20 | 32.00 | 32.16 | 138,431 | -0.13(-0.40%) |
| Feb 03, 2012 | 31.75 | 32.29 | 31.72 | 32.29 | 26,871 | +0.47(+1.48%) |
| Feb 02, 2012 | 31.90 | 31.90 | 31.62 | 31.82 | 19,689 | +0.11(+0.35%) |
| Feb 01, 2012 | 31.19 | 31.71 | 31.19 | 31.71 | 38,756 | +0.70(+2.26%) |
| Jan 31, 2012 | 31.01 | 31.20 | 30.96 | 31.01 | 21,898 | +0.25(+0.81%) |
| Jan 30, 2012 | 30.96 | 31.05 | 30.75 | 30.76 | 69,253 | -0.50(-1.60%) |
| Jan 27, 2012 | 31.32 | 31.56 | 31.20 | 31.26 | 62,829 | -0.27(-0.86%) |
| Jan 26, 2012 | 31.18 | 31.57 | 31.12 | 31.53 | 111,865 | +0.50(+1.61%) |
| Jan 25, 2012 | 31.17 | 31.20 | 30.74 | 31.03 | 128,711 | -0.01(-0.03%) |
| Jan 24, 2012 | 31.00 | 31.07 | 30.81 | 31.04 | 29,113 | -0.18(-0.58%) |
| Jan 23, 2012 | 31.01 | 31.34 | 30.94 | 31.22 | 67,750 | +0.20(+0.64%) |
| Jan 20, 2012 | 31.09 | 31.10 | 30.89 | 31.02 | 71,728 | -0.09(-0.29%) |
| Jan 19, 2012 | 30.69 | 31.11 | 30.69 | 31.11 | 29,857 | +0.55(+1.80%) |
| Jan 18, 2012 | 30.57 | 30.72 | 30.37 | 30.56 | 6,118 | +0.01(+0.03%) |
| Jan 17, 2012 | 30.53 | 30.70 | 30.40 | 30.55 | 10,296 | +0.39(+1.29%) |
| Jan 16, 2012 | 29.63 | 30.19 | 29.63 | 30.16 | 38,897 | +0.28(+0.94%) |
| Jan 13, 2012 | 30.26 | 30.26 | 29.55 | 29.88 | 25,729 | -0.10(-0.33%) |
| Jan 12, 2012 | 29.93 | 30.38 | 29.93 | 29.98 | 66,679 | +0.11(+0.37%) |
| Jan 11, 2012 | 29.90 | 30.00 | 29.78 | 29.87 | 27,615 | -0.08(-0.27%) |
| Jan 10, 2012 | 29.58 | 30.05 | 29.57 | 29.95 | 11,692 | +0.69(+2.36%) |
| Jan 09, 2012 | 29.41 | 29.53 | 29.26 | 29.26 | 37,390 | -0.11(-0.37%) |
| Jan 06, 2012 | 29.62 | 29.74 | 29.23 | 29.37 | 41,025 | -0.16(-0.54%) |
| Jan 05, 2012 | 29.96 | 29.96 | 29.46 | 29.53 | 64,970 | -0.38(-1.27%) |
| Jan 04, 2012 | 30.14 | 30.16 | 29.81 | 29.91 | 16,292 | +0.52(+1.77%) |
| Dec 30, 2011 | 29.13 | 29.45 | 29.13 | 29.39 | 43,829 | +0.21(+0.72%) |
| Dec 29, 2011 | 28.85 | 29.18 | 28.76 | 29.18 | 45,546 | +0.43(+1.50%) |
| Dec 28, 2011 | 29.12 | 29.34 | 28.75 | 28.75 | 15,559 | -0.40(-1.37%) |
| Dec 27, 2011 | 29.06 | 29.37 | 29.03 | 29.15 | 30,634 | +0.03(+0.10%) |
| Dec 23, 2011 | 29.12 | 29.12 | 29.12 | 0 | +0.56(+1.96%) | |
| Dec 21, 2011 | 29.04 | 29.22 | 28.55 | 28.56 | 33,577 | -0.24(-0.83%) |
| Dec 20, 2011 | 27.94 | 28.80 | 27.94 | 28.80 | 46,936 | +0.78(+2.78%) |
| Dec 19, 2011 | 27.85 | 28.41 | 27.85 | 28.02 | 34,896 | +0.05(+0.18%) |
| Dec 16, 2011 | 28.24 | 28.25 | 27.97 | 27.97 | 69,150 | -0.20(-0.71%) |
| Dec 15, 2011 | 27.99 | 28.34 | 27.93 | 28.17 | 28,139 | +0.16(+0.57%) |
| Dec 14, 2011 | 28.34 | 28.56 | 28.01 | 28.01 | 64,316 | -0.62(-2.17%) |
| Dec 13, 2011 | 28.79 | 28.93 | 28.48 | 28.63 | 43,622 | -0.01(-0.03%) |
| Dec 12, 2011 | 29.29 | 29.37 | 28.64 | 28.64 | 191,296 | -0.95(-3.21%) |
| Dec 09, 2011 | 28.69 | 29.59 | 28.69 | 29.59 | 200,196 | +0.66(+2.28%) |
| Dec 08, 2011 | 29.91 | 29.91 | 28.93 | 28.93 | 30,975 | -0.73(-2.46%) |
| Dec 07, 2011 | 30.15 | 30.20 | 29.32 | 29.66 | 119,879 | -0.30(-1.00%) |
| Dec 06, 2011 | 29.93 | 30.10 | 29.92 | 29.96 | 7,272 | -0.23(-0.76%) |
| Dec 05, 2011 | 30.14 | 30.31 | 30.06 | 30.19 | 70,929 | +0.39(+1.31%) |
| Dec 02, 2011 | 29.87 | 30.15 | 29.71 | 29.80 | 21,167 | +0.29(+0.98%) |