Historical Prices
| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Mar 30, 2012 | 31.32 | 31.38 | 31.16 | 31.23 | 21,748,065 | +0.02(+0.06%) |
| Mar 29, 2012 | 31.05 | 31.21 | 30.77 | 31.21 | 28,703,218 | -0.15(-0.48%) |
| Mar 28, 2012 | 31.53 | 31.57 | 31.20 | 31.36 | 31,387,107 | -0.28(-0.88%) |
| Mar 27, 2012 | 31.79 | 31.95 | 31.60 | 31.64 | 27,903,243 | -0.15(-0.47%) |
| Mar 26, 2012 | 31.61 | 31.83 | 31.59 | 31.79 | 75,567,476 | +0.27(+0.86%) |
| Mar 23, 2012 | 31.66 | 31.72 | 31.38 | 31.52 | 77,770,324 | -0.19(-0.60%) |
| Mar 22, 2012 | 31.80 | 31.86 | 31.56 | 31.71 | 80,257,498 | -0.13(-0.41%) |
| Mar 21, 2012 | 31.85 | 31.97 | 31.83 | 31.84 | 21,085,260 | +0.05(+0.16%) |
| Mar 20, 2012 | 31.60 | 31.83 | 31.51 | 31.79 | 18,135,219 | +0.14(+0.44%) |
| Mar 19, 2012 | 31.46 | 31.74 | 31.35 | 31.65 | 19,745,982 | +0.06(+0.19%) |
| Mar 16, 2012 | 31.70 | 31.71 | 31.51 | 31.59 | 28,667,216 | -0.05(-0.16%) |
| Mar 15, 2012 | 31.41 | 31.65 | 31.35 | 31.64 | 20,003,112 | +0.19(+0.60%) |
| Mar 14, 2012 | 31.60 | 31.80 | 31.42 | 31.45 | 24,505,946 | -0.18(-0.57%) |
| Mar 13, 2012 | 31.52 | 31.64 | 31.44 | 31.63 | 23,764,571 | +0.19(+0.60%) |
| Mar 12, 2012 | 31.20 | 31.52 | 31.18 | 31.44 | 20,570,784 | +0.26(+0.83%) |
| Mar 09, 2012 | 31.00 | 31.18 | 31.00 | 31.18 | 19,202,138 | +0.18(+0.58%) |
| Mar 08, 2012 | 31.07 | 31.15 | 30.88 | 31.00 | 18,745,595 | +0.12(+0.39%) |
| Mar 07, 2012 | 30.69 | 30.97 | 30.69 | 30.88 | 16,542,349 | +0.15(+0.50%) |
| Mar 06, 2012 | 30.80 | 30.97 | 30.66 | 30.73 | 25,447,188 | -0.26(-0.86%) |
| Mar 05, 2012 | 30.85 | 31.11 | 30.75 | 30.99 | 39,273,111 | +0.12(+0.39%) |
| Mar 02, 2012 | 30.67 | 31.00 | 30.60 | 30.87 | 23,542,566 | +0.24(+0.78%) |
| Mar 01, 2012 | 30.54 | 30.66 | 30.15 | 30.63 | 21,565,315 | +0.04(+0.13%) |
| Feb 29, 2012 | 30.49 | 30.64 | 30.47 | 30.59 | 26,530,208 | +0.06(+0.20%) |
| Feb 28, 2012 | 30.41 | 30.58 | 30.36 | 30.53 | 20,297,937 | +0.17(+0.56%) |
| Feb 27, 2012 | 30.31 | 30.43 | 30.29 | 30.36 | 30,630,685 | +0.02(+0.07%) |
| Feb 24, 2012 | 30.43 | 30.49 | 30.29 | 30.34 | 18,274,830 | -0.12(-0.39%) |
| Feb 23, 2012 | 30.22 | 30.48 | 30.22 | 30.46 | 22,468,262 | +0.18(+0.59%) |
| Feb 22, 2012 | 30.25 | 30.37 | 30.20 | 30.28 | 15,731,665 | -0.06(-0.20%) |
| Feb 21, 2012 | 30.10 | 30.40 | 30.07 | 30.34 | 25,387,733 | +0.33(+1.10%) |
| Feb 17, 2012 | 30.14 | 30.15 | 30.00 | 30.01 | 31,320,574 | -0.01(-0.03%) |
| Feb 16, 2012 | 29.90 | 30.18 | 29.85 | 30.02 | 23,546,562 | +0.15(+0.50%) |
| Feb 15, 2012 | 29.98 | 30.07 | 29.77 | 29.87 | 23,027,342 | -0.20(-0.67%) |
| Feb 14, 2012 | 30.12 | 30.15 | 29.85 | 30.07 | 21,628,224 | +0.03(+0.10%) |
| Feb 13, 2012 | 29.92 | 30.12 | 29.91 | 30.04 | 23,042,645 | +0.20(+0.67%) |
| Feb 10, 2012 | 29.82 | 29.97 | 29.70 | 29.84 | 25,004,463 | -0.15(-0.50%) |
| Feb 09, 2012 | 30.06 | 30.06 | 29.88 | 29.99 | 18,073,808 | -0.03(-0.10%) |
| Feb 08, 2012 | 30.04 | 30.15 | 30.02 | 30.02 | 20,115,161 | -0.02(-0.07%) |
| Feb 07, 2012 | 29.85 | 30.15 | 29.80 | 30.04 | 24,180,534 | +0.07(+0.23%) |
| Feb 06, 2012 | 29.83 | 29.98 | 29.69 | 29.97 | 23,567,219 | +0.02(+0.07%) |
| Feb 03, 2012 | 29.97 | 30.07 | 29.86 | 29.95 | 26,296,580 | +0.16(+0.54%) |
| Feb 02, 2012 | 29.87 | 29.91 | 29.72 | 29.79 | 25,698,008 | +0.19(+0.64%) |
| Feb 01, 2012 | 29.91 | 29.93 | 29.58 | 29.60 | 30,615,735 | +0.19(+0.65%) |
| Jan 31, 2012 | 29.54 | 29.54 | 29.23 | 29.41 | 29,372,890 | +0.07(+0.24%) |
| Jan 30, 2012 | 29.12 | 29.38 | 29.02 | 29.34 | 29,414,420 | +0.18(+0.62%) |
| Jan 27, 2012 | 29.49 | 29.53 | 29.15 | 29.16 | 36,360,724 | -0.29(-0.98%) |
| Jan 26, 2012 | 29.90 | 29.98 | 29.38 | 29.45 | 56,001,431 | -0.76(-2.52%) |
| Jan 25, 2012 | 30.06 | 30.24 | 29.71 | 30.21 | 28,136,486 | +0.12(+0.40%) |
| Jan 24, 2012 | 30.20 | 30.20 | 29.92 | 30.09 | 24,340,897 | -0.31(-1.02%) |
| Jan 23, 2012 | 30.51 | 30.56 | 30.26 | 30.40 | 19,185,665 | -0.11(-0.36%) |
| Jan 20, 2012 | 30.42 | 30.52 | 30.35 | 30.51 | 26,450,328 | +0.09(+0.30%) |
| Jan 19, 2012 | 30.32 | 30.45 | 30.30 | 30.42 | 25,523,325 | +0.09(+0.30%) |
| Jan 18, 2012 | 30.32 | 30.35 | 30.15 | 30.33 | 22,015,001 | +0.08(+0.26%) |
| Jan 17, 2012 | 30.30 | 30.47 | 30.17 | 30.25 | 23,499,862 | +0.18(+0.60%) |
| Jan 13, 2012 | 30.05 | 30.10 | 29.81 | 30.07 | 22,097,161 | -0.05(-0.17%) |
| Jan 12, 2012 | 30.08 | 30.25 | 30.01 | 30.12 | 26,500,845 | +0.13(+0.43%) |
| Jan 11, 2012 | 29.73 | 30.03 | 29.73 | 29.99 | 23,700,599 | +0.23(+0.77%) |
| Jan 10, 2012 | 29.80 | 29.92 | 29.74 | 29.76 | 29,064,113 | +0.10(+0.34%) |
| Jan 09, 2012 | 29.81 | 29.85 | 29.50 | 29.66 | 26,789,173 | -0.02(-0.07%) |
| Jan 06, 2012 | 30.07 | 30.09 | 29.60 | 29.68 | 45,581,958 | -0.72(-2.37%) |
| Jan 05, 2012 | 30.49 | 30.50 | 30.18 | 30.40 | 34,456,959 | -0.03(-0.10%) |
