Historical Prices
| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Mar 30, 2012 | 50.57 | 50.73 | 50.33 | 50.50 | 37,850 | +0.21(+0.42%) |
| Mar 29, 2012 | 50.39 | 50.44 | 50.05 | 50.29 | 52,068 | +0.12(+0.24%) |
| Mar 28, 2012 | 50.26 | 50.39 | 49.98 | 50.17 | 37,307 | -0.16(-0.32%) |
| Mar 27, 2012 | 50.52 | 50.55 | 50.25 | 50.33 | 35,970 | -0.63(-1.24%) |
| Mar 26, 2012 | 50.81 | 51.00 | 50.72 | 50.96 | 28,300 | +0.73(+1.45%) |
| Mar 23, 2012 | 49.90 | 50.30 | 49.71 | 50.23 | 41,284 | +0.46(+0.92%) |
| Mar 22, 2012 | 49.74 | 49.83 | 49.49 | 49.77 | 32,424 | -0.41(-0.82%) |
| Mar 21, 2012 | 50.24 | 50.34 | 50.10 | 50.18 | 40,979 | -0.10(-0.20%) |
| Mar 20, 2012 | 50.23 | 50.42 | 50.14 | 50.28 | 38,578 | -0.08(-0.16%) |
| Mar 19, 2012 | 50.24 | 50.48 | 50.20 | 50.36 | 55,088 | +0.51(+1.02%) |
| Mar 16, 2012 | 49.92 | 50.11 | 49.80 | 49.85 | 83,191 | -0.07(-0.14%) |
| Mar 15, 2012 | 49.18 | 49.92 | 49.07 | 49.92 | 165,631 | +0.62(+1.26%) |
| Mar 14, 2012 | 49.32 | 49.49 | 49.14 | 49.30 | 50,629 | -0.76(-1.52%) |
| Mar 13, 2012 | 49.41 | 50.06 | 49.41 | 50.06 | 40,120 | +0.62(+1.25%) |
| Mar 12, 2012 | 49.49 | 49.58 | 49.15 | 49.44 | 213,327 | +0.17(+0.35%) |
| Mar 09, 2012 | 48.74 | 49.38 | 48.72 | 49.27 | 84,841 | -0.33(-0.67%) |
| Mar 08, 2012 | 49.38 | 49.68 | 49.16 | 49.60 | 41,274 | +0.79(+1.62%) |
| Mar 07, 2012 | 48.44 | 48.94 | 48.27 | 48.81 | 80,207 | +0.95(+1.98%) |
| Mar 06, 2012 | 48.18 | 48.32 | 47.71 | 47.86 | 31,304 | -1.03(-2.11%) |
| Mar 05, 2012 | 49.14 | 49.17 | 48.71 | 48.89 | 124,650 | -0.53(-1.07%) |
| Mar 02, 2012 | 49.80 | 49.82 | 49.38 | 49.42 | 62,459 | -0.61(-1.22%) |
| Mar 01, 2012 | 49.65 | 50.37 | 49.65 | 50.03 | 173,685 | +1.01(+2.06%) |
| Feb 29, 2012 | 49.32 | 49.40 | 48.96 | 49.02 | 70,729 | -0.04(-0.08%) |
| Feb 28, 2012 | 49.34 | 49.44 | 48.86 | 49.06 | 70,722 | -0.44(-0.89%) |
| Feb 27, 2012 | 49.15 | 49.64 | 49.10 | 49.50 | 50,452 | -0.39(-0.78%) |
| Feb 24, 2012 | 49.65 | 49.96 | 49.64 | 49.89 | 56,952 | +0.73(+1.48%) |
| Feb 23, 2012 | 48.99 | 49.23 | 48.84 | 49.16 | 101,291 | -0.16(-0.32%) |
| Feb 22, 2012 | 49.00 | 49.51 | 48.98 | 49.32 | 346,260 | +0.09(+0.18%) |
| Feb 21, 2012 | 49.38 | 49.66 | 49.18 | 49.23 | 116,959 | -0.84(-1.68%) |
| Feb 17, 2012 | 50.14 | 50.21 | 49.91 | 50.07 | 102,129 | -0.08(-0.16%) |
| Feb 16, 2012 | 49.74 | 50.27 | 49.67 | 50.15 | 42,857 | +0.51(+1.03%) |
| Feb 15, 2012 | 49.80 | 49.97 | 49.58 | 49.64 | 38,159 | -0.20(-0.40%) |
| Feb 14, 2012 | 49.80 | 49.87 | 49.57 | 49.84 | 141,984 | -0.37(-0.74%) |
| Feb 13, 2012 | 50.16 | 50.29 | 49.95 | 50.21 | 32,906 | +0.37(+0.74%) |
| Feb 10, 2012 | 50.02 | 50.11 | 49.68 | 49.84 | 90,341 | -0.24(-0.48%) |
| Feb 09, 2012 | 50.60 | 50.60 | 49.90 | 50.08 | 34,367 | -0.49(-0.97%) |
| Feb 08, 2012 | 50.65 | 50.75 | 50.31 | 50.57 | 55,926 | -0.12(-0.24%) |
| Feb 07, 2012 | 49.94 | 50.79 | 49.91 | 50.69 | 244,239 | -0.44(-0.86%) |
| Feb 06, 2012 | 50.49 | 51.13 | 50.49 | 51.13 | 177,701 | +0.43(+0.85%) |
| Feb 03, 2012 | 50.46 | 50.83 | 50.36 | 50.70 | 136,439 | +0.10(+0.20%) |
| Feb 02, 2012 | 50.60 | 50.80 | 50.37 | 50.60 | 104,301 | +2.13(+4.39%) |
| Feb 01, 2012 | 48.36 | 48.74 | 48.26 | 48.47 | 216,785 | -0.15(-0.31%) |
| Jan 31, 2012 | 48.82 | 48.92 | 48.33 | 48.62 | 318,950 | +0.30(+0.62%) |
| Jan 30, 2012 | 47.96 | 48.39 | 47.92 | 48.32 | 501,784 | +0.06(+0.12%) |
| Jan 27, 2012 | 47.85 | 48.36 | 47.85 | 48.26 | 230,955 | +0.02(+0.04%) |
| Jan 26, 2012 | 47.77 | 48.27 | 47.64 | 48.24 | 148,367 | +0.61(+1.28%) |
| Jan 25, 2012 | 47.39 | 47.70 | 47.01 | 47.63 | 127,350 | +0.35(+0.74%) |
| Jan 24, 2012 | 47.27 | 47.48 | 46.99 | 47.28 | 62,323 | -0.31(-0.65%) |
| Jan 23, 2012 | 47.11 | 47.87 | 47.11 | 47.59 | 44,846 | +0.19(+0.40%) |
| Jan 20, 2012 | 47.58 | 47.58 | 47.14 | 47.40 | 59,543 | +1.18(+2.55%) |
| Jan 19, 2012 | 45.81 | 46.43 | 45.64 | 46.22 | 75,594 | +0.15(+0.33%) |
| Jan 18, 2012 | 45.77 | 46.09 | 45.70 | 46.07 | 35,171 | +0.50(+1.10%) |
| Jan 17, 2012 | 45.74 | 45.83 | 45.54 | 45.57 | 58,456 | -0.28(-0.61%) |
| Jan 13, 2012 | 45.83 | 45.93 | 45.37 | 45.85 | 31,227 | -0.03(-0.07%) |
| Jan 12, 2012 | 46.13 | 46.38 | 45.60 | 45.88 | 94,597 | -0.63(-1.35%) |
| Jan 11, 2012 | 46.26 | 46.53 | 46.09 | 46.51 | 54,741 | +0.10(+0.22%) |
| Jan 10, 2012 | 46.53 | 46.69 | 46.33 | 46.41 | 138,139 | -0.14(-0.30%) |
| Jan 09, 2012 | 46.74 | 46.81 | 46.14 | 46.55 | 79,895 | -0.31(-0.66%) |
| Jan 06, 2012 | 46.89 | 47.00 | 46.57 | 46.86 | 44,058 | -0.34(-0.72%) |
| Jan 05, 2012 | 47.09 | 47.25 | 46.83 | 47.20 | 125,501 | -1.57(-3.22%) |
