Historical Prices
| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 28, 2011 | 21.97 | 22.00 | 21.74 | 22.00 | 63,779 | +0.25(+1.15%) |
| Feb 25, 2011 | 21.51 | 21.78 | 21.50 | 21.75 | 59,157 | +0.33(+1.54%) |
| Feb 24, 2011 | 21.36 | 21.51 | 21.26 | 21.42 | 272,114 | -0.17(-0.79%) |
| Feb 23, 2011 | 21.75 | 21.75 | 21.35 | 21.59 | 302,849 | -0.07(-0.32%) |
| Feb 22, 2011 | 22.10 | 22.18 | 21.66 | 21.66 | 172,031 | -0.68(-3.04%) |
| Feb 18, 2011 | 22.35 | 22.35 | 22.12 | 22.34 | 68,470 | +0.08(+0.36%) |
| Feb 17, 2011 | 22.30 | 22.35 | 22.20 | 22.26 | 64,795 | -0.05(-0.22%) |
| Feb 16, 2011 | 22.34 | 22.38 | 22.23 | 22.31 | 110,812 | -0.10(-0.45%) |
| Feb 15, 2011 | 22.26 | 22.50 | 22.25 | 22.41 | 81,684 | +0.04(+0.18%) |
| Feb 14, 2011 | 22.37 | 22.52 | 22.29 | 22.37 | 45,799 | +0.08(+0.34%) |
| Feb 11, 2011 | 21.89 | 22.35 | 21.87 | 22.30 | 135,451 | +0.23(+1.04%) |
| Feb 10, 2011 | 21.95 | 22.21 | 21.91 | 22.07 | 120,464 | -0.23(-1.01%) |
| Feb 09, 2011 | 22.47 | 22.47 | 22.13 | 22.29 | 339,679 | -0.26(-1.15%) |
| Feb 08, 2011 | 22.54 | 22.59 | 22.41 | 22.55 | 96,105 | +0.04(+0.20%) |
| Feb 07, 2011 | 22.47 | 22.68 | 22.46 | 22.50 | 174,167 | +0.13(+0.60%) |
| Feb 04, 2011 | 22.43 | 22.61 | 22.23 | 22.37 | 626,189 | -0.10(-0.45%) |
| Feb 03, 2011 | 22.31 | 22.47 | 22.27 | 22.47 | 137,171 | +0.11(+0.49%) |
| Feb 02, 2011 | 22.59 | 22.79 | 22.33 | 22.36 | 289,857 | -0.45(-1.97%) |
| Feb 01, 2011 | 22.64 | 22.86 | 22.59 | 22.81 | 252,255 | +0.71(+3.21%) |
| Jan 31, 2011 | 22.17 | 22.40 | 21.91 | 22.10 | 937,506 | -0.03(-0.13%) |
| Jan 28, 2011 | 22.57 | 22.58 | 22.13 | 22.13 | 771,348 | -0.50(-2.22%) |
| Jan 27, 2011 | 22.85 | 22.96 | 22.61 | 22.63 | 114,585 | -0.30(-1.31%) |
| Jan 26, 2011 | 22.91 | 23.07 | 22.79 | 22.93 | 309,139 | -0.01(-0.04%) |
| Jan 25, 2011 | 23.21 | 23.25 | 22.88 | 22.94 | 204,212 | -0.23(-0.99%) |
| Jan 24, 2011 | 23.13 | 23.36 | 23.05 | 23.17 | 216,053 | -0.22(-0.94%) |
| Jan 21, 2011 | 23.28 | 23.39 | 23.15 | 23.39 | 262,918 | +0.23(+0.99%) |
| Jan 20, 2011 | 23.49 | 23.49 | 23.09 | 23.16 | 291,943 | -0.36(-1.53%) |
| Jan 19, 2011 | 23.77 | 23.97 | 23.48 | 23.52 | 215,756 | -0.30(-1.26%) |
| Jan 18, 2011 | 24.11 | 24.12 | 23.80 | 23.82 | 279,635 | -0.29(-1.20%) |
| Jan 14, 2011 | 24.12 | 24.18 | 24.00 | 24.11 | 151,530 | -0.04(-0.17%) |
| Jan 13, 2011 | 24.21 | 24.36 | 24.15 | 24.15 | 152,713 | +0.04(+0.17%) |
| Jan 12, 2011 | 23.81 | 24.23 | 23.81 | 24.11 | 395,763 | +0.41(+1.73%) |
| Jan 11, 2011 | 23.75 | 23.80 | 23.64 | 23.70 | 137,967 | +0.00(+0.00%) |
| Jan 10, 2011 | 24.00 | 24.00 | 23.58 | 23.70 | 115,866 | -0.32(-1.33%) |
| Jan 07, 2011 | 24.13 | 24.21 | 23.84 | 24.02 | 56,127 | -0.10(-0.41%) |
| Jan 06, 2011 | 24.16 | 24.18 | 23.93 | 24.12 | 482,382 | +0.02(+0.08%) |
| Jan 05, 2011 | 24.04 | 24.21 | 24.02 | 24.10 | 113,886 | +0.02(+0.08%) |
| Jan 04, 2011 | 24.53 | 24.53 | 23.86 | 24.08 | 138,018 | -0.46(-1.87%) |
| Jan 03, 2011 | 24.82 | 24.82 | 24.34 | 24.54 | 188,719 | +0.10(+0.41%) |
| Dec 31, 2010 | 24.33 | 24.52 | 24.17 | 24.44 | 83,593 | +0.14(+0.58%) |
| Dec 30, 2010 | 24.34 | 24.35 | 24.11 | 24.30 | 79,189 | +0.28(+1.17%) |
| Dec 29, 2010 | 23.80 | 24.07 | 23.77 | 24.02 | 66,772 | +0.34(+1.44%) |
| Dec 28, 2010 | 23.96 | 23.96 | 23.57 | 23.68 | 61,513 | -0.13(-0.55%) |
| Dec 27, 2010 | 23.91 | 23.91 | 23.70 | 23.81 | 84,948 | -0.10(-0.43%) |
| Dec 23, 2010 | 23.99 | 24.04 | 23.85 | 23.91 | 60,617 | -0.08(-0.32%) |
| Dec 22, 2010 | 24.05 | 24.06 | 23.75 | 23.99 | 100,142 | -0.06(-0.25%) |
| Dec 21, 2010 | 23.94 | 24.05 | 23.91 | 24.05 | 30,551 | +0.22(+0.92%) |
| Dec 20, 2010 | 24.13 | 24.13 | 23.81 | 23.83 | 240,603 | -0.18(-0.75%) |
| Dec 17, 2010 | 23.90 | 24.05 | 23.85 | 24.01 | 72,527 | +0.11(+0.46%) |
| Dec 16, 2010 | 24.19 | 24.19 | 23.87 | 23.90 | 116,425 | -0.14(-0.58%) |
| Dec 15, 2010 | 24.16 | 24.26 | 24.00 | 24.04 | 56,334 | -0.12(-0.50%) |
| Dec 14, 2010 | 24.23 | 24.29 | 24.13 | 24.16 | 87,955 | -0.01(-0.04%) |
| Dec 13, 2010 | 24.29 | 24.59 | 24.12 | 24.17 | 123,750 | -0.12(-0.49%) |
| Dec 10, 2010 | 24.26 | 24.33 | 24.15 | 24.29 | 232,853 | +0.10(+0.41%) |
| Dec 09, 2010 | 24.39 | 24.55 | 24.10 | 24.19 | 54,162 | +0.05(+0.21%) |
| Dec 08, 2010 | 24.20 | 24.34 | 24.03 | 24.14 | 76,407 | +0.07(+0.31%) |
| Dec 07, 2010 | 24.48 | 24.58 | 24.07 | 24.07 | 106,672 | -0.24(-1.01%) |
| Dec 06, 2010 | 24.29 | 24.33 | 24.15 | 24.31 | 108,941 | +0.15(+0.62%) |
| Dec 03, 2010 | 23.76 | 24.18 | 23.76 | 24.16 | 109,238 | +0.25(+1.05%) |
| Dec 02, 2010 | 23.85 | 23.97 | 23.55 | 23.91 | 195,108 | +0.05(+0.21%) |
