| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 29, 2008 | 22.49 | 22.64 | 22.15 | 22.15 | 4,493,423 | -0.46(-2.03%) |
| Feb 28, 2008 | 22.88 | 23.03 | 22.61 | 22.61 | 2,704,926 | -0.29(-1.27%) |
| Feb 27, 2008 | 22.82 | 23.05 | 22.55 | 22.90 | 2,521,910 | +0.02(+0.09%) |
| Feb 26, 2008 | 22.53 | 22.96 | 22.38 | 22.88 | 3,099,368 | +0.26(+1.15%) |
| Feb 25, 2008 | 22.41 | 22.69 | 22.31 | 22.62 | 2,478,559 | +0.13(+0.58%) |
| Feb 22, 2008 | 22.50 | 22.50 | 22.03 | 22.49 | 3,003,577 | -0.02(-0.09%) |
| Feb 21, 2008 | 22.77 | 22.82 | 22.24 | 22.51 | 3,446,757 | -0.04(-0.18%) |
| Feb 20, 2008 | 22.38 | 22.61 | 22.12 | 22.55 | 5,601,294 | +0.04(+0.18%) |
| Feb 19, 2008 | 22.76 | 22.99 | 22.24 | 22.51 | 2,312,125 | -0.21(-0.92%) |
| Feb 18, 2008 | 22.56 | 22.82 | 22.56 | 22.72 | 0 | +0.00(+0.00%) |
| Feb 15, 2008 | 22.56 | 22.82 | 22.56 | 22.72 | 2,312,305 | -0.08(-0.35%) |
| Feb 14, 2008 | 23.42 | 23.42 | 22.80 | 22.80 | 3,644,913 | -0.46(-1.98%) |
| Feb 13, 2008 | 22.97 | 23.35 | 22.61 | 23.26 | 5,757,166 | +0.52(+2.29%) |
| Feb 12, 2008 | 22.98 | 22.98 | 22.56 | 22.74 | 4,784,045 | +0.05(+0.22%) |
| Feb 11, 2008 | 22.42 | 22.75 | 22.38 | 22.69 | 3,191,856 | +0.39(+1.75%) |
| Feb 08, 2008 | 22.33 | 22.53 | 22.18 | 22.30 | 4,781,780 | -0.17(-0.76%) |
| Feb 07, 2008 | 22.00 | 22.52 | 21.86 | 22.47 | 4,758,392 | +0.14(+0.63%) |
| Feb 06, 2008 | 22.61 | 22.79 | 22.21 | 22.33 | 6,159,442 | -0.25(-1.11%) |
| Feb 05, 2008 | 22.92 | 22.99 | 22.51 | 22.58 | 4,144,317 | -0.58(-2.50%) |
| Feb 04, 2008 | 23.69 | 23.69 | 23.16 | 23.16 | 1,959,905 | -0.49(-2.07%) |
| Feb 01, 2008 | 23.58 | 23.66 | 23.23 | 23.65 | 3,134,877 | +0.40(+1.72%) |
| Jan 31, 2008 | 22.60 | 23.55 | 22.60 | 23.25 | 6,044,248 | +0.29(+1.26%) |
| Jan 30, 2008 | 22.95 | 23.50 | 22.95 | 22.96 | 5,000,848 | -0.18(-0.78%) |
| Jan 29, 2008 | 23.28 | 23.28 | 22.82 | 23.14 | 4,257,578 | +0.20(+0.87%) |
| Jan 28, 2008 | 22.75 | 22.99 | 22.57 | 22.94 | 2,891,295 | +0.10(+0.44%) |
| Jan 25, 2008 | 23.76 | 23.76 | 22.76 | 22.84 | 3,913,577 | -0.36(-1.55%) |
| Jan 24, 2008 | 23.02 | 23.20 | 22.67 | 23.20 | 4,135,764 | +0.33(+1.44%) |
| Jan 23, 2008 | 22.00 | 22.87 | 21.31 | 22.87 | 8,362,600 | +0.20(+0.88%) |
| Jan 22, 2008 | 20.50 | 22.88 | 19.76 | 22.67 | 8,614,444 | -0.43(-1.86%) |
| Jan 21, 2008 | 23.52 | 23.78 | 23.10 | 23.10 | 0 | +0.00(+0.00%) |
| Jan 18, 2008 | 23.52 | 23.78 | 23.10 | 23.10 | 4,556,039 | -0.41(-1.74%) |
| Jan 17, 2008 | 23.82 | 24.03 | 23.31 | 23.51 | 5,623,499 | -0.21(-0.89%) |
| Jan 16, 2008 | 23.99 | 24.17 | 23.57 | 23.72 | 6,687,256 | -0.53(-2.19%) |
| Jan 15, 2008 | 24.58 | 24.63 | 24.17 | 24.25 | 3,663,086 | -0.52(-2.10%) |
| Jan 14, 2008 | 24.60 | 24.85 | 24.55 | 24.77 | 4,135,494 | +0.49(+2.02%) |
| Jan 11, 2008 | 24.61 | 24.62 | 24.08 | 24.28 | 3,284,288 | -0.36(-1.46%) |
| Jan 10, 2008 | 24.36 | 24.92 | 24.17 | 24.64 | 6,524,267 | +0.04(+0.16%) |
| Jan 09, 2008 | 24.12 | 24.64 | 24.05 | 24.60 | 5,315,033 | +0.34(+1.40%) |
| Jan 08, 2008 | 25.03 | 25.25 | 24.20 | 24.26 | 5,294,832 | -0.66(-2.65%) |
| Jan 07, 2008 | 24.96 | 25.18 | 24.65 | 24.92 | 5,599,136 | -0.22(-0.88%) |
| Jan 04, 2008 | 25.71 | 25.75 | 25.00 | 25.14 | 3,892,023 | -1.02(-3.90%) |
| Jan 03, 2008 | 26.29 | 26.29 | 25.94 | 26.16 | 2,010,973 | +0.04(+0.15%) |
| Jan 02, 2008 | 26.65 | 26.72 | 25.97 | 26.12 | 7,460,507 | -0.54(-2.03%) |
| Jan 01, 2008 | 26.99 | 26.99 | 26.55 | 26.66 | 0 | +0.00(+0.00%) |
| Dec 31, 2007 | 26.99 | 26.99 | 26.55 | 26.66 | 1,786,624 | -0.20(-0.74%) |
| Dec 28, 2007 | 27.41 | 27.41 | 26.79 | 26.86 | 1,062,664 | -0.13(-0.48%) |
| Dec 27, 2007 | 27.21 | 27.37 | 26.89 | 26.99 | 1,683,677 | -0.38(-1.39%) |
| Dec 26, 2007 | 27.20 | 27.43 | 27.08 | 27.37 | 2,401,210 | +0.15(+0.55%) |
| Dec 24, 2007 | 27.27 | 27.27 | 27.07 | 27.22 | 837,004 | +0.20(+0.74%) |
| Dec 21, 2007 | 26.90 | 27.05 | 26.85 | 27.02 | 3,048,982 | +0.22(+0.82%) |
| Dec 20, 2007 | 26.79 | 26.80 | 26.47 | 26.80 | 1,928,017 | +0.38(+1.44%) |
| Dec 19, 2007 | 26.46 | 26.47 | 26.17 | 26.42 | 1,908,296 | +0.17(+0.65%) |
| Dec 18, 2007 | 26.50 | 26.50 | 26.02 | 26.25 | 3,387,313 | +0.00(+0.00%) |
| Dec 17, 2007 | 26.53 | 26.70 | 26.17 | 26.25 | 1,958,315 | -0.51(-1.91%) |
| Dec 14, 2007 | 27.03 | 27.06 | 26.72 | 26.76 | 2,107,898 | -0.17(-0.63%) |
| Dec 13, 2007 | 27.05 | 27.10 | 26.82 | 26.93 | 2,518,757 | -0.14(-0.52%) |
| Dec 12, 2007 | 27.30 | 27.35 | 26.66 | 27.07 | 3,812,719 | +0.46(+1.73%) |
| Dec 11, 2007 | 27.36 | 27.63 | 26.61 | 26.61 | 3,666,999 | -0.42(-1.55%) |
| Dec 10, 2007 | 27.19 | 27.19 | 26.89 | 27.03 | 2,524,647 | +0.13(+0.48%) |
| Dec 07, 2007 | 27.13 | 27.13 | 26.82 | 26.90 | 2,797,225 | +0.03(+0.11%) |
| Dec 06, 2007 | 26.79 | 26.96 | 26.55 | 26.87 | 2,271,902 | +0.27(+1.02%) |
| Dec 05, 2007 | 26.44 | 26.65 | 26.26 | 26.60 | 3,866,132 | +0.60(+2.31%) |
| Dec 04, 2007 | 26.09 | 26.22 | 25.80 | 26.00 | 1,971,400 | -0.10(-0.38%) |