| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 29, 2008 | 36.57 | 36.59 | 36.01 | 36.10 | 1,079,700 | -0.60(-1.63%) |
| Feb 28, 2008 | 36.43 | 36.71 | 36.20 | 36.70 | 1,536,000 | +0.35(+0.96%) |
| Feb 27, 2008 | 35.78 | 36.89 | 35.66 | 36.35 | 1,344,400 | -0.05(-0.14%) |
| Feb 26, 2008 | 35.57 | 36.41 | 35.20 | 36.40 | 1,029,300 | +0.76(+2.13%) |
| Feb 25, 2008 | 35.25 | 35.65 | 34.99 | 35.64 | 923,900 | +0.34(+0.96%) |
| Feb 22, 2008 | 34.99 | 35.35 | 34.55 | 35.30 | 555,500 | +0.48(+1.38%) |
| Feb 21, 2008 | 34.95 | 35.17 | 34.60 | 34.82 | 565,600 | -0.19(-0.54%) |
| Feb 20, 2008 | 34.54 | 35.05 | 34.49 | 35.01 | 706,500 | +0.18(+0.52%) |
| Feb 19, 2008 | 34.48 | 34.87 | 34.40 | 34.83 | 919,800 | +1.10(+3.26%) |
| Feb 18, 2008 | 33.94 | 34.15 | 33.51 | 33.73 | 0 | +0.00(+0.00%) |
| Feb 15, 2008 | 33.94 | 34.15 | 33.51 | 33.73 | 995,300 | -0.16(-0.47%) |
| Feb 14, 2008 | 33.65 | 33.89 | 33.46 | 33.89 | 1,015,600 | +0.67(+2.02%) |
| Feb 13, 2008 | 32.86 | 33.22 | 32.67 | 33.22 | 406,600 | +0.27(+0.82%) |
| Feb 12, 2008 | 33.38 | 33.50 | 32.76 | 32.95 | 760,000 | -0.68(-2.02%) |
| Feb 11, 2008 | 33.29 | 33.63 | 33.08 | 33.63 | 1,236,600 | +0.22(+0.66%) |
| Feb 08, 2008 | 32.72 | 33.41 | 32.54 | 33.41 | 1,069,200 | +0.97(+2.99%) |
| Feb 07, 2008 | 31.94 | 32.44 | 31.94 | 32.44 | 859,400 | +0.39(+1.22%) |
| Feb 06, 2008 | 32.34 | 32.54 | 32.00 | 32.05 | 867,300 | -0.15(-0.47%) |
| Feb 05, 2008 | 32.19 | 32.32 | 31.92 | 32.20 | 787,424 | -0.27(-0.83%) |
| Feb 04, 2008 | 32.08 | 32.51 | 32.00 | 32.47 | 692,400 | +0.56(+1.75%) |
| Feb 01, 2008 | 32.55 | 32.55 | 31.87 | 31.91 | 642,600 | -0.57(-1.75%) |
| Jan 31, 2008 | 32.22 | 32.64 | 31.92 | 32.48 | 692,200 | +0.16(+0.50%) |
| Jan 30, 2008 | 32.56 | 32.56 | 32.14 | 32.32 | 564,500 | -0.28(-0.86%) |
| Jan 29, 2008 | 32.51 | 32.60 | 32.26 | 32.60 | 492,000 | +0.30(+0.93%) |
| Jan 28, 2008 | 31.82 | 32.34 | 31.61 | 32.30 | 568,500 | +0.12(+0.37%) |
| Jan 25, 2008 | 31.99 | 32.60 | 31.72 | 32.18 | 1,189,100 | +0.70(+2.22%) |
| Jan 24, 2008 | 30.84 | 31.51 | 30.84 | 31.48 | 709,700 | +0.76(+2.47%) |
| Jan 23, 2008 | 31.07 | 31.19 | 30.54 | 30.72 | 695,900 | -0.59(-1.88%) |
| Jan 22, 2008 | 30.50 | 31.49 | 30.33 | 31.31 | 785,500 | -0.11(-0.35%) |
| Jan 21, 2008 | 31.49 | 31.64 | 31.35 | 31.42 | 0 | +0.00(+0.00%) |
| Jan 18, 2008 | 31.49 | 31.64 | 31.35 | 31.42 | 458,100 | +0.12(+0.38%) |
| Jan 17, 2008 | 31.90 | 31.95 | 31.30 | 31.30 | 689,800 | -0.41(-1.29%) |
| Jan 16, 2008 | 31.82 | 31.85 | 31.20 | 31.71 | 1,044,300 | -0.30(-0.94%) |
| Jan 15, 2008 | 32.17 | 32.24 | 31.77 | 32.01 | 472,800 | -0.40(-1.23%) |
| Jan 14, 2008 | 32.40 | 32.50 | 32.19 | 32.41 | 835,800 | +0.40(+1.25%) |
| Jan 11, 2008 | 31.66 | 32.11 | 31.40 | 32.01 | 667,600 | +0.29(+0.91%) |
| Jan 10, 2008 | 31.65 | 31.76 | 31.40 | 31.72 | 452,800 | -0.15(-0.47%) |
| Jan 09, 2008 | 32.33 | 32.37 | 31.80 | 31.87 | 749,600 | -0.32(-0.99%) |
| Jan 08, 2008 | 32.30 | 32.49 | 32.09 | 32.19 | 429,000 | +0.29(+0.91%) |
| Jan 07, 2008 | 32.23 | 32.44 | 31.66 | 31.90 | 664,300 | -0.59(-1.82%) |
| Jan 04, 2008 | 32.57 | 32.57 | 32.08 | 32.49 | 581,200 | -0.19(-0.58%) |
| Jan 03, 2008 | 32.75 | 32.79 | 32.41 | 32.68 | 1,108,400 | +0.25(+0.77%) |
| Jan 02, 2008 | 32.06 | 32.45 | 31.94 | 32.43 | 718,900 | +0.87(+2.76%) |
| Jan 01, 2008 | 31.64 | 31.64 | 31.24 | 31.56 | 244,000 | +0.00(+0.00%) |
| Dec 31, 2007 | 31.64 | 31.64 | 31.24 | 31.56 | 244,000 | +0.04(+0.13%) |
| Dec 28, 2007 | 31.64 | 31.88 | 31.42 | 31.52 | 264,300 | -0.10(-0.32%) |
| Dec 27, 2007 | 31.40 | 31.73 | 31.40 | 31.62 | 880,700 | +0.11(+0.35%) |
| Dec 26, 2007 | 31.25 | 31.56 | 31.15 | 31.51 | 188,500 | +0.37(+1.19%) |
| Dec 24, 2007 | 30.22 | 31.14 | 30.06 | 31.14 | 472,000 | +0.23(+0.74%) |
| Dec 21, 2007 | 30.59 | 30.99 | 30.56 | 30.91 | 280,300 | +0.36(+1.18%) |
| Dec 20, 2007 | 30.60 | 30.70 | 30.41 | 30.55 | 334,900 | -0.13(-0.42%) |
| Dec 19, 2007 | 30.47 | 30.84 | 30.42 | 30.68 | 269,600 | +0.29(+0.95%) |
| Dec 18, 2007 | 30.59 | 30.88 | 30.11 | 30.39 | 311,147 | -0.13(-0.43%) |
| Dec 17, 2007 | 31.55 | 31.55 | 30.24 | 30.52 | 293,930 | -0.91(-2.90%) |
| Dec 14, 2007 | 31.57 | 31.60 | 31.29 | 31.43 | 294,300 | -0.22(-0.70%) |
| Dec 13, 2007 | 32.07 | 32.07 | 31.47 | 31.65 | 274,900 | -0.34(-1.06%) |
| Dec 12, 2007 | 31.50 | 32.18 | 31.25 | 31.99 | 444,500 | +0.85(+2.73%) |
| Dec 11, 2007 | 31.00 | 31.28 | 30.90 | 31.14 | 275,100 | +0.27(+0.87%) |
| Dec 10, 2007 | 31.03 | 31.19 | 30.69 | 30.87 | 539,460 | -0.02(-0.06%) |
| Dec 07, 2007 | 31.70 | 31.70 | 30.51 | 30.89 | 401,059 | -0.10(-0.32%) |
| Dec 06, 2007 | 30.21 | 30.99 | 30.21 | 30.99 | 293,200 | +0.55(+1.81%) |
| Dec 05, 2007 | 30.86 | 30.94 | 30.31 | 30.44 | 437,784 | -0.23(-0.75%) |
| Dec 04, 2007 | 30.49 | 30.67 | 30.34 | 30.67 | 494,138 | +0.14(+0.46%) |