| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 29, 2008 | 56.51 | 56.94 | 55.59 | 55.93 | 2,529,681 | -1.10(-1.93%) |
| Feb 28, 2008 | 57.30 | 57.52 | 56.44 | 57.03 | 1,360,797 | -0.65(-1.13%) |
| Feb 27, 2008 | 57.68 | 58.01 | 57.29 | 57.68 | 1,846,814 | -0.31(-0.53%) |
| Feb 26, 2008 | 57.77 | 58.00 | 57.51 | 57.99 | 1,837,111 | +0.05(+0.09%) |
| Feb 25, 2008 | 56.44 | 57.99 | 56.39 | 57.94 | 2,354,059 | +1.77(+3.15%) |
| Feb 22, 2008 | 56.50 | 56.60 | 55.34 | 56.17 | 2,300,342 | -0.08(-0.14%) |
| Feb 21, 2008 | 57.35 | 57.50 | 56.18 | 56.25 | 1,368,849 | -0.90(-1.57%) |
| Feb 20, 2008 | 56.75 | 57.35 | 56.23 | 57.15 | 1,957,317 | +0.34(+0.60%) |
| Feb 19, 2008 | 57.29 | 57.82 | 56.58 | 56.81 | 1,907,680 | -0.41(-0.72%) |
| Feb 18, 2008 | 56.58 | 57.34 | 56.08 | 57.22 | 0 | +0.00(+0.00%) |
| Feb 15, 2008 | 56.58 | 57.34 | 56.08 | 57.22 | 1,939,714 | +0.58(+1.02%) |
| Feb 14, 2008 | 57.37 | 57.50 | 56.61 | 56.64 | 2,110,230 | -0.52(-0.91%) |
| Feb 13, 2008 | 57.16 | 57.37 | 56.33 | 57.16 | 2,833,844 | +0.39(+0.69%) |
| Feb 12, 2008 | 56.31 | 57.07 | 55.60 | 56.77 | 2,545,712 | +0.86(+1.54%) |
| Feb 11, 2008 | 55.51 | 56.21 | 55.12 | 55.91 | 2,199,753 | +0.49(+0.88%) |
| Feb 08, 2008 | 55.12 | 56.55 | 54.95 | 55.42 | 4,183,057 | -0.07(-0.13%) |
| Feb 07, 2008 | 53.75 | 56.00 | 53.75 | 55.49 | 4,679,400 | +1.44(+2.66%) |
| Feb 06, 2008 | 54.24 | 56.26 | 53.71 | 54.05 | 8,935,099 | +3.81(+7.58%) |
| Feb 05, 2008 | 50.68 | 50.76 | 49.37 | 50.24 | 4,327,320 | -0.86(-1.68%) |
| Feb 04, 2008 | 52.39 | 52.56 | 50.71 | 51.10 | 4,364,374 | -1.28(-2.44%) |
| Feb 01, 2008 | 51.41 | 52.50 | 50.78 | 52.38 | 3,498,841 | +0.89(+1.73%) |
| Jan 31, 2008 | 50.41 | 51.74 | 50.00 | 51.49 | 3,672,205 | +0.43(+0.84%) |
| Jan 30, 2008 | 52.15 | 52.26 | 50.96 | 51.06 | 3,866,841 | -1.55(-2.95%) |
| Jan 29, 2008 | 51.70 | 52.74 | 51.04 | 52.61 | 2,822,924 | +1.22(+2.37%) |
| Jan 28, 2008 | 51.76 | 51.76 | 50.86 | 51.39 | 2,497,185 | -0.22(-0.43%) |
| Jan 25, 2008 | 50.75 | 52.48 | 50.64 | 51.61 | 4,895,676 | +1.55(+3.10%) |
| Jan 24, 2008 | 50.57 | 50.72 | 49.78 | 50.06 | 3,525,400 | -0.29(-0.58%) |
| Jan 23, 2008 | 49.47 | 50.40 | 49.13 | 50.35 | 12,740,418 | -0.24(-0.47%) |
| Jan 22, 2008 | 48.61 | 51.68 | 46.63 | 50.59 | 11,023,888 | -1.43(-2.75%) |
| Jan 21, 2008 | 54.26 | 54.26 | 51.60 | 52.02 | 0 | +0.00(+0.00%) |
| Jan 18, 2008 | 54.26 | 54.26 | 51.60 | 52.02 | 6,419,041 | -1.77(-3.29%) |
| Jan 17, 2008 | 54.80 | 54.87 | 52.51 | 53.79 | 5,466,676 | -1.00(-1.83%) |
| Jan 16, 2008 | 54.59 | 55.37 | 54.22 | 54.79 | 2,514,370 | +0.04(+0.07%) |
| Jan 15, 2008 | 55.41 | 55.74 | 54.26 | 54.75 | 3,559,553 | -0.88(-1.58%) |
| Jan 14, 2008 | 55.50 | 55.96 | 54.89 | 55.63 | 2,071,100 | +0.64(+1.16%) |
| Jan 11, 2008 | 55.38 | 55.86 | 54.90 | 54.99 | 2,142,976 | -1.02(-1.82%) |
| Jan 10, 2008 | 55.28 | 56.41 | 54.41 | 56.01 | 4,331,179 | +0.54(+0.97%) |
| Jan 09, 2008 | 56.96 | 57.17 | 54.49 | 55.47 | 4,936,994 | -1.41(-2.48%) |
| Jan 08, 2008 | 57.09 | 57.81 | 56.41 | 56.88 | 3,195,250 | -0.04(-0.07%) |
| Jan 07, 2008 | 56.17 | 57.00 | 56.09 | 56.92 | 2,206,750 | +0.98(+1.75%) |
| Jan 04, 2008 | 56.63 | 57.00 | 55.94 | 55.94 | 2,019,204 | -1.07(-1.88%) |
| Jan 03, 2008 | 56.09 | 57.43 | 55.88 | 57.01 | 2,141,602 | +1.21(+2.17%) |
| Jan 02, 2008 | 57.68 | 57.75 | 55.53 | 55.80 | 3,289,048 | -1.88(-3.26%) |
| Jan 01, 2008 | 58.50 | 58.50 | 57.58 | 57.68 | 0 | +0.00(+0.00%) |
| Dec 31, 2007 | 58.50 | 58.50 | 57.58 | 57.68 | 1,379,741 | -0.51(-0.88%) |
| Dec 28, 2007 | 58.47 | 58.48 | 57.73 | 58.19 | 1,031,953 | +0.40(+0.69%) |
| Dec 27, 2007 | 58.89 | 58.89 | 57.76 | 57.79 | 1,136,205 | -1.34(-2.27%) |
| Dec 26, 2007 | 58.04 | 59.21 | 58.04 | 59.13 | 1,049,755 | +0.95(+1.63%) |
| Dec 24, 2007 | 58.50 | 58.81 | 58.04 | 58.18 | 782,425 | -0.28(-0.48%) |
| Dec 21, 2007 | 57.92 | 58.64 | 57.05 | 58.46 | 2,997,156 | +1.41(+2.47%) |
| Dec 20, 2007 | 57.17 | 57.20 | 56.40 | 57.05 | 3,158,460 | +0.18(+0.32%) |
| Dec 19, 2007 | 56.82 | 57.14 | 56.27 | 56.87 | 4,171,940 | +0.17(+0.30%) |
| Dec 18, 2007 | 56.84 | 57.25 | 56.42 | 56.70 | 2,232,241 | +0.16(+0.28%) |
| Dec 17, 2007 | 57.03 | 57.33 | 56.54 | 56.54 | 2,169,400 | -0.74(-1.29%) |
| Dec 14, 2007 | 56.80 | 57.65 | 56.71 | 57.28 | 2,438,314 | -0.03(-0.05%) |
| Dec 13, 2007 | 57.04 | 57.39 | 56.45 | 57.31 | 2,360,473 | -0.08(-0.14%) |
| Dec 12, 2007 | 58.60 | 58.60 | 56.72 | 57.39 | 3,312,482 | -0.04(-0.07%) |
| Dec 11, 2007 | 58.68 | 59.25 | 57.39 | 57.43 | 2,219,011 | -1.28(-2.18%) |
| Dec 10, 2007 | 58.15 | 58.81 | 57.81 | 58.71 | 1,604,732 | +0.84(+1.45%) |
| Dec 07, 2007 | 58.30 | 58.49 | 57.55 | 57.87 | 2,048,159 | -0.21(-0.36%) |
| Dec 06, 2007 | 58.26 | 58.26 | 57.57 | 58.08 | 2,546,635 | +0.19(+0.33%) |
| Dec 05, 2007 | 57.69 | 58.51 | 56.95 | 57.89 | 2,264,475 | +0.62(+1.08%) |
| Dec 04, 2007 | 57.20 | 57.56 | 56.74 | 57.27 | 2,080,200 | -0.04(-0.07%) |