| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 28, 2011 | 32.66 | 32.90 | 32.48 | 32.70 | 537,955 | +0.58(+1.81%) |
| Feb 25, 2011 | 31.97 | 32.18 | 31.89 | 32.12 | 517,018 | +0.39(+1.23%) |
| Feb 24, 2011 | 31.73 | 31.82 | 31.50 | 31.73 | 813,826 | +0.23(+0.73%) |
| Feb 23, 2011 | 31.73 | 31.82 | 31.45 | 31.50 | 935,670 | -0.12(-0.38%) |
| Feb 22, 2011 | 32.00 | 32.05 | 31.57 | 31.62 | 571,258 | -0.93(-2.86%) |
| Feb 18, 2011 | 32.35 | 32.61 | 32.32 | 32.55 | 441,056 | +0.66(+2.07%) |
| Feb 17, 2011 | 31.87 | 31.99 | 31.73 | 31.89 | 387,874 | -0.01(-0.03%) |
| Feb 16, 2011 | 31.73 | 32.02 | 31.70 | 31.90 | 524,729 | +0.41(+1.30%) |
| Feb 15, 2011 | 31.52 | 31.62 | 31.38 | 31.49 | 354,557 | -0.09(-0.28%) |
| Feb 14, 2011 | 31.42 | 31.60 | 31.28 | 31.58 | 364,018 | -0.27(-0.85%) |
| Feb 11, 2011 | 31.57 | 31.98 | 31.57 | 31.85 | 442,735 | +0.01(+0.03%) |
| Feb 10, 2011 | 31.68 | 31.88 | 31.58 | 31.84 | 573,494 | -0.04(-0.13%) |
| Feb 09, 2011 | 31.77 | 32.01 | 31.69 | 31.88 | 686,234 | +0.13(+0.41%) |
| Feb 08, 2011 | 31.51 | 31.77 | 31.46 | 31.75 | 474,399 | +0.46(+1.47%) |
| Feb 07, 2011 | 31.01 | 31.29 | 30.95 | 31.29 | 879,427 | +0.25(+0.81%) |
| Feb 04, 2011 | 30.73 | 31.08 | 30.61 | 31.04 | 1,578,235 | +0.05(+0.16%) |
| Feb 03, 2011 | 30.65 | 30.99 | 30.54 | 30.99 | 1,244,796 | -0.09(-0.29%) |
| Feb 02, 2011 | 30.87 | 31.08 | 30.72 | 31.08 | 1,180,010 | -0.51(-1.61%) |
| Feb 01, 2011 | 31.18 | 31.59 | 31.09 | 31.59 | 1,237,976 | +0.36(+1.15%) |
| Jan 31, 2011 | 31.41 | 31.45 | 31.16 | 31.23 | 713,555 | +0.05(+0.16%) |
| Jan 28, 2011 | 31.65 | 31.65 | 31.06 | 31.18 | 2,676,999 | -0.66(-2.07%) |
| Jan 27, 2011 | 31.84 | 32.08 | 31.78 | 31.84 | 1,498,519 | +0.21(+0.66%) |
| Jan 26, 2011 | 31.93 | 31.94 | 31.61 | 31.63 | 1,994,685 | -0.38(-1.19%) |
| Jan 25, 2011 | 31.43 | 32.03 | 31.39 | 32.01 | 980,279 | +0.37(+1.17%) |
| Jan 24, 2011 | 31.18 | 31.83 | 31.16 | 31.64 | 1,928,375 | -1.80(-5.38%) |
| Jan 21, 2011 | 33.38 | 33.67 | 33.17 | 33.44 | 815,179 | +0.25(+0.75%) |
| Jan 20, 2011 | 33.14 | 33.29 | 32.79 | 33.19 | 1,068,679 | +0.26(+0.79%) |
| Jan 19, 2011 | 33.24 | 33.28 | 32.86 | 32.93 | 1,075,107 | -0.88(-2.60%) |
| Jan 18, 2011 | 33.89 | 34.08 | 33.60 | 33.81 | 1,347,151 | +0.59(+1.78%) |
| Jan 14, 2011 | 32.84 | 33.30 | 32.84 | 33.22 | 1,025,573 | +0.35(+1.06%) |
| Jan 13, 2011 | 33.05 | 33.09 | 32.75 | 32.87 | 1,049,304 | +0.91(+2.85%) |
| Jan 12, 2011 | 31.65 | 31.99 | 31.49 | 31.96 | 863,381 | +0.41(+1.30%) |
| Jan 11, 2011 | 31.51 | 31.72 | 31.35 | 31.55 | 1,022,402 | +0.64(+2.07%) |
| Jan 10, 2011 | 30.72 | 30.96 | 30.54 | 30.91 | 712,947 | -0.07(-0.23%) |
| Jan 07, 2011 | 31.11 | 31.23 | 30.75 | 30.98 | 2,337,181 | +1.17(+3.92%) |
| Jan 06, 2011 | 30.22 | 30.30 | 29.63 | 29.81 | 2,543,106 | -0.95(-3.09%) |
| Jan 05, 2011 | 30.55 | 30.78 | 30.28 | 30.76 | 895,737 | -0.24(-0.77%) |
| Jan 04, 2011 | 31.44 | 31.45 | 30.87 | 31.00 | 697,392 | -0.35(-1.12%) |
| Jan 03, 2011 | 31.38 | 31.53 | 31.29 | 31.35 | 896,826 | +0.65(+2.12%) |
| Dec 31, 2010 | 30.50 | 30.92 | 30.49 | 30.70 | 496,083 | +0.30(+0.99%) |
| Dec 30, 2010 | 30.51 | 30.54 | 30.29 | 30.40 | 266,069 | +0.10(+0.33%) |
| Dec 29, 2010 | 30.33 | 30.41 | 30.21 | 30.30 | 327,174 | +0.20(+0.66%) |
| Dec 28, 2010 | 30.35 | 30.36 | 30.00 | 30.10 | 310,573 | -0.02(-0.07%) |
| Dec 27, 2010 | 29.93 | 30.12 | 29.88 | 30.12 | 284,622 | +0.20(+0.67%) |
| Dec 23, 2010 | 29.90 | 30.00 | 29.77 | 29.92 | 420,126 | -0.09(-0.30%) |
| Dec 22, 2010 | 30.04 | 30.06 | 29.87 | 30.01 | 577,102 | +0.35(+1.18%) |
| Dec 21, 2010 | 29.91 | 29.92 | 29.66 | 29.66 | 835,510 | +0.07(+0.24%) |
| Dec 20, 2010 | 29.89 | 29.92 | 29.56 | 29.59 | 476,814 | +0.02(+0.07%) |
| Dec 17, 2010 | 29.77 | 29.84 | 29.48 | 29.57 | 956,067 | -0.33(-1.10%) |
| Dec 16, 2010 | 29.79 | 29.94 | 29.62 | 29.90 | 1,509,860 | +0.21(+0.71%) |
| Dec 15, 2010 | 30.09 | 30.26 | 29.69 | 29.69 | 737,669 | -0.38(-1.26%) |
| Dec 14, 2010 | 30.23 | 30.30 | 30.01 | 30.07 | 958,348 | -0.04(-0.13%) |
| Dec 13, 2010 | 30.28 | 30.41 | 30.10 | 30.11 | 1,406,260 | +0.23(+0.77%) |
| Dec 10, 2010 | 29.93 | 29.98 | 29.74 | 29.88 | 1,501,781 | +0.38(+1.29%) |
| Dec 09, 2010 | 29.44 | 29.50 | 29.27 | 29.50 | 1,382,278 | +0.10(+0.34%) |
| Dec 08, 2010 | 29.27 | 29.52 | 29.21 | 29.40 | 579,462 | -0.09(-0.31%) |
| Dec 07, 2010 | 30.10 | 30.12 | 29.48 | 29.49 | 1,037,887 | -0.07(-0.24%) |
| Dec 06, 2010 | 29.73 | 29.88 | 29.46 | 29.56 | 1,297,394 | -0.69(-2.28%) |
| Dec 03, 2010 | 29.80 | 30.35 | 29.78 | 30.25 | 1,344,365 | +0.75(+2.54%) |
| Dec 02, 2010 | 28.64 | 29.57 | 28.57 | 29.50 | 1,837,349 | +1.35(+4.80%) |