| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Mar 31, 2011 | 73.07 | 74.20 | 72.82 | 74.13 | 1,121,159 | +1.02(+1.40%) |
| Mar 30, 2011 | 73.11 | 73.79 | 73.02 | 73.11 | 920,618 | +0.01(+0.01%) |
| Mar 29, 2011 | 72.60 | 73.29 | 72.12 | 73.10 | 942,153 | +0.45(+0.62%) |
| Mar 28, 2011 | 72.49 | 72.81 | 72.33 | 72.65 | 1,568,588 | +0.13(+0.18%) |
| Mar 25, 2011 | 72.51 | 72.89 | 71.89 | 72.52 | 1,620,691 | +0.32(+0.44%) |
| Mar 24, 2011 | 71.72 | 72.31 | 71.39 | 72.20 | 1,183,473 | +0.78(+1.09%) |
| Mar 23, 2011 | 71.44 | 71.61 | 70.84 | 71.42 | 1,965,276 | -0.13(-0.18%) |
| Mar 22, 2011 | 73.05 | 73.73 | 70.94 | 71.55 | 3,206,658 | -2.12(-2.88%) |
| Mar 21, 2011 | 73.71 | 73.94 | 73.33 | 73.67 | 844,518 | +1.01(+1.39%) |
| Mar 18, 2011 | 72.62 | 73.03 | 72.27 | 72.66 | 1,377,591 | +0.87(+1.21%) |
| Mar 17, 2011 | 72.49 | 72.97 | 71.34 | 71.79 | 829,072 | +0.70(+0.98%) |
| Mar 16, 2011 | 71.41 | 72.06 | 70.60 | 71.09 | 1,454,939 | -0.66(-0.92%) |
| Mar 15, 2011 | 70.56 | 72.13 | 70.54 | 71.75 | 1,531,905 | -0.57(-0.79%) |
| Mar 14, 2011 | 72.27 | 72.51 | 71.48 | 72.32 | 815,589 | -0.43(-0.59%) |
| Mar 11, 2011 | 72.56 | 73.25 | 71.84 | 72.75 | 605,934 | +0.05(+0.07%) |
| Mar 10, 2011 | 72.89 | 73.64 | 71.72 | 72.70 | 1,185,094 | -0.91(-1.24%) |
| Mar 09, 2011 | 73.05 | 73.87 | 72.58 | 73.61 | 987,547 | +0.27(+0.37%) |
| Mar 08, 2011 | 72.25 | 73.68 | 72.08 | 73.34 | 979,169 | +1.12(+1.55%) |
| Mar 07, 2011 | 73.28 | 73.28 | 70.92 | 72.22 | 1,258,344 | -0.62(-0.85%) |
| Mar 04, 2011 | 73.64 | 73.78 | 72.14 | 72.84 | 1,087,295 | -1.02(-1.38%) |
| Mar 03, 2011 | 71.95 | 73.92 | 71.93 | 73.86 | 1,671,721 | +2.45(+3.43%) |
| Mar 02, 2011 | 70.53 | 71.86 | 70.46 | 71.41 | 1,212,306 | +0.54(+0.76%) |
| Mar 01, 2011 | 72.66 | 72.66 | 70.32 | 70.87 | 1,290,805 | -1.52(-2.10%) |
| Feb 28, 2011 | 72.71 | 72.90 | 72.18 | 72.39 | 1,197,534 | -0.16(-0.22%) |
| Feb 25, 2011 | 71.98 | 72.60 | 71.45 | 72.55 | 1,191,245 | +0.74(+1.03%) |
| Feb 24, 2011 | 70.92 | 72.25 | 70.84 | 71.81 | 1,758,142 | +1.11(+1.57%) |
| Feb 23, 2011 | 71.73 | 72.13 | 70.33 | 70.70 | 1,958,714 | -1.01(-1.41%) |
| Feb 22, 2011 | 74.45 | 74.50 | 71.53 | 71.71 | 2,409,615 | -3.28(-4.37%) |
| Feb 18, 2011 | 75.01 | 75.44 | 74.79 | 74.99 | 1,359,888 | -0.02(-0.03%) |
| Feb 17, 2011 | 74.64 | 75.45 | 74.52 | 75.01 | 758,725 | +0.09(+0.12%) |
| Feb 16, 2011 | 74.10 | 75.51 | 73.88 | 74.92 | 929,626 | +0.87(+1.17%) |
| Feb 15, 2011 | 73.94 | 74.37 | 73.53 | 74.05 | 1,098,457 | +0.14(+0.19%) |
| Feb 14, 2011 | 75.08 | 75.47 | 73.87 | 73.91 | 1,348,780 | -1.16(-1.55%) |
| Feb 11, 2011 | 74.11 | 75.37 | 73.90 | 75.07 | 1,526,917 | +0.47(+0.63%) |
| Feb 10, 2011 | 73.35 | 74.75 | 73.35 | 74.60 | 1,004,728 | +0.68(+0.92%) |
| Feb 09, 2011 | 73.31 | 74.08 | 73.08 | 73.92 | 816,082 | +0.35(+0.48%) |
| Feb 08, 2011 | 74.02 | 74.08 | 73.01 | 73.57 | 1,389,663 | -0.54(-0.73%) |
| Feb 07, 2011 | 74.05 | 74.37 | 73.39 | 74.11 | 1,132,269 | +0.05(+0.07%) |
| Feb 04, 2011 | 74.40 | 74.40 | 73.31 | 74.06 | 1,372,964 | -0.38(-0.51%) |
| Feb 03, 2011 | 73.60 | 75.07 | 73.57 | 74.44 | 2,037,167 | +0.70(+0.95%) |
| Feb 02, 2011 | 75.20 | 78.20 | 73.70 | 73.74 | 5,322,579 | -4.46(-5.70%) |
| Feb 01, 2011 | 77.43 | 78.64 | 77.27 | 78.20 | 1,725,282 | +1.11(+1.44%) |
| Jan 31, 2011 | 76.11 | 77.28 | 75.85 | 77.09 | 1,224,364 | +1.06(+1.39%) |
| Jan 28, 2011 | 77.98 | 78.08 | 75.90 | 76.03 | 1,670,531 | -1.71(-2.20%) |
| Jan 27, 2011 | 77.85 | 78.14 | 77.66 | 77.74 | 1,391,034 | -0.38(-0.49%) |
| Jan 26, 2011 | 77.85 | 78.37 | 77.46 | 78.12 | 903,562 | +0.29(+0.37%) |
| Jan 25, 2011 | 77.36 | 77.88 | 76.82 | 77.83 | 1,093,755 | +0.08(+0.10%) |
| Jan 24, 2011 | 77.74 | 78.12 | 77.29 | 77.75 | 731,238 | +0.13(+0.17%) |
| Jan 21, 2011 | 78.05 | 78.05 | 77.21 | 77.62 | 1,008,080 | -0.18(-0.23%) |
| Jan 20, 2011 | 77.82 | 78.50 | 77.42 | 77.80 | 1,154,180 | +0.08(+0.10%) |
| Jan 19, 2011 | 79.01 | 79.01 | 77.39 | 77.72 | 1,618,481 | -1.61(-2.03%) |
| Jan 18, 2011 | 79.06 | 79.49 | 78.97 | 79.33 | 924,663 | +0.45(+0.57%) |
| Jan 14, 2011 | 79.32 | 79.66 | 78.82 | 78.88 | 1,479,007 | -0.50(-0.63%) |
| Jan 13, 2011 | 79.62 | 79.96 | 79.12 | 79.38 | 596,771 | -0.37(-0.46%) |
| Jan 12, 2011 | 79.91 | 79.95 | 79.54 | 79.75 | 616,466 | +0.24(+0.30%) |
| Jan 11, 2011 | 79.71 | 80.09 | 78.94 | 79.51 | 764,570 | -0.07(-0.09%) |
| Jan 10, 2011 | 79.24 | 79.83 | 78.70 | 79.58 | 1,533,263 | +0.02(+0.03%) |
| Jan 07, 2011 | 79.91 | 80.35 | 79.16 | 79.56 | 1,782,341 | -0.08(-0.10%) |
| Jan 06, 2011 | 79.79 | 80.26 | 79.19 | 79.64 | 1,618,573 | -0.24(-0.30%) |
| Jan 05, 2011 | 79.21 | 80.49 | 79.16 | 79.88 | 1,984,084 | -0.57(-0.71%) |
| Jan 04, 2011 | 80.32 | 80.87 | 80.05 | 80.45 | 1,758,879 | -1.06(-1.30%) |