Historical Prices
| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 28, 2011 | 73.44 | 75.83 | 73.41 | 75.35 | 975,807 | +2.28(+3.12%) |
| Feb 25, 2011 | 71.40 | 73.17 | 71.18 | 73.07 | 556,000 | +2.26(+3.19%) |
| Feb 24, 2011 | 71.84 | 71.90 | 70.09 | 70.81 | 802,644 | -1.05(-1.46%) |
| Feb 23, 2011 | 73.24 | 73.55 | 71.00 | 71.86 | 886,983 | -1.35(-1.84%) |
| Feb 22, 2011 | 73.43 | 74.15 | 72.97 | 73.21 | 778,506 | -0.89(-1.20%) |
| Feb 18, 2011 | 73.72 | 74.27 | 73.25 | 74.10 | 533,458 | +0.60(+0.82%) |
| Feb 17, 2011 | 73.07 | 73.95 | 72.92 | 73.50 | 371,270 | +0.29(+0.40%) |
| Feb 16, 2011 | 73.57 | 74.14 | 73.07 | 73.21 | 502,035 | -0.19(-0.26%) |
| Feb 15, 2011 | 73.04 | 74.14 | 72.91 | 73.40 | 810,568 | -0.16(-0.22%) |
| Feb 14, 2011 | 74.49 | 74.72 | 73.40 | 73.56 | 773,924 | -0.94(-1.26%) |
| Feb 11, 2011 | 74.38 | 75.50 | 74.04 | 74.50 | 1,310,485 | -0.51(-0.68%) |
| Feb 10, 2011 | 73.16 | 75.24 | 73.16 | 75.01 | 690,076 | +1.18(+1.60%) |
| Feb 09, 2011 | 73.26 | 74.17 | 72.99 | 73.83 | 741,305 | +0.33(+0.45%) |
| Feb 08, 2011 | 73.22 | 73.98 | 73.12 | 73.50 | 818,347 | +0.20(+0.27%) |
| Feb 07, 2011 | 72.58 | 73.79 | 72.36 | 73.30 | 441,166 | +0.82(+1.13%) |
| Feb 04, 2011 | 73.55 | 73.82 | 72.41 | 72.48 | 793,074 | -0.91(-1.24%) |
| Feb 03, 2011 | 73.16 | 73.55 | 72.25 | 73.39 | 657,418 | +0.05(+0.07%) |
| Feb 02, 2011 | 73.40 | 74.02 | 73.20 | 73.34 | 548,736 | -0.09(-0.12%) |
| Feb 01, 2011 | 73.25 | 73.89 | 72.16 | 73.43 | 736,391 | +0.67(+0.92%) |
| Jan 31, 2011 | 72.31 | 73.20 | 72.17 | 72.76 | 850,649 | +0.91(+1.27%) |
| Jan 28, 2011 | 72.45 | 73.32 | 71.58 | 71.85 | 621,596 | -0.74(-1.02%) |
| Jan 27, 2011 | 70.98 | 72.76 | 70.87 | 72.59 | 980,629 | +1.80(+2.54%) |
| Jan 26, 2011 | 70.90 | 71.23 | 70.50 | 70.79 | 525,874 | +0.05(+0.07%) |
| Jan 25, 2011 | 70.31 | 71.31 | 69.57 | 70.74 | 1,332,453 | -0.76(-1.06%) |
| Jan 24, 2011 | 70.63 | 72.24 | 70.47 | 71.50 | 673,447 | +0.73(+1.03%) |
| Jan 21, 2011 | 70.57 | 70.86 | 70.01 | 70.77 | 485,764 | +0.47(+0.67%) |
| Jan 20, 2011 | 69.35 | 70.93 | 69.29 | 70.30 | 546,534 | +0.53(+0.76%) |
| Jan 19, 2011 | 70.98 | 71.16 | 69.36 | 69.77 | 756,267 | -1.38(-1.94%) |
| Jan 18, 2011 | 70.88 | 71.18 | 70.55 | 71.15 | 1,021,334 | +0.20(+0.28%) |
| Jan 14, 2011 | 70.61 | 71.38 | 70.28 | 70.95 | 1,027,154 | +0.76(+1.08%) |
| Jan 13, 2011 | 69.76 | 70.45 | 69.43 | 70.19 | 747,721 | +0.17(+0.24%) |
| Jan 12, 2011 | 69.24 | 70.25 | 69.11 | 70.02 | 912,920 | +1.62(+2.37%) |
| Jan 11, 2011 | 68.33 | 69.21 | 67.83 | 68.40 | 584,641 | +0.24(+0.35%) |
| Jan 10, 2011 | 66.73 | 68.69 | 66.60 | 68.16 | 939,483 | +1.11(+1.66%) |
| Jan 07, 2011 | 67.79 | 68.20 | 66.10 | 67.05 | 647,328 | -0.43(-0.64%) |
| Jan 06, 2011 | 68.29 | 68.36 | 67.29 | 67.48 | 588,515 | -0.59(-0.87%) |
| Jan 05, 2011 | 67.98 | 68.44 | 67.50 | 68.07 | 1,223,262 | -0.19(-0.28%) |
| Jan 04, 2011 | 69.24 | 69.74 | 67.57 | 68.26 | 811,109 | -0.88(-1.27%) |
| Jan 03, 2011 | 68.11 | 69.23 | 68.11 | 69.14 | 932,587 | +1.63(+2.41%) |
| Dec 31, 2010 | 67.54 | 68.15 | 67.40 | 67.51 | 390,835 | -0.06(-0.09%) |
| Dec 30, 2010 | 67.69 | 67.95 | 67.33 | 67.57 | 284,762 | -0.13(-0.19%) |
| Dec 29, 2010 | 67.59 | 68.08 | 67.03 | 67.70 | 530,068 | +0.41(+0.61%) |
| Dec 28, 2010 | 66.95 | 67.55 | 66.66 | 67.29 | 516,564 | +0.67(+1.01%) |
| Dec 27, 2010 | 65.56 | 66.71 | 65.48 | 66.62 | 296,334 | +0.88(+1.34%) |
| Dec 23, 2010 | 65.90 | 66.42 | 65.57 | 65.74 | 296,308 | -0.12(-0.18%) |
| Dec 22, 2010 | 65.50 | 66.77 | 65.36 | 65.86 | 566,511 | +0.51(+0.78%) |
| Dec 21, 2010 | 64.73 | 65.59 | 64.54 | 65.35 | 499,478 | +1.06(+1.65%) |
| Dec 20, 2010 | 63.69 | 64.80 | 63.54 | 64.29 | 513,736 | +0.76(+1.20%) |
| Dec 17, 2010 | 63.13 | 64.00 | 63.02 | 63.53 | 1,539,642 | +0.24(+0.38%) |
| Dec 16, 2010 | 63.33 | 63.72 | 62.72 | 63.29 | 581,067 | +0.11(+0.17%) |
| Dec 15, 2010 | 63.83 | 64.77 | 63.15 | 63.18 | 793,372 | -0.80(-1.25%) |
| Dec 14, 2010 | 64.98 | 65.47 | 63.53 | 63.98 | 779,787 | -0.84(-1.30%) |
| Dec 13, 2010 | 64.39 | 65.40 | 63.90 | 64.82 | 768,912 | +0.78(+1.22%) |
| Dec 10, 2010 | 63.89 | 64.63 | 63.60 | 64.04 | 610,217 | +0.35(+0.55%) |
| Dec 09, 2010 | 64.80 | 64.87 | 63.51 | 63.69 | 979,064 | -0.79(-1.23%) |
| Dec 08, 2010 | 66.57 | 66.78 | 64.00 | 64.48 | 1,404,854 | -1.94(-2.92%) |
| Dec 07, 2010 | 67.84 | 67.98 | 66.25 | 66.42 | 760,900 | -0.61(-0.91%) |
| Dec 06, 2010 | 65.81 | 67.79 | 65.40 | 67.03 | 972,693 | +1.14(+1.73%) |
| Dec 03, 2010 | 66.06 | 66.35 | 65.29 | 65.89 | 715,043 | -0.54(-0.81%) |
| Dec 02, 2010 | 66.21 | 66.46 | 65.74 | 66.43 | 1,507,962 | +0.35(+0.53%) |
