Historical Prices
| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 29, 2012 | 94.37 | 94.37 | 93.59 | 93.62 | 534,566 | -0.53(-0.56%) |
| Feb 28, 2012 | 93.99 | 94.87 | 93.57 | 94.15 | 425,286 | +0.11(+0.12%) |
| Feb 27, 2012 | 93.57 | 94.32 | 93.16 | 94.04 | 403,512 | -0.03(-0.03%) |
| Feb 24, 2012 | 93.77 | 94.42 | 93.76 | 94.07 | 550,077 | +0.32(+0.34%) |
| Feb 23, 2012 | 93.85 | 94.36 | 93.56 | 93.75 | 604,040 | -0.30(-0.32%) |
| Feb 22, 2012 | 93.98 | 94.60 | 93.56 | 94.05 | 476,102 | +0.00(+0.00%) |
| Feb 21, 2012 | 95.44 | 95.78 | 93.35 | 94.05 | 676,384 | -1.48(-1.55%) |
| Feb 17, 2012 | 95.85 | 97.27 | 95.26 | 95.53 | 557,332 | +0.09(+0.09%) |
| Feb 16, 2012 | 95.11 | 95.48 | 94.71 | 95.44 | 447,917 | +0.18(+0.19%) |
| Feb 15, 2012 | 95.62 | 95.72 | 94.80 | 95.26 | 552,657 | -0.36(-0.38%) |
| Feb 14, 2012 | 95.43 | 95.79 | 95.04 | 95.62 | 1,055,557 | +0.25(+0.26%) |
| Feb 13, 2012 | 95.96 | 97.21 | 94.70 | 95.37 | 1,148,520 | -0.30(-0.31%) |
| Feb 10, 2012 | 91.72 | 95.70 | 91.41 | 95.67 | 3,081,963 | +3.36(+3.64%) |
| Feb 09, 2012 | 92.74 | 92.77 | 92.00 | 92.31 | 651,664 | -0.44(-0.47%) |
| Feb 08, 2012 | 93.05 | 93.69 | 92.53 | 92.75 | 649,269 | -0.29(-0.31%) |
| Feb 07, 2012 | 92.78 | 93.31 | 92.62 | 93.04 | 604,607 | -0.19(-0.20%) |
| Feb 06, 2012 | 93.16 | 93.75 | 93.03 | 93.23 | 490,289 | -0.25(-0.27%) |
| Feb 03, 2012 | 93.58 | 93.82 | 93.00 | 93.48 | 845,668 | +0.78(+0.84%) |
| Feb 02, 2012 | 93.78 | 94.10 | 92.69 | 92.70 | 711,351 | -1.09(-1.16%) |
| Feb 01, 2012 | 93.51 | 95.39 | 93.51 | 93.79 | 945,944 | +1.27(+1.37%) |
| Jan 31, 2012 | 93.46 | 93.58 | 92.50 | 92.52 | 685,559 | +0.39(+0.42%) |
| Jan 30, 2012 | 92.67 | 92.69 | 91.69 | 92.13 | 550,713 | -1.19(-1.28%) |
| Jan 27, 2012 | 93.12 | 93.84 | 92.95 | 93.32 | 385,595 | +0.08(+0.09%) |
| Jan 26, 2012 | 93.76 | 94.12 | 92.58 | 93.24 | 687,564 | -0.27(-0.29%) |
| Jan 25, 2012 | 91.87 | 93.83 | 91.74 | 93.51 | 742,209 | +1.66(+1.81%) |
| Jan 24, 2012 | 89.95 | 92.65 | 89.75 | 91.85 | 694,987 | +1.82(+2.02%) |
| Jan 23, 2012 | 89.90 | 90.30 | 89.46 | 90.03 | 409,441 | +0.02(+0.02%) |
| Jan 20, 2012 | 89.36 | 90.17 | 89.05 | 90.01 | 774,504 | +0.65(+0.73%) |
| Jan 19, 2012 | 86.43 | 89.99 | 86.16 | 89.36 | 1,085,885 | +3.08(+3.57%) |
| Jan 18, 2012 | 85.94 | 86.52 | 85.46 | 86.28 | 565,306 | +0.41(+0.48%) |
| Jan 17, 2012 | 86.14 | 86.92 | 85.49 | 85.87 | 608,160 | +0.42(+0.49%) |
| Jan 13, 2012 | 85.60 | 86.02 | 85.26 | 85.45 | 523,299 | -0.60(-0.70%) |
| Jan 12, 2012 | 85.91 | 86.26 | 84.56 | 86.05 | 438,166 | +0.22(+0.26%) |
| Jan 11, 2012 | 85.65 | 86.01 | 85.32 | 85.83 | 481,081 | +0.08(+0.09%) |
| Jan 10, 2012 | 85.85 | 86.38 | 85.64 | 85.75 | 529,379 | +0.30(+0.35%) |
| Jan 09, 2012 | 85.80 | 86.13 | 84.62 | 85.45 | 390,092 | -0.23(-0.27%) |
| Jan 06, 2012 | 85.94 | 86.19 | 84.97 | 85.68 | 663,383 | -0.26(-0.30%) |
| Jan 05, 2012 | 86.02 | 86.27 | 85.67 | 85.94 | 626,077 | -0.14(-0.16%) |
| Jan 04, 2012 | 86.39 | 86.63 | 84.42 | 86.08 | 1,311,773 | +0.58(+0.68%) |
| Dec 30, 2011 | 86.08 | 86.32 | 85.41 | 85.50 | 279,953 | -0.28(-0.33%) |
| Dec 29, 2011 | 84.60 | 85.96 | 84.60 | 85.78 | 337,283 | +1.29(+1.53%) |
| Dec 28, 2011 | 85.74 | 85.74 | 84.43 | 84.49 | 402,747 | -1.11(-1.30%) |
| Dec 27, 2011 | 85.15 | 85.85 | 84.81 | 85.60 | 579,930 | +0.48(+0.56%) |
| Dec 23, 2011 | 84.43 | 85.13 | 83.99 | 85.12 | 686,156 | +1.08(+1.29%) |
| Dec 21, 2011 | 82.45 | 84.04 | 82.22 | 84.04 | 1,943,182 | -3.74(-4.26%) |
| Dec 20, 2011 | 86.46 | 87.88 | 86.45 | 87.78 | 759,522 | +2.50(+2.93%) |
| Dec 19, 2011 | 86.25 | 87.09 | 85.26 | 85.28 | 585,488 | -0.88(-1.02%) |
| Dec 16, 2011 | 87.01 | 87.35 | 85.82 | 86.16 | 947,813 | -0.55(-0.63%) |
| Dec 15, 2011 | 85.67 | 87.15 | 85.18 | 86.71 | 846,703 | +2.10(+2.48%) |
| Dec 14, 2011 | 84.09 | 85.10 | 84.05 | 84.61 | 998,637 | +0.17(+0.20%) |
| Dec 13, 2011 | 85.04 | 85.26 | 83.98 | 84.44 | 684,071 | -0.14(-0.17%) |
| Dec 12, 2011 | 85.24 | 85.37 | 84.13 | 84.58 | 482,056 | -1.12(-1.31%) |
| Dec 09, 2011 | 84.12 | 85.96 | 84.12 | 85.70 | 267,578 | +1.58(+1.88%) |
| Dec 08, 2011 | 85.70 | 85.86 | 84.02 | 84.12 | 539,435 | -2.00(-2.32%) |
| Dec 07, 2011 | 85.62 | 86.59 | 84.91 | 86.12 | 357,836 | +0.23(+0.27%) |
| Dec 06, 2011 | 86.77 | 86.93 | 85.61 | 85.89 | 483,447 | -0.62(-0.72%) |
| Dec 05, 2011 | 86.68 | 87.50 | 86.00 | 86.51 | 493,597 | +0.80(+0.93%) |
| Dec 02, 2011 | 87.75 | 88.12 | 85.44 | 85.71 | 600,845 | -1.54(-1.77%) |
