Historical Prices
| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 28, 2011 | 97.10 | 97.78 | 95.62 | 97.76 | 627,844 | +0.50(+0.51%) |
| Feb 25, 2011 | 96.56 | 97.35 | 96.10 | 97.26 | 495,738 | +1.00(+1.04%) |
| Feb 24, 2011 | 96.15 | 96.93 | 95.85 | 96.26 | 724,150 | +0.26(+0.27%) |
| Feb 23, 2011 | 96.82 | 97.14 | 95.76 | 96.00 | 591,060 | -0.98(-1.01%) |
| Feb 22, 2011 | 97.39 | 97.89 | 95.74 | 96.98 | 836,640 | -1.73(-1.75%) |
| Feb 18, 2011 | 98.27 | 99.00 | 97.81 | 98.71 | 1,167,297 | +0.59(+0.60%) |
| Feb 17, 2011 | 97.77 | 98.28 | 97.08 | 98.12 | 455,487 | +0.35(+0.36%) |
| Feb 16, 2011 | 97.79 | 98.02 | 97.26 | 97.77 | 620,844 | -0.05(-0.05%) |
| Feb 15, 2011 | 97.76 | 98.08 | 97.38 | 97.82 | 494,559 | -0.29(-0.30%) |
| Feb 14, 2011 | 97.52 | 98.68 | 97.46 | 98.11 | 533,335 | +0.36(+0.37%) |
| Feb 11, 2011 | 95.65 | 98.09 | 95.65 | 97.75 | 882,582 | +1.65(+1.72%) |
| Feb 10, 2011 | 94.25 | 96.12 | 94.23 | 96.10 | 953,162 | +1.76(+1.87%) |
| Feb 09, 2011 | 93.69 | 94.43 | 93.49 | 94.34 | 469,730 | +0.59(+0.63%) |
| Feb 08, 2011 | 94.30 | 94.38 | 93.37 | 93.75 | 830,086 | -0.59(-0.63%) |
| Feb 07, 2011 | 93.44 | 94.57 | 93.44 | 94.34 | 486,367 | +1.02(+1.09%) |
| Feb 04, 2011 | 93.49 | 93.49 | 92.87 | 93.32 | 374,830 | +0.07(+0.08%) |
| Feb 03, 2011 | 93.08 | 93.49 | 92.62 | 93.25 | 606,999 | -0.02(-0.02%) |
| Feb 02, 2011 | 93.58 | 93.86 | 92.76 | 93.27 | 683,112 | -0.49(-0.52%) |
| Feb 01, 2011 | 94.95 | 94.98 | 92.93 | 93.76 | 948,354 | -0.59(-0.63%) |
| Jan 31, 2011 | 93.07 | 94.44 | 92.75 | 94.35 | 778,040 | +1.29(+1.39%) |
| Jan 28, 2011 | 94.00 | 94.00 | 92.67 | 93.06 | 504,391 | -0.91(-0.97%) |
| Jan 27, 2011 | 93.69 | 94.27 | 93.19 | 93.97 | 407,426 | +0.40(+0.43%) |
| Jan 26, 2011 | 93.20 | 93.99 | 93.19 | 93.57 | 408,774 | +0.57(+0.61%) |
| Jan 25, 2011 | 92.32 | 93.14 | 92.16 | 93.00 | 401,437 | +0.68(+0.74%) |
| Jan 24, 2011 | 92.31 | 93.22 | 92.11 | 92.32 | 496,100 | -0.63(-0.68%) |
| Jan 21, 2011 | 93.38 | 93.42 | 92.80 | 92.95 | 460,240 | -0.16(-0.17%) |
| Jan 20, 2011 | 92.77 | 94.19 | 92.77 | 93.11 | 868,262 | +0.09(+0.10%) |
| Jan 19, 2011 | 92.78 | 93.04 | 92.19 | 93.02 | 923,484 | +0.08(+0.09%) |
| Jan 18, 2011 | 91.29 | 93.00 | 91.29 | 92.94 | 787,496 | +1.69(+1.85%) |
| Jan 14, 2011 | 91.41 | 91.72 | 91.01 | 91.25 | 605,261 | -0.41(-0.45%) |
| Jan 13, 2011 | 91.60 | 92.27 | 91.60 | 91.66 | 411,034 | -0.02(-0.02%) |
| Jan 12, 2011 | 91.30 | 91.95 | 90.97 | 91.68 | 402,148 | +0.68(+0.75%) |
| Jan 11, 2011 | 91.12 | 91.46 | 90.80 | 91.00 | 600,897 | -0.05(-0.05%) |
| Jan 10, 2011 | 90.22 | 91.29 | 90.11 | 91.05 | 616,931 | +0.13(+0.14%) |
| Jan 07, 2011 | 92.18 | 92.70 | 90.82 | 90.92 | 618,494 | -1.49(-1.61%) |
| Jan 06, 2011 | 92.00 | 92.59 | 91.60 | 92.41 | 617,628 | +0.42(+0.46%) |
| Jan 05, 2011 | 91.85 | 92.25 | 91.48 | 91.99 | 563,241 | +0.01(+0.01%) |
| Jan 04, 2011 | 92.29 | 92.29 | 91.26 | 91.98 | 802,980 | -0.27(-0.29%) |
| Jan 03, 2011 | 91.90 | 92.62 | 90.99 | 92.25 | 855,514 | +0.48(+0.52%) |
| Dec 31, 2010 | 92.32 | 92.71 | 91.73 | 91.77 | 355,660 | -0.75(-0.81%) |
| Dec 30, 2010 | 92.55 | 93.02 | 92.17 | 92.52 | 468,336 | -0.18(-0.19%) |
| Dec 29, 2010 | 93.17 | 93.49 | 92.70 | 92.70 | 460,940 | -0.38(-0.41%) |
| Dec 28, 2010 | 93.23 | 93.51 | 92.93 | 93.08 | 382,565 | -0.07(-0.08%) |
| Dec 27, 2010 | 93.62 | 93.62 | 93.10 | 93.15 | 340,047 | -0.19(-0.20%) |
| Dec 23, 2010 | 93.38 | 93.69 | 93.13 | 93.34 | 334,799 | +0.04(+0.04%) |
| Dec 22, 2010 | 93.46 | 93.61 | 93.18 | 93.30 | 562,122 | -0.24(-0.26%) |
| Dec 21, 2010 | 94.08 | 94.08 | 93.05 | 93.54 | 496,732 | -0.42(-0.45%) |
| Dec 20, 2010 | 95.39 | 95.39 | 93.56 | 93.96 | 749,609 | -1.76(-1.84%) |
| Dec 17, 2010 | 94.55 | 95.72 | 93.48 | 95.72 | 1,383,906 | +0.93(+0.98%) |
| Dec 16, 2010 | 91.29 | 94.92 | 91.20 | 94.79 | 1,709,617 | +3.45(+3.78%) |
| Dec 15, 2010 | 89.38 | 91.73 | 89.27 | 91.34 | 1,309,334 | +1.77(+1.98%) |
| Dec 14, 2010 | 87.50 | 91.09 | 87.43 | 89.57 | 2,124,419 | +3.52(+4.09%) |
| Dec 13, 2010 | 86.60 | 86.60 | 85.83 | 86.05 | 743,184 | -0.49(-0.57%) |
| Dec 10, 2010 | 85.90 | 86.60 | 85.77 | 86.54 | 559,839 | +0.81(+0.94%) |
| Dec 09, 2010 | 86.03 | 86.30 | 85.69 | 85.73 | 322,489 | -0.11(-0.13%) |
| Dec 08, 2010 | 85.94 | 86.59 | 85.70 | 85.84 | 351,760 | -0.16(-0.19%) |
| Dec 07, 2010 | 86.96 | 86.96 | 85.91 | 86.00 | 409,707 | -0.05(-0.06%) |
| Dec 06, 2010 | 86.17 | 86.48 | 85.85 | 86.05 | 234,613 | -0.28(-0.32%) |
| Dec 03, 2010 | 86.20 | 86.57 | 85.91 | 86.33 | 372,306 | +0.00(+0.00%) |
| Dec 02, 2010 | 85.90 | 86.80 | 85.90 | 86.33 | 867,587 | +0.37(+0.43%) |
