Historical Prices
| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 28, 2013 | 81.17 | 82.07 | 81.07 | 81.62 | 1,146,270 | +0.31(+0.38%) |
| Feb 27, 2013 | 80.67 | 81.55 | 80.32 | 81.31 | 687,493 | +0.64(+0.79%) |
| Feb 26, 2013 | 80.55 | 81.11 | 79.90 | 80.67 | 597,409 | +0.54(+0.67%) |
| Feb 25, 2013 | 81.81 | 82.04 | 80.12 | 80.13 | 535,236 | -1.51(-1.85%) |
| Feb 22, 2013 | 81.62 | 82.02 | 81.32 | 81.64 | 382,277 | +0.55(+0.68%) |
| Feb 21, 2013 | 82.24 | 82.81 | 80.98 | 81.09 | 518,454 | -1.07(-1.30%) |
| Feb 20, 2013 | 83.27 | 83.76 | 82.10 | 82.16 | 636,968 | -1.33(-1.59%) |
| Feb 19, 2013 | 83.21 | 83.50 | 82.99 | 83.49 | 624,148 | +0.79(+0.96%) |
| Feb 15, 2013 | 82.09 | 82.70 | 81.70 | 82.70 | 475,706 | +0.55(+0.67%) |
| Feb 14, 2013 | 82.52 | 82.69 | 81.94 | 82.15 | 369,719 | -0.61(-0.74%) |
| Feb 13, 2013 | 82.80 | 82.96 | 82.45 | 82.76 | 521,369 | -0.03(-0.04%) |
| Feb 12, 2013 | 81.79 | 82.94 | 81.73 | 82.79 | 706,241 | +1.00(+1.22%) |
| Feb 11, 2013 | 81.87 | 82.28 | 81.36 | 81.79 | 644,276 | -0.10(-0.12%) |
| Feb 08, 2013 | 81.22 | 81.93 | 80.94 | 81.89 | 296,853 | +0.87(+1.07%) |
| Feb 07, 2013 | 81.19 | 81.36 | 80.49 | 81.02 | 517,000 | -0.04(-0.05%) |
| Feb 06, 2013 | 80.69 | 81.38 | 80.58 | 81.06 | 882,810 | +0.30(+0.37%) |
| Feb 04, 2013 | 80.43 | 80.93 | 80.24 | 80.76 | 626,335 | +0.02(+0.02%) |
| Feb 01, 2013 | 80.90 | 81.32 | 80.23 | 80.74 | 786,480 | +0.36(+0.45%) |
| Jan 31, 2013 | 80.00 | 81.18 | 78.89 | 80.38 | 831,380 | +0.06(+0.07%) |
| Jan 30, 2013 | 82.03 | 82.03 | 79.99 | 80.32 | 821,989 | -1.50(-1.83%) |
| Jan 29, 2013 | 81.37 | 81.85 | 81.12 | 81.82 | 490,700 | +0.30(+0.37%) |
| Jan 28, 2013 | 81.79 | 81.79 | 80.55 | 81.52 | 535,520 | +0.08(+0.10%) |
| Jan 25, 2013 | 80.83 | 81.46 | 80.31 | 81.44 | 413,317 | +0.69(+0.85%) |
| Jan 24, 2013 | 80.21 | 80.84 | 79.94 | 80.75 | 731,103 | +0.41(+0.51%) |
| Jan 23, 2013 | 80.43 | 80.73 | 80.24 | 80.34 | 361,880 | -0.30(-0.37%) |
| Jan 22, 2013 | 80.06 | 81.37 | 78.78 | 80.64 | 890,073 | +0.41(+0.51%) |
| Jan 18, 2013 | 79.44 | 80.28 | 79.18 | 80.23 | 620,308 | +0.91(+1.15%) |
| Jan 17, 2013 | 79.47 | 79.70 | 79.24 | 79.32 | 429,577 | -0.01(-0.01%) |
| Jan 16, 2013 | 78.79 | 79.39 | 78.66 | 79.33 | 324,197 | -0.01(-0.01%) |
| Jan 15, 2013 | 77.68 | 79.48 | 77.68 | 79.34 | 447,124 | +0.52(+0.66%) |
| Jan 14, 2013 | 79.03 | 79.15 | 78.56 | 78.82 | 766,773 | -0.30(-0.38%) |
| Jan 12, 2013 | 79.04 | 79.27 | 78.81 | 79.12 | 407,519 | +0.00(+0.00%) |
| Jan 11, 2013 | 79.04 | 79.27 | 78.81 | 79.12 | 407,519 | +0.06(+0.08%) |
| Jan 10, 2013 | 79.12 | 79.46 | 78.57 | 79.06 | 790,855 | +0.11(+0.14%) |
| Jan 09, 2013 | 78.80 | 79.30 | 78.80 | 78.95 | 745,171 | +0.33(+0.42%) |
| Jan 08, 2013 | 79.09 | 79.23 | 78.34 | 78.62 | 641,074 | -0.36(-0.46%) |
| Jan 07, 2013 | 78.15 | 79.08 | 78.03 | 78.98 | 438,849 | +0.50(+0.64%) |
| Jan 04, 2013 | 78.22 | 78.79 | 78.01 | 78.48 | 349,780 | +0.32(+0.41%) |
| Jan 03, 2013 | 78.32 | 79.14 | 77.96 | 78.16 | 502,602 | -0.27(-0.34%) |
| Jan 02, 2013 | 78.10 | 78.43 | 77.33 | 78.43 | 768,060 | +1.87(+2.44%) |
| Dec 31, 2012 | 75.50 | 76.73 | 75.25 | 76.56 | 459,193 | +0.93(+1.23%) |
| Dec 28, 2012 | 75.79 | 76.44 | 75.03 | 75.63 | 322,267 | -0.81(-1.06%) |
| Dec 27, 2012 | 76.28 | 76.64 | 75.45 | 76.44 | 377,998 | +0.29(+0.38%) |
| Dec 26, 2012 | 77.05 | 77.05 | 75.65 | 76.15 | 572,395 | -0.84(-1.09%) |
| Dec 24, 2012 | 76.63 | 77.28 | 75.96 | 76.99 | 196,508 | +0.38(+0.50%) |
| Dec 21, 2012 | 76.39 | 77.24 | 76.29 | 76.61 | 1,511,283 | -1.05(-1.35%) |
| Dec 20, 2012 | 76.61 | 77.68 | 76.60 | 77.66 | 716,723 | +0.89(+1.16%) |
| Dec 19, 2012 | 76.88 | 77.30 | 76.67 | 76.77 | 499,941 | -0.45(-0.58%) |
| Dec 18, 2012 | 76.64 | 77.25 | 76.38 | 77.22 | 494,397 | +0.80(+1.05%) |
| Dec 17, 2012 | 76.13 | 76.43 | 75.67 | 76.42 | 677,870 | +0.35(+0.46%) |
| Dec 14, 2012 | 75.49 | 76.24 | 75.46 | 76.07 | 502,968 | +0.51(+0.67%) |
| Dec 13, 2012 | 75.80 | 76.25 | 75.39 | 75.56 | 687,733 | -0.31(-0.41%) |
| Dec 12, 2012 | 76.32 | 76.44 | 75.53 | 75.87 | 686,287 | -0.36(-0.47%) |
| Dec 11, 2012 | 76.21 | 76.46 | 75.96 | 76.23 | 465,736 | +0.24(+0.32%) |
| Dec 10, 2012 | 76.35 | 76.59 | 75.52 | 75.99 | 677,765 | -0.25(-0.33%) |
| Dec 07, 2012 | 76.11 | 76.39 | 75.27 | 76.24 | 812,251 | +0.51(+0.67%) |
| Dec 06, 2012 | 75.12 | 75.85 | 75.06 | 75.73 | 627,876 | +0.64(+0.85%) |
| Dec 05, 2012 | 75.75 | 75.97 | 74.86 | 75.09 | 874,982 | -0.60(-0.79%) |
