Historical Prices
| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 28, 2011 | 37.74 | 37.92 | 37.56 | 37.63 | 11,290,387 | -0.15(-0.40%) |
| Feb 25, 2011 | 38.20 | 38.29 | 37.76 | 37.78 | 11,406,313 | -0.41(-1.08%) |
| Feb 24, 2011 | 38.30 | 38.44 | 37.95 | 38.19 | 17,490,340 | -0.48(-1.24%) |
| Feb 23, 2011 | 38.75 | 39.05 | 38.35 | 38.67 | 20,131,524 | -0.31(-0.80%) |
| Feb 22, 2011 | 39.82 | 40.00 | 38.90 | 38.98 | 19,973,204 | -1.17(-2.91%) |
| Feb 18, 2011 | 40.28 | 40.60 | 40.13 | 40.15 | 15,002,095 | +0.18(+0.45%) |
| Feb 17, 2011 | 39.74 | 40.07 | 39.62 | 39.97 | 12,311,650 | -0.13(-0.32%) |
| Feb 16, 2011 | 39.88 | 40.38 | 39.51 | 40.10 | 13,293,440 | +0.23(+0.58%) |
| Feb 15, 2011 | 40.18 | 40.35 | 39.79 | 39.87 | 12,716,674 | -0.31(-0.77%) |
| Feb 14, 2011 | 40.39 | 40.40 | 39.85 | 40.18 | 12,588,376 | -0.11(-0.27%) |
| Feb 11, 2011 | 40.68 | 40.94 | 40.23 | 40.29 | 20,982,803 | -1.09(-2.63%) |
| Feb 10, 2011 | 40.82 | 41.44 | 40.61 | 41.38 | 15,430,008 | +0.81(+2.00%) |
| Feb 09, 2011 | 41.03 | 41.54 | 40.15 | 40.57 | 22,051,252 | -0.67(-1.62%) |
| Feb 08, 2011 | 40.50 | 41.34 | 40.27 | 41.24 | 15,036,061 | +0.74(+1.83%) |
| Feb 07, 2011 | 41.04 | 41.17 | 40.50 | 40.50 | 14,562,935 | -0.39(-0.95%) |
| Feb 04, 2011 | 40.31 | 40.96 | 40.19 | 40.89 | 21,877,951 | +0.80(+2.00%) |
| Feb 03, 2011 | 39.91 | 40.12 | 39.39 | 40.09 | 19,557,620 | +0.64(+1.62%) |
| Feb 02, 2011 | 39.10 | 39.94 | 38.99 | 39.45 | 15,279,943 | +0.04(+0.10%) |
| Feb 01, 2011 | 39.38 | 39.73 | 39.15 | 39.41 | 17,315,199 | +0.36(+0.92%) |
| Jan 31, 2011 | 38.71 | 39.22 | 38.44 | 39.05 | 13,230,767 | +0.52(+1.35%) |
| Jan 28, 2011 | 39.45 | 39.49 | 38.20 | 38.53 | 16,325,228 | -0.40(-1.03%) |
| Jan 27, 2011 | 39.23 | 39.57 | 38.74 | 38.93 | 13,324,661 | -0.30(-0.76%) |
| Jan 26, 2011 | 38.30 | 39.39 | 38.29 | 39.23 | 18,006,001 | +1.07(+2.80%) |
| Jan 25, 2011 | 38.59 | 39.10 | 37.78 | 38.16 | 20,477,049 | -0.74(-1.90%) |
| Jan 24, 2011 | 38.66 | 39.06 | 38.62 | 38.90 | 11,091,285 | -0.08(-0.21%) |
| Jan 21, 2011 | 39.65 | 39.83 | 38.96 | 38.98 | 13,160,537 | -0.53(-1.34%) |
| Jan 20, 2011 | 38.98 | 39.89 | 38.87 | 39.51 | 21,528,990 | +0.99(+2.57%) |
| Jan 19, 2011 | 39.07 | 39.11 | 38.50 | 38.52 | 15,550,648 | -0.54(-1.38%) |
| Jan 18, 2011 | 39.18 | 39.64 | 38.82 | 39.06 | 16,907,876 | +0.36(+0.93%) |
| Jan 14, 2011 | 37.96 | 38.78 | 37.85 | 38.70 | 12,692,499 | +0.44(+1.15%) |
| Jan 13, 2011 | 38.92 | 39.06 | 37.96 | 38.26 | 19,623,416 | -0.63(-1.62%) |
| Jan 12, 2011 | 38.83 | 39.05 | 38.46 | 38.89 | 13,544,657 | +0.54(+1.41%) |
| Jan 11, 2011 | 38.22 | 38.87 | 38.11 | 38.35 | 13,031,921 | +0.41(+1.07%) |
| Jan 10, 2011 | 38.14 | 38.48 | 37.80 | 37.94 | 12,291,234 | -0.40(-1.03%) |
| Jan 07, 2011 | 39.06 | 39.46 | 38.09 | 38.34 | 18,941,091 | -0.45(-1.17%) |
| Jan 06, 2011 | 39.04 | 39.36 | 38.54 | 38.79 | 12,669,900 | -0.28(-0.72%) |
| Jan 05, 2011 | 38.27 | 39.32 | 38.11 | 39.07 | 21,734,732 | +1.63(+4.35%) |
| Jan 04, 2011 | 37.55 | 37.95 | 37.27 | 37.44 | 15,161,153 | -0.07(-0.19%) |
| Jan 03, 2011 | 37.72 | 37.93 | 36.86 | 37.51 | 19,756,801 | +0.47(+1.27%) |
| Dec 31, 2010 | 37.52 | 37.58 | 36.68 | 37.04 | 13,023,579 | -0.80(-2.11%) |
| Dec 30, 2010 | 38.03 | 38.40 | 37.70 | 37.84 | 14,066,834 | +0.03(+0.08%) |
| Dec 29, 2010 | 39.02 | 39.26 | 37.52 | 37.81 | 22,250,657 | -1.29(-3.30%) |
| Dec 28, 2010 | 38.09 | 39.38 | 37.97 | 39.10 | 13,739,813 | +1.43(+3.80%) |
| Dec 27, 2010 | 38.47 | 38.88 | 37.66 | 37.67 | 7,769,546 | -0.73(-1.89%) |
| Dec 23, 2010 | 38.17 | 38.67 | 38.13 | 38.40 | 7,702,874 | +0.19(+0.51%) |
| Dec 22, 2010 | 37.95 | 38.38 | 37.87 | 38.20 | 9,633,194 | +0.47(+1.25%) |
| Dec 21, 2010 | 38.20 | 38.74 | 37.72 | 37.73 | 13,518,528 | -0.69(-1.80%) |
| Dec 20, 2010 | 37.74 | 38.62 | 37.33 | 38.42 | 20,333,475 | +0.29(+0.76%) |
| Dec 17, 2010 | 39.32 | 39.34 | 37.68 | 38.13 | 24,317,784 | -1.50(-3.79%) |
| Dec 16, 2010 | 40.07 | 40.48 | 39.61 | 39.63 | 28,795,661 | -0.49(-1.22%) |
| Dec 15, 2010 | 39.13 | 40.56 | 39.02 | 40.12 | 28,850,586 | +1.01(+2.58%) |
| Dec 14, 2010 | 38.93 | 39.70 | 38.42 | 39.11 | 29,894,022 | +1.05(+2.76%) |
| Dec 13, 2010 | 38.43 | 38.80 | 37.63 | 38.06 | 17,704,084 | -0.22(-0.57%) |
| Dec 10, 2010 | 38.22 | 38.35 | 37.77 | 38.28 | 9,191,682 | +0.40(+1.06%) |
| Dec 09, 2010 | 37.97 | 38.67 | 37.42 | 37.88 | 24,112,421 | -0.34(-0.89%) |
| Dec 08, 2010 | 37.85 | 39.17 | 37.82 | 38.22 | 29,700,000 | +0.73(+1.95%) |
| Dec 07, 2010 | 37.13 | 38.26 | 36.97 | 37.49 | 23,530,625 | +0.94(+2.57%) |
| Dec 06, 2010 | 36.54 | 36.70 | 36.01 | 36.55 | 11,029,115 | -0.48(-1.30%) |
| Dec 03, 2010 | 35.96 | 37.05 | 35.93 | 37.03 | 14,556,708 | +0.54(+1.48%) |
| Dec 02, 2010 | 36.24 | 36.57 | 35.81 | 36.49 | 11,961,977 | +0.25(+0.69%) |
