| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 28, 2011 | 48.61 | 48.93 | 48.60 | 48.78 | 731,063 | +0.38(+0.79%) |
| Feb 25, 2011 | 48.16 | 48.44 | 48.05 | 48.40 | 790,365 | +0.59(+1.23%) |
| Feb 24, 2011 | 47.90 | 47.99 | 47.43 | 47.81 | 145,103 | +0.05(+0.10%) |
| Feb 23, 2011 | 48.05 | 48.14 | 47.47 | 47.76 | 189,895 | -0.16(-0.33%) |
| Feb 22, 2011 | 48.36 | 48.70 | 47.82 | 47.92 | 912,601 | -1.32(-2.68%) |
| Feb 18, 2011 | 49.10 | 49.27 | 49.00 | 49.24 | 152,945 | +0.23(+0.47%) |
| Feb 17, 2011 | 48.86 | 49.09 | 48.74 | 49.01 | 333,086 | +0.15(+0.31%) |
| Feb 16, 2011 | 48.53 | 48.91 | 48.53 | 48.86 | 202,969 | +0.39(+0.80%) |
| Feb 15, 2011 | 48.52 | 48.58 | 48.34 | 48.47 | 522,927 | -0.01(-0.02%) |
| Feb 14, 2011 | 48.45 | 48.57 | 48.39 | 48.48 | 486,396 | +0.04(+0.08%) |
| Feb 11, 2011 | 48.10 | 48.53 | 47.90 | 48.44 | 110,027 | +0.21(+0.44%) |
| Feb 10, 2011 | 47.69 | 48.31 | 47.69 | 48.23 | 389,211 | -0.23(-0.47%) |
| Feb 09, 2011 | 48.61 | 48.62 | 48.25 | 48.46 | 1,269,115 | -0.23(-0.47%) |
| Feb 08, 2011 | 48.28 | 48.69 | 48.27 | 48.69 | 1,043,347 | +0.26(+0.54%) |
| Feb 07, 2011 | 48.18 | 48.58 | 48.18 | 48.43 | 218,250 | +0.22(+0.46%) |
| Feb 04, 2011 | 48.29 | 48.29 | 47.99 | 48.21 | 285,082 | -0.05(-0.10%) |
| Feb 03, 2011 | 48.09 | 48.29 | 47.77 | 48.26 | 436,967 | +0.09(+0.19%) |
| Feb 02, 2011 | 48.17 | 48.33 | 48.08 | 48.17 | 137,906 | -0.10(-0.21%) |
| Feb 01, 2011 | 47.65 | 48.33 | 47.65 | 48.27 | 354,949 | +0.96(+2.03%) |
| Jan 31, 2011 | 47.02 | 47.37 | 47.02 | 47.31 | 471,127 | +0.48(+1.02%) |
| Jan 28, 2011 | 47.89 | 47.89 | 46.81 | 46.83 | 442,988 | -1.12(-2.34%) |
| Jan 27, 2011 | 47.93 | 48.04 | 47.73 | 47.95 | 558,943 | +0.12(+0.25%) |
| Jan 26, 2011 | 47.90 | 47.98 | 47.67 | 47.83 | 510,572 | +0.21(+0.44%) |
| Jan 25, 2011 | 47.47 | 47.62 | 47.24 | 47.62 | 161,481 | -0.02(-0.04%) |
| Jan 24, 2011 | 47.30 | 47.68 | 47.24 | 47.64 | 558,817 | +0.30(+0.63%) |
| Jan 21, 2011 | 47.40 | 47.56 | 47.25 | 47.34 | 209,508 | +0.10(+0.21%) |
| Jan 20, 2011 | 47.36 | 47.36 | 46.87 | 47.24 | 536,331 | -0.31(-0.65%) |
| Jan 19, 2011 | 48.00 | 48.02 | 47.39 | 47.55 | 850,493 | -0.37(-0.77%) |
| Jan 18, 2011 | 47.81 | 47.93 | 47.70 | 47.92 | 637,453 | +0.15(+0.31%) |
| Jan 14, 2011 | 47.28 | 47.77 | 47.28 | 47.77 | 1,684,595 | +0.36(+0.76%) |
| Jan 13, 2011 | 47.66 | 47.70 | 47.40 | 47.41 | 1,420,935 | -0.03(-0.06%) |
| Jan 12, 2011 | 47.14 | 47.47 | 47.07 | 47.44 | 329,673 | +0.76(+1.63%) |
| Jan 11, 2011 | 46.78 | 46.79 | 46.50 | 46.68 | 378,901 | +0.15(+0.32%) |
| Jan 10, 2011 | 46.33 | 46.56 | 46.14 | 46.53 | 157,973 | -0.11(-0.24%) |
| Jan 07, 2011 | 46.89 | 46.89 | 46.27 | 46.64 | 165,394 | -0.17(-0.36%) |
| Jan 06, 2011 | 47.16 | 47.16 | 46.66 | 46.81 | 1,656,214 | -0.30(-0.64%) |
| Jan 05, 2011 | 46.82 | 47.14 | 46.69 | 47.11 | 346,796 | +0.00(+0.00%) |
| Jan 04, 2011 | 47.38 | 47.38 | 46.79 | 47.11 | 168,449 | -0.05(-0.11%) |
| Jan 03, 2011 | 47.16 | 47.37 | 47.14 | 47.16 | 521,990 | +0.35(+0.75%) |
| Dec 31, 2010 | 46.73 | 46.84 | 46.57 | 46.81 | 306,906 | +0.15(+0.32%) |
| Dec 30, 2010 | 46.69 | 46.69 | 46.44 | 46.66 | 451,889 | +0.05(+0.11%) |
| Dec 29, 2010 | 46.67 | 46.77 | 46.55 | 46.61 | 500,425 | +0.17(+0.37%) |
| Dec 28, 2010 | 46.31 | 46.44 | 46.31 | 46.44 | 249,730 | +0.08(+0.17%) |
| Dec 27, 2010 | 46.25 | 46.41 | 46.13 | 46.36 | 921,587 | -0.01(-0.02%) |
| Dec 23, 2010 | 46.40 | 46.49 | 46.19 | 46.37 | 1,932,748 | -0.02(-0.04%) |
| Dec 22, 2010 | 46.37 | 46.42 | 46.24 | 46.39 | 1,908,063 | +0.09(+0.19%) |
| Dec 21, 2010 | 46.28 | 46.36 | 46.17 | 46.30 | 488,385 | -0.05(-0.11%) |
| Dec 20, 2010 | 46.26 | 46.57 | 46.13 | 46.35 | 428,601 | -0.07(-0.15%) |
| Dec 17, 2010 | 46.30 | 46.42 | 46.12 | 46.42 | 1,282,299 | +0.10(+0.22%) |
| Dec 16, 2010 | 45.97 | 46.36 | 45.97 | 46.32 | 350,148 | +0.22(+0.48%) |
| Dec 15, 2010 | 46.23 | 46.50 | 46.02 | 46.10 | 172,938 | -0.44(-0.95%) |
| Dec 14, 2010 | 46.62 | 46.80 | 46.46 | 46.54 | 725,423 | +0.07(+0.15%) |
| Dec 13, 2010 | 46.57 | 46.74 | 46.39 | 46.47 | 334,417 | +0.33(+0.72%) |
| Dec 10, 2010 | 46.03 | 46.27 | 45.96 | 46.14 | 163,109 | +0.06(+0.13%) |
| Dec 09, 2010 | 46.24 | 46.24 | 45.82 | 46.08 | 269,190 | +0.19(+0.41%) |
| Dec 08, 2010 | 45.86 | 46.02 | 45.62 | 45.89 | 139,567 | +0.09(+0.20%) |
| Dec 07, 2010 | 46.47 | 46.50 | 45.80 | 45.80 | 482,169 | -0.12(-0.26%) |
| Dec 06, 2010 | 45.82 | 46.01 | 45.71 | 45.92 | 115,753 | -0.07(-0.15%) |
| Dec 03, 2010 | 45.68 | 46.01 | 45.59 | 45.99 | 240,730 | +0.24(+0.52%) |
| Dec 02, 2010 | 45.06 | 45.76 | 45.03 | 45.75 | 268,359 | +0.77(+1.71%) |