Historical Prices
| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 28, 2011 | 48.30 | 48.41 | 48.05 | 48.28 | 337,403 | +0.39(+0.81%) |
| Feb 25, 2011 | 47.93 | 47.98 | 47.75 | 47.89 | 259,709 | +0.24(+0.50%) |
| Feb 24, 2011 | 47.70 | 47.79 | 47.38 | 47.65 | 384,082 | -0.15(-0.31%) |
| Feb 23, 2011 | 47.98 | 48.05 | 47.50 | 47.80 | 728,645 | -0.15(-0.31%) |
| Feb 22, 2011 | 48.18 | 48.51 | 47.79 | 47.95 | 453,876 | -1.27(-2.58%) |
| Feb 18, 2011 | 49.11 | 49.30 | 49.00 | 49.22 | 208,089 | -0.07(-0.14%) |
| Feb 17, 2011 | 48.96 | 49.35 | 48.73 | 49.29 | 620,802 | +1.75(+3.68%) |
| Feb 16, 2011 | 47.40 | 47.59 | 47.24 | 47.54 | 494,538 | +0.57(+1.21%) |
| Feb 15, 2011 | 47.10 | 47.12 | 46.60 | 46.97 | 1,205,372 | -0.89(-1.86%) |
| Feb 14, 2011 | 48.01 | 48.03 | 47.67 | 47.86 | 530,704 | -0.12(-0.25%) |
| Feb 11, 2011 | 47.60 | 48.08 | 47.40 | 47.98 | 154,081 | +0.20(+0.42%) |
| Feb 10, 2011 | 47.39 | 47.92 | 47.39 | 47.78 | 136,300 | -0.08(-0.17%) |
| Feb 09, 2011 | 47.73 | 48.08 | 47.68 | 47.86 | 1,097,362 | -0.04(-0.08%) |
| Feb 08, 2011 | 48.06 | 48.11 | 47.83 | 47.90 | 330,039 | -0.17(-0.35%) |
| Feb 07, 2011 | 48.15 | 48.30 | 48.01 | 48.07 | 330,653 | -0.46(-0.95%) |
| Feb 04, 2011 | 48.54 | 48.63 | 48.25 | 48.53 | 313,567 | -0.55(-1.12%) |
| Feb 03, 2011 | 48.84 | 49.16 | 48.50 | 49.08 | 292,866 | +0.21(+0.43%) |
| Feb 02, 2011 | 49.00 | 49.14 | 48.78 | 48.87 | 269,130 | -0.19(-0.39%) |
| Feb 01, 2011 | 48.96 | 49.22 | 48.86 | 49.06 | 394,502 | -0.10(-0.20%) |
| Jan 31, 2011 | 49.29 | 49.33 | 48.99 | 49.16 | 187,282 | +0.38(+0.78%) |
| Jan 28, 2011 | 49.70 | 49.74 | 48.54 | 48.78 | 433,622 | -2.07(-4.07%) |
| Jan 27, 2011 | 50.76 | 51.22 | 50.42 | 50.85 | 602,703 | +0.78(+1.56%) |
| Jan 26, 2011 | 50.04 | 50.39 | 49.92 | 50.07 | 279,035 | +0.01(+0.02%) |
| Jan 25, 2011 | 49.83 | 50.06 | 49.61 | 50.06 | 218,854 | +0.08(+0.16%) |
| Jan 24, 2011 | 49.51 | 50.04 | 49.49 | 49.98 | 560,250 | +0.64(+1.30%) |
| Jan 21, 2011 | 49.57 | 49.70 | 49.25 | 49.34 | 248,599 | -0.46(-0.92%) |
| Jan 20, 2011 | 49.85 | 50.17 | 49.37 | 49.80 | 358,966 | -0.84(-1.66%) |
| Jan 19, 2011 | 50.86 | 51.01 | 50.53 | 50.64 | 274,443 | -0.22(-0.43%) |
| Jan 18, 2011 | 50.98 | 51.05 | 50.64 | 50.86 | 357,778 | -0.62(-1.20%) |
| Jan 14, 2011 | 50.74 | 51.52 | 50.68 | 51.48 | 668,052 | +0.54(+1.06%) |
| Jan 13, 2011 | 51.11 | 51.28 | 50.90 | 50.94 | 232,834 | +0.43(+0.85%) |
| Jan 12, 2011 | 50.25 | 50.69 | 50.17 | 50.51 | 290,075 | +0.21(+0.42%) |
| Jan 11, 2011 | 50.40 | 50.40 | 50.07 | 50.30 | 353,995 | -0.18(-0.36%) |
| Jan 10, 2011 | 50.50 | 50.65 | 50.14 | 50.48 | 135,110 | -0.07(-0.14%) |
| Jan 07, 2011 | 51.00 | 51.00 | 50.19 | 50.55 | 256,227 | -0.70(-1.37%) |
| Jan 06, 2011 | 51.55 | 51.61 | 51.11 | 51.25 | 159,209 | -0.22(-0.43%) |
| Jan 05, 2011 | 50.91 | 51.67 | 50.91 | 51.47 | 305,544 | -0.37(-0.71%) |
| Jan 04, 2011 | 52.02 | 52.06 | 51.39 | 51.84 | 337,875 | -0.42(-0.80%) |
| Jan 03, 2011 | 52.01 | 52.30 | 51.74 | 52.26 | 186,366 | +0.92(+1.79%) |
| Dec 31, 2010 | 51.14 | 51.69 | 51.14 | 51.34 | 114,348 | +0.14(+0.27%) |
| Dec 30, 2010 | 51.42 | 51.56 | 51.15 | 51.20 | 103,644 | -0.10(-0.19%) |
| Dec 29, 2010 | 51.38 | 51.58 | 51.30 | 51.30 | 177,077 | -0.20(-0.39%) |
| Dec 28, 2010 | 51.65 | 51.77 | 51.21 | 51.50 | 308,485 | -0.35(-0.68%) |
| Dec 27, 2010 | 51.31 | 52.15 | 51.31 | 51.85 | 327,229 | +1.13(+2.23%) |
| Dec 23, 2010 | 50.63 | 51.05 | 50.52 | 50.72 | 183,143 | -0.09(-0.18%) |
| Dec 22, 2010 | 50.90 | 50.97 | 50.68 | 50.81 | 204,996 | +0.55(+1.09%) |
| Dec 21, 2010 | 49.41 | 50.33 | 49.98 | 50.26 | 250,238 | +0.85(+1.72%) |
| Dec 20, 2010 | 49.30 | 49.53 | 49.14 | 49.41 | 118,476 | -0.09(-0.18%) |
| Dec 17, 2010 | 49.25 | 49.56 | 49.23 | 49.50 | 136,943 | -0.16(-0.32%) |
| Dec 16, 2010 | 48.97 | 49.78 | 48.91 | 49.66 | 256,621 | +0.88(+1.80%) |
| Dec 15, 2010 | 48.84 | 49.03 | 48.45 | 48.78 | 225,648 | -0.01(-0.02%) |
| Dec 14, 2010 | 48.83 | 49.05 | 48.67 | 48.79 | 355,470 | -0.21(-0.43%) |
| Dec 13, 2010 | 49.20 | 49.25 | 48.93 | 49.00 | 319,452 | +0.01(+0.02%) |
| Dec 10, 2010 | 48.90 | 49.09 | 48.76 | 48.99 | 208,235 | +0.01(+0.02%) |
| Dec 09, 2010 | 49.12 | 49.25 | 48.92 | 48.98 | 314,598 | +0.19(+0.39%) |
| Dec 08, 2010 | 48.67 | 48.87 | 48.49 | 48.79 | 165,395 | -0.14(-0.29%) |
| Dec 07, 2010 | 49.34 | 49.48 | 48.85 | 48.93 | 294,866 | -0.22(-0.45%) |
| Dec 06, 2010 | 49.26 | 49.30 | 48.99 | 49.15 | 171,488 | -0.47(-0.95%) |
| Dec 03, 2010 | 49.24 | 49.66 | 49.07 | 49.62 | 729,707 | +0.67(+1.37%) |
| Dec 02, 2010 | 48.23 | 49.07 | 48.21 | 48.95 | 252,516 | +1.03(+2.15%) |
