Historical Prices
| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Apr 30, 2012 | 22.93 | 22.96 | 21.64 | 22.18 | 3,074,579 | -0.87(-3.77%) |
| Apr 27, 2012 | 22.54 | 23.05 | 22.15 | 23.05 | 2,497,213 | +0.57(+2.54%) |
| Apr 26, 2012 | 22.18 | 22.70 | 21.97 | 22.48 | 1,461,732 | +0.32(+1.44%) |
| Apr 25, 2012 | 21.91 | 22.23 | 21.70 | 22.16 | 2,510,487 | +0.90(+4.23%) |
| Apr 24, 2012 | 21.34 | 21.62 | 20.84 | 21.26 | 1,526,190 | -0.14(-0.65%) |
| Apr 23, 2012 | 21.40 | 21.44 | 21.08 | 21.40 | 1,374,167 | -0.33(-1.52%) |
| Apr 20, 2012 | 21.87 | 22.00 | 21.54 | 21.73 | 2,458,162 | +0.09(+0.42%) |
| Apr 19, 2012 | 21.70 | 21.97 | 21.34 | 21.64 | 2,309,483 | -0.17(-0.78%) |
| Apr 18, 2012 | 21.20 | 21.93 | 21.17 | 21.81 | 2,534,766 | +0.46(+2.15%) |
| Apr 17, 2012 | 21.25 | 21.57 | 21.18 | 21.35 | 1,571,452 | +0.26(+1.23%) |
| Apr 16, 2012 | 21.25 | 21.40 | 20.68 | 21.09 | 1,855,008 | -0.01(-0.05%) |
| Apr 13, 2012 | 21.00 | 21.20 | 20.67 | 21.10 | 2,060,341 | +0.06(+0.29%) |
| Apr 12, 2012 | 20.58 | 21.19 | 20.53 | 21.04 | 1,591,421 | +0.42(+2.04%) |
| Apr 11, 2012 | 20.69 | 20.85 | 20.50 | 20.62 | 2,700,370 | +0.18(+0.88%) |
| Apr 10, 2012 | 21.39 | 21.39 | 20.14 | 20.44 | 2,715,750 | -0.97(-4.53%) |
| Apr 09, 2012 | 21.28 | 21.50 | 21.01 | 21.41 | 2,104,282 | -0.19(-0.88%) |
| Apr 05, 2012 | 21.73 | 21.89 | 21.49 | 21.60 | 2,620,005 | -0.31(-1.41%) |
| Apr 04, 2012 | 22.17 | 22.28 | 21.64 | 21.91 | 1,914,512 | -0.44(-1.97%) |
| Apr 03, 2012 | 21.87 | 22.70 | 21.87 | 22.35 | 3,066,689 | +0.35(+1.59%) |
| Apr 02, 2012 | 21.62 | 22.26 | 21.58 | 22.00 | 2,362,712 | +0.38(+1.76%) |
| Mar 30, 2012 | 21.94 | 22.04 | 21.20 | 21.62 | 1,554,993 | -0.24(-1.10%) |
| Mar 29, 2012 | 21.87 | 22.03 | 21.54 | 21.86 | 1,609,000 | -0.15(-0.68%) |
| Mar 28, 2012 | 22.10 | 22.19 | 21.62 | 22.01 | 2,682,542 | +0.46(+2.13%) |
| Mar 27, 2012 | 21.70 | 21.87 | 21.47 | 21.55 | 2,124,697 | -0.18(-0.83%) |
| Mar 26, 2012 | 21.28 | 21.83 | 21.08 | 21.73 | 2,365,830 | +0.58(+2.74%) |
| Mar 23, 2012 | 20.65 | 21.19 | 20.18 | 21.15 | 1,992,776 | +0.44(+2.12%) |
| Mar 22, 2012 | 20.57 | 20.95 | 20.44 | 20.71 | 1,192,732 | -0.05(-0.24%) |
| Mar 21, 2012 | 20.86 | 20.88 | 20.60 | 20.76 | 1,497,752 | -0.02(-0.10%) |
| Mar 20, 2012 | 20.12 | 20.95 | 20.04 | 20.78 | 1,901,471 | +0.49(+2.41%) |
| Mar 19, 2012 | 20.34 | 20.58 | 20.14 | 20.29 | 1,860,148 | -0.13(-0.64%) |
| Mar 16, 2012 | 21.33 | 21.33 | 20.42 | 20.42 | 2,896,228 | -0.91(-4.27%) |
| Mar 15, 2012 | 20.41 | 21.40 | 20.34 | 21.33 | 2,987,404 | +0.88(+4.30%) |
| Mar 14, 2012 | 20.33 | 20.51 | 20.05 | 20.45 | 2,420,553 | +0.12(+0.59%) |
| Mar 13, 2012 | 20.00 | 20.33 | 19.69 | 20.33 | 2,927,150 | +0.40(+2.01%) |
| Mar 12, 2012 | 19.55 | 19.95 | 19.43 | 19.93 | 2,179,628 | +0.38(+1.94%) |
| Mar 09, 2012 | 19.20 | 19.74 | 19.16 | 19.55 | 4,814,414 | +0.60(+3.17%) |
| Mar 08, 2012 | 19.23 | 19.44 | 18.89 | 18.95 | 3,292,098 | -0.09(-0.47%) |
| Mar 07, 2012 | 18.47 | 19.04 | 18.31 | 19.04 | 3,559,774 | +0.88(+4.85%) |
| Mar 06, 2012 | 18.46 | 18.58 | 17.94 | 18.16 | 2,039,504 | -0.47(-2.52%) |
| Mar 05, 2012 | 18.13 | 18.65 | 17.86 | 18.63 | 3,467,325 | +0.52(+2.87%) |
| Mar 02, 2012 | 18.42 | 18.50 | 17.95 | 18.11 | 2,176,651 | -0.28(-1.52%) |
| Mar 01, 2012 | 18.26 | 18.76 | 18.26 | 18.39 | 2,315,300 | +0.42(+2.34%) |
| Feb 29, 2012 | 18.56 | 19.00 | 17.97 | 17.97 | 3,687,679 | -0.49(-2.65%) |
| Feb 28, 2012 | 17.52 | 18.55 | 17.42 | 18.46 | 3,470,317 | +0.92(+5.25%) |
| Feb 27, 2012 | 17.30 | 17.63 | 17.17 | 17.54 | 1,928,557 | +0.10(+0.57%) |
| Feb 24, 2012 | 17.38 | 17.75 | 17.20 | 17.44 | 1,231,876 | -0.01(-0.06%) |
| Feb 23, 2012 | 17.10 | 17.56 | 16.95 | 17.45 | 1,517,541 | +0.30(+1.75%) |
| Feb 22, 2012 | 17.50 | 17.60 | 17.06 | 17.15 | 1,485,227 | -0.36(-2.06%) |
| Feb 21, 2012 | 17.81 | 17.94 | 17.26 | 17.51 | 1,698,584 | -0.24(-1.35%) |
| Feb 17, 2012 | 17.71 | 18.04 | 17.54 | 17.75 | 2,553,228 | +0.08(+0.45%) |
| Feb 16, 2012 | 17.41 | 17.69 | 17.33 | 17.67 | 1,749,945 | +0.24(+1.38%) |
| Feb 15, 2012 | 17.72 | 18.20 | 17.42 | 17.43 | 2,385,206 | -0.13(-0.74%) |
| Feb 14, 2012 | 17.51 | 17.68 | 17.27 | 17.56 | 1,441,088 | +0.01(+0.06%) |
| Feb 13, 2012 | 17.37 | 17.75 | 17.18 | 17.55 | 1,821,800 | +0.38(+2.21%) |
| Feb 10, 2012 | 16.76 | 17.45 | 16.75 | 17.17 | 2,745,870 | +0.26(+1.54%) |
| Feb 09, 2012 | 16.72 | 16.96 | 16.50 | 16.91 | 1,445,356 | +0.32(+1.93%) |
| Feb 08, 2012 | 16.94 | 17.00 | 16.50 | 16.59 | 1,362,270 | -0.29(-1.72%) |
| Feb 07, 2012 | 16.41 | 16.96 | 16.18 | 16.88 | 2,383,864 | +0.44(+2.68%) |
| Feb 06, 2012 | 16.59 | 16.76 | 16.26 | 16.44 | 1,746,845 | -0.20(-1.20%) |
| Feb 03, 2012 | 17.03 | 17.15 | 16.64 | 16.64 | 3,494,614 | -0.19(-1.13%) |
| Feb 02, 2012 | 16.68 | 17.12 | 16.68 | 16.83 | 2,141,614 | +0.06(+0.36%) |
