Historical Prices
| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 29, 2012 | 18.20 | 18.50 | 18.07 | 18.07 | 259,890 | -0.16(-0.88%) |
| Feb 28, 2012 | 18.61 | 18.68 | 18.20 | 18.23 | 260,115 | -0.41(-2.20%) |
| Feb 27, 2012 | 18.98 | 19.02 | 18.62 | 18.64 | 297,764 | -0.31(-1.64%) |
| Feb 24, 2012 | 18.81 | 19.00 | 18.76 | 18.95 | 285,105 | +0.19(+1.01%) |
| Feb 23, 2012 | 18.56 | 18.83 | 18.50 | 18.76 | 191,463 | +0.21(+1.13%) |
| Feb 22, 2012 | 19.01 | 19.04 | 18.54 | 18.55 | 286,306 | -0.37(-1.96%) |
| Feb 21, 2012 | 18.50 | 18.99 | 18.41 | 18.92 | 517,077 | +0.61(+3.33%) |
| Feb 17, 2012 | 18.06 | 18.43 | 17.80 | 18.31 | 454,955 | +0.36(+2.01%) |
| Feb 16, 2012 | 17.56 | 18.08 | 17.48 | 17.95 | 413,986 | +0.35(+1.99%) |
| Feb 15, 2012 | 17.94 | 18.00 | 17.42 | 17.60 | 612,847 | -0.30(-1.68%) |
| Feb 14, 2012 | 18.05 | 18.20 | 17.88 | 17.90 | 603,622 | -0.17(-0.94%) |
| Feb 13, 2012 | 18.38 | 18.46 | 18.00 | 18.07 | 482,854 | -0.31(-1.69%) |
| Feb 10, 2012 | 18.48 | 18.50 | 18.26 | 18.38 | 298,261 | -0.12(-0.65%) |
| Feb 09, 2012 | 18.56 | 18.63 | 18.36 | 18.50 | 284,839 | -0.02(-0.11%) |
| Feb 08, 2012 | 18.62 | 18.67 | 18.33 | 18.52 | 226,067 | -0.17(-0.91%) |
| Feb 07, 2012 | 18.59 | 18.79 | 18.53 | 18.69 | 408,588 | +0.13(+0.70%) |
| Feb 06, 2012 | 18.70 | 18.80 | 18.11 | 18.56 | 700,853 | -0.26(-1.38%) |
| Feb 03, 2012 | 19.20 | 19.29 | 18.78 | 18.82 | 552,591 | -0.47(-2.44%) |
| Feb 02, 2012 | 19.38 | 19.42 | 19.10 | 19.29 | 323,401 | -0.13(-0.67%) |
| Feb 01, 2012 | 19.24 | 19.46 | 19.20 | 19.42 | 351,166 | +0.02(+0.10%) |
| Jan 31, 2012 | 19.82 | 19.82 | 19.35 | 19.40 | 363,631 | -0.34(-1.72%) |
| Jan 30, 2012 | 19.70 | 19.80 | 19.56 | 19.74 | 252,263 | -0.01(-0.05%) |
| Jan 27, 2012 | 19.64 | 19.78 | 19.41 | 19.75 | 257,201 | +0.05(+0.25%) |
| Jan 26, 2012 | 19.95 | 19.99 | 19.46 | 19.70 | 454,727 | -0.07(-0.35%) |
| Jan 25, 2012 | 19.13 | 19.78 | 19.00 | 19.77 | 488,863 | +0.69(+3.62%) |
| Jan 24, 2012 | 19.01 | 19.62 | 18.93 | 19.08 | 776,172 | +0.09(+0.47%) |
| Jan 23, 2012 | 18.61 | 19.10 | 18.51 | 18.99 | 693,730 | +0.84(+4.63%) |
| Jan 20, 2012 | 18.36 | 18.55 | 18.01 | 18.15 | 765,684 | -0.21(-1.14%) |
| Jan 19, 2012 | 19.28 | 19.28 | 17.79 | 18.36 | 1,605,155 | -0.81(-4.23%) |
| Jan 18, 2012 | 20.24 | 20.39 | 19.12 | 19.17 | 966,447 | -1.07(-5.29%) |
| Jan 17, 2012 | 20.84 | 20.89 | 20.24 | 20.24 | 407,169 | -0.49(-2.36%) |
| Jan 13, 2012 | 20.74 | 20.83 | 20.62 | 20.73 | 360,120 | -0.21(-1.00%) |
| Jan 12, 2012 | 21.27 | 21.31 | 20.75 | 20.94 | 563,392 | -0.38(-1.78%) |
| Jan 11, 2012 | 21.49 | 21.50 | 21.04 | 21.32 | 420,493 | -0.26(-1.20%) |
| Jan 10, 2012 | 21.96 | 22.13 | 21.40 | 21.58 | 414,794 | -0.34(-1.55%) |
| Jan 09, 2012 | 22.13 | 22.25 | 21.91 | 21.92 | 337,533 | -0.18(-0.83%) |
| Jan 06, 2012 | 22.29 | 22.45 | 22.07 | 22.10 | 156,788 | -0.15(-0.66%) |
| Jan 05, 2012 | 22.53 | 22.61 | 22.22 | 22.25 | 202,173 | -0.30(-1.33%) |
| Jan 04, 2012 | 22.75 | 22.82 | 22.50 | 22.55 | 208,509 | -0.21(-0.92%) |
| Dec 30, 2011 | 22.96 | 23.20 | 22.50 | 22.76 | 277,722 | -0.20(-0.89%) |
| Dec 29, 2011 | 22.91 | 23.04 | 22.65 | 22.96 | 220,650 | +0.00(+0.02%) |
| Dec 28, 2011 | 23.45 | 23.46 | 22.88 | 22.96 | 148,831 | -0.81(-3.41%) |
| Dec 27, 2011 | 23.55 | 23.86 | 23.37 | 23.77 | 95,815 | +0.21(+0.89%) |
| Dec 23, 2011 | 23.28 | 23.60 | 23.26 | 23.56 | 104,865 | +0.32(+1.38%) |
| Dec 21, 2011 | 23.16 | 23.27 | 22.95 | 23.24 | 149,449 | +0.17(+0.73%) |
| Dec 20, 2011 | 23.01 | 23.20 | 22.96 | 23.07 | 115,659 | +0.35(+1.55%) |
| Dec 19, 2011 | 23.32 | 23.32 | 22.61 | 22.72 | 140,342 | -0.29(-1.26%) |
| Dec 16, 2011 | 22.90 | 23.05 | 22.87 | 23.01 | 96,438 | +0.14(+0.61%) |
| Dec 15, 2011 | 23.04 | 23.14 | 22.77 | 22.87 | 78,560 | +0.02(+0.09%) |
| Dec 14, 2011 | 23.15 | 23.25 | 22.64 | 22.85 | 152,982 | -0.35(-1.51%) |
| Dec 13, 2011 | 23.44 | 23.63 | 23.10 | 23.20 | 91,491 | -0.16(-0.68%) |
| Dec 12, 2011 | 23.59 | 23.66 | 23.09 | 23.36 | 163,452 | -0.38(-1.60%) |
| Dec 09, 2011 | 24.08 | 24.16 | 23.63 | 23.74 | 148,295 | -0.18(-0.75%) |
| Dec 08, 2011 | 23.98 | 24.17 | 23.90 | 23.92 | 231,668 | -0.04(-0.17%) |
| Dec 07, 2011 | 23.96 | 24.06 | 23.96 | 23.96 | 94,637 | -0.06(-0.25%) |
| Dec 06, 2011 | 24.01 | 24.05 | 23.91 | 24.02 | 131,416 | -0.04(-0.17%) |
| Dec 05, 2011 | 24.19 | 24.19 | 23.90 | 24.06 | 107,798 | +0.14(+0.59%) |
| Dec 02, 2011 | 24.10 | 24.32 | 23.80 | 23.92 | 115,833 | -0.04(-0.17%) |
