Historical Prices
| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 29, 2012 | 19.95 | 20.18 | 19.59 | 19.71 | 1,370,877 | -0.16(-0.78%) |
| Feb 28, 2012 | 19.60 | 20.50 | 19.49 | 19.87 | 2,474,292 | +0.38(+1.95%) |
| Feb 27, 2012 | 19.24 | 19.73 | 19.21 | 19.49 | 1,203,531 | -0.01(-0.05%) |
| Feb 24, 2012 | 19.37 | 19.80 | 19.25 | 19.50 | 1,354,829 | +0.11(+0.57%) |
| Feb 23, 2012 | 19.60 | 19.70 | 18.80 | 19.39 | 1,516,245 | -0.02(-0.10%) |
| Feb 22, 2012 | 19.61 | 19.87 | 19.35 | 19.41 | 1,192,094 | -0.43(-2.17%) |
| Feb 21, 2012 | 20.53 | 20.63 | 19.69 | 19.84 | 1,481,229 | -0.42(-2.07%) |
| Feb 17, 2012 | 20.31 | 20.51 | 20.10 | 20.26 | 2,491,624 | -0.04(-0.20%) |
| Feb 16, 2012 | 19.81 | 20.47 | 19.33 | 20.30 | 2,561,012 | +0.79(+4.05%) |
| Feb 15, 2012 | 19.40 | 19.83 | 19.25 | 19.51 | 1,380,697 | +0.16(+0.83%) |
| Feb 14, 2012 | 19.02 | 19.86 | 18.90 | 19.35 | 2,283,661 | -0.10(-0.51%) |
| Feb 13, 2012 | 21.00 | 21.07 | 18.93 | 19.45 | 5,468,279 | -1.58(-7.51%) |
| Feb 10, 2012 | 21.14 | 21.39 | 20.54 | 21.03 | 2,040,588 | -0.14(-0.66%) |
| Feb 09, 2012 | 21.83 | 22.47 | 20.10 | 21.17 | 11,125,730 | -3.41(-13.87%) |
| Feb 08, 2012 | 24.64 | 25.84 | 23.65 | 24.58 | 8,662,971 | +0.39(+1.61%) |
| Feb 07, 2012 | 23.33 | 24.35 | 22.12 | 24.19 | 2,633,110 | +0.68(+2.89%) |
| Feb 06, 2012 | 24.15 | 24.90 | 23.37 | 23.51 | 2,493,551 | -0.92(-3.77%) |
| Feb 03, 2012 | 23.49 | 24.75 | 23.15 | 24.43 | 3,047,955 | +1.35(+5.85%) |
| Feb 02, 2012 | 21.69 | 24.22 | 21.20 | 23.08 | 5,157,192 | +1.59(+7.40%) |
| Feb 01, 2012 | 20.50 | 21.66 | 20.00 | 21.49 | 2,290,108 | +1.10(+5.39%) |
| Jan 31, 2012 | 19.70 | 20.42 | 19.57 | 20.39 | 1,543,069 | +0.76(+3.87%) |
| Jan 30, 2012 | 19.92 | 20.44 | 19.50 | 19.63 | 2,407,308 | -0.41(-2.05%) |
| Jan 27, 2012 | 19.40 | 20.24 | 19.38 | 20.04 | 1,241,373 | +0.51(+2.61%) |
| Jan 26, 2012 | 20.04 | 20.26 | 19.45 | 19.53 | 1,118,714 | -0.55(-2.74%) |
| Jan 25, 2012 | 20.35 | 20.57 | 19.70 | 20.08 | 1,762,867 | -0.52(-2.52%) |
| Jan 24, 2012 | 20.47 | 20.91 | 20.27 | 20.60 | 1,076,745 | -0.16(-0.77%) |
| Jan 23, 2012 | 20.60 | 21.36 | 20.40 | 20.76 | 1,125,200 | -0.09(-0.43%) |
| Jan 20, 2012 | 20.81 | 21.21 | 20.19 | 20.85 | 925,032 | -0.34(-1.60%) |
| Jan 19, 2012 | 20.59 | 21.99 | 20.11 | 21.19 | 1,602,256 | +0.62(+3.01%) |
| Jan 18, 2012 | 19.53 | 21.00 | 19.26 | 20.57 | 1,851,668 | +1.06(+5.43%) |
| Jan 17, 2012 | 19.12 | 19.88 | 18.70 | 19.51 | 1,721,119 | +0.36(+1.88%) |
| Jan 13, 2012 | 19.07 | 19.33 | 18.90 | 19.15 | 856,859 | -0.11(-0.57%) |
| Jan 12, 2012 | 18.65 | 19.66 | 18.59 | 19.26 | 1,342,634 | +0.26(+1.37%) |
| Jan 11, 2012 | 18.92 | 19.76 | 18.34 | 19.00 | 1,684,204 | -0.15(-0.78%) |
| Jan 10, 2012 | 18.99 | 19.39 | 18.78 | 19.15 | 1,524,816 | +0.85(+4.64%) |
| Jan 09, 2012 | 17.47 | 18.60 | 17.24 | 18.30 | 1,770,550 | +0.49(+2.75%) |
| Jan 06, 2012 | 17.90 | 17.97 | 17.50 | 17.81 | 1,461,375 | -0.07(-0.39%) |
| Jan 05, 2012 | 18.56 | 18.66 | 17.21 | 17.88 | 2,735,698 | -0.91(-4.84%) |
| Jan 04, 2012 | 19.19 | 19.23 | 18.52 | 18.79 | 1,454,546 | -1.84(-8.92%) |
| Dec 30, 2011 | 20.59 | 21.66 | 20.01 | 20.63 | 1,239,765 | -0.75(-3.51%) |
| Dec 29, 2011 | 22.90 | 22.91 | 21.16 | 21.38 | 872,970 | -1.24(-5.48%) |
| Dec 28, 2011 | 23.10 | 23.45 | 22.30 | 22.62 | 731,582 | -0.43(-1.87%) |
| Dec 27, 2011 | 22.86 | 23.59 | 22.58 | 23.05 | 771,197 | +0.21(+0.92%) |
| Dec 23, 2011 | 22.19 | 22.98 | 21.90 | 22.84 | 1,228,231 | -0.12(-0.52%) |
| Dec 21, 2011 | 22.75 | 23.25 | 22.11 | 22.96 | 1,028,352 | +0.21(+0.92%) |
| Dec 20, 2011 | 22.50 | 22.90 | 22.10 | 22.75 | 1,104,263 | +0.75(+3.41%) |
| Dec 19, 2011 | 23.01 | 23.37 | 21.68 | 22.00 | 1,129,417 | -1.04(-4.51%) |
| Dec 16, 2011 | 23.44 | 25.15 | 21.50 | 23.04 | 4,532,061 | -0.04(-0.17%) |
| Dec 15, 2011 | 23.50 | 23.50 | 22.63 | 23.08 | 1,135,050 | +0.53(+2.35%) |
| Dec 14, 2011 | 23.00 | 23.20 | 21.10 | 22.55 | 2,341,147 | -0.77(-3.30%) |
| Dec 13, 2011 | 22.95 | 24.50 | 22.30 | 23.32 | 2,334,856 | +1.07(+4.81%) |
| Dec 12, 2011 | 23.34 | 23.34 | 21.27 | 22.25 | 2,276,893 | -1.23(-5.24%) |
| Dec 09, 2011 | 22.73 | 23.49 | 22.00 | 23.48 | 2,730,254 | +1.21(+5.43%) |
| Dec 08, 2011 | 20.76 | 22.90 | 20.25 | 22.27 | 3,115,163 | +1.12(+5.30%) |
| Dec 07, 2011 | 19.48 | 21.67 | 19.20 | 21.15 | 3,511,942 | +1.91(+9.93%) |
| Dec 06, 2011 | 18.80 | 19.51 | 18.80 | 19.24 | 1,670,453 | +0.20(+1.05%) |
| Dec 05, 2011 | 19.42 | 19.48 | 18.40 | 19.04 | 1,793,832 | +0.09(+0.47%) |
| Dec 02, 2011 | 19.50 | 20.82 | 17.90 | 18.95 | 3,659,224 | +0.00(+0.00%) |
