| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Apr 30, 2012 | 15.81 | 16.25 | 15.45 | 16.13 | 8,658,051 | +0.26(+1.64%) |
| Apr 27, 2012 | 16.60 | 16.62 | 15.75 | 15.87 | 11,947,293 | -0.64(-3.88%) |
| Apr 26, 2012 | 16.33 | 16.75 | 16.20 | 16.51 | 7,537,916 | -0.06(-0.36%) |
| Apr 25, 2012 | 16.69 | 16.72 | 15.94 | 16.57 | 11,639,057 | +0.15(+0.91%) |
| Apr 24, 2012 | 16.29 | 16.86 | 15.92 | 16.42 | 11,815,872 | +0.30(+1.86%) |
| Apr 23, 2012 | 15.62 | 16.24 | 15.33 | 16.12 | 14,838,306 | -0.03(-0.19%) |
| Apr 20, 2012 | 17.10 | 17.30 | 16.10 | 16.15 | 14,469,119 | -0.67(-3.98%) |
| Apr 19, 2012 | 16.38 | 17.00 | 16.34 | 16.82 | 17,464,450 | +0.62(+3.83%) |
| Apr 18, 2012 | 16.48 | 16.74 | 15.93 | 16.20 | 15,026,064 | +0.06(+0.37%) |
| Apr 17, 2012 | 15.69 | 16.75 | 15.69 | 16.14 | 17,292,273 | +0.61(+3.93%) |
| Apr 16, 2012 | 16.15 | 16.25 | 15.42 | 15.53 | 14,682,978 | -0.13(-0.83%) |
| Apr 13, 2012 | 16.14 | 16.30 | 15.36 | 15.66 | 21,675,010 | -0.42(-2.61%) |
| Apr 12, 2012 | 14.91 | 16.17 | 14.90 | 16.08 | 21,830,813 | +1.45(+9.91%) |
| Apr 11, 2012 | 14.63 | 15.19 | 14.53 | 14.63 | 17,215,044 | +0.36(+2.52%) |
| Apr 10, 2012 | 14.13 | 14.39 | 13.80 | 14.27 | 18,813,938 | +0.21(+1.49%) |
| Apr 09, 2012 | 14.00 | 14.50 | 13.85 | 14.06 | 12,848,207 | -0.14(-0.99%) |
| Apr 05, 2012 | 14.67 | 14.89 | 14.05 | 14.20 | 14,161,891 | -0.56(-3.79%) |
| Apr 04, 2012 | 14.47 | 15.01 | 14.37 | 14.76 | 12,883,628 | +0.07(+0.48%) |
| Apr 03, 2012 | 15.39 | 15.39 | 14.58 | 14.69 | 17,723,819 | -0.78(-5.04%) |
| Apr 02, 2012 | 15.19 | 15.98 | 15.00 | 15.47 | 12,886,105 | +0.26(+1.71%) |
| Mar 30, 2012 | 15.59 | 15.59 | 14.80 | 15.21 | 9,108,263 | -0.05(-0.33%) |
| Mar 29, 2012 | 14.64 | 15.35 | 14.54 | 15.26 | 15,697,085 | +0.39(+2.62%) |
| Mar 28, 2012 | 15.46 | 15.54 | 14.62 | 14.87 | 14,854,973 | -0.65(-4.19%) |
| Mar 27, 2012 | 15.72 | 15.99 | 15.50 | 15.52 | 7,561,040 | -0.16(-1.02%) |
| Mar 26, 2012 | 16.22 | 16.23 | 15.36 | 15.68 | 12,767,945 | -0.30(-1.88%) |
| Mar 23, 2012 | 15.83 | 16.44 | 15.61 | 15.98 | 11,038,481 | -0.05(-0.31%) |
| Mar 22, 2012 | 16.35 | 16.41 | 15.80 | 16.03 | 10,468,956 | -0.67(-4.01%) |
| Mar 21, 2012 | 16.65 | 16.98 | 16.41 | 16.70 | 7,916,904 | +0.09(+0.54%) |
| Mar 20, 2012 | 17.02 | 17.02 | 16.23 | 16.61 | 10,251,005 | -0.71(-4.10%) |
| Mar 19, 2012 | 17.25 | 17.79 | 17.20 | 17.32 | 10,934,269 | -0.04(-0.23%) |
| Mar 16, 2012 | 16.87 | 17.78 | 16.75 | 17.36 | 16,620,748 | +0.68(+4.08%) |
| Mar 15, 2012 | 15.80 | 16.76 | 15.60 | 16.68 | 16,459,926 | +0.91(+5.77%) |
| Mar 14, 2012 | 16.20 | 16.39 | 15.62 | 15.77 | 10,969,620 | -0.43(-2.65%) |
| Mar 13, 2012 | 15.92 | 16.35 | 15.65 | 16.20 | 9,318,188 | +0.44(+2.79%) |
| Mar 12, 2012 | 16.34 | 16.69 | 15.75 | 15.76 | 10,067,210 | -0.67(-4.08%) |
| Mar 09, 2012 | 16.10 | 16.84 | 15.95 | 16.43 | 10,913,931 | +0.37(+2.30%) |
| Mar 08, 2012 | 16.37 | 16.54 | 15.74 | 16.06 | 11,459,644 | -0.19(-1.17%) |
| Mar 07, 2012 | 16.53 | 16.57 | 16.09 | 16.25 | 11,403,256 | +0.06(+0.37%) |
| Mar 06, 2012 | 15.85 | 16.54 | 15.52 | 16.19 | 18,768,080 | -0.16(-0.98%) |
| Mar 05, 2012 | 17.26 | 17.32 | 16.21 | 16.35 | 17,258,298 | -1.05(-6.03%) |
| Mar 02, 2012 | 18.41 | 18.44 | 17.33 | 17.40 | 14,092,053 | -1.05(-5.69%) |
| Mar 01, 2012 | 18.78 | 18.99 | 18.40 | 18.45 | 8,312,763 | -0.11(-0.59%) |
| Feb 29, 2012 | 19.23 | 19.52 | 18.47 | 18.56 | 11,785,762 | -0.66(-3.43%) |
| Feb 28, 2012 | 19.75 | 19.81 | 18.95 | 19.22 | 11,780,618 | -0.51(-2.58%) |
| Feb 27, 2012 | 20.10 | 20.27 | 19.55 | 19.73 | 13,635,190 | -0.73(-3.57%) |
| Feb 24, 2012 | 19.22 | 20.49 | 18.79 | 20.46 | 27,206,133 | +0.64(+3.23%) |
| Feb 23, 2012 | 19.46 | 19.85 | 19.18 | 19.82 | 9,604,375 | +0.33(+1.69%) |
| Feb 22, 2012 | 19.93 | 20.26 | 19.41 | 19.49 | 9,160,376 | -0.55(-2.74%) |
| Feb 21, 2012 | 20.40 | 20.70 | 19.94 | 20.04 | 9,508,141 | -0.07(-0.35%) |
| Feb 17, 2012 | 21.12 | 21.19 | 20.00 | 20.11 | 8,556,893 | -0.79(-3.78%) |
| Feb 16, 2012 | 20.54 | 20.97 | 19.91 | 20.90 | 8,601,038 | +0.44(+2.15%) |
| Feb 15, 2012 | 20.20 | 20.60 | 19.80 | 20.46 | 10,066,632 | +0.51(+2.56%) |
| Feb 14, 2012 | 20.49 | 20.49 | 19.59 | 19.95 | 10,859,727 | -0.61(-2.97%) |
| Feb 13, 2012 | 21.44 | 21.45 | 20.31 | 20.56 | 9,485,943 | -0.48(-2.28%) |
| Feb 10, 2012 | 21.77 | 22.05 | 20.85 | 21.04 | 12,981,336 | -1.36(-6.07%) |
| Feb 09, 2012 | 22.05 | 22.45 | 21.48 | 22.40 | 11,071,125 | +0.55(+2.52%) |
| Feb 08, 2012 | 22.45 | 23.08 | 21.76 | 21.85 | 12,213,514 | -0.46(-2.06%) |
| Feb 07, 2012 | 23.39 | 23.49 | 22.20 | 22.31 | 11,351,713 | -1.23(-5.23%) |
| Feb 06, 2012 | 22.10 | 23.68 | 22.01 | 23.54 | 14,678,877 | +0.76(+3.34%) |
| Feb 03, 2012 | 22.43 | 22.89 | 21.90 | 22.78 | 13,523,829 | +1.14(+5.27%) |
| Feb 02, 2012 | 20.15 | 21.97 | 20.08 | 21.64 | 15,633,833 | +1.52(+7.55%) |