| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| May 31, 2012 | 14.69 | 14.69 | 13.45 | 13.78 | 664,309 | -1.00(-6.77%) |
| May 30, 2012 | 15.82 | 15.82 | 14.01 | 14.78 | 1,385,383 | -1.20(-7.51%) |
| May 29, 2012 | 16.35 | 16.36 | 15.93 | 15.98 | 339,456 | -0.44(-2.68%) |
| May 25, 2012 | 16.36 | 16.59 | 16.35 | 16.42 | 139,788 | +0.03(+0.18%) |
| May 24, 2012 | 16.46 | 16.55 | 16.11 | 16.39 | 135,880 | -0.05(-0.30%) |
| May 23, 2012 | 16.38 | 16.47 | 15.90 | 16.44 | 362,027 | -0.06(-0.36%) |
| May 22, 2012 | 17.33 | 17.44 | 16.46 | 16.50 | 603,785 | -0.85(-4.90%) |
| May 21, 2012 | 17.50 | 17.71 | 17.11 | 17.35 | 196,799 | -0.12(-0.69%) |
| May 18, 2012 | 16.58 | 17.48 | 16.50 | 17.47 | 331,921 | +0.94(+5.69%) |
| May 17, 2012 | 17.36 | 17.47 | 16.50 | 16.53 | 448,715 | -0.82(-4.73%) |
| May 16, 2012 | 17.68 | 17.95 | 17.27 | 17.35 | 201,349 | -0.36(-2.03%) |
| May 15, 2012 | 17.71 | 17.89 | 17.50 | 17.71 | 210,038 | +0.09(+0.51%) |
| May 14, 2012 | 18.17 | 18.24 | 17.51 | 17.62 | 197,506 | -0.41(-2.27%) |
| May 11, 2012 | 18.36 | 18.49 | 17.97 | 18.03 | 204,690 | -0.33(-1.80%) |
| May 10, 2012 | 18.94 | 18.94 | 17.98 | 18.36 | 507,415 | +0.32(+1.77%) |
| May 09, 2012 | 17.16 | 18.20 | 17.02 | 18.04 | 427,472 | +0.80(+4.64%) |
| May 08, 2012 | 17.34 | 17.34 | 16.76 | 17.24 | 276,784 | -0.10(-0.58%) |
| May 07, 2012 | 17.05 | 17.36 | 16.93 | 17.34 | 251,572 | +0.19(+1.11%) |
| May 04, 2012 | 17.06 | 17.31 | 16.95 | 17.15 | 205,692 | -0.03(-0.17%) |
| May 03, 2012 | 17.57 | 17.68 | 17.12 | 17.18 | 287,190 | -0.31(-1.77%) |
| May 02, 2012 | 17.80 | 18.27 | 17.40 | 17.49 | 266,351 | -0.41(-2.29%) |
| May 01, 2012 | 16.90 | 18.18 | 16.82 | 17.90 | 648,957 | +0.96(+5.67%) |
| Apr 30, 2012 | 16.61 | 16.98 | 16.30 | 16.94 | 329,612 | +0.49(+2.98%) |
| Apr 27, 2012 | 16.32 | 16.50 | 16.13 | 16.45 | 318,838 | +0.16(+0.98%) |
| Apr 26, 2012 | 15.80 | 16.38 | 15.80 | 16.29 | 461,378 | +0.49(+3.10%) |
| Apr 25, 2012 | 15.99 | 16.22 | 15.70 | 15.80 | 637,794 | -0.16(-1.00%) |
| Apr 24, 2012 | 16.23 | 16.23 | 15.92 | 15.96 | 718,927 | -0.31(-1.91%) |
| Apr 23, 2012 | 16.78 | 16.78 | 15.90 | 16.27 | 1,228,641 | -1.03(-5.95%) |
| Apr 20, 2012 | 16.97 | 17.40 | 16.74 | 17.30 | 330,521 | +0.57(+3.41%) |
| Apr 19, 2012 | 16.49 | 16.85 | 16.30 | 16.73 | 313,798 | +0.21(+1.27%) |
| Apr 18, 2012 | 16.79 | 16.84 | 16.40 | 16.52 | 582,839 | -0.44(-2.59%) |
| Apr 17, 2012 | 17.32 | 17.45 | 16.85 | 16.96 | 483,780 | -0.31(-1.80%) |
| Apr 16, 2012 | 18.16 | 18.39 | 17.22 | 17.27 | 539,713 | -0.82(-4.53%) |
| Apr 13, 2012 | 18.35 | 18.44 | 18.02 | 18.09 | 138,725 | -0.15(-0.82%) |
| Apr 12, 2012 | 18.10 | 18.41 | 17.97 | 18.24 | 344,428 | +0.09(+0.51%) |
| Apr 11, 2012 | 18.60 | 18.70 | 18.14 | 18.15 | 159,712 | -0.34(-1.85%) |
| Apr 10, 2012 | 18.82 | 18.98 | 18.42 | 18.49 | 196,979 | -0.36(-1.91%) |
| Apr 09, 2012 | 18.85 | 19.07 | 18.63 | 18.85 | 246,350 | -0.20(-1.05%) |
| Apr 05, 2012 | 18.92 | 19.05 | 18.80 | 19.05 | 150,276 | +0.14(+0.74%) |
| Apr 04, 2012 | 19.05 | 19.08 | 18.89 | 18.91 | 120,190 | -0.17(-0.89%) |
| Apr 03, 2012 | 18.91 | 19.27 | 18.88 | 19.08 | 173,976 | +0.17(+0.90%) |
| Apr 02, 2012 | 19.38 | 19.49 | 18.82 | 18.91 | 299,774 | -0.48(-2.48%) |
| Mar 30, 2012 | 19.88 | 19.88 | 19.34 | 19.39 | 175,061 | -0.41(-2.07%) |
| Mar 29, 2012 | 19.89 | 19.92 | 19.70 | 19.80 | 215,364 | -0.26(-1.30%) |
| Mar 28, 2012 | 20.42 | 20.42 | 19.83 | 20.06 | 371,865 | -0.48(-2.34%) |
| Mar 27, 2012 | 19.74 | 20.54 | 19.67 | 20.54 | 449,440 | +0.87(+4.42%) |
| Mar 26, 2012 | 19.86 | 19.86 | 19.46 | 19.67 | 179,151 | +0.01(+0.05%) |
| Mar 23, 2012 | 19.50 | 19.75 | 19.31 | 19.66 | 226,326 | +0.31(+1.60%) |
| Mar 22, 2012 | 19.30 | 19.47 | 19.20 | 19.35 | 182,075 | -0.03(-0.15%) |
| Mar 21, 2012 | 19.38 | 19.45 | 19.25 | 19.38 | 162,026 | +0.07(+0.36%) |
| Mar 20, 2012 | 19.73 | 19.73 | 19.31 | 19.31 | 225,886 | -0.35(-1.78%) |
| Mar 19, 2012 | 19.47 | 19.68 | 19.34 | 19.66 | 243,425 | +0.28(+1.44%) |
| Mar 16, 2012 | 19.02 | 19.48 | 19.02 | 19.38 | 261,265 | +0.36(+1.89%) |
| Mar 15, 2012 | 19.14 | 19.15 | 18.90 | 19.02 | 172,704 | +0.08(+0.42%) |
| Mar 14, 2012 | 18.93 | 19.15 | 18.83 | 18.94 | 222,961 | +0.03(+0.16%) |
| Mar 13, 2012 | 18.82 | 18.95 | 18.52 | 18.91 | 201,848 | +0.25(+1.34%) |
| Mar 12, 2012 | 18.93 | 18.97 | 18.52 | 18.66 | 187,888 | -0.25(-1.32%) |
| Mar 09, 2012 | 18.84 | 18.98 | 18.78 | 18.91 | 183,131 | +0.14(+0.75%) |
| Mar 08, 2012 | 18.84 | 18.98 | 18.71 | 18.77 | 186,803 | -0.04(-0.21%) |
| Mar 07, 2012 | 18.43 | 18.87 | 18.40 | 18.81 | 191,572 | +0.37(+2.01%) |
| Mar 06, 2012 | 18.51 | 18.72 | 18.35 | 18.44 | 189,484 | -0.15(-0.81%) |
| Mar 05, 2012 | 18.74 | 18.75 | 18.50 | 18.59 | 200,335 | -0.20(-1.06%) |
| Mar 02, 2012 | 18.82 | 18.96 | 18.70 | 18.79 | 287,791 | -0.03(-0.16%) |