| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| May 31, 2012 | 16.41 | 16.47 | 16.00 | 16.43 | 1,578,054 | +0.04(+0.24%) |
| May 30, 2012 | 17.22 | 17.22 | 16.27 | 16.39 | 987,179 | -0.93(-5.37%) |
| May 29, 2012 | 17.20 | 17.49 | 16.76 | 17.32 | 981,190 | +0.09(+0.52%) |
| May 25, 2012 | 17.05 | 17.52 | 16.97 | 17.23 | 550,877 | +0.19(+1.12%) |
| May 24, 2012 | 16.38 | 17.20 | 16.23 | 17.04 | 1,068,947 | +0.60(+3.65%) |
| May 23, 2012 | 16.79 | 17.02 | 16.12 | 16.44 | 1,867,388 | -0.43(-2.55%) |
| May 22, 2012 | 17.15 | 17.30 | 16.70 | 16.87 | 1,354,145 | -0.33(-1.92%) |
| May 21, 2012 | 16.98 | 17.49 | 16.83 | 17.20 | 1,763,361 | +0.19(+1.12%) |
| May 18, 2012 | 16.90 | 17.44 | 16.42 | 17.01 | 1,393,081 | +0.26(+1.55%) |
| May 17, 2012 | 18.37 | 18.49 | 16.10 | 16.75 | 4,204,848 | -1.61(-8.77%) |
| May 16, 2012 | 18.96 | 19.20 | 18.36 | 18.36 | 2,233,507 | -0.44(-2.34%) |
| May 15, 2012 | 18.73 | 19.18 | 18.50 | 18.80 | 1,444,235 | -0.04(-0.21%) |
| May 14, 2012 | 19.16 | 19.16 | 18.00 | 18.84 | 1,501,057 | +0.40(+2.17%) |
| May 11, 2012 | 18.98 | 19.29 | 18.37 | 18.44 | 1,586,041 | -0.63(-3.30%) |
| May 10, 2012 | 18.55 | 19.58 | 18.18 | 19.07 | 2,796,614 | +0.67(+3.64%) |
| May 09, 2012 | 17.81 | 18.72 | 17.77 | 18.40 | 2,622,174 | +0.38(+2.11%) |
| May 08, 2012 | 17.72 | 18.23 | 17.05 | 18.02 | 2,150,672 | +0.35(+1.98%) |
| May 07, 2012 | 17.85 | 18.04 | 17.40 | 17.67 | 1,970,747 | -0.24(-1.34%) |
| May 04, 2012 | 17.96 | 18.70 | 17.72 | 17.91 | 2,798,068 | -0.07(-0.39%) |
| May 03, 2012 | 18.63 | 18.88 | 17.60 | 17.98 | 4,337,874 | -0.60(-3.23%) |
| May 02, 2012 | 19.46 | 20.38 | 18.50 | 18.58 | 4,076,527 | -0.91(-4.67%) |
| May 01, 2012 | 20.91 | 21.03 | 19.45 | 19.49 | 7,465,775 | -1.26(-6.07%) |
| Apr 30, 2012 | 13.68 | 26.00 | 20.65 | 20.75 | 29,565,302 | +7.07(+51.68%) |
| Apr 27, 2012 | 13.07 | 13.70 | 12.77 | 13.68 | 834,517 | +0.68(+5.23%) |
| Apr 26, 2012 | 12.90 | 13.44 | 12.67 | 13.00 | 1,005,143 | +0.03(+0.23%) |
| Apr 25, 2012 | 13.15 | 13.50 | 12.74 | 12.97 | 950,649 | -0.06(-0.46%) |
| Apr 24, 2012 | 13.42 | 13.43 | 12.57 | 13.03 | 2,086,996 | -0.38(-2.83%) |
| Apr 23, 2012 | 11.09 | 14.00 | 11.09 | 13.41 | 4,816,721 | +2.07(+18.25%) |
| Apr 20, 2012 | 11.44 | 11.44 | 11.10 | 11.34 | 800,623 | +0.04(+0.35%) |
| Apr 19, 2012 | 11.10 | 11.39 | 11.02 | 11.30 | 872,525 | +0.30(+2.73%) |
| Apr 18, 2012 | 11.02 | 11.15 | 10.97 | 11.00 | 1,309,312 | -0.15(-1.35%) |
| Apr 17, 2012 | 10.95 | 11.24 | 10.92 | 11.15 | 1,294,127 | +0.23(+2.11%) |
| Apr 16, 2012 | 10.78 | 11.03 | 10.52 | 10.92 | 1,213,969 | +0.14(+1.30%) |
| Apr 13, 2012 | 10.95 | 10.99 | 10.45 | 10.78 | 2,455,267 | -0.20(-1.82%) |
| Apr 12, 2012 | 11.74 | 11.74 | 10.95 | 10.98 | 3,026,073 | -0.75(-6.39%) |
| Apr 11, 2012 | 12.01 | 12.28 | 10.98 | 11.73 | 5,845,777 | -0.19(-1.59%) |
| Apr 10, 2012 | 11.98 | 12.30 | 11.88 | 11.92 | 1,011,844 | -0.12(-1.00%) |
| Apr 09, 2012 | 12.25 | 12.31 | 11.85 | 12.04 | 1,328,843 | -0.35(-2.82%) |
| Apr 05, 2012 | 12.57 | 12.82 | 12.37 | 12.39 | 1,072,000 | -0.20(-1.59%) |
| Apr 04, 2012 | 12.69 | 12.79 | 12.44 | 12.59 | 949,130 | -0.28(-2.18%) |
| Apr 03, 2012 | 13.24 | 13.38 | 12.79 | 12.87 | 1,165,254 | -0.38(-2.87%) |
| Apr 02, 2012 | 13.21 | 13.65 | 13.15 | 13.25 | 902,781 | +0.00(+0.00%) |
| Mar 30, 2012 | 13.50 | 13.50 | 13.10 | 13.25 | 1,056,153 | -0.15(-1.12%) |
| Mar 29, 2012 | 13.46 | 13.68 | 13.22 | 13.40 | 868,290 | -0.23(-1.69%) |
| Mar 28, 2012 | 14.17 | 14.38 | 13.51 | 13.63 | 879,088 | -0.54(-3.81%) |
| Mar 27, 2012 | 14.34 | 14.59 | 14.12 | 14.17 | 466,613 | -0.22(-1.53%) |
| Mar 26, 2012 | 13.95 | 14.51 | 13.87 | 14.39 | 680,178 | +0.56(+4.05%) |
| Mar 23, 2012 | 14.07 | 14.12 | 13.57 | 13.83 | 781,467 | -0.29(-2.05%) |
| Mar 22, 2012 | 14.03 | 14.18 | 13.85 | 14.12 | 555,480 | -0.08(-0.56%) |
| Mar 21, 2012 | 14.32 | 14.43 | 14.03 | 14.20 | 532,154 | -0.12(-0.84%) |
| Mar 20, 2012 | 14.28 | 14.39 | 13.90 | 14.32 | 981,354 | +0.04(+0.28%) |
| Mar 19, 2012 | 14.11 | 14.70 | 13.89 | 14.28 | 1,219,480 | +0.23(+1.64%) |
| Mar 16, 2012 | 14.15 | 14.21 | 13.70 | 14.05 | 1,866,242 | -0.13(-0.92%) |
| Mar 15, 2012 | 14.15 | 14.25 | 13.84 | 14.18 | 599,727 | +0.00(+0.00%) |
| Mar 14, 2012 | 14.36 | 14.55 | 14.04 | 14.18 | 910,525 | -0.20(-1.39%) |
| Mar 13, 2012 | 13.81 | 14.74 | 13.69 | 14.38 | 2,157,721 | +0.77(+5.66%) |
| Mar 12, 2012 | 13.39 | 13.81 | 13.11 | 13.61 | 670,176 | +0.22(+1.64%) |
| Mar 09, 2012 | 13.24 | 13.56 | 13.12 | 13.39 | 566,918 | +0.14(+1.06%) |
| Mar 08, 2012 | 13.64 | 13.70 | 13.09 | 13.25 | 979,386 | -0.36(-2.65%) |
| Mar 07, 2012 | 13.11 | 13.80 | 13.06 | 13.61 | 985,225 | +0.56(+4.29%) |
| Mar 06, 2012 | 13.20 | 13.20 | 12.85 | 13.05 | 1,243,664 | -0.30(-2.25%) |
| Mar 05, 2012 | 13.12 | 13.55 | 13.06 | 13.35 | 788,362 | +0.15(+1.14%) |
| Mar 02, 2012 | 13.21 | 13.68 | 13.16 | 13.20 | 859,226 | -0.05(-0.38%) |