| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Apr 30, 2013 | 21.23 | 21.42 | 20.96 | 21.22 | 0 | -0.12(-0.56%) |
| Apr 29, 2013 | 21.03 | 21.46 | 20.81 | 21.34 | 621,223 | +0.34(+1.62%) |
| Apr 26, 2013 | 20.84 | 21.05 | 20.91 | 21.00 | 923,637 | +0.09(+0.43%) |
| Apr 25, 2013 | 20.45 | 21.00 | 20.45 | 20.91 | 1,387,361 | +0.53(+2.60%) |
| Apr 24, 2013 | 20.02 | 20.51 | 19.84 | 20.38 | 1,683,894 | +0.41(+2.05%) |
| Apr 23, 2013 | 19.34 | 19.98 | 19.19 | 19.97 | 1,715,683 | +0.78(+4.06%) |
| Apr 22, 2013 | 18.79 | 19.27 | 18.62 | 19.19 | 1,431,266 | +0.44(+2.35%) |
| Apr 19, 2013 | 17.99 | 18.91 | 17.80 | 18.75 | 1,732,784 | +0.85(+4.75%) |
| Apr 18, 2013 | 17.45 | 19.10 | 16.74 | 17.90 | 5,237,274 | +0.34(+1.94%) |
| Apr 17, 2013 | 17.81 | 18.26 | 17.02 | 17.56 | 2,292,201 | -0.38(-2.12%) |
| Apr 16, 2013 | 17.87 | 18.12 | 17.22 | 17.94 | 1,444,384 | +0.19(+1.07%) |
| Apr 15, 2013 | 18.40 | 18.57 | 17.50 | 17.75 | 879,521 | -0.74(-4.00%) |
| Apr 12, 2013 | 18.74 | 18.92 | 18.35 | 18.49 | 936,944 | -0.33(-1.75%) |
| Apr 11, 2013 | 18.43 | 19.13 | 18.30 | 18.82 | 863,785 | +0.48(+2.62%) |
| Apr 10, 2013 | 17.97 | 18.43 | 17.50 | 18.34 | 1,648,071 | +0.39(+2.17%) |
| Apr 09, 2013 | 18.75 | 18.75 | 17.92 | 17.95 | 1,061,358 | -0.78(-4.16%) |
| Apr 08, 2013 | 18.49 | 18.77 | 18.22 | 18.73 | 706,901 | +0.23(+1.24%) |
| Apr 05, 2013 | 18.39 | 18.55 | 18.06 | 18.50 | 791,527 | -0.11(-0.59%) |
| Apr 04, 2013 | 18.47 | 18.69 | 18.15 | 18.61 | 816,105 | +0.18(+0.98%) |
| Apr 03, 2013 | 19.01 | 19.27 | 18.23 | 18.43 | 1,059,700 | -0.64(-3.36%) |
| Apr 02, 2013 | 19.40 | 19.64 | 19.01 | 19.07 | 677,857 | -0.20(-1.04%) |
| Apr 01, 2013 | 19.68 | 20.23 | 19.24 | 19.27 | 828,515 | -0.50(-2.53%) |
| Mar 28, 2013 | 20.36 | 20.41 | 19.55 | 19.77 | 904,493 | -0.64(-3.14%) |
| Mar 27, 2013 | 19.07 | 20.45 | 19.00 | 20.41 | 1,440,907 | +1.41(+7.42%) |
| Mar 26, 2013 | 19.10 | 19.10 | 18.86 | 19.00 | 730,760 | -0.02(-0.11%) |
| Mar 25, 2013 | 18.96 | 19.13 | 18.63 | 19.02 | 1,081,535 | -0.06(-0.31%) |
| Mar 22, 2013 | 18.85 | 19.17 | 18.59 | 19.08 | 864,669 | +0.27(+1.44%) |
| Mar 21, 2013 | 19.09 | 19.29 | 18.46 | 18.81 | 1,354,700 | -0.42(-2.18%) |
| Mar 20, 2013 | 19.81 | 20.06 | 18.90 | 19.23 | 1,403,063 | -0.57(-2.88%) |
| Mar 19, 2013 | 19.82 | 19.98 | 19.49 | 19.80 | 1,098,285 | +0.00(+0.00%) |
| Mar 18, 2013 | 19.47 | 19.87 | 19.27 | 19.80 | 978,328 | +0.13(+0.66%) |
| Mar 15, 2013 | 19.32 | 19.74 | 19.10 | 19.67 | 4,737,944 | +0.36(+1.86%) |
| Mar 14, 2013 | 19.06 | 19.55 | 18.82 | 19.31 | 1,489,002 | +0.28(+1.47%) |
| Mar 13, 2013 | 18.81 | 19.10 | 18.69 | 19.03 | 1,117,775 | +0.19(+1.01%) |
| Mar 12, 2013 | 18.61 | 18.99 | 18.41 | 18.84 | 1,058,265 | +0.15(+0.80%) |
| Mar 11, 2013 | 18.15 | 18.76 | 17.77 | 18.69 | 1,496,126 | +0.54(+2.98%) |
| Mar 08, 2013 | 17.68 | 18.32 | 17.64 | 18.15 | 1,452,597 | +0.78(+4.49%) |
| Mar 07, 2013 | 17.13 | 17.55 | 16.85 | 17.37 | 1,687,048 | +0.21(+1.22%) |
| Mar 06, 2013 | 17.18 | 17.27 | 17.01 | 17.16 | 1,734,952 | -0.02(-0.12%) |
| Mar 05, 2013 | 17.39 | 17.40 | 17.07 | 17.18 | 2,405,870 | -0.10(-0.58%) |
| Mar 04, 2013 | 18.25 | 18.30 | 16.62 | 17.28 | 8,298,447 | -3.23(-15.75%) |
| Mar 01, 2013 | 20.46 | 20.70 | 20.02 | 20.51 | 980,546 | -0.01(-0.05%) |
| Feb 28, 2013 | 20.57 | 20.75 | 20.49 | 20.52 | 916,781 | -0.27(-1.30%) |
| Feb 27, 2013 | 20.39 | 21.02 | 20.39 | 20.79 | 2,465,223 | +0.34(+1.66%) |
| Feb 26, 2013 | 20.21 | 20.81 | 19.91 | 20.45 | 1,211,171 | +0.35(+1.74%) |
| Feb 25, 2013 | 20.55 | 20.85 | 20.06 | 20.10 | 1,246,483 | -0.38(-1.86%) |
| Feb 22, 2013 | 20.41 | 20.67 | 20.13 | 20.48 | 818,913 | +0.12(+0.59%) |
| Feb 21, 2013 | 20.21 | 20.59 | 19.95 | 20.36 | 1,387,146 | +0.10(+0.49%) |
| Feb 20, 2013 | 21.23 | 21.61 | 20.25 | 20.26 | 1,171,864 | -0.89(-4.21%) |
| Feb 19, 2013 | 21.29 | 21.39 | 20.90 | 21.15 | 976,100 | -0.13(-0.61%) |
| Feb 15, 2013 | 21.47 | 21.87 | 21.21 | 21.28 | 747,426 | +0.00(+0.00%) |
| Feb 14, 2013 | 21.62 | 21.74 | 21.00 | 21.28 | 1,158,426 | -0.47(-2.16%) |
| Feb 13, 2013 | 22.16 | 22.40 | 21.61 | 21.75 | 798,223 | -0.44(-1.98%) |
| Feb 12, 2013 | 22.26 | 22.45 | 22.07 | 22.19 | 929,043 | +0.01(+0.05%) |
| Feb 11, 2013 | 22.30 | 22.40 | 22.06 | 22.18 | 812,229 | -0.08(-0.36%) |
| Feb 08, 2013 | 22.23 | 22.41 | 21.99 | 22.26 | 726,575 | +0.14(+0.63%) |
| Feb 07, 2013 | 22.44 | 22.51 | 21.75 | 22.12 | 1,008,378 | -0.36(-1.60%) |
| Feb 06, 2013 | 22.30 | 22.68 | 22.18 | 22.48 | 1,331,685 | -0.17(-0.75%) |
| Feb 04, 2013 | 22.50 | 23.10 | 22.50 | 22.65 | 1,518,203 | -0.01(-0.04%) |