| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| 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%) |
| Feb 01, 2013 | 22.19 | 22.76 | 21.96 | 22.66 | 1,473,199 | +0.64(+2.91%) |
| Jan 31, 2013 | 21.50 | 22.15 | 21.37 | 22.02 | 1,270,943 | +0.60(+2.80%) |
| Jan 30, 2013 | 21.77 | 22.24 | 21.30 | 21.42 | 2,524,672 | -0.79(-3.56%) |
| Jan 29, 2013 | 22.87 | 22.91 | 21.98 | 22.21 | 1,775,589 | -0.74(-3.22%) |
| Jan 28, 2013 | 23.17 | 23.44 | 22.71 | 22.95 | 2,256,895 | -0.21(-0.91%) |
| Jan 25, 2013 | 23.49 | 24.00 | 22.57 | 23.16 | 10,882,176 | -5.04(-17.87%) |
| Jan 24, 2013 | 27.35 | 28.94 | 27.09 | 28.20 | 2,498,365 | +0.99(+3.64%) |
| Jan 23, 2013 | 28.19 | 28.21 | 27.02 | 27.21 | 921,952 | -1.01(-3.58%) |
| Jan 22, 2013 | 27.72 | 28.34 | 27.63 | 28.22 | 1,010,670 | +0.45(+1.62%) |
| Jan 18, 2013 | 27.80 | 28.00 | 27.48 | 27.77 | 409,053 | +0.00(+0.00%) |
| Jan 17, 2013 | 27.62 | 28.00 | 27.44 | 27.77 | 1,109,305 | +0.17(+0.62%) |
| Jan 16, 2013 | 27.75 | 27.79 | 27.32 | 27.60 | 630,416 | -0.17(-0.61%) |
| Jan 15, 2013 | 26.53 | 27.79 | 26.50 | 27.77 | 1,034,367 | +0.99(+3.70%) |
| Jan 14, 2013 | 27.24 | 27.42 | 26.63 | 26.78 | 549,167 | -0.55(-2.01%) |
| Jan 12, 2013 | 27.40 | 27.45 | 27.00 | 27.33 | 376,060 | +0.00(+0.00%) |
| Jan 11, 2013 | 27.40 | 27.45 | 27.00 | 27.33 | 376,060 | +0.00(+0.00%) |
| Jan 10, 2013 | 27.31 | 27.44 | 27.06 | 27.33 | 299,500 | +0.15(+0.55%) |
| Jan 09, 2013 | 26.86 | 27.45 | 26.80 | 27.18 | 484,916 | +0.36(+1.34%) |
| Jan 08, 2013 | 26.85 | 26.95 | 26.53 | 26.82 | 659,714 | +0.07(+0.26%) |
| Jan 07, 2013 | 26.92 | 27.15 | 26.56 | 26.75 | 444,319 | -0.38(-1.40%) |
| Jan 04, 2013 | 27.10 | 27.51 | 27.00 | 27.13 | 599,786 | +0.22(+0.82%) |
| Jan 03, 2013 | 27.07 | 27.82 | 26.78 | 26.91 | 516,781 | -0.05(-0.19%) |
| Jan 02, 2013 | 26.86 | 27.29 | 26.76 | 26.96 | 1,259,349 | +0.80(+3.06%) |
| Dec 31, 2012 | 24.37 | 26.23 | 24.23 | 26.16 | 790,997 | +1.65(+6.73%) |
| Dec 28, 2012 | 24.49 | 24.77 | 24.11 | 24.51 | 660,915 | -0.13(-0.53%) |
| Dec 27, 2012 | 24.76 | 25.11 | 24.23 | 24.64 | 495,792 | -0.04(-0.16%) |
| Dec 26, 2012 | 25.42 | 25.52 | 24.62 | 24.68 | 597,871 | -0.71(-2.80%) |
| Dec 24, 2012 | 25.74 | 26.01 | 25.39 | 25.39 | 346,048 | -0.40(-1.55%) |
| Dec 21, 2012 | 25.36 | 26.11 | 25.04 | 25.79 | 2,760,422 | +0.08(+0.31%) |
| Dec 20, 2012 | 25.73 | 25.87 | 25.49 | 25.71 | 640,424 | -0.03(-0.12%) |
| Dec 19, 2012 | 25.70 | 25.83 | 25.32 | 25.74 | 820,199 | +0.02(+0.08%) |
| Dec 18, 2012 | 25.15 | 25.95 | 25.11 | 25.72 | 924,428 | +0.66(+2.63%) |
| Dec 17, 2012 | 24.54 | 25.11 | 24.44 | 25.06 | 838,974 | +0.58(+2.37%) |
| Dec 14, 2012 | 24.54 | 24.84 | 24.35 | 24.48 | 473,284 | -0.14(-0.57%) |
| Dec 13, 2012 | 24.75 | 25.25 | 24.43 | 24.62 | 592,619 | -0.18(-0.73%) |
| Dec 12, 2012 | 25.40 | 25.60 | 24.45 | 24.80 | 1,292,331 | -0.43(-1.70%) |
| Dec 11, 2012 | 25.39 | 25.75 | 25.15 | 25.23 | 518,533 | +0.10(+0.40%) |
| Dec 10, 2012 | 25.09 | 25.51 | 24.93 | 25.13 | 739,634 | -0.02(-0.08%) |
| Dec 07, 2012 | 25.27 | 25.63 | 25.08 | 25.15 | 1,088,665 | +0.07(+0.28%) |
| Dec 06, 2012 | 25.00 | 25.38 | 24.50 | 25.08 | 554,858 | +0.08(+0.32%) |
| Dec 05, 2012 | 25.79 | 26.00 | 23.80 | 25.00 | 3,411,832 | -2.67(-9.65%) |