| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 29, 2012 | 61.73 | 61.73 | 61.11 | 61.14 | 760 | +0.11(+0.18%) |
| Feb 28, 2012 | 61.36 | 61.36 | 61.03 | 61.03 | 300 | +0.00(+0.00%) |
| Feb 24, 2012 | 61.03 | 61.03 | 61.03 | 0 | +0.70(+1.16%) | |
| Feb 23, 2012 | 60.50 | 60.50 | 60.33 | 60.33 | 850 | +0.22(+0.37%) |
| Feb 21, 2012 | 60.11 | 60.11 | 60.11 | 60.11 | 0 | +0.11(+0.19%) |
| Feb 16, 2012 | 60.00 | 60.00 | 60.00 | 0 | +1.32(+2.24%) | |
| Feb 15, 2012 | 60.03 | 60.03 | 58.64 | 58.68 | 600 | -0.48(-0.82%) |
| Feb 14, 2012 | 59.16 | 59.16 | 59.16 | 59.16 | 150 | -0.15(-0.26%) |
| Feb 13, 2012 | 59.17 | 59.32 | 59.02 | 59.32 | 1,900 | +1.09(+1.86%) |
| Feb 10, 2012 | 58.50 | 58.50 | 58.09 | 58.23 | 1,105 | -1.16(-1.95%) |
| Feb 09, 2012 | 59.03 | 59.39 | 58.68 | 59.39 | 2,800 | +0.69(+1.18%) |
| Feb 08, 2012 | 58.77 | 58.77 | 58.70 | 58.70 | 200 | +0.11(+0.19%) |
| Feb 07, 2012 | 58.59 | 58.59 | 58.59 | 58.59 | 280 | +0.21(+0.36%) |
| Feb 06, 2012 | 58.17 | 58.45 | 58.17 | 58.38 | 2,300 | +0.03(+0.06%) |
| Feb 03, 2012 | 57.88 | 58.35 | 57.77 | 58.35 | 1,666 | +1.55(+2.72%) |
| Feb 02, 2012 | 56.80 | 56.80 | 56.80 | 56.80 | 100 | +0.19(+0.34%) |
| Feb 01, 2012 | 56.61 | 56.61 | 56.61 | 56.61 | 500 | +0.59(+1.05%) |
| Jan 31, 2012 | 56.02 | 56.02 | 56.02 | 56.02 | 100 | +0.66(+1.19%) |
| Jan 30, 2012 | 55.37 | 55.37 | 55.34 | 55.36 | 400 | -0.25(-0.45%) |
| Jan 27, 2012 | 55.82 | 55.82 | 55.61 | 55.61 | 1,950 | +0.01(+0.02%) |
| Jan 26, 2012 | 56.37 | 56.37 | 55.58 | 55.60 | 2,350 | -0.79(-1.41%) |
| Jan 25, 2012 | 55.64 | 56.48 | 55.64 | 56.39 | 2,235 | +1.57(+2.87%) |
| Jan 24, 2012 | 54.78 | 54.82 | 54.78 | 54.82 | 400 | +0.28(+0.51%) |
| Jan 23, 2012 | 55.21 | 55.21 | 54.54 | 54.54 | 1,250 | +0.10(+0.18%) |
| Jan 20, 2012 | 54.45 | 54.45 | 54.44 | 54.44 | 305 | -0.28(-0.51%) |
| Jan 19, 2012 | 54.43 | 54.90 | 54.28 | 54.72 | 1,380 | +0.81(+1.50%) |
| Jan 18, 2012 | 53.25 | 53.91 | 53.25 | 53.91 | 800 | +1.19(+2.26%) |
| Jan 17, 2012 | 52.72 | 52.72 | 52.72 | 52.72 | 700 | +0.30(+0.57%) |
| Jan 12, 2012 | 52.42 | 52.42 | 52.42 | 0 | +0.12(+0.23%) | |
| Jan 11, 2012 | 52.18 | 52.40 | 51.92 | 52.30 | 2,640 | +0.12(+0.23%) |
| Jan 10, 2012 | 52.49 | 52.49 | 52.16 | 52.18 | 1,250 | +0.73(+1.42%) |
| Jan 09, 2012 | 51.51 | 51.51 | 51.10 | 51.45 | 1,000 | +0.02(+0.04%) |
| Jan 06, 2012 | 51.42 | 51.55 | 51.10 | 51.43 | 4,400 | +0.10(+0.20%) |
| Jan 05, 2012 | 50.80 | 51.33 | 50.68 | 51.33 | 1,210 | +0.22(+0.43%) |
| Jan 04, 2012 | 50.66 | 51.11 | 50.57 | 51.11 | 2,295 | +1.11(+2.22%) |
| Dec 29, 2011 | 50.00 | 50.00 | 50.00 | 50.00 | 0 | +0.90(+1.83%) |
| Dec 28, 2011 | 49.10 | 49.10 | 49.10 | 49.10 | 800 | -1.44(-2.85%) |
| Dec 27, 2011 | 50.43 | 50.54 | 50.43 | 50.54 | 400 | +0.59(+1.18%) |
| Dec 23, 2011 | 49.48 | 49.98 | 49.48 | 49.95 | 1,600 | +1.27(+2.61%) |
| Dec 21, 2011 | 47.95 | 48.68 | 47.82 | 48.68 | 7,300 | -0.35(-0.71%) |
| Dec 20, 2011 | 48.62 | 49.03 | 48.58 | 49.03 | 11,040 | +2.70(+5.83%) |
| Dec 19, 2011 | 47.62 | 47.72 | 46.33 | 46.33 | 1,300 | -1.61(-3.36%) |
| Dec 16, 2011 | 47.94 | 47.94 | 47.94 | 47.94 | 100 | +1.04(+2.22%) |
| Dec 15, 2011 | 47.47 | 47.47 | 46.88 | 46.90 | 640 | +0.35(+0.75%) |
| Dec 14, 2011 | 47.43 | 47.62 | 46.55 | 46.55 | 1,000 | -1.45(-3.02%) |
| Dec 13, 2011 | 49.43 | 49.43 | 48.00 | 48.00 | 1,600 | -1.13(-2.30%) |
| Dec 12, 2011 | 49.60 | 49.60 | 49.13 | 49.13 | 900 | -1.33(-2.63%) |
| Dec 09, 2011 | 50.31 | 50.51 | 50.23 | 50.46 | 1,800 | +1.46(+2.98%) |
| Dec 08, 2011 | 50.02 | 50.20 | 49.00 | 49.00 | 1,900 | -2.13(-4.17%) |
| Dec 07, 2011 | 49.77 | 51.13 | 49.70 | 51.13 | 3,373 | +0.13(+0.25%) |
| Dec 05, 2011 | 51.00 | 51.00 | 51.00 | 0 | +0.74(+1.47%) | |
| Dec 02, 2011 | 50.84 | 50.84 | 50.26 | 50.26 | 1,717 | -0.24(-0.48%) |