| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 29, 2012 | 42.09 | 42.17 | 41.50 | 41.55 | 2,320,895 | -0.55(-1.31%) |
| Feb 28, 2012 | 41.95 | 42.13 | 41.78 | 42.10 | 1,368,312 | +0.27(+0.65%) |
| Feb 27, 2012 | 41.75 | 42.12 | 41.61 | 41.83 | 1,496,885 | -0.22(-0.52%) |
| Feb 24, 2012 | 41.55 | 42.13 | 41.41 | 42.05 | 2,311,495 | +0.51(+1.23%) |
| Feb 23, 2012 | 41.12 | 41.58 | 41.03 | 41.54 | 1,700,480 | +0.46(+1.12%) |
| Feb 22, 2012 | 41.15 | 41.47 | 40.94 | 41.08 | 1,278,708 | -0.22(-0.53%) |
| Feb 21, 2012 | 41.68 | 41.75 | 41.15 | 41.30 | 1,301,996 | -0.22(-0.53%) |
| Feb 17, 2012 | 41.86 | 41.98 | 41.22 | 41.52 | 2,759,557 | -0.28(-0.67%) |
| Feb 16, 2012 | 41.50 | 41.83 | 41.47 | 41.80 | 1,643,124 | +0.30(+0.72%) |
| Feb 15, 2012 | 42.51 | 42.51 | 41.38 | 41.50 | 1,967,644 | -0.56(-1.33%) |
| Feb 14, 2012 | 42.18 | 42.53 | 41.83 | 42.06 | 2,340,640 | -0.31(-0.73%) |
| Feb 13, 2012 | 42.15 | 42.40 | 41.99 | 42.37 | 2,455,711 | +0.49(+1.17%) |
| Feb 10, 2012 | 41.90 | 41.99 | 41.64 | 41.88 | 2,121,491 | -0.25(-0.59%) |
| Feb 09, 2012 | 42.62 | 42.62 | 42.08 | 42.13 | 2,215,933 | -0.38(-0.89%) |
| Feb 08, 2012 | 42.35 | 42.66 | 42.22 | 42.51 | 2,206,248 | +0.10(+0.24%) |
| Feb 07, 2012 | 41.81 | 42.47 | 41.71 | 42.41 | 2,580,388 | +0.61(+1.46%) |
| Feb 06, 2012 | 41.98 | 42.22 | 41.62 | 41.80 | 3,537,703 | -0.25(-0.59%) |
| Feb 03, 2012 | 42.56 | 42.82 | 40.93 | 42.05 | 8,352,461 | -0.17(-0.40%) |
| Feb 02, 2012 | 44.02 | 44.02 | 42.09 | 42.22 | 4,564,630 | -0.86(-2.00%) |
| Feb 01, 2012 | 43.23 | 43.68 | 43.08 | 43.08 | 3,040,494 | +0.05(+0.12%) |
| Jan 31, 2012 | 43.39 | 44.49 | 42.80 | 43.03 | 4,163,039 | +0.43(+1.01%) |
| Jan 30, 2012 | 41.93 | 42.72 | 41.83 | 42.60 | 2,105,340 | +0.26(+0.61%) |
| Jan 27, 2012 | 42.05 | 42.56 | 42.00 | 42.34 | 1,503,161 | +0.22(+0.52%) |
| Jan 26, 2012 | 42.13 | 42.19 | 41.30 | 42.12 | 2,211,041 | +0.04(+0.10%) |
| Jan 25, 2012 | 41.70 | 42.15 | 41.35 | 42.08 | 2,143,202 | +0.23(+0.55%) |
| Jan 24, 2012 | 41.77 | 42.17 | 41.62 | 41.85 | 2,631,635 | -0.15(-0.36%) |
| Jan 23, 2012 | 42.76 | 42.76 | 41.94 | 42.00 | 2,381,458 | -0.64(-1.50%) |
| Jan 20, 2012 | 42.72 | 43.11 | 42.49 | 42.64 | 2,761,827 | -0.07(-0.16%) |
| Jan 19, 2012 | 42.28 | 42.80 | 41.98 | 42.71 | 1,945,306 | +0.42(+0.99%) |
| Jan 18, 2012 | 41.95 | 42.57 | 41.85 | 42.29 | 3,310,315 | +0.54(+1.29%) |
| Jan 17, 2012 | 41.64 | 41.99 | 41.57 | 41.75 | 1,608,513 | +0.50(+1.21%) |
| Jan 13, 2012 | 41.53 | 41.65 | 41.15 | 41.25 | 2,328,146 | -0.61(-1.46%) |
| Jan 12, 2012 | 41.60 | 41.86 | 41.38 | 41.86 | 2,240,407 | +0.28(+0.67%) |
| Jan 11, 2012 | 41.40 | 41.61 | 41.22 | 41.58 | 1,558,985 | +0.18(+0.43%) |
| Jan 10, 2012 | 41.62 | 41.96 | 41.38 | 41.40 | 1,990,988 | +0.16(+0.39%) |
| Jan 09, 2012 | 41.23 | 41.47 | 40.89 | 41.24 | 2,075,485 | -0.32(-0.77%) |
| Jan 06, 2012 | 40.89 | 41.73 | 40.80 | 41.56 | 2,079,373 | +0.66(+1.61%) |
| Jan 05, 2012 | 40.93 | 41.16 | 40.62 | 40.90 | 2,438,562 | -0.30(-0.73%) |
| Jan 04, 2012 | 41.35 | 41.47 | 40.93 | 41.20 | 1,645,884 | +0.59(+1.45%) |
| Dec 30, 2011 | 40.64 | 40.93 | 40.61 | 40.61 | 870,007 | -0.03(-0.07%) |
| Dec 29, 2011 | 40.04 | 40.68 | 40.01 | 40.64 | 1,181,479 | +0.58(+1.45%) |
| Dec 28, 2011 | 40.65 | 40.87 | 40.01 | 40.06 | 1,189,909 | -0.81(-1.98%) |
| Dec 27, 2011 | 40.94 | 41.02 | 40.58 | 40.87 | 1,384,282 | -0.09(-0.22%) |
| Dec 23, 2011 | 41.00 | 41.03 | 40.79 | 40.96 | 1,291,259 | +0.32(+0.79%) |
| Dec 21, 2011 | 40.73 | 40.93 | 40.45 | 40.64 | 1,970,458 | -0.19(-0.47%) |
| Dec 20, 2011 | 40.90 | 41.15 | 40.75 | 40.83 | 2,833,123 | +0.49(+1.21%) |
| Dec 19, 2011 | 41.08 | 41.20 | 40.22 | 40.34 | 2,548,570 | -0.60(-1.47%) |
| Dec 16, 2011 | 41.37 | 41.63 | 40.94 | 40.94 | 2,970,110 | -0.09(-0.22%) |
| Dec 15, 2011 | 41.04 | 41.23 | 40.78 | 41.03 | 1,486,798 | +0.45(+1.11%) |
| Dec 14, 2011 | 40.94 | 41.17 | 40.54 | 40.58 | 2,288,973 | -0.39(-0.95%) |
| Dec 13, 2011 | 41.27 | 41.65 | 40.73 | 40.97 | 2,079,058 | -0.17(-0.41%) |
| Dec 12, 2011 | 41.50 | 41.59 | 40.88 | 41.14 | 1,642,175 | -0.75(-1.79%) |
| Dec 09, 2011 | 41.45 | 42.16 | 41.33 | 41.89 | 1,838,668 | +0.60(+1.45%) |
| Dec 08, 2011 | 41.60 | 41.78 | 41.19 | 41.29 | 3,105,951 | -0.52(-1.24%) |
| Dec 07, 2011 | 41.01 | 42.18 | 40.66 | 41.81 | 5,433,002 | +0.78(+1.90%) |
| Dec 06, 2011 | 41.18 | 41.53 | 40.94 | 41.03 | 2,740,253 | +0.02(+0.05%) |
| Dec 05, 2011 | 42.08 | 42.19 | 40.84 | 41.01 | 3,838,310 | -0.43(-1.04%) |
| Dec 02, 2011 | 42.61 | 42.62 | 40.93 | 41.44 | 5,160,233 | -0.93(-2.19%) |