| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 29, 2012 | 37.56 | 37.62 | 37.16 | 37.23 | 14,362,086 | -0.23(-0.61%) |
| Feb 28, 2012 | 37.48 | 37.55 | 37.30 | 37.46 | 12,782,226 | -0.05(-0.13%) |
| Feb 27, 2012 | 37.23 | 37.66 | 37.11 | 37.51 | 13,756,723 | +0.03(+0.08%) |
| Feb 24, 2012 | 37.58 | 37.66 | 37.42 | 37.48 | 8,444,481 | -0.01(-0.03%) |
| Feb 23, 2012 | 37.33 | 37.53 | 37.17 | 37.49 | 9,914,863 | +0.12(+0.32%) |
| Feb 22, 2012 | 37.37 | 37.47 | 37.23 | 37.37 | 9,040,847 | -0.04(-0.11%) |
| Feb 21, 2012 | 37.47 | 37.57 | 37.26 | 37.41 | 12,891,871 | +0.13(+0.35%) |
| Feb 17, 2012 | 37.25 | 37.39 | 37.15 | 37.28 | 9,207,525 | +0.14(+0.38%) |
| Feb 16, 2012 | 36.80 | 37.16 | 36.71 | 37.14 | 12,220,168 | +0.34(+0.92%) |
| Feb 15, 2012 | 37.42 | 37.42 | 36.71 | 36.80 | 18,457,018 | -0.49(-1.31%) |
| Feb 14, 2012 | 37.31 | 37.32 | 37.02 | 37.29 | 13,354,039 | -0.13(-0.35%) |
| Feb 13, 2012 | 37.29 | 37.45 | 37.03 | 37.42 | 16,480,654 | +0.45(+1.22%) |
| Feb 10, 2012 | 36.98 | 36.99 | 36.73 | 36.97 | 14,726,619 | -0.34(-0.91%) |
| Feb 09, 2012 | 37.35 | 37.38 | 37.10 | 37.31 | 9,383,875 | +0.10(+0.27%) |
| Feb 08, 2012 | 37.21 | 37.28 | 37.03 | 37.21 | 10,111,764 | +0.08(+0.22%) |
| Feb 07, 2012 | 37.09 | 37.21 | 36.78 | 37.13 | 9,038,608 | -0.04(-0.11%) |
| Feb 06, 2012 | 37.00 | 37.26 | 36.98 | 37.17 | 8,686,781 | -0.09(-0.24%) |
| Feb 03, 2012 | 37.04 | 37.32 | 36.98 | 37.26 | 11,530,581 | +0.63(+1.72%) |
| Feb 02, 2012 | 36.69 | 36.75 | 36.52 | 36.63 | 9,223,764 | +0.02(+0.05%) |
| Feb 01, 2012 | 36.50 | 36.82 | 36.50 | 36.61 | 11,770,848 | +0.39(+1.08%) |
| Jan 31, 2012 | 36.49 | 36.62 | 36.04 | 36.22 | 18,226,865 | -0.11(-0.30%) |
| Jan 30, 2012 | 36.13 | 36.36 | 36.00 | 36.33 | 9,733,864 | -0.13(-0.36%) |
| Jan 27, 2012 | 36.32 | 36.59 | 36.29 | 36.46 | 6,931,099 | -0.03(-0.08%) |
| Jan 26, 2012 | 36.79 | 36.92 | 36.38 | 36.49 | 11,594,879 | -0.07(-0.19%) |
| Jan 25, 2012 | 36.02 | 36.67 | 35.86 | 36.56 | 13,684,245 | +0.40(+1.11%) |
| Jan 24, 2012 | 35.84 | 36.17 | 35.77 | 36.16 | 5,592,541 | +0.04(+0.11%) |
| Jan 23, 2012 | 36.10 | 36.45 | 36.00 | 36.12 | 13,137,689 | -0.04(-0.11%) |
| Jan 20, 2012 | 36.16 | 36.25 | 36.02 | 36.16 | 11,160,128 | -0.21(-0.58%) |
| Jan 19, 2012 | 36.18 | 36.38 | 36.08 | 36.37 | 9,950,588 | +0.38(+1.06%) |
| Jan 18, 2012 | 35.55 | 36.01 | 35.51 | 35.99 | 15,984,136 | +0.36(+1.01%) |
| Jan 17, 2012 | 35.97 | 36.03 | 35.62 | 35.63 | 10,233,596 | +0.14(+0.38%) |
| Jan 13, 2012 | 35.49 | 35.54 | 35.16 | 35.49 | 10,861,801 | -0.28(-0.77%) |
| Jan 12, 2012 | 35.57 | 35.84 | 35.39 | 35.77 | 9,283,476 | +0.31(+0.87%) |
| Jan 11, 2012 | 35.22 | 35.53 | 35.20 | 35.46 | 9,828,867 | +0.11(+0.31%) |
| Jan 10, 2012 | 35.33 | 35.42 | 35.25 | 35.35 | 16,389,558 | +0.50(+1.45%) |
| Jan 09, 2012 | 34.69 | 34.90 | 34.54 | 34.85 | 15,523,341 | +0.26(+0.74%) |
| Jan 06, 2012 | 34.74 | 34.74 | 34.48 | 34.59 | 8,702,393 | -0.07(-0.20%) |
| Jan 05, 2012 | 34.43 | 34.68 | 34.15 | 34.66 | 8,828,882 | +0.01(+0.03%) |
| Jan 04, 2012 | 34.38 | 34.69 | 34.30 | 34.65 | 9,876,246 | +0.90(+2.67%) |
| Dec 30, 2011 | 33.96 | 34.02 | 33.75 | 33.75 | 4,281,678 | -0.21(-0.62%) |
| Dec 29, 2011 | 33.56 | 33.99 | 33.55 | 33.96 | 6,033,565 | +0.42(+1.25%) |
| Dec 28, 2011 | 34.12 | 34.12 | 33.46 | 33.54 | 10,798,574 | -0.54(-1.58%) |
| Dec 27, 2011 | 33.96 | 34.15 | 33.89 | 34.08 | 5,304,525 | -0.01(-0.03%) |
| Dec 23, 2011 | 33.91 | 34.09 | 33.76 | 34.09 | 5,526,277 | +0.64(+1.91%) |
| Dec 21, 2011 | 33.40 | 33.54 | 32.98 | 33.45 | 18,989,325 | +0.02(+0.04%) |
| Dec 20, 2011 | 32.81 | 33.50 | 32.81 | 33.44 | 24,922,953 | +1.10(+3.42%) |
| Dec 19, 2011 | 32.74 | 33.00 | 32.22 | 32.33 | 16,276,594 | -0.34(-1.04%) |
| Dec 16, 2011 | 32.81 | 33.13 | 32.54 | 32.67 | 35,073,696 | -0.08(-0.24%) |
| Dec 15, 2011 | 32.97 | 33.02 | 32.62 | 32.75 | 14,445,838 | +0.23(+0.71%) |
| Dec 14, 2011 | 32.64 | 32.90 | 32.45 | 32.52 | 19,621,936 | -0.39(-1.19%) |
| Dec 13, 2011 | 33.64 | 33.78 | 32.76 | 32.91 | 25,786,517 | -0.44(-1.32%) |
| Dec 12, 2011 | 33.69 | 33.69 | 33.08 | 33.35 | 15,878,085 | -0.62(-1.83%) |
| Dec 09, 2011 | 33.45 | 34.05 | 33.39 | 33.97 | 22,390,494 | +0.76(+2.29%) |
| Dec 08, 2011 | 33.83 | 33.90 | 33.13 | 33.21 | 17,427,492 | -0.84(-2.47%) |
| Dec 07, 2011 | 34.08 | 34.17 | 33.60 | 34.05 | 25,265,811 | -0.01(-0.03%) |
| Dec 06, 2011 | 34.14 | 34.32 | 33.93 | 34.06 | 12,618,279 | -0.01(-0.03%) |
| Dec 05, 2011 | 34.26 | 34.34 | 33.83 | 34.07 | 17,993,060 | +0.36(+1.07%) |
| Dec 02, 2011 | 34.00 | 34.24 | 33.67 | 33.71 | 18,372,931 | -0.07(-0.21%) |