| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| May 31, 2012 | 45.13 | 46.10 | 45.06 | 45.71 | 14,654,945 | +0.51(+1.13%) |
| May 30, 2012 | 45.02 | 45.48 | 44.86 | 45.20 | 11,208,685 | -0.28(-0.62%) |
| May 29, 2012 | 44.70 | 45.50 | 44.60 | 45.48 | 10,560,267 | +0.98(+2.20%) |
| May 25, 2012 | 44.49 | 44.96 | 44.38 | 44.50 | 8,523,472 | +0.06(+0.14%) |
| May 24, 2012 | 44.41 | 44.60 | 44.01 | 44.44 | 9,813,112 | +0.23(+0.52%) |
| May 23, 2012 | 44.24 | 44.46 | 43.81 | 44.21 | 8,876,669 | -0.18(-0.41%) |
| May 22, 2012 | 44.49 | 44.70 | 44.13 | 44.39 | 6,639,796 | +0.00(+0.00%) |
| May 21, 2012 | 43.81 | 44.41 | 43.51 | 44.39 | 8,309,351 | +0.58(+1.32%) |
| May 18, 2012 | 44.46 | 44.49 | 43.62 | 43.81 | 10,599,856 | -0.52(-1.17%) |
| May 17, 2012 | 45.15 | 45.23 | 44.30 | 44.33 | 8,479,550 | -0.75(-1.66%) |
| May 16, 2012 | 45.15 | 45.55 | 45.06 | 45.08 | 8,400,121 | +0.07(+0.16%) |
| May 15, 2012 | 45.23 | 45.80 | 44.92 | 45.01 | 10,170,333 | -0.16(-0.35%) |
| May 14, 2012 | 45.17 | 45.50 | 44.98 | 45.17 | 8,058,895 | -0.39(-0.86%) |
| May 11, 2012 | 45.13 | 45.80 | 45.00 | 45.56 | 9,782,055 | +0.28(+0.62%) |
| May 10, 2012 | 45.14 | 45.59 | 45.05 | 45.28 | 14,083,031 | +0.26(+0.58%) |
| May 09, 2012 | 44.46 | 45.80 | 44.41 | 45.02 | 21,351,101 | +0.72(+1.63%) |
| May 08, 2012 | 43.78 | 44.49 | 43.09 | 44.30 | 19,647,005 | +0.48(+1.10%) |
| May 07, 2012 | 43.65 | 43.95 | 43.31 | 43.82 | 11,780,663 | +0.89(+2.07%) |
| May 04, 2012 | 43.60 | 43.71 | 42.84 | 42.93 | 7,462,163 | -0.88(-2.01%) |
| May 03, 2012 | 43.54 | 44.13 | 43.49 | 43.81 | 9,354,951 | +0.27(+0.62%) |
| May 02, 2012 | 43.57 | 43.81 | 43.30 | 43.54 | 8,039,912 | -0.25(-0.57%) |
| May 01, 2012 | 43.11 | 44.09 | 43.15 | 43.79 | 9,323,268 | +0.68(+1.58%) |
| Apr 30, 2012 | 43.32 | 43.35 | 42.84 | 43.11 | 6,987,196 | -0.24(-0.55%) |
| Apr 27, 2012 | 43.60 | 43.65 | 43.12 | 43.35 | 5,903,021 | -0.01(-0.02%) |
| Apr 26, 2012 | 42.74 | 43.56 | 42.69 | 43.36 | 7,713,575 | +0.66(+1.55%) |
| Apr 25, 2012 | 42.40 | 42.76 | 42.38 | 42.70 | 4,927,110 | +0.52(+1.23%) |
| Apr 24, 2012 | 42.03 | 42.43 | 41.97 | 42.18 | 4,954,569 | +0.17(+0.40%) |
| Apr 23, 2012 | 42.25 | 42.25 | 41.73 | 42.01 | 6,595,029 | -0.34(-0.80%) |
| Apr 20, 2012 | 42.24 | 42.84 | 42.24 | 42.35 | 7,773,043 | +0.27(+0.64%) |
| Apr 19, 2012 | 42.43 | 42.51 | 41.80 | 42.08 | 7,079,260 | -0.41(-0.96%) |
| Apr 18, 2012 | 42.48 | 42.61 | 42.32 | 42.49 | 3,781,914 | -0.19(-0.45%) |
| Apr 17, 2012 | 41.88 | 42.74 | 41.88 | 42.68 | 6,552,863 | +1.02(+2.45%) |
| Apr 16, 2012 | 42.06 | 42.13 | 41.54 | 41.66 | 6,109,264 | -0.19(-0.45%) |
| Apr 13, 2012 | 42.03 | 42.22 | 41.70 | 41.85 | 7,315,448 | -0.30(-0.71%) |
| Apr 12, 2012 | 41.43 | 42.20 | 41.27 | 42.15 | 5,538,660 | +0.78(+1.89%) |
| Apr 11, 2012 | 41.51 | 41.70 | 41.24 | 41.37 | 6,359,277 | +0.38(+0.93%) |
| Apr 10, 2012 | 41.87 | 42.13 | 40.88 | 40.99 | 10,681,866 | -1.12(-2.66%) |
| Apr 09, 2012 | 42.13 | 42.27 | 41.96 | 42.11 | 6,813,309 | -0.97(-2.25%) |
| Apr 05, 2012 | 42.84 | 43.18 | 42.68 | 43.08 | 6,341,122 | +0.15(+0.35%) |
| Apr 04, 2012 | 42.90 | 42.99 | 42.48 | 42.93 | 8,562,403 | -0.36(-0.83%) |
| Apr 03, 2012 | 43.67 | 43.75 | 42.91 | 43.29 | 7,996,962 | -0.55(-1.25%) |
| Apr 02, 2012 | 43.59 | 44.00 | 43.32 | 43.84 | 7,653,740 | +0.06(+0.14%) |
| Mar 30, 2012 | 43.52 | 43.85 | 43.10 | 43.78 | 9,098,596 | +0.77(+1.79%) |
| Mar 29, 2012 | 43.20 | 43.27 | 42.30 | 43.01 | 10,402,479 | -0.50(-1.15%) |
| Mar 28, 2012 | 44.04 | 44.15 | 43.26 | 43.51 | 9,444,237 | -0.64(-1.45%) |
| Mar 27, 2012 | 44.39 | 44.50 | 44.09 | 44.15 | 9,343,062 | -0.23(-0.52%) |
| Mar 26, 2012 | 43.94 | 44.41 | 43.92 | 44.38 | 10,853,820 | +0.73(+1.67%) |
| Mar 23, 2012 | 43.33 | 43.71 | 42.86 | 43.65 | 8,518,927 | +0.36(+0.83%) |
| Mar 22, 2012 | 43.08 | 43.40 | 43.01 | 43.29 | 8,560,670 | +0.02(+0.05%) |
| Mar 21, 2012 | 43.42 | 43.87 | 43.27 | 43.27 | 9,581,956 | +0.03(+0.07%) |
| Mar 20, 2012 | 43.24 | 43.44 | 42.93 | 43.24 | 6,853,932 | -0.20(-0.46%) |
| Mar 19, 2012 | 43.07 | 43.58 | 42.95 | 43.44 | 6,382,459 | +0.25(+0.58%) |
| Mar 16, 2012 | 43.42 | 43.52 | 43.18 | 43.19 | 8,952,454 | -0.28(-0.64%) |
| Mar 15, 2012 | 43.50 | 43.50 | 43.17 | 43.47 | 6,123,525 | -0.01(-0.02%) |
| Mar 14, 2012 | 43.59 | 43.70 | 42.90 | 43.48 | 10,991,259 | -0.53(-1.20%) |
| Mar 13, 2012 | 42.55 | 44.08 | 42.43 | 44.01 | 15,051,838 | +1.67(+3.94%) |
| Mar 12, 2012 | 42.53 | 42.85 | 42.15 | 42.34 | 6,834,437 | +0.10(+0.24%) |
| Mar 09, 2012 | 42.12 | 42.57 | 42.03 | 42.24 | 6,896,364 | +0.22(+0.52%) |
| Mar 08, 2012 | 41.99 | 42.32 | 41.95 | 42.02 | 6,163,711 | +0.27(+0.65%) |
| Mar 07, 2012 | 42.00 | 42.07 | 41.70 | 41.75 | 7,793,491 | -0.25(-0.60%) |
| Mar 06, 2012 | 42.24 | 42.32 | 41.73 | 42.00 | 10,434,460 | -0.70(-1.64%) |
| Mar 05, 2012 | 42.35 | 42.77 | 42.11 | 42.70 | 9,288,792 | +0.34(+0.80%) |
| Mar 02, 2012 | 42.26 | 42.53 | 42.04 | 42.36 | 5,070,657 | -0.03(-0.07%) |