| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| May 31, 2012 | 30.13 | 30.18 | 28.88 | 29.31 | 1,921,448 | -0.76(-2.51%) |
| May 30, 2012 | 31.02 | 31.03 | 29.92 | 30.07 | 2,038,265 | -2.27(-7.01%) |
| May 29, 2012 | 32.90 | 33.32 | 31.94 | 32.33 | 1,052,897 | +0.02(+0.06%) |
| May 25, 2012 | 32.28 | 32.60 | 32.21 | 32.31 | 757,318 | -0.06(-0.19%) |
| May 24, 2012 | 32.44 | 32.85 | 31.92 | 32.37 | 921,687 | +0.29(+0.90%) |
| May 23, 2012 | 32.73 | 32.81 | 31.28 | 32.08 | 1,652,012 | -0.81(-2.46%) |
| May 22, 2012 | 33.65 | 33.84 | 32.66 | 32.89 | 1,427,563 | -1.26(-3.69%) |
| May 21, 2012 | 33.24 | 34.19 | 33.07 | 34.15 | 1,511,557 | +1.35(+4.12%) |
| May 18, 2012 | 33.65 | 33.91 | 32.77 | 32.80 | 1,151,329 | -1.08(-3.19%) |
| May 17, 2012 | 34.57 | 34.70 | 33.58 | 33.88 | 791,064 | -0.10(-0.29%) |
| May 16, 2012 | 34.24 | 35.10 | 33.73 | 33.98 | 1,782,304 | -0.43(-1.25%) |
| May 15, 2012 | 35.41 | 35.76 | 34.29 | 34.41 | 1,286,725 | -0.65(-1.85%) |
| May 14, 2012 | 35.20 | 35.77 | 34.88 | 35.06 | 1,678,613 | -1.29(-3.55%) |
| May 11, 2012 | 36.39 | 37.37 | 36.29 | 36.35 | 873,056 | -0.70(-1.89%) |
| May 10, 2012 | 37.60 | 37.77 | 36.94 | 37.05 | 1,028,063 | +0.19(+0.52%) |
| May 09, 2012 | 36.28 | 37.14 | 35.87 | 36.86 | 1,861,836 | -0.71(-1.89%) |
| May 08, 2012 | 37.27 | 37.64 | 36.15 | 37.57 | 1,618,455 | -0.43(-1.13%) |
| May 07, 2012 | 37.56 | 38.18 | 36.85 | 38.00 | 1,958,709 | -0.46(-1.20%) |
| May 04, 2012 | 39.62 | 39.95 | 37.67 | 38.46 | 3,754,835 | -3.33(-7.97%) |
| May 03, 2012 | 43.06 | 43.09 | 41.58 | 41.79 | 1,517,155 | -2.23(-5.07%) |
| May 02, 2012 | 44.27 | 44.40 | 43.61 | 44.02 | 610,677 | -0.53(-1.19%) |
| May 01, 2012 | 43.48 | 44.88 | 43.48 | 44.55 | 1,018,206 | +0.93(+2.13%) |
| Apr 30, 2012 | 43.04 | 43.90 | 42.91 | 43.62 | 587,160 | +0.14(+0.32%) |
| Apr 27, 2012 | 43.28 | 43.74 | 42.96 | 43.48 | 577,820 | +0.20(+0.46%) |
| Apr 26, 2012 | 43.10 | 43.67 | 42.97 | 43.28 | 654,949 | +0.29(+0.67%) |
| Apr 25, 2012 | 42.83 | 43.40 | 42.22 | 42.99 | 1,163,073 | +0.48(+1.13%) |
| Apr 24, 2012 | 42.93 | 42.99 | 42.18 | 42.51 | 717,547 | +0.27(+0.64%) |
| Apr 23, 2012 | 41.60 | 42.28 | 41.22 | 42.24 | 927,046 | -0.76(-1.77%) |
| Apr 20, 2012 | 43.25 | 43.45 | 42.42 | 43.00 | 1,093,246 | +0.87(+2.07%) |
| Apr 19, 2012 | 42.35 | 42.46 | 41.50 | 42.13 | 675,667 | -0.22(-0.52%) |
| Apr 18, 2012 | 43.19 | 43.44 | 41.90 | 42.35 | 1,028,989 | -1.18(-2.71%) |
| Apr 17, 2012 | 43.99 | 44.11 | 43.40 | 43.53 | 659,793 | +0.95(+2.23%) |
| Apr 16, 2012 | 42.50 | 42.90 | 41.65 | 42.58 | 697,976 | +0.03(+0.07%) |
| Apr 13, 2012 | 42.79 | 42.96 | 42.32 | 42.55 | 565,484 | -0.66(-1.53%) |
| Apr 12, 2012 | 42.58 | 43.62 | 42.54 | 43.21 | 877,002 | +0.90(+2.13%) |
| Apr 11, 2012 | 41.60 | 42.75 | 41.37 | 42.31 | 1,466,380 | +1.13(+2.74%) |
| Apr 10, 2012 | 42.00 | 42.67 | 40.81 | 41.18 | 1,437,398 | -1.07(-2.53%) |
| Apr 09, 2012 | 41.30 | 42.37 | 40.91 | 42.25 | 1,174,469 | -0.56(-1.31%) |
| Apr 05, 2012 | 41.74 | 43.04 | 41.66 | 42.81 | 782,242 | +0.88(+2.10%) |
| Apr 04, 2012 | 42.59 | 42.83 | 41.18 | 41.93 | 1,584,444 | -1.82(-4.16%) |
| Apr 03, 2012 | 44.43 | 44.58 | 43.27 | 43.75 | 844,103 | -0.82(-1.84%) |
| Apr 02, 2012 | 42.22 | 44.81 | 42.10 | 44.57 | 1,844,968 | +1.66(+3.87%) |
| Mar 30, 2012 | 43.21 | 43.75 | 42.66 | 42.91 | 855,189 | -0.11(-0.26%) |
| Mar 29, 2012 | 44.69 | 44.87 | 42.07 | 43.02 | 2,666,858 | -1.99(-4.42%) |
| Mar 28, 2012 | 44.90 | 45.03 | 44.25 | 45.01 | 1,581,038 | -1.18(-2.55%) |
| Mar 27, 2012 | 46.51 | 46.84 | 45.83 | 46.19 | 817,746 | -0.13(-0.28%) |
| Mar 26, 2012 | 46.18 | 46.47 | 45.90 | 46.32 | 831,272 | +0.23(+0.50%) |
| Mar 23, 2012 | 45.08 | 47.30 | 44.70 | 46.09 | 1,989,175 | +1.17(+2.60%) |
| Mar 22, 2012 | 44.38 | 45.00 | 44.12 | 44.92 | 1,735,891 | -1.18(-2.56%) |
| Mar 21, 2012 | 45.84 | 46.81 | 45.60 | 46.10 | 1,053,827 | +0.45(+0.99%) |
| Mar 20, 2012 | 46.44 | 46.46 | 45.17 | 45.65 | 1,551,023 | -1.94(-4.07%) |
| Mar 19, 2012 | 47.35 | 47.78 | 47.11 | 47.59 | 1,047,403 | +0.59(+1.25%) |
| Mar 16, 2012 | 45.68 | 47.00 | 45.44 | 47.00 | 1,223,637 | +1.72(+3.80%) |
| Mar 15, 2012 | 45.60 | 45.93 | 44.02 | 45.28 | 2,299,476 | -0.33(-0.72%) |
| Mar 14, 2012 | 46.17 | 46.79 | 45.16 | 45.61 | 1,224,778 | -0.87(-1.87%) |
| Mar 13, 2012 | 45.98 | 47.08 | 45.65 | 46.48 | 910,855 | +0.23(+0.50%) |
| Mar 12, 2012 | 45.91 | 46.40 | 45.35 | 46.25 | 905,393 | -0.94(-1.99%) |
| Mar 09, 2012 | 46.57 | 47.76 | 46.35 | 47.19 | 1,176,727 | +0.68(+1.46%) |
| Mar 08, 2012 | 46.24 | 46.95 | 45.79 | 46.51 | 988,297 | +0.48(+1.04%) |
| Mar 07, 2012 | 44.80 | 46.36 | 44.56 | 46.03 | 1,909,596 | +1.04(+2.31%) |
| Mar 06, 2012 | 44.94 | 45.62 | 44.67 | 44.99 | 2,201,122 | -1.87(-3.99%) |
| Mar 05, 2012 | 46.79 | 46.91 | 45.95 | 46.86 | 1,082,505 | +0.36(+0.77%) |
| Mar 02, 2012 | 47.56 | 47.64 | 45.73 | 46.50 | 2,256,776 | -2.08(-4.28%) |