| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| May 31, 2012 | 33.82 | 34.41 | 33.79 | 34.17 | 32,269,627 | +0.33(+0.98%) |
| May 30, 2012 | 33.72 | 34.11 | 33.70 | 33.84 | 30,160,739 | -0.10(-0.29%) |
| May 29, 2012 | 33.89 | 33.98 | 33.70 | 33.94 | 22,914,322 | +0.25(+0.74%) |
| May 25, 2012 | 33.66 | 33.85 | 33.52 | 33.69 | 22,284,300 | +0.05(+0.15%) |
| May 24, 2012 | 33.38 | 33.70 | 33.36 | 33.64 | 24,082,528 | +0.28(+0.84%) |
| May 23, 2012 | 33.34 | 33.65 | 33.08 | 33.36 | 25,724,789 | -0.18(-0.54%) |
| May 22, 2012 | 33.56 | 33.81 | 33.44 | 33.54 | 28,027,120 | -0.09(-0.27%) |
| May 21, 2012 | 33.71 | 33.94 | 33.56 | 33.63 | 24,519,780 | -0.03(-0.09%) |
| May 18, 2012 | 33.41 | 33.81 | 33.40 | 33.66 | 38,877,730 | +0.37(+1.11%) |
| May 17, 2012 | 33.17 | 33.52 | 33.11 | 33.29 | 23,399,184 | +0.10(+0.30%) |
| May 16, 2012 | 33.47 | 33.55 | 33.17 | 33.19 | 22,542,043 | -0.16(-0.48%) |
| May 15, 2012 | 33.31 | 33.60 | 33.25 | 33.35 | 28,024,394 | -0.18(-0.54%) |
| May 14, 2012 | 33.42 | 33.56 | 33.05 | 33.53 | 30,006,303 | -0.06(-0.18%) |
| May 11, 2012 | 33.38 | 33.92 | 33.34 | 33.59 | 41,985,192 | +0.46(+1.39%) |
| May 10, 2012 | 33.07 | 33.25 | 32.94 | 33.13 | 23,889,099 | +0.32(+0.98%) |
| May 09, 2012 | 32.87 | 33.03 | 32.71 | 32.81 | 21,602,257 | -0.23(-0.70%) |
| May 08, 2012 | 32.81 | 33.20 | 32.80 | 33.04 | 26,658,744 | +0.04(+0.12%) |
| May 07, 2012 | 32.49 | 33.09 | 32.47 | 33.00 | 25,771,135 | +0.14(+0.43%) |
| May 04, 2012 | 33.04 | 33.11 | 32.82 | 32.86 | 19,113,014 | -0.25(-0.76%) |
| May 03, 2012 | 32.82 | 33.15 | 32.76 | 33.11 | 24,710,038 | +0.07(+0.21%) |
| May 02, 2012 | 33.04 | 33.17 | 32.85 | 33.04 | 27,930,753 | -0.02(-0.06%) |
| May 01, 2012 | 32.93 | 33.33 | 32.93 | 33.06 | 28,322,146 | +0.15(+0.46%) |
| Apr 30, 2012 | 32.53 | 32.95 | 32.52 | 32.91 | 26,651,332 | +0.24(+0.73%) |
| Apr 27, 2012 | 32.47 | 32.75 | 32.45 | 32.67 | 22,278,263 | +0.23(+0.71%) |
| Apr 26, 2012 | 31.79 | 32.53 | 31.78 | 32.44 | 34,748,616 | +0.70(+2.21%) |
| Apr 25, 2012 | 31.76 | 31.97 | 31.72 | 31.74 | 28,458,308 | +0.02(+0.06%) |
| Apr 24, 2012 | 31.22 | 31.92 | 31.13 | 31.72 | 51,904,595 | +1.11(+3.63%) |
| Apr 23, 2012 | 30.87 | 30.90 | 30.61 | 30.61 | 27,331,361 | -0.25(-0.81%) |
| Apr 20, 2012 | 30.74 | 31.09 | 30.70 | 30.86 | 22,069,861 | +0.12(+0.39%) |
| Apr 19, 2012 | 30.79 | 30.88 | 30.60 | 30.74 | 16,744,194 | -0.01(-0.03%) |
| Apr 18, 2012 | 30.75 | 30.85 | 30.66 | 30.75 | 12,861,001 | -0.14(-0.45%) |
| Apr 17, 2012 | 30.77 | 30.95 | 30.67 | 30.89 | 21,704,445 | +0.28(+0.91%) |
| Apr 16, 2012 | 30.56 | 30.72 | 30.50 | 30.61 | 14,735,977 | +0.07(+0.23%) |
| Apr 13, 2012 | 30.75 | 30.86 | 30.52 | 30.54 | 25,030,285 | -0.30(-0.97%) |
| Apr 12, 2012 | 30.79 | 30.88 | 30.68 | 30.84 | 19,678,520 | +0.39(+1.28%) |
| Apr 11, 2012 | 30.39 | 30.51 | 30.27 | 30.45 | 21,593,524 | +0.32(+1.06%) |
| Apr 10, 2012 | 30.52 | 30.62 | 29.95 | 30.13 | 34,767,460 | -0.51(-1.66%) |
| Apr 09, 2012 | 30.67 | 30.84 | 30.55 | 30.64 | 19,223,229 | -0.30(-0.97%) |
| Apr 05, 2012 | 31.09 | 31.16 | 30.75 | 30.94 | 21,473,570 | -0.63(-2.00%) |
| Apr 04, 2012 | 31.38 | 31.66 | 31.38 | 31.57 | 26,604,840 | +0.14(+0.45%) |
| Apr 03, 2012 | 31.43 | 31.60 | 31.33 | 31.43 | 21,993,808 | -0.02(-0.06%) |
| Apr 02, 2012 | 31.28 | 31.59 | 31.27 | 31.45 | 21,695,281 | +0.22(+0.70%) |
| Mar 30, 2012 | 31.32 | 31.38 | 31.16 | 31.23 | 21,748,065 | +0.02(+0.06%) |
| Mar 29, 2012 | 31.05 | 31.21 | 30.77 | 31.21 | 28,703,218 | -0.15(-0.48%) |
| Mar 28, 2012 | 31.53 | 31.57 | 31.20 | 31.36 | 31,387,107 | -0.28(-0.88%) |
| Mar 27, 2012 | 31.79 | 31.95 | 31.60 | 31.64 | 27,903,243 | -0.15(-0.47%) |
| Mar 26, 2012 | 31.61 | 31.83 | 31.59 | 31.79 | 75,567,476 | +0.27(+0.86%) |
| Mar 23, 2012 | 31.66 | 31.72 | 31.38 | 31.52 | 77,770,324 | -0.19(-0.60%) |
| Mar 22, 2012 | 31.80 | 31.86 | 31.56 | 31.71 | 80,257,498 | -0.13(-0.41%) |
| Mar 21, 2012 | 31.85 | 31.97 | 31.83 | 31.84 | 21,085,260 | +0.05(+0.16%) |
| Mar 20, 2012 | 31.60 | 31.83 | 31.51 | 31.79 | 18,135,219 | +0.14(+0.44%) |
| Mar 19, 2012 | 31.46 | 31.74 | 31.35 | 31.65 | 19,745,982 | +0.06(+0.19%) |
| Mar 16, 2012 | 31.70 | 31.71 | 31.51 | 31.59 | 28,667,216 | -0.05(-0.16%) |
| Mar 15, 2012 | 31.41 | 31.65 | 31.35 | 31.64 | 20,003,112 | +0.19(+0.60%) |
| Mar 14, 2012 | 31.60 | 31.80 | 31.42 | 31.45 | 24,505,946 | -0.18(-0.57%) |
| Mar 13, 2012 | 31.52 | 31.64 | 31.44 | 31.63 | 23,764,571 | +0.19(+0.60%) |
| Mar 12, 2012 | 31.20 | 31.52 | 31.18 | 31.44 | 20,570,784 | +0.26(+0.83%) |
| Mar 09, 2012 | 31.00 | 31.18 | 31.00 | 31.18 | 19,202,138 | +0.18(+0.58%) |
| Mar 08, 2012 | 31.07 | 31.15 | 30.88 | 31.00 | 18,745,595 | +0.12(+0.39%) |
| Mar 07, 2012 | 30.69 | 30.97 | 30.69 | 30.88 | 16,542,349 | +0.15(+0.50%) |
| Mar 06, 2012 | 30.80 | 30.97 | 30.66 | 30.73 | 25,447,188 | -0.26(-0.86%) |
| Mar 05, 2012 | 30.85 | 31.11 | 30.75 | 30.99 | 39,273,111 | +0.12(+0.39%) |
| Mar 02, 2012 | 30.67 | 31.00 | 30.60 | 30.87 | 23,542,566 | +0.24(+0.78%) |