| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| May 31, 2012 | 38.07 | 38.10 | 37.31 | 37.83 | 607,039 | -0.29(-0.76%) |
| May 30, 2012 | 38.34 | 38.53 | 37.67 | 38.12 | 349,997 | -0.70(-1.80%) |
| May 29, 2012 | 38.65 | 39.48 | 38.48 | 38.82 | 451,056 | +0.35(+0.91%) |
| May 25, 2012 | 38.17 | 38.61 | 37.72 | 38.47 | 354,561 | +0.38(+1.00%) |
| May 24, 2012 | 37.88 | 38.40 | 37.55 | 38.09 | 448,760 | +0.41(+1.09%) |
| May 23, 2012 | 36.99 | 37.75 | 36.60 | 37.68 | 317,081 | +0.63(+1.70%) |
| May 22, 2012 | 37.41 | 38.15 | 36.74 | 37.05 | 319,470 | -0.38(-1.02%) |
| May 21, 2012 | 35.45 | 37.61 | 35.45 | 37.43 | 534,347 | +2.02(+5.70%) |
| May 18, 2012 | 36.30 | 36.85 | 35.28 | 35.41 | 584,139 | -1.02(-2.80%) |
| May 17, 2012 | 37.53 | 37.87 | 36.38 | 36.43 | 498,126 | -1.18(-3.14%) |
| May 16, 2012 | 38.00 | 38.24 | 37.41 | 37.61 | 298,960 | -0.25(-0.66%) |
| May 15, 2012 | 37.64 | 38.83 | 37.27 | 37.86 | 799,801 | +0.62(+1.66%) |
| May 14, 2012 | 37.82 | 37.92 | 37.08 | 37.24 | 409,555 | -0.83(-2.18%) |
| May 11, 2012 | 37.22 | 38.57 | 37.09 | 38.07 | 359,530 | +0.58(+1.55%) |
| May 10, 2012 | 36.77 | 37.51 | 36.44 | 37.49 | 527,090 | +1.10(+3.02%) |
| May 09, 2012 | 37.31 | 37.53 | 36.35 | 36.39 | 537,426 | -1.24(-3.30%) |
| May 08, 2012 | 37.70 | 37.94 | 37.04 | 37.63 | 358,148 | -0.48(-1.26%) |
| May 07, 2012 | 37.77 | 38.18 | 37.59 | 38.11 | 427,908 | +0.31(+0.82%) |
| May 04, 2012 | 38.03 | 38.11 | 37.70 | 37.80 | 345,177 | -0.51(-1.33%) |
| May 03, 2012 | 39.20 | 39.61 | 38.00 | 38.31 | 412,338 | -1.03(-2.62%) |
| May 02, 2012 | 38.27 | 39.44 | 38.27 | 39.34 | 394,091 | +0.64(+1.65%) |
| May 01, 2012 | 38.41 | 39.39 | 38.15 | 38.70 | 505,265 | +0.29(+0.76%) |
| Apr 30, 2012 | 38.63 | 38.94 | 38.29 | 38.41 | 794,261 | -0.09(-0.23%) |
| Apr 27, 2012 | 38.51 | 38.90 | 37.91 | 38.50 | 445,033 | +0.29(+0.76%) |
| Apr 26, 2012 | 37.02 | 38.37 | 36.91 | 38.21 | 826,407 | +1.04(+2.80%) |
| Apr 25, 2012 | 36.07 | 37.26 | 36.07 | 37.17 | 872,736 | +1.45(+4.06%) |
| Apr 24, 2012 | 36.50 | 36.71 | 35.48 | 35.72 | 1,071,312 | -0.78(-2.14%) |
| Apr 23, 2012 | 37.32 | 37.64 | 36.33 | 36.50 | 1,496,772 | -1.46(-3.85%) |
| Apr 20, 2012 | 39.11 | 39.99 | 37.47 | 37.96 | 3,560,000 | -2.62(-6.46%) |
| Apr 19, 2012 | 39.80 | 40.87 | 39.62 | 40.58 | 1,023,277 | +0.68(+1.70%) |
| Apr 18, 2012 | 39.45 | 40.22 | 39.35 | 39.90 | 694,153 | +0.49(+1.24%) |
| Apr 17, 2012 | 38.71 | 39.57 | 38.60 | 39.41 | 574,258 | +1.02(+2.66%) |
| Apr 16, 2012 | 38.27 | 38.71 | 37.40 | 38.39 | 516,525 | +0.39(+1.03%) |
| Apr 13, 2012 | 38.54 | 38.71 | 37.87 | 38.00 | 253,885 | -0.82(-2.11%) |
| Apr 12, 2012 | 38.54 | 39.14 | 38.37 | 38.82 | 385,813 | +0.19(+0.49%) |
| Apr 11, 2012 | 38.08 | 38.80 | 38.01 | 38.63 | 564,155 | +0.96(+2.55%) |
| Apr 10, 2012 | 39.35 | 39.78 | 37.55 | 37.67 | 732,376 | -1.66(-4.22%) |
| Apr 09, 2012 | 39.65 | 39.95 | 38.91 | 39.33 | 475,868 | -1.08(-2.67%) |
| Apr 05, 2012 | 40.04 | 40.55 | 39.78 | 40.41 | 742,738 | -0.68(-1.65%) |
| Apr 04, 2012 | 41.27 | 41.95 | 40.62 | 41.09 | 507,452 | -0.97(-2.31%) |
| Apr 03, 2012 | 42.00 | 42.32 | 41.50 | 42.06 | 266,508 | -0.15(-0.36%) |
| Apr 02, 2012 | 41.71 | 42.51 | 41.33 | 42.21 | 325,761 | +0.38(+0.91%) |
| Mar 30, 2012 | 42.46 | 42.75 | 41.75 | 41.83 | 369,028 | -0.38(-0.90%) |
| Mar 29, 2012 | 42.65 | 42.91 | 41.66 | 42.21 | 402,227 | -0.81(-1.88%) |
| Mar 28, 2012 | 43.32 | 43.84 | 41.79 | 43.02 | 476,398 | -0.11(-0.26%) |
| Mar 27, 2012 | 44.50 | 44.50 | 43.09 | 43.13 | 374,609 | -1.29(-2.90%) |
| Mar 26, 2012 | 42.80 | 44.47 | 42.33 | 44.42 | 732,116 | +2.14(+5.06%) |
| Mar 23, 2012 | 42.85 | 42.85 | 41.74 | 42.28 | 315,893 | -0.20(-0.47%) |
| Mar 22, 2012 | 40.71 | 42.59 | 40.36 | 42.48 | 521,861 | +1.27(+3.08%) |
| Mar 21, 2012 | 42.21 | 42.24 | 40.91 | 41.21 | 570,209 | -0.78(-1.86%) |
| Mar 20, 2012 | 42.29 | 42.46 | 41.72 | 41.99 | 363,467 | -0.51(-1.20%) |
| Mar 19, 2012 | 42.48 | 43.00 | 42.03 | 42.50 | 401,530 | +0.02(+0.05%) |
| Mar 16, 2012 | 42.11 | 42.81 | 41.70 | 42.48 | 676,526 | +0.60(+1.43%) |
| Mar 15, 2012 | 42.35 | 42.61 | 41.59 | 41.88 | 539,539 | -0.59(-1.39%) |
| Mar 14, 2012 | 42.53 | 42.70 | 42.06 | 42.47 | 386,857 | -0.32(-0.75%) |
| Mar 13, 2012 | 42.78 | 42.81 | 41.80 | 42.79 | 334,199 | +0.35(+0.82%) |
| Mar 12, 2012 | 42.68 | 42.78 | 42.00 | 42.44 | 412,361 | -0.34(-0.79%) |
| Mar 09, 2012 | 42.19 | 42.94 | 41.87 | 42.78 | 575,534 | +0.62(+1.47%) |
| Mar 08, 2012 | 41.33 | 42.22 | 40.76 | 42.16 | 493,904 | +1.00(+2.43%) |
| Mar 07, 2012 | 40.32 | 42.02 | 40.20 | 41.16 | 834,946 | +1.05(+2.62%) |
| Mar 06, 2012 | 40.32 | 40.66 | 39.57 | 40.11 | 546,877 | -0.58(-1.43%) |
| Mar 05, 2012 | 39.36 | 40.73 | 39.18 | 40.69 | 480,590 | +1.27(+3.22%) |
| Mar 02, 2012 | 40.35 | 40.78 | 39.32 | 39.42 | 525,652 | -0.76(-1.89%) |