| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| May 31, 2012 | 28.07 | 28.41 | 27.75 | 28.21 | 2,283,682 | +0.07(+0.25%) |
| May 30, 2012 | 29.21 | 29.25 | 27.28 | 28.14 | 5,244,326 | -1.32(-4.48%) |
| May 29, 2012 | 29.29 | 29.46 | 29.03 | 29.46 | 998,762 | +0.35(+1.20%) |
| May 25, 2012 | 29.07 | 29.30 | 29.00 | 29.11 | 1,058,578 | +0.09(+0.31%) |
| May 24, 2012 | 28.95 | 29.21 | 28.82 | 29.02 | 1,837,545 | +0.17(+0.59%) |
| May 23, 2012 | 28.33 | 28.94 | 28.05 | 28.85 | 1,419,777 | +0.38(+1.33%) |
| May 22, 2012 | 28.60 | 29.00 | 28.38 | 28.47 | 2,034,895 | +0.00(+0.00%) |
| May 21, 2012 | 28.04 | 28.58 | 27.75 | 28.47 | 1,578,961 | +0.48(+1.71%) |
| May 18, 2012 | 28.19 | 28.48 | 27.91 | 27.99 | 2,075,032 | -0.03(-0.11%) |
| May 17, 2012 | 28.68 | 28.72 | 28.02 | 28.02 | 2,764,153 | -0.63(-2.20%) |
| May 16, 2012 | 28.59 | 29.01 | 28.46 | 28.65 | 2,574,064 | +0.17(+0.60%) |
| May 15, 2012 | 28.63 | 28.93 | 28.43 | 28.48 | 2,045,426 | -0.22(-0.77%) |
| May 14, 2012 | 29.31 | 29.38 | 28.64 | 28.70 | 1,363,398 | -0.89(-3.01%) |
| May 11, 2012 | 29.78 | 30.11 | 29.59 | 29.59 | 1,480,301 | -0.45(-1.50%) |
| May 10, 2012 | 29.67 | 30.20 | 29.63 | 30.04 | 2,114,582 | +0.62(+2.11%) |
| May 09, 2012 | 29.39 | 29.81 | 29.16 | 29.42 | 1,408,026 | -0.33(-1.11%) |
| May 08, 2012 | 29.68 | 29.85 | 29.25 | 29.75 | 2,632,678 | -0.09(-0.30%) |
| May 07, 2012 | 29.79 | 29.97 | 29.60 | 29.84 | 1,516,838 | +0.00(+0.00%) |
| May 04, 2012 | 30.29 | 30.63 | 29.72 | 29.84 | 1,607,438 | -0.59(-1.94%) |
| May 03, 2012 | 30.93 | 30.93 | 30.09 | 30.43 | 3,590,085 | -1.19(-3.76%) |
| May 02, 2012 | 30.90 | 31.73 | 30.70 | 31.62 | 2,544,945 | +0.63(+2.03%) |
| May 01, 2012 | 30.87 | 31.51 | 30.84 | 30.99 | 2,744,789 | +0.12(+0.39%) |
| Apr 30, 2012 | 31.27 | 31.27 | 30.86 | 30.87 | 1,976,702 | -0.42(-1.34%) |
| Apr 27, 2012 | 31.35 | 31.50 | 31.15 | 31.29 | 1,444,063 | +0.00(+0.00%) |
| Apr 26, 2012 | 31.29 | 31.46 | 30.98 | 31.29 | 2,316,337 | +0.04(+0.13%) |
| Apr 25, 2012 | 31.26 | 31.58 | 30.91 | 31.25 | 1,757,141 | +0.32(+1.03%) |
| Apr 24, 2012 | 31.25 | 31.37 | 30.61 | 30.93 | 1,490,588 | -0.24(-0.77%) |
| Apr 23, 2012 | 31.21 | 31.33 | 30.85 | 31.17 | 1,201,810 | -0.32(-1.02%) |
| Apr 20, 2012 | 31.35 | 31.58 | 31.11 | 31.49 | 1,494,479 | +0.23(+0.74%) |
| Apr 19, 2012 | 31.74 | 31.89 | 30.89 | 31.26 | 1,558,497 | -0.48(-1.51%) |
| Apr 18, 2012 | 32.15 | 32.26 | 31.70 | 31.74 | 1,429,812 | -0.50(-1.55%) |
| Apr 17, 2012 | 31.83 | 32.39 | 31.65 | 32.24 | 1,504,695 | +0.61(+1.93%) |
| Apr 16, 2012 | 31.47 | 31.84 | 31.12 | 31.63 | 1,156,179 | +0.32(+1.02%) |
| Apr 13, 2012 | 31.72 | 31.90 | 31.24 | 31.31 | 1,754,541 | -0.50(-1.57%) |
| Apr 12, 2012 | 31.73 | 31.94 | 31.56 | 31.81 | 2,021,850 | +0.07(+0.22%) |
| Apr 11, 2012 | 31.46 | 31.85 | 31.38 | 31.74 | 2,223,342 | +0.38(+1.21%) |
| Apr 10, 2012 | 32.22 | 32.32 | 31.35 | 31.36 | 3,312,854 | -1.42(-4.33%) |
| Apr 09, 2012 | 32.75 | 33.00 | 32.29 | 32.78 | 2,461,008 | -0.45(-1.35%) |
| Apr 05, 2012 | 33.96 | 34.48 | 33.11 | 33.23 | 4,465,402 | -1.69(-4.84%) |
| Apr 04, 2012 | 34.30 | 35.13 | 34.30 | 34.92 | 1,746,582 | +0.29(+0.84%) |
| Apr 03, 2012 | 34.44 | 34.93 | 34.32 | 34.63 | 1,292,038 | +0.13(+0.38%) |
| Apr 02, 2012 | 34.53 | 34.99 | 34.37 | 34.50 | 2,519,731 | -0.15(-0.43%) |
| Mar 30, 2012 | 34.32 | 34.82 | 34.03 | 34.65 | 1,603,704 | +0.46(+1.35%) |
| Mar 29, 2012 | 33.85 | 34.26 | 33.69 | 34.19 | 1,016,519 | +0.02(+0.06%) |
| Mar 28, 2012 | 34.77 | 34.87 | 34.00 | 34.17 | 963,544 | -0.63(-1.81%) |
| Mar 27, 2012 | 35.00 | 35.17 | 34.76 | 34.80 | 1,027,201 | -0.18(-0.51%) |
| Mar 26, 2012 | 34.42 | 34.98 | 34.21 | 34.98 | 1,165,335 | +0.83(+2.43%) |
| Mar 23, 2012 | 34.23 | 34.33 | 33.65 | 34.15 | 1,312,833 | -0.07(-0.20%) |
| Mar 22, 2012 | 34.25 | 34.59 | 34.10 | 34.22 | 874,979 | -0.24(-0.70%) |
| Mar 21, 2012 | 34.53 | 34.69 | 34.19 | 34.46 | 979,564 | -0.08(-0.23%) |
| Mar 20, 2012 | 34.32 | 34.65 | 34.17 | 34.54 | 822,442 | -0.02(-0.06%) |
| Mar 19, 2012 | 34.33 | 34.65 | 33.91 | 34.56 | 869,607 | +0.35(+1.02%) |
| Mar 16, 2012 | 34.57 | 34.76 | 34.18 | 34.21 | 1,292,421 | -0.29(-0.84%) |
| Mar 15, 2012 | 34.18 | 34.57 | 34.02 | 34.50 | 817,242 | +0.22(+0.64%) |
| Mar 14, 2012 | 34.05 | 34.44 | 33.96 | 34.28 | 842,577 | +0.17(+0.50%) |
| Mar 13, 2012 | 33.69 | 34.12 | 33.46 | 34.11 | 1,018,884 | +0.73(+2.19%) |
| Mar 12, 2012 | 33.62 | 33.92 | 33.26 | 33.38 | 1,103,151 | -0.29(-0.86%) |
| Mar 09, 2012 | 33.59 | 33.72 | 33.15 | 33.67 | 1,671,767 | +0.09(+0.27%) |
| Mar 08, 2012 | 33.06 | 33.88 | 32.83 | 33.58 | 2,376,061 | +0.92(+2.82%) |
| Mar 07, 2012 | 32.13 | 32.75 | 32.00 | 32.66 | 1,994,495 | +0.59(+1.84%) |
| Mar 06, 2012 | 31.69 | 32.24 | 31.51 | 32.07 | 2,350,319 | -0.03(-0.09%) |
| Mar 05, 2012 | 32.10 | 32.17 | 31.73 | 32.10 | 1,890,959 | -0.14(-0.43%) |
| Mar 02, 2012 | 32.59 | 33.15 | 32.15 | 32.24 | 4,930,311 | +1.12(+3.60%) |