Historical Prices
| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| May 31, 2012 | 45.98 | 46.22 | 44.26 | 45.30 | 1,779,863 | -0.68(-1.48%) |
| May 30, 2012 | 46.35 | 46.35 | 45.27 | 45.98 | 2,328,155 | -1.12(-2.38%) |
| May 29, 2012 | 46.70 | 47.70 | 46.47 | 47.10 | 1,292,483 | +0.85(+1.84%) |
| May 25, 2012 | 45.80 | 46.68 | 45.68 | 46.25 | 962,483 | +0.42(+0.92%) |
| May 24, 2012 | 46.72 | 46.75 | 45.13 | 45.83 | 1,896,639 | -0.74(-1.59%) |
| May 23, 2012 | 44.97 | 46.66 | 44.53 | 46.57 | 2,302,336 | +1.01(+2.22%) |
| May 22, 2012 | 45.78 | 47.94 | 45.25 | 45.56 | 3,306,243 | +0.37(+0.82%) |
| May 21, 2012 | 43.45 | 45.33 | 43.32 | 45.19 | 1,900,004 | +1.72(+3.96%) |
| May 18, 2012 | 44.08 | 44.58 | 43.16 | 43.47 | 1,858,439 | -0.08(-0.18%) |
| May 17, 2012 | 43.73 | 44.82 | 43.31 | 43.55 | 2,048,034 | +0.12(+0.28%) |
| May 16, 2012 | 44.01 | 45.18 | 43.34 | 43.43 | 1,988,115 | -0.43(-0.98%) |
| May 15, 2012 | 45.10 | 45.37 | 43.74 | 43.86 | 1,854,437 | -1.17(-2.60%) |
| May 14, 2012 | 45.31 | 45.63 | 44.93 | 45.03 | 1,763,078 | -0.91(-1.98%) |
| May 11, 2012 | 45.93 | 47.00 | 45.41 | 45.94 | 1,538,316 | -0.44(-0.95%) |
| May 10, 2012 | 47.56 | 48.34 | 46.26 | 46.38 | 2,615,377 | -0.61(-1.30%) |
| May 09, 2012 | 46.61 | 47.54 | 46.04 | 46.99 | 1,767,507 | -0.62(-1.30%) |
| May 08, 2012 | 47.07 | 47.69 | 45.73 | 47.61 | 1,837,086 | -0.02(-0.04%) |
| May 07, 2012 | 47.35 | 48.01 | 46.32 | 47.63 | 1,705,575 | +0.16(+0.34%) |
| May 04, 2012 | 48.57 | 48.59 | 46.92 | 47.47 | 2,007,392 | -1.81(-3.67%) |
| May 03, 2012 | 50.78 | 50.84 | 49.09 | 49.28 | 1,675,395 | -1.53(-3.01%) |
| May 02, 2012 | 51.28 | 51.58 | 50.49 | 50.81 | 1,193,884 | -1.02(-1.97%) |
| May 01, 2012 | 51.24 | 52.56 | 50.52 | 51.83 | 1,600,129 | +0.44(+0.86%) |
| Apr 30, 2012 | 50.87 | 51.68 | 50.29 | 51.39 | 1,534,887 | +0.40(+0.78%) |
| Apr 27, 2012 | 52.51 | 52.68 | 50.67 | 50.99 | 1,715,114 | -1.88(-3.56%) |
| Apr 26, 2012 | 52.82 | 53.60 | 51.83 | 52.87 | 3,582,490 | -1.71(-3.13%) |
| Apr 25, 2012 | 53.46 | 54.78 | 53.18 | 54.58 | 2,095,369 | +1.81(+3.43%) |
| Apr 24, 2012 | 52.15 | 53.31 | 51.56 | 52.77 | 1,377,505 | +0.87(+1.68%) |
| Apr 23, 2012 | 50.73 | 51.99 | 50.13 | 51.90 | 1,520,532 | +0.40(+0.78%) |
| Apr 20, 2012 | 52.75 | 53.40 | 51.41 | 51.50 | 1,710,821 | -0.83(-1.59%) |
| Apr 19, 2012 | 52.49 | 53.34 | 51.96 | 52.33 | 1,058,915 | -0.09(-0.17%) |
| Apr 18, 2012 | 52.14 | 53.47 | 52.10 | 52.42 | 877,039 | -0.15(-0.29%) |
| Apr 17, 2012 | 52.05 | 53.38 | 52.02 | 52.57 | 1,047,868 | +1.16(+2.26%) |
| Apr 16, 2012 | 52.55 | 52.67 | 51.16 | 51.41 | 1,023,159 | -0.81(-1.55%) |
| Apr 13, 2012 | 54.03 | 54.08 | 52.15 | 52.22 | 1,048,428 | -2.16(-3.97%) |
| Apr 12, 2012 | 52.18 | 54.65 | 52.14 | 54.38 | 1,296,900 | +2.18(+4.18%) |
| Apr 11, 2012 | 52.83 | 53.41 | 52.01 | 52.20 | 932,916 | +0.13(+0.25%) |
| Apr 10, 2012 | 53.60 | 53.96 | 51.67 | 52.07 | 1,642,613 | -1.55(-2.89%) |
| Apr 09, 2012 | 53.39 | 54.54 | 52.65 | 53.62 | 1,781,209 | +0.12(+0.22%) |
| Apr 05, 2012 | 53.39 | 55.00 | 53.27 | 53.50 | 1,595,660 | -0.17(-0.32%) |
| Apr 04, 2012 | 53.89 | 54.44 | 53.15 | 53.67 | 1,465,859 | -1.10(-2.01%) |
| Apr 03, 2012 | 54.36 | 55.42 | 53.79 | 54.77 | 2,462,482 | -0.19(-0.35%) |
| Apr 02, 2012 | 54.06 | 55.74 | 53.92 | 54.96 | 2,192,292 | +1.01(+1.87%) |
| Mar 30, 2012 | 52.76 | 54.63 | 52.41 | 53.95 | 1,664,460 | +1.55(+2.96%) |
| Mar 29, 2012 | 52.74 | 53.23 | 51.69 | 52.40 | 2,053,680 | -0.77(-1.45%) |
| Mar 28, 2012 | 54.27 | 54.64 | 52.78 | 53.17 | 1,860,932 | -1.37(-2.51%) |
| Mar 27, 2012 | 54.81 | 55.36 | 54.50 | 54.54 | 1,622,947 | -0.46(-0.84%) |
| Mar 26, 2012 | 56.11 | 56.32 | 54.78 | 55.00 | 1,580,181 | -0.52(-0.94%) |
| Mar 23, 2012 | 54.80 | 55.89 | 54.55 | 55.52 | 1,034,828 | +0.72(+1.31%) |
| Mar 22, 2012 | 56.28 | 56.28 | 54.23 | 54.80 | 1,993,746 | -1.88(-3.32%) |
| Mar 21, 2012 | 57.19 | 57.52 | 56.04 | 56.68 | 1,462,358 | -1.15(-1.99%) |
| Mar 20, 2012 | 58.48 | 58.49 | 57.17 | 57.83 | 1,730,478 | -1.30(-2.20%) |
| Mar 19, 2012 | 59.39 | 59.66 | 58.20 | 59.13 | 1,046,005 | -0.19(-0.32%) |
| Mar 16, 2012 | 58.93 | 59.78 | 58.87 | 59.32 | 1,087,902 | +0.71(+1.21%) |
| Mar 15, 2012 | 58.90 | 59.24 | 57.59 | 58.61 | 1,075,850 | -0.20(-0.34%) |
| Mar 14, 2012 | 60.00 | 60.00 | 58.41 | 58.81 | 947,445 | -1.29(-2.15%) |
| Mar 13, 2012 | 59.61 | 60.35 | 58.82 | 60.10 | 1,156,002 | +0.90(+1.52%) |
| Mar 12, 2012 | 60.88 | 60.88 | 58.89 | 59.20 | 755,685 | -1.65(-2.71%) |
| Mar 09, 2012 | 60.55 | 62.24 | 60.43 | 60.85 | 903,032 | +0.42(+0.70%) |
| Mar 08, 2012 | 59.78 | 61.00 | 59.01 | 60.43 | 957,692 | +1.34(+2.27%) |
| Mar 07, 2012 | 57.69 | 59.37 | 57.28 | 59.09 | 1,258,964 | +1.24(+2.14%) |
| Mar 06, 2012 | 58.19 | 58.30 | 57.35 | 57.85 | 1,187,994 | -1.62(-2.72%) |
| Mar 05, 2012 | 60.21 | 60.43 | 58.56 | 59.47 | 1,323,197 | -1.30(-2.14%) |
| Mar 02, 2012 | 62.12 | 62.55 | 60.43 | 60.77 | 1,044,632 | -1.61(-2.58%) |
