Historical Prices
| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| 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%) |
| Mar 01, 2012 | 61.67 | 62.96 | 61.28 | 62.38 | 1,437,799 | +1.08(+1.76%) |
| Feb 29, 2012 | 61.40 | 61.61 | 59.99 | 61.30 | 2,063,562 | -0.07(-0.11%) |
| Feb 28, 2012 | 62.54 | 62.65 | 60.82 | 61.37 | 1,328,140 | -0.79(-1.27%) |
| Feb 27, 2012 | 62.16 | 62.52 | 61.36 | 62.16 | 1,048,463 | -0.56(-0.89%) |
| Feb 24, 2012 | 62.94 | 63.23 | 62.30 | 62.72 | 1,101,281 | +0.02(+0.03%) |
| Feb 23, 2012 | 63.15 | 63.57 | 61.91 | 62.70 | 1,181,240 | -0.40(-0.63%) |
| Feb 22, 2012 | 62.48 | 63.92 | 62.28 | 63.10 | 1,395,196 | +0.82(+1.32%) |
| Feb 21, 2012 | 63.73 | 64.20 | 61.93 | 62.28 | 1,550,121 | -1.00(-1.58%) |
| Feb 17, 2012 | 61.98 | 64.00 | 61.57 | 63.28 | 3,341,033 | +2.96(+4.91%) |
| Feb 16, 2012 | 58.94 | 60.42 | 58.63 | 60.32 | 1,681,232 | +1.49(+2.53%) |
| Feb 15, 2012 | 59.30 | 59.70 | 58.22 | 58.83 | 2,186,198 | -0.26(-0.44%) |
| Feb 14, 2012 | 59.12 | 59.65 | 58.44 | 59.09 | 968,351 | -0.22(-0.37%) |
| Feb 13, 2012 | 59.08 | 59.52 | 58.65 | 59.31 | 1,662,241 | +0.04(+0.07%) |
| Feb 10, 2012 | 58.96 | 59.56 | 58.65 | 59.27 | 1,250,489 | -0.67(-1.12%) |
| Feb 09, 2012 | 60.85 | 60.92 | 59.54 | 59.94 | 1,665,038 | -0.85(-1.40%) |
| Feb 08, 2012 | 60.98 | 61.72 | 60.50 | 60.79 | 1,632,167 | -0.19(-0.31%) |
| Feb 07, 2012 | 60.67 | 61.18 | 59.19 | 60.98 | 1,617,142 | +0.03(+0.05%) |
| Feb 06, 2012 | 61.02 | 61.50 | 60.46 | 60.95 | 1,721,019 | -0.67(-1.09%) |
| Feb 03, 2012 | 62.76 | 62.88 | 61.22 | 61.62 | 1,480,166 | -0.19(-0.31%) |
| Feb 02, 2012 | 61.53 | 62.45 | 60.83 | 61.81 | 2,084,556 | +0.31(+0.50%) |
