| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Apr 30, 2012 | 57.43 | 57.75 | 56.91 | 57.37 | 9,323,552 | -0.06(-0.10%) |
| Apr 27, 2012 | 58.27 | 58.50 | 56.47 | 57.43 | 27,366,999 | -3.23(-5.32%) |
| Apr 26, 2012 | 59.85 | 61.15 | 59.40 | 60.66 | 14,895,255 | +1.16(+1.95%) |
| Apr 25, 2012 | 58.71 | 59.71 | 58.35 | 59.50 | 7,041,800 | +1.45(+2.50%) |
| Apr 24, 2012 | 58.97 | 59.75 | 57.76 | 58.05 | 8,973,115 | -0.51(-0.87%) |
| Apr 23, 2012 | 58.68 | 58.84 | 57.75 | 58.56 | 7,601,057 | -0.60(-1.01%) |
| Apr 20, 2012 | 59.07 | 59.87 | 59.00 | 59.16 | 8,069,821 | +0.35(+0.60%) |
| Apr 19, 2012 | 60.40 | 60.44 | 58.58 | 58.81 | 9,278,858 | -1.52(-2.52%) |
| Apr 18, 2012 | 59.00 | 60.73 | 58.92 | 60.33 | 9,065,127 | +1.67(+2.85%) |
| Apr 17, 2012 | 59.94 | 59.95 | 58.18 | 58.66 | 15,274,066 | -0.99(-1.66%) |
| Apr 16, 2012 | 61.93 | 62.00 | 59.51 | 59.65 | 12,683,584 | -2.02(-3.28%) |
| Apr 13, 2012 | 60.28 | 61.98 | 59.75 | 61.67 | 15,277,461 | +1.04(+1.72%) |
| Apr 12, 2012 | 59.44 | 60.65 | 59.02 | 60.62 | 12,208,535 | +1.33(+2.24%) |
| Apr 11, 2012 | 57.36 | 59.32 | 57.19 | 59.29 | 12,087,730 | +2.51(+4.43%) |
| Apr 10, 2012 | 57.76 | 57.92 | 56.60 | 56.78 | 9,077,182 | -0.64(-1.11%) |
| Apr 09, 2012 | 57.27 | 57.96 | 57.11 | 57.42 | 6,285,172 | -0.76(-1.31%) |
| Apr 05, 2012 | 57.12 | 58.47 | 57.07 | 58.18 | 8,179,797 | +1.22(+2.14%) |
| Apr 04, 2012 | 57.26 | 57.65 | 56.66 | 56.96 | 7,075,330 | +0.05(+0.09%) |
| Apr 03, 2012 | 56.69 | 57.17 | 56.43 | 56.91 | 5,932,457 | +0.24(+0.42%) |
| Apr 02, 2012 | 56.03 | 56.89 | 55.96 | 56.67 | 6,090,176 | +0.78(+1.40%) |
| Mar 30, 2012 | 56.20 | 56.25 | 55.74 | 55.89 | 4,487,993 | +0.16(+0.29%) |
| Mar 29, 2012 | 55.60 | 55.87 | 54.62 | 55.73 | 6,701,161 | -0.30(-0.54%) |
| Mar 28, 2012 | 56.22 | 56.55 | 55.66 | 56.03 | 6,049,020 | -0.23(-0.41%) |
| Mar 27, 2012 | 55.97 | 56.46 | 55.66 | 56.26 | 6,710,462 | +0.35(+0.63%) |
| Mar 26, 2012 | 55.52 | 55.91 | 55.18 | 55.91 | 6,564,772 | +0.56(+1.02%) |
| Mar 23, 2012 | 55.49 | 55.50 | 54.50 | 55.35 | 6,877,890 | +0.14(+0.25%) |
| Mar 22, 2012 | 53.68 | 55.25 | 53.65 | 55.21 | 10,696,283 | +1.40(+2.59%) |
| Mar 21, 2012 | 53.93 | 53.96 | 53.51 | 53.81 | 4,261,311 | +0.08(+0.15%) |
| Mar 20, 2012 | 53.52 | 53.83 | 53.23 | 53.73 | 6,308,182 | +0.18(+0.34%) |
| Mar 19, 2012 | 53.03 | 53.57 | 52.66 | 53.55 | 5,717,528 | +0.34(+0.64%) |
| Mar 16, 2012 | 53.25 | 53.37 | 52.87 | 53.21 | 11,996,752 | +0.14(+0.26%) |
| Mar 15, 2012 | 52.85 | 53.11 | 52.68 | 53.07 | 6,318,093 | +0.39(+0.74%) |
| Mar 14, 2012 | 52.00 | 52.91 | 51.92 | 52.68 | 7,369,800 | +0.34(+0.65%) |
| Mar 13, 2012 | 51.24 | 52.35 | 51.12 | 52.34 | 9,239,514 | +1.23(+2.41%) |
| Mar 12, 2012 | 51.96 | 52.02 | 50.94 | 51.11 | 6,811,733 | -0.73(-1.41%) |
| Mar 09, 2012 | 51.75 | 52.47 | 51.07 | 51.84 | 14,189,457 | +1.47(+2.92%) |
| Mar 08, 2012 | 49.65 | 50.75 | 49.65 | 50.37 | 8,295,280 | +0.88(+1.78%) |
| Mar 07, 2012 | 48.43 | 49.52 | 48.39 | 49.49 | 5,710,087 | +1.16(+2.40%) |
| Mar 06, 2012 | 48.54 | 49.04 | 48.10 | 48.33 | 4,103,599 | -0.71(-1.45%) |
| Mar 05, 2012 | 48.69 | 49.40 | 48.69 | 49.04 | 4,453,236 | +0.15(+0.31%) |
| Mar 02, 2012 | 48.76 | 49.12 | 48.53 | 48.89 | 4,088,675 | +0.18(+0.37%) |
| Mar 01, 2012 | 48.69 | 49.09 | 48.47 | 48.71 | 4,336,448 | +0.15(+0.31%) |
| Feb 29, 2012 | 48.86 | 48.88 | 48.49 | 48.56 | 5,122,597 | -0.35(-0.72%) |
| Feb 28, 2012 | 48.23 | 48.92 | 48.16 | 48.91 | 3,826,567 | +0.68(+1.41%) |
| Feb 27, 2012 | 48.13 | 48.56 | 47.78 | 48.23 | 3,356,431 | -0.07(-0.14%) |
| Feb 24, 2012 | 48.40 | 48.70 | 48.10 | 48.30 | 3,277,218 | -0.16(-0.33%) |
| Feb 23, 2012 | 48.34 | 48.55 | 48.00 | 48.46 | 4,126,653 | +0.13(+0.27%) |
| Feb 22, 2012 | 48.29 | 48.44 | 47.87 | 48.33 | 4,324,380 | +0.07(+0.15%) |
| Feb 21, 2012 | 48.42 | 48.87 | 48.07 | 48.26 | 4,145,765 | -0.19(-0.39%) |
| Feb 17, 2012 | 48.67 | 49.02 | 48.43 | 48.45 | 6,352,895 | -0.07(-0.14%) |
| Feb 16, 2012 | 48.36 | 48.79 | 48.33 | 48.52 | 4,883,117 | +0.04(+0.08%) |
| Feb 15, 2012 | 49.05 | 49.20 | 48.41 | 48.48 | 4,045,829 | -0.64(-1.30%) |
| Feb 14, 2012 | 48.97 | 49.12 | 48.66 | 49.12 | 3,310,534 | -0.13(-0.26%) |
| Feb 13, 2012 | 49.05 | 49.27 | 48.73 | 49.25 | 3,858,250 | +0.43(+0.88%) |
| Feb 10, 2012 | 48.80 | 48.90 | 48.50 | 48.82 | 4,088,345 | -0.38(-0.77%) |
| Feb 09, 2012 | 48.86 | 49.36 | 48.76 | 49.20 | 4,755,616 | +0.48(+0.99%) |
| Feb 08, 2012 | 48.47 | 48.81 | 48.28 | 48.72 | 3,836,044 | +0.31(+0.64%) |
| Feb 07, 2012 | 48.25 | 48.60 | 48.12 | 48.41 | 3,175,806 | +0.12(+0.25%) |
| Feb 06, 2012 | 48.12 | 48.50 | 47.99 | 48.29 | 3,707,687 | -0.03(-0.06%) |
| Feb 03, 2012 | 47.97 | 48.40 | 47.94 | 48.32 | 4,999,084 | +0.66(+1.38%) |
| Feb 02, 2012 | 48.23 | 48.49 | 47.41 | 47.66 | 5,988,807 | -0.58(-1.20%) |