| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Jun 29, 2012 | 79.33 | 79.99 | 79.12 | 79.79 | 0 | +0.37(+0.47%) |
| Jun 28, 2012 | 79.46 | 79.51 | 79.42 | 79.43 | 0 | -0.26(-0.33%) |
| Jun 27, 2012 | 79.69 | 79.69 | 79.68 | 79.68 | 0 | +0.19(+0.24%) |
| Jun 26, 2012 | 79.46 | 79.51 | 79.46 | 79.50 | 0 | -0.14(-0.18%) |
| Jun 25, 2012 | 79.68 | 79.68 | 79.57 | 79.64 | 0 | -0.78(-0.97%) |
| Jun 22, 2012 | 80.42 | 80.42 | 80.42 | 0 | +0.21(+0.26%) | |
| Jun 21, 2012 | 80.25 | 80.25 | 80.19 | 80.21 | 0 | +0.74(+0.93%) |
| Jun 20, 2012 | 79.46 | 79.53 | 79.43 | 79.46 | 0 | +0.49(+0.62%) |
| Jun 19, 2012 | 78.93 | 79.00 | 78.93 | 78.97 | 0 | -0.12(-0.15%) |
| Jun 18, 2012 | 79.10 | 79.11 | 79.08 | 79.10 | 0 | +0.45(+0.57%) |
| Jun 15, 2012 | 79.40 | 79.50 | 78.61 | 78.64 | 0 | -0.75(-0.94%) |
| Jun 14, 2012 | 79.38 | 79.40 | 79.36 | 79.39 | 0 | -0.04(-0.05%) |
| Jun 13, 2012 | 79.43 | 79.44 | 79.40 | 79.43 | 0 | -0.12(-0.15%) |
| Jun 12, 2012 | 79.58 | 79.62 | 79.54 | 79.56 | 0 | +0.18(+0.23%) |
| Jun 11, 2012 | 79.39 | 79.40 | 79.36 | 79.38 | 0 | -0.07(-0.09%) |
| Jun 08, 2012 | 79.44 | 79.44 | 79.44 | 0 | -0.22(-0.28%) | |
| Jun 07, 2012 | 79.64 | 79.68 | 79.62 | 79.67 | 0 | +0.42(+0.53%) |
| Jun 06, 2012 | 79.24 | 79.25 | 79.22 | 79.25 | 0 | +0.50(+0.63%) |
| Jun 05, 2012 | 78.72 | 78.75 | 78.72 | 78.75 | 0 | +0.42(+0.54%) |
| Jun 04, 2012 | 78.39 | 78.39 | 78.31 | 78.32 | 0 | +0.36(+0.46%) |
| Jun 01, 2012 | 77.96 | 77.96 | 77.96 | 0 | -0.40(-0.51%) | |
| May 31, 2012 | 78.36 | 78.36 | 78.35 | 78.36 | 0 | -0.75(-0.95%) |
| May 30, 2012 | 79.08 | 79.12 | 79.07 | 79.11 | 0 | -0.41(-0.52%) |
| May 29, 2012 | 79.51 | 79.54 | 79.49 | 79.53 | 0 | +0.06(+0.08%) |
| May 28, 2012 | 79.46 | 79.49 | 79.46 | 79.46 | 0 | -0.20(-0.25%) |
| May 25, 2012 | 79.67 | 79.67 | 79.67 | 0 | +0.08(+0.10%) | |
| May 24, 2012 | 79.57 | 79.60 | 79.57 | 79.58 | 0 | +0.14(+0.18%) |
| May 23, 2012 | 79.46 | 79.46 | 79.44 | 79.44 | 0 | -0.52(-0.65%) |
| May 22, 2012 | 79.96 | 79.97 | 79.96 | 79.96 | 0 | +0.66(+0.83%) |
| May 21, 2012 | 79.29 | 79.32 | 79.28 | 79.31 | 0 | +0.30(+0.38%) |
| May 18, 2012 | 79.00 | 79.00 | 79.00 | 0 | -0.31(-0.39%) | |
| May 17, 2012 | 79.32 | 79.39 | 79.29 | 79.32 | 0 | -1.01(-1.26%) |
| May 16, 2012 | 80.31 | 80.35 | 80.29 | 80.32 | 0 | +0.09(+0.11%) |
| May 15, 2012 | 80.18 | 80.24 | 80.14 | 80.24 | 0 | +0.38(+0.48%) |
| May 14, 2012 | 79.85 | 79.86 | 79.81 | 79.86 | 0 | -0.07(-0.09%) |
| May 11, 2012 | 79.93 | 79.93 | 79.93 | 0 | +0.04(+0.05%) | |
| May 10, 2012 | 79.88 | 79.92 | 79.86 | 79.89 | 0 | +0.26(+0.33%) |
| May 09, 2012 | 79.67 | 79.68 | 79.61 | 79.62 | 0 | -0.25(-0.31%) |
| May 08, 2012 | 79.86 | 79.89 | 79.86 | 79.88 | 0 | -0.01(-0.01%) |
| May 07, 2012 | 79.89 | 79.90 | 79.89 | 79.89 | 0 | +0.05(+0.06%) |
| May 04, 2012 | 79.83 | 79.83 | 79.83 | 0 | -0.35(-0.44%) | |
| May 03, 2012 | 80.19 | 80.19 | 80.18 | 80.18 | 0 | +0.07(+0.09%) |
| May 02, 2012 | 80.12 | 80.14 | 80.11 | 80.11 | 0 | +0.03(+0.04%) |
| May 01, 2012 | 80.07 | 80.08 | 80.04 | 80.08 | 0 | +0.27(+0.34%) |
| Apr 30, 2012 | 79.78 | 79.83 | 79.76 | 79.82 | 0 | -0.38(-0.47%) |
| Apr 27, 2012 | 80.19 | 80.19 | 80.19 | 0 | -0.80(-0.99%) | |
| Apr 26, 2012 | 81.06 | 81.11 | 80.96 | 81.00 | 0 | -0.32(-0.39%) |
| Apr 25, 2012 | 81.33 | 81.33 | 81.32 | 81.32 | 0 | +0.00(+0.00%) |
| Apr 24, 2012 | 81.32 | 81.32 | 81.29 | 81.32 | 0 | +0.15(+0.18%) |
| Apr 23, 2012 | 81.15 | 81.17 | 81.15 | 81.17 | 0 | -0.36(-0.44%) |
| Apr 20, 2012 | 81.53 | 81.53 | 81.53 | 0 | -0.07(-0.09%) | |
| Apr 19, 2012 | 81.62 | 81.64 | 81.58 | 81.60 | 0 | +0.31(+0.38%) |
| Apr 18, 2012 | 81.28 | 81.29 | 81.22 | 81.29 | 0 | +0.40(+0.49%) |
| Apr 17, 2012 | 80.86 | 80.89 | 80.85 | 80.89 | 0 | +0.46(+0.57%) |
| Apr 16, 2012 | 80.43 | 80.46 | 80.36 | 80.43 | 0 | -0.49(-0.61%) |
| Apr 13, 2012 | 80.92 | 80.92 | 80.92 | 0 | +0.05(+0.06%) | |
| Apr 12, 2012 | 80.86 | 80.86 | 80.86 | 80.86 | 0 | +0.01(+0.01%) |
| Apr 11, 2012 | 80.86 | 80.88 | 80.83 | 80.86 | 0 | +0.15(+0.19%) |
| Apr 10, 2012 | 80.64 | 80.75 | 80.64 | 80.71 | 0 | -0.85(-1.04%) |
| Apr 09, 2012 | 81.56 | 81.57 | 81.53 | 81.56 | 0 | -0.81(-0.98%) |
| Apr 05, 2012 | 82.32 | 82.39 | 82.31 | 82.36 | 0 | -0.05(-0.06%) |
| Apr 04, 2012 | 82.43 | 82.44 | 82.40 | 82.42 | 0 | -0.39(-0.47%) |
| Apr 03, 2012 | 82.81 | 82.86 | 82.75 | 82.81 | 0 | +0.71(+0.86%) |
