| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 28, 2013 | 155.01 | 155.94 | 155.01 | 155.94 | 0 | +0.32(+0.21%) |
| Feb 27, 2013 | 155.73 | 155.73 | 155.62 | 155.62 | 0 | -0.48(-0.31%) |
| Feb 26, 2013 | 156.28 | 156.28 | 156.10 | 156.10 | 0 | +1.89(+1.23%) |
| Feb 22, 2013 | 153.41 | 154.21 | 153.41 | 154.21 | 260 | +0.79(+0.51%) |
| Feb 21, 2013 | 152.74 | 153.42 | 152.74 | 153.42 | 0 | +1.68(+1.11%) |
| Feb 20, 2013 | 150.97 | 151.74 | 150.97 | 151.74 | 0 | +0.29(+0.19%) |
| Feb 19, 2013 | 151.94 | 151.94 | 151.45 | 151.45 | 79 | -0.26(-0.17%) |
| Feb 18, 2013 | 151.88 | 151.88 | 151.71 | 151.71 | 0 | +0.17(+0.11%) |
| Feb 15, 2013 | 151.84 | 151.84 | 151.47 | 151.54 | 2,507 | -0.64(-0.42%) |
| Feb 14, 2013 | 151.25 | 152.18 | 151.25 | 152.18 | 14 | +1.17(+0.77%) |
| Feb 13, 2013 | 150.97 | 151.01 | 150.97 | 151.01 | 0 | +0.04(+0.03%) |
| Feb 12, 2013 | 152.00 | 152.00 | 150.97 | 150.97 | 0 | -0.56(-0.37%) |
| Feb 11, 2013 | 151.58 | 152.17 | 151.53 | 151.53 | 139 | -0.63(-0.41%) |
| Feb 08, 2013 | 152.06 | 152.16 | 152.01 | 152.16 | 2 | -0.11(-0.07%) |
| Feb 07, 2013 | 150.68 | 152.27 | 150.68 | 152.27 | 0 | +1.92(+1.28%) |
| Feb 06, 2013 | 150.34 | 150.35 | 150.17 | 150.35 | 25 | -0.29(-0.19%) |
| Feb 04, 2013 | 149.21 | 150.64 | 149.21 | 150.64 | 17 | +1.75(+1.18%) |
| Feb 01, 2013 | 149.52 | 149.52 | 148.89 | 148.89 | 0 | -1.05(-0.70%) |
| Jan 31, 2013 | 150.14 | 150.14 | 149.86 | 149.94 | 3,015 | +0.47(+0.31%) |
| Jan 30, 2013 | 150.25 | 150.25 | 149.47 | 149.47 | 0 | -1.62(-1.07%) |
| Jan 29, 2013 | 151.46 | 151.46 | 151.09 | 151.09 | 14 | +0.12(+0.08%) |
| Jan 28, 2013 | 151.70 | 151.70 | 150.97 | 150.97 | 705 | -0.75(-0.49%) |
| Jan 25, 2013 | 152.61 | 152.61 | 151.72 | 151.72 | 10 | -1.14(-0.75%) |
| Jan 24, 2013 | 154.25 | 154.25 | 152.86 | 152.86 | 40 | -1.34(-0.87%) |
| Jan 23, 2013 | 154.32 | 154.32 | 153.36 | 154.20 | 13 | +0.09(+0.06%) |
| Jan 22, 2013 | 153.07 | 154.11 | 153.07 | 154.11 | 132 | +0.14(+0.09%) |
| Jan 21, 2013 | 153.92 | 153.97 | 153.92 | 153.97 | 10 | -0.04(-0.03%) |
| Jan 18, 2013 | 152.57 | 154.01 | 152.57 | 154.01 | 0 | +0.82(+0.54%) |
| Jan 17, 2013 | 154.29 | 154.29 | 153.19 | 153.19 | 80 | -0.79(-0.51%) |
| Jan 16, 2013 | 154.68 | 154.68 | 153.98 | 153.98 | 0 | -0.03(-0.02%) |
| Jan 15, 2013 | 153.71 | 154.01 | 153.71 | 154.01 | 187 | +0.68(+0.44%) |
| Jan 14, 2013 | 153.13 | 153.33 | 153.13 | 153.33 | 0 | +0.29(+0.19%) |
| Jan 11, 2013 | 153.90 | 153.90 | 153.04 | 153.04 | 0 | -1.75(-1.13%) |
| Jan 10, 2013 | 156.69 | 156.69 | 154.79 | 154.79 | 0 | -1.92(-1.23%) |
| Jan 09, 2013 | 156.04 | 156.71 | 156.04 | 156.71 | 0 | +0.35(+0.22%) |
| Jan 08, 2013 | 155.67 | 156.36 | 155.67 | 156.36 | 0 | +1.03(+0.66%) |
| Jan 07, 2013 | 156.45 | 156.45 | 155.26 | 155.33 | 15 | -0.09(-0.06%) |
| Jan 04, 2013 | 155.91 | 155.91 | 155.42 | 155.42 | 0 | -0.28(-0.18%) |
| Jan 03, 2013 | 155.95 | 156.00 | 155.40 | 155.70 | 70 | +0.56(+0.36%) |
| Jan 02, 2013 | 155.14 | 155.14 | 155.14 | 155.14 | 0 | -1.09(-0.70%) |
| Dec 31, 2012 | 156.23 | 156.23 | 156.23 | 0 | +0.14(+0.09%) | |
| Dec 28, 2012 | 155.54 | 156.65 | 155.54 | 156.09 | 40 | +0.01(+0.01%) |
| Dec 27, 2012 | 155.49 | 156.08 | 155.49 | 156.08 | 0 | +0.22(+0.14%) |
| Dec 24, 2012 | 155.86 | 155.86 | 155.86 | 0 | -0.66(-0.42%) | |
| Dec 21, 2012 | 156.20 | 156.52 | 155.89 | 156.52 | 1,000 | +1.04(+0.67%) |
| Dec 20, 2012 | 155.62 | 155.62 | 154.76 | 155.48 | 149 | +0.34(+0.22%) |
| Dec 19, 2012 | 155.20 | 155.20 | 155.14 | 155.14 | 0 | -0.05(-0.03%) |
| Dec 18, 2012 | 156.38 | 156.38 | 155.19 | 155.19 | 0 | -1.52(-0.97%) |
| Dec 17, 2012 | 156.89 | 157.03 | 156.71 | 156.71 | 115 | -0.70(-0.44%) |
| Dec 14, 2012 | 157.41 | 157.41 | 157.41 | 157.41 | 0 | -0.51(-0.32%) |
| Dec 13, 2012 | 158.64 | 158.99 | 157.92 | 157.92 | 145 | -1.60(-1.00%) |
| Dec 12, 2012 | 159.78 | 159.78 | 159.43 | 159.52 | 23 | -0.54(-0.34%) |
| Dec 11, 2012 | 161.01 | 161.01 | 160.06 | 160.06 | 2,288 | -1.01(-0.63%) |
| Dec 10, 2012 | 161.66 | 161.66 | 161.07 | 161.07 | 143 | +0.23(+0.14%) |
| Dec 07, 2012 | 161.13 | 161.49 | 160.84 | 160.84 | 35 | +0.00(+0.00%) |
| Dec 06, 2012 | 159.49 | 160.84 | 159.49 | 160.84 | 13 | +1.69(+1.06%) |
| Dec 05, 2012 | 158.16 | 159.15 | 158.16 | 159.15 | 25 | +0.37(+0.23%) |
| Dec 04, 2012 | 158.74 | 158.78 | 158.74 | 158.78 | 0 | -0.19(-0.12%) |