| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 28, 2011 | 162.36 | 162.99 | 161.24 | 161.88 | 4,773,936 | -0.40(-0.25%) |
| Feb 25, 2011 | 161.06 | 162.34 | 160.86 | 162.28 | 4,522,003 | +1.51(+0.94%) |
| Feb 24, 2011 | 159.63 | 161.27 | 159.05 | 160.77 | 5,709,035 | +0.59(+0.37%) |
| Feb 23, 2011 | 161.81 | 162.68 | 160.14 | 160.18 | 5,998,675 | -1.77(-1.09%) |
| Feb 22, 2011 | 163.57 | 164.26 | 161.78 | 161.95 | 5,207,322 | -2.89(-1.75%) |
| Feb 18, 2011 | 164.46 | 164.84 | 164.10 | 164.84 | 4,245,059 | +0.60(+0.37%) |
| Feb 17, 2011 | 163.30 | 164.67 | 162.85 | 164.24 | 3,230,471 | +0.84(+0.51%) |
| Feb 16, 2011 | 163.33 | 163.60 | 162.75 | 163.40 | 3,219,406 | +0.56(+0.34%) |
| Feb 15, 2011 | 162.89 | 163.57 | 162.52 | 162.84 | 3,768,603 | -0.38(-0.23%) |
| Feb 14, 2011 | 164.18 | 164.38 | 162.85 | 163.22 | 4,131,238 | -0.63(-0.38%) |
| Feb 11, 2011 | 163.98 | 165.01 | 163.31 | 163.85 | 5,185,697 | -0.69(-0.42%) |
| Feb 10, 2011 | 163.90 | 165.00 | 163.18 | 164.54 | 5,737,706 | -0.11(-0.07%) |
| Feb 09, 2011 | 166.05 | 165.97 | 164.10 | 164.65 | 4,635,303 | -1.40(-0.84%) |
| Feb 08, 2011 | 164.82 | 166.25 | 164.32 | 166.05 | 5,615,048 | +1.23(+0.75%) |
| Feb 07, 2011 | 164.08 | 164.99 | 164.02 | 164.82 | 4,931,004 | +0.82(+0.50%) |
| Feb 04, 2011 | 163.48 | 164.14 | 163.22 | 164.00 | 3,755,814 | +0.47(+0.29%) |
| Feb 03, 2011 | 163.16 | 164.20 | 162.81 | 163.53 | 4,684,895 | +0.23(+0.14%) |
| Feb 02, 2011 | 163.40 | 163.60 | 162.61 | 163.30 | 3,904,482 | -0.26(-0.16%) |
| Feb 01, 2011 | 162.11 | 163.94 | 162.00 | 163.56 | 5,834,062 | +1.56(+0.96%) |
| Jan 31, 2011 | 159.18 | 162.00 | 158.68 | 162.00 | 7,196,500 | +2.79(+1.75%) |
| Jan 28, 2011 | 161.05 | 161.92 | 158.67 | 159.21 | 6,720,933 | -1.86(-1.15%) |
| Jan 27, 2011 | 161.43 | 162.18 | 160.86 | 161.07 | 4,879,377 | +0.03(+0.02%) |
| Jan 26, 2011 | 161.67 | 161.90 | 160.42 | 161.04 | 5,353,195 | -0.40(-0.25%) |
| Jan 25, 2011 | 159.63 | 164.35 | 159.00 | 161.44 | 8,261,692 | +2.74(+1.73%) |
| Jan 24, 2011 | 155.42 | 159.79 | 155.33 | 158.70 | 7,285,972 | +3.20(+2.06%) |
| Jan 21, 2011 | 156.40 | 156.78 | 154.96 | 155.50 | 7,009,010 | -0.30(-0.19%) |
| Jan 20, 2011 | 154.53 | 155.96 | 154.45 | 155.80 | 7,441,060 | +0.11(+0.07%) |
| Jan 19, 2011 | 153.26 | 156.13 | 152.83 | 155.69 | 12,142,645 | +5.04(+3.35%) |
| Jan 18, 2011 | 149.82 | 151.46 | 149.38 | 150.65 | 9,166,011 | +0.65(+0.43%) |
| Jan 14, 2011 | 148.89 | 150.00 | 148.47 | 150.00 | 4,546,899 | +1.18(+0.79%) |
| Jan 13, 2011 | 149.24 | 149.29 | 148.25 | 148.82 | 3,445,785 | -0.28(-0.19%) |
| Jan 12, 2011 | 147.99 | 149.29 | 147.67 | 149.10 | 3,998,542 | +1.82(+1.24%) |
| Jan 11, 2011 | 148.20 | 148.35 | 146.75 | 147.28 | 4,164,771 | -0.36(-0.24%) |
| Jan 10, 2011 | 147.58 | 148.06 | 147.23 | 147.64 | 3,633,350 | -0.29(-0.20%) |
| Jan 07, 2011 | 148.79 | 148.86 | 146.94 | 147.93 | 4,136,379 | -0.01(-0.01%) |
| Jan 06, 2011 | 147.13 | 148.79 | 146.82 | 147.94 | 5,032,270 | +0.89(+0.60%) |
| Jan 05, 2011 | 147.34 | 147.48 | 146.73 | 147.05 | 4,659,195 | -0.59(-0.40%) |
| Jan 04, 2011 | 147.56 | 148.22 | 146.64 | 147.64 | 5,060,088 | +0.16(+0.11%) |
| Jan 03, 2011 | 147.21 | 148.20 | 147.14 | 147.48 | 4,603,744 | +0.72(+0.49%) |
| Dec 31, 2010 | 146.73 | 147.07 | 145.96 | 146.76 | 2,969,933 | +0.09(+0.06%) |
| Dec 30, 2010 | 146.36 | 147.11 | 146.25 | 146.67 | 3,039,004 | +0.15(+0.10%) |
| Dec 29, 2010 | 146.00 | 147.50 | 145.71 | 146.52 | 3,662,039 | +0.81(+0.56%) |
| Dec 28, 2010 | 145.31 | 146.15 | 145.06 | 145.71 | 2,700,868 | +0.37(+0.25%) |
| Dec 27, 2010 | 145.12 | 145.70 | 145.00 | 145.34 | 2,314,687 | -0.55(-0.38%) |
| Dec 23, 2010 | 145.89 | 146.33 | 145.33 | 145.89 | 2,425,301 | -0.06(-0.04%) |
| Dec 22, 2010 | 145.66 | 146.40 | 145.58 | 145.95 | 3,388,801 | +0.21(+0.14%) |
| Dec 21, 2010 | 144.99 | 145.99 | 144.33 | 145.74 | 3,779,240 | +1.23(+0.85%) |
| Dec 20, 2010 | 145.39 | 145.54 | 144.39 | 144.51 | 3,981,776 | -0.49(-0.34%) |
| Dec 17, 2010 | 144.69 | 145.50 | 144.40 | 145.00 | 10,026,946 | +0.45(+0.31%) |
| Dec 16, 2010 | 144.84 | 145.32 | 144.15 | 144.55 | 4,178,564 | -0.17(-0.12%) |
| Dec 15, 2010 | 145.13 | 145.72 | 144.31 | 144.72 | 4,433,597 | -1.10(-0.75%) |
| Dec 14, 2010 | 144.26 | 146.01 | 144.26 | 145.82 | 4,802,876 | +1.54(+1.07%) |
| Dec 13, 2010 | 145.14 | 145.40 | 144.21 | 144.28 | 4,741,876 | -0.54(-0.37%) |
| Dec 10, 2010 | 144.88 | 144.95 | 143.73 | 144.82 | 3,503,880 | +0.52(+0.36%) |
| Dec 09, 2010 | 145.94 | 145.94 | 143.52 | 144.30 | 4,405,289 | -0.68(-0.47%) |
| Dec 08, 2010 | 144.35 | 145.65 | 143.84 | 144.98 | 4,962,015 | +0.96(+0.67%) |
| Dec 07, 2010 | 146.02 | 146.27 | 143.87 | 144.02 | 4,830,330 | -0.89(-0.62%) |
| Dec 06, 2010 | 144.54 | 145.87 | 144.52 | 144.91 | 3,321,741 | -0.47(-0.32%) |
| Dec 03, 2010 | 144.25 | 145.68 | 144.25 | 145.38 | 3,710,884 | +0.20(+0.14%) |
| Dec 02, 2010 | 144.33 | 145.85 | 144.30 | 145.18 | 5,375,223 | +0.77(+0.53%) |