Historical Prices
| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 29, 2012 | 73.55 | 74.73 | 73.25 | 73.32 | 3,892,684 | -0.44(-0.59%) |
| Feb 28, 2012 | 74.21 | 74.24 | 73.37 | 73.76 | 2,683,291 | -0.32(-0.43%) |
| Feb 27, 2012 | 74.51 | 74.53 | 73.52 | 74.08 | 2,692,734 | -0.81(-1.08%) |
| Feb 24, 2012 | 74.89 | 75.27 | 74.65 | 74.89 | 1,814,288 | -0.02(-0.03%) |
| Feb 23, 2012 | 74.55 | 75.25 | 74.08 | 74.91 | 2,221,063 | +0.27(+0.36%) |
| Feb 22, 2012 | 73.88 | 74.79 | 73.43 | 74.64 | 2,425,094 | +0.61(+0.82%) |
| Feb 21, 2012 | 75.02 | 75.03 | 73.73 | 74.03 | 3,049,180 | -0.63(-0.84%) |
| Feb 17, 2012 | 75.32 | 75.44 | 74.44 | 74.66 | 2,672,430 | -0.84(-1.11%) |
| Feb 16, 2012 | 74.54 | 75.74 | 74.46 | 75.50 | 2,648,954 | +0.90(+1.21%) |
| Feb 15, 2012 | 74.36 | 76.09 | 73.83 | 74.60 | 5,340,087 | +0.46(+0.61%) |
| Feb 14, 2012 | 72.85 | 74.15 | 72.77 | 74.14 | 3,273,882 | +0.98(+1.35%) |
| Feb 13, 2012 | 72.51 | 73.47 | 71.91 | 73.16 | 2,402,384 | +1.42(+1.98%) |
| Feb 10, 2012 | 71.97 | 72.29 | 71.51 | 71.74 | 2,988,643 | -0.26(-0.36%) |
| Feb 09, 2012 | 73.15 | 73.19 | 71.92 | 72.00 | 4,058,728 | -0.86(-1.18%) |
| Feb 08, 2012 | 73.23 | 73.41 | 72.00 | 72.86 | 2,062,356 | -0.55(-0.75%) |
| Feb 07, 2012 | 73.81 | 73.83 | 72.70 | 73.41 | 2,480,501 | -0.11(-0.16%) |
| Feb 06, 2012 | 72.84 | 73.85 | 72.81 | 73.53 | 2,060,785 | +0.32(+0.43%) |
| Feb 03, 2012 | 74.40 | 74.48 | 72.77 | 73.21 | 3,434,622 | -0.95(-1.28%) |
| Feb 02, 2012 | 73.74 | 74.58 | 73.53 | 74.16 | 2,014,994 | +0.24(+0.32%) |
| Feb 01, 2012 | 72.72 | 74.32 | 72.70 | 73.92 | 3,875,157 | +1.23(+1.69%) |
| Jan 31, 2012 | 72.01 | 72.96 | 72.01 | 72.69 | 2,760,275 | -0.03(-0.04%) |
| Jan 30, 2012 | 71.29 | 72.72 | 71.23 | 72.72 | 3,385,708 | -0.65(-0.89%) |
| Jan 27, 2012 | 72.73 | 73.75 | 71.49 | 73.37 | 3,473,094 | +0.71(+0.98%) |
| Jan 26, 2012 | 73.96 | 74.63 | 72.34 | 72.66 | 3,992,802 | -1.13(-1.53%) |
| Jan 25, 2012 | 73.60 | 74.20 | 73.04 | 73.79 | 3,777,183 | -0.23(-0.31%) |
| Jan 24, 2012 | 73.24 | 74.04 | 72.87 | 74.02 | 2,947,237 | +0.59(+0.80%) |
| Jan 23, 2012 | 73.99 | 74.13 | 72.96 | 73.43 | 2,605,689 | -0.41(-0.56%) |
| Jan 20, 2012 | 72.40 | 74.75 | 72.21 | 73.84 | 4,991,111 | +1.63(+2.26%) |
| Jan 19, 2012 | 72.84 | 72.92 | 72.00 | 72.21 | 3,182,770 | -0.53(-0.73%) |
| Jan 18, 2012 | 72.88 | 73.18 | 72.48 | 72.74 | 3,546,493 | -0.37(-0.51%) |
| Jan 17, 2012 | 73.53 | 75.11 | 72.66 | 73.11 | 2,945,667 | +0.48(+0.66%) |
| Jan 13, 2012 | 72.76 | 72.90 | 71.88 | 72.63 | 2,848,579 | -0.57(-0.78%) |
| Jan 12, 2012 | 72.22 | 73.49 | 71.21 | 73.20 | 5,421,344 | +1.13(+1.57%) |
| Jan 11, 2012 | 70.51 | 72.31 | 70.19 | 72.07 | 4,311,414 | +1.81(+2.58%) |
| Jan 10, 2012 | 69.19 | 70.77 | 68.88 | 70.26 | 5,424,373 | +2.03(+2.98%) |
| Jan 09, 2012 | 67.23 | 68.85 | 66.87 | 68.23 | 6,796,401 | +1.01(+1.50%) |
| Jan 06, 2012 | 68.12 | 68.45 | 66.28 | 67.22 | 5,766,143 | -1.29(-1.88%) |
| Jan 05, 2012 | 67.97 | 69.26 | 67.68 | 68.51 | 3,335,713 | +0.59(+0.87%) |
| Jan 04, 2012 | 68.34 | 68.93 | 67.68 | 67.92 | 2,678,203 | +0.32(+0.47%) |
| Dec 30, 2011 | 67.41 | 68.10 | 67.36 | 67.60 | 1,780,963 | +0.05(+0.07%) |
| Dec 29, 2011 | 67.02 | 67.64 | 66.85 | 67.55 | 1,544,195 | +0.75(+1.12%) |
| Dec 28, 2011 | 68.16 | 68.16 | 66.73 | 66.80 | 1,937,725 | -1.21(-1.78%) |
| Dec 27, 2011 | 67.27 | 68.04 | 67.05 | 68.01 | 1,319,361 | +0.69(+1.02%) |
| Dec 23, 2011 | 67.44 | 67.44 | 66.60 | 67.32 | 1,169,622 | +0.77(+1.16%) |
| Dec 21, 2011 | 66.56 | 67.53 | 65.73 | 66.55 | 3,209,887 | +0.12(+0.18%) |
| Dec 20, 2011 | 65.38 | 66.88 | 65.36 | 66.43 | 5,120,959 | +1.85(+2.86%) |
| Dec 19, 2011 | 63.84 | 65.00 | 63.60 | 64.58 | 3,186,368 | +0.89(+1.40%) |
| Dec 16, 2011 | 63.43 | 64.02 | 62.89 | 63.69 | 5,738,674 | +0.59(+0.94%) |
| Dec 15, 2011 | 63.50 | 63.60 | 62.98 | 63.10 | 3,135,774 | +0.07(+0.11%) |
| Dec 14, 2011 | 63.79 | 64.61 | 62.83 | 63.03 | 3,713,179 | -0.93(-1.45%) |
| Dec 13, 2011 | 64.10 | 64.71 | 63.70 | 63.96 | 4,324,122 | +0.30(+0.47%) |
| Dec 12, 2011 | 62.90 | 64.47 | 62.56 | 63.66 | 5,148,378 | +0.08(+0.13%) |
| Dec 09, 2011 | 61.49 | 63.71 | 61.17 | 63.58 | 3,986,665 | +2.29(+3.74%) |
| Dec 08, 2011 | 62.39 | 62.71 | 61.14 | 61.29 | 2,499,685 | -1.36(-2.17%) |
| Dec 07, 2011 | 62.20 | 62.99 | 61.87 | 62.65 | 2,448,182 | +0.44(+0.71%) |
| Dec 06, 2011 | 61.57 | 62.50 | 61.38 | 62.21 | 3,823,075 | +0.90(+1.47%) |
| Dec 05, 2011 | 62.20 | 62.31 | 60.89 | 61.31 | 4,352,208 | +0.10(+0.16%) |
| Dec 02, 2011 | 63.06 | 63.19 | 61.08 | 61.21 | 4,131,981 | -1.55(-2.47%) |
