| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 28, 2011 | 66.81 | 66.81 | 65.08 | 65.54 | 65,350 | -2.95(-4.31%) |
| Feb 25, 2011 | 70.96 | 70.96 | 68.40 | 68.49 | 48,236 | -4.46(-6.11%) |
| Feb 24, 2011 | 73.83 | 75.30 | 72.47 | 72.95 | 27,254 | -0.98(-1.33%) |
| Feb 23, 2011 | 70.87 | 75.83 | 70.11 | 73.93 | 112,448 | +3.13(+4.42%) |
| Feb 22, 2011 | 66.77 | 71.15 | 64.56 | 70.80 | 110,060 | +7.86(+12.49%) |
| Feb 18, 2011 | 62.11 | 63.50 | 62.10 | 62.94 | 37,070 | +0.65(+1.05%) |
| Feb 17, 2011 | 62.04 | 62.75 | 61.98 | 62.29 | 48,498 | +0.60(+0.97%) |
| Feb 16, 2011 | 60.12 | 61.69 | 59.55 | 61.69 | 47,498 | +0.72(+1.18%) |
| Feb 15, 2011 | 60.49 | 61.03 | 60.28 | 60.97 | 30,322 | +0.81(+1.35%) |
| Feb 14, 2011 | 60.73 | 61.02 | 60.15 | 60.16 | 38,659 | -0.54(-0.89%) |
| Feb 11, 2011 | 65.67 | 62.40 | 60.65 | 60.70 | 42,208 | -1.00(-1.62%) |
| Feb 10, 2011 | 63.37 | 63.37 | 61.51 | 61.70 | 32,338 | -0.05(-0.08%) |
| Feb 09, 2011 | 62.11 | 63.00 | 61.61 | 61.75 | 55,026 | +0.30(+0.49%) |
| Feb 08, 2011 | 62.19 | 63.00 | 61.26 | 61.45 | 23,363 | -0.85(-1.37%) |
| Feb 07, 2011 | 62.74 | 62.74 | 61.61 | 62.30 | 20,856 | -1.17(-1.84%) |
| Feb 04, 2011 | 64.79 | 64.95 | 63.35 | 63.47 | 33,398 | -1.53(-2.35%) |
| Feb 03, 2011 | 66.03 | 67.68 | 64.80 | 65.00 | 17,026 | -0.78(-1.19%) |
| Feb 02, 2011 | 66.56 | 66.70 | 64.91 | 65.78 | 19,752 | -0.27(-0.41%) |
| Feb 01, 2011 | 67.78 | 67.78 | 65.38 | 66.05 | 37,878 | -3.30(-4.76%) |
| Jan 31, 2011 | 68.71 | 69.81 | 68.38 | 69.35 | 26,747 | -0.28(-0.40%) |
| Jan 28, 2011 | 64.01 | 70.61 | 63.63 | 69.63 | 61,502 | +5.38(+8.37%) |
| Jan 27, 2011 | 65.57 | 65.85 | 64.10 | 64.25 | 14,037 | -1.23(-1.88%) |
| Jan 26, 2011 | 66.94 | 67.37 | 65.16 | 65.48 | 32,366 | -2.11(-3.12%) |
| Jan 25, 2011 | 69.19 | 70.17 | 67.59 | 67.59 | 25,197 | -0.87(-1.27%) |
| Jan 24, 2011 | 70.10 | 70.45 | 68.31 | 68.46 | 35,103 | -1.51(-2.16%) |
| Jan 21, 2011 | 67.39 | 70.62 | 67.37 | 69.97 | 34,088 | +0.66(+0.95%) |
| Jan 20, 2011 | 70.39 | 72.04 | 68.93 | 69.31 | 98,232 | -0.61(-0.87%) |
| Jan 19, 2011 | 66.81 | 71.25 | 66.64 | 69.92 | 55,164 | +3.46(+5.20%) |
| Jan 18, 2011 | 68.02 | 68.38 | 66.42 | 66.46 | 20,370 | -2.09(-3.04%) |
| Jan 14, 2011 | 72.00 | 72.00 | 67.80 | 68.55 | 46,600 | -2.95(-4.13%) |
| Jan 13, 2011 | 72.28 | 73.04 | 71.49 | 71.50 | 13,963 | -0.85(-1.17%) |
| Jan 12, 2011 | 74.11 | 74.27 | 72.16 | 72.35 | 44,693 | -3.38(-4.46%) |
| Jan 11, 2011 | 76.72 | 77.26 | 75.51 | 75.73 | 60,825 | -2.15(-2.77%) |
| Jan 10, 2011 | 79.64 | 80.87 | 77.76 | 77.88 | 70,182 | -0.16(-0.21%) |
| Jan 07, 2011 | 77.24 | 80.01 | 76.18 | 78.04 | 42,977 | +0.16(+0.21%) |
| Jan 06, 2011 | 77.44 | 78.68 | 76.87 | 77.88 | 83,300 | +0.33(+0.43%) |
| Jan 05, 2011 | 80.05 | 80.10 | 77.18 | 77.55 | 74,240 | -1.68(-2.12%) |