| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 26, 2010 | 21.66 | 21.75 | 21.56 | 21.69 | 9,701,918 | +0.03(+0.14%) |
| Feb 25, 2010 | 21.44 | 21.70 | 21.30 | 21.66 | 11,657,436 | -0.05(-0.24%) |
| Feb 24, 2010 | 21.61 | 21.79 | 21.59 | 21.71 | 7,538,968 | +0.20(+0.94%) |
| Feb 23, 2010 | 21.76 | 21.77 | 21.42 | 21.51 | 10,485,631 | -0.27(-1.24%) |
| Feb 22, 2010 | 21.93 | 21.94 | 21.74 | 21.78 | 7,037,284 | -0.04(-0.18%) |
| Feb 19, 2010 | 21.76 | 21.93 | 21.73 | 21.82 | 6,767,797 | -0.06(-0.27%) |
| Feb 18, 2010 | 21.73 | 21.92 | 21.68 | 21.88 | 5,763,740 | +0.14(+0.64%) |
| Feb 17, 2010 | 21.78 | 21.78 | 21.63 | 21.74 | 8,903,296 | +0.06(+0.28%) |
| Feb 16, 2010 | 21.49 | 21.68 | 21.43 | 21.68 | 10,233,285 | +0.32(+1.50%) |
| Feb 12, 2010 | 21.36 | 21.36 | 21.36 | 0 | +0.04(+0.19%) | |
| Feb 11, 2010 | 21.10 | 21.40 | 20.95 | 21.32 | 15,174,728 | +0.22(+1.04%) |
| Feb 10, 2010 | 21.21 | 21.24 | 20.97 | 21.10 | 10,423,313 | -0.06(-0.28%) |
| Feb 09, 2010 | 21.21 | 21.36 | 21.02 | 21.16 | 15,890,356 | +0.18(+0.86%) |
| Feb 08, 2010 | 21.10 | 21.22 | 20.95 | 20.98 | 22,943,793 | -0.09(-0.43%) |
| Feb 05, 2010 | 20.89 | 21.11 | 20.71 | 21.07 | 23,253,682 | +0.21(+1.01%) |
| Feb 04, 2010 | 21.33 | 21.37 | 20.84 | 20.86 | 16,489,074 | -0.60(-2.80%) |
| Feb 03, 2010 | 21.33 | 21.51 | 21.31 | 21.46 | 14,783,126 | +0.05(+0.23%) |
| Feb 02, 2010 | 21.27 | 21.47 | 21.15 | 21.41 | 13,695,574 | +0.30(+1.40%) |
| Feb 01, 2010 | 21.06 | 21.25 | 21.05 | 21.11 | 19,207,546 | +0.16(+0.74%) |
| Jan 29, 2010 | 21.53 | 21.56 | 20.86 | 20.96 | 26,897,583 | -0.37(-1.74%) |
| Jan 28, 2010 | 21.85 | 21.88 | 21.24 | 21.33 | 23,139,274 | -0.63(-2.87%) |
| Jan 27, 2010 | 21.79 | 22.01 | 21.63 | 21.96 | 17,684,927 | +0.18(+0.83%) |
| Jan 26, 2010 | 21.80 | 22.05 | 21.68 | 21.78 | 16,114,457 | -0.06(-0.27%) |
| Jan 25, 2010 | 21.86 | 21.98 | 21.72 | 21.84 | 33,340,054 | +0.18(+0.83%) |
| Jan 22, 2010 | 22.40 | 22.40 | 21.63 | 21.66 | 33,702,076 | -0.78(-3.48%) |
| Jan 21, 2010 | 22.75 | 22.86 | 22.37 | 22.44 | 12,804,570 | -0.24(-1.06%) |
| Jan 20, 2010 | 22.87 | 22.87 | 22.47 | 22.68 | 14,698,952 | -0.37(-1.61%) |
| Jan 19, 2010 | 22.71 | 23.05 | 22.71 | 23.05 | 7,482,746 | +0.39(+1.72%) |
| Jan 15, 2010 | 22.66 | 22.66 | 22.66 | 0 | -0.32(-1.39%) | |
| Jan 14, 2010 | 22.90 | 23.06 | 22.87 | 22.98 | 7,506,600 | +0.06(+0.26%) |
| Jan 13, 2010 | 22.80 | 22.95 | 22.60 | 22.92 | 10,053,633 | +0.22(+0.97%) |
| Jan 12, 2010 | 22.82 | 22.85 | 22.61 | 22.70 | 9,742,618 | -0.25(-1.09%) |
| Jan 11, 2010 | 23.14 | 23.15 | 22.84 | 22.95 | 15,238,856 | -0.09(-0.39%) |
| Jan 08, 2010 | 22.86 | 23.06 | 22.78 | 23.04 | 11,886,659 | +0.15(+0.66%) |
| Jan 07, 2010 | 23.00 | 23.00 | 22.81 | 22.89 | 7,292,426 | -0.09(-0.39%) |
| Jan 06, 2010 | 23.24 | 23.25 | 22.96 | 22.98 | 10,024,014 | -0.26(-1.12%) |
| Jan 05, 2010 | 23.30 | 23.30 | 23.10 | 23.24 | 19,988,202 | -0.03(-0.13%) |
| Jan 04, 2010 | 23.14 | 23.29 | 23.10 | 23.27 | 8,449,375 | +0.34(+1.48%) |
| Dec 31, 2009 | 22.93 | 22.93 | 22.93 | 0 | -0.20(-0.86%) | |
| Dec 30, 2009 | 23.01 | 23.14 | 22.98 | 23.13 | 5,683,447 | +0.08(+0.35%) |
| Dec 29, 2009 | 23.12 | 23.12 | 23.01 | 23.05 | 3,849,384 | -0.03(-0.13%) |
| Dec 28, 2009 | 23.05 | 23.11 | 22.95 | 23.08 | 9,133,221 | +0.07(+0.30%) |
| Dec 24, 2009 | 22.87 | 23.02 | 22.82 | 23.01 | 1,666,549 | +0.21(+0.92%) |
| Dec 23, 2009 | 22.76 | 22.82 | 22.67 | 22.80 | 5,490,479 | +0.09(+0.40%) |
| Dec 22, 2009 | 22.60 | 22.71 | 22.58 | 22.71 | 3,801,993 | +0.14(+0.62%) |
| Dec 21, 2009 | 22.47 | 22.62 | 22.41 | 22.57 | 6,207,657 | +0.24(+1.07%) |
| Dec 18, 2009 | 22.22 | 22.36 | 22.12 | 22.33 | 7,314,838 | +0.25(+1.13%) |
| Dec 17, 2009 | 22.27 | 22.27 | 22.06 | 22.08 | 5,125,039 | -0.26(-1.16%) |
| Dec 16, 2009 | 22.39 | 22.46 | 22.31 | 22.34 | 4,497,722 | +0.06(+0.27%) |
| Dec 15, 2009 | 22.37 | 22.46 | 22.20 | 22.28 | 5,083,783 | -0.14(-0.62%) |
| Dec 14, 2009 | 22.41 | 22.45 | 22.38 | 22.42 | 11,716,500 | +0.18(+0.81%) |
| Dec 11, 2009 | 22.37 | 22.40 | 22.17 | 22.24 | 4,097,986 | -0.05(-0.22%) |
| Dec 10, 2009 | 22.27 | 22.39 | 22.25 | 22.29 | 10,928,363 | +0.10(+0.45%) |
| Dec 09, 2009 | 22.02 | 22.19 | 21.88 | 22.19 | 7,479,208 | +0.21(+0.96%) |
| Dec 08, 2009 | 22.08 | 22.17 | 21.90 | 21.98 | 8,826,263 | -0.25(-1.10%) |
| Dec 07, 2009 | 22.24 | 22.31 | 22.13 | 22.23 | 6,634,499 | +0.01(+0.02%) |
| Dec 04, 2009 | 22.31 | 22.45 | 22.00 | 22.22 | 11,020,795 | +0.14(+0.63%) |
| Dec 03, 2009 | 22.17 | 22.27 | 22.03 | 22.08 | 6,448,227 | +0.01(+0.05%) |
| Dec 02, 2009 | 22.10 | 22.27 | 22.03 | 22.07 | 5,212,131 | -0.03(-0.14%) |