| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 29, 2008 | 39.20 | 39.52 | 38.74 | 38.92 | 603,686 | -0.92(-2.31%) |
| Feb 28, 2008 | 39.90 | 40.11 | 39.62 | 39.84 | 522,478 | -0.51(-1.26%) |
| Feb 27, 2008 | 39.81 | 40.60 | 39.81 | 40.35 | 430,423 | +0.13(+0.32%) |
| Feb 26, 2008 | 39.46 | 40.41 | 39.39 | 40.22 | 653,116 | +0.39(+0.98%) |
| Feb 25, 2008 | 39.38 | 39.85 | 39.14 | 39.83 | 923,747 | +0.27(+0.68%) |
| Feb 22, 2008 | 39.33 | 39.56 | 38.69 | 39.56 | 747,579 | +1.16(+3.02%) |
| Feb 21, 2008 | 39.11 | 39.11 | 38.31 | 38.40 | 1,268,011 | -0.69(-1.77%) |
| Feb 20, 2008 | 38.29 | 39.42 | 38.24 | 39.09 | 1,311,183 | +0.29(+0.75%) |
| Feb 19, 2008 | 39.33 | 39.48 | 38.68 | 38.80 | 1,060,756 | +0.90(+2.37%) |
| Feb 18, 2008 | 37.98 | 38.08 | 37.60 | 37.90 | 0 | +0.00(+0.00%) |
| Feb 15, 2008 | 37.98 | 38.08 | 37.60 | 37.90 | 1,294,667 | -0.51(-1.33%) |
| Feb 14, 2008 | 39.14 | 39.14 | 38.26 | 38.41 | 841,429 | -0.47(-1.21%) |
| Feb 13, 2008 | 38.79 | 38.93 | 38.36 | 38.88 | 916,388 | +0.78(+2.05%) |
| Feb 12, 2008 | 38.16 | 38.59 | 37.81 | 38.10 | 767,600 | +0.40(+1.06%) |
| Feb 11, 2008 | 37.79 | 37.88 | 37.10 | 37.70 | 1,218,440 | -0.21(-0.55%) |
| Feb 08, 2008 | 37.97 | 38.18 | 37.44 | 37.91 | 1,107,500 | -0.44(-1.15%) |
| Feb 07, 2008 | 37.87 | 38.62 | 37.78 | 38.35 | 1,115,600 | -0.06(-0.16%) |
| Feb 06, 2008 | 38.09 | 39.24 | 37.83 | 38.41 | 1,518,110 | +1.11(+2.98%) |
| Feb 05, 2008 | 38.46 | 38.55 | 37.28 | 37.30 | 1,077,610 | -2.45(-6.16%) |
| Feb 04, 2008 | 39.82 | 39.97 | 39.57 | 39.75 | 494,200 | -0.15(-0.38%) |
| Feb 01, 2008 | 39.53 | 39.97 | 39.13 | 39.90 | 1,221,395 | +0.50(+1.27%) |
| Jan 31, 2008 | 38.21 | 39.66 | 38.07 | 39.40 | 1,087,100 | +0.31(+0.79%) |
| Jan 30, 2008 | 38.75 | 39.95 | 38.69 | 39.09 | 816,042 | -0.17(-0.43%) |
| Jan 29, 2008 | 39.26 | 39.32 | 38.73 | 39.26 | 1,931,156 | +0.70(+1.82%) |
| Jan 28, 2008 | 37.60 | 38.62 | 37.35 | 38.56 | 989,858 | +1.12(+2.99%) |
| Jan 25, 2008 | 38.38 | 38.55 | 37.22 | 37.44 | 1,783,560 | -1.13(-2.93%) |
| Jan 24, 2008 | 37.68 | 38.63 | 37.47 | 38.57 | 2,410,320 | +1.19(+3.18%) |
| Jan 23, 2008 | 35.55 | 37.47 | 34.91 | 37.38 | 3,973,191 | +0.54(+1.47%) |
| Jan 22, 2008 | 35.47 | 36.95 | 35.31 | 36.84 | 2,930,889 | +1.20(+3.37%) |
| Jan 21, 2008 | 36.94 | 36.94 | 35.17 | 35.64 | 0 | +0.00(+0.00%) |
| Jan 18, 2008 | 36.94 | 36.94 | 35.17 | 35.64 | 3,807,745 | -1.24(-3.36%) |
| Jan 17, 2008 | 38.15 | 38.34 | 36.84 | 36.88 | 1,241,720 | -1.11(-2.92%) |
| Jan 16, 2008 | 38.70 | 38.78 | 37.68 | 37.99 | 1,447,868 | -1.31(-3.33%) |
| Jan 15, 2008 | 39.95 | 40.12 | 39.28 | 39.30 | 1,231,227 | -2.23(-5.37%) |
| Jan 14, 2008 | 41.66 | 41.68 | 41.18 | 41.53 | 764,400 | +1.48(+3.70%) |
| Jan 11, 2008 | 40.36 | 40.59 | 39.89 | 40.05 | 814,233 | -0.49(-1.21%) |
| Jan 10, 2008 | 39.83 | 40.69 | 39.64 | 40.54 | 745,572 | +0.44(+1.10%) |
| Jan 09, 2008 | 39.66 | 40.11 | 39.37 | 40.10 | 679,900 | +0.33(+0.83%) |
| Jan 08, 2008 | 40.55 | 40.95 | 39.73 | 39.77 | 983,301 | -0.87(-2.14%) |
| Jan 07, 2008 | 40.30 | 40.75 | 40.19 | 40.64 | 925,248 | -0.15(-0.37%) |
| Jan 04, 2008 | 41.57 | 41.61 | 40.67 | 40.79 | 1,360,421 | -0.77(-1.85%) |
| Jan 03, 2008 | 41.83 | 42.34 | 41.50 | 41.56 | 839,200 | -0.78(-1.84%) |
| Jan 02, 2008 | 42.83 | 42.91 | 42.22 | 42.34 | 1,780,700 | -0.41(-0.96%) |
| Jan 01, 2008 | 42.73 | 43.25 | 42.66 | 42.75 | 0 | +0.00(+0.00%) |
| Dec 31, 2007 | 42.73 | 43.25 | 42.66 | 42.75 | 507,175 | -0.46(-1.06%) |
| Dec 28, 2007 | 43.27 | 43.41 | 43.12 | 43.21 | 381,815 | +0.36(+0.84%) |
| Dec 27, 2007 | 43.26 | 43.32 | 42.77 | 42.85 | 1,130,500 | -1.01(-2.30%) |
| Dec 26, 2007 | 43.82 | 43.97 | 43.52 | 43.86 | 439,704 | +0.15(+0.34%) |
| Dec 24, 2007 | 43.65 | 43.76 | 43.30 | 43.71 | 407,450 | +0.59(+1.37%) |
| Dec 21, 2007 | 43.21 | 43.48 | 42.85 | 43.12 | 2,604,670 | -1.03(-2.33%) |
| Dec 20, 2007 | 44.10 | 44.40 | 43.75 | 44.15 | 988,875 | +0.43(+0.98%) |
| Dec 19, 2007 | 44.08 | 44.28 | 43.39 | 43.72 | 1,704,692 | +0.52(+1.20%) |
| Dec 18, 2007 | 43.33 | 43.41 | 42.63 | 43.20 | 893,613 | +0.88(+2.08%) |
| Dec 17, 2007 | 42.69 | 42.92 | 42.23 | 42.32 | 947,800 | -0.84(-1.95%) |
| Dec 14, 2007 | 43.62 | 43.75 | 43.07 | 43.16 | 617,925 | -0.15(-0.35%) |
| Dec 13, 2007 | 43.15 | 43.40 | 42.79 | 43.31 | 605,999 | -0.20(-0.46%) |
| Dec 12, 2007 | 43.92 | 44.11 | 43.03 | 43.51 | 1,217,072 | +0.84(+1.97%) |
| Dec 11, 2007 | 43.23 | 44.30 | 42.61 | 42.67 | 1,259,304 | -0.79(-1.82%) |
| Dec 10, 2007 | 43.43 | 43.55 | 43.20 | 43.46 | 1,168,907 | +1.85(+4.45%) |
| Dec 07, 2007 | 41.84 | 41.90 | 41.56 | 41.61 | 767,800 | +0.01(+0.02%) |
| Dec 06, 2007 | 41.54 | 41.72 | 40.92 | 41.60 | 631,381 | -0.41(-0.98%) |
| Dec 05, 2007 | 41.90 | 42.20 | 41.71 | 42.01 | 388,940 | +0.54(+1.30%) |
| Dec 04, 2007 | 41.64 | 41.81 | 41.36 | 41.47 | 716,850 | +0.04(+0.10%) |