| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 28, 2011 | 33.19 | 33.24 | 32.76 | 32.88 | 255,358 | +0.30(+0.92%) |
| Feb 25, 2011 | 32.50 | 32.59 | 32.35 | 32.58 | 297,916 | +0.43(+1.34%) |
| Feb 24, 2011 | 32.16 | 32.35 | 31.91 | 32.15 | 765,321 | +0.39(+1.23%) |
| Feb 23, 2011 | 32.00 | 32.20 | 31.54 | 31.76 | 706,397 | -0.49(-1.52%) |
| Feb 22, 2011 | 32.41 | 32.71 | 32.15 | 32.25 | 318,423 | -0.87(-2.63%) |
| Feb 18, 2011 | 32.96 | 33.18 | 32.89 | 33.12 | 194,669 | +0.03(+0.09%) |
| Feb 17, 2011 | 32.67 | 33.10 | 32.65 | 33.09 | 180,357 | +0.40(+1.22%) |
| Feb 16, 2011 | 32.40 | 32.74 | 32.27 | 32.69 | 213,881 | +0.19(+0.58%) |
| Feb 15, 2011 | 32.70 | 32.82 | 32.39 | 32.50 | 188,398 | +0.04(+0.12%) |
| Feb 14, 2011 | 32.30 | 32.47 | 32.18 | 32.46 | 171,416 | -0.24(-0.73%) |
| Feb 11, 2011 | 32.47 | 32.74 | 32.41 | 32.70 | 182,969 | +0.16(+0.49%) |
| Feb 10, 2011 | 32.18 | 32.56 | 32.04 | 32.54 | 225,684 | -0.19(-0.58%) |
| Feb 09, 2011 | 32.55 | 32.75 | 32.46 | 32.73 | 242,019 | +0.91(+2.86%) |
| Feb 08, 2011 | 31.64 | 31.84 | 31.57 | 31.82 | 250,963 | -0.10(-0.31%) |
| Feb 07, 2011 | 31.59 | 31.92 | 31.56 | 31.92 | 170,340 | +0.74(+2.37%) |
| Feb 04, 2011 | 30.86 | 31.18 | 30.68 | 31.18 | 244,010 | -0.34(-1.08%) |
| Feb 03, 2011 | 31.33 | 31.52 | 31.06 | 31.52 | 262,253 | -0.54(-1.68%) |
| Feb 02, 2011 | 31.98 | 32.24 | 31.94 | 32.06 | 125,005 | -0.13(-0.40%) |
| Feb 01, 2011 | 31.87 | 32.31 | 31.86 | 32.19 | 227,189 | +0.79(+2.52%) |
| Jan 31, 2011 | 31.49 | 31.58 | 31.30 | 31.40 | 235,480 | +0.61(+1.98%) |
| Jan 28, 2011 | 31.58 | 31.61 | 30.67 | 30.79 | 245,824 | -0.71(-2.25%) |
| Jan 27, 2011 | 31.58 | 31.65 | 31.26 | 31.50 | 250,338 | +0.23(+0.74%) |
| Jan 26, 2011 | 31.13 | 31.37 | 30.95 | 31.27 | 267,569 | -0.27(-0.86%) |
| Jan 25, 2011 | 31.54 | 31.65 | 31.11 | 31.54 | 208,333 | -0.13(-0.41%) |
| Jan 24, 2011 | 31.25 | 31.67 | 31.25 | 31.67 | 240,525 | +0.09(+0.28%) |
| Jan 21, 2011 | 31.77 | 31.77 | 31.42 | 31.58 | 220,489 | +0.22(+0.70%) |
| Jan 20, 2011 | 31.29 | 31.40 | 31.12 | 31.36 | 303,505 | +0.45(+1.46%) |
| Jan 19, 2011 | 31.52 | 31.52 | 30.78 | 30.91 | 206,114 | -0.43(-1.37%) |
| Jan 18, 2011 | 31.09 | 31.39 | 31.09 | 31.34 | 349,102 | +0.60(+1.95%) |
| Jan 14, 2011 | 30.36 | 30.74 | 30.33 | 30.74 | 241,245 | +0.28(+0.92%) |
| Jan 13, 2011 | 30.54 | 30.64 | 30.35 | 30.46 | 415,018 | +0.88(+2.97%) |
| Jan 12, 2011 | 29.28 | 29.58 | 29.23 | 29.58 | 256,059 | +1.11(+3.90%) |
| Jan 11, 2011 | 28.22 | 28.47 | 28.17 | 28.47 | 266,772 | +0.27(+0.96%) |
| Jan 10, 2011 | 28.04 | 28.30 | 27.90 | 28.20 | 379,495 | -0.57(-1.98%) |
| Jan 07, 2011 | 29.00 | 29.05 | 28.52 | 28.77 | 200,162 | -0.18(-0.62%) |
| Jan 06, 2011 | 29.28 | 29.30 | 28.79 | 28.95 | 227,335 | -0.27(-0.92%) |
| Jan 05, 2011 | 29.06 | 29.27 | 28.93 | 29.22 | 279,050 | -0.49(-1.65%) |
| Jan 04, 2011 | 29.89 | 29.91 | 29.58 | 29.71 | 290,295 | -0.09(-0.30%) |
| Jan 03, 2011 | 29.89 | 29.92 | 29.72 | 29.80 | 225,119 | +0.44(+1.50%) |
| Dec 31, 2010 | 29.47 | 29.61 | 29.29 | 29.36 | 181,161 | -0.26(-0.88%) |
| Dec 30, 2010 | 29.71 | 29.88 | 29.54 | 29.62 | 445,694 | -0.03(-0.10%) |
| Dec 29, 2010 | 29.47 | 29.72 | 29.41 | 29.65 | 212,650 | +0.65(+2.24%) |
| Dec 28, 2010 | 29.05 | 29.07 | 28.90 | 29.00 | 189,108 | +0.02(+0.07%) |
| Dec 27, 2010 | 28.99 | 29.07 | 28.86 | 28.98 | 226,330 | -0.62(-2.09%) |
| Dec 23, 2010 | 29.59 | 29.76 | 29.54 | 29.60 | 129,627 | +0.01(+0.03%) |
| Dec 22, 2010 | 29.57 | 29.66 | 29.46 | 29.59 | 305,242 | +0.25(+0.85%) |
| Dec 21, 2010 | 29.24 | 29.43 | 29.21 | 29.34 | 209,234 | +0.23(+0.79%) |
| Dec 20, 2010 | 29.10 | 29.12 | 28.86 | 29.11 | 302,574 | +0.50(+1.75%) |
| Dec 17, 2010 | 28.75 | 28.77 | 28.41 | 28.61 | 248,380 | -0.33(-1.14%) |
| Dec 16, 2010 | 28.93 | 28.98 | 28.78 | 28.94 | 326,998 | +0.03(+0.10%) |
| Dec 15, 2010 | 29.36 | 29.45 | 28.82 | 28.91 | 302,721 | -0.55(-1.87%) |
| Dec 14, 2010 | 29.46 | 29.61 | 29.34 | 29.46 | 478,978 | +0.36(+1.24%) |
| Dec 13, 2010 | 28.95 | 29.25 | 28.82 | 29.10 | 309,549 | +0.43(+1.50%) |
| Dec 10, 2010 | 28.56 | 28.67 | 28.36 | 28.67 | 208,692 | +0.17(+0.60%) |
| Dec 09, 2010 | 28.42 | 28.50 | 28.17 | 28.50 | 240,729 | +0.24(+0.85%) |
| Dec 08, 2010 | 28.17 | 28.41 | 28.08 | 28.26 | 232,503 | +0.26(+0.93%) |
| Dec 07, 2010 | 28.29 | 28.29 | 27.93 | 28.00 | 439,975 | +0.61(+2.23%) |
| Dec 06, 2010 | 27.47 | 27.55 | 27.27 | 27.39 | 342,900 | -0.43(-1.55%) |
| Dec 03, 2010 | 27.45 | 27.82 | 27.43 | 27.82 | 321,259 | +0.70(+2.58%) |
| Dec 02, 2010 | 26.30 | 27.16 | 26.30 | 27.12 | 504,243 | +0.39(+1.46%) |