| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2010 | $14.32 | $14.73 | $13.78 | $14.04 | 920,821,000 |
November 2010 | $13.48 | $14.56 | $13.44 | $14.12 | 1,126,956,500 |
October 2010 | $12.90 | $13.62 | $12.43 | $13.28 | 1,399,157,800 |
September 2010 | $11.88 | $13.00 | $11.76 | $12.72 | 1,347,521,700 |
August 2010 | $13.74 | $13.99 | $11.66 | $11.70 | 1,741,791,400 |
July 2010 | $12.77 | $14.65 | $12.46 | $13.54 | 1,607,900,800 |
June 2010 | $14.00 | $14.46 | $12.75 | $12.79 | 1,364,086,200 |
May 2010 | $15.00 | $15.30 | $13.08 | $14.08 | 1,830,571,300 |
April 2010 | $14.62 | $15.91 | $14.46 | $14.91 | 1,550,379,100 |
March 2010 | $13.50 | $14.85 | $13.22 | $14.55 | 1,290,896,200 |
February 2010 | $12.61 | $13.69 | $12.37 | $13.40 | 1,125,494,400 |
January 2010 | $13.46 | $13.96 | $12.50 | $12.56 | 1,509,082,400 |
December 2009 | $12.60 | $13.42 | $12.30 | $13.21 | 1,038,055,000 |
November 2009 | $12.24 | $13.28 | $11.77 | $12.43 | 1,184,437,600 |
October 2009 | $12.53 | $13.67 | $12.04 | $12.28 | 1,704,082,000 |
September 2009 | $13.00 | $13.23 | $12.35 | $12.58 | 1,065,272,900 |
August 2009 | $12.43 | $13.27 | $11.83 | $13.06 | 1,109,221,900 |
July 2009 | $10.64 | $12.63 | $10.07 | $12.28 | 1,726,189,600 |
June 2009 | $10.23 | $10.66 | $9.96 | $10.56 | 1,304,048,600 |
May 2009 | $9.97 | $10.59 | $9.57 | $10.03 | 1,338,935,300 |
April 2009 | $9.34 | $10.37 | $9.25 | $9.98 | 1,505,340,900 |
March 2009 | $7.91 | $10.05 | $7.64 | $9.51 | 1,633,445,000 |
February 2009 | $8.03 | $9.58 | $7.62 | $8.06 | 1,328,263,700 |
January 2009 | $9.20 | $9.71 | $7.83 | $8.08 | 1,272,188,700 |
December 2008 | $8.43 | $9.82 | $7.75 | $9.18 | 1,330,676,100 |