| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2010 | $12.45 | $13.20 | $12.23 | $13.02 | 1,404,265,100 |
November 2010 | $14.77 | $15.83 | $12.31 | $12.33 | 2,260,755,000 |
October 2010 | $14.24 | $15.38 | $13.84 | $14.71 | 874,713,700 |
September 2010 | $13.10 | $14.36 | $13.03 | $14.09 | 1,203,729,400 |
August 2010 | $15.08 | $16.01 | $12.76 | $12.87 | 1,496,467,500 |
July 2010 | $13.64 | $16.73 | $13.47 | $14.85 | 1,068,619,500 |
June 2010 | $14.76 | $15.41 | $13.67 | $13.72 | 1,305,853,900 |
May 2010 | $17.40 | $17.82 | $14.52 | $14.91 | 1,443,471,900 |
April 2010 | $16.86 | $17.85 | $16.51 | $17.33 | 919,580,200 |
March 2010 | $15.66 | $17.28 | $15.65 | $16.75 | 1,169,108,100 |
February 2010 | $14.58 | $15.74 | $14.40 | $15.66 | 1,037,381,000 |
January 2010 | $15.52 | $16.15 | $14.38 | $14.46 | 930,989,500 |
December 2009 | $15.08 | $15.72 | $14.82 | $15.41 | 744,363,700 |
November 2009 | $14.72 | $15.52 | $14.51 | $15.06 | 849,170,600 |
October 2009 | $15.03 | $15.98 | $14.53 | $14.68 | 960,109,000 |
September 2009 | $13.81 | $15.36 | $13.56 | $15.15 | 1,031,663,000 |
August 2009 | $14.29 | $14.64 | $13.31 | $13.90 | 979,868,600 |
July 2009 | $12.13 | $14.42 | $11.47 | $14.17 | 1,139,848,800 |
June 2009 | $12.32 | $13.10 | $11.75 | $12.00 | 1,157,147,500 |
May 2009 | $12.38 | $12.87 | $11.33 | $11.91 | 1,121,282,300 |
April 2009 | $10.63 | $12.83 | $10.49 | $12.43 | 1,133,287,300 |
March 2009 | $9.22 | $11.19 | $8.76 | $10.79 | 1,353,537,700 |
February 2009 | $9.56 | $11.00 | $9.20 | $9.38 | 1,131,979,800 |
January 2009 | $10.56 | $11.57 | $9.60 | $9.63 | 1,106,201,100 |
December 2008 | $10.40 | $11.54 | $9.47 | $10.49 | 1,121,765,400 |