| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2010 | $15.76 | $16.68 | $15.39 | $15.65 | 450,940,000 |
November 2010 | $14.93 | $16.77 | $14.53 | $15.43 | 631,797,500 |
October 2010 | $13.77 | $15.01 | $12.73 | $14.76 | 609,150,000 |
September 2010 | $11.66 | $14.03 | $11.52 | $13.64 | 559,415,000 |
August 2010 | $8.89 | $12.12 | $8.83 | $11.42 | 929,962,500 |
July 2010 | $6.92 | $9.18 | $6.81 | $8.79 | 681,797,500 |
June 2010 | $7.49 | $7.81 | $6.79 | $6.91 | 750,287,500 |
May 2010 | $10.36 | $10.59 | $6.89 | $7.49 | 1,135,375,000 |
April 2010 | $10.10 | $10.73 | $9.56 | $10.26 | 464,170,000 |
March 2010 | $8.96 | $10.29 | $8.92 | $9.99 | 591,847,500 |
February 2010 | $7.70 | $9.24 | $7.55 | $8.88 | 574,512,500 |
January 2010 | $8.71 | $8.93 | $7.58 | $7.65 | 412,435,000 |
December 2009 | $8.43 | $9.07 | $8.30 | $8.55 | 490,532,500 |
November 2009 | $6.17 | $8.40 | $6.16 | $8.39 | 1,167,592,500 |
October 2009 | $6.45 | $7.14 | $6.04 | $6.18 | 530,207,500 |
September 2009 | $6.00 | $6.67 | $5.82 | $6.49 | 339,805,000 |
August 2009 | $5.22 | $6.26 | $5.03 | $6.03 | 613,575,000 |
July 2009 | $4.42 | $5.13 | $4.01 | $5.08 | 456,500,000 |
June 2009 | $4.35 | $4.67 | $4.04 | $4.37 | 502,902,500 |
May 2009 | $3.82 | $4.43 | $3.74 | $4.31 | 679,560,000 |
April 2009 | $3.12 | $3.94 | $3.06 | $3.80 | 850,812,500 |
March 2009 | $3.25 | $3.32 | $2.82 | $3.09 | 776,992,500 |
February 2009 | $2.60 | $3.48 | $2.55 | $3.32 | 885,440,000 |
January 2009 | $2.91 | $3.13 | $2.54 | $2.63 | 676,792,500 |
December 2008 | $2.59 | $2.91 | $2.17 | $2.88 | 754,130,000 |