| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2011 | $5.15 | $5.61 | $4.72 | $5.37 | 202,629,200 |
November 2011 | $4.14 | $5.20 | $4.06 | $5.20 | 272,974,000 |
October 2011 | $3.32 | $4.74 | $2.80 | $4.41 | 272,503,100 |
September 2011 | $4.06 | $4.16 | $3.34 | $3.36 | 253,672,600 |
August 2011 | $5.98 | $5.99 | $2.90 | $4.09 | 376,238,300 |
July 2011 | $6.51 | $6.69 | $5.71 | $5.85 | 140,415,300 |
June 2011 | $7.10 | $7.14 | $5.78 | $6.52 | 158,573,500 |
May 2011 | $6.95 | $7.19 | $6.34 | $7.19 | 147,091,900 |
April 2011 | $6.37 | $7.19 | $6.03 | $6.92 | 159,011,000 |
March 2011 | $5.89 | $6.61 | $5.54 | $6.30 | 216,710,900 |
February 2011 | $6.80 | $6.92 | $5.82 | $5.88 | 203,647,400 |
January 2011 | $6.49 | $7.40 | $6.45 | $6.72 | 167,905,000 |
December 2010 | $5.43 | $6.53 | $5.35 | $6.40 | 160,689,300 |
November 2010 | $6.73 | $6.94 | $5.22 | $5.33 | 212,026,700 |
October 2010 | $7.54 | $7.60 | $6.68 | $6.68 | 170,373,500 |
September 2010 | $7.09 | $7.66 | $6.85 | $7.46 | 121,689,100 |
August 2010 | $7.62 | $7.74 | $6.56 | $6.85 | 140,440,800 |
July 2010 | $7.02 | $7.93 | $6.62 | $7.48 | 186,866,900 |
June 2010 | $9.33 | $9.43 | $7.02 | $7.05 | 221,628,500 |
May 2010 | $10.92 | $11.46 | $8.64 | $9.49 | 211,365,300 |
April 2010 | $9.68 | $11.84 | $9.11 | $11.15 | 172,953,700 |
March 2010 | $9.26 | $10.14 | $9.16 | $9.58 | 127,172,100 |
February 2010 | $8.96 | $10.06 | $8.80 | $9.22 | 158,885,500 |
January 2010 | $8.53 | $9.72 | $8.51 | $8.96 | 163,056,800 |
December 2009 | $7.83 | $8.68 | $7.43 | $8.52 | 150,663,900 |