| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2011 | $5.18 | $5.64 | $4.74 | $5.40 | 202,629,200 |
November 2011 | $4.16 | $5.23 | $4.09 | $5.23 | 272,974,000 |
October 2011 | $3.34 | $4.77 | $2.82 | $4.44 | 272,503,100 |
September 2011 | $4.09 | $4.18 | $3.36 | $3.38 | 253,672,600 |
August 2011 | $6.01 | $6.02 | $2.91 | $4.11 | 376,238,300 |
July 2011 | $6.54 | $6.73 | $5.74 | $5.88 | 140,415,300 |
June 2011 | $7.14 | $7.18 | $5.82 | $6.56 | 158,573,500 |
May 2011 | $6.99 | $7.23 | $6.38 | $7.23 | 147,091,900 |
April 2011 | $6.41 | $7.23 | $6.06 | $6.96 | 159,011,000 |
March 2011 | $5.93 | $6.65 | $5.58 | $6.34 | 216,710,900 |
February 2011 | $6.83 | $6.96 | $5.86 | $5.91 | 203,647,400 |
January 2011 | $6.53 | $7.44 | $6.48 | $6.76 | 167,905,000 |
December 2010 | $5.46 | $6.57 | $5.38 | $6.44 | 160,689,300 |
November 2010 | $6.77 | $6.98 | $5.25 | $5.36 | 212,026,700 |
October 2010 | $7.59 | $7.64 | $6.71 | $6.72 | 170,373,500 |
September 2010 | $7.13 | $7.70 | $6.89 | $7.50 | 121,689,100 |
August 2010 | $7.67 | $7.79 | $6.59 | $6.89 | 140,440,800 |
July 2010 | $7.06 | $7.97 | $6.65 | $7.52 | 186,866,900 |
June 2010 | $9.39 | $9.49 | $7.06 | $7.09 | 221,628,500 |
May 2010 | $10.98 | $11.53 | $8.69 | $9.54 | 211,365,300 |
April 2010 | $9.74 | $11.91 | $9.16 | $11.21 | 172,953,700 |
March 2010 | $9.32 | $10.20 | $9.22 | $9.64 | 127,172,100 |
February 2010 | $9.01 | $10.12 | $8.86 | $9.28 | 158,885,500 |
January 2010 | $8.58 | $9.77 | $8.56 | $9.01 | 163,056,800 |
December 2009 | $7.88 | $8.73 | $7.47 | $8.56 | 150,663,900 |
