
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2011 | $11.46 | $12.26 | $11.32 | $12.14 | 6,306,532,400 |
November 2011 | $11.91 | $12.22 | $10.89 | $11.45 | 8,963,701,600 |
October 2011 | $11.40 | $12.79 | $10.61 | $12.13 | 13,141,427,600 |
September 2011 | $11.56 | $12.67 | $10.98 | $11.43 | 11,977,448,000 |
August 2011 | $11.92 | $11.97 | $10.58 | $11.53 | 16,142,599,200 |
July 2011 | $10.07 | $12.12 | $10.01 | $11.70 | 10,653,946,800 |
June 2011 | $10.45 | $10.55 | $9.30 | $10.06 | 9,263,850,400 |
May 2011 | $10.48 | $10.54 | $9.87 | $10.42 | 6,912,060,400 |
April 2011 | $10.52 | $10.64 | $9.59 | $10.49 | 9,253,829,200 |
March 2011 | $10.65 | $10.84 | $9.78 | $10.44 | 11,306,458,800 |
February 2011 | $10.23 | $10.93 | $10.12 | $10.58 | 9,295,949,600 |
January 2011 | $9.76 | $10.45 | $9.73 | $10.17 | 10,841,535,600 |
December 2010 | $9.45 | $9.79 | $9.44 | $9.66 | 6,973,234,800 |
November 2010 | $9.06 | $9.63 | $8.92 | $9.32 | 9,508,086,000 |
October 2010 | $8.57 | $9.56 | $8.32 | $9.02 | 12,234,577,600 |
September 2010 | $7.42 | $8.83 | $7.38 | $8.50 | 11,849,919,200 |
August 2010 | $7.80 | $7.92 | $7.06 | $7.28 | 9,589,120,800 |
July 2010 | $7.62 | $7.97 | $7.18 | $7.71 | 15,669,704,400 |
June 2010 | $7.78 | $8.36 | $7.26 | $7.54 | 16,651,252,800 |
May 2010 | $7.91 | $8.03 | $5.97 | $7.70 | 18,082,654,800 |
April 2010 | $7.11 | $8.16 | $6.97 | $7.82 | 12,367,129,600 |
March 2010 | $6.16 | $7.12 | $6.16 | $7.04 | 12,154,172,800 |
February 2010 | $5.76 | $6.15 | $5.72 | $6.13 | 10,776,080,000 |
January 2010 | $6.40 | $6.46 | $5.70 | $5.75 | 15,168,994,400 |
December 2009 | $6.06 | $6.41 | $5.65 | $6.31 | 11,393,958,800 |