| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2010 | $24.70 | $27.24 | $24.65 | $26.87 | 42,879,300 |
November 2010 | $24.45 | $27.13 | $23.52 | $24.04 | 49,376,700 |
October 2010 | $22.41 | $25.07 | $21.88 | $24.41 | 52,774,200 |
September 2010 | $19.71 | $22.60 | $19.62 | $22.02 | 47,893,900 |
August 2010 | $20.11 | $20.74 | $17.66 | $18.91 | 52,827,200 |
July 2010 | $16.69 | $19.95 | $16.09 | $19.30 | 63,659,500 |
June 2010 | $16.91 | $19.36 | $16.08 | $16.21 | 74,181,400 |
May 2010 | $18.94 | $19.09 | $14.61 | $17.14 | 118,917,300 |
April 2010 | $22.80 | $23.14 | $18.80 | $18.91 | 65,574,100 |
March 2010 | $19.19 | $22.23 | $19.17 | $22.00 | 71,861,200 |
February 2010 | $18.38 | $20.07 | $17.10 | $19.32 | 82,533,600 |
January 2010 | $20.54 | $22.16 | $17.75 | $17.88 | 59,355,600 |
December 2009 | $19.57 | $20.27 | $18.43 | $19.85 | 53,978,400 |
November 2009 | $16.71 | $20.62 | $16.45 | $18.81 | 70,640,400 |
October 2009 | $15.52 | $18.66 | $14.50 | $16.41 | 77,567,600 |
September 2009 | $14.11 | $16.90 | $13.63 | $15.69 | 63,458,800 |
August 2009 | $16.15 | $16.51 | $13.40 | $14.30 | 68,359,600 |
July 2009 | $13.14 | $15.58 | $11.06 | $15.44 | 96,432,400 |
June 2009 | $15.10 | $16.85 | $11.87 | $12.76 | 109,168,000 |
May 2009 | $12.88 | $15.00 | $11.64 | $14.13 | 93,516,000 |
April 2009 | $10.19 | $12.92 | $9.79 | $12.69 | 81,225,200 |
March 2009 | $7.71 | $11.16 | $6.98 | $10.44 | 98,764,800 |
February 2009 | $6.89 | $9.31 | $6.74 | $7.94 | 102,834,800 |
January 2009 | $7.21 | $9.06 | $5.95 | $6.58 | 124,833,600 |
December 2008 | $6.84 | $7.56 | $4.49 | $6.74 | 146,148,400 |