| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2012 | $62.29 | $63.23 | $59.05 | $61.97 | 11,057,800 |
November 2012 | $53.75 | $62.75 | $53.75 | $62.04 | 11,635,000 |
October 2012 | $50.76 | $55.29 | $50.28 | $53.73 | 8,487,600 |
September 2012 | $52.48 | $55.25 | $50.02 | $50.46 | 8,397,200 |
August 2012 | $45.67 | $53.33 | $44.58 | $52.35 | 12,595,400 |
July 2012 | $44.71 | $46.86 | $42.37 | $45.48 | 14,355,500 |
June 2012 | $45.89 | $48.70 | $43.21 | $44.40 | 15,909,900 |
May 2012 | $45.27 | $50.49 | $44.40 | $46.85 | 26,201,200 |
April 2012 | $43.99 | $45.63 | $42.37 | $44.98 | 12,353,200 |
March 2012 | $42.32 | $44.90 | $41.88 | $43.91 | 17,406,500 |
February 2012 | $30.86 | $43.23 | $30.42 | $42.57 | 21,093,800 |
January 2012 | $31.89 | $32.95 | $29.62 | $30.81 | 17,619,900 |
December 2011 | $32.57 | $34.18 | $29.90 | $31.25 | 20,048,800 |
November 2011 | $34.51 | $39.15 | $31.43 | $32.69 | 29,559,000 |
October 2011 | $30.12 | $36.91 | $27.82 | $35.84 | 18,843,100 |
September 2011 | $32.23 | $34.39 | $29.23 | $30.24 | 18,771,200 |
August 2011 | $39.68 | $40.00 | $27.09 | $32.15 | 44,578,200 |
July 2011 | $36.37 | $42.43 | $36.08 | $39.08 | 19,449,700 |
June 2011 | $38.92 | $39.09 | $33.81 | $36.22 | 23,295,100 |
May 2011 | $33.38 | $39.71 | $31.42 | $39.00 | 27,110,500 |
April 2011 | $28.05 | $33.71 | $27.50 | $33.33 | 21,236,500 |
March 2011 | $29.37 | $29.68 | $26.28 | $27.84 | 31,159,700 |
February 2011 | $27.84 | $29.99 | $26.62 | $29.35 | 19,627,700 |
January 2011 | $26.66 | $30.85 | $25.65 | $27.54 | 30,769,600 |
December 2010 | $21.98 | $27.11 | $21.98 | $26.30 | 23,280,400 |