| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2012 | $62.22 | $63.16 | $58.99 | $61.91 | 11,057,800 |
November 2012 | $53.70 | $62.68 | $53.70 | $61.97 | 11,635,000 |
October 2012 | $50.71 | $55.23 | $50.23 | $53.67 | 8,487,600 |
September 2012 | $52.43 | $55.19 | $49.97 | $50.41 | 8,397,200 |
August 2012 | $45.62 | $53.27 | $44.54 | $52.30 | 12,595,400 |
July 2012 | $44.66 | $46.82 | $42.32 | $45.44 | 14,355,500 |
June 2012 | $45.85 | $48.65 | $43.17 | $44.36 | 15,909,900 |
May 2012 | $45.22 | $50.43 | $44.36 | $46.80 | 26,201,200 |
April 2012 | $43.95 | $45.58 | $42.33 | $44.94 | 12,353,200 |
March 2012 | $42.28 | $44.86 | $41.84 | $43.86 | 17,406,500 |
February 2012 | $30.82 | $43.18 | $30.39 | $42.52 | 21,093,800 |
January 2012 | $31.86 | $32.92 | $29.59 | $30.77 | 17,619,900 |
December 2011 | $32.53 | $34.15 | $29.87 | $31.21 | 20,048,800 |
November 2011 | $34.48 | $39.11 | $31.39 | $32.65 | 29,559,000 |
October 2011 | $30.09 | $36.88 | $27.80 | $35.80 | 18,843,100 |
September 2011 | $32.20 | $34.35 | $29.20 | $30.21 | 18,771,200 |
August 2011 | $39.64 | $39.96 | $27.06 | $32.12 | 44,578,200 |
July 2011 | $36.34 | $42.39 | $36.04 | $39.04 | 19,449,700 |
June 2011 | $38.88 | $39.05 | $33.78 | $36.18 | 23,295,100 |
May 2011 | $33.34 | $39.67 | $31.39 | $38.96 | 27,110,500 |
April 2011 | $28.02 | $33.67 | $27.48 | $33.29 | 21,236,500 |
March 2011 | $29.34 | $29.65 | $26.26 | $27.82 | 31,159,700 |
February 2011 | $27.81 | $29.95 | $26.60 | $29.32 | 19,627,700 |
January 2011 | $26.63 | $30.82 | $25.63 | $27.51 | 30,769,600 |
December 2010 | $21.95 | $27.08 | $21.95 | $26.28 | 23,280,400 |