FILE - In this Oct. 19, 2010 file photo, Caterpillar heavy earth moving equipment is seen in Springfield, Ill. Caterpillar said Thursday, Jan. 27, 2011 that the company more than quadrupled its ... more 
FILE - In this Oct. 19, 2010 file photo, Caterpillar heavy earth moving equipment is seen in Springfield, Ill. Caterpillar said Thursday, Jan. 27, 2011 that the company more than quadrupled its fourth-quarter profit as stronger demand helped increase global sales of mining and construction equipment. less 
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Associated Press | Photo By Seth Perlman, File
Fri, Jan 28, 2011 8:07 PM EST