Trader Michael Zicchinolfi, center, works on the floor of the New York Stock Exchange Monday, Oct. 22, 2012. A weak forecast from heavy equipment maker Caterpillar and other poor earnings results ... more 
Trader Michael Zicchinolfi, center, works on the floor of the New York Stock Exchange Monday, Oct. 22, 2012. A weak forecast from heavy equipment maker Caterpillar and other poor earnings results weighed on the U.S. stock market in early trading. (AP Photo/Richard Drew) less 
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Associated Press | Photo By Richard Drew
Mon, Oct 22, 2012 12:07 PM EDT