FILE- In this Thursday, Dec. 6, 2012, file photo, Trader Fred DeMarco, center works on the floor of the New York Stock Exchange. World stock markets swung higher Friday Dec. 14, 2012

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FILE- In this Thursday, Dec. 6, 2012, file photo, Trader Fred DeMarco, center works on the floor of the New York Stock Exchange. World stock markets swung higher Friday Dec. 14, 2012 after a survey showed an improvement in China's manufacturing, offsetting gloom from a sharp drop in Japanese business confidence. (AP Photo/Richard Drew, File) less 

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Associated Press
Fri, Dec 14, 2012 10:51 PM EST