FILE - In this April 19, 2011 file photo, floor official Glenn P. Carell of Barclays Capital, gestures as he talks to visitors on the floor of the New York Stock Exchange. World stocks drifted higher ... more 
FILE - In this April 19, 2011 file photo, floor official Glenn P. Carell of Barclays Capital, gestures as he talks to visitors on the floor of the New York Stock Exchange. World stocks drifted higher Wednesday, April 27, as investors awaited Federal Reserve chairman Ben Bernanke's first news conference for clues on the future course of the U.S. economy, while the dollar traded near 16-month lows against the euro. less 
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Associated Press | Photo By Kathy Willens. file
Wed, Apr 27, 2011 7:11 AM EDT