In this photo provided by the New York Stock Exchange Euronext, employees of the NYSE observe a moment of silence on the floor of the exchange in New York, Monday, April 22, 2013, a week after bombs ... more 
In this photo provided by the New York Stock Exchange Euronext, employees of the NYSE observe a moment of silence on the floor of the exchange in New York, Monday, April 22, 2013, a week after bombs exploded at the finish line of of the Boston Marathon. (AP Photo/NYSE Euronext, Ben Hider) less 
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Associated Press | Photo By NYSE Euronext, Ben Hider
Mon, Apr 22, 2013 4:32 PM EDT