In this Thursday, Sept. 20, 2012, photo, Tom Carroll poses for a portrait with his collection of paper stocks in Washington. At a time when most stock trading is powered by rapid-fire computers, some ... more 
In this Thursday, Sept. 20, 2012, photo, Tom Carroll poses for a portrait with his collection of paper stocks in Washington. At a time when most stock trading is powered by rapid-fire computers, some relish paper stocks for their palpability. (AP Photo/Susan Walsh) less 
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Associated Press | Photo By Susan Walsh
Fri, Sep 21, 2012 9:19 AM EDT