In this March 5, 2013, photo, made with a long exposure, visitors walk through the booths of IBM at the world's largest computer expo CeBIT in Hanover, Germany. Union Pacific Corp. reports quarterly ... more 
In this March 5, 2013, photo, made with a long exposure, visitors walk through the booths of IBM at the world's largest computer expo CeBIT in Hanover, Germany. Union Pacific Corp. reports quarterly financial results before the market opens Thursday, April 18, 2013. (AP Photo/dpa, Julian Stratenschulte) less 
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Associated Press | Photo By dpa, Julian Stratenschulte
Thu, Apr 18, 2013 4:55 PM EDT