In this May 9, 2013 photo, a worker pushes shopping carts in front of a Walmart store in La Habra, Calif. Wal-Mart Stores Inc. is expected to report quarterly results on Thursday, May 16, 2013. (AP ... more 
In this May 9, 2013 photo, a worker pushes shopping carts in front of a Walmart store in La Habra, Calif. Wal-Mart Stores Inc. is expected to report quarterly results on Thursday, May 16, 2013. (AP Photo/Jae C. Hong) less 
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Associated Press | Photo By Jae C. Hong
Thu, May 16, 2013 7:34 AM EDT