Las Vegas Sun

May 23, 2013

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In this Thursday, Dec. 20, 2012, photo, a shopper carries a bag at the Dolphin Mall in Miami. A last-minute surge in spending helped many major U.S. retailers report better-than-expected sales in December, a relief for stores that make up to 40 percent of annual revenue during the holiday period.

Alan Diaz / AP

In this Thursday, Dec. 20, 2012, photo, a shopper carries a bag at the Dolphin Mall in Miami. A last-minute surge in spending helped many major U.S. retailers report better-than-expected sales in December, a relief for stores that make up to 40 percent of annual revenue during the holiday period.