By | December 26 2012 11:27 AM

U.S. holiday retail sales this year were the gloomiest they've been since the 2008 recession, as Superstorm Sandy and worries over the fiscal cliff soured the holiday mood in what could be a harbinger of the U.S. economy next year. One day after Christmas, retailers are expected to offer deeper discounts to lure customers and put a dent in a sluggish shopping season.