Groupon (GRPN) came out with quarterly earnings of 0.18pershare,beatingtheZacksConsensusEstimateofalossof0.20 per share. This compares to earnings of 0.06pershareayearago.Thesefiguresareadjustedfornon−recurringitems.Thisquarterlyreportrepresentsanearningssurpriseof1900.06 per share when it actually produced a loss of $1.20, delivering a surprise of -1,900%.Over the last four quarter ...