Atara Biotherapeutics (ATRA) came out with a quarterly loss of 3.10pershareversustheZacksConsensusEstimateofalossof1.25. This compares to loss of 17pershareayearago.Thesefiguresareadjustedfornon−recurringitems.Thisquarterlyreportrepresentsanearningssurpriseof−1489.25 per share when it actually produced a loss of $5.75, delivering a surprise of 37.84%.Over the last four quarters, the company ha ...