Atara Biotherapeutics (ATRA) came out with a quarterly loss of 0.23pershareversustheZacksConsensusEstimateofalossof0.37. This compares to loss of 0.72pershareayearago.Thesefiguresareadjustedfornon−recurringitems.Thisquarterlyreportrepresentsanearningssurpriseof37.840.61 per share when it actually produced a loss of $0.56, delivering a surprise of 8.20%. Over the last four quarters, the compan ...