Mersana Therapeutics, Inc. (MRSN) came out with a quarterly loss of 0.19pershareversustheZacksConsensusEstimateofalossof0.21. This compares to loss of 0.16pershareayearago.Thesefiguresareadjustedfornon−recurringitems.Thisquarterlyreportrepresentsanearningssurpriseof9.520.16 per share when it actually produced a loss of $0.11, delivering a surprise of 31.25%.Over the last four quarters, the company ha ...