.31 trounces $0.96 est but net earnings -11.8% Y/Y and comp used unit sales -0.8% with GPU -$230 and no Q1 buyback (.31B remaining authorization) sink KMX -9.05% to $47.40 on June 17" /> .31 trounces $0.96 est but net earnings -11.8% Y/Y and comp used unit sales -0.8% with GPU -$230 and no Q1 buyback (.31B remaining authorization) sink KMX -9.05% to $47.40 on June 17" />