these were some of the biggest movers among us stocks on thursday   asana inc asan stock climbed 21 in premarket trading after the project management software provider reported narrowerthanexpected fourthquarter losses and forecast that trend to continue in the first quarter shares of asana have tumbled 60 over the past two months   bj’s wholesale club inc stock bj rose 33 after the membershiponly warehouse club chain posted betterthanexpected earnings for its fiscal fourth quarter membership fee income rose 8 and the company had a record 90 tenured member renewal rate but costs were also higher   uber technologies inc uber shares rose 2 in premarket after bloomberg reported on wednesday that the ridehailing food and package delivery company was considering a spinoff of its struggling uber freight business an uber spokesman did not immediately return a request for comment