Why Is Tempest Therapeutics ( $TPST ) Stock Down 25.4% Today? (Find out why any stock moved today on Tickeron.) TPST shares were down roughly 25.4% in Thursday's session, trading near $0.90 after closing at $1.21 the prior day. The decline is primarily a sharp profit-taking pullback after the stock surged about 60% on Wednesday. Yesterday's rally was fueled by an exclusive option to license Senlang's CD7-targeted in vivo CAR-T platform. $AGIO $TYRA $NRIX $PVLA $KRRO