Boeing finds itself caught in an escalating trade war between the U.S. and China. It hasn’t been good for shares as investors watch China refuse delivery of 737 MAX jets. Whether it’s an act of defiance or economic sanity is beside the point: It means fewer sales at a time when Boeing is trying to recover.

Two Boeing aircraft scheduled to be delivered to Chinese airlines were returned to the US from China amid worsening trade tensions between the two countries.

Air India and Malaysia Airlines seek Boeing jets rejected by China amid a trade war, eyeing early deliveries to expand fleets and retire older aircraft.