Tesla (NASDAQ:TSLA), SpaceX (NASDAQ:SPCX) merger speculation faces $3 trillion valuation challenge

NEW YORK, July 17, 2026, 12:08 p.m. EDT Tesla dropped 2.4% to $381.84, while SpaceX lost 5.5% to $123.89. U.S. cash markets were trading when this was published. (Reuters) Tesla is scheduled to…