[Tesla and SpaceX Stock Prices Rise After-Hours Due to Merger Rumors] BlockBeats News, July 31, according to BIT ((bit.com)) market data, Tesla and SpaceX stock prices rose 1.88% and 0.83% respectively after-hours due to merger rumors. Earlier reports indicated that Tesla advisors have begun discussing a spin-off plan, aiming to separate its China business. This arrangement is intended to pave the way for a potential SpaceX merger.