What such a deal would actually hand the automaker's shareholders is less clear-cut than the headline odds suggest.

Elon Musk has outlined a vision in which large groups of Tesla’s humanoid robots could eventually function as self-replicating machines in space.

A fresh comment from SpaceX President Gwynne Shotwell has reignited speculation about a future Tesla-SpaceX tie-up. It may not be happening soon, but the idea suddenly feels a lot less far-fetched.The Latest Tech News,

Investors appear to have been losing interest in Tesla stock this year.

SpaceX president Gwynne Shotwell said the two companies are working towards the same goal, and didn't rule out a merger with Tesla in the future.

What's behind the move: Shares of the electric vehicle maker climbed into green territory after initially dropping after SpaceX's first trade, which made founder Elon Musk a trillionaire. SpaceX stock surged nearly 20% after opening at $150 per share. The company priced its IPO at $135.

The company added a warning to prospective investors that a major dilution could be in the cards after it goes public.

SpaceX stock faces Tesla-style crash fears as SPCX nears a $3 trillion valuation, dividing bulls and bears on a thin float.