Elon Musk's SpaceX is planning an insider share sale, potentially valuing the company at around $400 billion. This move solidifies SpaceX as the world's most valuable private startup.

Elon Musk’s SpaceX has agreed to invest $2 billion in xAI, investors close to the companies said, nearly half of the Grok chatbot maker’s recent equity raise.

If it succeeds, it could push its value as high as $200 billion, 10 times its valuation from early last year, according to sources in the know.  The fundraising is still being discussed and could start next month,

Elon Musk's AI startup xAI has announced a nearly $200 million contract with the US Department of Defense for developing AI tools for the agency. The news comes a week after xAI's foul-mouthed Grok chatbot had a full-blown Nazi meltdown,