Elon Musk's SpaceX is preparing to launch a tender offer in December to sell existing shares at a price of $135 per share, two sources familiar with the matter said. The tender offer would value SpaceX at more than $250 billion,

Meanwhile, Musk’s artificial intelligence start-up xAI has raised $5bn at a valuation of $45bn, almost double its valuation a few months ago, according to the people. The fundraising has been carried out at breakneck speed as discussions between Musk and his investors began just last month.