SpaceX plans to begin a tender offer in December to sell existing shares at around $135 per share, valuing the company at over $250bn.xAI, an AI start-up controlled by Elon Musk, has raised $5bn at a valuation of $45bn, almost double its previous valuation of $24bn.The xAI funding round was oversubscribed and featured only investors who supported xAI in its previous round.The incoming Trump administration is expected to introduce policies favorable to Musk's companies, including reducing regulatory oversight of SpaceX.