Elon Musk just became the first person ever worth $800 billion or more after his rocket maker SpaceX acquired his artificial intelligence and social media company xAI. Forbes estimates that the deal, which values the combined company at $1.25 trillion, boosted Musk’s fortune by $84 billion, to a record $852 billion.

Investor Gary Black shared his doubts on a potential merger between Tesla and SpaceX, citing lack of mathematical and industrial logic.

Tech giants SpaceX and OpenAI are expected to go public in 2026. Here's what smart people in business and tech are saying.