SpaceX’s IPO wasn’t just about rockets. It was a bet on who controls the physical infrastructure the next AI economy will run on.

Elon Musk's rocket company, recently merged with xAI, is aiming to raise $75 billion in its initial public stock offering. It's the first of a trio of mega-IPOs from AI companies…

From Starlink broadband and orbital data centers to space-based solar power, here’s what a $2 trillion SpaceX might actually build.