More and more of Musk's companies end up under the same roof. Here's a look at his sprawling empire | Fortune

Inside Musk’s vast empire from rockets to brain implants after historic SpaceX IPO

SpaceX IPO closed at $2.1T despite operational losses; the company merged with xAI (which lost $6.4B), consolidating satellite cash (Starlink $4.4B) with AI/social ambitions (X, Grok). For tech managers: valuation signals consolidation appetite, but risks hinge on unproven space/AI tech.