SpaceX, which Elon Musk gave ‘less than 10% chance of succeeding’, makes him world’s first trillionaire - but will his net worth sustain?

Elon Musk becomes world's first trillionaire. But who were history's first billionaire and millionaire?

Elon Musk becomes the world's first trillionaire ($1.2T net worth) after SpaceX's IPO reaches $2T valuation. The concentration raises questions about AI market consolidation and talent scarcity; historians expect more AI trillionaires, paralleling Progressive Era antitrust concerns that may shape future tech regulation.