Elon Musk becomes the world's first trillionaire with SpaceX's IPO

Elon Musk has become the first person to cross the trillionaire threshold, at least on paper, after SpaceX priced its blockbuster initial public offering at $135 a share. Before the IPO, Musk was worth an estimated $813 billion, a fortune more than twice as large as the planet's second-richest person, Google co-founder Larry Page, who is worth an estimated $288 billion, according to Forbes. SpaceX formally setting its stock price at $135 boosted Musk's fortune to just over $1 trillion. …