Elon Musk is officially the world’s first trillionaire after his SpaceX tech company debuted Friday at $150/share, 11% higher than the company’s IPO pricing.SpaceX — rocket manufacturer, satellite internet service provider, AI firm and owner of X (aka Twitter) all rolled into one — had already officially set a record for the biggest IPO in history with its initial stock pricing. On Thursday it confirmed the pricing of its IPO of 555.6 million shares of its Class A common stock, at a public offering price of $135.00/share. That gave it a valuation of around $1.77 trillion and the company raised about $75 billion from the IPO.