Shares of SpaceX soared 23% in their Wall Street debut on Friday, making the rocket maker´s CEO Elon Musk the first-ever trillionaire. The shares opened at $150 and kept rising, reaching $166.90 around 12:.20 p.m. ET. That price gave the company a market value of $2.18 trillion. Forbes is now estimating Musk’s net worth at […]