SpaceX makes historic debut; Musk solidifies status as world’s first trillionaire

Elon Musk's SpaceX began trading at $150 a share on Friday, above its listing price of $135 a share, making him the world's first-ever trillionaire following the IPO.The rocket and satellite company raised a record $75 billion, valuing the company at about $1.8 trillion, pushing the value of Musk's stake in SpaceX to an estimated $690 billion. The company is trading on the Nasdaq under the ticker "SPCX" after pricing its IPO on Thursday.Combined with his holdings in electric vehicle maker Tesla,