Weekly quiz: How many SpaceX employees just became millionaires? BBCCalifornia’s counting on an IPO tax windfall. Several factors are complicating the equation CNBCMexican immigrant takes $28/hour welding job at SpaceX — now his stake is worth over $1M. How to build big wealth quick Yahoo FinanceSpaceX CFO Bret Johnsen quietly engineered its historic IPO and became an overnight billionaire FortuneSpaceX’s I.P.O. Could Turn 4,400 Employees Into Millionaires The New York Times