15 June 2026: Demand For High-Risk Stock Pushes Price Higher In Initial Trading Elon Musk’s space exploration, satellite internet and artificial intelligence business, SpaceX, enjoyed a record-breaking US stock market debut on 12 June, raising around $75 billion and valuing the company at over $2 trillion, writes Kevin Pratt. Find out how to buy SpaceX shares. Around 4% of the business, whose full name is Space Exploration Technologies Corp, was put up for sale at $135 a share.