SpaceX shares surged 55% above their IPO price this week as the company reached a $2.8 trillion market valuation.The firm recently announced the $60 billion acquisition of AI software developer Cursor to expand its technological capabilities.Rapid price gains were driven by intense options trading and mandatory buying from index funds following a fast-track inclusion process.Analysts caution that the limited public float and annual losses suggest significant volatility may follow after insider lock-up periods expire.