SPCX Slides 13% as AI Spending Surge Rattles Investors Ahead of Share Unlock

SpaceX shares (Nasdaq: SPCX) fell as much as 13% on August 5, 2026, extending the prior session's after-hours slide, as investors continued to digest the scale of capital expenditure tied to the company's AI/Colossus compute buildout disclosed in the Q2 earnings call. The drop came a day before roughly 911.5 million insider shares — worth an estimated $100 billion — were due to become eligible for sale as SpaceX's post-IPO lock-up expired, adding to market nervousness about near-term supply.