After its historic IPO in June, Elon Musk’s SpaceX yesterday (Aug. 4) reported its first earnings as a public company. However, SpaceX shares fell about 8 percent in after-hours trading as investors worried about the company’s heavy spending on A.I. See all of our newslettersDuring the quarter, SpaceX spent $18.4 billion on capital expenditures (CapEx), exceeding Wall Street’s expectations of roughly $13–14 billion. Before the earnings release, SpaceX shares were down nearly 30 percent from their June debut, underperforming the S&P 500, partly due to concerns about overexpansion in A.I. SpaceX shares could face more volatility in the coming days as the lock-in period for early shareholders expires tomorrow (Aug. 5).