Tesla Falls 4.2% as Musk Signals Heavy Capex Ramp

Tesla shares dropped 4.2% after its July 22, 2026 Q2 earnings call, where Elon Musk said the company should spend on capital expenditure "as fast as we can" without waste. Capex is money put into long-term assets like factories. The remarks signal accelerated AI infrastructure spending, and investors marked shares down, pricing in a longer wait before that capital converts to earnings.