Woofun AI reports that US equity markets declined sharply, with the S&P 500 falling 1.2% to 7408.30 points and the Nasdaq Composite dropping 2.2% to 25137.69 points. The Dow Jones Industrial Average lost approximately 507 points, resulting in an $889 billion reduction in the combined market capitalization of major technology firms. This sell-off followed earnings reports from Alphabet and Tesla, which triggered a reassessment of artificial intelligence capital expenditure returns. Simultaneously, geopolitical tensions in the Middle East drove oil prices higher, with WTI crude rising above $92 and Brent crude briefly exceeding $100. The yield on the 10-year US Treasury bond increased to around 4.7%.