On the 30th, both Japanese and South Korean stock markets opened lower. South Korea's KOSPI index opened down 2.99%, with SK Hynix falling nearly 6% and Samsung Electronics dropping nearly 2%. The Nikkei 225 opened down 0.49%. Overnight, all three major U.S. stock indexes closed lower, with the Dow down 0.25%, the S&P 500 down 0.30%, and the Nasdaq down 1.37%. Alphabet faced concentrated investor selling after its quarterly results, released after the bell, fell short of expectations—revenue growth missed forecasts, and AI-related capital expenditure and cash burn continued to expand. The Philadelphia Semiconductor Index ended a four-day winning streak, closing down 1.42%, with many semiconductor stocks declining and extending losses after the bell. Optical communications, cloud infrastructure, and memory all came under pressure simultaneously. After downstream giants were hit by cash flow problems, order expectations for upstream suppliers need to be reassessed.