Shares of Asian AI-linked companies and tech firms fell Wednesday, tracking declines in U.S. peers, as investors turned wary of stretched valuations in the market's most crowded trades. Japan's SoftBank , a key backer of AI-related firms, saw shares drop 10%, while semiconductor testing equipment maker Advantest declined over 8%, chipmaker Renesas Electronics lost 5.48%. South Korean memory chip giants Samsung Electronics and SK Hynix lost nearly 6%. The surge in chipmakers SK Hynix and Samsung