Asia stocks fall as AI rout batters S.Korea; Japan spooked by strong CPI

Asian equity markets declined as an artificial intelligence-linked selloff weighed heavily on South Korean shares, while Japanese stocks came under pressure after a stronger-than-expected consumer price index reading. The AI-driven weakness appears to transmit through risk appetite and concentrated exposure, since South Korea's indices carry substantial weight in semiconductor and technology names that trade as a proxy for global AI demand. The Japanese move reflects inflation repricing: a hotter CPI print raises expectations that the Bank of Japan may tighten policy sooner, which lifts yen-denominated yields and can compress equity valuations, particularly for rate-sensitive and export-oriented sectors. Japanese government bonds, the yen, and the Nikkei 225 are the most exposed assets, with the yen's direction hinging on whether rate expectations rise faster than in other major economies. Traders should watch the upcoming Bank of Japan policy communications and the next national and Tokyo CPI releases for signals on the pace of any tightening.

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