https://www.live-feeds.com/feed/the-world-s-hottest-ai-stock-market-has-gone-coldContinuously updated, source-cited coverage. https://www.live-feeds.com/feed/the-world-s-hottest-ai-stock-market-has-gone-coldhttps://www.live-feeds.com/feed/the-world-s-hottest-ai-stock-market-has-gone-cold#u132656Sun, 18 Oct 2026 17:26:42 +0000South Korea's KOSPI has shifted from the world's best-performing major stock benchmark in early 2026 to one of the worst, falling approximately 24% in the second half of the year. Global AI and chip stocks have lost more than $1 trillion in market value, with the Philadelphia Semiconductor Index hitting its longest losing streak in 11 years. Investors are increasingly skeptical about AI returns, while specific pressures on Seoul shares include inflation and Middle East instability.Why it mattersThe AI boom drove massive valuations for chipmakers and technology firms throughout 2026.