AI 相关股票抛售加剧，韩国 Kospi 200 指数跌超 8%
Tech market sell-off deepens amid fears over US inflation and AI debt | Stock markets | The Guardian
受美国 9 月通胀升至 3.7% 及加息预期影响，AI 相关股票在全球市场遭遇加速抛售。韩国 Kospi 200 指数隔夜跌超 8% 至六个月收盘低点并触发熔断，SK 海力士和三星电子分别下跌近 11% 和 9.5%；日经 225 指数下跌 4.9%，Kioxia 跌 11%、软银跌 10%。IMF 本周警告称，AI 股价回调的风险可能波及全球金融稳定，亚洲市场受影响最大。
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原文用韩国、日本、美国市场的具体跌幅和通胀数据，呈现 AI 相关股票抛售的传导路径与 IMF 的风险提示。
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A Hana Bank screen shows the Kopsi index with a downward graph line. The tech-heavy South Korean index fell 8% overnight in Asia, triggering circuit breakers and halting stock trades. Photograph: Lee Jin-man/AP
A Hana Bank screen shows the Kopsi index with a downward graph line. The tech-heavy South Korean index fell 8% overnight in Asia, triggering circuit breakers and halting stock trades. Photograph: Lee Jin-man/APTech market sell-off deepens amid fears over US inflation and AI debt
Chip makers and tech investors such as Samsung and SoftBank plunge as potential interest rate hikes spook markets
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An accelerating sell-off of AI-linked shares has hit global markets, as fears over rising inflation and future interest rate hikes spooked traders already wary of the heavily indebted sector.
South Korea’s benchmark Kospi 200 index, which is heavily skewed towards the companies that make memory chips, fell more than 8% overnight to a six-month closing low, triggering circuit breakers that brought trading to a halt at various points.
Some of those semiconductor stocks, such as SK Hynix and Samsung Electronics, plunged nearly 11% and 9.5% respectively. The index closed at a six-month low, down 8.1%.
Meanwhile, Japan’s Nikkei 225 dropped by 4.9% on Thursday, after an 11% slump in the memory chip maker Kioxia and a 10% drop in SoftBank, a big investor in the ChatGPT owner, OpenAI.
The falls followed a slide on Wall Street during the previous day’s session, where the Nasdaq Composite fell by 1.9% and the S&P 500 dropped 1.1%, its worst performance since July.
US stocks fell further when trading resumed on Thursday. The Nasdaq dropped another 1.4% at the start of trading, with Dell, which makes datacentre servers, and Coherent, which manufactures components for AI datacentres, leading the early fallers.
The sell-off came after US data on Wednesday showed stateside inflation jumped to a higher-than-expected 3.7% in September, marking the fastest increase in prices since the consumer price index (CPI) rate hit a three-year peak of 4.2% in May.
Fresh data on Thursday showing US producers increased their prices by 6.3% year on year in September – the sharpest rise since December 2022 – added to inflationary jitters.
The figures have rattled investors who are now expecting fresh interest rate increases by the US Federal Reserve, with some punters pricing in another increase as soon as the end of the month.
“Markets have just had an incredibly tumultuous 24 hours, as a strong US CPI print was then followed up with mounting fears around the AI trade,” Deutsche Bank analysts led by Jim Reid said.
Worryingly, the figures showed this was not about fuel costs, which have been pushed up by geopolitical tensions including the ripple effects from the US war on Iran. Reid said: “This wasn’t just an energy surge driving prices higher, as there were broad-based moves across the consumer basket.”
The sell-off follows warnings from the International Monetary Fund, which said this week that the threat of an AI share price crash rippling out across global markets was putting world financial stability at risk.
“The consequences of an AI correction could be global,” the IMF said. Aside from the US, Asian markets would be most exposed, with the UK and eurozone potentially more insulated – although investors with US holdings would be hit.
The latest jitters hit China, where the Shanghai Shenzhen CSI 300 slipped by as much as 2.4%, marking the lowest level since August 2025. In Taiwan, one of the world’s leading chip makers and Asia’s most valuable company, TSMC, fell 2% despite reporting its sixth straight quarter of profits.
European stocks also came under pressure, with Germany’s DAX down 0.36% in afternoon trading and the Italian FTSE MIB dropping by 1.3%.Explore more on these topics
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