{"slug": "korean-stocks-sink-as-chipmakers-plunge-on-deepening-ai-fatigue", "title": "Korean Stocks Sink as Chipmakers Plunge on Deepening AI Fatigue", "summary": "South Korea's benchmark Kospi index fell as much as 7.6% to its lowest since April 20, led by a 11% plunge in SK Hynix Inc. and a more than 9% drop in Samsung Electronics Co., as deepening AI fatigue and concerns over Nvidia Corp.'s $750 billion in deals fueled worries about inflated AI demand. 'The recent selloff in semiconductor stocks appears to be driven more by a sharp deterioration in market sentiment than by any immediate change in fundamentals,' said Jung In Yun, CEO at Fibonacci Asset Management Global.", "body_md": "(Bloomberg) -- South Korean stocks plunged, dragged by the nation's memory chipmaking powerhouses as investor sentiment continues to worsen on the artificial intelligence boom.\n\nMost Read from Bloomberg\n\n-\n[S&P 500 Wobbles as AI Angst Offsets Oil Decline: Markets Wrap](https://www.bloomberg.com/news/articles/2026-07-26/oil-tumbles-as-us-and-iran-pause-military-strikes-markets-wrap?utm_campaign=bn&utm_medium=distro&utm_source=yahooUS) -\n[China Chipmaker CXMT Jumps 466% in Debut After Blockbuster IPO](https://www.bloomberg.com/news/articles/2026-07-26/china-memory-champion-cxmt-set-to-debut-after-9-8-billion-ipo?utm_campaign=bn&utm_medium=distro&utm_source=yahooUS)\n\nThe benchmark Kospi declined as much as 7.6%, to the lowest level since April 20. Shares of SK Hynix Inc. slumped 11% while Samsung Electronics Co. tumbled more than 9%.\n\nThe losses point to deepening concerns over crowded equity positioning and rising corporate debt levels as the AI buildout progresses. Nvidia Corp.'s fresh round of deals worth more than $750 billion has helped trigger worry over artificially inflated demand for AI.\n\n\"The recent selloff in semiconductor stocks appears to be driven more by a sharp deterioration in market sentiment than by any immediate change in fundamentals,\" said Jung In Yun, chief executive officer at Fibonacci Asset Management Global. \"Investors are increasingly questioning whether the pace of AI infrastructure spending can be sustained.\"\n\nMost Read from Bloomberg Businessweek\n\n©2026 Bloomberg L.P.", "url": "https://wpnews.pro/news/korean-stocks-sink-as-chipmakers-plunge-on-deepening-ai-fatigue", "canonical_source": "https://ca.finance.yahoo.com/news/korean-stocks-sink-chipmakers-plunge-004329960.html", "published_at": "2026-07-28 00:43:29+00:00", "updated_at": "2026-07-28 03:22:38.139610+00:00", "lang": "en", "topics": ["artificial-intelligence", "ai-infrastructure"], "entities": ["SK Hynix Inc.", "Samsung Electronics Co.", "Nvidia Corp.", "Fibonacci Asset Management Global", "Jung In Yun", "Kospi"], "alternates": {"html": "https://wpnews.pro/news/korean-stocks-sink-as-chipmakers-plunge-on-deepening-ai-fatigue", "markdown": "https://wpnews.pro/news/korean-stocks-sink-as-chipmakers-plunge-on-deepening-ai-fatigue.md", "text": "https://wpnews.pro/news/korean-stocks-sink-as-chipmakers-plunge-on-deepening-ai-fatigue.txt", "jsonld": "https://wpnews.pro/news/korean-stocks-sink-as-chipmakers-plunge-on-deepening-ai-fatigue.jsonld"}}