AI-related stocks in South Korea and Japan decline after US chip selloff
by@FT
Summary
AI-related stocks in South Korea and Japan experienced significant declines following a drop in US chip stocks on Wall Street, as concerns about rising inflation and potential earnings from AI companies intensified among investors. This selloff was influenced by hotter-than-expected US inflation, which has led market participants to anticipate that the Federal Reserve may maintain or increase interest rates. The situation was exacerbated by the close ties between Asian markets and global AI demand, particularly within their significant semiconductor and technology sectors.
Analysis
Japan: Japan is a major Asian equity market with significant exposure to technology and semiconductor companies. Japanese stocks weakened alongside the global AI and chip retreat, as investors responded to inflation concerns, higher-rate expectations, and doubts about the AI investment boom. inflation: Inflation measures the broad rise in prices and influences interest-rate decisions and market valuations. Recent US data showed inflation running hotter than expected, reinforcing expectations of further Federal Reserve tightening and adding pressure to AI and chip stocks. investors: Investors allocate capital across financial assets and adjust those positions in response to earnings prospects, inflation, and interest-rate expectations. In this episode, they reduced exposure to AI and semiconductor stocks as hotter US inflation raised the prospect of tighter monetary policy and challenged lofty technology valuations. South Korea: South Korea is a major technology and semiconductor market, with companies such as Samsung Electronics and SK Hynix prominent in the AI supply chain. Korean equities suffered as the global chip selloff spread through the region, with semiconductor shares bearing much of the pressure. US chip stocks: US chip stocks represent American semiconductor companies that supply processors and other components used in computing and AI systems. Their overnight decline helped trigger selling in Asian technology markets, while hotter US inflation increased expectations of higher interest rates and pressured growth-oriented equities. AI-related stocks: AI-related stocks are publicly traded companies whose businesses depend substantially on artificial-intelligence software, hardware, or infrastructure. They were central to the reported selloff as investors reassessed elevated valuations, financing costs, and the durability of AI-related earnings growth after weakness in US technology shares. AI valuations: Recent market weakness reflected growing concern that the rapid AI-stock rally and expensive data-center buildout may not produce earnings quickly enough to justify current valuations. Monetary policy: Hotter-than-expected US inflation strengthened market expectations that the Federal Reserve could keep interest rates higher or raise them further. Market transmission: The selloff moved from Wall Street into Seoul and Tokyo because Asian markets contain large semiconductor and technology segments closely linked to global AI demand.
Categories
macroaitech
Related sources
- https://www.afp.com/en/hot-us-inflation-data-dents-wall-street-stocks
- https://www.reuters.com/world/china/global-markets-global-markets-2026-10-14/
- https://www.swissinfo.ch/eng/stock-selloff-extends-to-asia-as-chip-rout-deepens:-markets-wrap/92218059
- https://us.cnn.com/2026/10/14/investing/us-stocks-ai-chipmakers
- https://finance.yahoo.com/markets/world-indices/articles/seoul-tokyo-stocks-plunge-asia-024332072.html
- https://investinglive.com/news/investinglive-asia-pacific-market-news-asian-equities-sold-heavily-kospi-down-7/
- https://finance.yahoo.com/markets/stocks/articles/asia-shares-edge-chip-selloff-015610496.html?fr=sycsrp_catchall
- https://finance.yahoo.com/markets/stocks/articles/asia-stocks-slide-china-chip-034712009.html
- https://investinglive.com/stock-market-update/kospi-plunges-more-than-6-below-6-000-as-chip-selloff-and-oil-fears-hit-asian-stocks/
- https://finance.yahoo.com/markets/stocks/articles/trading-day-earnings-season-debuts-210526490.html