Inflation Fears Deepen Global AI Tech Sell-Off

Asian technology stocks fell sharply on Thursday, extending losses from Wall Street as investors worried about the effect of higher interest rates on the cost of financing artificial-intelligence infrastructure. South Korean chipmaker SK Hynix dropped more than 10%, while Samsung Electronics fell 7.1%. Other South Korean technology-related companies also declined, including LG Innotek, Seoul Semiconductor and Samsung SDI. In Japan, SoftBank Group lost 7.9%, and semiconductor equipment and chip companies such as Advantest, Tokyo Electron and Renesas Electronics also recorded significant losses. The article links the sell-off to hotter-than-expected U.S. inflation data, which fueled expectations that the Federal Reserve might raise interest rates further. Higher borrowing costs could make the large capital investments needed to build AI infrastructure more expensive. Broadcom CEO Hock Tan and Intel’s chief executive had warned that financing could become a major constraint on AI expansion—potentially a bigger challenge than shortages of chips or electricity. The declines followed a weak session for U.S. markets, where technology shares led losses. The Nasdaq Composite fell 1.88%, the S&P 500 declined 1.11%, and the Dow Jones Industrial Average slipped 0.09%. Dan Ives, a technology analyst at Yorkville Ives, said rising Treasury yields—above 5%—were intensifying concerns about funding infrastructure projects. He noted that higher yields increase financing costs and make balance sheets and contract structures important to investors, while arguing that this is a financing concern rather than evidence of weaker AI demand. Ives described the pullback as a potential buying opportunity and said the AI infrastructure boom remained in its early stages. He identified reduced spending plans by hyperscalers, canceled contracts and falling GPU rental prices as possible signs that would change his view.

Asian stock markets fell sharply on Thursday ahead of Europe’s opening, extending a technology-led sell-off that followed losses on Wall Street. The downturn came after US inflation data showed consumer prices rising faster than expected, increasing concern among investors. US equity futures were also lower. South Korea’s Kospi dropped 7.7% to 5,548.78, far below the record high above 9,000 it reached in June amid enthusiasm for artificial intelligence. Samsung Electronics fell 9.5%, while SK Hynix plunged 11.4%. Japan’s Nikkei 225 declined 4.8% to 64,489.06. SoftBank Group lost 9.4%, Tokyo Electron fell 7.3%, and Kioxia Holdings dropped 11.2%. Taiwan’s Taiex slid 3%, while Taiwan Semiconductor Manufacturing Co. fell 2.2% ahead of its earnings report. Hong Kong’s Hang Seng lost 1% and Shanghai’s Composite fell 1.4%; Australia’s S&P/ASX 200 edged down 0.1%. The declines followed Wednesday’s losses in the United States. The S&P 500 fell 1.1%, the Dow Jones Industrial Average dipped 0.1%, and the technology-heavy Nasdaq Composite dropped 1.9%. Major AI-related companies also retreated: Nvidia lost 3.2%, Broadcom 3.1%, and AMD 5.7%. The US consumer price index rose 3.7% year over year in September, compared with 3.4% in August and above economists’ expectations. The article links the hotter inflation reading and the falling technology shares to the broad weakness in Asian markets, particularly among companies associated with the artificial-intelligence boom.

Artificial-intelligence stocks fell again as investors weighed worsening U.S. inflation, potentially higher interest rates and uncertainty about how long the AI investment boom can continue. Early Thursday, the S&P 500 was down 0.5 per cent and the Nasdaq Composite had lost 1.2 per cent, while the Dow rose 269 points. Nvidia, AMD and other technology and AI-related companies declined. The sell-off followed a report showing that U.S. wholesale inflation had increased more than economists expected, largely because of higher energy costs. Inflation remains above the Federal Reserve’s two per cent target, raising the possibility of another rate increase before year-end. Companies tied to AI infrastructure also faced declines. Cloud-computing provider CoreWeave fell after a steep drop the previous day; GE Vernova and Oracle also extended losses. Elevated bond yields could make borrowing more expensive for businesses planning to build data centres and buy AI chips. The article notes that the 10-year bond yield eased from 5.32 per cent to 5.09 per cent but remained high. The weakness extended across Asia, where South Korea’s Kospi plunged 7.6 per cent and had fallen more than 16 per cent over the month. Shares of Samsung Electronics and SK Hynix dropped sharply. Japan’s Nikkei and Taiwan’s Taiex also declined, with losses among chip-related companies including Tokyo Electron, Kioxia and TSMC. TSMC nevertheless reported a record quarterly profit that beat analysts’ expectations and said demand for AI remained strong. Morningstar’s Lorraine Tan said markets heavily exposed to technology could be vulnerable if perceived growth in AI spending falters. The article also reports a modest early decline in Canada’s S&P/TSX Composite, including a sharp drop in Celestica shares.

A global sell-off in technology and AI-linked stocks intensified as investors reacted to unexpectedly strong US inflation data and growing concern about the debt underpinning the AI boom. South Korea’s chip-heavy Kospi 200 fell 8.1% to a six-month low, triggering circuit breakers that temporarily halted trading. SK Hynix and Samsung Electronics fell sharply. Japan’s Nikkei 225 dropped 4.9%, with chipmaker Kioxia and SoftBank—an investor in OpenAI—among the major decliners. The losses followed a weak session on Wall Street, where the Nasdaq Composite fell 1.9% and the S&P 500 lost 1.1%. US technology shares continued to slide when trading resumed, with server maker Dell and AI data-centre component manufacturer Coherent among the early fallers. The immediate catalyst was September US inflation, which rose to 3.7%, more than expected. Producer prices also increased 6.3% year on year, their steepest rise since December 2022. The breadth of price increases suggested inflation was not being driven solely by energy costs. Investors have consequently begun to anticipate further Federal Reserve rate increases, potentially as soon as the end of the month. Deutsche Bank analysts described an exceptionally turbulent period, with inflation concerns compounded by mounting anxiety about AI investments. The International Monetary Fund had also warned that a correction in AI share prices could threaten global financial stability, with Asian markets particularly exposed; the UK and eurozone might be less vulnerable, though investors holding US assets could still suffer. The retreat spread beyond South Korea and Japan. China’s CSI 300 fell as much as 2.4% to its lowest level since August 2025, while Taiwan’s TSMC declined despite reporting a sixth consecutive quarter of profits. European markets were also lower, including Germany’s DAX and Italy’s FTSE MIB. The article presents the market turmoil as a combination of inflation-driven rate fears and doubts about the risks and financial exposure associated with AI investment.

Asian stock markets fell sharply on Thursday, October 15, 2026, as a sell-off in artificial intelligence-related and semiconductor stocks followed Wall Street’s decline. South Korea’s Kospi dropped more than 7 per cent, Tokyo’s Nikkei 225 fell 5.12 per cent by midday, Hong Kong’s Hang Seng lost 1 per cent, and China’s Shanghai Composite declined 1.75 per cent. The market downturn reflected several connected concerns: increasing competition and the possibility that chip-sector profit growth has peaked, alongside higher US inflation and tighter financial conditions. US consumer price inflation reached 3.7 per cent year-on-year in September, above the 3.6 per cent forecast and August’s 3.4 per cent. Core inflation was also higher than expected, at 2.6 per cent. The figures revived expectations of higher US interest rates, including a possible Federal Reserve rate hike, and weighed on Wall Street. The S&P 500 had its weakest session since late July, while the Nasdaq was hit particularly hard by pressure on chip stocks. Analysts said Asian markets faced both the technology-stock sell-off and the effects of higher yields and a stronger US dollar. The International Monetary Fund warned that Asia’s reliance on the AI boom creates exposure if AI investment or asset valuations correct. Strong demand for semiconductors, AI infrastructure and related products has supported exports and investment in economies integrated into technology supply chains, particularly in East and South-East Asia. But the IMF said the long-term effects of AI investment remain uncertain and that a correction could disproportionately affect the region. It also cautioned that uncertainty over US monetary policy could keep Asian financial markets volatile.