Global semiconductor markets experienced a significant selloff that accelerated overnight, with multiple factors contributing to investor concerns across the sector. Nvidia shares dropped sharply following reports of circular financing arrangements with OpenAI, while shares of South Korean chipmakers SK Hynix and Samsung Electronics declined ahead of their earnings reports. Seoul’s KOSPI index fell nearly 11% on Tuesday, marking its largest daily loss in nearly five months.
The broader chip sector weakness reflected growing unease about the competitive landscape and capital deployment by technology companies. China’s CXMT completed an initial public offering on Monday with a first-day surge of approximately 470%, signaling new competitive pressures in semiconductor manufacturing. Additionally, reports emerged that Chinese firms were developing chipmaking technology comparable to offerings from Dutch equipment maker ASML, which experienced sharp share price declines on the news.
Underlying the market volatility was concern about the substantial spending by large technology companies, referred to as hyperscalers, to build out artificial intelligence infrastructure. Credit market participants were monitoring the cash burn and debt accumulation associated with these capital expenditure plans, as borrowing by major technology firms during the year had reached roughly double the prior year’s levels.
Energy markets also influenced sentiment, with crude oil prices sliding further to around $86 per barrel. U.S. President Donald Trump indicated that negotiations with Iran were progressing constructively, though he cautioned that military action would resume if talks proved unsuccessful. The Federal Reserve began a two-day policy meeting, with futures markets indicating a roughly one-in-three probability of a rate increase at the gathering, while interest rate increases by September were viewed as essentially certain by market participants.
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