Global stocks edged lower on Tuesday as renewed concerns about competition in the artificial intelligence industry triggered a sharp selloff in Asian chipmakers, prompting investors to seek safety in government bonds.
Reports of progress by Chinese memory chipmaker CXMT raised concerns that intensifying competition could disrupt the profitability of established semiconductor companies. Meanwhile, Broadcom Chief Executive Hock Tan compared some investment flows into the wider AI sector to “casino gambling,” adding to questions about whether valuations have outpaced sustainable returns.
MSCI’s broadest index of Asia-Pacific shares outside Japan fell more than 2% to its lowest level since late July, while its main global equities index slipped 0.14%. The declines highlighted growing uncertainty over whether the investment boom powering AI-related stocks can sustain its momentum.
Chinese Chipmakers Intensify Pressure on AI Stocks
South Korea’s KOSPI, a key market for the global AI industry, plunged more than 5%, marking its steepest one-day decline since mid-August.
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Samsung Electronics shares fell 7.4%, while SK Hynix dropped 10%. Taiwan Semiconductor Manufacturing Company declined 1.8%, and Japanese investment conglomerate SoftBank, which has substantial exposure to AI, lost 8%.
US stock futures also weakened. Nasdaq futures fell 0.5%, while Micron Technology shares dropped 2.5% in premarket trading and Nvidia slipped 0.6%.
The selloff followed reports of progress by China’s ChangXin Memory Technologies, or CXMT, raising the prospect of stronger competition in memory chips used in AI systems.
Investors have poured money into semiconductor companies over the past four years as technology firms expanded spending on AI infrastructure. That investment has supported corporate earnings and economic growth, but concerns about concentrated market exposure and the timing of future returns are increasingly influencing sentiment.
Julien Lafargue, chief market strategist at Barclays Private Bank, said investors were becoming more aware that the memory chip industry remained cyclical and vulnerable to disruption.
The latest developments could bring forward expectations of tougher competition, potentially affecting pricing power and profit margins across the semiconductor sector as early as next year.
European stocks moved in the opposite direction. The STOXX 600 rose 0.5% to a one-week high, supported by the region’s relatively limited exposure to technology stocks and lower oil prices.
Bond Markets Find Temporary Relief
Government bonds attracted renewed demand as investors reassessed risk across equity markets.
The US 10-year Treasury yield eased to 5.193%, moving further away from the 24-year high of 5.364% reached the previous week. Bond yields fall when prices rise, making the latest movement consistent with increased demand for government debt.
However, the recovery remains fragile. Elevated energy prices, persistent inflation pressures and concerns about rising government borrowing have contributed to repeated bond selloffs in recent weeks, pushing borrowing costs to multi-decade highs in several markets.
Charu Chanana, chief investment strategist at Saxo Bank, described the return to US Treasuries as a tactical rally rather than evidence of a sustained recovery.
She warned that persistent inflation, high oil prices and heavy government borrowing could continue to weigh on bonds.
Investors are now awaiting US inflation data due on Wednesday for indications of how the Federal Reserve might approach interest rates. According to the CME FedWatch tool, markets were pricing in an 80.6% probability that the central bank would leave rates unchanged later in October, compared with 51% a month earlier.
The inflation figures could influence both bond yields and equity valuations by changing expectations for the cost of borrowing.
US Bank Earnings Add to Market Uncertainty
Investors are also watching earnings from major US banks this week for evidence of how higher Treasury yields are affecting financial activity.
JPMorgan Chase, Goldman Sachs, Citigroup and Wells Fargo, four of the six largest US lenders, are scheduled to report results later on Tuesday.
Their earnings could provide insight into lending growth, funding costs and dealmaking activity as businesses and households face higher borrowing expenses.
Bank results may also help investors assess the broader health of the US economy and the extent to which financial institutions can maintain profitability amid changing interest-rate expectations.
Oil Prices Ease as Investors Assess Supply Risks
Oil prices declined as traders weighed supply risks following attacks on Saudi Arabia against the prospect of additional diesel supplies from Russia.
Brent crude futures fell 1.7% to $104.78 a barrel, remaining just below a two-week high reached on Monday.
The decline offered some relief to markets concerned about the inflationary consequences of elevated energy prices. However, continued geopolitical uncertainty could keep oil markets volatile and complicate the outlook for central banks.
Tuesday’s trading reflects a broader reassessment of risk across financial markets. Competition in AI semiconductors is challenging investor confidence in some of the market’s strongest-performing companies, while inflation, government borrowing and geopolitical tensions continue to influence bonds and commodities.
Whether the selloff develops into a deeper correction will depend partly on incoming inflation data, corporate earnings and evidence of how quickly Chinese competitors can challenge established chipmakers.
With information from Reuters.
