AI Profitability Fears Trigger Sharp Asian Sell-Off, Korean Chipmakers Lead Decline
Asian equities declined on Tuesday as investors questioned the financial sustainability of artificial intelligence infrastructure spending. South Korea’s KOSPI index fell 3.7%, with memory chip giant SK Hynix dropping 3.5% toward its lowest close since April. Samsung Electronics lost 1.8%, while Japan’s Nikkei 225 slipped 1.2%. This regional weakness occurred despite a rebound in U.S. chip stocks overnight, where the Philadelphia Semiconductor Index rose 1.6% to end an eight-day losing streak. The market turmoil precedes a critical week of corporate earnings, including reports from Netflix, Meta Platforms, and Tesla, which will test investor confidence in AI capital expenditure plans.
Key points
- South Korea’s KOSPI index fell 3.7%, leading regional losses, while Japan’s Nikkei 225 declined 1.2%.
- SK Hynix dropped 3.5% and Samsung Electronics fell 1.8% as AI profitability concerns weighed on chipmakers.
- The MSCI Asia Pacific index declined 0.8%, with Hong Kong’s Hang Seng down 1.1% and China’s CSI 300 slipping 0.5%.
- U.S. chip stocks rebounded overnight, with the Philadelphia Semiconductor Index rising 1.6% to snap an eight-session losing streak.
- The People’s Bank of China kept its one-year and five-year loan prime rates unchanged for a 17th consecutive month.
- A new South Korean AI data-center company, Elice Group, saw its shares fall as much as 33% below its IPO price on debut.
Background
This volatility follows a recent period of record highs for the Nasdaq Composite in September, driven by strong gains in semiconductor and technology stocks. In late September, Meta Platforms surged 11.44% on the launch of its 'Muse' AI agent, triggering a broad market rally and lifting chipmakers like AMD and Arm. However, recent weeks have seen a sharp sell-off in U.S. tech stocks, with the Nasdaq experiencing its worst weekly performance since April 2025 due to fears over AI infrastructure spending. The current Asian decline reflects lingering concerns about the sustainability of these investments, even as U.S. markets attempt a recovery.
Why it matters
The sharp decline in Asian chipmakers highlights growing investor skepticism about the return on investment for AI infrastructure. With major tech companies like Meta and Tesla set to report earnings this week, their capital expenditure plans will be closely scrutinized. If these companies signal reduced spending or lower profitability, it could trigger further sell-offs in the semiconductor sector, which has been a key driver of market performance. Additionally, the stability of Asian markets is crucial for global supply chains, and any prolonged weakness could have broader economic implications.
What to watch
Investors will closely watch the earnings reports from Netflix, Meta Platforms, Tesla, and IBM this week to assess the financial health of AI infrastructure spending. The People’s Bank of China is also considering replacing its seven-day reverse repo rate with the overnight rate as its main policy benchmark, which could impact monetary policy transmission. In Indonesia, the Jakarta Composite rebounded 2.3% after a sharp decline, as investors assess the potential loss of emerging-market status by MSCI. Oil prices may continue to rise as traders weigh Middle East risks against potential easing of U.S. restrictions on Russian energy.
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