Asian equity markets opened sharply lower Friday, with South Korea’s benchmark KOSPI index tumbling more than 6% amid a renewed sell-off in semiconductor and technology stocks. The decline underscores growing investor unease over the sustainability of the artificial intelligence (AI) boom that has propelled the sector for much of the year.
The KOSPI fell around 6.37% to approximately 6,820 in morning trade. Heavyweight chipmakers led the plunge: SK Hynix dropped more than 11%, Samsung Electronics posted significant losses, while related pressure hit suppliers to TSMC and ASML. The sell-off rippled through Japan’s Nikkei (down ~3.4%, with Kioxia and Tokyo Electron under pressure) and Taiwan’s TAIEX (down over 3%).
Regional Contagion in Tech and Semiconductors
Japan’s Nikkei 225 sank around 3.4% to near 64,558, with memory chip and equipment makers among the hardest hit. Kioxia Holdings, SUMCO, and Taiyo Yuden were notable decliners, while Tokyo Electron faced pressure. Taiwan’s TAIEX fell over 3%, reflecting concerns around TSMC’s elevated capital expenditure plans, even as the foundry giant recently reported strong results.
China’s markets were relatively resilient in comparison, with the Hang Seng little changed and the Shanghai Composite easing modestly. However, broader MSCI Asia-Pacific tech gauges have faced broad pressure in recent sessions.
What’s Driving the Decline?
The latest leg of the sell-off builds on weeks of volatility tied to the AI trade. Key factors include:
- Valuation and Profit-Taking Concerns: After explosive gains fueled by AI infrastructure demand, investors are questioning whether lofty valuations can be sustained. Strong earnings (e.g., Samsung’s recent blockbuster profit guidance) have sometimes been met with “sell-the-news” reactions.
- Capacity and Spending Jitters: Reports of potential overcapacity in AI computing, rising chip costs impacting end-users (like Apple’s price hikes), and massive new investments by major players have raised questions about near-term pricing power and returns on capital.
- Broader Sentiment: U.S. semiconductor weakness overnight, analyst notes (e.g., from Morgan Stanley), and macroeconomic crosscurrents, including interest rate moves, have amplified the moves in Asia’s chip-heavy indices.
This marks a notable reversal for markets like South Korea, where the KOSPI had been one of the year’s top performers thanks to memory chip demand for AI servers and applications. Similar dynamics have played out in Taiwan and Japan, home to critical links in the global semiconductor supply chain.
What This Means for Investors
For investors focused on tech disruption, today’s moves highlight the sector’s heightened sensitivity to sentiment shifts. While long-term AI fundamentals remain robust for many, near-term volatility could impact IPO pipelines, M&A activity in semiconductors, and lending exposure to high-growth tech firms. Foreign investor flows, already seeing rotation out of crowded AI winners, will be closely watched.
Analysts caution that this may represent a healthy correction rather than the end of the AI cycle, but volatility is likely to persist as markets digest earnings, capex plans, and demand signals.
Author: Andy Samu
See Also:
Was ¥2.3 Trillion Really Wiped Out from China’s Stock Market in Two Hours? | Disruption Banking
Are Hedge Funds Abandoning the AI Trade After Four Weeks of Selling? | Disruption Banking
