The circuit breaker on South Korea’s Kospi index tripped Friday after a 20-minute halt triggered by an 8.2 percent plunge. That break is rare. It is not the kind of thing traders see often.
The index resumed trading, but the damage was already done. Foreign investors dumped 2.6 trillion won — about $1.68 billion — worth of Kospi-listed shares in a single session.
That is a lot of money leaving the building fast. The trigger was overnight losses on Wall Street. The Nasdaq reversed late Thursday as investors started questioning who will pay for all that AI infrastructure.
Hyperscaler spending on artificial intelligence — the kind of massive capital outlay by big tech companies — suddenly looked less certain. The sell-off hit Asian chip stocks hard.
Samsung Electronics and SK Hynix, the two biggest chipmakers in South Korea, each fell more than 9 percent at one point. Those are not small moves. This is not just a South Korea story.
The consequences ripple outward. Central Asian markets, specifically Kazakhstan and Uzbekistan, have been pitching themselves as destinations for AI infrastructure investment. Cheap power.
Proximity to major markets. Those were the selling points.
If hyperscalers pull back on spending, those plans slow down. Maybe stall. The sell-off carries direct implications for them, as officials noted.
The Kospi is now on track for its biggest weekly decline in more than three months. That is a sharp reversal from the AI-driven rally that lifted Asian tech stocks earlier this year.
Sentiment shifted fast. The question market participants are asking now is whether this correction deepens or finds a floor. Nobody has a clear answer yet.
Strong demand signals from US chipmakers Micron Technology and Qualcomm were not enough to offset the concerns. That tells you something about the mood. Even good news from American companies could not stop the bleeding in Seoul.
The central issue, as market participants put it, is who ultimately foots the bill for the massive capital outlays on AI. Until that question gets answered, the uncertainty hangs over everything.
For the broader Asian market, the sell-off carries weight. South Korea’s chip sector is a bellwether. When Samsung and SK Hynix fall 9 percent, it sends a signal.
The circuit breaker halt itself is a rare event. It underscores how quickly sentiment has shifted.
The rally that lifted stocks earlier this year now looks fragile. The correction may deepen or it may find a floor. That is where things stand.
No tidy conclusion. Just a market trying to figure out its next move.
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