AI bubble just got a reality check?

A worldwide rout in technology shares erased weeks of gains on Monday as investors fled the stocks that had powered this year’s artificial intelligence rally, rattled by rising odds of a US Federal Reserve rate hike and fresh conflict in the Middle East.

South Korea’s KOSPI, the best-performing major index in 2026, crashed 8.3% in a single session. Circuit breakers halted trading twice. Japan’s Nikkei shed nearly 4%, Taiwan’s benchmark dropped 3.5%, and Europe’s STOXX 600 fell to a two-week low, according to Reuters. On Friday, US equities had already weakened, with the Nasdaq Composite down 4.2% and the Philadelphia Semiconductor Index plunging 10% (Nasdaq Index Data).

Macro shock with earnings disappointment

The selloff was driven by a rare convergence of macro and micro shocks.

Stronger-than-expected US labor data shifted interest rate expectations sharply. Treasury yields surged as markets scaled back hopes for imminent policy easing, with the two-year yield jumping more than 11 basis points in a single session. Market pricing for Fed cuts was pushed further out, with expectations shifting into 2026–2027 territory based on futures indicators tracked via CME data (CME FedWatch Tool).

At the same time, semiconductor heavyweight Broadcom delivered a softer-than-expected forward outlook, failing to raise AI revenue guidance—an important psychological anchor for the AI growth narrative.  Thus, rattling confidence in the sector’s earnings momentum.

“The yield rise was the one that cooked the market. That was the last straw,” Lars Skovgaard, senior investment strategist at Danske Bank, told Reuters. “With volatility rising you’ve had some forced selling of investors having to lower their exposure to equities.”

Semiconductor-heavy indices exposed extreme concentration risk

The semiconductor-heavy portion of the selloff was especially severe in Asia, where a small group of AI-linked chipmakers had an outsized influence on index performance.

Samsung Electronics dropped 10.2% during the session, while SK Hynix fell 7.7%, extending losses across the South Korean market. The two companies have seen their market capitalizations rise more than 150% and 200% respectively this year, and together now account for over half the KOSPI’s weight.

The South Korean government held an emergency meeting following the won’s fall to its lowest against the dollar since March 2009, at 1,615.0 on Friday.. The currency rebounded to about 1,533.7 on Monday after authorities cautioned investors to avoid speculative trading.

Among European stocks, tech shares were under pressure as Infineon lost 1.7% and BE Semiconductor dropped 3.8%, with artificial intelligence equipment firms Legrand and Schneider Electric both down 2%.

Middle East escalation amplified risk-off flows

Increasing geopolitical tensions in the Middle East put added pressure on the already volatile global market environment amid an increasingly cautious investor sentiment towards equities.

Speculations about increased confrontation between Israel and Iran have caused an increase in oil prices, with the futures price of Brent crude climbing above 5% amid expectations of supply disruption ICE Brent Crude Futures.

The movement in oil had a direct implication on inflation expectations and came amid rising uncertainties about the future path of interest rates and expectations of a continuation of high rates for a long period of time.

Equities did not escape the impact, as European airlines such as Lufthansa and Air France experienced declines of more than 2% as a result of higher fuel prices.

Though geopolitical tension was not the principal factor behind the decline in the technology sector, the latter played an additional role alongside inflation expectations and other risk factors.

AI beta is now tightly coupled with rates

One of the striking characteristics of the current sell-off is the simultaneous move within various asset classes, signifying a fundamental change in risk valuation globally instead of a stock market correction in particular. The technology and semiconductor sectors spearheaded the sell-off amid weakness in their associated AI valuations, whereas government bond yields were higher due to rising expectations of elevated interest rates going forward. The US dollar gained further strength amid tightened global liquidity conditions, while high-beta assets like cryptos also sold off amid an equity sell-off. Commodity markets also showed signs of the changing risk landscape, where geopolitical risks drove up oil prices, implying an inflationary impact.

All of these factors combined mean that AI equity valuations, and even semiconductors, have become more strongly correlated to interest rates and liquidity levels than they have been correlated to momentum in underlying earnings. In essence, we may be seeing a transition of AI equity valuations into becoming macro duration proxies. As such, AI equity valuations have become much more sensitive to changes in monetary policy expectations than to changes in fundamentals related to technology or demand.

Correction or structural unwind?

Several analysts framed the pullback as a structural unwind rather than a fundamental reassessment of AI’s investment case.

“The big surprise is not that we had a selloff, but that we didn’t have it before,” Skovgaard said.

Marc Velan, head of investments at Lucerne Asset Management, told Reuters that the selling activity was driven by momentum and the associated leverage unwind. “Korean technology names have been among the strongest performers globally and were heavily owned, so when rate expectations shifted after the jobs report, they became a natural source of liquidity,” Velan said.

Thomas Mathews, head of markets for Asia-Pacific at Capital Economics, pointed out that chipmakers continue to be profitable while the overall economy is doing well. “That isn’t typically a backdrop for a sustained drawdown,” Mathews told Reuters.

Han Ji-young, an analyst at Kiwoom Securities, said that increased volatility was predictable, but it’s unlikely that the correction would continue for several more days since the recent decline in prices has taken care of some valuation concerns regarding the KOSPI.

What’s next for the AI trade?

There is an array of triggers that will decide whether the tech-fueled correction continues and possibly worsens, or stabilizes. Important data from America concerning inflation is expected during the middle part of the week. The reason behind such high interest from investors is the necessity to understand how price pressures will behave in order to evaluate whether the Fed will make changes to its policies, and in which direction. In Europe, the upcoming ECB rate decision will also shed light on whether there is hope that financial conditions will ease or will become even tighter.

At the same time, numerous large-scale IPOs of technology firms will add a new dimension, namely liquidity, to the current situation. Large AI stocks’ IPOs and fundraising operations can negatively impact the stock market’s performance, as a lot of capital may be temporarily attracted elsewhere.

Within this context, the recent volatility would seem to be more indicative of a repricing of the theme in response to tightening financing conditions, as opposed to an erosion of the underlying fundamentals behind the artificial intelligence investment theme. This is due to the fact that the discount rates applicable to the AI-related stocks have changed, with liquidity and yield becoming the primary considerations, as opposed to the story surrounding growth. As such, even favorable structural demand dynamics within AI could become secondary to the broader macro picture.

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