AI Euphoria Meets Its Reckoning as Nasdaq Plunges 4.6%

The bill for years of artificial intelligence exuberance arrived with force on Monday, with the Nasdaq Composite shedding 4.60 per cent to close at 25,298, its sharpest single-session decline in months. The S&P 500 was not spared, falling 1.95 per cent to 7,354. For investors who had treated AI stocks as a one-way bet, the session served as a pointed reminder that narrative and earnings are not the same thing, and that the market eventually insists on knowing the difference.

In Tokyo, the mood was cautious but comparatively contained. The Nikkei 225 slipped 0.46 per cent to 69,468, a relatively modest move that reflects the index's heavy weighting toward export-driven industrials, financials and materials rather than the pure-play AI names that bore the brunt of Wall Street's punishment. The yen, meanwhile, softened further to 161.89 against the US dollar, a level that continues to cushion revenues for Japan's large exporters when they repatriate dollar-denominated earnings, even as it quietly erodes the purchasing power of domestic savers.

The divergence between Tokyo and New York matters because it illuminates a structural question confronting every long-term investor: where, exactly, does AI create durable economic value, and where has it simply created price? Fund managers and institutional desks have spent the past two years loading up on semiconductor and software names on the assumption that AI infrastructure spending would translate linearly into earnings growth. The Nasdaq's move on Monday suggests that assumption is under serious review.

Finance Itself Is Being Rewired

Beyond the share price volatility, the deeper story is how AI is reordering the financial services industry from the inside. Algorithmic trading desks, once reliant on human discretion, are now running inference models that adjust positioning in real time across thousands of instruments. Retail investment platforms in Japan and globally are deploying AI-driven portfolio tools that personalise asset allocation in ways that were previously available only to high-net-worth clients. The irony is that the very technology driving uncertainty in markets is simultaneously making those markets more accessible and, in some respects, more efficient.

Gold's behaviour on Monday underscored the anxiety. The precious metal rose 1.85 per cent to US$4,064 per ounce, a move that historically signals investors seeking shelter from technology and growth risk. Bitcoin edged modestly higher to US$60,100, though its correlation with risk assets remains inconsistent enough that it offers little comfort as a hedge. WTI crude slipped to US$70.12 per barrel, reflecting subdued industrial demand expectations rather than any supply shock.

For Tokyo-based investors, the lesson from Monday's session is less about which AI stock to buy on the dip and more about portfolio construction in an era when AI is simultaneously a sector, a tool and a systemic force. Domestic pension funds and retail investors with exposure to global technology through index products would have felt the Nasdaq's drop acutely. A Nikkei that holds relatively firm, supported by cheap yen and solid export margins, remains a partial but meaningful buffer. Whether that buffer holds depends on how long Wall Street's AI reckoning lasts.

This article was compiled by AI from the sources linked above and screened before publishing. See our editorial standards.