AI’s Massive Spending Threatens Fragile Global Financial Markets

By Dhara Ranasinghe and Amanda Cooper

LONDON, Nov 3 (Reuters) – Financial markets are already strained by geopolitical tensions, high sovereign debt and rising trade friction, with bond yields spiking in Japan and France and emerging‑market currencies under pressure. Investors had been relying on the surge of artificial‑intelligence spending to sustain optimism, but signs of a slowdown in that sector are now emerging.

The AI boom has driven a multi‑trillion‑dollar investment wave, pushing tech stocks to record highs and bolstering expectations of 3 % global growth this year. Yet recent market volatility reveals growing doubts about the resilience of these gains. In October, a sell‑off across AI‑heavy equities erased more than $2 trillion from the Nasdaq‑100, while borrowing costs for tech firms rose and data‑center projects struggled to secure financing.

Rising interest rates, fueled by persistent inflation and tighter monetary policy, have pushed the 10‑year U.S. Treasury yield toward 5 %—a level that many analysts view as a potential flashpoint for broader financial stability. Central banks worldwide are being forced to hike rates further, adding pressure on heavily indebted governments and households.

Geopolitical shocks amplify the stress. The Iran war has lifted oil prices by roughly 75 % this year, straining energy‑importing economies and prompting currency devaluations from Indonesia to the Philippines. Traditional safe‑havens such as German bonds have become more attractive, but even they show signs of stress.

Experts warn that the combination of high debt, elevated rates and a slowdown in AI investment could trigger a broader downturn. Former Goldman Sachs economist Jim O’Neill cautioned that “rising rates always seem to sniff out and expose the most vulnerable.” Sheila Bair, a former FDIC chair, highlighted the buildup of leverage in the AI sector and the limited fiscal capacity to respond to another crisis.

Despite these headwinds, some indicators remain positive. Earnings for S&P 500 companies have largely exceeded expectations, and labour markets stay resilient. However, the narrowness of market leadership—driven largely by a handful of megacap tech firms—means a reversal in AI spending could have outsized effects.

Analysts stress that while AI investment has acted as a shield against recession, its fading momentum could leave economies vulnerable. The heightened risk environment, coupled with fragmented global coordination, means a crisis of the magnitude seen in 2008 could now precipitate a deeper, more protracted depression.

(Additional reporting by Rocky Swift in Tokyo; Suzanne McGee in New York and Sruthi Shankar in Bengaluru; Editing by Elisa Martinuzzi, Paritosh Bansal and David Gaffen)

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