Jefferies Strategist Warns Debt-Funded AI Spending Could Destroy Capital

Jefferies Global Head of Equity Strategy Chris Wood warned that U.S. hyperscalers could face significant capital destruction if returns from artificial intelligence infrastructure fail to justify their accelerating investments.

“My base case remains that they will not generate returns sufficient to justify those investments. Ultimately there will be significant capital destruction,” Wood said in a Sept. 17 interview.

Hyperscalers are spending heavily on data centers, computing capacity and related equipment. Wood said the spending is increasingly being financed through debt rather than cash, raising the risk of greater financial pressure if revenue growth fails to keep pace with investment.

“The key difference now is that this investment is increasingly being financed through debt rather than cash,” Wood said.

Wood said the concern was tied to the economics of AI infrastructure rather than the disappearance of demand for AI services. Competition from cheaper Chinese models could also pressure the prices providers can charge.

“The moment credit markets effectively withdraw funding, the entire AI trade could unravel,” Wood said.

Wood, who publishes Jefferies’ weekly GREED & fear investment report, said AI capital expenditure was still accelerating in September. He did not give a timetable for a downturn.

Semiconductor companies could continue benefiting while investors and lenders remain willing to finance AI capital expenditure, Wood said. That support could weaken if credit markets pull back or if infrastructure spending produces returns below expectations.

The warning follows a July working paper that examined the financial risks of excessive AI investment and debt financing. The analysis examined how heavy investment and interconnected financing relationships could increase financial fragility across the sector.

Wood’s comments leave the next catalyst tied to financing conditions and the returns generated by AI infrastructure spending. No specific deadline or market event was provided.