Jefferies Strategist Warns Big Tech's AI Spending Spree Risks 'Capital Destruction'

Jefferies' top strategist, Chris Wood, has issued a sharp warning: the massive AI spending by tech giants like Microsoft, Meta Platforms, and Alphabet could backfire, leading to 'massive capital destruction.' He argues that markets are poised to push back against these rising, often debt-funded, investments, signaling a potential reckoning for Wall Street's biggest players. The core of Wood's concern, outlined in his 'Greed & Fear' report, is that the current AI boom mirrors past speculative cycles, with AI valuations potentially detaching from true economic fundamentals. In 2026 alone, major US hyperscalers, including Amazon, have already issued a staggering $144 billion in bonds to fuel their AI ambitions, significantly up from $83 billion in 2025, transforming their traditional cash-funded strategies. This comes as some analysts, like 'Big Short' investor Michael Burry, have pointed to a 'leverage bubble' in AI, rather than an 'earnings bubble,' raising flags about the growing reliance on borrowed money for this ambitious build-out. Looking ahead, the market will intensely scrutinize whether these monumental AI investments yield adequate returns, especially as concerns about 'malinvestment' and geopolitical risks persist. The sheer scale is unprecedented, with projected AI capital expenditures from these tech giants potentially exceeding $800 billion in 2026 and even surpassing the entire U.S. defense budget by 2027. Investors should watch closely for signs of market resistance to this debt-fueled growth, particularly for companies where capital expenditure begins to outstrip operating cash flow.