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AI-Driven Stock Rally Faces Liquidity and Debt Risks

economy-finance · 2026-06-19

Global stock markets are surging on AI-fueled profits from US tech giants, but economists warn of a looming reality check. Bull investor Ed Yardeni raised his year-end S&P 500 target to 8,250, yet the World Bank projects global GDP growth slowing to 2.5% in 2026 from 2.9% last year, citing Middle East conflict and higher oil prices. Economist Steve Hanke flags dangerous debt levels and monetary policy in advanced economies. The US Federal Open Market Committee, under new chairman Kevin Warsh, held the federal funds rate at 3.5-3.75% while taking a hawkish stance on price stability. With 30-year US Treasury yields near 5% and consumer prices spiking to 4.2% in May, the average interest cost on US$39 trillion in sovereign debt is roughly 3.4% per annum, or about US$1 trillion. Interest payments were nearly 19% of federal revenue at end of last year. As liquidity becomes scarce, a market correction may follow.

Key facts

  • Ed Yardeni raised his year-end S&P 500 target from 7,700 to 8,250.
  • World Bank projects global GDP growth slowing to 2.5% in 2026, down from 2.9% last year.
  • Economist Steve Hanke warns of debt levels and monetary policy risks.
  • US Federal Open Market Committee held federal funds rate at 3.5-3.75%.
  • Kevin Warsh is the new chairman of the FOMC.
  • 30-year US Treasury yields hover around 5% per annum.
  • Consumer prices spiked to 4.2% in May.
  • US sovereign debt is US$39 trillion with average interest cost of 3.4% per annum, around US$1 trillion.

Entities

Institutions

  • World Bank
  • US Federal Open Market Committee
  • S&P 500

Locations

  • United States
  • Middle East

Sources