Hartnett’s Midterm Fault Line: A Democratic Sweep Could Break Stocks and Burst the AI Bubble

The most important market event last week was not simply the unexpectedly strong payroll report. It was the continued breakdown in global bond markets, where yields have climbed to levels that now threaten the valuations, financing assumptions, and capital expenditure plans supporting the equity bull market.

Takeaways by The Dark Side of the Boom™

• Michael Hartnett says bonds now control the equity bubble. Central banks are raising rates to defend credibility and prevent long-dated yields from breaking higher.

• The market remains priced for a near-perfect consensus: resilient growth, no damaging Fed hike, no reduction in AI capital expenditure and no Democratic sweep.

• Hartnett sees lower fourth-quarter yields as an increasingly attractive contrarian trade while remaining strategically long commodities, gold and other debasement hedges.

• A Democratic sweep is his largest unpriced political risk. His scenario implies a stock market decline of more than 10%, a weaker dollar, lower bond yields and a reversal in the AI capital expenditure boom.

The most important market event last week was not simply the unexpectedly strong payroll report. It was the continued breakdown in global bond markets, where yields have climbed to levels that now threaten the valuations, financing assumptions, and capital expenditure plans supporting the equity bull market.

The numbers are becoming difficult to dismiss.