Finance1 min read

This is the biggest threat to the AI-powered bull market

By · Via MarketWatch Top Stories · Published by Everything Blog

In short

Blockbuster earnings growth has served as the key engine propelling stock prices upward across 2026. The continuation of this strong upward momentum now faces a critical emerging risk. Specifically, corporate earnings expansion is at risk of potentially stalling in 2027, which threatens to undermine the financial foundation that has maintained the ongoing rally.

Key points

  • Market advances throughout 2026 have relied heavily on exceptionally strong corporate pro…: Market advances throughout 2026 have relied heavily on exceptionally strong corporate profitability.
  • Projected deceleration in earnings growth represents the main vulnerability facing equiti…: Projected deceleration in earnings growth represents the main vulnerability facing equities.
  • Sustaining current market momentum will become difficult if profit increases stall in 202…: Sustaining current market momentum will become difficult if profit increases stall in 2027.

Sources checked by our analysis pipeline: 1

Blockbuster earnings growth has helped to power the stock market higher in 2026. In 2027, that engine might stall.

Finance