#MajorStockIndexesPlunge US Stock Market Plunge: What Investors Need to Know
On January 20, 2026, the U.S. stock market experienced one of its sharpest one-day declines in months. All three major indexes — Dow Jones, S&P 500, and Nasdaq — fell dramatically, signaling heightened market uncertainty.
1. Index Performance
Dow Jones Industrial Average: Fell 870.74 points (–1.76%), closing at 48,488.59
S&P 500: Dropped 2.4%, its largest decline since October 2025
Nasdaq Composite: Declined 561.07 points (–2.4%), closing at 22,954.32
This widespread decline highlights that investors are reacting to