How major US stock indexes fared Monday, 2/23/2026

Yahoo Finance Published Updated Economy
Sign in to save

Affected assets and topics

$DOW $NASDAQ

Why it matters

US stock indexes declined on Monday due to President Trump's new tariffs and investor concerns about AI-related losses, with the S&P 500, Dow Jones, and Nasdaq experiencing losses of 1%, 1.7%, and 1.1% respectively.

Article tone

Neutral How the article is written, as reported by the source.

Expected market reaction

Bearish Confidence 90% How confidence is read Horizon: Short term Impact: High

Market impact analysis based on bearish sentiment with 90% confidence.

Evidence trail

Evidence
Source Yahoo Finance
Claim How major US stock indexes fared Monday, 2/23/2026
Affected assets DOW, NASDAQ
AI inference Bearish · 90%
Generated 2026-02-23 21:30

AI provenance

Analysed by Llama 3.1 8B Instant (Groq) Methodology v1.0 Generated
Technical identifiers
Provider tag
groq-llama-3.1-8b-instant
Analysis version
groq-llama-3.1-8b-instant
Article id
49166
Timeframe
6h

Prediction lifecycle

  • Llama 3.1 8B Instant (Groq) DOW Bearish 90% 6h
    Generated 6h Excluded

    Expired: not evaluated within 7 days of its 6h timeframe elapsing

  • Llama 3.1 8B Instant (Groq) NASDAQ Bearish 90% 6h
    Generated 6h Excluded

    Expired: not evaluated within 7 days of its 6h timeframe elapsing

Logged at publication, scored automatically once the window closes — never edited.

Original source

U.S. stocks slumped after President Donald Trump ramped up his newest tariffs, while investors continued to punish companies that could be losers in the artificial-intelligence revolution. The S&P 500 sank 1% Monday. The Dow Jones Industrial Average dropped 1.7%, and the Nasdaq composite fell 1.1%.

Read the full article on Yahoo Finance

Original article published by Yahoo Finance on February 24, 2026. Analysis and insights provided by AnalystMarkets AI.

More of the DOW narrative