Stock market today: Dow falls 800 points, S&P 500, Nasdaq slide as Trump's latest tariff salvo reverberates through markets

Yahoo Finance Published Updated Economy
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Affected assets and topics

Why it matters

The stock market experienced a significant decline, with the Dow falling 800 points, as Trump's latest tariff announcement and SCOTUS ruling refutation sent shockwaves through the markets.

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 Stock market today: Dow falls 800 points, S&P 500, Nasdaq slide as Trump's latest tariff salvo reverberates through markets
Affected assets DOW, NASDAQ
AI inference Bearish · 90%
Generated 2026-02-23 20:10

AI provenance

Analysed by Llama 3.1 8B Instant (Groq) Methodology v1.0 Generated
Technical identifiers
Provider tag
groq-llama-3.1-8b-instant
Model id
llama-3.1-8b-instant
Analysis version
groq-llama-3.1-8b-instant
Article id
49111
Timeframe
6h

Prediction lifecycle

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

    Scored incorrect

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

    Scored incorrect

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

Actual outcome

Asset DOW
Reference price 47417.27000000
Price at evaluation 49407.66000000
Change 4.1976%
Result Scored incorrect

Original source

Wall Street has been buffeted by the winds of Trump's tariffs over the weekend. A SCOTUS ruling was quickly refuted by the president in a fast-developing situation.

Read the full article on Yahoo Finance

Original article published by Yahoo Finance on February 23, 2026. Analysis and insights provided by AnalystMarkets AI.

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Llama 3.1 8B Instant (Groq) · 40.5% correct across 1187 scored calls on indices See the full record