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Wall Street has its worst day since April 2025 as chip stocks lead a post-election sell-off

The Nasdaq Composite fell 5.5% on Thursday 5 November and entered a correction as AI and semiconductor shares tumbled, and the selling spread to Asian markets on Friday.

Business

By Comlumen Desk Compiled stories

4 min read

Compiled by the Comlumen Desk from the reporting and official sources listed at the end of this story, and written with AI assistance. It contains no original reporting by Comlumen. How we report

The columned façade of the New York Stock Exchange
The New York Stock Exchange at Broad Street and Wall Street. Arild Vågen / Wikimedia Commons, CC BY-SA 4.0

In this story
  1. Chipmakers hit hardest
  2. Why investors sold
  3. Asia follows on Friday
  4. What comes next
  5. How this story was sourced

US stocks fell sharply on Thursday 5 November as investors sold artificial intelligence (AI) and semiconductor shares, two days after the US midterm elections. The S&P 500 had its worst day since April 2025, the Associated Press (AP) reported, and CNBC said the same of the Nasdaq Composite.

How this story was sourced.

11 sources from 5 organisations.

News organisations 11

Reports by other newsrooms. Where a story was carried by another outlet, both are named.

  1. Associated Press via Spectrum News S&P 500 drops 4.4% in worst day since 2025 as AI chips slide spectrumlocalnews.com
  2. CNBC Dow drops 1,800 points; Nasdaq tumbles into correction territory on AI tech wreck: Live updates cnbc.com
  3. CNBC Stock futures mixed after Nasdaq correction; Japan's Nikkei 225 enters bear market: Live updates cnbc.com
  4. CNBC AI meltdown: Nvidia and Qualcomm drop more than 9%, pushing Nasdaq to worst day since April 2025 cnbc.com
  5. CNBC Dow soars 1,500 points for best day since April 2025 on clear-cut Democratic win, falling oil: Live updates cnbc.com
  6. ABC News Dow closes up 1,500 points as Democrats take control of Congress abcnews.com
  7. ABC News Dow plunges 1,800 points, wiping out gains from midterm results rally abcnews.com
  8. NBC News Stocks plunge as election outcome and AI worries crush tech shares nbcnews.com
  9. Reuters via US News Texas governor-elect says state will have laws to shield citizens from data centers usnews.com
  10. Reuters via Business Recorder Asia stocks crumble after AI rout rocks US markets brecorder.com
  11. CNBC The October jobs report is out Friday. Here's everything to expect cnbc.com
The sources as the story lists them

Sources

Comlumen Desk Compiled stories
Stories under the Comlumen Desk byline are compiled from reporting by other news organisations and from official sources, and written with AI assistance. They contain no original reporting by Comlumen. Every source is listed and linked at the end of each story, and facts are attributed in the text to the organisation that reported them. How we report.

The story so far. More on Markets, Technology and US politics.

  1. Technology US tech stocks lose more than $2 trillion as investors weigh Democratic wins on AI The Nasdaq Composite fell 5.5% on 5 November 2026, its worst day since April 2025, as chipmakers led a sell-off driven by fears that a Democratic Congress will slow the data-centre build-out behind the AI boom.
  2. Business Oil swings after US midterms as traders weigh Iran war and Hormuz disruption Brent crude fell 8.7% on 4 November on hopes the election result would speed an end to the war with Iran, then rose back towards $100 a barrel after new tanker attacks.
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