Nasdaq slides 5% in worst day in 18 months amid regulation concerns
The tech-heavy index enters correction territory as investors react to signs of tougher AI regulation following midterm elections.
At a glance
- Nasdaq fell up to 5% on Thursday, its worst day in 18 months
- The index entered correction territory, down more than 10% from recent highs
- Losses followed signs of potential tougher AI regulation after midterm elections
- The decline was the largest single-day fall since April 2025 tariff announcements
The US Nasdaq share index fell up to 5% on Thursday, marking its worst day in 18 months, according to reports. The tech-heavy index entered correction territory, falling more than 10% below its recent record high.
The decline came amid growing signs that the artificial intelligence industry will face tougher regulation following this week's midterm elections. Wall Street experienced widespread losses across the board.
Why it matters
The Nasdaq's sharp decline reflects investor concerns about regulatory headwinds for the technology and artificial intelligence sectors, which have driven much of the market's recent gains.
Original reporting
- The Guardian — WorldNasdaq heading for worst day in 18 months as Wall Street sustains widespread losses
- The Guardian — BusinessNasdaq heading for worst day in 18 months as Wall Street sustains widespread losses
This brief was written with AI assistance from the reports listed above and checked against our editorial policy. Spotted an error? Request a correction.