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ajay_suresh, CC BY 2.0 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.
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.
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.
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.