Nasdaq suffers worst day in 18 months as AI regulation fears erase nearly $2tn
The Nasdaq fell 5.5% in its worst day in 18 months as investors worried that the US midterm election results could lead to tougher regulation of AI data centres, wiping nearly $2tn from the index’s value and pushing it into correction territory.Investors reacted to growing concerns that the US midterm election results could bring tougher scrutiny of the artificial intelligence industry and data-centre construction. The Nasdaq Composite fell 5.5%, its worst daily performance in 18 months, and entered correction territory after dropping more than 10% from its recent record high. Nearly $2tn was wiped from its value by the end of trading, making it the index’s biggest one-day fall since April 2025.
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