AI fears weigh on European markets as Rheinmetall plunges nearly 17%

European stocks gave up early gains to close mostly lower on Thursday, weighed down by sharp losses in technology and financial shares amid concerns over tighter US regulation of artificial intelligence. Technology stocks came under pressure on fears that a Democratic-controlled US Congress could introduce tougher rules governing AI development and data centre construction, potentially slowing capital expenditure across the sector.

Nov 5, 2026 - 23:00
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AI fears weigh on European markets as Rheinmetall plunges nearly 17%
European stocks gave up early gains to close mostly lower on Thursday, weighed down by sharp losses in technology and financial shares amid concerns over tighter US regulation of artificial intelligence. Technology stocks came under pressure on fears that a Democratic-controlled US Congress could introduce tougher rules governing AI development and data centre construction, potentially slowing capital expenditure across the sector.

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