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The report is the latest worry for Nvidia shareholders, who have been fretting that Google could upend the AI trade.

The report is the latest worry for Nvidia shareholders, who have been fretting that Google could upend the AI trade.

While some European leaders fret that losing out in the AI race could weaken the continent's already fragile economy, others are warning against a head-long rush to adopt the technology.

The Nasdaq Composite has fallen 8% from its October highs, as investors fret about valuations for artificial-intelligence stocks, the future of Federal Reserve policy, and the economy.

Analysts have fretted over slowing growth and, more recently, weak third-quarter results.