US markets advanced Friday while European counterparts marked time, in response to sharp losses in Asia at the end of a week which saw heightened fears of a bursting AI bubble.

A blockbuster earnings report from chip bellwether Nvidia on Wednesday seemed to soothe concerns that vast investments in the artificial intelligence sector may have been overdone.

But Nvidia shares closed one percent lower on Wall Street as warnings grew that the tech-led rally may have run its course across equities. This had seen several markets hit record highs and companies clock eye-watering capitalizations.

Adding to unease were mixed US September jobs data released Thursday that raised the possibility that the Federal Reserve could decide against cutting interest rates in December.

That unease spread to

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