Wall Street ends higher as Amazon soothes AI jitters

Amazon surged over 15% after posting its biggest quarterly revenue growth in over four years. Its results, along with a similar report from Microsoft on Wednesday, alleviated investor concerns about potential overspending on AI data centres.

Worries that heavy investments in AI infrastructure may be taking too long to pay off rattled global markets this month and led to doubts about companies at the centre of Wall Street’s rally in recent years.

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