Amazon’s Cloud Unit Posts Fastest Growth Since 2022 on AI Pus

Amazon.com Inc.’s cloud unit posted the strongest growth rate in almost three years, reassuring investors who were concerned that the largest seller of rented computing power was losing ground to rivals. The shares surged.

Amazon Web Services reported third-quarter revenue of $33 billion, an increase of 20% from the prior year and the biggest year-over-year rise since the end of 2022. Analysts, on average, estimated 18% growth.

Investor expectations for the cloud business were relatively low heading into Thursday’s earnings report after the company in recent quarters cited constraints in getting new data centers online. Chief Executive Officer Andy Jassy and other executives had said they were optimistic about the business, though they stopped short of forecasting a reacceleration of growth.

The shares jumped more than 12% in premarket trading on Friday after closing at $222.86 in New York. The stock’s performance has lagged behind that of its industry peers this year, with investors worrying that the company has yet to benefit enough from its artificial intelligence products. In its most recent quarter, Microsoft Corp.’s Azure cloud business grew at almost twice the rate of AWS, while Alphabet Inc.’s Google Cloud posted 33.5% growth.

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Jassy opened a conference call with analysts after the results were released by cheering the prospects for AWS and rattling off figures on the impact of AI on the company’s businesses, most of which Amazon hadn’t disclosed previously.

The company estimates that Rufus, the shopping chatbot embedded in its retail apps, will help deliver an additional $10 billion in annual sales. Connect, the company’s call center product that is widely seen as its most successful software offering for office workers, is on track to pull in $1 billion in annualized revenue, Jassy said. Bedrock, the AWS marketplace for businesses to tap into AI models, could ultimately be as big a business as EC2, the computing service that is one of the cloud unit’s primary money makers.