Alphabet Inc (GOOGL.O), which has the smallest cloud business among the three, said Google Cloud grew 32%, the slowest rise since the company began reporting the measure in 2019. "Once thought as the most defensive revenue stream in tech, we are seeing investors questioning the cyclicality for the (cloud) business," analysts at Bernstein said. Microsoft's revenue in its so-called intelligent cloud business that includes Azure rose 18% to beat expectations for October to December. Amazon finance chief Brian Olsavsky said on Thursday that the company expects slower cloud growth rates for the next few quarters. "Those (AI) advancements and demand for related cloud services will take time to materialize.

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