The report raised fears about the sustainability of AI infrastructure growth. That could mean less demand for Nvidia's chips. TD Cowen's Michael Elias said his team's finding points to "a potential oversupply position" for Microsoft. Shares of Nvidia fell 4% on Friday.
Microsoft pushed back Monday, saying it still planned to spend $80 billion on infrastructure in 2025.
"While we may strategically pace or adjust our infrastructure in some areas, we will continue to grow strongly in all regions. This allows us to invest and allocate resources to growth areas for our future," a spokesperson told CNBC.