TD Cowen noticed Microsoft doing something strange on Friday. The Open AI partner and tech giant appeared to be cancelling data center leases. According to the market analysts, this is part of a wider pattern. TD Cowen said Microsoft had an “oversupply” problem. It’s another datapoint that points to Big Tech’s nervousness around its big bet on AI.

Skepticism has been growing among investors over the billions of dollars U.S. tech firms have been channeling into AI infrastructure due to slow payoffs and breakthroughs at Chinese startup DeepSeek,

An analyst note flagging a possible slowdown by Microsoft in leasing data center capacity grabbed the market's attention on Monday, lending credence to skepticism among investors worried that the AI-led stock-market boom might be running out of steam.