AI boom under threat from tariffs, global economic turmoil

Corporate America’s artificial intelligence investment frenzy has shrugged off fears of slow returns and doubts fueled by AI models built cheaply by China’s DeepSeek. But a global trade war started by the Trump administration threatens to stall the boom across industries from energy to software.

Upcoming earnings reports from tech giants including Alphabet and Microsoft, as well as utilities that power massive data centers such as Vistra and Constellation Energy, will show whether tit-for-tat tariffs between the U.S. and China are forcing businesses…