Spending on data centers in the U.S. reached a record high of $40B in June, following a 50% increase in the same time period last year. The surge in the adoption of artificial intelligence is fueling ...

While data centers generate tax revenues and create jobs, they're also straining the electrical grid and gulping water.

WDC and STX are riding AI-driven data demand, but valuations, earnings trends and risks tilt the edge toward WDC as the stronger pick.