AI, defense stocks slide as clean energy shares rally after Democrats take control of Congress

Data center stocks slid in premarket trading on Wednesday, while clean-energy ​shares rallied after Democrats seized control of Congress, prompting investors to reposition for tougher scrutiny of the AI boom and a shift in policy priorities.

The Democratic sweep, which included victories in traditional Republican strongholds and key data-center hubs Texas and Georgia, will usher in divided government in Washington and raises the prospect of greater congressional oversight of industries that benefited from Republican control.