Nuclear-power stocks slumped on Monday after US regulators barred a plant from supplying extra power to an Amazon data center. The Federal Energy Regulatory Commission rejected the deal between Amazon and Talen Energy late last week.

A series of recent rulings from regulators dashed the Big Tech companies' hopes of finding a quick fix for their electricity needs.

The Federal Energy Regulatory Commission has dealt a blow to plans by e-commerce and technology giant Amazon to build a series of data centers near Talen Energy’s nuclear power plant