An AI chatbot developed by China’s DeepSeek rose to the top of the Apple App Store on Monday, surpassing ChatGPT. DeepSeek said it can operate with much less computing power tha

The Chinese AI company roiled financial markets and showed the road to growth in electricity demand may be bumpy.

The debut of China's DeepSeek AI lab is raising doubts about the billions of dollars the tech sector is investing in data centers.

Shares of nuclear power providers tumbled on Monday as markets reacted to the success of a Chinese startup’s AI model that challenges the performance of the most advanced American models.

AI-exposed power stocks attempted a rebound Tuesday after getting crushed over worries of less-than-expected energy demand.

Nuscale Power Corp, one of the market's best-performing nuclear energy stocks in 2024, dropped as much as 24%. Vistra Corp, another nuclear power provider, dropped as much as 26%, while Talen Energy Corp and Constellation Energy Corporation dropped 21% and 20%, respectively.

The implosion of U.S. tech stocks on Monday and Trump-era turbulence are making it a lot harder to predict future energy demand.

Investors spent much of 2024 looking for less crowded trades set to gain from the AI boom. This week many of those names got caught in the historic sell-off.

The Chinese company says its AI model is cheaper and uses less energy than those of its competitors, driving questions about predictions of enormous power

While excitement around AI drove significant growth in the stock market in 2024, for economists, much of the enthusiasm about AI has to do with its potential impact on productivity.

Constellation Energy, the biggest U.S. producer of nuclear power, dropped 17% in late morning trading Monday. Nuclear-heavy power company Vistra Energy, Nano Nuclear Energy and Vertiv Holdings--which provides cooling and energy management for data centers--each lost about a fifth of their market value, as did power-turbine maker GE Vernova.

In one brutal blow, DeepSeek has revealed just how many energy-related businesses in the US have been banking on an artificial intelligence boom — and the surge in power demand it was supposed to bring.