Why These AI Power Stocks Plunged on Monday

Key TakeawaysNuclear power providers Vistra and Constellation Energy were the worst-performing stocks in the S&P 500 on Monday as investors questioned whether AI will require the huge amounts of computing power and electricity once expected. An open-source AI model from Chinese startup DeepSeek has been found to perform nearly as well as models from American leaders like OpenAI and Google at a fraction of the cost.DeepSeek's success could force the U.S. AI industry to focus on improving efficiency, threaten ...