The clean-energy producer soared to start this year.Shares of Constellation Energy (CEG -1.56%) rocketed 71.3% in the first half of 2024, according to data from S&P Global Market Intelligence. That easily outperformed the S&P 500, which got off to a strong start by rallying 14.5% in the first half. The clean-energy producer's stock surged because of its strong financial outlook and a growing belief that technology companies will use nuclear energy to power their AI data centers. Here's a closer look at what ...