On July 21, Constellation Energy rose 3.09% in regular trading, trading at approximately $258.68/share, with turnover of $73.71 million. The advance was driven by the company's strategic equity investment in nuclear startup Blue Energy through its Constellation Technology Ventures arm, marking its first investment in a U.S. developer advancing small modular reactor (SMR) technology.

The investment is aimed at accelerating Blue Energy's innovative shipyard manufacturing model and project financing approach for new nuclear energy commercialization. The broader nuclear sector showed strong sympathy, with Oklo Inc. rising nearly 5% on the same session. Multiple recent catalysts continue to underpin confidence in the company's clean energy leadership, including a long-term nuclear power purchase agreement with Walmart involving approximately 176 megawatts from its Dresden facility in Illinois, as well as the completion of a 25-megawatt expansion at its Geysers geothermal complex in California.

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