设计和销售小型模块化反应堆的NuScale Power Corporation（SMR）跌幅收窄至不足2.9%，该公司获准在美国设计小型核反应堆。

Core Viewpoint - NuScale Power Corporation, a company specializing in the design and sale of small modular reactors (SMRs), has received approval to design small nuclear reactors in the United States, leading to a narrowing of its stock decline to less than 2.9% [1] Company Summary - NuScale Power Corporation focuses on small modular reactor technology, which is gaining regulatory approval in the U.S. [1] - The company's stock performance has shown resilience, with a decline of less than 2.9% following the news of regulatory approval [1] Industry Summary - The approval for small nuclear reactor designs represents a significant development in the nuclear energy sector, potentially enhancing the viability of SMR technology in the U.S. market [1]