Nuclear energy’s resurgence and defense investments are trending across global headlines. That broader push has elevated Amentum Holdings (AMTM), a relatively under-the-radar nuclear energy stock. The company now oversees nearly 90% of America’s nuclear infrastructure for the Department of Energy. That footprint is why Andrew Left of Citron Research recently called it “the Most Important Company in America” and flagged its unique national security role. Following this bullish note, its shares rose by 17%. ...