Key TakeawaysUnder Armour's fourth-quarter profit missed estimates, with CEO Kevin Plank attributing the quarter to a "challenging retail environment."The apparel maker announced a fiscal 2025 restructuring plan that could cause up to $90 million in costs through layoffs and other methods.The company's board also approved a stock buyback plan, allowing Under Armour to repurchase $500 million of its own shares over the next three years. Under Armour (UAA) on Thursday reported fourth-quarter profit that fell ...