Huntington Ingalls Industries (HII 0.82%) has emerged as a stock market outperformer in 2025, rewarding shareholders with a solid 21% return year to date as of this writing.The defense contractor, recognized as the largest military shipbuilder in the United States, is set to capitalize on several growth tailwinds. The new Trump administration has proposed increased funding for domestic shipbuilding programs, which directly benefits the company's unique market positioning. The company's outlook is further bo ...