Madison, Wisconsin-based Alliant Energy Corporation (LNT) operates as a utility holding company that provides regulated electricity and natural gas services. Valued at $16.8 billion by market cap, the company supplies electricity, natural gas, and water to residential and commercial customers. Companies worth$10 billion or more are generally described as “large-cap stocks.” LNT effortlessly fits that bill, with its market cap exceeding this mark, underscoring its size, influence, and dominance within th ...