Illinois-based Abbott Laboratories (ABT) is a diversified healthcare company that develops and manufactures medical devices, diagnostics, nutritional products, and branded generic medicines. Valued at $149.2 billion by market cap, it operates in more than 160 countries and is one of the world's largest healthcare companies.
Companies worth $10 billion or more are generally described as “large-cap stocks,” and ABT definitely fits that description, with its market cap exceeding this threshold, reflecting its substantial size, influence, and dominance in the medical devices industry.