Saint Louis, Missouri-based Centene Corporation (CNC) operates as a healthcare enterprise, providing programs and services to under-insured and uninsured families, commercial organizations, and military families. With a market cap of $15.3 billion, Centene operates through Medicaid, Medicare, Commercial, and Other segments. Companies worth$10 billion or more are generally described as "large-cap stocks." Centene fits this bill perfectly. Given that the company operates as one of the largest healthcare pl ...