Valued at a market cap of $9.4 billion, DaVita Inc. (DVA) provides kidney dialysis services for patients suffering from chronic kidney failure. The Denver, Colorado-based company also offers outpatient, hospital inpatient, and home-based hemodialysis services, as well as clinical laboratory services. Companies worth$2 billion or more are typically classified as “mid-cap stocks,” and DaVita fits the label perfectly, with its market cap exceeding this threshold, underscoring its size, influence, and domina ...