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Thermo Fisher Scientific sells scientific instruments and laboratory equipment, diagnostics consumables, and life science reagents. The firm operates through four segments as of end-2023 (revenue figures include some cross-segment revenue): analytical technologies (17% of sales); specialty diagnostic products (10%); life science solutions (23%); and lab products and services, which includes CRO services (54%).

CVS Health offers a diverse set of healthcare services. Its roots are in its retail pharmacy operations, where it operates over 9,000 stores primarily in the U.S. CVS is also the largest pharmacy benefit manager (acquired through Caremark), processing over 2 billion adjusted claims annually. It also operates a top-tier health insurer (acquired through Aetna) where it serves about 26 million medical members. The company's recent acquisition of Oak Street adds primary care services to the mix, which could have significant synergies with all its existing business lines.

The Vickers Top Insider Picks is a daily report that utilizes a proprietary algorithm to identify 25 companies with compelling insider purchase histories based on transactions over the past three months.

Stryker designs, manufactures, and markets an array of medical equipment, instruments, consumable supplies, and implantable devices. The product portfolio includes hip and knee replacements, endoscopy systems, operating room equipment, embolic coils, hospital beds and gurneys, and spinal devices. Stryker remains one of the three largest competitors in reconstructive orthopedic implants and holds the leadership position in operating room equipment. Just over one fourth of Stryker's total revenue currently comes from outside the United States.