Issuing new shares would cause dilution in the value of existing shares. Going into , the company expects an FDA decision on tafamidis, a treatment for progressive heart damage. It’s possible that pharma companies will also have to negotiate directly with CMS for Medicare in the future. Healthcare Sector Definition The healthcare sector consists of companies that provide medical services, manufacture medical equipment or drugs, provide medical insurance, or otherwise facilitate the provision of healthcare to patients. These can be diseases, cancers, or viruses that attack the nervous system, skin, heart, and so on.