Merck & Co., Inc.
Merck & Company, Inc., known as Merck Sharp & Dohme, or MSD, outside the United States and Canada, is one of the largest pharmaceutical companies in the world. Founded in 1891 in the US, and independent since World War I from its parent company, now one of the largest companies in Germany, Merck provides prescription medicines, vaccines, biologic therapies, and animal health products.
The market capitalization of a company, more simply referred to as "market cap", is the total market value of a publicly traded company's outstanding shares. It is often considered as a key indicator of what a company is worth.