The ticker symbol AMRN represents the common stock of Amarin Corporation plc on the Nasdaq Global Select Market. Purchasing or trading AMRN shares gives investors exposure to a specialized biopharmaceutical business enterprise dedicated to the discovery, development, and commercialization of therapeutics focused on improving cardiovascular health. Equity value fluctuations are driven primarily by prescription sales volumes of its flagship product Vascepa, international market expansion efforts, legal patent defense outcomes, and quarterly net earnings performance reports.