FDA push for cheaper ‘biosimilar’ drugs could challenge pharma’s biggest blockbusters By: MarketWatch March 29, 2018 at 12:06 PM EDT The regulator wants to bolster competition for cancer and rheumatoid arthritis drugs, among others. Read More >> Related Stocks: AbbVie Amgen Merck & Co Novartis Ag ADR Pfizer Roche Holding AG Basel American Depositary Shares S&P Pharmaceuticals SPDR