We recently compiled a list of the 12 Most Undervalued Dow Stocks to Buy According to Analysts. Amgen Inc. is one of them. Amgen Inc. (NASDAQ:AMGN), a leading biotechnology company specializing in innovative therapeutics for complex cancers and serious illnesses, is strengthening its U.S. manufacturing footprint with a major $650 million expansion announced in September 2025. The project will upgrade the biologics facility in Juncos, Puerto Rico, incorporating advanced technologies to enhance production e ...