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Valued at $164.7 billion, Pfizer Inc. (PFE) is a global biopharmaceutical company involved in the discovery, development, manufacturing, and marketing of drugs. The company’s main areas of focus include rare diseases, vaccines, oncology, infectious diseases, internal medicine, and inflammation & immunology. With headquarters in New York, Pfizer is a member of the benchmark S&P 500 Index ($SPX), and has 36 manufacturing sites worldwide.