Pfizer Inc. (NYSE:PFE)  is included among the Best Retirement Stocks for a Dividend Stock Portfolio. Dividend Stock Portfolio for Retirement: Pfizer’s (PFE) Reliable Payouts Pfizer Inc. (NYSE:PFE) is an American multinational pharmaceutical and biotech company. The last three years have been challenging for its investors. The company’s COVID-19 vaccine and treatment initially sent the stock soaring during the pandemic, but once demand peaked, the share price followed suit. The stock has declined by nearl ...