Arguably, no big pharma stocks have dominated the industry more over the last few years than Eli Lilly (LLY 0.35%) and Pfizer (PFE 0.96%).When the COVID-19 pandemic began in 2020, Pfizer quickly emerged as the leader in the race to develop a vaccine. It ultimately raked in billions of dollars in sales for the first approved COVID-19 vaccine. Pfizer also made a fortune with its oral COVID-19 therapy, Paxlovid.Eli Lilly now ranks as the largest drugmaker in the world based on market cap. Its remarkable rise h ...