HomeFOX NEWS Trending FOX BUSINESS News: Pfizer stock jumps, Moderna, Merck tumble byPrajapati -May 23, 2022 0 Pfizer stock jumps, Moderna, Merck tumble Pfizer's stock soared after it delivered groundbreaking results for its COVID-19 oral antiviral candidate, PAXLOVID. via FOX BUSINESS NEWS Markets https://ift.tt/30yXMZd Tags: FOX NEWS Market Facebook Twitter