Vaccine stocks slipped after Pfizer announced his good news.Pfizer said its Covid-19 pill reduced hospitalizations and deaths in high-risk patients by 89%.
BioNTech SE,Moderna,Novavax,Merck,Regeneron Pharmaceuticals,Vir Biotechnology,Inovio Pharmaceuticals,Gilead Sciences,Eli Lilly and AstraZeneca fell between 1% and 11%.Whlie Pfizer surged 12% in premarket trading.