John Authers is a senior editor for markets. Before Bloomberg, he spent 29 years with the Financial Times, where he was head of the Lex Column and chief markets commentator. He is the author of “The Fearful Rise of Markets” and other books. Read more opinion Follow @johnauthers on Twitter […]

BERLIN—The new coronavirus variant that is spreading across the U.K. could make it more difficult to reach so-called herd immunity, according to the chief executive of BioNTech SE, the German company that developed the Covid-19 vaccine with Pfizer Inc. British authorities have said the new variant of the coronavirus is […]