Dow Jones Today, Stocks Ease As Salesforce-Slack Deal Weighs; U.K. Approves Pfizer/BioNTech Vaccine

Dow Jones Today, Stocks Ease As Salesforce-Slack Deal Weighs; U.K. Approves Pfizer/BioNTech Vaccine
ALAN R. ELLIOTT

BioNTech and Pfizer rallied after U.K. approval of their coronavirus vaccine, while Salesforce dragged on the Dow Jones, as stocks traded lower.