Shares of Pfizer (ticker: PFE) jumped 12.2% in premarket trading Friday, while Merck (MRK) shares dropped 8.6%.
Reported cases represent just a tiny fraction of the nearly 130 million Americans who have been fully vaccinated with either Pf
As Moderna, Pfizer and BioNTech have this month been busy releasing early data out of their COVID-19 vaccine programs, AstraZen
The Dow Jones Industrial Average briefly fell 150 points on rising U.S.-China tensions, as China halted purchases of some U.S.