Shares of Pfizer Inc. and other biotech drug makers fell in the extended session Friday after Pfizer slashed $9 billion in expected sales from its full-year…

A Los Angeles entrepreneur is seeking to change the minds of the roughly 30% of Americans who are refusing COVID-19 vaccines with a new public-service announcement…

It’s likely that millions of COVID-19 booster shots will be administered in the U.S. in the coming months, but that doesn’t mean companies like Moderna Inc.…

Companies in need of cash are rushing to take advantage of an opportunity to raise money through equity markets while they still can. The mad dash…