Stock prices for Novo Nordisk fell by about 3% at market open after the Biden administration selected its revolutionary drugs for mandatory price negotiations.

Novo Nordisk's blockbuster diabetes drug Ozempic and weight-loss treatment Wegovy are among the 15 drugs targeted for Medicare price negotiations for 2027, the U.S. government said on Friday. Other drugs on the list include Pfizer's cancer drugs Ibrance and Xtandi,

In other news, Novo Nordisk announced the results from its phase 3b STEP UP semaglutide trial today. Specifically, the company said semaglutide 7.2 milligram (mg) injections over a 72-week period resulted in an average weight loss of 20.7%, better than the 17.5% weight loss achieved in a prior trial of semaglutide 2.4 mg injections.