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,

The US plans to slash the price it pays for the Novo Nordisk A/S blockbusters Ozempic and Wegovy, the latest drugs to be targeted under legislation that’s expected save the government more than $200 billion over a decade.