Stock prices for Novo Nordisk dropped precipitously Friday after a last-minute announcement from the Biden administration that the premier drugs from the Danish pharmaceutical juggernaut have been selected for forced price negotiations for Medicare.

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.

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,