Novo Nordisk shares jumped 8% Monday after Hims & Hers said it will pull its copycat weight-loss pill off the market.

Hims & Hers stock fall to a 12-month low after Novo said it's $49 Wegovy pill copy was "illegal"

The FDA said on Friday it plans to restrict GLP-1 ingredients used in non-approved compounded drugs from companies like Hims & Hers.