Amgen's experimental weight loss injection, MariTide, showed up to 20% weight loss in patients without diabetes and 17% in those with diabetes after a

Amgen stock was dropping sharply Tuesday after releasing what looked like positive data from a Phase 2 study for its experimental monthly weight-loss shot MariTide.Overweight or obese patients on MariTide lost 20% of their body weight on average,

Amgen's experimental drug MariTide led to an average weight loss of up to 20% in a year-long mid-stage trial of nearly 600 people who were overweight or obese, the company said on Tuesday.