Eli Lilly & Co. is suing four telehealth companies selling compounded versions of tirzepatide, the active ingredient in Lilly's weight-loss drug Zepbound and diabetes drug Mounjaro. Lilly claims Mochi Health,

Eli Lilly (NYSE: LLY) has been growing its sales at a good clip over the past year. This is partly thanks to Zepbound, a weight loss medicine that's already generating more than $1 billion in quarterly sales,

Shares in pharmaceuticals firm Eli Lilly (LLY) rose today after it said it was suing companies ripping off its weight-loss and diabetes