Eli Lilly said on Monday it has sued two medical spas for selling unapproved products claiming to contain tirzepatide, the main ingredient in its popular weight-loss medicine Zepbound.

Eli Lilly's dominance in the GLP-1 market and strong revenue growth forecast make LLY stock a promising investment, with a fair price target of $1,200. See more.

Eli Lilly has asked to join in opposing a lawsuit brought by compounding pharmacies against the U.S. Food and Drug Administration over the agency's decision that Lilly's blockbuster weight-loss and diabetes drugs are no longer in short supply.

Eli Lilly shares dropped after the drugmaker cut its 2024 revenue guidance, citing lower-than-expected demand for its obesity and diabetes drugs.

Eli Lilly (LLY) revised its revenue outlook on Tuesday for the fourth quarter of 2024 on weaker-than-expected demand for its popular weight-loss drugs, Zepbound and Mounjaro.

Eli Lilly expects sales of popular weight-loss drug Zepbound and related diabetes treatment Mounjaro to miss Wall Street expectations in the fourth quarter, but forecast 2025 revenue largely above estimates.