Shares of Eli Lilly (NYSE: LLY) sank after the drugmaker lowered its full-year profit outlook, and a potential headwind to pricing and access to its drug Zepbound emerged. The company's GLP-1 drugs continue to drive strong revenue growth. Mounjaro is approved by the Food and Drug Administration (FDA) to help adults with type 2 diabetes lower their blood glucose levels, while Zepbound is approved for weight loss in obese adults or overweight adults with at least one weight-related condition, such as high cholesterol or high blood pressure.