LLY stock jumps 9%: Why Eli Lilly stock is soaring today - Mounjaro, Zepbound sales drive massive earnings beat and 2026 forecast stuns Wall Street

LLY stock today: Eli Lilly's stock saw a significant jump following impressive fourth-quarter results and a strong 2026 financial forecast. The company anticipates substantial revenue growth, largely fueled by its popular drugs Mounjaro and Zepbound. This positive outlook contrasts with a rival's warning, highlighting Lilly's robust performance and market position in the growing obesity drug sector.