Rhythm Pharmaceuticals (RYTM) Hits Record High on Rare-Disease Breakthrough: Latest News, Stock Forecast and Analyst Outlook
Rhythm Pharmaceuticals, Inc. stock is on a tear. On 11 December 2025, shares surged to a new all‑time high after the company reported encouraging mid‑stage data in Prader‑Willi syndrome and investors refocused on a growing obesity franchise built around its melanocortin‑4 receptor agonist, IMCIVREE.Investing.com+1
