Why Ultragenyx Pharmaceuticals Stock Is Plummeting Today
Heading into 2026 on an inauspicious note, Pharmaceuticals (NASDAQ: RARE), a pharmaceutical company specializing in treatments for rare and ultra-rare genetic diseases, announced disappointing results from its Phase 3 studies for setrusumab (UX143). Add in a flurry of analysts slashing their price targets on Ultragenyx stock, and it's clear why investors are clicking the sell button today.
As of 2:45 p.m. ET, shares of Ultragenyx are down 43.5%.
Image source: Getty Images.
Source Fool.com


