Pharmaceutical stocks experienced broad declines in Tuesday's trading session. As of writing, Eli Lilly (LLY.US) led losses with a drop exceeding 2.9%. Sector peers Novo Nordisk (NVO.US) and Moderna (MRNA.US) both fell more than 2%, while Pfizer (PFE.US) declined over 1.7%. UnitedHealth Group (UNH.US) also saw significant pressure, sliding beyond 2.2% amid the sector-wide pullback. The downward movement reflects ongoing market repositioning within the healthcare segment without immediate catalysts cited for the collective weakness.