Regeneron Pharmaceuticals Inc. (REGN) shares experienced a significant decline following the announcement of positive Phase 3 trial results for its drug Itepekimab. The market reaction suggests investors may be factoring in other considerations or a "sell the news" event despite the clinical success.
Regeneron Shares Decline Despite Positive Itepekimab Trial Data
PharmaceuticalsBiotechStock MovementClinical TrialsREGN

