Vertex Pharmaceuticals (VRTX) Stock: What to Know Before the Market Opens on Dec. 15, 2025
Vertex Pharmaceuticals shares closed Friday at $452.04, up 1.37%, extending a three-day rally but still 13% below the March high of $519.68. Trading volume topped 1.6 million shares, above the 50-day average. A Morgan Stanley upgrade and optimism over Vertex’s kidney disease pipeline have driven recent swings. New pediatric data for gene-editing therapy Casgevy drew attention at the ASH meeting.