McKesson Corporation (MCK) Stock Today: Price Drop, Oncology Push and 2026 Outlook as of December 3, 2025
McKesson Corporation (NYSE: MCK) is ending 2025 as one of the standout performers in U.S. healthcare — but as of Wednesday, December 3, its stock is taking a breather. At the close, McKesson shares finished at $805.37, down 2.93% on