🟢 McKesson is trading 5% up today in after-hours trading as major U.S. indexes advance

McKesson is trading at $924.39, up +4.89% after the September 11, 2026 close, amid broad risk-on market sentiment.

• No clear September 11 company-specific announcement, earnings release, or analyst action explains the move.
• The latest identified company news was the September 8 Wells Fargo healthcare conference, focused on growth and deal strategy, rather than a new after-hours catalyst.
• The S&P 500, Nasdaq, and Dow all advanced more than 0.5%.