McKesson Corporation (MCK) closed at $865.32 on September 30, 2026, gaining 1.05% over the prior 24 hours. The move offered some relief for shareholders after a stretch of negative performance.
Despite the single-day gain, the stock remained under pressure across longer time frames, posting a decline of 2.99% over the past seven days and a 3.19% loss over the past 30 days. Those figures suggest the daily uptick has not yet offset the broader downward trend.
McKesson's market capitalization stood at $99.84 billion as of the close, keeping the healthcare distribution giant among the larger companies by that measure. The stock continues to trade well above the $800 level even with the recent pullback.
The one-month loss reflects persistent selling pressure, and the one-day gain leaves open the question of whether momentum has shifted. Investors are watching how the stock performs heading into the next trading sessions.



