MCKESSON CORP 10-K — AI Bull & Bear Analysis

The fiscal 2026 10-K reveals a company in the midst of a high-stakes identity shift. McKesson is successfully growing its top line and expanding margins in specialty segments, but these operational wins are balanced against a precarious capital structure and a mountain of legal liabilities. The planned separation of the Medical-Surgical Solutions segment and the shift toward a one-stop-shop for specialty care are the primary catalysts for a potential valuation re-rating. Ultimately, the investment case hinges on whether the high-margin specialty business can scale fast enough to offset the costs of debt service and the potential for further multi-billion dollar legal judgments. The company's ability to maintain its credit rating and navigate the evolving regulatory landscape of the Inflation Reduction Act will be critical in determining if this pivot leads to sustainable long-term value.