Constellation Brands is experiencing a 17% stock decline due to challenges like tariffs, declining wine and spirits sales, and a shift towards healthier lifestyles. However, its beer brands remain strong, and management is focusing on cost savings, share buybacks, and potential price increases to mitigate risks. Guidance for fiscal 2025 and 2026 suggests moderate growth, but tariff uncertainties and economic pressures on lower-end consumers pose significant risks.