US business inventories rose by 0.9% month-over-month in March 2026, following a 0.4% increase in February and slightly above market expectations of a 0.8% advance. This marked the strongest increase in stocks since June 2022, mainly on account of merchant wholesalers (1.3% vs 0.9% in February). Inventories also went up for manufacturers (0.6% vs 0.1%) and retailers (0.6 vs 0%). On a yearly basis, business inventories grew by 2% in March.