US business inventories rose by 0.1% month-over-month in December 2025, following a revised flat reading in November, matching analysts' estimates. Stocks increased at merchant wholesalers (0.2% vs 0.2% in November), retailers (0.1% vs -0.4%) and manufacturers (0.1% vs 0.2%). On a yearly basis, total business inventories went up by 1.6% in December.