US wholesale inventories increased by 0.6% month-over-month to $941.5 billion in September 2026, following a 0.5% rise in August and above market forecasts for a 0.5% gain, advance data showed. If confirmed, this would mark the eighth consecutive monthly increase, indicating continued accumulation of goods across the wholesale sector. The rise was broad-based, with inventories of nondurable goods increasing 0.9%, while durable goods stocks rose 0.4%. Compared with September last year, wholesale inventories are estimated to have grown 7.4%.