Wholesale inventories rose 0.4% in September after a rise the prior month, the Commerce Department reported Nov. 15.
Sales increased 0.6% in September after a 0.4% rise the prior month. The rise in inventories followed a 0.8% rise in August.
Inventories excluding oil increased 0.5% in September.
Economists had called for a 0.4% gain in wholesale inventories, Bloomberg News reported.
Wholesale inventories account for about one-fourth of total business stockpiles. Retailers and factories account for the rest.