Business inventories were unchanged at $1.889 trillion in April, while sales were 1.4% higher at $1.390 trillion, the Commerce Department reported Wednesday.
Inventories were up 0.6% in August, while sales grew 0.8%.
On a year-over-year basis, inventories climbed 3.5% over the same month in 2016, while sales jumped 6.4% in that period.
The total business inventories/sales ratio, based on seasonally adjusted data at the end of September, was 1.36, down from the previous month's 1.38 ratio. The inventory/sales ratio for September 2016 was 1.40.