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US wholesale inventories jump in March amid surge in petroleum stocks

By Thomson Reuters May 8, 2026 | 9:41 AM

WASHINGTON, May 8 (Reuters) – U.S. wholesale inventories posted solid gains in March as petroleum stocks surged, ​suggesting companies may have ‌front-loaded supplies in response to the war with Iran.

Stocks at wholesalers increased 1.3% after advancing 0.9% in February, the Commerce ‌Department’s ​Census Bureau said on ⁠Friday. Petroleum stocks ⁠soared 33.9% after rising only 5.5% in February. The U.S.-Israel war with Iran has disrupted shipments of ​oil and other commodities, driving up prices.

Inventories, a key part ⁠of gross domestic ⁠product, increased 2.9% on a ​year-over-year basis in March.

The government estimated ​last week that business inventories added ‌0.40 percentage point to the 2.0% annualized rate of increase in the GDP in the first quarter. ⁠The economy grew at a 0.5% pace in the October-December quarter.

Sales at wholesalers ⁠surged 2.8% ‌in March after increasing 2.6% ⁠in February. At March’s ​sales ‌pace it would take 1.21 ​months to ⁠clear shelves, down from 1.23 months in February. The inventories/sales ratio was at 1.30 months in March 2025.

(Reporting by Lucia Mutikani; Editing by ​Chizu Nomiyama)