WASHINGTON — U.S. factories grew at a slower pace in September as manufacturers continued to cope with supply disruptions stemming from trade disputes with China, Europe, Mexico and Canada.

Commerce Secretary Wilbur Ross made a trade betting that the stock in a shipping company with Russian-government ties would fall, a transaction coming just days after he learned of a possible negative news story about his investment in the company.

Massive flooding caused by Tropical Storm Harvey along Texas’ refinery-rich coast could have long-standing and far-reaching consequences for the state’s oil and gas industry and the larger U.S. economy.