WASHINGTON—The U.S. trade deficit in goods surged in September as exports tumbled, suggesting trade probably weighed on economic growth again in the third quarter. The goods trade deficit increased 9.2 percent to $96.3 billion, the Commerce Department said on Wednesday. Goods exports dropped 4.7 percent, while imports gained 0.5 percent. The report, which was published ahead of Thursday’s advance third-quarter gross domestic product data, also showed wholesale inventories increased 1.1 percent last month. Retail inventories fell 0.2 percent, pulled down by a 2.4 percent plunge in stocks at auto dealerships, which reflected a global chip shortage which is undercutting motor vehicle production. Retail inventories, excluding autos, which go into the calculation of GDP, rose 0.6 percent. According to a Reuters survey of economists, the economy likely grew at a 2.7 percent annualized rate in the third quarter. That would be a step-down from the 6.7 percent rate notched in the …