关税突发！美国总统签署行政令，11月1日起征收！

Group 1: Tariff on Trucks - The U.S. government has imposed a 25% tariff on imported medium and heavy trucks and parts, effective from November 1 [1] - A 10% tariff will also be applied to imported passenger buses [1] - The U.S. Chamber of Commerce has opposed these tariffs, highlighting that the top five sources of heavy truck imports are allied countries [1] Group 2: Economic Activity Report - The Federal Reserve's economic survey indicates mixed economic activity across regions, with some reporting slight growth and others showing a slowdown [2] - Consumer spending, particularly in retail, has seen a slight decline, and demand for leisure and hotel services from international travelers has decreased [2] - Manufacturing activity is challenged by increased tariffs and weak overall demand, with agricultural, energy, and transportation sectors experiencing declines [2]