Exports from the Port of Los Angeles, the busiest U.S. gateway for ocean trade, fell 8% in January to the lowest monthly output in nearly three years, Executive Director Gene Seroka said on Tuesday. "Exports to China look dismal," Seroka said after the Port of Los Angeles handled 104,297 20-foot equivalent units (TEUs) of loaded export containers in January. President Trump's aggressive use of tariffs has upended global trade and retaliatory trade duties from China and other nations have hit U.S. exporters like farmers particularly hard.