Canada's biggest trucking company says trade war is hammering truckers

Open this photo in gallery: Trucks line up to enter a shipping berth at the Port of Oakland on April 18, in Oakland, Calif.. The commercial transportation industry is struggling amid economic uncertainty as the fallout from U.S. President Donald Trump’s sweeping tariffs continues.Justin Sullivan/Getty Images TFI International Inc. TFII-T, Canada's biggest trucking company, says America's trade war is hammering some of its freight volumes and fuelling uncertainty to the point where it had to walk away from a major takeover opportunity. The tariffs U.S. President Donald Trump has imposed on imports from dozens of countries and the fog about…