Some economists are detecting signs in data that trade tensions are having an impact on American companies.

To understand what a trade war means for America, go to the Mississippi. Follow the mud-brown river past Louisiana’s chemical plants, oil refineries, granaries, ports, and the rail networks and highways that spring from its fingers.

Auto manufacturers and suppliers based outside the United States condemned the Trump administration’s investigation into imports of cars and parts by portraying as absurd the idea that their products pose national security risks.

Treasury Secretary Steven Mnuchin is signaling his displeasure with President Donald Trump’s trade war with China by saying nothing at all.

Over the past three decades, the global auto industry has gotten, well, more global. Manufacturers built scores of factories outside their home countries to reduce exposure to currency swings, take advantage of cheaper labor and manufacture cars closer to buyers.

After fighting unsuccessfully for years in court and at the ballot box to prevent construction of the Gordie Howe International Bridge, the owners of the Ambassador Bridge are turning to President Donald Trump for help.

New tariffs on imports from China may leave American companies with a choice — pay a higher freight bill now or pay the tariffs starting soon.

Trade tensions between the world’s biggest economies intensified, with China vowing to retaliate “forcefully” against President Donald Trump’s threatened tariffs on an additional $200 billion in Chinese imports.

President Donald Trump is betting Beijing will blink first in the showdown over tariffs. Such an outcome is far from assured — and it also could take a while.

WASHINGTON — The Trump administration, rekindling its simmering trade war with China, issued a list of $50 billion of Chinese imports June 15 that would be subject to hefty tariffs.