Mary Barra said at the Wall Street Journal’s Future of Everything conference in New York City she learned lessons from previous talks with Trump.

The twists and turns in U.S. President Donald Trump's tariff policies have not only rattled global financial markets but have also taken investors on a roller-coaster ride. Companies are counting the cost of the trade war that is now being estimated at more than $34 billion in lost sales and higher expenses,

China responded to President Trump on Monday, accusing the US of violating their trade agreement and vowing to protect its interests. “If the US insists on its own way and continues to damage China’s interests,

The president is set to raise tariffs on steel and aluminum this week, even as the courts are challenging the legitimacy of other levies.

President Trump would invoke other tariff authorities if his appeal of a trade court's ruling isn't successful, Commerce Secretary Lutnick said.

The exemption expired over the weekend, but the Trump administration gives GPU makers another reprieve as it weighs a larger package of semiconductor tariffs.

By Tom Käckenhoff and Christoph Steitz DUESSELDORF/FRANKFURT (Reuters) -Salzgitter, Germany's second-biggest steelmaker, warned on Monday that Washington's tariff policy was dealing a severe blow to European industry,

And that means President Donald Trump’s tariffs are top-of-mind. A $6,400 piece of odor control equipment was in transit from Canada when tariffs went into place, and the wastewater district paid a $1,550 tariff on it, Luers said.