What to know as President Donald Trump imposes steep new tariffs on imports from Canada, Mexico and China, prompting ...

Stocks in the US dropped Monday morning, following European and Asian markets lower as investors digested Trump's tariff ...

Paul Krugman and Larry Summers are among the economists warning that Trump's tariffs may drive up prices, trigger job losses ...

President Donald Trump said he spoke with Canadian Prime Minister Justin Trudeau Monday morning as fallout continues from ...

Ahead of tariffs starting Tuesday, President Donald Trump posted on social media that he spoke Monday morning with Canadian ...

Quantum-computing stocks are lower, and although they’re small and not making much money, an escalating trade war could ...

Stock indexes in the United States fell, and shares in Asian manufacturers and European carmakers tumbled on concern that ...

Trump's wide-ranging tariffs on Mexico, Canada and China divided lawmakers and world leaders over the weekend. President ...

US president says two ‘national emergency’ issues will be solved by sweeping tariffs inflicted on America’s three largest ...

Ontario, Canada has banned US firms from government contracts, affecting a $100-million deal with Elon Musk's Starlink.

NEW YORK -- U.S. markets tumbled on Monday while the dollar strengthened, pushing Asian currencies down, after President ...

NBC News' Brain Cheung and Gabe Gutierrez report on the impacts and reaction to President Trump's tariffs on Canada, Mexico and China and the president's talks with other nation's leaders.