Conservative Leader Pierre Poilievre says that he would implement matching tariffs on American steel and aluminum if he was prime minister.

Follow along for live updates on stocks and other markets, including the Dow Jones Industrial Average, S&P 500 and Nasdaq Composite.

Markets were flat last week as earnings season continued. AI investments faced scrutiny, while trade tensions rose with new ...

President Donald Trump signed off Monday on expanding the tariffs he placed on steel and aluminum imports during his first term in office.

The Standard & Poor’s 500 climbed 0.7%, coming off a losing week that was bookended by worries about how potential tariffs ...

Machining composites is a dusty, arduous and abrasive process that is hard on cutting tools, requiring the right combination ...

Canada’s main stock index was up more than 200 points in late-morning trading, helped by strength in the energy, base metal and technology sectors, while U.S. stock markets also climbed.

As U.S. President Donald Trump reaffirms his desire to make Canada the 51st state, NDP Leader Jagmeet Singh is singling out Tesla CEO Elon Musk – who is a member of Trump’s administration – and ...

Investors are weighing Trump's pledge on Sunday to introduce additional 25% tariffs on steel and aluminum from all countries.

The S&P/TSX composite index closed up 215.95 points at 25,658.86. In New York, the Dow Jones industrial average was up 167.01 points at 44,470.41. The S&P 500 index was up 40.45 points at 6,066.44, ...

Wall Street is taking President Donald Trump’s latest threat on tariffs in stride, on the whole, and U.S. stocks are opening ...

President Donald Trump said he’ll announce Monday that the United States will impose 25% tariffs on all steel and aluminum ...