The onetime dynamo is fighting to revive a takeover by Nippon Steel. Other tie-ups could also face obstacles, and going it alone could force cutbacks.

Supporters of the sale of U.S. Steel to Japan’s Nippon Steel are still hopeful that Donald Trump could revive the nearly $15 billion dollar acquisition.

Donald Trump’s increasingly strident approach to relations with Canada is provoking fear about the potential consequences north of the border and questions about just how serious the U.S. president-elect actually is.

"President-elect Trump has proposed various tariff plans at various times on the import of foreign goods, including a 10% blanket tariff on all imports, a 60% tariff on Chinese goods and 25% tariffs on goods from Mexico and Canada," says Ben Johnston, chief operating officer of Kapitus, a financial services firm that focuses on small business.

Provincial premiers set to discuss their own proposed retaliatory tariffs at a meeting with Prime Minister Justin Trudeau next week, Ontario Premier Doug Ford says

Canada is looking at putting retaliatory tariffs on American orange juice, toilets and some steel products if U.S. President-elect Donald Trump follows through with his threat to impose 25% tariffs on all Canadian products,

Among the most senior officials in Ottawa, there is a document circulating that outlines specific details about how Canada could retaliate against Donald Trump’s tariff threat.

Biden is set to announce that he'll block the takeover of U.S. Steel by Japan's Nippon Steel, thereby fulfilling one of Trump's pre-election promises.

Canada is looking to target American steel, ceramics, plastics and orange juice with retaliatory tariffs in response to threats of hefty duties on Canadian imports by the incoming Trump administration.

A senior official says Canada is looking at putting retaliatory tariffs on American orange juice, sinks, toilets and some steel products if U.S. President-elect Donald Trump goes ahead with his threat to impose 25% on all Canadian products.