President Trump delayed tariffs on Mexico and Canada, but imposed 10% levies on China, prompting Beijing to retaliate. Follow along for live updates on stocks and markets, including the Dow Jones Industrial Average,

China on Tuesday imposed tariffs on some U.S. imports in a swift response to new U.S. duties on Chinese goods, raising the stakes in a showdown between the world's top two economies even as President Donald Trump offered reprieves to Mexico and Canada.

Last-minute phone calls pull the North American neighbours back from the brink of a trade war, but the US is still targeting Chinese imports.