Volatility in Brazilian assets soared as traders rushed to assess the endgame of President Donald Trump’s threat to impose 50% tariffs on all goods from the South American nation. A measure of one-month swings for the real jumped to the highest since April as the currency went from the worst to the best in emerging markets in the span of an hour.

U.S. President Donald Trump on Thursday announced a 35% tariff rate for goods imported from Canada, starting August 1.

Trump has broadened his trade war in recent days, setting new tariffs on a number of countries, including allies Japan and South Korea, along with a 50% tariff on copper.

Trump mentioned Tuesday — almost in passing — that he planned to impose a 50% tariff on copper imports.

U.S. President Donald Trump announced on Wednesday a 50% tariff on copper, saying on social media that it would be effective August 1 and that the decision was made after a national security assessme...

Trump broadened a trade war that has cast a shadow over the global economic outlook when he said on Tuesday he would impose a 50% tariff on imported copper and soon introduce long-threatened levies o...