Stock Market Today: Trump Tariffs have become a grim reality for the markets, geopolitics and economies globally”US President Donald Trump announced a 25 per cent tariff on imports from Canada and Mexico and a 10 per cent tariff on Chinese goods. Stock Market Today: Trump Tariffs have become a grim reality for the markets, geopolitics and economies globally”US President Donald Trump announced a 25 per cent tariff on imports from Canada and Mexico and a 10 per cent tariff on Chinese goods. Zee News :Business