President Donald Trump says he plans to impose tariffs on Canada and Mexico starting Tuesday, in addition to doubling the 10% universal tariff charged on imports from China. Posting on Truth Social on Thursday,

Many analysts say the impact of the uncertainty surrounding their imposition has already taken a toll on the markets and the economy.

The president also said he would impose an additional 10 percent tariff on China as he tries to force other countries to take more action on drug shipments.