Mexico’s peso and Canada’s dollar fell sharply in the early hours of Tuesday morning on the back of a social media post from president-elect Donald Trump outlining plans to impose 25% tariffs on all products imported from the two countries with which the U.S. shares a land border.

Investors are assessing the likelihood Trump will deliver on his threat to impose fresh tariffs on China, Canada and Mexico.

U.S. stocks are hanging near their records on Tuesday as Wall Street takes Donald Trump’s latest talk about tariffs in stride.

Stocks are shrugging off a new Trump tariff threat as the President-elect vows sweeping levies on the biggest U.S. trading partners.

U.S. stocks are rising near records Monday and adding to last week’s gains. The S&P 500 was 0.2% higher, as of 1:54 p.m. Eastern time, and sitting a bit below its all-time high set two weeks ago. The Dow Jones Industrial Average added 395 points,