Stocks were mixed in early trading on Monday after President Donald Trump over the weekend issued 30% tariffs on the European Union and Mexico, rekindling tensions with two of the largest U.S. trade partners and threatening to raise consumer prices.

Mexican President Claudia Sheinbaum said on Wednesday that she had spoken with Canadian Prime Minister Mark Carney and that the two had agreed to strengthen trade collaboration, particularly in light of the tariffs from U.

President Donald Trump has announced he’s levying tariffs of 30% against the European Union and Mexico starting Aug. 1.