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Wall Street gave up gains Friday after President Donald Trump hit Canada with a fresh 35% tariff and promised more across the board. This came just a day after the S&P 500 set a brand new all-time high.

The majority of the new tariffs announced closely reflect the rates proposed in April; Laos and Burma are set to face the highest levy at 40%. Meanwhile, goods from Cambodia and Thailand will face slightly lower rates of 36%. Additionally, Brunei, Japan, Kazakhstan, Malaysia, Moldova, South Korea and Tunisia will see a 25% tariff hike.

Trump insiders maintain that it would make little sense — politically or from a policy standpoint — for the president to offer any further extensions on trade.

The Wall Street Journal thinks one Donald Trump move may have just put “his presidency at risk.”