Wall Street was caught off guard: No one believed that Donald Trump would actually impose 25% tariffs on Canada and Mexico at the start of February. Not even the Wall Street Journal, which explained that negotiations were continuing – they were – and that this was the "dumbest trade war in history." This analysis was shared by most observers, considering it suicidal to disrupt the auto industry, so integrated in North America, and humiliate the two neighbors. Nonetheless, even if the duties have been temporarily suspended, the saga fundamentally changes the understanding of what Trump's economic term will be like, made up of chaos and the president's persistent obsessions.

Jim Cramer, the guru of small investors on CNBC, warned those who think Trump won't keep his promises: "People on Wall Street, they better start taking the president of the United States more seriously, or else you're going to keep losing money. You don't have to like him, but I'm begging you, listen to his words," said Cramer, adding, "You got to recognize that Congress won't stop him, and aside from some explicitly unconstitutional executive orders, the courts won't stop him, either."

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