President-elect Donald Trump has already begun to captivate financial markets with his unorthodox negotiating style, as evidenced by the reaction to his Tuesday night threat to impose 25% tariffs on Mexico and Canada and a surcharge tariff of 10% on China.

After President-elect Donald Trump said he would enact steep tariffs on Mexico, Canada and China, those nations urged talks instead of damaging trade relationships. Meanwhile, economists fear tariffs could stoke inflation for U.