His comments quickly rattled the U.S. stock market, with the S&P 500 index down 2% in Monday afternoon trading.
Barring last-minute deals today, new US tariffs on Mexican, Canadian and Chinese imports are set to start around midnight.
President Trump has doubled tariffs on China to 20% and confirmed 25% duties on imports from Mexico and Canada, citing fentanyl trafficking and trade imbalances.
In a recent press conference, former President Trump discussed key topics including the impact of tariffs on job outsourcing, ...