Trump the Tariff Man has struck, unsettling a ginned up Wall Street that had expected 2025 to be a year of strong economic growth and further big gains for hot AI trades such as darlings Nvidia (NVDA) and Microsoft (MSFT). The Trump administration levied tariffs of 25% on Canada and Mexico and 10% on China on Saturday, citing issues like fentanyl and illegal immigration. Duties on all three economic powerhouses will kick in on February 4. "WILL THERE BE SOME PAIN? YES, MAYBE (AND MAYBE NOT!). BUT WE WILL MAKE AMERICA GREAT AGAIN, AND IT WILL ALL BE WORTH THE…