Monday marked one of the worst days for the stock markets in 2025. A significant sell-off left all three major indices down. Wall Street is now grappling with President Trump's trade actions against allies and adversaries, as NBC's Garrett Haake reports. MORE: https://www.wthr.com/article/news/nation-world/trump-doubles-planned-tariffs-canadian-steel-aluminum-trade-war-intensifies/507-d97c9491-33fd-4e5b-9895-d42797f56446