Here's how Sen. Mike Rounds (R-SD) reacted Thursday morning when asked about the stock market's performance after President Trump's new tariffs. The Dow Jones Industrial Average plunged 1,581 points, or 3.8%, to 40,634, in morning trade as spooked investors tried to assess the impact of the latest round of tariffs that were announced Wednesday. #news #economy #money #tariffs #stocks #sd #trump #politics