@cbsnews: Stocks closed slightly down on Tuesday after Monday's massive drops. The Dow was down more than 1% at the end of a day filled with fluctuations, including several sudden changes in the U.S.-Canada trade war. When it comes to the stock market, "we are in a worse position than yesterday, but not that much worse," CBS News' Kelly O'Grady says. Here's what made for a whiplash day on Wall Street — and why you should expect more turmoil in the coming days. #stocks #tariffs #economy #trump #us #canada