Welcome to Yahoo Finance's flagship show, The Morning Brief. I'm Julie Hyman. Let's get to the three things you need to know today.First up, President Trump taking the market on a roller coaster ride as he softens his tone on China. Trump posting over the weekend that all will be fine when it comes to trade relations with China. And this comes after Trump threatened an additional 100% tariff late Friday.Some of the winners so far in the early action, chip stocks and shares of rare earth mineral companies. W ...