What's News in Markets: Tesla Turmoil, WK Kellogg Gains, MP Materials Soars

Why did the latest back-and-forth between President Trump and Elon Musk affect Tesla shares? And what food-industry deal news gave WK Kellogg a bump? Plus, why did a Pentagon investment lift shares of rare-earths miner MP Materials? Host Francesca Fontana discusses the biggest stock moves of the week and the news that drove them. Sign up for the WSJ's free Markets A.M. newsletter. Learn more about your ad choices. Visit megaphone.fm/adchoices