What’s News in Markets: Tariff Worries, Amazon’s AI Bet, Mattel Climbs

Which companies dropped on concerns about tariffs? And why did Amazon’s forecast worry investors? Plus, what drove gains in Barbie maker Mattel’s shares? 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