Business
Walmart shares slip on earnings. The Trade Desk surges on record revenue. Roku rises on an unexpected profit. Fastly falls on growth concerns. Shopify slips. CVS Health treads water. Berkshire-Hathaway makes some big investments. And Marriott suffers a big loss with the death of its CEO, Arne Sorenson. Motley Fool analysts Ron Gross and Jason Moser discuss those stories and weigh in on autonomous driving, big tech break-ups, and the streaming wars. Plus, Ron and Jason share two stocks on their radar: Bluebird Bio and RadNet.