What’s News in Markets: AI Jitters, Robinhood’s Slide and the Rotation Trade

What do software companies, wealth-management firms and the trucking business all have in common? And why are blue-chip stocks like Walmart outperforming the market? Plus, how did a former karaoke company sink transportation stocks? Host Hannah Erin Lang 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.