What’s News in Markets: AI’s Price Tag, Elon Musk’s Reality Check, a Fast Track to Trump Posts

How much AI spending is too much? And why are some Tesla and SpaceX investors losing patience with Elon Musk? Plus, why are Wall Street firms paying up to $100,000 for a fast track to Trump posts? Host Imani Moise 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. Hosted by Simpleca…