What’s News in Markets: AI Price Tag, New Oil Rules, Short-Squeeze Payback

Big tech is finally cashing in on AI, but who is making the biggest profits? And what does a weakened OPEC mean for oil markets? Plus, how is Avis getting an investor to hand back gains after a short squeeze? 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.