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 Learn more about your ad choices. Visit megaphone.fm/adchoices