What’s News in Markets: Investor Jitters, Retail Rivalries, Nuclear AI

Which of the major home improvement stores came out on top this week? And why is Target investing $1 billion more in store upgrades? Plus, how did the Trump administration’s loan to Constellation Energy affect its stock this week? Host Telis Demos 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.