Why Carson Block Says AI and Passive Investing Could Break the Stock Market

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In this week's episode of WSJ’s Take On the Week, host Miriam Gottfried and guest host Peter Rudegeair are joined by prominent short seller Carson Block, CEO of Muddy Waters Capital, who explains how AI is poised to fundamentally reshape society, the economy and global markets. With hyperscalers like Google, Microsoft and Meta Platforms continuing to dominate major indices and the Federal Reserve maintaining a wait-and-see position, are we finally entering a short sellers’ market? Block breaks down what he sees as the inherent fragility of a market dominated by passive investing and argues that AI-driven job displacement could trigger a historic market correction. After the break, the conversation turns to the world of private credit, where Block sees practices that he finds troubling. He also weighs in on the SEC’s proposal to eliminate quarterly reporting requirements and whether such a move would hinder or help the work of short sellers. Finally, we look at Block’s rare long position in Snowline Gold, a junior gold mining company. Is this legendary market bear finally embracing his inner bull? This is WSJ’s Take On the Week where co-hosts Telis Demos, Heard on the Street’s banking and money columnist, and Miriam Gottfried, WSJ’s investing and wealth management reporter, cut through the noise and dive into markets, the economy and finance—the big trades, key players and business news ahead. Have an idea for a future guest or episode? How can we better help you take on the week? We’d love to hear from you. Email the show at takeontheweek@wsj.com. To watch the video version of this episode, visit our WSJ Podcasts YouTube channel or the video page of WSJ.com Further Reading What to Do About the Stock Market’s Concentration What You Should Do About the Stock Market's Giant Problem Auto-Parts Supplier First Brands Files for Bankruptcy Jim Chanos, Short Seller Who Took On Enron and Tesla, to Close Hedge Funds Wall Street’s Pre-Eminent Short Seller Is Calling It Quits Black Swan Manager Sees Huge Rally, Then 1929-Styl