The Journal.

The smart ring company Oura has grown quickly. Its wearable tech seems to be everywhere: in slick ad campaigns, on celebrities’ social media, and on the fingers of regular people hoping to improve their health. Yet when Oura tried to go public late last month, it couldn’t find enough buyers. So the company stalled its listing. WSJ’s David Wainer explains what this delay reveals about investors’ appetites. Imani Moise hosts. Further Listening: - The Great IPO Frenzy of 2026 - $25 Billion to Zero: Bill Ackman’s Bungled IPO Sign up for WSJ’s free What’s News newsletter. Learn more about your ad choices. Visit megaphone.fm/adchoices

Composer Ludwig Göransson has scored films like “Black Panther” and “Oppenheimer,” and his latest is Christopher Nolan’s “The Odyssey.” In My Monday Morning, a new Journal video series inspired by the longstanding column of the same name, Lane Florsheim sits down with Ludwig to talk about his Christmassy oatmeal, writing music with 40 bronze gongs during the LA fires and the bottom shelf where he keeps his Oscars. Photo: Austin Hargrave Learn more about your ad choices. Visit megaphone.fm/adchoices

For years Xbox was the console of choice for serious gamers. But after a failed bet that it could revolutionize gaming through its streaming platform GamePass, the brand has been languishing. Now, a new CEO is overseeing a major turnaround effort. WSJ’s Ben Fritz lays out the new strategy. Imani Moise hosts. Further Listening: Is the Hottest Investment Pokémon Cards? Microsoft’s CEO Has a Message: Don’t Let AI Eat the Economy Sign up for WSJ’s free What’s News newsletter. Learn more about your ad choices. Visit megaphone.fm/adchoices

U.S. aviation officials and industry insiders have long whispered about a deadly problem with air travel: rogue pilots with severe mental health issues intentionally crashing planes. WSJ’s Andrew Tangel reports on why this issue is a struggle for the airline industry, why pilots are afraid to ask for help and how engineers are trying to solve the problem. Ryan Knutson hosts. Further Listening: An Air Traffic Controller Speaks Out About Newark Airport The Life and Death of a Boeing Whistleblower Sign up for WSJ’s free What’s News newsletter. Learn more about your ad choices. Visit megaphone.fm/adchoices

The world’s biggest chemical industry is in China. For years, Chinese factories have also been a major producer of ingredients used to make fentanyl, the synthetic opioid that has contributed to thousands of deaths in the U.S. After a recent crackdown in China, WSJ’s Patricia Kowsmann reports that some of those same factories are now entering a new booming U.S. market: bootleg peptides. Imani Moise hosts. Further Listening: - Peptides Are Everywhere. Businesses Are Cashing In. - How Cocaine is Flooding in Europe Sign up for WSJ’s free What’s News newsletter. Learn more about your ad choices. Visit megaphone.fm/adchoices