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Planet Money - How Jane Street’s secret billion-dollar trade unraveled

On Wall Street, fortunes are often won and lost with the tiniest advantages. And for the past few years, one trading firm has stood out from the rest for both huge profits and careful secrecy — Jane Street Group.


But last year, one of Jane Street’s biggest and most lucrative trading strategies was unexpectedly revealed in a Manhattan courtroom. The news ricocheted around the world. It drew the attention of competitors and regulatory agencies, destabilized billions of dollars worth of trades, and called into question some of the most fundamental strategies in global finance. 

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This episode was produced by Eric Mennel, with production help from Sam Yellowhorse Kesler and Cooper Katz-McKim. It was edited by Jess Jiang. Fact-checking by Sierra Juarez. Planet Money’s executive producer is Alex Goldmark


Music in this episode:

Bob Bradley, “Cyber Crime”

Jason Bowld; Colin Doran, “Falling Apart 2”

Runman, “Dark Shop”

Martin Haene [SUISA], “Heavy Trip”

Adam Riches [PRS], Murray David Stockdale [PRS], Sammy Gordonski [PRS], “Monster”

Alex Arcoleo;Josh Oliver, “Day Dreamer”

Alex Arcoleo, “Best Part”


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Time To Say Goodbye - Kimmel, Free Speech, and the University as the New Church with Zena Hitz

Hello,

Today, we have back on one of our favorite guests, Zena Hitz, a philosopher who teaches at St. John’s College. We talk about Kimmel’s canceling and uncanceling, the history of free speech in a conformist country like America, and the university’s place as the crucible for all discourse refereeing. Is this a good thing or is the modern university uniquely unqualified to hold such importance?

Enjoy!



This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit goodbye.substack.com/subscribe
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WSJ Minute Briefing - One Dead, Two Injured in Shooting at Dallas ICE Field Office

Plus: Tether is in talks to raise $20 billion for a $500 billion valuation. And the U.S. is in talks to provide $20 billion in aid to Argentina. Zoe Kuhlkin hosts. 


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An artificial-intelligence tool assisted in the making of this episode by creating summaries that were based on Wall Street Journal reporting and reviewed and adapted by an editor.

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CoinDesk Podcast Network - USDT Issuer Tether Looking to Raise Up to $20B: Report | CoinDesk Daily

Tether is reportedly looking to raise up to $20B. Can they hit $500B valuation?

Tether is looking to raise between $15 billion and $20 billion for about a 3% stake in the company through a private placement, according to a report from Bloomberg. The raise would bring its valuation to around $500 billion, putting it in the same league as OpenAI and SpaceX. CoinDesk’s Jennifer Sanasie hosts “CoinDesk Daily.”

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This episode was hosted by Jennifer Sanasie. “CoinDesk Daily” is produced by Jennifer Sanasie and edited by Victor Chen.

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Focus on Africa - The two African countries which don’t recognise Palestine

UNGA: More than 150 member states recognise the State of Palestine-Cameroon and Eritrea will not.

South Africa's police discover illicit drugs worth $20 million on a farm.

Plus, we discover the nutritional benefits of eating dried fish.

Presenter: Charles Gitonga Producers: Patricia Whitehorne, Makuochi Okafor, Mark Wilberforce, Sunita Nahar and Nyasha Michelle in London. Senior Producer: Paul Bakibinga Technical Producer: Francesca Dunne Editors: Andre Lombard, Maryam Abdalla, Samuel Murunga and Alice Muthengi

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Marketplace All-in-One - The next USDA report on hunger in the U.S. will be the last

Every fall for about three decades, the U.S. Department of Agriculture comes out with a report assessing food security across the country. We'll get the latest in a month, but it will be the last. The USDA is terminating the annual report, saying it was “politicized.” Researchers, however, say it was vital. Also on the show: no sure thing on the future of interest rates and the costs for Chinese adoptees to search for their birth family.

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Newshour - Powerful cyclone batters Taiwan and southern China

Typhoon Ragasa has made landfall in southern China, where nearly two million people have been evacuated in preparation for its arrival.

It comes after authorities said at least 17 people had been killed and more missing in Taiwan after a lake burst on Tuesday, causing severe flooding in the island's east. We hear from a reporter in Taiwan

Also in the programme: Syria's interim president is due to address the UN General Assembly, making him the first Syrian head of state to do so in nearly 60 years; and for the first time, doctors have used gene therapy to significantly slow the progression of the deadly, degenerative disease Huntington's.

[Photo shows a drone view of buildings and fields submerged in flood waters in Guangfu, Hualien County, Taiwan on 24 September 2025. Credit: The Warthog Air Squadron/Reuters)