The Market Structure Map
July 23, 2025
Stage 16 of the Tour de France yesterday raced up Provence’s forbidding Mont Ventoux, and nobody displaced the wearer of the Maillot Jaune, the yellow jersey, Tadej Pogacar (po-GOT-cher), the Scottie Scheffler of cycling. I rode Mont Ventoux in 2013, a long leg-burner from the...
July 16, 2025
Does the book by Amos Tversky and Daniel Kahneman, “Thinking, Fast and Slow,” highlight the fundamental flaw in AI? The definition of heuristic (a key Tversky Kahneman topic) is, paraphrasing, pragmatic problem-solving, subject to vagary and error. One could say that eliminating vagary and error...
July 9, 2025
Jane Street, a top 25 holder of US equities in 13Fs and one of the biggest global proprietary traders, has been banned for now from the Indian stock market by the regulatory equivalent there of the SEC. Why should you care, investors and public companies?...
July 1, 2025
Karen’s laptop computer died last Thursday, June 26. We needed a replacement pronto. We bought it online from our usual source, a big maker that’s a ModernIR customer so we’ll maintain confidentiality. We paid for expedited delivery, which said it would arrive Saturday the 28th. ...
June 25, 2025
There’s an air of inevitability in the stock market. We have wars and rumors of wars and stocks rise, and then a ceasefire and stocks skyrocket. It’s nice in the sense that a relentlessly yeasty market creates wealth. Moviemaker Stanley Kubrick recrafted Peter George’s 1958...
June 18, 2025
I wanted to call the blog “Frenzied Pursuit” because I thought it was not only a great name for a rock band but an excellent title. Alas, Greg Zuckerman at the Wall Street Journal had already used it. I’ve long recommended Greg’s book “The Man...