Rule Breaker Investing

The Motley Fool•www.fool.com

David Gardner, co-founder of The Motley Fool, is among the most respected and trusted sources on investing. As a best-selling author, hugely successful stock picker, and financial authority, David has led The Motley Fool’s growth into a worldwide investment and financial advisory services company. Each week David shares his insights into today's most innovative and disruptive publicly traded companies -- and how to profit from them by following his signature “Rule Breaker Investing” principles. Pre-order David's new book, Rule Breaker Investing, to dive deeper into these game-changing principles: https://lnk.to/rulebreakerinvesting

Last refreshed: June 27th, 2026 at 12:37 PM

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Episodes

June 2026 Mailbag: “Do You Know Its Market Cap?”

This month’s Mailbag ranges from Washington, D.C. to Germany, from the SEC to the moon, and from individual stock ownership to the deeper question of what freedom is actually for. Along the way, fellow Fools write in about transparency, curiosity, market caps, parenting, AI, adding to winning investments, and what can happen when decades of patient investing quietly compound into opportunities to help others. As always, the best part of the Mailbag is you. Host: David Gardner Producer: Bart Shan...

Jun 24, 2026•44 min

Market Cap Game Show: The King-Sharon Rule Debuts

The Market Cap Game Show returns for its 42nd installment, with longtime Motley Fool personalities Charly Travers and Jason Moser battling for a coveted spot in next March’s Market Cap Madness Final Four. But this episode marks something new. For the first time, players can invoke the King-Sharon Rule, adding an extra layer of strategy, risk, and reward to the game. Agree or disagree is no longer the only choice. Feeling confident? Call “higher” or “lower” and put an extra half-point on the line...

Jun 17, 2026•1 hr 6 min

Stock Stories, Vol. 12: Time Travel Investing

For the twelfth time, we gather around the campfire for one of RBI’s favorite traditions: Stock Stories. Five Fools. Five investing lessons. This summer’s tales share a surprising common thread: A biotech shell company that refused to die. An old gift of IBM stock quietly compounding for decades. A Fool who finally bought Alphabet nearly twenty years after he first meant to. A company called Life360 proving that “obvious” doesn’t mean “fully valued.” And a producer awakening to stock-market inve...

Jun 10, 2026•48 min

I Fought The Law (And The Law Won), Vol. 3

Why do some organizations seem unable to solve the very problems they were created to fix? Why do seemingly rational people end up chasing the wrong goals? And why does one innocent purchase so often lead to five more? In this new volume of RBI’s recurring cerebral series, David explores a handful of memorable laws and principles that help explain how people, businesses, markets, and institutions actually behave… from the sublime to the silly. Some are famous. One is his own. All are useful. Hos...

Jun 03, 2026•37 min

May 2026 Mailbag: Divvy-Pops, Jellybeans & the Kids of Kopachuk

What happens when Nvidia’s annual dividend suddenly exceeds David’s original Motley Fool cost basis—six times over? This month’s Mailbag brings back a Foolish old term, “divvy-pop,” while also revisiting the power of doing less, holding more, and letting great companies keep surprising you. Also inside: a Buffett-meets-Rule-Breaker reflection from British Columbia, a jellybean contest gone mathematically sideways, a GameStop question that runs straight into the Snap Test, and a closing shout-out...

May 27, 2026•49 min

60 Thoughts As I Turn 60

To mark his 60th birthday, David delivers what may be the most distilled episode in Rule Breaker Investing history: 20 thoughts about investing, 20 about business, and 20 about life—gathered from decades of entrepreneurship, stock-picking, reading, losing, winning, and trying to stay Foolish along the way. From the “Ship of Fools” and the spiffy-pop, to optionality, fads that weren’t fads, the hardest thing in life, divergence and convergence, and why the longer Frank Lloyd Wright lived, the mor...

May 20, 2026•1 hr 1 min

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