Latest Articles
What to Do When a Stock Drops 25%
Stock XYZ has declined 25%. What do you think? Is your thesis broken? What you observe in stock price volatility is mostly noise. A good chunk of buyers and sellers don’t know much about what they are trading other than the ticker.
Videos

Why the S&P 500 May Return Zero for a Decade
Vitaliy Katsenelson answers questions from a packed room at the Intellectual Investor Breakfast 2026 in Omaha, the morning of Berkshire Hathaway’s annual meeting.

We Invest Micro but Worry Macro | CFA Society UK
In this CFA Society UK Q&A, I talk about how value investing has evolved, why many investors think it is dead, and why that conclusion usually comes from misunderstanding what value investing actually is.

The Dichotomy of Control
The Dichotomy of Control sounds extremely simple, but it’s incredibly powerful and it’s very difficult to actually execute it in daily life. And it’s basically says this.
Popular Articles
The Stock Market, The Economy, Possible Outcomes, How to Invest
This is part one of the winter seasonal letter I wrote to IMA clients, sharing my thoughts about the economy and the market. I tried something I’ve never done before. Instead of conveying my message through storytelling, I tried to compress my thoughts into short sentences…
Investing

What to Do When a Stock Drops 25%
Stock XYZ has declined 25%. What do you think? Is your thesis broken? What you observe in stock price volatility is mostly noise. A good chunk of buyers and sellers don’t know much about what they are trading other than the ticker.

Greg Abel Takes Over Berkshire Hathaway: My Thoughts After Omaha 2026
Last year I came out of the BRK annual meeting thinking that Greg Abel was not the right person to run Berkshire Hathaway. Abel lacked Buffett’s charisma, warmth, and humor. Greg Abel was not Buffett, and he definitely was not Munger. I was wrong.
Life & Philosophy

Q&A: The Antifragile Investor: Balancing Geopolitics, Identity, and the Cost of Growth
There is an unspoken conflict between Americans and Europeans. Europeans accuse Americans of being stuck in the rat race. Americans look at Europeans, see them sipping their espressos for two hours a day and reading newspapers, and call them lazy.

10 Life Lessons I Passed On to My Daughter on Her Bat Mitzvah
On January 11, 2026, my younger daughter, Mia Sarah, celebrated becoming an adult, at least according to Jewish tradition (she turned 12). This is what I told her
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