Vitaliy Katsenelson

An Investor’s Guide to Better Writing — Seriously

An Investor’s Investor’s Guide — Seriously

I never thought I’d be giving writing advice. I was always the worst student in my literature class in Russia.

The Apple Brand

The Apple Brand

Apple’s research and development expense was up 27% last quarter. Annualized, it is running at $5.7 billion.

Warren Buffett, Coca-Cola and the Not-So-American Dream

Warren Buffett, Coca-Cola and the Not-So-American Dream

I am going to Omaha for the Berkshire Hathaway annual meeting. But this is the first time that I find myself respecting Mr. Buffett a little bit less than the year before.

Behind the Ugly Red Door: Finding Value in an Overpriced Market

Behind the Ugly Red Door: Finding Value in an Overpriced Market

The difference in valuation between the cheapest stocks and the rest of the market is the smallest in more than 20 years, the market is overpriced.

Will Russia Go to War Over Ukraine? Don’t Bet on It

Will Russia Go to War Over Ukraine? Don’t Bet on It

It is hard for me to see a full-blown war between Russia and Ukraine. There are so few cultural differences between these two countries.

Warsaw Concerto

Warsaw Concerto

Today I wanted to share with you the Warsaw Concerto, a piano concerto in one movement written by British composer Richard Addinsell for the 1941 film Dangerous Moonlight.

Homophobic Arbitrage

Homophobic Arbitrage

A few years ago I went to a conference in South Beach. I had never stayed in a gay hotel before. I was not quite sure what the expectations were of guests.

How I Bought the Internet — and You Can Too

How I Bought the Internet — and You Can Too

A few months ago my firm bought the Internet. Let me explain: When people think about the Internet, they imagine an enormous network of millions of servers.

Musical Note: Tchaikovsky Symphony No. 4

Tchaikovsky Symphony No. 6

A good friend asked me if I thought Tchaikovsky was overrated or underappreciated. A few years ago I probably would have said overrated; now I say both.

My Russian Book

My Russian Book

I really wanted my book to be published in Russian. There were a few reasons, but the most important one was that I wanted my father to read it.

Additional Thoughts on The Fed Model and Profit Margins

Additional Thoughts on The Fed Model and Profit Margins

The Fed Model is extremely important, because I vividly remember how low interest rates and the Fed Model were used as propaganda tool.

The Not-So-Big Picture on Financial Models

The Not-So-Big Picture on Financial Models

Rarely do I disagree with fellow investor and financial blogger Barry Ritholtz, but the time has finally come. Last week Barry wrote a column for Bloomberg View.

Practitioners, Prognosticators and Portfolio Pain

Practitioners, Prognosticators and Portfolio Pain

I spend a lot of time looking for new stocks, either by screen or by reading or talking to other value investors. We are all having a hard time finding many stocks of interest.

A Few Simple Rules For Money Managers

A Few Simple Rules For Money Managers

As a parent the hardest thing to do is not to be a hypocrite. You tell your kids to do one thing – the right thing – but you don’t stick to your own advice.

Mahler - Symphony No. 5

Mahler – Symphony No. 5

Today I want to point you to a piece by the Austrian Jewish composer Gustav Mahler, whose music I learned to love only recently.

Qualcomm’s Competitive Advantages Are Too Numerous to Ignore

Qualcomm’s Competitive Advantages Are Too Numerous to Ignore

When we stumbled on Qualcomm, we could not believe what we saw. The San Diego–based chipmaker should double its earnings over the next four years.

Nelson Mandela

Nelson Mandela

Nelson Mandela’s passing last week made me want to share some thoughts about him. I visited South Africa twice over the last five years.

Electronic Arts – Revenge of the Nerd

The Blessing of a Declining Stock Price

After I told my father what I am about to tell you, he called me a charlatan.

Wagner's Lohengrin

Wagner’s Lohengrin

I’ve been conflicted about listening to Wagner’s music for a long time. He was a raging anti-Semite and a horrible human being.

What I Learned from the J.C. Penney Fiasco

What I Learned from the J.C. Penney Fiasco

In this article I would like to put salt in the open wound and talk about what I learned from the J.C. Penney fiasco.

Interview with The Disciplined Investor Podcast

Interview with The Disciplined Investor Podcast

I was a guest on Andrew Horowitz's the Disciplined Investor podcast.