
What If the Mag 7 Concentration Problem Is About to Get Worse?
How private unicorns, decacorns and AI giants could reshape public markets
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How private unicorns, decacorns and AI giants could reshape public markets


Breaking Down the Data on the Top Money-Making Newsletters

“Unveiling the Remarkable Outperformance of this Long-Short Strategy”

Everything you need to know for the optimum Omaha Visit






Where values matter, fees are huge and some of the holdings may surprise you

Reflections on a year interviewing the world’s best investors and analysts


This auto IPO (not Carvana) has been a disaster. Luckily, their accounts told you it was coming

A case study in finding out what really drives a company’s share price

“The outperformance of this long-short strategy is surprisingly high”

“We have a number in the accounts that doesn’t reflect economic reality”

Compounders have ruled since 2010. Are they worth paying up for?


How a stock market legend is tackling the biggest investing theme of our lifetime.

It shocks me that investors don’t pay more attention to this…

These five factors will define the next era of investing. Here’s what you can do today to prepare.

Qatar’s Airbus A350s have a problem with flaking paint.




Plus, the real secret to becoming a better investor

“Or why I prefer my finance chiefs to be old, grey-haired and conservative”



How to be seen as one of the best analysts in your field






How to read management’s mind and get “inside info” without breaking the law


The Hut Group stock has collapsed. There were some signals of the risks. We think the accounting is aggessive.

Chinese tech stocks have been hit by recent Government action. We examine whether the derating is justified and what might come next.

Tracking estimate revisions is an essential element of the research process. This article explains how to monitor them and some of the nuances which can can sometimes give a false impression.

What’s the right number of stocks and the right level of concentration for an equity portfolio? Spoiler…it’s difficult.

A recap of what we learned about Greensill and some new info – not one of the top 10 exposures appears to have been at arms’ length.

A look at Ferrari’s valuation and its longer term investment prospects.

BACKGROUND The intention behind IFRS 16, which brings notional lease liabilities on to the balance

We revisit Greensill and re-examine the clues ahead of its demise and look at some broader implications as well as some other stocks tied up.

INTRODUCTION We published a blog on Amazon around a year ago where we explored the

In this blog, we further examine how Netflix accounts for its spend on content and conclude that it’s neither conservative nor consistent with its accounting policies.

INTRODUCTION Stock based compensation (SBC) presents a problem for investment analysts in a number of

FIve rules for picking winning stocks, taken from our How to Pick Winning Stocks course

This month’s blog is a little different — it’s co-written with my friend Marc Rubinstein.

BACKGROUND Twenty odd years ago, I was a significant junior partner in a UK clone

Thoughts on issues we may have to think about when investing post crisis.

INTRODUCTION Amazon is an unusual company in many respects, but one of its key differentiating

We suggest four simple changes which would improve audit quality significantly

We were upset to hear of the demise of Patisserie Valerie and our sympathies to all those affected. I presented at Mello London in December, 2018 about the stock and I was shocked that so many smart retail investors had lost money. This video may help you avoid such traps in future.

An IPO of Saudi Aramco in late 2018 at a valuation of $2 trillion (tn) has been widely trailed in the Press. We believe the Aramco IPO is unlikely to happen in 2018, if at all, for three main reasons: timing, the oil price, and valuation.

Value investment blogs have been complaining that the CAPE on the S&P 500 is outrageously high. Last I checked the median EV:sales was now above 3x. But I am not convinced by some of the commentary on the extreme valuation of the CAPE, here’s why.
The October cohort is open · LIVE ON ZOOM · We start on Monday, Oct 12