Learn the why. Not just the what.
Investing fundamentals, market logic, and the discipline behind good decisions.
Enron: When the Accounts Are the Product
Enron's collapse showed that reported earnings are an interpretation rather than a fact, and that an investor who cannot understand how a company makes money has no basis for owning it.
The 2008 Financial Crisis: When Everything Correlates
The 2008 crisis demonstrated that diversification calculated from historical data can vanish precisely when it is needed, because the conditions that cause a crisis are the conditions that make everything move together.
Lehman Brothers: What Leverage Means in Practice
Lehman's failure demonstrates that a highly leveraged institution can be destroyed by a modest decline in asset values, and that a business dependent on short-term funding can fail while still nominally solvent.
The Flash Crash of 2010: A Market That Briefly Ceased to Exist
The Flash Crash showed that prices are not a fact but a consequence of someone being willing to transact, and that this willingness can withdraw almost instantaneously.
The European Debt Crisis: When Words Move Markets
The European sovereign debt crisis demonstrated how expectations become self-fulfilling, and how a credible commitment can alter outcomes without any action being taken.
Wirecard: When the Watchdogs Chase the Critics
Wirecard's collapse showed that institutional endorsement is not evidence, and that scepticism was punished by the very authorities charged with protecting investors.
Archegos: How a Single Portfolio Cost Banks Ten Billion Dollars
Archegos combined extreme concentration, heavy leverage, and exposures invisible to each lender individually, demonstrating how quickly such a structure unravels.
The COVID Crash: The Fastest Fall and the Fastest Recovery
The 2020 crash and recovery demonstrated that the shape of a decline carries no information about its duration, and that acting on a correct forecast about the world can still produce a poor result.
1974: The Long Returns Available at the Moment of Greatest Despair
The 1973-74 decline produced a level of pessimism so complete that equities were widely written off. The returns available to those who bought at that point were extraordinary.
The Lost Decade: Ten Years of Holding and Nothing to Show
The 2000s produced a negative total return for the broad American market over a full decade, testing the assumption that a long horizon guarantees a reward.
A Ninety-Four Percent Decline: The Price of Owning a Great Company
The businesses that produced the greatest long-term returns inflicted devastating declines along the way. Owning them was never the difficult part; keeping them was.
Missing the Best Ten Days: A Statistic That Requires Careful Handling
The best-days statistic is real but is frequently deployed misleadingly, since the symmetrical calculation for the worst days produces an equally dramatic and opposite result.
The Crashes That Never Came: The Cost of Waiting for the Fall
Predicted crashes that failed to arrive are absent from the record, yet the cost of waiting for them is real and has been substantial for those who did.
What Thirty Case Studies Have in Common
Across four centuries of financial disaster, a small number of mechanisms recur: leverage, concentration, correlation, narrative, and the substitution of price for value.
Compounding: The Arithmetic That Rewards Only Patience
Compounding is the strongest force available to an ordinary investor, and it earns that title precisely because it does almost nothing for years and then, quite suddenly, almost…
Correlation: Why Diversification Depends on What Moves Together
Owning a lot of things is not the same as being diversified. What matters is not your holding count. It is whether everything you own can fall at once.
The Equity Risk Premium: Why Owning Businesses Has Paid
Over long stretches of history, owning companies has paid more than lending money safely. That extra return has a name, a reason, and a warning attached to it.
How Prices Are Actually Set: The Auction Beneath the Screen
Every price on a screen is the residue of a continuous auction: the point where a buyer's top bid touched a seller's bottom offer, nothing more.
Inflation: The Quiet Erosion That Reshapes Every Decision
Inflation is the slow bleed in what a currency can buy, and it is the reason holding money "safely" is not the same thing as keeping it safe.
Information and Noise: Most of What You Hear Is Not a Signal
The overwhelming majority of market news is noise, movement without meaning, and an investor's first job is recognizing how little of what they hear is actually signal.
Interest Rates: The Price of Time and Why Everything Depends on It
An interest rate is simply the price of having money now instead of later. Because every asset is a claim on money that arrives later, that one price reaches into the value of…
Liquidity: The Service You Do Not Notice Until It Is Gone
Being able to sell what you own, at a reasonable price, whenever you feel like it, seems like a basic feature of markets. It isn't. It's a service other people provide voluntarily, and…
Luck and Skill: How to Tell Them Apart in Markets
When chance carries real weight in an activity, a good result is weak proof that the decision behind it was sound. That gap between outcome and quality is where self-deception takes…
Market Cycles: The Pattern That Rhymes Without Repeating
Markets move through cycles of expansion and contraction. The pattern itself is real, but believing you can time it is where that pattern does most of its damage.