In the summer of 1929, Bernard Baruch did something almost nobody else on Wall Street bothered to do — he sold. Quietly, methodically, he liquidated his positions and moved into cash and gold. When the crash arrived in October, wiping out fortunes and reputations alike, Baruch stood in the rubble largely unscathed. His friends called it genius. Baruch called it something far more honest: hard-won discipline.
But Baruch had not always been disciplined. As a young speculator in the 1890s, he was reckless in the way only a brilliant twenty-something with borrowed confidence can be. He suffered catastrophic losses in sugar and cotton trades, embarrassments severe enough to send most men back to a salaried life. What kept him was the refusal to blame the market. He catalogued his errors — overconfidence, ignoring fundamentals, chasing price rather than value — and treated each loss as tuition with a brutal fee schedule.
The rule Baruch eventually codified was deceptively simple: always know why you bought something, and when that reason no longer holds, sell. He was particularly brutal about cutting losses, famously quipping that the first loss is the best loss. He kept a written record of every trade — not for tax purposes, but for self-examination. He wanted evidence, not anecdote, when reviewing his own behaviour.
Baruch went on to advise six American presidents, from Woodrow Wilson through to Dwight Eisenhower, applying the same clear-eyed analysis to geopolitics that he once trained on commodity markets. His 1957 memoir, My Own Story, remains oddly readable — candid about mistakes, light on ego. Traders who want to understand speculation as a discipline rather than a gamble will find it useful, as will anyone drawn to the broader history of the 1929 crash and its survivors. His specific approach to risk management through position sizing and written records anticipates techniques modern systematic traders now treat as standard practice.
Baruch's real lesson wasn't about picking winners. It was about surviving long enough to learn — and keeping notes honest enough to actually do so.
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