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The Art of Investment
What It’s About
André Kostolany’s The Art of Investment is a uniquely insightful summary of the stock market, economy, and the world of money. Through stories accumulated over a lifetime as a speculator, the book is not only educational but also entertaining, shedding light on how to think about money and navigate economic downturns.
Three Key Ideas
Psychology Drives Market Prices
Stock prices are shaped by collective emotion before fundamentals, so understanding crowd behavior matters more than spreadsheet analysis.
Firm Hands vs. Shaky Hands
Every market cycle is a transfer of stock from disciplined, long-term holders to nervous, leveraged speculators and back again.
The Four Requirements of Speculation
Money you can afford to lose, original ideas, patience, and luck are all essential, and lacking any one will end in failure.
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The Art of Investment by André Kostolányi
The Old Man and the Dog
There is a picture André Kostolányi drew so many times it became his signature: a man walking a dog. The man strolls forward at a steady pace. The dog runs ahead, sniffs at a tree, falls behind, races forward to overtake him, then circles back. By the end of the walk, the man has covered, say, a mile. The dog has covered five. But the dog ends up exactly where the man ends up. That dog is the stock market. That man is the economy.
If you understand that one image, Kostolányi believed, you understand more about markets than most people who watch them all day.
He wrote that picture from experience. Born in Budapest in 1906, Kostolányi arrived at the Paris Bourse at eighteen years old, profited from the 1929 crash and was wiped out soon after, made and unmade several fortunes, lived through wars and currency collapses, watched the Soviet system rise and fall, and died at ninety-three. He did not write his books as a young man with theories. He wrote them as an old man who had been wrong enough times to know what right looks like.
Who It’s For
- Anyone who wants to understand why stock markets overshoot in both directions.
- Anyone who has lost money by selling in a panic or buying at the top of a rally.
- Anyone who is skeptical of financial gurus, tip newsletters, and chart-reading systems.
- Anyone who prefers timeless thinking about money over formulas and trading strategies.
About the Author: André Kostolányi
Andre Kostolany was a Hungarian-born speculator and financial writer who spent most of his career in Paris and Germany. Born in Budapest in 1906, he began trading at eighteen and lived through the 1929 crash, two world wars, and several currency collapses, accumulating decades of first-hand market experience before writing his most widely read books.
He became one of the best-known financial authors in the German-speaking world, celebrated for explaining markets through storytelling rather than formulas. He died in 1999 at the age of ninety-three.





