Jeff Bezos used one simple question to decide whether to quit Wall Street and start Amazon: What will I regret when I’m 80?

Jeff Bezos said he used a “regret minimization framework” to decide whether to leave a hedge fund job and found Amazon, asking himself what he would regret at 80; he is now worth $357 billion. The anecdote, tied to Amazon’s origins, illustrates the decision behind what became one of the world’s most valuable companies. Bezos’s fortune reflects his Amazon stake and other holdings. The article offers no new financial disclosures or forecasts.