<ul data-eligibleForWebStory="false">Three billionaires who made big mistakes and lost everything due to their own bad decisions: Eike Batista, Allen Stanford, and Elizabeth Holmes.Eike Batista, once Brazil's richest man, lost his money after a failed oil company venture and got arrested for corruption.Allen Stanford engaged in a $7 billion fraud, running a Ponzi scheme and was sentenced to 110 years in prison.Elizabeth Holmes' Theranos company, valued at $9 billion, collapsed when her blood testing machine didn't work, leading to her imprisonment in 2023.