RIO DE JANEIRO—In 2006, Eike Batista strode into Rio’s opulent Copacabana Palace hotel for cocktails with a Canadian pension fund looking to play Brazil’s rise. The Brazilian entrepreneur captivated his hosts with a brazen pitch: He aimed to be the world’s richest man, and investors along for the ride would prosper, too. “The way he says it, it doesn’t sound crazy,” says Brian Gibson, then a senior vice president with the Ontario Teacher’s Pension Plan, which organized the reception. “As an investor, you are looking for someone who is hungry,” Mr. Gibson says. “I didn’t know if he was going to be the richest or not, and I didn’t care.” Mr. Batista didn’t make it. Instead, he presided over one of the most breathtaking rise-and-fall stories in the history of business. Starting in 2006, Mr. Batista publicly listed five startups in five years, creating a Brazilian commodities empire from […]