India, Nov. 6 -- Carl Icahn's fortune recently plummeted from about $17.5 billion to roughly $4.8 billion after a battle with short-seller Hindenburg Research, according to Forbes. The nearly 75% drop is the biggest drop of his long career.

The decrease in Icahn's net worth from 2023 to this year took place as Icahn's net worth after Hindenburg accused his firm of inflated valuations and unsustainable dividends. The Icahn Capital Management founder has denied the allegations.

Icahn, an 89-year-old activist investor, was once believed to be Wall Street's fiercest corporate raiders. In various recent interviews with The Wall Street Journal, he said he is still a fighter. He also bets on NFL games every week, and won about $80,000 through ...