Carl Icahn’s fortune has plummeted from a recent peak of about $17.5 billion to roughly$4.8 billion — the biggest drop of his storied career — after a bruising battle with short-seller Hindenburg Research, according to Forbes.The nearly 75% drop in Icahn’s net worth from 2023 to this year came as Hindenburg accused his firm of inflated valuations and unsustainable dividends — allegations Icahn strongly rejected.The 89-year-old activist investor — once considered one of Wall Street’s fiercest corporate raid ...