Renowned billionaire investor Carl Icahn finds himself in an unexpected position after US short-seller Hindenburg Research targeted his investment vehicle, Icahn Enterprises LP, earlier this month.

Icahn vs Hindenburg: A Wall Street Heavyweight match for the ages

There seems to be more trouble for Icahn enterprises. The latest target of US short seller Hindenburg. The company's shares fell 20% on Wednesday. That came after Icahn disclosed that the US attorney's office had sought critical financial information.

US seeks financial details from Icahn

Trouble seems to be brewing for Icahn Enterprises, the latest target of US-based short seller Hindenburg Research. Its shares fell 20 percent on Wednesday after the company disclosed that the US authorities had sought critical financial information.

Battered by Hindenburg allegations, Icahn's shares fall 20% in a single day