Crowdfunding platform Yieldstreet, which has a significant shipping portfolio, is being investigated by the US Securities & Exchange Commission (SEC) over its dealings with the Lakhani family.

Reports by the Wall Street Journal (WSJ) on Wednesday also claimed that the Federal Bureau of Investigation (FBI) is investigating Yieldstreet's business practices and has interviewed at least one investor.

Yieldstreet said the SEC probe is routine and follows its own declarations to the agency, and when approached by TradeWinds it added that it was unaware of any...