Robinhood Markets Inc.’s cryptocurrency operations are the subject of an investigation in Florida, accusing the popular fintech platform of using deceptive practices to mislead consumers about costs.

The platform lets users buy and sell stocks and cryptocurrencies without charging direct commissions. Instead, the company ...

Florida Attorney General James Uthmeier said Thursday that his office has submitted a subpoena to “uncover internal documents” belonging to Robinhood Crypto, LLC, after alleging that the company ...