In a Financial Services hearing on GameStop trading, Rep. Alexandria Ocasio-Cortez pressed Robinhood’s CEO on his failure to manage their own books, which contributed to a freeze on trading and losses for thousands of retail traders. She also pushed him to give Robinhood’s customers the commission Robinhood makes of off the sale of their customers’ stock trades -- he refused. Robinhood’s answers reveal that their business model is based on hidden costs to customers and that they failed to proper