Robinhood warns of lower trading revenue in third quarter Robinhood Markets Inc (HOOD.O) said on Wednesday that lower trading activity was likely to affect its third quarter, after it reported a 131% jump in second-quarter revenue fueled in part by a surge in cryptocurrency trading. Citadel to Take Back $500 Million of Its Cash Infusion Into Melvin CapitalMelvin, a hedge fund that had bet that GameStop’s share price would fall, received a $2 billion infusion from Citadel after the stock skyrocketed. The amateur investors taking on Wall Street tradersWhen lockdown began in March last year few people had heard of Freetrade, an app-based investment platform with 50,000 customers. Today it has more than 850,000 Dogecoin accounts for 25.6 percent of Robinhood’s second quarter revenueDogecoin, which got its start as a joke, accounted for a whopping 25.6 percent of commission-free trading app Robinhood’s revenue in the second quarter. Robinhood shares drop as company warns trading activity will slowRobinhood’s stock tumbled more than 9 percent after the free stock-trading app warned a trading frenzy that powered its latest quarterly results appears to be waning. The Silicon Valley-based… 'Ghost town' fears send Robinhood sliding as trading frenzy fizzlesShares of Robinhood Markets Inc fell 9% on Thursday as the fee-free broker's warning about a slowdown in trading raised concerns about its reliance on a pack of small-time investors to sustain a frenzy in stocks, options and cryptocurrencies. Just how mighty are active retail traders?They are a force to be reckoned with. But most punters are still pretty boring | Finance & economics Robinhood’s revenue more than doubled even as it lost money last quarter.Robinhood lost $502 million, compared with a profit of $58 million a year prior.