Robinhood shares drop as company warns trading activity will slow

Robinhood shares drop as company warns trading activity will slow
Robinhood’s stock tumbled more than 10 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 company said its second-quarter revenue more than doubled to $565 million — but mostly because of an explosion in crypto trading, a famously volatile space that...