Robinhood Markets Inc (NASDAQ:HOOD) is up 2.9% to trade at $18.37 this morning, following the trading platform's first-quarter earnings results. Robinhood posted earnings of 18 cents per share on revenue of$618 million both of which topped analyst estimates. The quarterly top-line beat was boosted by record net deposits of $11.2 billion. Options traders are targeting the stock after the results, with total volume running at 12 times what's typically seen at this point and calls nearly tripling the number o ...