The logo of Robinhood Markets is seen at a pop-up event on Wall Street after the company's initial public offering in New York City on July 29, 2021.Andrew Kelly | ReutersRobinhood beat Wall Street expectations for the second quarter Wednesday.Here is how Robinhood's results compared to Wall Street estimates, according to analysts surveyed by LSEG:Earnings per share: 42 cents vs. 31 cents expectedRevenue: $989 million vs. $908 million expectedRevenue jumped 45% year-over-year to $989 million, wh...