Anthony Denier, CEO fo Webull, speaks during an interview on CNBC on the floor of the New York Stock Exchange (NYSE) in New York City, U.S., June 1, 2022. Brendan McDermid | ReutersShares of Webull soared nearly 375% on Monday, the second day on the market for the stock-trading app, which completed its merger last week with SK Growth Opportunities Corp., a special-purpose acquisition company (SPAC).The rally gives Webull a market cap of almost $30 billion. Webull competes with Robinhood, Charles...