** Trading platform Webull's BULL.O shares rise 3.3% to $15.15 in extended trading
** BULL Q2 revenue surges 46% to $131.5 million, driven by robust trading activity and strong growth in user engagement
** "The environment for retail self-directed trading was the best we've seen since the COVID-19 pandemic," says Anthony Denier, group president and U.S. CEO of Webull
** Customer assets soared 64% to an all-time high, driven by market recovery and strong net deposits
** As of last close, BULL shares up 26% YTD
(Reporting by Arasu Kannagi Basil in Bengaluru)
((ArasuKannagi.Basil@thomsonreuters.com))