More:Protocol.Tweets:@marahvistendahl,@gadyepstein,@bethanyallenebr,@globalhighered,@dtbyler,@marahvistendahl,@lindsaypgorman,@mmasnick,@theintercept, and@marahvistendahl Bloomberg: Webull, the Chinese-owned brokerage that runs one of the fastest-growing retail trading platforms in the US, raises ...