If you’re one of the many investors who first came to the stock market in the last few years, you’ve likely heard of Robinhood. But a Chinese-owned rival named Webull has also been raking in users.

Webull (NASDAQ: BULL) went public by merging with a special purpose acquisition company (SPAC) on April 11. The online brokerage's stock started trading at $16 that Friday, but it soared to a record ...