Robinhood and Public have sleek designs, but WeBull offered more educational resources, security, and market data.
"Leverage on the way up is a great thing. Leverage on the way down can rip your arms off," says former TD Ameritrade CEO Joe Moglia to retail meme-stock traders.
Dogecoin surged in trading this week after Coinbase announced that users can now trade the popular cryptocurrency, which started as a joke.
"What we know for sure is that we will not offer digital currency trading services to mainland China users," Futu said on an earnings call.
Gary Gensler, the SEC's new chair, raised concerns that game-like trading apps could hurt retail investors by prompting them to make bad decisions.
Stocks represented 41% of US household financial assets in April, according to data from JPMorgan and the Federal Reserve.
The famed investor bemoaned the growing number of people treating the stock market like a casino over the past year.