The online trading app passed misleading information to users on whether they can trade on borrowed money, says US regulatory body Finra.
The interaction between the two entrepreneurs on Clubhouse came amid intense interest in news around Robinhood, the online brokerage caught up in a wild stockmarket battle between small investors and big Wall Street funds.
Robinhood and other brokerages took steps to stop the buying frenzy surrounding firms such as GameStop but only sparked more volatility in the market, with angry customers and politicians arguing the curbs unfairly benefit bigger investors.
For the older generation, there might be signs of doom, but for the younger lot, there's hope for a turnaround - as well as a desire to cash in while the others wait.
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