Stock trading has become easier and cheaper than ever. But have venues like Robinhood made it too risky for inexperienced investors?

The Robinhood vestment app is see on a smartphone in this photo illustration on June 24, 2020 in Washington,DC. – After the suicide of one of his clients, convinced that he had lost hundreds of thousands of dollars, the online broker Robinhood came under heavy criticism. Popular with millennials, the platform is accused by its detractors of trivializing stock market transactions. (Photo by JIM WATSON / AFP) (Photo by JIM WATSON/AFP via Getty Images)