Adam Khoo cited a Korean student’s loss as a warning on leveraged trading: savings of $13,000 grew to $200,000, then went to zero. He said such outcomes are com

Adam Khoo cited a Korean student’s loss as a warning on leveraged trading: savings of $13,000 grew to $200,000, then went to zero. He said such outcomes are common among investors chasing quick gains, and urged students to avoid the strategy.