An amateur investor turned $15,000 into $1 million then lost it all, the latest cautionary tale in the day-trading frenzy

Robinhood-user Richard Dobatse said he turned $15,000 into $1 million, and then lost everything. He told the New York Times: "They make it so easy for people that don't know anything about stocks. Then you go there and you start to lose money." He said he is planning to appeal his case to financial regulators for arbitration. Dobatse's story is a cautionary tale about the dangers of day-trading, and how quickly losses can mount. Visit Business Insider's homepage for more stories. One of the most...