Short selling has gone mainstream. Inspired by the noisy success of activist short sellers, amateur investors are now trying this highly risky strategy themselves.They’re aided by a slew of new trading apps making it possible to short a stock or currency in seconds.Peter Roscoe is a YouTube investing vlogger who’s experienced the highs and lows of short selling.We also hear from the UK boss of trading app E-Toro – who says shorting has exploded on the platform.Producer: Ciaran Tracey Presenter: Leanna Byrne