Head over to the New York Times for a profile of famous short seller Andrew Left of Citron Research.
In the finance world, Left, 46, is what is known as an “activist” short-seller. After he places a bet against the price of a stock, he then publishes research designed to torpedo the company’s value, often by airing accusations of fraud or abuse. This is entirely legal, as long as what he publishes is not itself fraudulent. Left takes short positions in companies across a whole range of industries — Tesla, Valeant, GoPro — and though he makes mistakes, he has an unusually high success rate.