Bearish investors, the'shorts' of the market, return to the fore after the crisis unleashed in Grifols. But who are they? And, above all, can the small investor emulate the operations of the big ones and also bet on a company going to fall on the stock market? Laura de la Quintana Madrid Madrid Updated Sunday, January 28, 2024-09:00 Bearish investors: The most famous 'bears' in stock market history.