Barstool’s Dave Portnoy fires back at ‘used car salesman’ short-seller

Dave Portnoy got into a fiery online spat with a skeptical investor Wednesday over a stock he says he no longer owns. The Barstool Sports founder kicked off his daily day-trading broadcast on Twitter by tearing into Wolfpack Research short-seller Dan David, who slammed him Tuesday for touting what David called “less than worthless” shares… Continue reading at New York Post