Einhorned: Stocks jump on new Greenlight stake By: CNBC.com News April 23, 2014 at 11:08 AM EDT Stocks of SunEdison and Conn's jumped Tuesday on news that David Einhorn's Greenlight Capital had opened new positions in them. Read More >> Related Stocks: Conn's Inc Herbalife Ltd Keurig Green Mountain Micron Technology Seagate Technology Plc Sentinelone Inc Cl A St. Joe Company