File photo of Einhorn, president of Greenlight Capital, holding toy wand as part of joke during the Sohn Investment Conference in New York

 
File photo of Einhorn, president of Greenlight Capital, holding toy wand as part of joke during the Sohn Investment Conference in New York
David Einhorn, president of Greenlight Capital, holds a toy wand as part of a joke during the Sohn Investment Conference in New York in this May 16, 2012 file photo. Einhorn, best known for his prescient short bet against Lehman Brothers and more recently, Green Mountain Coffee Roasters, hasn't received the same attention for another notable bearish call - United States Steel. REUTERS/Eduardo Munoz/Files (UNITED STATES - Tags: BUSINESS)