Who wants to buy DocuSign (NASDAQ:DOCU)? Earlier this year, it was revealed that private equity firms Bain Capital and Hellman & Friedman were competing to buy out the electronic signature company. According to sources close to the matter, the two firms were named as final bidders in the auction for the company. The sources also stated that the firms could cooperate in acquiring DocuSign. However, DOCU stock is falling lower today after Reuters reported that Bain and Hellman are in a disagreement with DocuS ...