WebMD (NASDAQ:WBMD) shares are catching a bid premarket on news that it held discussions with various PE firms regarding a potential buyout, but those talks were reportedly terminated without any proposal.A special committee ended the process with the suitors in August.The company has provided info after inquiries from Carl Icahn and other investors.Shares of the company have fallen 52% in the past 12 months, but are trading 2% higher premarket on the news.