Shares of Symantec (SYMC) are sliding after CNBC’s Alex Sherman reported that TPG and Intel (INTC) are in talks to sell security software company McAfee to private equity firm Thoma Bravo. In early November Reuters had reported that Thoma Bravo had approached Symantec to express interest in a potential takeover. Following CNBC’s report, Intel shares are fractionally lower while Symantec has declined about 4% to $21.60.