Samsung C&T Corporation (KOSE:A028260) is in talks with Publicis Groupe SA (ENXTPA:PUB) over the sale of its stake in Cheil Worldwide Inc. (KOSE:A030000) (Cheil Worldwide). "We can confirm that Samsung's stake in Cheil Worldwide is up for sale," Cheil Worldwide Chief Executive Officer Lim Dae-key told reporters.