Compagnie Financière Richemont S.A. has detailed long-awaited plans for its money-losing Yoox-Net-A-Porter (YNAP) business, and now it’s in advanced talks to sell a minority stake to London-based Farfetch Ltd. The Swiss luxury conglomerate said on Friday that it is in “advanced discussions with Farfetch with a view to enhancing the partnership it established last year.”…