Hongkong-based Cheung Kong Infrastructure Holdings (CKI) is selling 9.9% of its stake in the North of England Gas Distribution Network business (NEG) to two Australian investors for HK$66 million, reported the Hongkong Standard. (US$1=HK$7.8).   Challenger Life No 2 bought a 5.8% of NEG’s issued share capital from the company controlled by the Hongkong tycoon…