Arm China's CEO Allen Wu had been battling with SoftBank Group and Hopu Investment over control of the company. © EPA/Jiji ZHANG ERCHI, QU YUNXU and GUO YINGZHE, Caixin July 5, 2022 08:00 JST | China Copy Copied Masayoshi Son, the billionaire head of SoftBank Group, may have heaved a sigh of relief after wresting back control of the Chinese venture of British semiconductor designer Arm from its wily CEO. Read Next