People wearing protective masks look at phones at an electronic retailer in Beijing, China March 25, 2020. REUTERS/Thomas Peter/File Photo Acquire Licensing Rights HONG KONG, Sept 27 (Reuters) - China's cyberspace regulator on Wednesday released the first batch of mobile app stores that have completed filing business details to regulators as it enforces a new set of rules to expand oversight on mobile apps. A total of 26 app stores operated by companies including Tencent (0700.HK), Huawei (HWT.UL), Ant Group(688688.SS), Baidu (9888.HK), Xiaomi (1810.HK) and Samsung (005930.KS) have submitted filings to the authority, according to the Cyberspace Administration of China...