Core Viewpoint - HSBC Holdings has reported that its banking operations in Hong Kong, which previously faced interruptions, are "gradually returning to normal" [1] Group 1: Operational Issues - HSBC's mobile banking application in Hong Kong was inaccessible due to a technical issue on Friday afternoon [1] - The bank's computer network across Hong Kong also experienced failures, impacting local branches [1] Group 2: Customer Base and Services - HSBC is the largest bank in Hong Kong, serving over 6 million retail customers [1] - The bank's services include transaction banking, loans, wealth management, and insurance products [1]