Scores of Hongkongers have complained about unauthorised transactions on credit cards used to pre-order Apple’s latest iPhones, prompting HSBC and Hang Seng Bank to launch investigations.One internet user on the social media platform Threads said she received a message on Saturday night saying she had unauthorised transactions of HK$33,598 (US$4,280) from Apple on her HSBC credit card.“When I called Apple customer service, they hung up on me immediately. What should I do?” she asked.It took...