Billionaire Tang Shing-bor, Hong Kong’s “shop king”, has swiftly settled a court case brought against him over unpaid rent of nearly HK$12 million (US$1.5 million) for a hotel property in Tsim Sha Tsui.The settlement comes amid market speculation that the tycoon is under financial stress after the Tang family has divested more than HK$1 billion worth of property assets so far this year.In its first public response to the legal action, the spokesman of Stan Group, the family office representing…