While many Hongkongers have left the city over the Christmas holiday, hundreds of others have flocked to the annual Hong Kong Food Festival in Wan Chai for the first of a five-day fair featuring gourmet seafood, snacks and other delicacies. “I’m going to buy whatever catches my eye today, I don’t have a particular budget,” Angel Wong, a 40-year-old customer service worker, said. “I don’t think I can get away from spending at least HK$600 [US$77] to HK$700.” Wong, who has attended the event at...