Hong Kong’s annual collectable card festival will return later this month with its biggest showing yet, as industry watchers say the local market is “beginning to take off” with the city poised to become a trading hub. The fourth Grade10 Festival will take place at the Hopewell Hotel in Wan Chai from November 22 to 23, featuring more than 120 global exhibitors and an anticipated 20,000 visitors, including enthusiasts from mainland China. This edition marks the first event since MemeStrategy, the...