Thousands flocked to the opening day of the annual Hong Kong Cat Expo despite Friday’s reel of rainstorm warnings, splashing out on products ranging from pet companion robots to ginseng supplements. The three-day event, which has been held annually since 2023, is being held at the Convention and Exhibition Centre in Wan Chai and features more than 185 exhibitors and 400 booths, helping to introduce a wave of novel pet businesses. Among them was a smart companion robot, which uses artificial...