Hong Kong and Shanghai have greatly deepened their financial cooperation by linking their digital authentication systems. This move, reviewed at the annual Working Group meeting, aims to strengthen the partnership between the two global financial hubs.

Hong Kong and Shanghai have taken a significant step in the digital integration of the two financial hubs by linking authentication systems, while five mainland Chinese enterprises have established operations in the city, officials have said. Both sides highlighted the progress on Sunday during the first annual meeting of the Working Group on Shanghai and Hong Kong Digital Cooperation. They gathered in Hong Kong to review a deepening partnership over the past year aimed at tackling technical...