Group 1 - Recent years have seen a trend of Chinese concept stocks returning to Hong Kong for listing, with companies like Hesai Technology, Tianjing Biotechnology, WeRide, and Pony.ai announcing their plans or progress for Hong Kong listings [1][2] - Pony.ai plans to issue up to 102.1 million shares and has a current market value exceeding $7 billion, while Tianjing Biotechnology aims for a dual listing in Hong Kong to enhance collaboration with global innovators and diversify its investor base [1][2] - WeRide has received approval from the China Securities Regulatory Commission for its Hong Kong listing, intending to issue up to 102.4 million shares, and is noted for holding autonomous driving licenses in seven countries [1] Group 2 - Hesai Technology became the first lidar company to achieve a dual primary listing on the Hong Kong Stock Exchange, raising approximately HKD 4.16 billion and reaching a market value of HKD 35.85 billion on its first day [2] - Since the reform of the Hong Kong listing system in 2018, over 30 Chinese concept stocks have returned to Hong Kong, including major players like Alibaba, JD.com, and Baidu, representing a significant portion of the internet sector [2] - There are three main methods for Chinese concept stocks to return to Hong Kong: privatization and re-listing, secondary listings, and dual listings, with 34 companies having returned since 2018 [2] Group 3 - The return of Chinese concept stocks to Hong Kong is seen as a strategic move amid U.S. regulatory and geopolitical uncertainties, providing companies with better funding opportunities and faster listing processes [3] - The industry focus of returning companies has primarily been on internet platforms and biotechnology, with expectations for future expansions into emerging sectors such as semiconductors, industrial software, and intelligent driving [3]