Group 1 - The core point of the article highlights the trading activities on December 22, where 12 stocks appeared on the trading list, with significant participation from the Shenzhen-Hong Kong and Shanghai-Hong Kong Stock Connects [1] - A total of 14 stocks experienced net purchases from the Shenzhen-Hong Kong and Shanghai-Hong Kong Stock Connects, with Jingzhida leading at a net purchase amount of 120 million yuan [1] - Other notable net purchases included Baiyin Youse at 90.68 million yuan, Hainan Huatie at 89.34 million yuan, and Shanzigao Technology at 74.29 million yuan [1] Group 2 - The article also mentions stocks that faced net selling, including Haoen Qidian with a net sell amount of 25.12 million yuan, Bona Film Group at 19.82 million yuan, and Tianwei Vision at 18.88 million yuan [1] - Market performance indicated that 11 stocks with participation from the Shenzhen-Hong Kong and Shanghai-Hong Kong Stock Connects reached their daily price limit, with Shenjian Co. achieving three consecutive daily limit ups and Shanzigao Technology achieving two consecutive daily limit ups [1]