Group 1 - The Hang Seng Index fell by 0.97%, down 252 points, closing at 25,842 points, while the Hang Seng Tech Index dropped by 1.3% [1] - China Aluminum (02600) rose by 5.66% as it plans to acquire stakes in three subsidiaries, enhancing its control [1] - CGN Mining (01164) increased by over 3% due to two major uranium suppliers lowering their 2026 production guidance, tightening supply and supporting uranium prices [1] - Longpan Technology (02465) surged over 10% after its subsidiary signed a nearly 5 billion yuan long-term contract with Sunwoda [1] - Yunji (02670) rose over 5%, reaching a new high since its listing, up 70% from its IPO price, leading in the smart hotel robot application competition [1] - Yijun Group Holdings (02442) resumed trading and skyrocketed by 66% after a change in controlling stake, receiving a buyout offer at over 80% discount [1] Group 2 - Lemo Technology (02539) debuted with a 68% increase, recognized as a leader in shared massage equipment [2] - Jinyan Gaoling New Materials (02693) also debuted, rising by 3%, being the largest producer of precision casting mullite materials in China [2] - Yidu International Holdings (00259) increased by over 7%, with its subsidiary, Canfeng Information, being a core client and shareholder of the domestic AI chip star company, Muxi, which will start its Sci-Tech Innovation Board subscription on December 5 [2] Group 3 - Capital界金控 (00204) plummeted over 50%, with mid-term losses expanding 3.73 times to 50.13 million HKD [3] Group 4 - XPeng Motors-W (09868) fell over 4%, with November sales declining by 12% month-on-month, failing to meet the target of 40,000 units [4]