Group 1 - Northbound capital recorded a net buy of HKD 139.3 billion on January 21, with HK Stock Connect (Shanghai) contributing HKD 77.89 billion and HK Stock Connect (Shenzhen) contributing HKD 61.41 billion [1] - The most bought stocks included the Tracker Fund of Hong Kong (02800), Hang Seng China Enterprises (02828), and Alibaba-W (09988), while the most sold stocks were China Mobile (00941), Tencent (00700), and Hua Hong Semiconductor (01347) [1] - Alibaba-W received a net buy of HKD 10.77 billion, with significant growth in its AI model downloads, surpassing 100 million downloads [5] - China Life (02628) saw a net buy of HKD 10.07 billion, driven by positive expectations in the life insurance sector [5] - Kuaishou-W (01024) gained a net buy of HKD 7.33 billion, with its AI product showing a 350% increase in paid user growth [5] Group 2 - Semiconductor stocks showed divergence, with SMIC (00981) receiving a net buy of HKD 3.87 billion, while Hua Hong Semiconductor (01347) faced a net sell of HKD 1.2 billion [6] - TSMC's increased capital expenditure forecast indicates strong long-term demand driven by AI [6] - Shandong Gold (01787) received a net buy of HKD 3.03 billion, with gold prices hitting historical highs amid geopolitical tensions [7] - CNOOC (00883) saw a net buy of HKD 3.64 billion, with ongoing geopolitical tensions affecting oil prices [7] - Xiaomi Group-W (01810) and Meituan-W (03690) received net buys of HKD 5.89 billion and HKD 2.04 billion, respectively, while China Mobile (00941) and Tencent (00700) faced net sells of HKD 9.21 billion and HKD 2.71 billion [7]