Market Overview - On October 17, the Hang Seng Index fell by 2.48%, with southbound trading totaling HKD 153.005 billion, comprising HKD 79.654 billion in buying and HKD 73.351 billion in selling, resulting in a net buying amount of HKD 6.303 billion [1] Southbound Trading Details - Southbound trading through the Stock Connect (Shenzhen) recorded a total transaction amount of HKD 58.715 billion, with buying at HKD 29.681 billion and selling at HKD 29.034 billion, leading to a net buying of HKD 0.647 billion [1] - Southbound trading through the Stock Connect (Shanghai) had a total transaction amount of HKD 94.290 billion, with buying at HKD 49.973 billion and selling at HKD 44.317 billion, resulting in a net buying of HKD 5.656 billion [1] Active Stocks - Alibaba-W had the highest transaction amount among southbound stocks at HKD 137.12 billion, with a net selling of HKD 21.53 billion and a closing price drop of 4.22% [1] - Other notable stocks included SMIC with a transaction amount of HKD 98.39 billion and a net selling of HKD 15.78 billion, and Xiaomi Group-W with a transaction amount of HKD 58.48 billion and a net buying of HKD 4.14 billion [2] Continuous Net Buying - Two stocks, Xiaomi Group-W and Pop Mart, have seen continuous net buying for over three days, with Xiaomi Group-W leading at a total net buying of HKD 74.03 billion over 10 days, followed by Pop Mart with HKD 14.68 billion over 4 days [2]