Core Points - The Hang Seng Index fell by 1.52% on October 13, closing at 25,889.48 points, while southbound funds through the Stock Connect recorded a net inflow of HKD 19.804 billion [1] - The total trading volume for the Stock Connect on October 13 was HKD 227.017 billion, with a net buy of HKD 19.804 billion [1] - Active stocks in the Shanghai Stock Connect included Alibaba-W, which had the highest trading volume at HKD 22.610 billion, followed by SMIC and Xiaomi Group with HKD 12.670 billion and HKD 9.133 billion respectively [1] - The top net buy stock was the Tracker Fund of Hong Kong, with a net inflow of HKD 5.208 billion, despite its closing price dropping by 1.56% [1] - Tencent Holdings had the highest net sell amount at HKD 3.308 billion, with a closing price decrease of 1.92% [1] Trading Activity Summary - In the Shenzhen Stock Connect, Alibaba-W led with a trading volume of HKD 9.688 billion, followed by Xiaomi Group and SMIC at HKD 6.189 billion and HKD 5.050 billion respectively [2] - The Tracker Fund of Hong Kong recorded a net buy of HKD 2.075 billion, while the highest net sell was for Innovent Biologics at HKD 0.515 billion, with a closing price drop of 4.20% [2] - The trading data for the top active stocks included significant fluctuations in net buy and sell amounts, indicating varied investor sentiment [2]