港股三大指数低开低走，恒生科技指数跌幅扩大至2.5%

Group 1 - The Hong Kong stock market indices collectively declined, with the Hang Seng Tech Index dropping over 2.5% during the session, reflecting a downturn in tech stocks and fluctuations in gold stocks [1] - The largest ETF tracking the Hang Seng Tech Index (513180) followed the index's downward trend, with most holdings declining, except for NIO which saw an increase [1] - According to China Merchants Securities, the Hong Kong stock market is expected to experience a rebound after a short-term decline, driven by factors such as continuous innovation in China's tech industry and a lower probability of high tariffs being implemented [1] Group 2 - As of October 16, the cumulative net inflow of southbound funds reached a record high of 12089.46 billion HKD this year, with over 20 billion HKD net inflow on the day of reporting [2] - Foreign capital has shown a tendency to flow into Hong Kong stocks, particularly in software services and hardware sectors, indicating a consensus among foreign investors to increase their positions in Chinese tech assets [2] - The current valuation of the Hang Seng Tech Index ETF (513180) stands at a P/E ratio of 22.88, which is approximately 28.79% of its historical valuation range, suggesting that the index remains relatively undervalued [2]