In the previous lesson, we provided a brief overview of the classification of Hong Kong ETFs.This time, we will walk you through the lesson from an investment perspective, focusing on three key categories of Hong Kong ETFs: "Broad Market Index ETFs, Sector/Thematic ETFs, and Leveraged/Inverse ETFs." This will help unlock more investment potentials.1.Broad-Based Index ETFsBroad-Based Index ETFs are the type of ETFs that most investors will come to know first.In the Hong Kong market, there are numerous index ETFs, with the most prevalent being the Broad-Based Index ETFs.Currently, the largest Broad-Based Index ETF in size is TRACKER FUND (2800.HK), which tracks the Hang Seng Index. Additionally, there are ETFs that track the Hang Seng China Ent