Group 1 - The core strategy for margin trading focuses on "following the trend," emphasizing the importance of selecting high-certainty industry leaders for long-term leverage and event-driven stocks for short-term gains [1] - In the context of margin trading, investors should be aware of the limited number of short-selling targets and the potential for changes in available shares, necessitating prior confirmation with brokers [1] Group 2 - Leveraged ETFs are best utilized for "swing trading," with a recommended holding period of 5 to 10 trading days due to their daily reset feature, which can lead to volatility decay [2] - Investors should use technical indicators to determine entry points for leveraged ETFs, such as buying when the index breaks above the Bollinger Bands upper limit with increased volume [2] Group 3 - Options strategies emphasize "refined management," with a focus on buying in-the-money call options for bullish markets and constructing call spreads to manage risk in uncertain conditions [4] - In volatile markets, selling straddles can be a common strategy, allowing investors to earn premiums as long as the underlying stock price remains within a specified range [4] Group 4 - Combining different leverage tools can optimize the risk-return profile, with conservative investors using a "margin + bonds" strategy and aggressive investors employing a "leveraged ETF + options" combination for added protection [5] - The effectiveness of leverage tools relies on understanding their characteristics and adapting strategies to market conditions, highlighting the need for investor discipline and market sensitivity [5][6]