Group 1 - The article discusses the strategy of day trading (做T) within a long-term investment framework, emphasizing the importance of having a core position before engaging in short-term trades [3][4] - Key indicators for making trading decisions include the average price line (黄线), volume-price relationship (量价), and end-of-day price movements (尾盘) [3][4] - The average price line serves as a "value anchor" for intraday trading, guiding traders on when to sell or buy based on price movements relative to this line [3][4] Group 2 - Volume is highlighted as a critical factor; significant volume during price increases suggests a peak in market sentiment, while decreasing volume during price drops indicates a lack of selling pressure [3][4] - End-of-day trading requires careful observation; sudden price movements without volume may indicate false signals, while significant volume during a drop may present buying opportunities [4] - The article advises limiting day trading positions to one-third of the core holding and setting stop-loss levels to manage risk effectively [4]