Group 1 - The market is showing stronger performance than expected, with a strong rebound from the bulls, indicating a stable alternating pattern of multiple main lines and leading stocks [1] - It is essential to anchor stock holdings to the main line and select leading stocks within that line, as the market will experience differentiation and expansion as it develops [1] - The "stacked volume attack" model is becoming more prevalent due to the increased quantitative capabilities of domestic institutions, characterized by sustained high turnover without breaking the TR holding line [1] Group 2 - The TR holding line is not merely a magical line; it is based on the maximum daily tension (amplitude) within a statistical period, serving as a threshold for pullbacks, reflecting the short-term emotional extremes of participants in the stock [2] - The average stock price index shows that the TR holding line was barely breached yesterday, indicating that recent emotional extremes have not been disrupted, while the emotional indicator in the secondary chart has already converged [3] - Strong stocks respond closely to the TR, as evidenced by the mentioned stocks, which experienced pullbacks right at the holding line [3]