Group 1 - The core concept of the article emphasizes the importance of the "Beast System" in stock selection, which focuses on long-term industry logic and effective catalysts rather than chasing trends [1][2] - The "Beast System" utilizes long-term momentum indicators like RSR and stock trend templates to filter out stocks and sectors with insufficient long-term momentum [2] - The article highlights the significance of timing in stock selection, stating that the pivot point is a powerful timing tool, but warns against using timing as a substitute for stock selection [5] Group 2 - The article encourages updating professional financial data and maintaining sensitivity to earnings forecasts, which will be reflected on corresponding K-lines [5] - It provides a formula for displaying performance data and announcement period indicators, which can enhance stock selection efficiency [7] - A nearly free stock selection formula for net profit gap is mentioned, indicating a resource for investors [8]