Group 1 - The article discusses the effectiveness of the "blue and green diamond" formulas for stock selection, highlighting that while some users have achieved significant gains, there is still a lack of clarity in defining the "green diamond" concept and an excess of noise in stock selection [1] - The "blue diamond" formula is based on previous low absorption formulas and the addition of RS divergence principles, emphasizing the importance of understanding the RS_D application, which reflects momentum and volatility [1] - The "green diamond" aims to unify the "Nine Swords of Poisonous Solitude," which consists of three styles and their variations, suggesting that understanding these styles is crucial for fitting volume-price patterns [1] Group 2 - The article emphasizes the importance of understanding dynamic principles, which is a major reason for the excess noise in the hand-crafted formulas, indicating that the author's efforts to share the "Beast Dynamics" system have not been fully grasped by the audience [1] - It references previous articles that detail how to use strength indicators for stock selection, particularly the combination of RSR and OVS to identify desired stock groups, with a focus on setting thresholds for stock selection [2] - The author suggests that personal engagement in the process of setting thresholds will enhance understanding of the dynamic system [2]