Group 1 - The core idea emphasizes the importance of not making impulsive investment decisions due to emotional fluctuations that can significantly affect risk perception [1][3] - Historical context is crucial for understanding market behavior, as past market downturns can inform current investment strategies [4][5] - The distinction between stock price and enterprise value is highlighted, indicating that investors often misjudge stocks based on price rather than underlying value [5][7] Group 2 - The necessity of having a written investment strategy is stressed, which serves as a guideline to prevent emotional decision-making [10] - The concept of using different framing techniques to assess risks and probabilities is introduced, suggesting that varying perspectives can lead to more balanced decisions [11][12] - The importance of self-awareness in understanding one's risk tolerance and the psychological factors influencing investment decisions is discussed [14][17]