Group 1 - The core message emphasizes the importance of maintaining rational optimism in investment, especially during market fluctuations [1][2][3] - Historical trends in the A-share market indicate that rational investors often find valuable opportunities during extreme market conditions, leading to significant returns [3] - The investment philosophy suggests that understanding economic principles, industry trends, and company valuations is crucial for long-term success [3] Group 2 - The article highlights that successful investors are distinguished by their ability to see opportunities in crises and maintain composure during market exuberance [3] - It notes that the sentiment in the market oscillates between excessive optimism and pessimism, but ultimately, stock prices are driven by the intrinsic value of companies [2][3] - The narrative reinforces that a cautious yet optimistic approach, grounded in solid fundamental analysis, is essential for achieving long-term investment success [2][3]