Core Viewpoint - The article reflects on the emotional and financial challenges faced by investors when making decisions, particularly in the context of stock trading and market fluctuations. It highlights the regret and frustration of missing out on potential gains after selling stocks prematurely. Group 1: Investment Decisions and Regrets - The author expresses deep frustration over a decision made on April 7 to liquidate holdings in innovative pharmaceuticals, which constituted over 5% of the total portfolio, only to see those stocks rise by 50% shortly after [3]. - The emotional toll of investing is emphasized, with the author feeling a significant impact on net worth due to the decision, despite the loss being only about 1% [3]. - The narrative includes a comparison of two stocks, where one stock (圣诺) appreciated by 128% while the other (诺泰) faced a decline, leading to a projected loss of 20% due to regulatory issues [5]. Group 2: Market Trends and Stock Performance - The article discusses the volatility of certain stocks, with one investor mentioning a significant drop in a stock's price after selling, illustrating the unpredictable nature of the market [10]. - Another investor reflects on the missed opportunities in the market, particularly regarding a bank stock that surged after they sold, indicating a common theme of regret among investors [11]. - The importance of maintaining a disciplined investment strategy is highlighted, with suggestions to control individual product exposure and avoid emotional decision-making [11].