Group 1 - The PCB industry is expected to recover with a projected global output value of $73.565 billion, driven by advancements in AI computing infrastructure, consumer electronics innovation, and automotive intelligence [3] - The industry is anticipated to increasingly resemble the semiconductor sector, with a continuous increase in value [3] - There is a disconnect between market sentiment and the underlying data, highlighting the importance of recognizing market trends and potential risks [4] Group 2 - The current market phase is characterized by volatility, with only 20% of stocks expected to continue rising, while many investors may lose their positions during fluctuations [8] - Historical patterns indicate that the current market is in a second phase of differentiation, following a previous phase of valuation recovery [6] - Quantitative data reveals that significant market movements are often accompanied by institutional "inventory" and "recovery momentum," indicating potential market manipulation [13] Group 3 - Traditional methods of stock selection in the PCB sector may lead to misjudgments, emphasizing the need for a quantitative approach to understand fund behavior [11] - The disparity in institutional participation among different PCB stocks illustrates the essence of market differentiation [19] - Investors are encouraged to adopt a new cognitive framework, focusing on understanding fund language and accepting imperfect conditions in stock performance [20] Group 4 - The industry is projected to grow by 5.8%, prompting the need to identify companies that can outperform the average and those that may be eliminated from the market [21]