Group 1 - The stock market reality is that continuously rising stocks belong to a minority, and these stocks are concentrated in a few industry directions, following a power law [1] - Less than 20% of speculators do not incur losses, with even fewer making profits, which also aligns with the power law [1] - Stock speculation is a power law game rather than a random game, indicating that only by anchoring to industries with a winning quantity and spatial advantage can one capture the head of the power law [1] Group 2 - The relationship between leading stocks in a bull market and industries is summarized in detail, but few delve into the movement patterns of winning stocks [1] - The essence of the O'Mahony system lies in industry anchoring and growth anchoring, as every bull market has advantageous industries that grow rapidly, giving rise to excellent companies [2] - Opportunities in the era often do not return once missed, emphasizing the importance of recognizing industry trends [2]