Group 1 - The concept of "main force" and "combined force" is a metaphorical description of market momentum, which cannot be visually represented but seems to exist [1] - Different interpretations of market events exist, as seen in the reactions to a recent article, where some viewed it as a bullish signal while others saw it as bearish [1] - The increase in selected stocks at a pivotal point indicates positive information, although the overall market trading volume has not surpassed the 20-day average, leaving the end of the correction unconfirmed [1] Group 2 - Current focus is on the overall reverse or anti-dip direction within a 20-day cycle, reflecting a personal observation of market momentum [2]