Group 1 - The market experienced a slight rebound after a significant drop last Friday, with a final increase of 0.05%, indicating a temporary recovery despite ongoing cautious sentiment among investors [3] - Over 4,200 stocks rose, particularly in sectors like AI applications and commercial aerospace, which saw a surge in trading activity [3] - Trading volume decreased by 250 billion, suggesting many investors remain in a wait-and-see mode, making sustained rebounds challenging [3] Group 2 - Technical analysis indicates that after last weekend's significant drop, an adjustment phase was expected, with individual stocks recovering but overall index strength remaining limited [5] - The lack of movement in heavyweight stocks contributed to the muted index rebound, with indices like the 500 and 300 still showing negative performance [5] - There is potential for a rebound in heavyweight stocks, which could provide further support to the index following the individual stock recovery [5]