Group 1 - The report indicates that buying stocks with "earnings exceeding expectations" during the mid-year reporting season does not yield sustained relative returns, as the market quickly digests the positive impact, unlike the first quarter reports which provide ongoing excess returns [3][12][20] - The mid-year reporting season exhibits severe growth illusion, making it difficult to construct effective stock selection strategies based on the relationship between earnings growth and the extent of exceeding expectations [4][31][36] - The "dilemma reversal" strategy is highlighted as a more effective approach for performance discovery during the mid-year reporting season, where stocks with downward earnings expectations in the first quarter but upward adjustments in the mid-year show significant advantages in relative returns [4][37][43] Group 2 - As of September 3, 2025, the proportion of stocks exceeding earnings expectations is 21.78%, lower than the historical average of 25.48%, but shows a significant recovery from the 15.53% low in 2024, indicating a positive shift in earnings expectations [5][54] - The report notes that only the non-bank financial, banking, and non-ferrous metal sectors have a higher proportion of upward earnings adjustments compared to downward adjustments, suggesting a lack of mainline opportunities for performance verification across industries [5][56] - The overall performance of the A-share market remains in a bottom-seeking phase, with the net profit growth rate for the Wind All A Index declining from 3.46% in the first quarter to 1.31% in the second quarter of 2025, indicating ongoing struggles in revenue and profit growth [53][54]