微盘股指数周报：证监会修改《重组办法》，深化并购重组改革

Investment Rating - The report maintains a positive outlook on the micro-cap stock index, indicating a favorable investment environment following regulatory changes [3][13]. Core Insights - The recent modification of the "Major Asset Restructuring Management Measures" by the China Securities Regulatory Commission allows for cross-border mergers and acquisitions, which is seen as a significant positive for micro-cap stocks [3][13]. - The micro-cap stock index has shown strong performance, ranking first among 38 broad indices over the past month with a 12.51% increase and a 68.6% increase over the past year [4][14][24]. Summary by Sections 1. Overview of Micro-Cap Stock Index Performance - The micro-cap stock index increased by 1.58% over the past week, ranking 5th among 38 indices [4][14]. - Over the past month, the index rose by 12.51%, ranking 1st [4][19]. - In the last quarter, the index saw a 17.17% increase, also ranking 1st [4][20]. - The annual performance shows a significant increase of 68.6%, ranking 2nd [4][22][24]. 2. Factor Performance of Micro-Cap Stocks - The top-performing factors this week include standardized expected earnings (0.154), leverage (0.127), and quarterly net profit growth (0.102) [5][14][28]. - The bottom-performing factors include momentum (-0.08) and growth factors (-0.032) [5][14][28]. 3. Diffusion Index Observations - The diffusion index remains high but has shown a slight decline, indicating potential sell signals if the trend continues [6][15][33]. - The first threshold method triggered a sell signal on May 8, 2025, while the delayed threshold method provided a buy signal on April 22, 2025 [6][15][36][40]. 4. Calendar Effects - The micro-cap stock index has shown positive average returns on Tuesdays and Thursdays, while Mondays and Wednesdays have negative average returns [7][16]. - The index achieved an 84% win rate in February and a 90% win rate in March and May [7][16]. 5. Micro-Cap Stock Related Fund Performance - The highest-performing micro-cap fund this week yielded 2.79%, while the lowest yielded 0.35% [16][43].