北交所周观察第二十八期：5月北证50指数创历史新高，北证指数修订进一步彰显投资价值

Group 1 - The North Exchange 50 Index increased by 5.83% in May 2025, outperforming other major indices such as the ChiNext and the ChiNext 50 Index [4][7][11] - In the first five months of 2025, the North Exchange 50 Index rose by 36%, significantly ahead of other indices, with the Sci-Tech 200 and CSI 2000 also showing gains of over 8% [4][7][11] - The transportation, defense, and beauty care sectors led the gains in May 2025, with 28 companies achieving a rise of 20% or more, and six companies exceeding 40% [4][13][16] Group 2 - The trading volume and turnover on the North Exchange decreased in May 2025, reaching 28.473 billion shares and 604.841 billion yuan, while the average daily turnover increased from 30 billion yuan in April to 31.8 billion yuan in May [4][18][19] - The monthly turnover rate for May 2025 was 77%, slightly down from 80% in April [4][20] - As of May 30, 2025, the overall price-to-earnings (PE) ratio of the North Exchange A-shares reached 49 times, which is 145% of the ChiNext's valuation and 92% of the Sci-Tech Board's valuation [4][22][23] Group 3 - The North Exchange announced adjustments to the North Exchange 50 sample stocks, with five companies being added, effective June 16, 2025 [4][24][25] - The North Exchange's index calculation and maintenance rules were revised for the first time since September 2022, aiming to enhance the investment value of the North Exchange 50 Index [4][26][27] - The report suggests that institutional investors should adopt a cautious approach, focusing on stable growth companies and sectors with unique market positions, such as high-end manufacturing and consumer industries [4][28]