Group 1 - The new stock market activity has decreased, with the first-day gains and opening valuations of new stocks on the Sci-Tech Innovation Board and the Growth Enterprise Market both declining in May [2][3][14] - In the past week, 33 new stocks listed in the last six months recorded positive gains, accounting for 68.75%, down from 83.33% previously [2][14] - The first-day gain of Hanbang Technology on the Sci-Tech Innovation Board was 115.20%, with an opening valuation of 50.90 times [2][18] - The first-day gain of Zairun New Energy on the Growth Enterprise Market was 98.12%, with an opening valuation of 30.86 times [2][29] Group 2 - The first-day opening price-earnings ratio (PE) for new stocks on the Sci-Tech Innovation Board decreased to 50.90 times in May, down from 154.01 times in March [20] - The first-day opening PE for new stocks on the Growth Enterprise Market was 30.86 times in May, down from 58.65 times in April [30] - The first-day gains for new stocks on the Main Board were 197.82% in April, down from 289.09% in March [40] Group 3 - The report highlights key new stocks that have recently been listed, including Victory Nano (semiconductor third-party testing laboratory) and Silicon Electric (semiconductor probe station equipment) [5][58] - The report also identifies upcoming new stocks awaiting approval, such as Yitang Co., Ltd. (dry degluing/rapid heat treatment equipment) and Yingstone Innovation (consumer-grade panoramic cameras) [50][51] - The report emphasizes the competitive landscape in the blood purification market, where domestic manufacturers are gradually replacing foreign brands in the hemodialysis market [54][55]
新股周报（2025.05.19-2025.05.23）：5月份科创板、创业板新股首日涨幅和开板估值均下降-20250519