次新市场周报（2025年5月第2周）：新股首日涨幅收敛，申购收益增厚有限-20250519

Group 1: New Stock Performance - In the second week of May, the average first-day increase of newly listed stocks converged to around 100%, with two new stocks contributing to A/B class investors' single account profits of 96,000 / 95,700 CNY[39] - The new stock index and the near-term new stock index rose by 1.63% and 3.87% respectively, leading the market[6] - The new stock index's deviation from the Shanghai Composite Index decreased to 143.63%[8] Group 2: Market Trends and Trading Activity - The trading activity in the new stock sector continued to rise, with turnover rates for the new stock index and near-term new stock index increasing by 1.75 percentage points and 1.60 percentage points respectively[18] - The total market capitalization of newly released stocks in the second week of May was 14.09 billion CNY, with a significant drop in the expected new stock unlock market value to only 1.90 billion CNY in the third week[35] - The overall average increase of 46 newly listed stocks in the past six months was 3.04%, indicating a sustained upward trend in the new stock sector[44] Group 3: Valuation Metrics - As of May 16, the price-to-earnings (PE) ratio for the new stock index was 51.3X, while the near-term new stock index was 34.9X, reflecting a divergence in valuation changes[13] - The price-to-book (PB) ratio for the new stock index was 4.1X, corresponding to a historical percentile of 70.3%[16] - The net active selling in the new stock sector was 1.84 billion CNY, with institutional investors net buying 185 million CNY during the same period[24]