Zheng Quan Shi Bao Wang·2025-09-19 09:39Market Performance - The ChiNext Index fell by 0.16%, closing at 3091.00 points, with a total trading volume of 603.66 billion yuan, a decrease of 231.40 billion yuan compared to the previous trading day [1] - Among the tradable ChiNext stocks, 378 stocks closed higher, with 14 stocks rising over 10%, including Yuma Technology, Green Island Wind, and Tianshan Electronics, which hit the daily limit [1] - A total of 990 stocks closed lower, with 3 stocks declining over 10% [1] Turnover Rate - The average turnover rate for the ChiNext today was 4.39%, with 28 stocks having a turnover rate exceeding 20% [1] - The highest turnover rate was for Boliang Optoelectronics at 53.62%, which closed up 14.60% with a trading volume of 2.609 billion yuan [1][3] - Other notable stocks with high turnover rates included *ST Dongtong, Xidian Co., and Lihengxing, with turnover rates of 48.18%, 45.66%, and 43.85% respectively [1][3] Institutional Activity - Six high-turnover ChiNext stocks appeared on the Dragon and Tiger List, with five stocks showing institutional participation [3] - Lihengxing had four institutional seats with a total net purchase of 51.92 million yuan, while Tianshan Electronics had two institutional seats with a net purchase of 45.53 million yuan [3] - Boliang Optoelectronics saw a net sell-off of 131 million yuan despite a net purchase of 629.35 million yuan from the Shenzhen Stock Connect [3] Capital Flow - Among high-turnover stocks, 19 experienced net inflows of main funds, with Boliang Optoelectronics, Wanlima, and Kexin Machinery receiving the most significant inflows of 209 million yuan, 120 million yuan, and 113 million yuan respectively [4] - Conversely, Hanwei Technology, Gaolan Co., and Lihengxing faced the largest net outflows of 364 million yuan, 179 million yuan, and 178 million yuan respectively [4] - Only one high-turnover stock released a performance forecast for the first three quarters, with Aifenda expecting a net profit of 99 million yuan, representing a year-on-year increase of 14.72% [4]