Zheng Quan Shi Bao Wang·2025-09-22 10:40Market Overview - On September 22, the Shanghai Composite Index closed at 3828.58 points, up 0.22%, with a trading volume of 941.8 billion yuan. The Shenzhen Component Index rose 0.67% to 13157.97 points, with a trading volume of 1179.69 billion yuan. The ChiNext Index increased by 0.55% to 3107.89 points, with a trading volume of 547.49 billion yuan. The STAR Market 50 Index gained 3.38% to close at 1408.64 points, with a trading volume of 114.2 billion yuan. The total trading volume of both markets was 2121.49 billion yuan, a decrease of 202.3 billion yuan from the previous trading day [1]. Sector Performance - The electronic, precious metals, computer, machinery, securities, and automotive sectors showed strong performance, while the beauty care, retail, food and beverage, construction decoration, oil and petrochemicals, banking, education, and building materials sectors experienced declines. Notably, the storage chip, Apple, AI mobile phone, synchronous reluctance motor, computing power, cultivated diamonds, and other concepts were active [2]. - Among the stocks, 2104 rose, 2951 fell, and 91 remained flat, with 73 stocks hitting the daily limit up and 15 hitting the limit down [2]. Individual Stock Highlights - Tianpu Co., Ltd. achieved a remarkable 14 consecutive limit-up days, leading the market in this regard. Other notable stocks included *ST Zhengping with 7 consecutive limit-ups, Hangzhou Electric with 5, and Yunnan Tourism with 4 [5]. - The top net inflow stocks included Lingyi Technology with a net inflow of 1.733 billion yuan, followed by Yingwei Technology, Shanzigaoke, Luxshare Precision, and others, with net inflows ranging from 1.05 billion to 820 million yuan [9][10]. - Conversely, Shenghong Technology faced the highest net outflow of 1.644 billion yuan, followed by Xinyi Sheng, OFILM, Ganfeng Lithium, BYD, and Sunshine Power, with net outflows between 1.116 billion and 524 million yuan [11][12]. Institutional Activity - Institutional investors net bought 349.477 million yuan worth of stocks, with the highest net purchase in Jucheng Co., Ltd. at approximately 359.4 million yuan. Other significant net purchases were seen in Chip Original Co., Yingwei Technology, and others [14][15].