特发信息股价震荡下行 盘中振幅达4.7%

Group 1 - The stock price of TeFa Information closed at 9.90 yuan on August 20, 2025, down 1.10% from the previous trading day [1] - The stock experienced significant volatility, reaching a high of 10.22 yuan and a low of 9.75 yuan, with an amplitude of 4.70% [1] - The total trading volume for the day was 904,500 hands, with a transaction amount of 900.1 million yuan [1] Group 2 - TeFa Information's main business includes the research and production of optical fiber cables and communication equipment, which are applied in telecommunications, electricity, and transportation sectors [1] - The company is headquartered in Shenzhen and has a strong influence in the Guangdong region [1] Group 3 - On August 20, the net outflow of main funds was 38.19 million yuan, with a cumulative net outflow of 448 million yuan over the past five trading days [1] - During intraday trading, the stock price fluctuated more than 2% within a 5-minute period in the morning session [1]