合力泰股价回调3.12% 盘中振幅近8%

Group 1 - The stock price of Helitai closed at 2.79 yuan on August 21, down 0.09 yuan, a decrease of 3.12% from the previous trading day [1] - The opening price on that day was 3.00 yuan, with a maximum of 3.00 yuan and a minimum of 2.77 yuan, resulting in an intraday fluctuation of 7.99% [1] - The trading volume was 4.3146 million hands, with a total transaction amount of 1.241 billion yuan [1] Group 2 - Helitai's main business involves the research, production, and sales of optical optoelectronic products, which are widely used in consumer electronics and smart wearable devices [1] - The company is registered in Fujian Province and is categorized as a central state-owned enterprise reform concept company [1] Group 3 - On August 21, the net outflow of main funds was 114 million yuan, accounting for 0.72% of the circulating market value [1] - Over the past five trading days, the cumulative net outflow was 10.7907 million yuan, representing 0.07% of the circulating market value [1]