铜冠铜箔股价下跌6.46% 盘中振幅达9.52%

Group 1 - The stock price of Tongguan Copper Foil is 30.57 yuan, down 2.11 yuan from the previous trading day [1] - The stock opened at 32.40 yuan, reached a high of 33.42 yuan, and a low of 30.31 yuan, with a trading volume of 486,438 hands and a transaction amount of 1.526 billion yuan [1] - Tongguan Copper Foil is primarily engaged in the research, production, and sales of electronic copper foil, which is widely used in the electronic information and new energy sectors [1] Group 2 - On August 21, the stock experienced rapid fluctuations, with a rebound of over 2% within 5 minutes at 9:35 AM, followed by a decline of over 2% within 5 minutes at 9:40 AM [1] - Data shows that on August 21, the net outflow of main funds from Tongguan Copper Foil was 161.18 million yuan, accounting for 0.64% of the circulating market value [1] - Over the past five trading days, the cumulative net outflow of main funds reached 233.06 million yuan, representing 0.92% of the circulating market value [1]