长芯博创股价下跌5.2% 盘中振幅超10%

Group 1 - The stock price of Changxin Bochuang closed at 86.28 yuan on July 31, 2025, down by 4.73 yuan, a decrease of 5.20% from the previous trading day [1] - The stock opened at 93.05 yuan, reached a high of 94.76 yuan, and a low of 85.40 yuan, with an overall trading range of 10.28% [1] - The trading volume was 341,100 hands, with a total transaction amount of 3.047 billion yuan [1] Group 2 - Changxin Bochuang's main business is communication equipment manufacturing, with key products including optical communication modules [1] - The company is part of concept sectors such as copper cable high-speed connections and CPO concepts [1] - On the afternoon of July 31, the PCB concept sector declined overall, leading to a drop in Changxin Bochuang's stock price [1] Group 3 - On the same day, the net outflow of main funds was 67.5129 million yuan, accounting for 0.29% of the circulating market value [1]