On July 5, Gelonghui, the network security plate rose in early trading, Ren Zixing and Guohua net rose by the daily limit, Qianxin rose by more than 8%, Blue Shield shares and Green League Science and Technology rose by more than 7%, and Beixinyuan, 360 and so on rose. Yesterday, China released a notice on the removal of "DiDi" App, saying that according to the report, testing and verification showed that "DiDi" App had serious problems in collecting and using personal information in violation of laws and regulations. Anxin Securities said that referring to the official website of relevant departments, DiDi is the first company to publicly carry out network security review since the introduction of the "Network Security Review measures". With the Didi incident fermenting, capital markets began to pay attention to the opportunities of relevant sectors. Some private equity people and researchers said that the two sectors of cyber security and Xinchuang may break out as a result of the Didi incident. Among them, network security is particularly worthy of attention. According to Wind, the market capitalization of this sector is more than 550 billion yuan, and the number of shareholders of related listed companies is more than 1.88 million.