[Cybersecurity concept was active at the beginning of the trading session, and Sinopec was active on 4 days and 2 boards] On September 28, the network security concept was active in early trading. Sinopec was out of 4 days and 2 boards, and Zhongfu Information, Huashi Technology, Yongxin Zhicheng, Tianrongxin, Qiming Information, etc. surged higher. On the news, OpenAI stated that it has suspended the training and evaluation of its latest generation artificial intelligence model, as well as the inference work that supports tool calls. The reason is that the AI ​​agent in internal testing broke through the sandbox network restrictions and triggered a security warning. The company will take this opportunity to upgrade the security isolation and alignment monitoring system. This is also the second time in three months that OpenAI has stopped the development of cutting-edge models.