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The retail sector moved up for 8 days and 5 boards of Zhongbai Group, while the retail sector moved up for 8 days and 5 boards of Zhongbai Group, with the daily limit of Youa shares, and Dashang shares, wenfeng shares, Xujiahui and Jiajiayue rose rapidly.The three major stock indexes opened lower, with the Shanghai Composite Index down 0.19%, the Shenzhen Component Index down 0.29% and the Growth Enterprise Market down 0.15%.TikTok submitted an application to the federal court of Canada to challenge the Canadian government's order to close the company's office. On December 11th, local time, TikTok Canada Branch announced that it had submitted an application to the federal court for review of the government's order to close TikTok's business in Canada. TikTok said that this order will cost hundreds of hard-working local employees their jobs and livelihoods, and they support the community with more than 14 million Canadian users on TikTok every month. TikTok said that it is in the best interest of Canadians to find a meaningful solution and ensure that the local team continues to exist with the TikTok platform. (Interface News)

IBM's new optical technology can greatly speed up the training of AI models. IBM announced the development of a new optical technology, which can train AI models at the speed of light and save energy greatly. The company said that by applying this breakthrough to the data center, the energy saved by training an AI model is equivalent to the energy consumption of 5,000 American families in one year.Wei Shaojun, China Semiconductor Industry Association: We should vigorously develop chip design technology that does not depend on advanced technology. Wei Shaojun, chairman of the Integrated Circuit Design Branch of China Semiconductor Industry Association, said today that with the closure of chip design enterprises in China by external advanced processing resources, the manufacturing technologies that can be used by chip design enterprises in China are no longer as rich as before, and it is necessary to pay attention to the design technology that does not depend on advanced technology in technological innovation. Among them, there are two technical paths worth exploring. One is the innovation of architecture, which has been suggested by the industry that it is the golden age of computer architecture innovation. The second is micro-system integration, and the three-dimensional integration technology evolved from packaging technology is gradually moving towards the foreground. (Reporter Guo Hui)Low-priced stocks were active repeatedly, and Mei Yan walked out of four boards in five days. In addition, more than 20 constituent stocks such as Pingtan Development, Smart Agriculture, Jin Zhengda, Zhongnan, Xiamen Industrial Co., Ltd. and Yabo Co., Ltd. had daily limit.

The first demonstration in China! Seiko Technology's high-performance PAN fiber technology has made key progress, and Seiko Technology's high-performance fiber precursor (polymerization process) "The first demonstration of safety and reliability of chemical process used in China" has successfully passed the evaluation of the expert group, which indicates that Seiko Technology's carbon fiber precursor preparation technology can be applied to industrialization on a large scale. On December 7th, Zhejiang Petroleum and Chemical Industry Association, entrusted by Zhejiang Emergency Management Department, organized and held the review meeting of "Demonstration of Safety and Reliability of Chemical Process Used for the First time in China" for high-performance PAN fiber in Hangzhou. Seiko Technology received a reply letter on December 10th.The weighted share price index of Taiwan Stock Exchange fell 1% to 22,893.62 points.Yiming food hit the daily limit and recorded 12 consecutive boards, and Yiming food hit the daily limit and recorded 12 consecutive boards, with a turnover of 517 million yuan.