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The central bank's open market today launched a 7-day reverse repurchase operation of 205.1 billion yuan, and the operating interest rate was flat at 1.50%. Today, 190.9 billion yuan of 7-day reverse repurchase expired, and the net investment on that day was 14.2 billion yuan.Zongheng Communication established a new science and technology company in Zhejiang. The enterprise search APP shows that recently, Zongheng Cross-border Technology (Zhejiang) Co., Ltd. was established with Xu Shasha as its legal representative and a registered capital of 10 million yuan. Its business scope includes: sales of information security equipment; Network equipment sales; Internet of things technical services, etc. Enterprise equity penetration shows that the company is wholly owned by Zongheng Communication.Most gold stocks in Hong Kong stocks fell, and Lingbao Gold fell by nearly 5%. As of press time, Lingbao Gold (03330.HK) fell by 4.75%, Zijin Mining (02899.HK) fell by 2.82% and Zhaojin Mining (01818.HK) fell by 2.75%.

The Nikkei 225 index fell to 1%.Chongda Technology: Five measures are taken to deal with the challenges and opportunities of industry development. Chongda Technology (002815) said in the online collective reception day of investors on December 12 that the company's measures to deal with the challenges and opportunities of industry development include: optimizing product structure, continuing to promote the optimization and upgrading of product structure, increasing R&D investment and market expansion in the field of high-end PCB boards, and accelerating the introduction of high-value customers and orders; Improve production efficiency and cost control; Accelerate the pace of capacity expansion, and promote the speed of capacity improvement of Dalian Plant, Zhuhai No.1 Plant and Zhuhai No.2 Plant in an orderly manner; According to market demand, adjust product price strategy in real time to improve profitability; Accelerate the construction of production base in Thailand, actively participate in international competition and cooperation, and enhance the company's visibility and influence in the global PCB market.Xray, an important partner of Yizhizhuang, officially announced a strategic cooperation with Google. According to Yizhizhuang, at the Android XR conference held in new york, Google officially announced a strategic cooperation with Xray to jointly build the Android XR ecosystem. This cooperation not only highlights XREAL's position as the world's largest manufacturer of AR glasses, but also marks a new stage of accelerated popularization of XR industry. It is noteworthy that Lingyizhi, as a long-term strategic partner of XREAL, provides key components and assembly services for XREAL AR glasses.

Putin: China has made great strides in technological development. According to a report by the Tass news agency on December 11th, Russian President Vladimir Putin said at the international conference on "Journey of Artificial Intelligence" on December 11th that China is making great strides in technological development. According to the report, Putin pointed out in a dialogue with Song Haitao, president of Shanghai Institute of Artificial Intelligence: "China is making great strides in technological development and application of the most important technological development tools. Of course, the artificial intelligence you study is one of the most important tools. " Song Haitao told Putin that the Shanghai Institute of Artificial Intelligence plans to sign a memorandum of cooperation with the Russian Federal Savings Bank to promote technical research in the field of artificial intelligence. Putin said: "I am very happy to hear that you are going to sign a contract with the Russian Federal Savings Bank. I think this is meaningful for you and the Russian Federal Savings Bank. " (World Wide Web)The change in the concept of ice and snow industry has boosted the daily limit of iceberg cold and snowman shares, while the change in the concept of ice and snow industry has boosted the daily limit of iceberg cold and snow, snowman shares and Rhine Sports, and Sanfu Outdoor, Dalian Shengya, Changbai Mountain and Yuanlongyatu have followed suit.Real estate stocks fluctuated lower, with Gorgeous Family, Qixia Construction, Everbright Jiabao and Tiandiyuan falling more than 5%, while urban construction development and Chongqing development followed suit.