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The three major indexes all fell by more than 1%, with nearly 4,200 stocks, and the index weakened sharply. The Shanghai Composite Index fell by more than 1%, the Shenzhen Component Index fell by 1.24%, and the Growth Enterprise Market Index fell by 1.45%. Securities, real estate and photovoltaics were among the top losers, with nearly 4,200 stocks falling in Shanghai, Shenzhen and Beijing.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)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.

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.Microsoft: The latest small language model PHI-4, which is specially used for complex reasoning, is introduced.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.

Tik Tok bean bag concept stocks opened lower and went higher, three-dimensional communication rose daily, Zhejiang-Wenzhou Internet, Zhangyue Technology and Guangbo shares rose sharply.Inter-bank cash bonds are strong as a whole, and national debt and CDB active bonds are down by 3-5bp. The 5-year treasury bonds and CDB active bonds went down by about 5bp, and "24 Treasury bonds with interest 20" reported 1.42%, which was a record low compared with yield to maturity, a Chinese bond in the same period, and "24 CDB 08" reported 1.515% in the same period, a record low since January 26th, 2006. The 10-year "24 interest-bearing treasury bonds 11" initially declined, and now it remains below 1.8%.China, with the largest plantation area in the world, has become the country with the greatest contribution to greening in the world. In the past 30 years since the signing of the United Nations Convention to Combat Desertification, China has made remarkable achievements in combating desertification, especially since last June, China has launched the "Three North" project. At present, the forest coverage rate in the "Three North" project area has increased from 5% in the 1970s to 13.84%. By the end of 2023, the forest coverage rate in China exceeded 25%, the forest stock exceeded 20 billion cubic meters, and the plantation area ranked first in the world, making it the most green country in the world. (CCTV News)