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Cai Weidong was appointed as the deputy secretary of the Party Committee of Shentong Metro Group. According to the news of Shentong Metro Group, on the afternoon of December 11th, Shentong Metro Group held a leadership adjustment announcement meeting. At the meeting, the Organization Department of the Municipal Party Committee announced that Cai Weidong was appointed as the deputy secretary of the Party Committee of Shanghai Shentong Metro Group Co., Ltd., and Ge Shiping was removed from the post of deputy secretary of the Party Committee of Shanghai Shentong Metro Group Co., Ltd.Economic Daily: "Stabilizing the stock market" strongly guides stabilizing expectations. The article said that the key to stabilizing the stock market is to stabilize confidence. Recently, the stock market has been active in trading, and investors' confidence in the economic improvement and corporate profits has improved. All parties look forward to leveraging the stock market as the entry point to further stabilize the economy and steady growth. This expectation can only form a continuous positive feedback if it is mutually reinforced with the positive signals on the economic side. In the future, it is necessary to continue to improve the forward-looking, targeted and effective macro-control, urge all localities and departments to implement the defined policies and measures as soon as possible, solidly promote the economic upward, structural improvement and sustained development, and promote confidence boost and a virtuous circle and spiral rise in economic fundamentals.GF Securities maintained the "Buy" rating of Giant Bio with a reasonable value of HK$ 55.72.

The situation in Syria has turned around? The airport in Damascus will be reopened after lifting the curfew. On the 11th local time, the Syrian "Sharm Liberation Organization" announced the lifting of the curfew in the capital Damascus since the 8th, and called on the Syrian people to return to work. On the same day, the person in charge of Damascus International Airport said that the airport will be reopened in "the next few days" and flights can be resumed quickly. (CCTV News)Front page of China Securities Journal: Give better play to the role of "stabilizer". The reform of the investment side of the capital market has been solidly promoted. The front page of China Securities Journal stated that efforts should be made to break through the blocking points of social security, insurance, wealth management and other funds entering the market, steadily promote the reform of industry rates in Public Offering of Fund, and vigorously develop equity funds, especially indexed investment ... Recently, the reform of the investment side has been accelerated, helping to improve the function of the capital market in which investment and financing are coordinated. Market participants expect that in the next stage, around the key directions such as guiding "long money" to enter the market, enriching the product system, and promoting the development of indexed investment, the reform of the investment side will continue to be solidly promoted, and more new measures are expected to be researched and introduced, which will introduce more incremental funds to the market and better play its role as a "stabilizer" of the market. The market expects that the acceleration of investment-side reform will significantly increase the scale and proportion of medium and long-term capital investment, promote the long-term investment behavior and enhance the inherent stability of the capital market.Make professional investment easier, explore the application of AI big model in the financial field, and actively embrace big model technology in the financial field. Since the beginning of this year, both financial data terminals and financial technology leaders have actively launched applications based on large models. Related applications are concentrated in high-frequency fields such as man-machine dialogue, intelligent investment and research, and intelligent investment and care, which makes the function of artificial intelligence in assisting investment gradually perfect. Many interviewees said that with the help of artificial intelligence technology, ordinary investors can realize professional-level analysis and decision-making process. This means that the "inclusive" era of professional investment will accelerate. (SSE)

Scientists observed semi-Dirac fermion for the first time, and scientists from Pennsylvania State University and Columbia University joined hands to observe a special kind of quasi-particle-semi-Dirac fermion for the first time. Such quasi-particles have mass when moving in one direction, but lose mass when moving in the other direction. The researchers said that in-depth research on these quasi-particles is expected to promote the development of next-generation batteries, sensors and other technologies. Related papers were published in the new issue of Physical Review X.Making it easier for the people to see a doctor, the construction of a close-knit county medical community has entered the fast lane. According to the news of the National Health and Wellness Commission, up to now, more than 2,100 counties and districts across the country have carried out the construction of a close-knit county medical community, which has achieved a comprehensive push by the province. County medical community refers to the county medical service system with county hospitals as the leader, township hospitals as the hub and village clinics as the foundation, and forms a service community, a responsibility community, a benefit community and a management community. Since the beginning of this year, China has accelerated the sinking of personnel-centered resources in county medical communities, implemented the sinking of service, technology and management at the same time, and carried out mobile medical treatment and mobile consultation. More than 90% of counties in the country have achieved full coverage of county-level hospital personnel stationed in township hospitals. All localities have accelerated the construction of resource sharing centers in counties such as medical imaging, medical examination and ECG diagnosis, and promoted grassroots inspection, superior diagnosis and mutual recognition of results, so that people can enjoy convenient and high-quality inspection and diagnosis services at the grassroots level. At present, the image center has covered more than 70% of township hospitals in China. (CCTV)List of A-share share repurchase: 16 companies disclosed the progress of repurchase, and on December 12, a total of 16 companies issued announcements related to share repurchase. Among them, four companies disclosed the stock repurchase plan for the first time, two companies' repurchase plans were approved by the shareholders' meeting, four companies disclosed the implementation progress of stock repurchase, and six companies' repurchase plans have been implemented. Judging from the initial disclosure of the repurchase plan, the amount of a company's stock repurchase plan on that day exceeded 10 million. Nanshan aluminum, Longzhu Science and Technology and Longzhu Science and Technology have the highest repurchase plans, and they plan to repurchase no more than 600 million yuan, 5,895,100 yuan and 1,171,000 yuan respectively. Judging from the repurchase plan passed by the shareholders' meeting, the repurchase plans of two companies exceeded 10 million on that day. Huaan Securities and Tongkun have the highest repurchase amount, with the planned repurchase not exceeding 200 million yuan and 51,966,700 yuan respectively. Judging from the implementation progress of repurchase, Shunluo Electronics, Shengquan Group and Hailiang have the highest repurchase amounts, with 9.009 million yuan, 3.8251 million yuan and 3.5187 million yuan respectively. Judging from the completed repurchase, the repurchase amount of four companies on that day exceeded 10 million. Chengda Pharmaceutical Co., Ltd., Jinshi Resources Co., Ltd. and Yingfangwei Co., Ltd. have completed the highest repurchase amounts, with 57,061,600 yuan, 53,158,000 yuan and 31,405,600 yuan respectively.