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As of the close of early trading, the Nikkei 225 index fell by 1.2% and the Dongzheng index fell by 1.3%.District 9 of Beijing issued a gale warning. At present, Huairou, Yanqing, Changping, Haidian, Mentougou, Fangshan, Chaoyang, Pinggu and Shijingshan have issued a blue gale warning signal. Today, the wind-cold effect is obvious, and the body feels cold. We should pay attention to wind and cold protection, and stay away from temporary structures such as billboards and tall trees, and do a good job in outdoor aerial work.Huichuan Technology's newly established subsidiary contains a number of AI businesses. The enterprise search APP shows that Beijing Huichuan Technology Co., Ltd. was recently established with Guo Lipeng as the legal representative and a registered capital of 300 million yuan. Its business scope includes: artificial intelligence theory and algorithm software development; Basic resources and technical platform of artificial intelligence; General application system of artificial intelligence; Artificial intelligence application software development, etc. Enterprise investigation shows that the company is wholly owned by Huichuan Technology.

Musk: Grok can now generate four images at the same time and render them step by step.Tao Lin: Tesla won four firsts in the evaluation of "User Satisfaction Index of New Energy Automobile Industry in China in 2024". Tao Lin Weibo, global vice president of Tesla, issued a document saying: Share a good news with friends. In the evaluation result of "NEV-CACSI of New Energy Automobile Industry in China in 2024" recently released by china association for quality, Won four firsts: Model 3 is the pure electric medium-sized car with the highest user satisfaction, Model Y is the pure electric medium-sized SUV with the highest user satisfaction, the first in sales service satisfaction and the first in after-sales service satisfaction.A small plane crashed on a highway in New York, USA, causing one death and one injury. On the evening of December 12, local time, a small plane crashed on a highway in Westchester County, New York, USA, killing one of the two people on board and injuring the other. It is reported that the plane crashed into the guardrail in the middle of the highway. Emergency rescue vehicles blocked all the lanes of the accident section, and the environmental protection department has rushed to the scene to clean up the leaked aviation fuel.

The CSI convertible bond index closed down 0.42% at midday, while Z-mode convertible bond, Tongguang convertible bond and future convertible bond fell 8.76%, 6.00% and 5.21% respectively. Lide convertible bonds rose by 20.00% and Guiguang convertible bonds rose by 7.60%.Shenzhen recently released four overcharge standards. According to the news of "Shenzhen Release", yesterday, the reporter learned from the Shenzhen Municipal Market Supervision Administration that Shenzhen has made further progress in promoting the construction of electric vehicle charging facilities, and recently took the lead in releasing four overcharge standards. At present, Shenzhen has issued six leading local standards for overcharging, including the grading evaluation standard for decentralized charging facilities for electric vehicles, grading evaluation standard for centralized charging stations for electric vehicles, long-term failure judgment standard for charging equipment for electric vehicles and management standard for construction of charging facilities for electric vehicles in residential quarters. As of December 5, Shenzhen has guided the construction of 913 overcharging stations, added 121,000 charging facilities and upgraded 3,047 old piles. The official implementation of the four latest overcharge standards issued by Shenzhen indicates that Shenzhen has taken another solid step on the road of building an "overcharged city".The Third Green Conference of Electronic Information Industry was held in Beijing. According to the Ministry of Industry and Information Technology, on December 11th, China Institute of Electronic Technology Standardization held the Third Green Conference of Electronic Information Industry in Beijing. At the meeting, relevant comrades of the Department of Energy Conservation and Comprehensive Utilization of the Ministry of Industry and Information Technology said that the electronic information industry is an important strategic and basic industry, and it is also a key industry to vigorously promote green development. The Ministry of Industry and Information Technology has adopted a series of policy measures around strengthening source control, promoting green manufacturing, and strengthening resource recycling, so as to promote the green development of the entire process and chain of the electronic information industry and help the construction of new industrialization. Relevant experts, scholars and business representatives conducted extensive exchanges on topics such as the control of harmful substances in electrical and electronic products, green supply chain management, and coordinated development of digital green.