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Guosheng Securities: AEC heavy-duty computing industry chain has entered the era of Lian Heng. Guosheng Securities Research Report pointed out that AEC(Active Electrical Cable) is an active cable interconnection scheme, which is mainly used in short-distance high-speed data transmission scenarios in data centers. 1)AEC is expected to become the first step for optical module manufacturers to penetrate downwards. Optical modules need to master photoelectric conversion and high-speed data communication, and DAC/AEC/AOC products have relatively mature technical requirements compared with single-mode/multimode optical module products with longer transmission distance. 2) Copper interconnection is widely used by large CSP not only in NVIDIA. NVIDIA used a large number of high-density copper interconnects in B series products, which made the industry re-recognize the reliability and price advantage of copper interconnects in short-distance scenes. 3) In the era of Lian Heng, domestic manufacturers still have obvious advantages. Chip manufacturers, represented by NVIDIA, have been hoping to conduct a comprehensive industry consolidation and provide customers with a complete set of solutions. What CSP manufacturers want more is the decoupling of the industrial chain, and every link such as GPU, copper connection, optical module and switch can find corresponding suppliers. The heavy volume of AEC and the rise of CSP manufacturer's independent scheme indicate that the computing power industry chain has entered the era of Lian Heng, and we are firmly optimistic about the domestic related computing power industry chain.Industrial Securities: The valuation of insurance stocks is in a relatively reasonable position. The Industrial Securities Research Report pointed out that we should continue to be optimistic about the insurance sector and focus on the targets with better performance stability and stronger dividend insurance sales ability. At present, the valuation of insurance stocks is in a relatively reasonable position, but as a strong beta plate, if the equity market further picks up, it may also perform well. There are three catalytic points for the further opening of the subsequent valuation space: first, the long-term interest rate and the performance of the equity market; Second, the adjustment and optimization process of the asset structure of insurance enterprises; The third is the sales situation of dividend insurance. In particular, dividend insurance sales may exceed expectations, and if verified, it will become an important support for opening up the repair space of insurance valuation. Suggested attention: China Ping An, China Pacific Insurance, New China Life Insurance, etc.According to the International Monetary Fund, the completion of the second project review will provide Jordan with about $131 million.

34 thousand tons! The heaviest single low-pylon cable-stayed bridge in China successfully turned around. At 1: 10 am on December 13th, the overpass crossing Jiaoji Line and Jiaoji Passenger Dedicated Line on Qingping Road in Weifang City began to turn slowly, and the bridge body had to rotate 70 degrees, crossing Jiaoji Line and Jiaoji Passenger Dedicated Line. This swivel bridge weighs 34,000 tons, which is equivalent to the weight of about 20,000 cars. It is the heaviest single pylon cable-stayed swivel bridge in China. At 2: 10 a.m. on the 13th, after 60 minutes of turning, the swivel bridge achieved precise closure and alignment. After the project is completed and opened to traffic, it will run through the northern and southern urban areas of Weifang, improve the traffic network in the west, become a new traffic trunk road in the city, and greatly enhance the smoothness and comfort of urban traffic. (CCTV News)The concept of starting economy continued to strengthen, and the direction of exhibition and IP economy led the rise. Miao Exhibition, Liard and Guangbo shares rose daily, Fengshang Culture and Zhongqingbao rose by more than 10%, and Tianxiaxiu, Dafeng Industry, Silk Road Vision and Aoya shares were among the top gainers.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.

The scale of A500-related funds exceeded 240 billion yuan, and the scale of CSI A500ETF leader (563,800) jumped to the first place in Shanghai. On December 12, the total scale of funds tracking CSI A500 index reached 242.1 billion yuan, which was the fastest index in the history of A-share. In addition, the CSI A500 Index also contributed about one third of the increase in scale index funds since September. Among them, CSI A500ETF leader (563800) has attracted the most gold since its listing on November 18th, with a net inflow of 14.2 billion yuan, and its latest scale has exceeded 16.5 billion yuan, ranking first in Shanghai.34 thousand tons! The heaviest single low-pylon cable-stayed bridge in China successfully turned around. At 1: 10 am on December 13th, the overpass crossing Jiaoji Line and Jiaoji Passenger Dedicated Line on Qingping Road in Weifang City began to turn slowly, and the bridge body had to rotate 70 degrees, crossing Jiaoji Line and Jiaoji Passenger Dedicated Line. This swivel bridge weighs 34,000 tons, which is equivalent to the weight of about 20,000 cars. It is the heaviest single pylon cable-stayed swivel bridge in China. At 2: 10 a.m. on the 13th, after 60 minutes of turning, the swivel bridge achieved precise closure and alignment. After the project is completed and opened to traffic, it will run through the northern and southern urban areas of Weifang, improve the traffic network in the west, become a new traffic trunk road in the city, and greatly enhance the smoothness and comfort of urban traffic. (CCTV News)Japan's Topix index fell to 1%.