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The Hang Seng Index and Hang Seng Technology Index both fell more than 1%.Zheshang Securities: It does not rule out the possibility of lowering the RRR and cutting interest rates at the same time before the end of the year. Zheshang Securities research report said that this central economic work conference went further on the basis of the previous Politburo meeting, and clearly put forward "timely RRR reduction and interest rate reduction". Combined with the central bank's statement on the RRR reduction space in late September, it is expected that there will be a 50-basis-point RRR reduction before the end of the year, which will greatly promote interest rate reduction in the first quarter of next year, and even does not rule out the possibility of simultaneous RRR reduction and interest rate reduction before the end of the year. We are optimistic that the equity market and the bond market will step out of the double bull market in the process of gradual policy development.The 28th meeting of the China-ROK Joint Economic and Trade Commission was held in Seoul, South Korea. On the 12th, Vice Minister of Commerce Li Fei co-chaired the 28th meeting of the China-ROK Joint Economic and Trade Commission with Vice Minister of Foreign Affairs Jiang Renxian in Seoul, South Korea. The two sides exchanged views on deepening China-ROK industrial chain supply chain, trade and investment, regional and multilateral cooperation, pragmatically promoted related matters, and reached broad consensus.

The main contract of the container transport index (European line) rose by 150.2 points in the day, and now it is reported at 2567.8 points, an increase of 6.21%.The negative spread of 10-year treasury bonds between China and the United States has expanded to more than 250BP, the largest since June 2002.The net outflow of the main market exceeded 10 billion.

The Hang Seng Index and Hang Seng Technology Index both fell more than 1%.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.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.