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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.The central parity of RMB against the US dollar was reported at 7.1876, down by 22 points; The median price of the previous trading day was 7.1854, the official closing price of the previous trading day was 7.2630, and it closed at 7.2700 last night.Kangxinuo said on the interactive platform that the company is promoting the research and development of a variety of innovative vaccines, submitting applications for related matters in accordance with the guiding principles of CDE, and actively communicating and reporting.

Yin Xiyue continued to exercise the presidential power to submit the consent of the appointment of the chief justice to the National Assembly. According to the information system of the Korean National Assembly's motion, South Korean President Yin Xiyue submitted the consent of the appointment of the chief justice to the National Assembly on the 12 th, and said that "with the end of the term of office of the chief justice, in order to appoint a successor judge, the consent of the National Assembly is requested." Yin Xiyue delivered a speech to the people on the 12th, refused to end his term of office ahead of schedule, and successively approved 42 bills and enforcement orders, and also submitted a consent case for the appointment of the chief justice to continue to exercise the presidential power. According to the Korean Constitution, the Chief Justice shall be submitted by the President of the Grand Court of Korea (the High Court) and appointed by the President with the consent of the National Assembly. (CCTV News)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.Look at the picture: The increased confidence of Japan's large-scale manufacturing industry indicates that the economic development is in line with the Bank of Japan's forecast. Before the Bank of Japan's policy meeting next week, the confidence of Japan's large-scale manufacturing industry has increased. According to the quarterly short-term report released by the Bank of Japan on Friday, the short-term survey index of Japan's large manufacturing industry rose slightly to 14 in December, with an estimated 13. The short-term survey index of large non-manufacturing industry decreased slightly from 34 to 33. Small businesses' confidence in manufacturing and service industries has also improved, although the outlook has slightly weakened or remained unchanged. The short-term report has attracted the attention of the Bank of Japan and is the last batch of major domestic data that will be carefully studied before the interest rate decision on December 19. This result shows that Japan's economic development is in line with the forecast of the Bank of Japan and is a condition for further interest rate hike. Compared with December, economists are more inclined to expect the Bank of Japan to take action in January next year, but still believe that the risk of raising interest rates next week is high.

Affected by martial law, the support rate of South Korean President Yin Xiyue fell to a record 11%.Hailian Jinhui invested 20 million yuan to set up an auto parts company in Wuhu. According to the enterprise search APP, Wuhu Hailian Jinhui Auto Parts Co., Ltd. was established recently, with the legal representative of Wang Weichao and the registered capital of 20 million yuan. Its business scope includes: manufacturing of auto parts and accessories; Mold manufacturing; Sales of metal materials; New material technology research and development, etc. Enterprise investigation shows that the company is indirectly wholly-owned by Hailian Jinhui.In the exchange market, the national debt rose the most, with "National Debt 2404" rising more than 4%, "National Debt 23", "Special Country 24 03" and "Special Country 24 01" rising nearly 1%.