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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.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%.The three major indexes all fell by more than 1%, with nearly 4,200 stocks, and the index weakened sharply. The Shanghai Composite Index fell by more than 1%, the Shenzhen Component Index fell by 1.24%, and the Growth Enterprise Market Index fell by 1.45%. Securities, real estate and photovoltaics were among the top losers, with nearly 4,200 stocks falling in Shanghai, Shenzhen and Beijing.

Affected by martial law, the support rate of South Korean President Yin Xiyue fell to a record 11%.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%.Rambler: We have always taken a proactive attitude towards all kinds of co-branded products. rambler said at the shareholders' reception day on December 12 that the company has always taken a proactive attitude towards all kinds of co-branded products, and the future co-branded products will be deeper and closer.

The central bank's open market today launched a 7-day reverse repurchase operation of 205.1 billion yuan, and the operating interest rate was flat at 1.50%. Today, 190.9 billion yuan of 7-day reverse repurchase expired, and the net investment on that day was 14.2 billion yuan.Zijiang Enterprise set up a packaging company in Hubei with 20 million yuan. According to the enterprise search APP, Hubei Zijiang Packaging Co., Ltd. was recently established, with Shao Chunjiang as the legal representative and a registered capital of 20 million yuan. Its business scope includes: the production of plastic packaging containers and tools for food; Sales of plastic packaging containers, tools and products for food. Enterprise investigation shows that the company is wholly owned by Zijiang Enterprise.Shanghai Securities: The pharmaceutical and bio-industry is expected to further repair its performance and valuation. The Shanghai Securities Research Report pointed out that with the support of policies and the adjustment of the internal structure of the industry, the pharmaceutical and bio-industry is expected to further repair its performance and valuation. It is suggested to pay attention to five directions: 1) Innovative drugs (with strong national policy support, the payment terminal is expected to further improve and go to sea to occupy the global market); 2)CXO (the negative impact of the biosafety bill event has been eliminated, and the demand for orders in the superimposed interest rate reduction cycle has increased, which is expected to usher in a double repair of performance and valuation); 3) Imitation and innovation (centralized procurement is expected to clear up, increase innovation, and traditional pharmaceutical companies will usher in new opportunities); 4) Traditional Chinese Medicine (the national policy supports the innovation of traditional Chinese medicine, and its performance is expected to maintain a good growth rate); 5) Medical devices (equipment updating, high-consumption innovation, low-consumption going to sea, etc.). Individual stocks can be concerned about: Baekje Shenzhou, Wuxi PharmaTech, China Resources Sanjiu and so on.