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Domestic futures fell more and rose less, No.20 rubber fell nearly 3%, domestic futures fell more and rose less, No.20 rubber fell nearly 3%, Shanghai Bank and BR rubber fell nearly 2%, and rubber, caustic soda, vegetable oil, rapeseed meal, hot coil, international copper and pulp fell more than 1%. In terms of increase, Shanghai nickel and alumina rose by over 1%, while SC crude oil and palm oil rose by nearly 1%.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 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.

The three major stock indexes opened lower and went lower. The Shenzhen Stock Exchange Index and the Growth Enterprise Market Index all fell more than 1%, and the Shanghai Composite Index fell 0.88%.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.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.

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.On December 4, the price of pig food was 7.74, up 0.52% from November 27. According to the data of the National Development and Reform Commission, as of December 4, the price of live pigs nationwide was 16.72 yuan/kg, down 1.30% from November 27. The price of corn in the main wholesale market is 2.16 yuan/kg, down 1.82% from November 27; The price of pig food was 7.74, up 0.52% from November 27th.The United States ITC officially launched a 337 investigation on injection molding machines, their components and downstream products. According to China Trade Relief Information Network, on December 12, the United States International Trade Commission (ITC) voted to launch a 337 investigation (investigation code: 337-TA-1427) on specific injection molding machines, their components and downstream products.