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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.Musk moved SpaceX headquarters to the Starbase in Texas.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.

Party Committee of CITIC Group: Firmly support the CPC Central Committee's decision to punish Xu Zuo. According to the news of CITIC Group official micro on December 13th, recently, the Party Committee of CITIC Group held a meeting to convey the decision of the State Supervision Commission of the Central Commission for Discipline Inspection to punish Xu Zuo. Xi Guohua, secretary and chairman of the Party Committee, presided over the meeting and made a speech, and members of the Party Committee made statements. Comrades attending the meeting unanimously expressed their firm support for the decision of the CPC Central Committee and the decision of the State Supervision Commission of the Central Commission for Discipline Inspection.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 Hang Seng Index of Hong Kong stocks opened lower by 0.78%, the index of state-owned enterprises fell by 0.88%, and the branch index opened lower by 1.01%.

Microsoft: The latest small language model PHI-4, which is specially used for complex reasoning, is introduced.The retail sector continued its upward trend of Zhongbai Group for 10 days and 7 boards, and the retail sector continued its upward trend. Zhongbai Group for 10 days and 7 boards, Maoye Commercial and Actually Zhijia had daily limit, and Guangbai shares, Dashang shares, Central Shopping Mall and Hongqi Chain opened higher collectively.The Nikkei 225 index fell to 1%.