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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.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 T-shaped overpass with the longest and heaviest single span in China successfully turned and crossed Panxi Railway. According to The Paper, on the afternoon of December 11th, after 82 minutes of continuous construction, the T-shaped overpass with the longest and heaviest single span in China turned 52 degrees clockwise from Panxi Railway Vehicle Turning Station to Yangweishao Station under the jurisdiction of Kunming Bureau of China Railway, realizing a "gorgeous turn" and successfully completed the turn across Panxi Railway.

Microsoft: The latest small language model PHI-4, which is specially used for complex reasoning, is introduced.Klarna, a Swedish payment company, said that it stopped recruiting hundreds of employees because of AI during the year. Sebastian Siemiatkowski, CEO of Klarna, a Swedish payment company planning to go public in the US, said that the company stopped recruiting a year ago, mainly because it invested in artificial intelligence (AI), which can replace the work of hundreds of employees in the company. According to Siemiatkowski, the number of employees decreased by 22% to 3,500 within one year, mainly due to brain drain. He pointed out that at present, about 200 employees in the company use artificial intelligence for their core work, and will improve the efficiency of artificial intelligence by accelerating the salary growth of employees.The game and media sectors moved up three boards in vision china, three boards in vision china, Fuchun, Reader Media, Zhewen Internet and Guangdong Media, and Kaiying Network, Shengguang Group and Tianlong Group followed suit.

The Hang Seng Index and Hang Seng Technology Index both fell more than 1%.Tik Tok bean bag concept stocks opened lower and went higher, three-dimensional communication rose daily, Zhejiang-Wenzhou Internet, Zhangyue Technology and Guangbo shares rose sharply.Hong Kong stock Jingtai Holdings plunged nearly 15%, and the company's 1.464 million restricted shares are expected to circulate freely from today.