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Luckin Coffee will open seven stores in Mong Kok, Tsim Sha Tsui and Sheung Wan. (Sing Tao Daily)Navigation warning! Sea shooting test in the southern Yellow Sea, according to the website of China Maritime Safety Administration, Lianyungang Maritime Safety Administration issued a navigation warning. From 8: 00 to 14: 00 on December 11, some sea areas in the southern Yellow Sea were fired with live ammunition, and it was forbidden to enter.Nippon Steel's share price rose by 1.2% shortly after the opening on Wednesday, and it is basically flat at present. In the news, US President Biden plans to formally prevent Nippon Steel from acquiring American steel companies for $14.1 billion. American steel stocks plunged overnight, once falling by 22%, and finally closed down by 9.7%.

Japanese manufacturers' confidence index turned negative to the central bank's forecast in December. A short-term survey in Reuters, Japan, found that Japanese manufacturers' business confidence deteriorated further in December due to concerns about US protectionist policies. The survey of 505 large Japanese non-financial enterprises showed that manufacturers' confidence index fell from 5 in November to -1 in December, which was the first time since last February, and the number of pessimists exceeded optimists for the first time in 10 months. The loss of business confidence may cast a shadow over the Bank of Japan's forecast. The Bank of Japan had previously predicted that a steady recovery driven by rising wages and consumption would help inflation reach the 2% target in a sustainable way and justify further interest rate hikes. Many manufacturing industries have reported that business confidence has declined. Among electronic machinery manufacturers, steel and non-ferrous metal manufacturers, pessimists far exceed optimists.CITIC Jiantou: China's commercial space layout continues to land, and SpaceX's first mobile phone direct connection constellation has been built. CITIC Jiantou Research Report said that China's state-owned private enterprises have laid out one after another, and the satellite development and rocket launch modes have gradually transformed, and commercial space forces are expected to accelerate the layout process of low-orbit Internet. Recently, China Aerospace Science and Technology Corporation Commercial Satellite Co., Ltd. unveiled its design concept of Internet satellite for the first time, including standardization, low cost, integration, digitalization and scale. The company's production line in Tianjin has an annual production capacity of more than 100 satellites, and the satellite super factory in Wenchang, Hainan is expected to be put into operation in 2025, with an annual production capacity of 1,000 satellites. The third batch of networked satellites in Qian Fan (G60) constellation was successfully launched, and the number of satellites in orbit increased to 54. China Telecom invested 1 billion yuan to set up a new satellite company. Internationally, SpaceX has built the world's first low-orbit mobile phone direct connection constellation, and the three European aerospace giants Airbus Group, Terez Company and Leonardo Company want to jointly build a new satellite company.CITIC Securities: The logic of "grabbing exports" is expected to support the short-term performance of China's exports. According to the CITIC Securities Research Report, in November, China's exports maintained a certain growth rate, exports to emerging markets maintained a high growth rate, and exports of mechanical and electrical products performed brilliantly. In the short term, both CCFI index and SCFI index are on the rise, and the logic of "grabbing exports" is expected to support the short-term performance of China's exports. In the long run, if the United States imposes tariffs on China, China's export performance may be dragged down. However, based on the analysis of the import share structure of the United States, the European Union, Vietnam, Mexico and other economies, we can see that the current pattern of China's trade diversification has improved compared with the last round of Sino-US trade friction, and the trade between emerging markets and China has become closer and closer. The imposition of tariffs by the United States on China may affect the bilateral trade between China and the United States more, and domestic enterprises going to sea and re-exporting trade may still be effective ways to hedge the impact of US tariffs on China.

After the strike ended, the delivery of Boeing aircraft dropped to 13 in November. On Tuesday, Boeing reported that it delivered 13 commercial jets in November, less than a quarter of the 56 jets delivered to customers 12 months ago. The number of deliveries in October decreased from 14 in October, when most of the company's aircraft production was still in a state of suspension, and 33,000 factory workers went on strike for seven weeks, which ended on November 5. Boeing shares closed up 4.5% on Tuesday. The aircraft manufacturer said that after weeks of methodical preparations, the company restarted the production of the 737 MAX and loaded the new fuselage into the Renton factory in Seattle.AI can solve partial differential equations thousands of times faster than before, and partial differential equations play an important role in engineering and science. In a recent study, scientists from Johns Hopkins University in the United States have developed a new artificial intelligence (AI) model called "Differential Mapping Operator Learning" (DIMON), which can solve complex partial differential equations on personal computers, thousands of times faster than before, and is expected to "show its talents" in the fields of aerospace, automobiles and medicine. Related papers were published in the journal Nature Computational Science published on the 9th.Sarah Friar, CFO of OpenAI: Corporate customers will pay (at least) thousands of dollars for using artificial intelligence (AI) tools. In the end, it will be reasonable.