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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.Huatai Securities: The policy overweight boosts consumption and is optimistic about the four main lines. Huatai Securities Research Report said that with the continuous efforts of promoting consumption policies, the large consumer sector ushered in the configuration window period and continued to be optimistic about the basic orientation and valuation repair of the consumer sector. It is suggested to pay attention to four main investment lines: 1) the rise of domestic products: the strength and brand power of domestic products in beauty care, home appliances, pets, textiles and clothing are constantly improving, occupying consumers' minds against the trend, and domestic products continue to lead; 2) Emotional consumption: the products on the supply side are continuously iterated, and the goods/services are built as a medium to convey emotional value, and the consumption on the demand side is superimposed to promote the continuous expansion of the tide play /IP economy; 3) New cost performance: The consumption concept of residents is becoming more and more rational, and the quality-price ratio has become the core of consumption decision-making. The new cost performance consumption focusing on "good but not expensive" is expected to continue to grow rapidly; 4) Consumption going to sea: Going to sea has become a necessary topic for consumer enterprises. Under the two-way catalysis of supply and demand, China enterprises are actively participating in global market competition and paying attention to brand/culture/service going to sea.Galaxy Securities: It is recommended to pay attention to the upgrading of network infrastructure, telecom operators, optical module leaders, quantum communication leaders, Internet of Things and cutting-edge applications, etc. china galaxy Securities said that the demand for communication equipment as the base of computing infrastructure in the digital economy is expected to usher in high growth, and related sectors may usher in greater opportunities, focusing on emerging industries such as operators, optical communications, quantum communications and 5G applications to empower related industrial chains. It is suggested to pay attention to: network infrastructure upgrade+telecom operators, optical module leaders, quantum communication leaders, Internet of Things and cutting-edge applications led by central enterprises.

Monetary policy has turned to "moderate easing", and experts say that it is expected to make greater efforts to lower the RRR and cut interest rates. The the Political Bureau of the Communist Party of China (CPC) Central Committee meeting held on December 9 changed the orientation of monetary policy from "steady" to "moderate easing" next year. Experts said that under the orientation of "moderate easing", the monetary policy space was further opened. In terms of total amount, it is more reasonable and sufficient to maintain liquidity; In terms of price, appropriately reducing the financing cost will better reflect the effectiveness of monetary policy. Next year, even greater RRR cuts and interest rate cuts can be expected. In addition to lowering the RRR and cutting interest rates, experts said that structural monetary policy tools, buying government bonds, open market buyout reverse repurchase and other operations are expected to continue to expand the scale, increase the frequency of use, and continuously enhance the effectiveness and pertinence of monetary policy. (CSI)CITIC Securities: In 2025, the performance boom cycle of the US Internet sector is expected to continue. According to CITIC Securities Research Report, looking forward to 2025, the macro resilience will continue, and the superimposed GenAI technology will continue to be introduced. The performance boom cycle of the US Internet sector is expected to continue, which is reflected in online advertising, e-commerce, streaming media, local life, financial technology and other sectors. However, the Trump administration's tariff increase & industry regulatory policies, inflation data, AI technology progress, etc. are expected to be continuous disturbance variables and need to be closely watched. At the level of individual stocks, the first-line Internet giants will still be the basic allocation. At the same time, we suggest that investors appropriately increase the allocation of small and medium-sized stocks in the fields of advertising technology and financial technology to enhance portfolio flexibility.One case of pre-application for residential land in Fengtai District, Beijing, with an initial total price of 4.008 billion yuan. According to official website of Beijing Municipal Planning and Natural Resources Committee, one case of pre-application for residential land in Fengtai District, Beijing, with an initial total price of 4.008 billion yuan. This plot is plot No.056 [2024], namely plot FT00-2404-0005 of the reconstruction project of the cold storage in the southwest suburb of Fengtai District, Beijing, with a land area of 27,422.21 square meters and a planned construction area of 69,104 square meters. The pre-application for this plot will be accepted from December 9, 2024 to January 7, 2025.

During the year, there were 461 new indices, and the index investment fever continued to climb. On December 10th, in order to meet the investment demand of diversified indices, CSI Index Co., Ltd. officially released five new indices, including CSI 1000 Growth Index, CSI 1000 Value Index, CSI 2000 Growth Index, CSI 2000 Value Index and CSI 1000 Quality Balance Strategy Index. With the "listing" of the above five indexes, the number of newly-issued indexes reached 461 during the year, covering categories such as strategy, style, scale, industry, theme and other fixed-income indexes; Related index asset classes include stocks, fixed income, funds and futures. At the same time, the secondary market, this year, the heat of indexed investment is also high. Looking forward to the future, with the continuous vigorous growth of market demand and unabated heat, and the precise guidance and strong support from the supervisory level, the indexed investment ecology will become more and more perfect. (Securities Daily)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%.The reporter explored: optimizing the transaction structure, the second-hand housing has become a hot spot in the market. "After the recent new property market policy, especially the reduction of transaction tax burden such as value-added tax, the second-hand housing is particularly popular." A senior real estate agent manager in Jindaotian District, Luohu District, Shenzhen, told the reporter, "Take several shed-reformed communities here as an example. Recently, more than 20 second-hand houses can be sold in each community every month. The price is low, the house is new and the location belongs to the urban area, which is very suitable for those who just need to buy a home." According to the data of Shenzhen Zhongyuan Research Center, the unit price of second-hand houses in the range of 40,000 yuan to 60,000 yuan accounted for 32.1% in November, ranking first and the increase was the most obvious. The transaction of new houses with a "building age" of less than 10 years was the most active. The reporter found out that in the second-hand housing market in several key cities, the transactions of new second-hand houses with relatively new "building age" are more active. Take Tianhe Park, a plate with high popularity of second-hand houses in Guangzhou, as an example. According to shell data, 41 sets were sold in this plate in October, a significant increase of 127.8% from the previous month. According to Yan Yuejin, vice president of Shanghai Yiju Real Estate Research Institute, the adjustment of tax policy will accelerate the listing of second-hand houses and good houses, which in turn will help buyers subscribe for second-hand houses and large-sized houses, which will have a positive effect on optimizing the transaction structure of second-hand houses and boosting second-hand housing transactions. (e company)