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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. (Science and Technology Daily)Since December, overseas institutions have investigated 28 listed companies, focusing on three major industries. According to statistics, 32 overseas institutions have investigated 28 listed companies in the past seven trading days since December. Among them, Lubomai Fund has the largest number of research companies, and has investigated 3 listed companies, including Steady Medical, Shanghai Rural Commercial Bank and Weike Technology. In addition, four overseas institutions, including Manulife Finance, Boyu Capital and Leiya Investment, respectively investigated two listed companies. In terms of industries, overseas institutions mainly favor automobile, computer and mechanical equipment, with four research companies each, followed by electronics, food and beverage, medicine and biology, with two listed companies each being investigated by overseas institutions. According to statistics, Huichuan Technology, Desai Siwei, Hanzhong Seiki and Angang are the most concerned by overseas institutions, with 30, 8, 7 and 7 researchers respectively. According to the research activities, overseas institutions are mainly concerned about the competitive advantages of listed companies, the progress of internationalization, and the situation of reducing costs and increasing efficiency. (Securities Times)The murder suspect of the CEO of the insurance giant resisted "extradition" to new york, and the protracted court offensive and defensive war was started. The suspect Luigi Mangione, who was shot dead by Brian Thompson, an executive of UnitedHealth Group Inc, in Manhattan, new york, USA, objected to extraditing himself to new york to face second-degree murder's charges, thus opening the curtain for a judicial procedure that may be a year without a month. On Tuesday (December 10th), at a court hearing in Pennsylvania, the defendant's lawyer said that he would fight against any request to transfer him to new york. "My client is not giving up the extradition hearing here today," said Thomas M. Dickey, Mangione's attorney.

Standard & Poor's: Downgrading Intel's rating to BBB, the outlook is stable. The recovery of the company's business activities is slow.The crude oil futures of the previous issue closed up 0.25% at 530.8 yuan/barrel at night. Shanghai Gold closed up 0.67% at 626.52 yuan/g, and Shanghai Bank closed up 0.15% at 7962 yuan/kg.The "Debt Bull" was launched, and a number of treasury bonds futures reached new highs. According to the analysis, the downward trend of broad-spectrum interest rates is expected to continue to support the bull market in the bond market. On December 10, 30-year, 10-year, 5-year and 2-year treasury bonds futures all hit record highs. Looking at it for a long time, since the beginning of this year, 30-year treasury bond futures have risen by nearly 16%, 10-year treasury bond futures have risen by over 5%, and 5-year treasury bond futures have risen by over 3%. Analysts pointed out that the logic of broad-spectrum interest rate downward has run through the whole year of 2024, and it is expected to continue to form an important support for the bond market in the long run. The recent market strength is not only an emotional effect at the end of the year and the beginning of the year, but also a blocking point to dredge and guide the overall downward trend of interest rates. Shen Wanhongyuan believes that in the short term, profit-taking behavior may increase after the low interest rate, but this is not the core factor that dominates the market. Shen Wanhongyuan said that the rate cut of policy interest rate in 2025 may not be less than 30 basis points. After the deployment of relevant important meetings at the end of the year, specific policies may be gradually implemented in the first quarter of next year. According to Huaxi Securities, looking forward to 2025, the rate of single RRR cut and interest rate cut of monetary policy may not be less than 50 basis points and 20 basis points (the rate in 2024). (Securities Times)

US Department of Defense: the State Council approved the sale of vehicle maintenance equipment to Kuwait, with an estimated value of $300 million.Top 20 US stock turnover on December 10th: Microsoft shareholders opposed the bitcoin investment proposal. On Tuesday, Microsoft, the fifth largest US stock turnover, closed down 0.60% with a turnover of 8.876 billion US dollars. On Tuesday, December 10th, Eastern Time, the shareholders of Microsoft voted against a proposal to allocate Bitcoin, arguing that it was not in the long-term interests of shareholders, and pointed out that Microsoft's existing strategy was already evaluating various investable assets including Bitcoin, which was part of Microsoft's broader investment framework. Earlier, Microsoft's board of directors urged shareholders to reject a suggestion from the National Center for Public Policy Research that the company invest 1% of its total assets in Bitcoin to hedge against inflation. (Global Market Broadcast)The Huangmaohai Cross-sea Passage was opened to traffic today. At 15: 00 on December 11th, Guangdong-Hong Kong-Macao Greater Bay Area's key traffic project, the Huangmaohai Cross-sea Passage, will be put into trial operation, adding another "key level" to Guangdong-Hong Kong-Macao Greater Bay Area's cross-river traffic network. After opening to traffic, the land transit time from Zhuhai to Jiangmen will be shortened from more than one hour to about 30 minutes.