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Scientists observed semi-Dirac fermion for the first time, and scientists from Pennsylvania State University and Columbia University joined hands to observe a special kind of quasi-particle-semi-Dirac fermion for the first time. Such quasi-particles have mass when moving in one direction, but lose mass when moving in the other direction. The researchers said that in-depth research on these quasi-particles is expected to promote the development of next-generation batteries, sensors and other technologies. Related papers were published in the new issue of Physical Review X.Front page of China Securities Journal: Give better play to the role of "stabilizer". The reform of the investment side of the capital market has been solidly promoted. The front page of China Securities Journal stated that efforts should be made to break through the blocking points of social security, insurance, wealth management and other funds entering the market, steadily promote the reform of industry rates in Public Offering of Fund, and vigorously develop equity funds, especially indexed investment ... Recently, the reform of the investment side has been accelerated, helping to improve the function of the capital market in which investment and financing are coordinated. Market participants expect that in the next stage, around the key directions such as guiding "long money" to enter the market, enriching the product system, and promoting the development of indexed investment, the reform of the investment side will continue to be solidly promoted, and more new measures are expected to be researched and introduced, which will introduce more incremental funds to the market and better play its role as a "stabilizer" of the market. The market expects that the acceleration of investment-side reform will significantly increase the scale and proportion of medium and long-term capital investment, promote the long-term investment behavior and enhance the inherent stability of the capital market.Merger and acquisition, restructuring and opening up a new bureau, market value management has achieved results. Shanghai is a state-owned state-owned enterprise in the big game of capital market, and Shanghai is a major town of state-owned state-owned enterprises. The market value of state-owned listed companies in Shanghai has exceeded 2.7 trillion yuan, which is a powerful state-owned company in the capital market. Since the beginning of this year, Shanghai state-owned listed companies have taken the initiative to take the lead, tried first, actively reformed and innovated, decisively settled in the big chess game of the capital market, opened a new game in mergers and acquisitions, and managed the market value quite effectively, handing over a sample answer sheet. (SSE)

Guotai Junan: A shares are expected to go out of the New Year's market. Recently, Guotai Junan's 2025 strategy meeting will be held in Shenzhen. The conference made an in-depth discussion and comprehensive outlook on the hot topics of market concern and the investment strategy in 2025. Fang Yi, chief strategist of Guotai Junan, said in an interview that the bottom of the A-share market has emerged, which is optimistic about the prospects of China stock market. The key driving force for the market to start comes from the decline of risk-free interest rate and the boost of risk preference. After a long period of continuous adjustment, the pessimistic expectation and microstructure of A-shares are fully clarified, and the positive signal of decision-makers to steady economic growth and support the capital market is an important cornerstone for the upward revision of long-term expectations and the elevation of the bottom of the stock market. Looking forward to the A-share market in 2025, Fang Yi said that there is still room for the optimistic policy expectation at the end of the year and the beginning of the year, and A-shares are expected to go out of the New Year's market. However, in the case of rising geopolitical conflict risks, the stock index may face a staged headwind. However, as the market stabilizes and revises the economic and policy expectations, the stock index is expected to strengthen again in the second half of 2025. (shanghai securities news)Microsoft expects to accrue about $800 million in impairment charges related to GM Cruise in the second fiscal quarter, and Microsoft expects to accrue about $800 million in impairment charges in the second fiscal quarter, which is related to the company's minority equity investment in GM Cruise. This will have a negative impact of about 9 cents on Microsoft's earnings per share in the second quarter.Medical staff: At least seven Palestinians were killed in Israeli air strikes. They were responsible for protecting aid trucks in the south of the Gaza Strip.

Market News: Most members of the US House of Representatives support the $895 billion national defense policy bill, and voting continues.The output of new energy vehicles takes the lead to seize the new highland of intelligent competition. BYD, GAC Ai 'an and Xpeng Motors, these new energy vehicle brands have helped Guangdong-Hong Kong-Macao Greater Bay Area become the highland of new energy vehicle industry in China. The data shows that one out of every four new energy vehicles in China is "made in Guangdong". At present, a number of leading enterprises in Guangdong-Hong Kong-Macao Greater Bay Area have emerged, such as Shenzhen Yinwang, Zhuoyu, Wen Yuan Zhixing, Xiaoma Zhixing, Desai Xiwei and Sagitar Juchuang, which have formed a perfect intelligent networked automobile industry chain. According to the insiders, intelligentization provides power for the "second half" of the development of new energy automobile industry, and Guangdong-Hong Kong-Macao Greater Bay Area is seizing the new highland of intelligent networked automobile industry.The position ETF--iShares Silver Trust, the world's largest silver ETF, decreased by 179.98 tons compared with the previous day, and the current position is 14,414.25 tons.