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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.List of A-share share repurchase: 16 companies disclosed the progress of repurchase, and on December 12, a total of 16 companies issued announcements related to share repurchase. Among them, four companies disclosed the stock repurchase plan for the first time, two companies' repurchase plans were approved by the shareholders' meeting, four companies disclosed the implementation progress of stock repurchase, and six companies' repurchase plans have been implemented. Judging from the initial disclosure of the repurchase plan, the amount of a company's stock repurchase plan on that day exceeded 10 million. Nanshan aluminum, Longzhu Science and Technology and Longzhu Science and Technology have the highest repurchase plans, and they plan to repurchase no more than 600 million yuan, 5,895,100 yuan and 1,171,000 yuan respectively. Judging from the repurchase plan passed by the shareholders' meeting, the repurchase plans of two companies exceeded 10 million on that day. Huaan Securities and Tongkun have the highest repurchase amount, with the planned repurchase not exceeding 200 million yuan and 51,966,700 yuan respectively. Judging from the implementation progress of repurchase, Shunluo Electronics, Shengquan Group and Hailiang have the highest repurchase amounts, with 9.009 million yuan, 3.8251 million yuan and 3.5187 million yuan respectively. Judging from the completed repurchase, the repurchase amount of four companies on that day exceeded 10 million. Chengda Pharmaceutical Co., Ltd., Jinshi Resources Co., Ltd. and Yingfangwei Co., Ltd. have completed the highest repurchase amounts, with 57,061,600 yuan, 53,158,000 yuan and 31,405,600 yuan respectively.Standard & Poor's: It is expected that the rise of trade protectionism in major economies will damage the GDP growth of most emerging markets, but the impact will depend on specific policies. Central banks in emerging markets are expected to take a more cautious stance, but monetary easing will continue.

Adobe's performance guidance fell less than expected by more than 9% after hours. Adobe gave disappointing performance guidance for fiscal year 2025, highlighting concerns that this creative software giant may be subverted by emerging startups based on artificial intelligence. The company said in a statement on Wednesday that it expects revenue of about $23.4 billion in the fiscal year ending November 2025. Earnings per share excluding some items are expected to be $20.2-$20.5. Analysts expect an average revenue of $23.8 billion and adjusted earnings per share of $20.52. Adobe, known for its software for creative professionals, is adding generative AI functions to its applications, such as embedding its proprietary model Firefly into products such as Photoshop. Adobe released an AI tool for making videos at the annual user conference in October, which has been embedded in the editing application Premiere and is gradually being promoted to the public. Adobe shares fell more than 9% in after-hours trading.Soochow securities: The demand resonance of land, sea and wind installations is optimistic about the long-term growth of the plate. soochow securities released a research report saying that in 2025, the growth rate of wind installations will be high, with long-term growth. Dongfang Cable (603606.SH) and Qifan Cable (605222.SH) are recommended, and Zhongtian Technology (600522.SH) and Hengtong Optoelectronics (600487. SH) are concerned; Daikin Heavy Industry (002487.SZ), Tianshun Wind Energy (002531.SZ), Haili Wind Energy (301155.SZ) and Taisheng Wind Energy (300129.SZ) are recommended.The Jehad delegation will discuss the exchange of detainees with Israel. On the night of 11th local time, the Palestinian Islamic Jihad (Jehad) said that the delegation including its Secretary-General Zeyad Nahara had arrived in Cairo. The delegation will discuss the latest progress of the agreement on the exchange of detainees with Israel and the ways to provide assistance to the Gaza Strip.

The Iraqi Foreign Minister talked with the French Foreign Minister to discuss the situation in Syria and combat extremism. On December 11th, local time, Iraqi Deputy Prime Minister and Foreign Minister Fuad Hussein talked with French Foreign Minister Barrow. During the call, the two sides agreed that the extremist organization "Islamic State" should be prevented from rebuilding its power. At the same time, the two countries should continue to carry out joint anti-terrorism operations in Syria and Iraq and continue to maintain cooperation in strengthening regional security and stability. The two foreign ministers discussed the security, military and political situation in Syria, and discussed the impact of the Syrian situation on Iraq and the region. The two sides stressed the need to promote the comprehensive political settlement of the Syrian issue led by the United Nations, ensure the full participation of all ethnic groups in Syria and safeguard their rights. The two sides agreed that in addition to communication with relevant countries and Syria's neighbors (including Turkey, Jordan, Lebanon and other Arab countries), Iraq and France should also continue bilateral coordination.In addition to the front page content, today's People's Daily's main financial contents include: 1. Guangdong-Hong Kong-Macao Greater Bay Area has added a large channel, the Huangmaohai cross-sea channel, to traffic; 2. The five departments issued a document to strengthen the recruitment and employment security of manufacturing industry and promote the formation of a recruitment and employment consortium; In March and November, the production and sales of new energy vehicles increased by 45.8% and 47.4% respectively. 4. Promote common development with the spirit of "helping each other with the same ball" (harmony); 5. Experts from the World Economic Forum: China has contributed to the global clean energy transformation; 6. Gao Yunlong attended the opening ceremony of the second Guangdong-Hong Kong-Macao Greater Bay Area Development Business Conference and delivered a speech; 7. The natural gas supply capacity of "three highs and one drop" in coal supply and demand during peak winter has been further improved; 8. Pay attention to system integration and build a high-level socialist market economic system with systematic thinking (targeted); 9. The market scale of China's crop seed industry exceeded 150 billion yuan for the first time last year. Industry-University-Research used integrated seed industry to improve quality and efficiency (high-quality development sees highlights and readings); In October and November, the passenger traffic of urban rail transit exceeded 2.7 billion passengers; 11, China's first 500 kv provincial digital power grid construction progress more than half; 12. Hangzhou Market Supervision Bureau launched the "Safe Consumption Receipt Code"; 13. Indonesia plans to add a number of special economic zones in the next four years; 14. Economic Outlook Report of the European Commission in Autumn 2024-The EU economy is expected to grow by 0.9% this year; 15. The Japanese enterprise price index reached the highest year-on-year increase in 17 months."The number of accounts opened exceeds expectations" is a general evaluation of the pilot situation of personal pension in the industry. Starting with the announcement of the pilot list of 36 cities (regions) on November 25th, 2022, by the end of June 2023, in less than one year, the number of people opening individual pension accounts has reached 40.3 million, and by the end of June 2024, the number of people opening individual pension accounts in China has exceeded 60 million. (Securities Times)