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Market information: US President Biden seeks to veto once and for all the merger of Nippon Steel (Nippon Steel) and American Steel Company (X).Market information: US President Biden plans to formally prevent Nippon Steel (Nippon Steel) from acquiring American steel companies. US Steel (X) triggered an intraday fuse and fell 8.8% before trading was suspended.A new generation of quantum chips has achieved a breakthrough in error correction capability. According to a paper published in Nature magazine on the 10th, Google's latest generation of quantum chips has achieved a breakthrough in error correction capability, that is, the error is suppressed below a critical threshold. This quantum error correction function is considered as a necessary condition to realize the practical application of quantum computing in the future. After the performance of the chip is expanded, it may be able to promote the operation requirements of large-scale fault-tolerant quantum computing. (Science and Technology Daily)

Argentine President Millai: Argentina's economy will grow in 2025 and inflation will decline.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)Three-way funds actively increased their positions. The liquidity of the A-share market is abundant. Since this round of market, the liquidity of the market has been abundant, and the turnover has reached a number of records. The active transaction in the A-share market is inseparable from the continuous inflow of incremental funds. The data shows that since September 24, the financing balance in the A-share market has increased by nearly 500 billion yuan, the net inflow of equity ETFs has exceeded 220 billion yuan, and the repurchase amount has exceeded 24 billion yuan. Analysts said that incremental funds may accelerate the flow into the A-share market under the expectation of positive policies and economic recovery. (CSI)

Nearly half of the listed securities firms announced the roadmap of improving quality and increasing efficiency. Recently, Capital Securities and two listed securities firms in central china securities successively disclosed the action plan of "improving quality, increasing efficiency and paying more attention to returns" in 2024, and disclosed the company's next plan from many aspects, such as strengthening functional positioning, improving operating quality and enhancing investors' returns. Since Founder Securities announced the action plan of "improving quality, increasing efficiency and paying more attention to returns" in 2024 in April this year, by the time of china securities journal's press release on December 10th, there were 20 A-share listed brokers who announced relevant announcements and carried out relevant actions, accounting for nearly half. Combing the schemes disclosed by brokers, it is found that, while actively responding to the development of financial services to the real economy and new quality productivity, in the face of the competitive environment where industry concentration is expected to be further enhanced and the "Matthew effect" is further intensified, brokers with different characteristics and sizes have also combined their own endowments in their action plans to disclose future differentiated competitive ideas. (CSI)The United States has approved the sale of arms facilities worth nearly 600 million US dollars to Kuwait and Ukraine. The US Department of Defense said in a statement that the State Council has approved the sale of vehicle maintenance equipment with an estimated value of 300 million US dollars to Kuwait. On the same day, it also approved the sale of F-16 fighter maintenance services and related equipment to the Ukrainian government at a cost of US$ 266.4 million.An attack on a minibus in Haiti caused 8 deaths and 10 injuries. On December 10, local time, Haitian police released a report saying that a minibus was attacked by gangs in Deluge, Artibonite province on the 9 th, causing 8 deaths and 10 injuries, including 8 serious injuries. (CCTV)