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A number of evidences confirmed the criminal facts of the suspect in the shooting of executives in unitedhealth group, USA. On December 11th, local time, Jessica Tisch, the police chief of new york City, USA, said that the gun on Luigi Man Ghione, the suspect suspected of killing the CEO of unitedhealth group, matched the shell casings found at the crime scene. In addition, Man Ghione's fingerprints are consistent with those on the water bottle and protein stick wrapping paper found near the shooting scene. At present, the suspect Man Ghione is still being held in Pennsylvania.Argentina's MERVAL index closed up 3.94% to 2.288 million points.The concept of high-speed copper connection is very popular. Recently, benefiting from the explosive demand growth of AI computing power, the market funds focus on the supporting concept of high-speed copper connection in the upper reaches of NVIDIA. On December 11th, a number of high-speed copper connection concept stocks rose sharply, with Zhaolong Interconnect rising by 12.58%, Woer Nuclear Materials by 8.70%, Shenyu Shares by 4.77% and Derun Electronics by 4.99%. High-speed copper connection, also known as high-speed connector, is a core data transmission component, which constitutes an efficient signal transmission system. Manager Public Offering of Fund said that the concept stocks of high-speed copper connection continued to rise, which actually benefited from the explosion of demand for AI computing power. Invista once introduced at GTC2024 that NVL72 uses copper cable interconnection to save costs significantly compared with optical modules. Shanxi Securities predicts that the new market of high-speed copper cable brought by GB200 will be close to 6 billion US dollars in 2025, and the usage scenarios of high-speed copper cable will continue to expand. It is found that a number of public and private equity funds have heavily invested in the concept stocks of high-speed copper connections that have risen recently in the third quarter. There are also fund managers who heavily invested in related stocks in the second quarter, but significantly reduced their positions in the third quarter, missing the rise of concept stocks in the fourth quarter. There are also some fund managers who continue to be optimistic about the stimulation of the demand of upstream industries caused by the outbreak of AI computing power, and have successively added high-speed copper connection concept stocks. (Securities Times)

Central Bank of Mexico: Pay close attention to the development of Mexico's financial market and will take necessary measures when necessary to maintain the stability of the financial system and the normal operation of the payment system.Fitch: Steady reserves, reduced liabilities, and prudent budget management have prepared American state and local governments for 2025.U.S. Treasury officials said that U.S. revenue, expenditure and deficit all hit new highs in November.

Bank of Canada: Trump's tariff threat has brought "significant" uncertainty to Canada's economy. Bank of Canada Governor Mackler said on Wednesday that US President-elect Trump promised to impose a 25% tariff on goods imported from Canada at the beginning of his term of office, which constitutes an uncertain factor and may aggravate the general economic chaos in Canada.Brazilian President Lula will receive new treatment after brain surgery, and Brazilian President Lula will receive another medical procedure on Thursday, local time, after earlier this week, the Cirio-Lea banes Hospital said in a statement that his health condition was doubtful. The hospital said in a statement on Wednesday that Lula will undergo meningeal artery embolization. Thursday's treatment is aimed at preventing bleeding and reducing the risk. The hospital said in a statement that Lula was able to walk, do physical therapy and visit his family on Wednesday. The hospital said that he had no medical complications. In trading on Wednesday afternoon, the Brazilian real continued its upward trend, rising by 1.6% against the US dollar. Affected by this news, the benchmark Ibovespa stock index rose.US Department of Foreign Affairs: Russia has western assets on its territory, which can be used to enhance its own industrial potential.