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The 10-year yield of US debt rose more than 1% to 4.316.There is still a worry about the imbalance between supply and demand. There is limited room for alumina futures to continue to fall. Since the intraday record of 5,540 yuan/ton on December 5, the main contract price of domestic alumina futures has started to fluctuate and fall, reaching a minimum of 5,077 yuan/ton on December 12, with the cumulative maximum decline exceeding 8%. According to industry insiders, the increase of alumina registered delivery brands and the sharp drop in overseas alumina spot quotations have led to the recent decline in alumina futures prices. Although the short-term news in the market is intertwined, the imbalance between supply and demand in the alumina market has not fundamentally improved, so there is limited room for the subsequent decline of alumina futures prices. (CSI)Daiwa Securities SMBC Co., Ltd. downgraded Xinao Energy to Hold with a target price of HK$ 56.

The Brazilian Senate approved the main text of the tax reform bill passed last year.The dollar index DXY broke through 107 and rose by 0.33% in the day.Trump said that he would use aid to Ukraine as a bargaining chip to force Russia to sit at the negotiating table. US President-elect Donald Trump said that he would use US support to Ukraine as a bargaining chip to force Russia to end the conflict through negotiations.

IBM and Illinois will establish a national quantum algorithm center with universities and industries in Chicago. On December 12th, local time, IBM and Illinois Governor JB Pritzker announced that they would cooperate to establish a new national quantum algorithm center in the Illinois Quantum and Microelectronics Park (IQMP) in Chicago. The center is jointly supported by IBM and other quantum computing pioneers, including the University of Chicago and the University of Illinois at Urbana-Champaign, and will be supported by IBM's next-generation quantum computer, IBM Quantum System Two, which the company plans to deploy in Chicago next year.Guterres: Syria's credible, orderly and inclusive transitional arrangements must be supported. UN Secretary-General Guterres issued a statement through a spokesman, expressing deep concern about the recent widespread violation of Syria's sovereignty and territorial integrity. The statement specifically mentioned hundreds of air strikes by Israel against Syria, and said that there is an urgent need to alleviate violence in all aspects of Syria. Guterres said that the 1974 Disengagement of Forces Agreement is still valid, and he condemned all actions inconsistent with the Agreement and called on the parties to the Agreement to fulfill their obligations, including ending all unauthorized presence in the separation zone. The statement stressed that while maintaining public order, it is necessary to support Syria's credible, orderly and inclusive transitional arrangements.Apple is said to start producing a key wireless chip currently provided by Broadcom next year. Apple's ambition to use self-developed components on its equipment will include switching to Bluetooth and Wi-Fi connection chips developed by itself from next year, which will replace some components currently provided by Broadcom. According to informed sources, this chip code-named Proxima has been developed for several years, and now it is planned to start the first batch of production in 2025. Like other self-developed chips of Apple, Proxima will be produced by its partner TSMC. This plan is independent of Apple's much-anticipated plan to replace the Qualcomm wireless modem, but the two parts will eventually work together. People familiar with the matter said that Apple's goal is to develop an end-to-end wireless solution that is tightly integrated with other components and more energy-efficient.