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The Brazilian Senate approved the main text of the tax reform bill passed last year.Guangzhou Institute: Make solid preparations for the listing of polysilicon futures and options to ensure the smooth launch and steady operation of polysilicon futures and options. With the rapid development of polysilicon industry, the relationship between supply and demand changes rapidly and the price fluctuates greatly due to various factors such as industrial policy, production cycle and technological progress. Due to the lack of objective and continuous price signals, the polysilicon industry has concentrated capacity investment and construction, which is prone to problems such as staged supply and demand mismatch, which is not conducive to the healthy and stable development of the industry. In this context, photovoltaic industry chain enterprises have increasingly strong demands for listed polysilicon futures, pricing with futures tools and managing risks. At the same time, the listed polysilicon futures will help to export the international pricing benchmark, form the "China" price of polysilicon international trade reflecting China's industrial volume, and gradually enhance China's influence in polysilicon international trade pricing. The insiders believe that at present, the industrial silicon varieties in Guangzhou have been running smoothly for nearly two years, and the listing of polysilicon varieties will further improve the variety layout of the crystalline silicon industrial chain for futures services, and provide more accurate futures tools for polysilicon and its downstream photovoltaic industrial chain, which is conducive to further consolidating the global competitive advantage of China's photovoltaic and other industries. The relevant person in charge of the Guangzhou Stock Exchange said that in the next step, under the guidance of the China Securities Regulatory Commission, the Guangzhou Stock Exchange will make solid preparations for the listing of polysilicon futures and options to ensure the smooth launch and steady operation of polysilicon futures and options. (Guangzhou Institute)Boeing plans to increase the monthly output of the 787 to 10 by 2026. Boeing said on Thursday that it plans to increase the monthly output of the 787 Dreamliner wide-body passenger aircraft to 10 by 2026. The aircraft manufacturer plans to expand its operations in Charleston County, South Carolina, invest $1 billion to upgrade infrastructure and create 500 new jobs. Boeing has been working hard to restore the output of 787 aircraft to the level of 5 aircraft per month before the end of this year, but the obstacles in the supply chain have led to production delays.

IBM and Illinois will cooperate with universities and industry to establish the National Center for Quantum Algorithms in Chicago.Broadcom rose more than 18% at the beginning, Broadcom rose more than 18% at the beginning, and the total market value rose to $1 trillion. The company's Q4 profit exceeded expectations, and its AI revenue doubled and rose by 220% in the whole fiscal year.Medical staff: Israeli air strikes on houses in Nu Sillat refugee camp in central Gaza killed at least 20 Palestinians.

Market News: It is reported that Iraq's strategic wheat reserve is enough to meet the consumption for more than six months.Expert comment: Grasp the core essence of "stabilizing the property market" and explain in detail the main starting points of real estate in the new stage. The Central Economic Work Conference was held in Beijing from December 11th to 12th. Yan Yuejin, vice president of Shanghai Yiju Real Estate Research Institute, believes that "stabilizing the property market" should have a systematic and complete working path, including stabilizing housing consumption, stabilizing enterprise investment, promoting stock digestion, etc., and ultimately creating more power for the release of domestic demand. (Xinhua News Agency)Apple is about to switch to self-developed Bluetooth and Wi-Fi chips for iPhone and smart home. Apple plans to switch to domestic chips for Bluetooth and Wi-Fi connection on its devices from next year, which will gradually phase out some components currently provided by Broadcom. This chip, code-named Proxima, has been developed for several years and is now planned to be used in the first batch of iPhone and smart home devices produced in 2025. The internal chips of iPhone manufacturers will be produced by TSMC.