美国下马威，最高对华加税100%，芯片稀土成新筹码，马德里会谈将如何收场？

Group 1 - The recent US-China trade talks in Madrid highlight the ongoing tensions and complex negotiations between the two nations, particularly in key sectors like semiconductors and biotechnology [1] - The US Department of Commerce unexpectedly added 23 Chinese companies to a control list, escalating the already tense negotiation atmosphere and indicating a strategy to gain leverage in talks [1][3] - China's immediate response included launching anti-dumping investigations on US-imported simulation chips, showcasing a firm stance against US actions [1] Group 2 - The decline in trade volume between the US and China, with a 13% year-on-year drop in the first eight months of 2025, reflects a trend of economic decoupling, raising concerns for global economic stability [3] - The negotiations encompass various issues beyond tariffs, including export controls and market access, with both sides seeking potential cooperation in supply chains amidst global resource constraints [3][5] - The ongoing tariff disputes, stemming from high tariffs imposed since 2018, complicate the negotiations, as any changes could impact political dynamics in the US [5] Group 3 - The US's use of export controls as a tool to maintain technological dominance poses risks to global supply chain stability, making compromise on this issue crucial for both parties [5] - China's control measures in critical sectors, such as rare earth exports, indicate a strong response to US pressure, while the US's actions, including tax policies and scrutiny of companies like TikTok, reflect a strategy to compel concessions from China [5][7] - The outcome of the Madrid talks could significantly influence not only US-China relations but also the broader global economic landscape, with potential implications for economic recovery [7]