中方反制见效，美股跳水，特朗普发长文：中国变了，他猜对了

Group 1 - The core issue revolves around the escalating tensions between the U.S. and China, particularly following China's recent countermeasures against U.S. policies, which have led to significant reactions in global logistics and shipping costs [1][3]. - The U.S. stock market experienced a sharp decline, with the S&P 500 index losing $700 billion in market value within three minutes after President Trump's comments regarding the situation [5]. - There is public outrage in the U.S. regarding the government's decision to build military facilities for Qatar, especially amidst concerns about domestic issues such as government shutdowns and military pay [7][9]. Group 2 - China's new regulations have resulted in increased shipping costs for dry bulk carriers transporting coal and iron ore, indicating a ripple effect in the global logistics industry [3]. - Trump's administration is criticized for underestimating China's capabilities to retaliate, with calls for a reassessment of strategies that consider the broader implications of their actions [3]. - The announcement of military infrastructure for Qatar has sparked anger among U.S. citizens, questioning the rationale behind spending on foreign military facilities while domestic issues remain unresolved [7][9].