日债崩了，这是给美元捅刀子啊！

Group 1 - The article discusses the changing dynamics of U.S.-Japan relations, highlighting Japan's resilience in trade negotiations and its refusal to compromise national interests despite U.S. pressure [4][15][19] - It emphasizes the historical context of U.S. trade wars, particularly the impact on Japan's economy in the past, and draws parallels to current events [3][6][19] - The article notes the significant role of Japanese households, referred to as "Watanabe-san," in cross-border arbitrage and their recent struggles due to rising borrowing costs and currency fluctuations [9][10][11] Group 2 - The article points out the decline in U.S. Treasury bond ratings and its implications for liquidity in the banking sector, leading to increased selling pressure on bonds [6][7][8] - It highlights the interconnectedness of U.S. and Japanese financial markets, particularly in the context of currency exchange rates and the potential for significant volatility [22][23][24] - The article suggests that the Federal Reserve's actions and policies are in direct opposition to the current U.S. administration's trade strategies, indicating a potential internal conflict within U.S. economic policy [19][25]