Group 1 - Japanese and South Korean stock markets are showing a divergent trend, with the Nikkei 225 index rising by 0.5% to 37,741.61 points and the Tokyo Stock Exchange index also increasing by 0.5% to 2,769.33 points, while the South Korean market is closed due to a holiday [1] Group 2 - The Japanese government has made a significant shift in its negotiation strategy with the U.S. regarding tariffs, abandoning the traditional demand for a complete elimination of the 25% auto tariff and proposing a tiered tariff adjustment mechanism based on each country's contribution to the U.S. auto industry [3] - The negotiation process has been stalled due to internal power struggles within the U.S. government, with key officials such as Treasury Secretary Mnuchin, Commerce Secretary Ross, and Trade Representative Lighthizer competing for influence over trade policy [3] - The Japanese negotiation team is facing a complex environment, as U.S. officials are exerting differentiated pressure on Japan to make unilateral concessions in areas like agricultural market access and digital trade rules [3][4] Group 3 - Market observers note that while Japan's proposed tiered tariff adjustment plan is constructive, its implementation remains highly uncertain due to the backdrop of U.S. domestic political struggles [4] - As the negotiation window narrows, Japan may need to seek a more precise balance between protecting its domestic industry interests and aligning with U.S. strategic demands [4]