国际时政周评：伊美底线再确认，美国关税谈判冲刺

Group 1: Geopolitical Developments - Iran and Israel announced a ceasefire, with concerns about the potential for renewed military action if negotiations fail[5] - NATO summit agreed to increase defense spending to 5% of GDP by 2035, with 3.5% for core defense and 1.5% for broader measures[10] - Ongoing U.S. trade negotiations with multiple countries, including China, Japan, and South Korea, with a focus on tariffs and trade barriers[13] Group 2: Trade and Economic Policies - U.S. tariffs on various goods remain a critical issue, with a focus on semiconductor and pharmaceutical investigations initiated in April[16] - The U.S. is considering extending tariff suspension for countries participating in trade negotiations until July 9[16] - The potential for a shift in U.S. trade policy towards more strategic protectionism, particularly in key supply chains[16] Group 3: Risks and Future Outlook - Risks include unexpected changes in U.S. policy and international relations, particularly regarding Iran and trade negotiations[4] - The geopolitical landscape is shifting, with a focus on balancing relations between major powers, including the U.S., Russia, and China[19] - Long-term uncertainties may arise from internal U.S. political dynamics affecting foreign policy and trade strategies[20]