国际时政周评：美国国内议程重回关注

Election Results - The Democratic Party achieved significant victories in local elections, including New York City, New Jersey, and Virginia, which are traditionally Democratic strongholds[4] - The election results may not indicate a nationwide trend due to the polarized political climate in the U.S., with Trump's policies potentially increasing Democratic voter turnout[12] Supreme Court Proceedings - The U.S. Supreme Court began hearings on the legality of Trump's comprehensive tariff policies, with conservative justices expressing skepticism about the president's authority to impose large-scale tariffs[13] - The court's decision could take weeks to months, providing the Trump administration time to refine its tariff policies[14] Economic Implications - The ongoing government shutdown, which has reached a historic duration, is contributing to market instability and a lack of official economic data, leading to declines in major U.S. stock indices[12] - Economic issues are expected to become central in the upcoming midterm elections, aligning with the administration's need to stabilize the economy before the elections[11] Geopolitical Tensions - Ongoing geopolitical conflicts, including the Russia-Ukraine situation and tensions in the Middle East, are expected to persist, with potential impacts on U.S. foreign policy and trade[16][17] - The U.S. is focusing on strategic industries in its tariff policies, particularly in sectors like semiconductors and critical minerals[15] Market Performance - Major U.S. stock indices, including the Dow Jones and S&P 500, experienced declines of 1.2% and 1.6% respectively, attributed to the government shutdown and lack of market guidance[5] - The Hang Seng Index and Shanghai Composite Index showed positive performance, with increases of 1.3% and 0.8% respectively, indicating regional market resilience[5]