贸易战升级的直接导火索 - 中国宣布加强对稀土矿物出口的控制，这些材料对技术制造、磁铁、电池和车辆生产至关重要[4] - 作为回应，美国总统特朗普威胁将对所有中国商品加征100%的新关税，并可能限制所有关键软件的出口[1][2] 市场与行业的即时反应 - 美国股市大幅下跌，纳斯达克综合指数收盘下跌3.6%，道琼斯工业平均指数下跌876点，标准普尔500指数下跌2.7%[2][5] - 科技股遭受重创，芯片制造商英伟达、亚马逊和电动汽车制造商特斯拉的股价均下跌约5%[5] - 贸易战升级已动摇市场，特别是科技股，导致市场前景比今年早些时候更为动荡[2] 稀土资源的关键战略地位 - 中国控制了全球绝大多数的稀土材料供应，这些材料对技术制造和军事装备至关重要[4] - 分析师警告，中国的新规将严重影响美国获取技术制造所需材料的能力，并认为这是强有力的谈判工具[4] 分析师对科技行业的长期看法 - 分析师将当前局势视为中美在人工智能革命中的高风险博弈，并注意到英伟达的核心芯片受到更严格审查[5] - 有观点认为当前紧张局势是买入半导体、软件、大型科技公司和AI领域赢家的机会，预计紧张局势不会升级到比四月更严重的程度[5]

Stocks plunged on Friday after Trump revived fears of the trade war with China. The president said he would consider a "massive increase" in tariffs on China. Later, he announced said tariffs. Investors are concerned that a trade deal with Beijing could be in jeopardy. US stocks sold off on Friday after President Donald Trump threatened to revive the trade war with China. The S&P 500 saw its steepest loss since April. In an initial post on Truth Social, the president said he believed China was "bec ...

U.S. President Donald Trump points a finger as he speaks during a roundtable on "Antifa," an anti-fascist movement he designated a domestic "terrorist organization" via executive order on September 22, at the White House in Washington, D.C., U.S., Oct. 8, 2025.President Donald Trump on Friday said the United States would impose new tariffs of 100% on imports from China "over and above any Tariff that they are currently paying," starting on Nov. 1.Trump also said that the U.S., on that same date, would also ...