特朗普关税威胁引爆抛售潮，美三大股指暴跌创四个月新低

Group 1 - The U.S. stock market experienced significant declines on October 11, with the Dow Jones Industrial Average dropping 1.90%, the Nasdaq Composite falling 3.56%, and the S&P 500 decreasing by 2.71%, marking the lowest closing point in four months [1] - The sell-off was triggered by the Trump administration's announcement of new tariffs on Chinese imports, raising concerns about escalating global trade tensions and causing a ripple effect across capital markets [1][2] - Asian markets showed severe volatility, with Japan's Nikkei 225 index experiencing a maximum drop of nearly 9%, and South Korea's composite index triggering a trading halt due to sharp declines [1] Group 2 - The technology sector was particularly hard hit, with Nvidia's market value shrinking by $229 billion, Tesla losing $71 billion, and Amazon and Microsoft shares dropping by 5% and 3.3% respectively [2] - The Nasdaq index has fallen 22% from its historical peak, entering a technical bear market, as chip manufacturers and cloud computing companies faced sell-offs due to supply chain disruption risks [2] - The U.S. government shutdown has exacerbated market uncertainty, delaying the release of non-farm payroll data and increasing information asymmetry in the market [2] Group 3 - The escalating trade tensions have led to new challenges for the global supply chain, with the EU announcing retaliatory tariffs on $28 billion worth of U.S. goods and China implementing a comprehensive 34% tariff on U.S. imports [3] - Key industries such as automotive, semiconductors, and agriculture are facing dual cost pressures, prompting the International Monetary Fund to lower its global economic growth forecast for 2025 from 2.8% to 2.2% [3] - Analysts suggest that the escalation of trade friction may lead to systematic downgrades in corporate earnings expectations, potentially hindering the recovery of global stock market valuations [3]