美股再次大幅下跌

Market Overview - The U.S. stock market experienced significant declines, with the Dow Jones Industrial Average dropping 427.51 points (0.99%) to close at 42,579.08 points, and the Nasdaq Composite Index falling 2.61% to 18,069.26 points, officially entering a technical correction zone [1][4] - The S&P 500 Index decreased by 1.78%, closing at 5,738.52 points, marking its lowest point since early November [5] Economic Policies and Market Reactions - The recent downturn followed the implementation of tariffs on Canada and Mexico, which unsettled financial markets, leading to retaliatory measures from Canada and anticipated responses from Mexico [4] - The White House announced a one-month delay in imposing tariffs on certain auto manufacturers under the USMCA agreement, which initially sparked a market rebound but ultimately failed to sustain investor confidence [4][5] - Treasury Secretary Scott Bessenet's support for the tariff policy raised concerns about the administration's long-term commitment to these controversial measures, contributing to market volatility [5] Sector Performance - In the Chinese stock market, the Direxion 3x Bull China Daily ETF (YINN) rose by 1.03%, while the iShares MSCI China ETF (MCHI) fell by 0.55% [3] - The semiconductor sector faced significant declines, particularly Marvell Technology, which dropped nearly 20% due to mixed first-quarter financial forecasts, impacting other semiconductor companies as well [5] Economic Indicators - Recent economic reports indicated potential negative impacts of Trump's policies on the U.S. economy, with rising costs due to tariffs and a surge in layoff announcements reaching the highest level since 2020 [6] - The Federal Reserve's Beige Book and ISM manufacturing data highlighted increased cost pressures on businesses due to tariffs [6] European Central Bank Actions - The European Central Bank (ECB) announced a 25 basis point rate cut, reducing the deposit facility rate to 2.5%, as part of ongoing efforts to stimulate a sluggish economy [8][9] - Despite a slight increase in inflation, overall inflation rates in the Eurozone remain below 3%, with GDP growth in the last quarter showing only a 0.1% increase [9][10] - The ECB's decision comes amid uncertainties related to potential U.S. tariffs on European goods, complicating the monetary policy landscape [9][10]