美国股市周二下跌，延续了前一交易日的跌幅，标准普尔500指数下跌0.8%，纳斯达克指数下跌1%，道琼斯指数下跌约260点。由于持续的关税不确定性和对贸易紧张局势对企业盈利影响的日益担忧，投资者情绪仍然低迷。特朗普总统计划于周二会见加拿大总理卡尼，而美国与几个国家之间的谈判仍在继续，尽管尚未达成正式协议。与此同时，由于预计4月份将征收新关税，3月份美国进口再次飙升。联邦公开市场委员会会议今天开始，人们普遍预计美联储将保持利率稳定。科技和健康是表现最差的行业，而能源和公用事业则有所上涨。Palantir Technologies在投资者失望后下跌近12%，而福特上涨1.9%，尽管警告称关税可能会使2025年的收益减少约25亿美元。

Stocks in the US declined on Tuesday, extending losses from the previous session, with the S&P 500 falling 0.8%, the Nasdaq sinking 1% and the Dow Jones falling about 260 points. Investor sentiment remained subdued amid persistent tariff uncertainty and growing concerns over the impact of trade tensions on corporate earnings. President Trump is scheduled to meet Canadian Prime Minister Carney on Tuesday, while negotiations between the US and several countries continue, though no formal agreements have been reached. Meanwhile, US imports in March soared again in anticipation of new tariffs in April. The FOMC meeting begins today, with the Fed widely expected to hold interest rates steady. Tech and health were the worst performing sectors while energy and utilities booked gains. Palantir Technologies tumbled nearly 12% after disappointing investors, while Ford gained 1.9% despite warning that tariffs could reduce 2025 earnings by approximately $2.5 billion.