美国运通（American Express）今日盘中股价大幅下跌6.88%，引发市场广泛关注。这一跌幅主要受到美国总统特朗普宣布新一轮关税政策的影响，以及由此引发的消费者信心下降担忧。
据报道，特朗普周三表示将对包括中国和欧盟在内的主要地区征收关税。这一举措引发了市场对全面贸易战可能将全球经济推入衰退的担忧。新的关税政策似乎针对约60个国家，10%的基本关税将于4月5日生效，更高的互惠税率将于4月9日生效。
作为主要信用卡发行商，美国运通的业务表现与消费者支出密切相关。分析人士指出，由于各经济体面临关税和全球贸易战的压力，消费者信心可能受挫，支付公司面临信用卡消费放缓的风险。这一担忧直接影响了投资者对美国运通等信用卡公司的信心。值得注意的是，同行业的维萨和万事达卡也出现了不同程度的下跌，反映出市场对整个支付行业前景的担忧。
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