据道琼斯8月28日消息，原油期货周二走低，因为在美国与墨西哥就修改贸易协定达成初步协议后，投资者获利了结。
纽约商业交易所十月交割的轻质低硫原油期货结算价下跌0.5%，至每桶68.53美元，早盘时一度升至每桶69.20美元，之后掉头下跌。布伦特原油期货也先涨后跌，下跌0.3%，至每桶75.95美元。
美国总统特朗普周一称，美国与墨西哥达成贸易协议，朝着修订《北美自由贸易协定》更进一步，但可能将加拿大排除在外。
庞晓华 摘译自 道琼斯
原文如下：
Oil Prices Settle Lower Oil prices settled lower Tuesday as investors took profits after the U.S. and Mexico reached a preliminary deal to revamp their trade agreement.
Light, sweet crude for October delivery settled down 0.5% at $68.53 a barrel President Donald Trump said Monday that the U.S. had reached a trade deal with Mexico that would revise the North American Free Trade Agreement but could potentially exclude Canada.
