日元小幅走弱，兑美元逼近一个关键水平，可能加剧市场对日本政府再次出手支撑日元的猜测。

　　由于东京市场周二因假日休市，市场波动较为温和，但交易员正为日元跌向1美元兑160日元做准备。160是一个关键水平，过去曾对日元进一步贬值形成制约。伦敦交易时段，日元一度下跌0.1%，至1美元兑159.39。

　　周一，日元创2月中旬以来最大单日跌幅，下跌1%，当日美元兑多数十国集团货币走强。日元目前已经抹去7月31日以来近一半的涨幅。当时，日本和美国实施了自1998年以来首次协调干预，以支撑日元。

　　瑞穗银行高级策略师Masayuki Nakajima在一份报告中写道：“如果美元/日元明确突破具有重要心理意义的160关口，市场对干预的担忧可能进一步升温。

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