一、三大因素推动美元升值,但最长持续六个月10月份的外汇市场屡屡掀起惊涛骇浪。日元汇率暴涨至91,达到1996年以来的新高,欧元汇率的跳水速度甚至超过了2000年欧元地位岌岌可危时下跌的速度,以澳元为代表的高息货币仅三个月就从7月份的高位下跌了30%～40%。新兴市场货币甚至出现了日波幅超过10%的惊心动魄的场面, First, the three major factors to promote the appreciation of the dollar, but for up to six months in October the foreign exchange market often set off a stormy sea. The yen exchange rate soared to 91, reaching a new high since 1996. The euro’s exchange rate even dived faster than the euro’s precarious situation in 2000. The high-yielding currency, represented by the Australian dollar, rose from a July high of only three months Fell by 30% to 40%. Emerging market currencies even appear thrilling scenes with daily amplitudes of over 10%