It is sitting at a record low against the euro and at a 30-year low against the Canadian dollar.Even the Argentina peso and Brazilian real are thriving against the dollar.

• 美元兑换欧元的汇率跌落至历史的最低点，美元兑换加拿大元的汇率也创下了30年的新低，甚至阿根廷比索和巴西里拉也对美元保持着坚挺的汇率。