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The United States dollar (symbol: $; currency code: USD; also abbreviated US$ to distinguish it from other dollar-denominated currencies; referred to as the dollar, U.S. dollar, American dollar, or colloquially buck) is the official currency of the United States and several other countries.

2025年4月5日 · dollar, originally, a silver coin that circulated in many European countries; in modern times, the name of the standard monetary unit in the United States, Canada, Australia, New Zealand, and other countries.

6 天之前 · The recent dollar move comes as the U.S. bond and stock markets have both slid—the S&P 500 is down 8% since Wednesday as 10-year Treasury yields jumped by nearly 40 basis points to a two-month ...

6 天之前 · The U.S. dollar is assessed by its purchasing power and exchange rate relative to other currencies. Many, or all, of the products featured on this page are from our advertising partners who ...

2025年4月10日 · The dollar has fallen since President Donald Trump announced new tariffs last week.

The United States dollar (or American dollar) is the official currency of the United States of America. It is also used in some other countries outside the US . It is the standard currency for international markets selling goods such as gold and oil ( petrol ).

The quantity of silver chosen in 1792 to correspond to one dollar, namely, 371.25 grains of pure silver, is very close to the geometric mean of one troy pound and one pennyweight. In what follows, "dollar" will be used as a unit of mass.

1 天前 · THE DOLLAR is meant to be a source of safety. Lately, however, it has been a cause of fear. Since its peak in mid-January the greenback has fallen by over 9% against a basket of major currencies ...

3 天之前 · The dollar is on one side of nearly 90 percent of all foreign-exchange trades, according to the Bank for International Settlements, from Americans abroad using their credit cards to large ...