The euro fell sharply against the dollar on Tuesday after Reuters reported the European Central Bank was looking at buying corporate bonds.
Major currencies traded in tight ranges on Monday with investors facing a vacuum of data and modest price changes in global markets.
The U.S. dollar edged higher against a basket of major currencies on Friday after strong data on U.S. consumer sentiment calmed nerves.
The U.S. dollar recovered against a basket of major currencies on Thursday on the view that Wednesday's selloff was overdone.
The U.S. dollar hit a three-week low against the euro and a more than one-month low against the yen on Wednesday.
The U.S. dollar recovered against a basket of major currencies on Tuesday after worrying economic data came out of the euro zone and United Kingdom.
The US dollar fell against a basket of major currencies on Monday on concerns that the Fed may delay its first interest rate hike.
The dollar firmed for a second straight session on Friday after three days of losses, bolstered by worries about the health of the global economy.
Following the Fed's warning of a strong dollar, investors are reassessing the timing and size of a rate hike, according to currency strategists.
The dollar tumbled to a three-week low against the yen on Thursday as investors continued to pare back bullish bets on the greenback.
The dollar fell to a two-week low against the euro on Wednesday after the minutes of the latest Fed meeting focused on risks to the U.S. economy.
The dollar fell to a three week-low against the yen on Tuesday, retracing most of its gains posted last week.
The dollar paused for breath in early European trade after forecast-beating U.S. jobs data on Friday.
It hasn't taken sterling long to lose all the gains from the relief rally which followed Scotland's vote against independence.
The dollar climbed to a more than four-year peak on Friday after a report showing the U.S. economy created more jobs than expected last month.
The yen held its gains against the dollar on Thursday after weak manufacturing surveys from around the globe and an Ebola health scare in the United States.
The dollar dropped from six-year highs against the yen on Wednesday, weighed down by a fall in U.S. Treasury debt yields.
The dollar index briefly trimmed its earlier gains on Tuesday after weaker-than-expected home price data in July raised doubts about the U.S. economy.
The dollar's three-month rally took a breather on Monday on nervousness over Beijing's response to democracy protests in Hong Kong.
The U.S. dollar held on to its four-year high on Friday, thanks to Thursday’s Wall Street selloff.