The dollar slid against the yen on Monday, remaining under pressure after Friday's jobs figures lowered expectations that the Federal Reserve would start reducing its bond purchases in the near term.
The dollar tumbled against the euro and the yen on Friday after mixed signals about the US labor market.
The euro and sterling fell against the dollar on Thursday as investors sold them before European Central Bank and Bank of England policy meetings expected to re-affirm loose monetary policy.
The dollar extended gains against the euro and yen on Wednesday, hitting session highs after data showed the U.S. economy grew faster than expected in the second quarter.
The dollar edged higher on Tuesday, recovering from recent falls, on caution that the Federal Reserve may lay the groundwork for curbing stimulus at a policy meeting this week.
The dollar fell to a one-month low against the yen on Monday and a five-week trough against a basket of currencies on expectations the Fed intends to keep interest rates low.
The dollar fell to a five-week low against a basket of major currencies on Friday.
The dollar fell to a fresh one-month low against the euro on Thursday in thin trading, as investors tested key resistance levels in the euro zone currency.
The dollar rallied across the board on Wednesday, bolstered by a rise in U.S. Treasury yields that suggested the recovery in the world's largest economy was firmly on track.
The dollar was broadly weaker on Tuesday, falling to a one-month low against the euro in thin trading.
The yen rose against the dollar for the first time in four sessions on Monday after Japanese Prime Minister Shinzo Abe won a widely expected victory in elections for parliament's upper house.
The dollar fell against the yen in late trade on Friday as investors adjusted positions before Japan's upper house elections on Sunday.
The yen fell across the board on Thursday as traders bet Japan's upper house elections would strengthen Prime Minister Shinzo Abe's position.
The dollar rose broadly on Wednesday after Federal Reserve Chairman Ben Bernanke confirmed market expectations that the U.S. central bank will start reducing its monetary stimulus.
The dollar stayed on the defensive on Wednesday ahead of Federal Reserve Ben Bernanke's semi-annual testimony in Congress later in the day.
The dollar eased versus a basket of currencies Tuesday, supported by the view that the Fed is likely to be the first to move away from ultra-loose monetary policy.
Fund managers are more bullish on the dollar than ever before, with a record number expecting the greenback to strengthen in the next 12 months.
The dollar rose on Monday amid anticipation of improved U.S. sales data which could hasten moves by the country's central bank to wind down its stimulus programme.
The U.S. dollar fell to multi-week lows as traders scaled back expectations that the Federal Reserve will slow its asset purchases in the coming months.
The dollar tumbled against the euro and yen on Wednesday after the minutes from the Fed's policy meeting dented expectations of a near-term reduction in stimulus.