The euro fell Thursday after European Central Bank President Mario Draghi said the bank did not discuss ending bond purchases.
The euro weakened Wednesday, a day before the European Central Bank is due to meet, with investors focused on Mario Draghi.
The dollar was mixed Tuesday as investors took some profits from the greenback's recent strength and evaluated the Fed.
The dollar retreated as investors evaluated whether the Fed will let inflation run above target before raising interest rates.
The dollar posted a weekly performance best after strong U.S. retail sales and producer prices data for September.
Singapore's growth in the third quarter badly missed expectations on Friday, potentially signaling weakness around the region.
The dollar tumbled on Thursday, as risk appetite took a turn for the worse after soft Chinese trade data spooked the market.
The dollar held gains Wednesday after Fed meeting minutes reinforced expectations that the central bank would hike rates in December.
The dollar hit a high on Tuesday as investors increased bets that the Federal Reserve would raise interest rates in December.
The pound steadied while the peso surged after the damaging publication of a video of Trump making vulgar comments about women.
The sterling tripped lower, while the dollar slipped on news of unexpectedly weak U.S. job growth in September.
The dollar gained against a basket of currencies on Thursday, hitting its strongest level in two months.
The dollar was little changed as upbeat data on U.S. services sector offset a weaker-than-expected report on private job growth.
The sterling stumbled against the dollar on fears over the fallout of Britain's looming exit from the European Union.
Sterling fell against the dollar after a deadline was set for the start of the formal process that will split Britain from the EU.
The euro erased losses against the dollar after hitting a nine-day low on reduced concerns surrounding Deutsche Bank's health.
The U.S. dollar hit an eight-day high against the yen on Thursday on reduced appetite for the safe-haven currency.
The U.S. dollar hit a roughly five-month low after OPEC sources told Reuters the producing group agreed to reduce its oil output.
The dollar rose against the euro after concerns surrounding Deutsche Bank caused general unease over Europe's banking sector.
The dollar fell against the yen after comments from a top BOJ official and uncertainty from impending U.S. presidential debate.