The dollar turned positive against a basket of major world currencies in thin trade on Wednesday.
Asian equity markets were mixed on the first day of the month but signs of a continuing economic recovery in China helped lift sentiment.
Stocks declined, with the S&P 500 halting a four-session record run, as Wall Street reacted to the Federal Reserve's decision to hold off on reducing its monetary stimulus.
Autos and banking stocks helped European indexes to close higher on Thursday.
crude futures slid on Thursday, as traders took profit and turned their focus to the end of the U.S. refinery maintenance season, expected to boost demand for U.S. crude.
Asian equities rose on Wednesday, taking their cue from a record finish on Wall Street ahead of a monetary-policy decision from the Federal Reserve.
Treasurys traded near flat as investors prepared to make room for the rest of the week's $96 billion in longer-dated supply.
European equities closed narrowly lower in a choppy trading session on Monday.
Crude futures rose sharply on Monday, with U.S. oil settling just shy of $99 after a drop in Libyan oil exports revived supply concerns.
Gold hit a five-week high after weak economic data buoyed investor belief that the Fed would stick with its stimulus measures.
European stocks closed higher on Tuesday thanks to strong earnings from BP and Saipem, as well as upbeat data from Nokia.
Stocks finished near session highs Tuesday, with the S&P 500 touching a fresh high and the Dow within 50 points of an all-time record, as investors looked ahead to the Federal Reserve's announcement.
U.S. oil ended Wednesday on a sharply weaker note, tumbling below $97 per barrel after being hit by a double-whammy of surging crude stockpiles and a Fed that preserved the status quo.
Crude fell on Tuesday, on expectations that recent disruptions in exports from OPEC member Libya could be short-lived.
Gold settled lower as investors started to factor in expectations the Fed will maintain monetary stimulus.
The euro hovered close to a two-year high against the dollar on Friday.
Stocks were slightly higher Monday, with the S&P 500 pushing to a fresh high, but gains were limited as investors digested a batch of mixed earnings reports and ahead of the Federal Reserve's policy-setting meeting.
Asian stocks were dealt a blow on Friday as concerns over a repeat of June's credit crunch in China overshadowed gains on Wall Street.
The dollar edged higher on Monday but held close to a nine-month low against a basket of currencies.
Asian stocks rallied on Monday following record highs on Wall Street late last week and as attention turned to the region's corporate earnings season.