The euro dropped to a two-week low on Friday after a slowdown in euro zone inflation sparked speculation the European Central Bank may take action.
Gold fell to a three-week low and headed for a weekly drop as upbeat US economic data lifted the dollar.
Gold prices settled nearly 2 percent lower on Thursday, pressured as commodity funds sold to square books.
The dollar hovered near a two-week high on Thursday as some investors cut negative bets on the currency.
Gold firmed as investors were tempted back to bullion by expectations that the Fed will postpone tapering its monetary stimulus program.
Asian stocks tracked their U.S. peers lower on Thursday following a slightly less dovish than expected tone from the Federal Reserve.
Gold prices eased earlier gains on Wednesday after the Fed signaled that is planed to keep its maintain its massive bond-buying campaign intact.
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.
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