European shares were mixed as investors monitored developments in Russia and Scotland, as well as eyeing an important Fed meeting next week.
Crude oil revisited levels near multi-month lows, pressured by a strong dollar, weak demand and ample supplies.
Gold posted its worst week since May on Friday, as a lack of physical and investment demand and widespread commodities losses weighed on bullion.
The dollar index was headed for a ninth consecutive week of gains after retail sales data added to expectations that U.S. growth is gaining steam.
Asian equity markets were mixed on the final trading day of the week as investors avoided making aggressive bets before a key set of Chinese data over the weekend.
Stocks cut losses to close mixed on Thursday as geopolitical tensions lingered ahead of consumer data.
European shares closed lower on Thursday on concerns regarding U.S. military action and an independence vote in Scotland.
Oil rebounded from multi-month lows on Thursday, with U.S. crude staging a modest recovery from an 8 month low.
Gold logged its fourth straight daily loss on Thursday, weighed by increasing speculation that the Fed could soon raise rates sooner than expected.
The U.S. dollar hit a six-year high against the yen and sterling recovered some ground after recent nerves over Scottish independence.
Asian indices traded mixed on Thursday, overlooking a positive handover from Wall Street.
Stocks rose on Wednesday, with social-media shares helping lift the technology sector.
Yields rose as traders absorbed a new supply of US 10-year notes and continued to anticipate a more hawkish statement from the Fed next week.
EU shares closed flat to lower on Wednesday, on fears over when the Fed might start to raise key rates and the upcoming vote in Scotland.
Crude was hammered from all sides, dropping more than 1 percent on the day to new multi-month lows as traders feared the demand outlook.
Wall Street looked set to open narrowly lower on Friday on this week's key U.S release—retail sales.
Gold fell near its lowest in seven months, pulled down by fears that encouraging economic data could prompt the Fed to raise interest rates sooner.
The dollar also trounced the Australian dollar and several emerging currencies on Wednesday, the latest sign of a long-awaited return of volatility.
Fears that the Federal Reserve could raise interest rates sooner rather than later sent Asian indices spiraling on Wednesday.
Stocks fell Tuesday, extending losses after the S&P 500's biggest drop in a month.
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Total economic losses from drought in the United States are likely to reach at least $3 billion.
China is "not going in for a crash," former Morgan Stanley Asia chairman Stephen Roach says.
The treasury secretary, in an exclusive CNBC interview, also said the market turmoil isn't a major concern at this point.