U.S. Treasury prices edged lower on expectations that Federal Reserve Chair Janet Yellen could take a less accommodative stance on interest rates.
European shares closed higher, with earnings news from the U.S. and merger and acquisition activity helping bourses post healthy gains.
Gold prices slid more than 2 percent as concerns over the euro zone periphery faded, triggering a rebound in stock markets.
The yen eased on Tuesday after the Bank of Japan's growth warning, but it stopped short of hinting at a new bout of money-printing.
Oil headed for its third weekly loss as worries about supply disruptions in the Middle East and North Africa eased.
Oil prices were little changed as traders weighed turbulence in the Middle East against signs of a market well-supplied with crude.
Stocks declined Thursday, tracking European shares, on worries about one of Portugal's top banks.
U.S. Treasury prices continued to rally on future Fed action and safe-haven demand stemming from worries about Portugal's biggest listed bank.
U.S. stock index futures indicated a higher open, ahead of a bumper week of second-quarter earnings.
U.S. stocks climbed on Friday, but closed lower for the week, as investors weighed Wells Fargo results and readied for a slew earnings ahead.
The yen rose as investors sought shelter from economic stress in Europe.
The dollar was steady as investors awaited pivotal events, including Fed Chair Janet Yellen's congressional testimony, for fresh cues.
The yen was near a five-month peak against the euro as banking woes in Portugal drove equities lower and lifted demand for the safe-haven currency.
Bonds held on to earlier gains on Thursday after the U.S. government's auction of 30-year Treasury bonds, the last of three debt auctions this week.
U.S. stock index futures pointed to a higher open, after a bumpy day which saw concerns over Portugal's banking sector cross the Atlantic.
Gold also gained support from India's decision to keep the import duty on gold unchanged at a record 10 percent in the budget, against expectations.
U.S. stock index futures indicated a sharply lower open, despite relatively dovish minutes from the Fed, amid earnings caution.
Crude rose as profit-taking on an extended losing streak momentarily outweighed the prospect of solid supply and weak U.S. gas demand.
The euro traded marginally stronger, with traders looking to a speech by ECB and minutes from the Fed meeting today.
Asian stocks were mixed on Friday on fears that issues at Portugal's biggest bank could hurt European periphery markets.
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