U.S. oil fell 4 percent after the Saudi deputy crown prince cast doubt over a possible production freeze.
U.S. stock index futures indicated a higher open with investors closely watching the price of oil.
U.S. stocks closed narrowly mixed Thursday, the final trading day of the quarter, ahead of the monthly employment report due Friday.
U.S. government debt prices were higher on Thursday morning.
European shares closed lower Thursday as investors paused for breath and awaited key jobs data due out in the U.S. on Friday.
The dollar hit its lowest level in more than five months against a basket of currencies on Thursday.
Gold rose as the dollar retreated, keeping the metal on course for its biggest quarterly gain in nearly 30 years.
U.S. oil prices closed slightly higher on Thursday, and posted their largest monthly gain in almost a year.
U.S. sovereign bonds prices edged lower Wednesday as markets digested dovish signals by U.S. Federal Reserve Chair Janet Yellen and looked ahead to ADP private payrolls data.
U.S. stock index futures indicated a lower open on Friday morning, following declines overseas on some disappointing data, as oil prices fell.
Asia markets ended mixed on Thursday, with some partially retracing advances following Federal Reserve chair Yellen's dovish remarks earlier this week.
U.S. stocks closed higher Wednesday as equities extended Tuesday afternoon's gains following Yellen's cautious stance on the path of tightening.
Argentina is set to launch a $12 billion-plus bond that would mark a return to the capital markets after 14 years and settle a lengthy dispute with global hedge funds.
European markets finished sharply higher on Wednesday following dovish comments by Fed chair and a solid recovery in commodity stocks.
Most Asian markets advanced after remarks from Fed chair Yellen assuaged concerns about a near-term interest rate hike, but Japan's shares retreated.
U.S. crude closed roughly flat on Wednesday, giving up gains after the government reported another weekly build in crude inventories.
Gold fell more than 1 percent on Wednesday as a rally in assets seen as higher risk.
The dollar hit its lowest level against the euro in nearly seven weeks following dovish comments from Fed Chair Janet Yellen.
U.S. stock index futures indicated a flat open on Thursday as investors looked ahead to several U.S. Federal Reserve speakers.
U.S. stocks closed higher, led by gains in tech stocks, after Yellen said it is appropriate for policymakers to proceed 'cautiously.'