Gold fell more than 1 percent to a five-year low on Wednesday as a bounce in the dollar fueled downside momentum, with investors continuing to pull away from the metal after its dramatic slide earlier this week.
Oil dropped on Tuesday after Iran and six global powers reached a landmark nuclear deal that would see an easing of sanctions against Tehran and a gradual increase in its oil exports.
European bonds and stocks traded cautiously on Friday before a Greek referendum on EU-prescribed reforms that could determine the country's future in the euro zone and which polls suggest could go either way.
The Swedish crown sank 1 percent on Thursday after Sweden's central bank surprised markets by cutting interest rates deeper into negative territory and saying it would pump more money into the economy, citing risks from Greece.
The dollar was near a three-week high on Thursday and world stock markets had a delicate feel, as the implication of U.S. jobs data later for a possible Fed rate hike added to Europe's uncertainty over Greece.
Crude futures hit 3-week lows on Monday as Greece shut its banks and imposed capital controls, causing widespread risk aversion, while Iran looked likely to extend nuclear negotiations with the West to export more of its oil into an oversupplied market.
Anxiety about Greece may keep Wall Street on edge early in the week, as the country moves toward what was once thought unthinkable: a default and a full exit from the euro zone.
Persistent concerns of Greece leaving the euro weighed on European stocks on Thursday, with the lack of progress in negotiations on a cash-for-reform deal for Athens pushing investors towards safe-haven German Bunds.
As the big global banks and investment houses see it, almost every outcome of Greece's stand-off with its creditors leads to a weaker euro. So why isn't the single currency falling?
Asian shares rose for a third consecutive day on Friday even as China stocks tumbled into correction territory, while the Federal Reserve's cautious stance towards lifting interest rates kept the dollar on the back foot.
Bond yields and the dollar fell on Thursday after the Federal Reserve signaled that U.S. interest rates would rise more slowly than markets had expected, while Greece's drift closer to default pushed European stocks lower.
The U.S. economy is growing moderately after a winter swoon and likely strong enough to support an interest rate increase by the end of the year, but concerns remain over the recovery of the labor market, U.S. Federal Reserve officials said on Wednesday.
The U.S. Federal Reserve is on track to raise interest rates for the first time in nearly a decade in September, according to a Reuters poll that suggests economists now are mostly confident about that timing.
The dollar held firm in early Asia on Monday, trading near 13-year highs against the yen after strong U.S. employment data bolstered expectations for an interest rate hike by the Federal Reserve before year-end.
More sales of German government bonds weighed on European stock markets on Monday, while the dollar retreated after a report - later denied - that President Barack Obama had expressed concern over its strength after a year-long rally.