The EU's economic affairs commissioner, Pierre Moscovici, voiced confidence that Greece would reach a "compromise" with its creditors by the end of the week on remaining reforms demanded under its third bailout.
Russia plans to open a $5 billion credit line for Iran to help finance infrastructure projects in the country, officials from both countries said during a visit by Moscow's energy minister.
Standard and Poor's upgraded Ukraine's credit rating from "selective default" thanks to the cash-strapped former Soviet country's ability to strike a major debt write-restructuring deal.
Moody's cut France's sovereign debt rating one notch to Aa2, saying the country will struggle with slow growth and a high debt burden for the next five years.
Greece geared up for a snap election next month, with an opinion poll showing the leftist party Syriza ahead despite a wave of defections over the country's massive new bailout.