Billionaire investor Warren Buffett told CNBC that if Greece ended up leaving the euro zone, "that may not be a bad thing for the euro."
Russia faces five years of economic stagnation, the country's former finance minister warned President Vladimir Putin.
The Vatican and Italy on Wednesday signed an agreement to share financial and tax information.
Two entrepreneurs - one Spanish, one Portuguese - tell CNBC.com how they have managed their business during tough economic times.
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Israeli Prime Minister Benjamin Netanyahu issues another warning on the potential Iran nuclear deal, saying that the international community must now demand a better outcome.
Tina Fordham, chief political analyst at Citi, says that the extension of the Iran nuclear talks is "encouraging" as it shows both sides are serious.
As the nuclear talks for Iran are extended, CNBC's Hadley Gamble discusses how different sides are reacting to this potential deal.