Greece reportedly made a 200 million euro interest payment to the IMF on Wednesday as the "nail biting" continues over Greece's bailout program.
Greek stocks fell nearly 4 percent on Tuesday and 10-year debt yields remained above 11 percent, following reports that the IMF had suggested Greece needed further debt relief.
With speculation rife over how long Saudi Arabia is content to see oil prices slump, the country's oil minister said only Allah knows about prices.
CNBC follows Greece's Finance Minister Yanis Varoufakis around the world, assessing his first three months in the job.
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CNBC Meets' Tania Bryer speaks to celebrated soprano opera singer Jessye Norman, who speaks about her childhood growing up in Augusta, Georgia.
In part two, Norman talks about her big break in opera and some of the challenges she faced early on in her career, as well as her frustrations with the "racialism" she feels still exists in U.S. Congress.
As Jessye Norman tells CNBC that she once considered running for Congress, CNBC looks at some celebrities who've dabbled in politics.