OPEC's secretary general says oil prices will remain around their current levels for around a month before rebounding.
Switzerland's franc soared by almost 30 percent after the Swiss National Bank abandoned its cap against the euro.
The manufacturing sector in the euro zone remained subdued in December, marking an end to a worrying year for the region.
Why brands are using language analysis - which started out being used to fight crime - as a core part of their marketing strategy.
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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.