Russian President Vladimir Putin blamed "external factors" for its economic crisis Thursday, but failed to reassure investors.» Read More
Edmund Shing, global equity portfolio manager at BCS Financial Group, says the relief rally in the market has come to an end and discusses volatility in high-yield corporate bonds.
Benoit Broch, investment director at ISIS Equity Partners, discusses the business of entertainment and how best to invest in restaurants.
Anthony Skinner, director of country risk at Maplecroft, says that as Turkish president, Recep Erdogan would appoint members of the Constitutional Court - the "last buffer to his unrivalled power".
European shares closed lower for the seventh time in eight sessions on Friday. Geopolitical tensions continued to rattle investors' nerves.
Eric Hazard, acting director of Save the Children in West and Central Africa, outlines the latest steps countries are taking to tackle the Ebola epidemic.
Philippe Bodereau, global head of financial research at PIMCO, says there is a disconnect between valuations and fundamentals at the moment as geopolitical events dominate the news flow.
After imports of food from the U.S., EU, Australia, Canada and Norway were banned, Russian supermarkets are going to have to find substitutes fast.
George Spencer, CEO of Rentify, is an online lettings service, also providing landlords with the tools to manage their properties themselves, but a at "much more competitive" price than traditional lettings agent.
Peter Hutton, energy analyst at RBC Capital Markets, says that although the oil market looks dormant, a number of "big things" happening behind the scene could drive the price higher.
European stocks closed lower on Thursday, after fluctuating for much of the day, as investors reacted to rate decisions by the Bank of England and the European Central Bank.
Gildas Surry, banks analyst at BNP Paribas, discusses Commerzbank and the overall European banking sector.
Russian businesses facing the impact of a new, harsher round of sanctions can adapt to cope, according to the chief executive of Renaissance Capital.
Moody's Investors Service has put a negative outlook on the U.K. banking sector. Johannes Wassenberg, managing director at Moody's, explains that the changing regulatory framework will add pressure on U.K. lenders.
European shares closed lower on Wednesday with investors reacting to disappointing data and concerns that tensions between Russia and Ukraine could escalate further.
Cristian Maggio, emerging market strategist at TD Securities, and Holger Schmieding, chief economist at Berenberg Bank, discuss whether both the euro zone and emerging markets could be hit by a "Putin effect".
Jimmy Whitworth, head of population health at the Wellcome Trust, discusses why the latest Ebola outbreak is so serious. He says more tests of experimental drugs and vaccines need to be done.
Ian Gordon, equity research analyst at S&P Capital IQ, discusses Standard Chartered's results, and says the group's losses should be lower in the second half.
Ashley Heppenstall, CEO of Lundin Petroleum, says delays in its Norway project have negatively impacted production, but that the group should now be "past the worst".
Richard Perry, market analyst at Hantec Markets, says there is the prospect for a technical rally for the euro and that a period of sterling "bullishness" is coming to an end.
Christian Sylt, editor at Formula Money, comments on the Ecclestone bribery trail - which ended after the F1 boss offered a $100 million settlement - and what it means for the sport.