Richard Mallinson, geopolitical analyst at Energy Aspects, says the Ukrainian crisis should have little impact on oil supply, but highlights that oil prices could respond to other geopolitical risks.» Read More
Philip Shaw, chief economist at Investec, discusses German sentiment following the release of the ZEW data as well as the Fed's monetary policy.
John Coll, director of retail and lifestyle at Kantar Worldpanel, says the e-commerce market should grow by 47% in the next two years and discusses shopping patterns in different countries.
David Owen, chief European economist at Jefferies International, says that the U.K. inflation data "is undershooting" the Bank of England's expectations and discusses the timing for a rate hike.
Bod Dudley, CEO of BP says he's not concerned about the group's investment in Rosneft despite the situation in eastern Ukraine.
Alexander Korsik, CEO of Bashneft, says the unrest in Ukraine has had little impact on the group and that the decision to introduce a share sale either in London or Moscow will be made in "the spur of the moment".
William Patey, former U.K. ambassador to Iraq, discusses the reintroduction of American troops in Iraq and says the best outcome would be for Iraq's army to "get its act together".
Scott Shellady, CEO of Bull Reef Brokerage at TJM Institutional Services, says the tensions in the Middle-East could be what brings volatility and risk premium back to the market.
Gemma Godfrey, head of investment strategy at Brooks Macdonald, says sentiment has been "overshadowing economic realities" and there are now signs of cautions in the stock market.
Greg Valliere, chief political strategist at Potomac Research Group, says the situation in Iraq is "an enormous crisis" and that the implications are incredibly negative.
Uju Ifejika, CEO of Brittania-U, discusses how the Nigerian oil industry is looking towards Asia to make up for the loss of exports to the U.S. and highlights what the challenges for the sector are.
Johnny Mehta, CIO at Axis Investment Management Limited, discusses risks for equity markets and says that there appears to be a "high level of complacency".
U.S. medical device maker Medtronic is to buy Covidien for $42.9 billion and has announced that it would move its headquarters to Ireland, CNBC's Catherin Boyle reports.
Emiliano Mellino, senior France correspondent at Dealreporter Europe, discusses the potential Siemens/Mitsubishi's bid for Alstom and what GE could come back with to revive its offer.
Jordan Perry, principal MENA analyst at Maplecroft, discusses whether Isis can take Baghdad and what will push the West to intervene.
Diana Choyleva, head of macroeconomic research at Lombard Street Research, says China is braced for a very "different decade" under President Xi Jinping's leadership.
Bayan Sami Abdul Rahman, high representative to the U.K. for the Kurdistan Regional Government, says Kurdish troops are not entering disputed regions with Iraq to claim independence.
Jason Wagenheim, vice president and publisher at Teen Vogue, says millennials are the drivers behind decisions on technology at home.
Kevin Adams, director of fixed income at Henderson Global Investors, says falling bond yields in Europe's peripheral countries have given the government the option to pull back on austerity measures.
Holger Schmieding, chief economist at Berenberg Bank, says the European Central Bank is acting on its mandate of price stability.
Martin Schulz, senior economist at Fujitsu Research Institute, says the Bank of Japan's pledge to cut the corporate tax rate will give the country much-needed business investment.
Chatterley is CNBC’s European reporter covering key business and political events, as well as regular Eurogroup and EU leaders summits in Brussels.
Wilfred Frost is anchor of Worldwide Exchange, joining CNBC in 2014.
Seema Mody is a CNBC reporter and host of the "Trading the Twicker" segment on "Fast Money."