If a deal is reached with Iran and sanctions are lifted, how much of an oversupply in oil will we see? Richard Mallinson, geopolitical analyst at Energy Aspects, says it's a question of both volume and time.» Read More
Andrii Kuzmenko, acting Ukrainian ambassador to the U.K., says Russia would see a retaliation from Ukraine as grounds to invade and urges the EU and U.S. to implement sectorial sanctions.
Jordan Crook, writer at TechCrunch, says shareholders should remain patient with Amazon as it's "making a land-grab" to bring in future yields.
Greg Valliere, chief political strategist at Potomac Research Group, says there is no chance for a fundamental tax reform in the U.S. this year but that the 2015 outlook for tax inversion could be "cloudier".
Hootan Yazhari, head of frontier markets equity research at BofA Merrill Lynch, explains why Saudi Arabia's move to open its market to foreign investors as a "huge game-changer for the region".
Mujtaba Rahman, senior European analyst at Eurasia, says that harsher EU sanctions against Russia could be implemented next week and that Germany, France and the U.K. will feel the pain "equally".
Marc Ostwald, strategist at ADM Investor Services, says the preliminary reading of the U.K.'s second quarter GDP is unlikely to change the outlook for rates.
Cato Stonex, fund manager at THS Partners, comments on BskyB's acquisition of Sky Deutschland and says that the long-term prospects in Germany are "excellent".
Pierre-Francois Riolacci, CFO at Air France-KLM, discusses the group's outlook for 2014 and explains what their new mid-term strategic plan includes.
Jaco Rouw, senior portfolio manager for core fixed income at ING Investment Management, reacts to the latest German Ifo data and highlights that it's down for the third consecutive month.
Itay Michaeli, auto analyst at Citi, discusses General Motors (GM) and Ford ahead of their quarterly results. He says GM's outlook for the rest of the year should be pretty positive on the back of strong U.S. results.
Justin Lafferty, editor of Inside Facebook, discusses Facebook's earnings and, in particular, its strategy for attracting advertisements.
Cole Smead, managing director at Smead Capital Management, says that he has hardly any exposure to the tech sector, because technology companies tend to have weak free cash flow positions.
The Norwegian police has received information on an imminent terrorist attack. Sevincer Vedat, managing editor at The Nordic Page talks to CNBC about what is known so far.
John Strickland, director at JLS Consulting, comments on easyJet following the release of quarterly results and says the group is "investing in its future".
Ron Wahid, CEO of Arcanum, says the West needs to impose tougher sanctions on Russia and discusses public opinion in Russia.
Peter Dixon, senior economist at Commerzbank Securities, discusses the latest euro zone flash composite PMI data and says it shows "significant regional differences".
Patrick Moorhead, president and principal analyst at Moor Insight & Strategy, says he's "very skeptical" of a 2016 Nokia break-even and discusses Microsoft's mobile and cloud strategy.
Aaron Rakers, managing director at Stifel, discusses Apple's strategy in emerging markets and highlights that the group's cash position is "very consistently strong".
David Enrich, European banking editor at the Wall Street Journal, says the data Deutsche Bank's U.S. unit presents to regulators is "completely screwed up".
Daniel Morris, global investment strategist at TIAA-CREF Asset Management, discusses the earnings season and how companies "under-promising" are giving the market a boost.
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."