European Closing Bell

Abdulla Al Awar, CEO of DIFC, told CNBC, "I don't believe that Dubai actually lost its edge over the course of the past three years, if we look at some of the statistics we understand that despite the global economic crisis we did see an influx of institutions nevertheless coming in."

Yanis Varoufakis, professor at the University of Athens, told CNBC, "this bailout is certainly not the right answer for anyone, for Greece, for the euro zone, for the world. Here we have a typical bankruptcy problem, the first time around we decided to treat it like an illiquidity problem, it wasn't."

Rupert Nathan, head of fund management at Fat Prophets, told CNBC, "this is hardly surprising, it is a very good deal for Glencore but for Xstrata probably not so good, if you are looking at the ratio 2.8 to 1 Glencore shares, they are saying it is a 15 percent premium but realistically if you base it on today's figures it is more like eight percent.

Joel Stainton, head of research and trading strategy at SEB Futures, joined CNBC, for a technical look at the markets.

Richard Perry, chief market strategist at Central Markets, joined CNBC for a technical look at the Euro/Dollar, USD/AUD and the USD/CAD,

Paul Polman, CEO of Unilever, told CNBC, "I said for a long time that Europe will be in for a slow and long recovery, the amount of de-leveraging that needs to be done is enormous and I don't think you will see for the next five years anything."

Daniel Stillhart, portfolio manager and technical analyst at Frankfurter Bankgesellschaft Zurich, joined CNBC for a technical look at the NYMEX crude oil future, natural gas future and gasoline future.

Dennis Berman, market place editor at the Wall Street Journal, told CNBC, "right now the talk in the market is an overall value of 75 billion to 100 billion, a five billion share of that would be a rather small offering."

Peter Bauer, CEO of Infineon, told CNBC, "well there is a multitude of businesses that we are serving through our energy efficiency, mobility and security portfolio and as you said the automotive portfolio looks quite resilient and stable also going forward."

Steve Grob, director of group strategy at Fidessa, told CNBC, " I think NYSE is in a better shape because it is already operating an existing international franchise, but I think the big worry for both of them is that now the lid is off the whole issue of competition in derivatives, does that mean that regulators are going to look further at their fairly lucrative derivative clearing businesses."

Tim McCullough, technical strategist at Lloyds TSB Bank, joined CNBC for a technical look at the US yield curve.

Michael Plavnik, head of the short- term interest rate desk at Citigroup, told CNBC, "we are really just waiting to get more direction from the Greek deal before the Euro will take its next direction that will be lower."

Bill Gross, Co-CIO, founder and managing director of PIMCO, told CNBC, "Portugal was purchased today in small amounts by the ECB and perhaps that leant a little bit of a lift to ten year prices there but basically those yields of 15, 16,17, percent are signifying the increasing probability of default."

A price of $100 a barrel for oil is sustainable both for producers, who can invest and have enough income and for consumers, whose economies can flourish with oil at that level, OPEC Secretary General Abdalla Salem El-Badri told CNBC.

Martin Schulz, European Parliament President, talks to CNBC about the crisis in the European Union and about youth unemployment.

Ellen Kullman, CEO of DuPont joined CNBC to discuss the global economy. "It's a mixed bag," she said, adding that growth at DuPont would come from innovation.

Roland Rudd, chairman, Business for New Europe joined CNBC in Davos to discuss fairness in executive pay. "Governments have to stand up for what business does," he said, adding they need their growth engine.

Imran Khan, chairman, Pakistan Tehrik-i-Insaf, Movement for Justice, told CNBC, "the nuclear weapons in Pakistan are safe, so that is the good news, the bad news is that the economy has nose dived, massive unemployment, inflation but the positive side is that for the first time in 40 years there is a mass movement for change, much bigger than what you see in the Middle East."

Aria Finger, COO of DoSomething.org and Philip Jennings, general secretary of UNI Global Union joined CNBC to discuss youth unemployment.

Lamido Sanusi, Nigeria's Central Bank Governor, told CNBC, "it is important to remember that Kano itself is a Muslim city, it is the largest Muslim city in the country and Boko Haram has bombed police, the army, Muslims and Christians, so it is not really a Muslim versus Christian issue."