Ansgar Belke, director of Macro Economy Research at DIW Berlin, told CNBC, "what we now see is that the crisis symptoms have come to a halt to a certain stop temporarily so business climate has changed, so this has been the correct reaction."

James Ferguson, strategist at Arbuthnot Securities, Brendan Brown, head of research at Mitsubishi UFJ Securities International, Neil MacKinnon, chief economist at VTB Capital and Maurice Pomery, managing director at Strategic Alpha, joined CNBC to discuss the ECB interest rate decision.

The UK's Chancellor of the Exchequer, George Osborne, must wait to see what the economy does over the next few months before taking any more major steps, Vicky Pryce, senior managing director at FTI Consulting, told CNBC, prior to the minister's speech at the Conservative's annual conference in Manchester.

Volker Wieland, chair for Monetary Theory and Policy at the CSF, joined CNBC to discuss the European Central Bank's decision to keep its rates unchanged at 1.25%.

Ahead of the Bank of England rate decision, Geoffrey Dicks, chief economist at Novus Capital Market and Allister Heath, editor of CITYAM, joined CNBC to discuss the possible outcome of the BoE decision.

Geoff Tresman, Chairman, Punter Southall Finance and Steven Fine, Managing Partner & Head of Equities, Peel Hunt

Oil prices may hit $150 per barrel while gold will go above $2,000 in the longer term, Nick Bullman, a managing partner at CheckRisk, told CNBC.

Helmut Siekmann, Professor, Chair of Money, Currency and Central Bank Law at the Institute for Monetary and Financial Stability joined CNBC for a first reaction to the ECB's decision to hike rates by 25 basis points.

Jim O'Neill, Chairman of Goldman Sachs Asset Management told CNBC he thought an ECB rate hike was premature. The crisis in Europe was not so much a debt crisis as a crisis of governance and leadership of the European monetary union, he said.

Richard Weaver, partner at PWC joined CNBC to discuss the group's latest IPO report. He said there were many IPOs in the pipeline and investors liked them, but the timing had to be right.