Philippe Legrain, former economic advisor to the president of the European Commission, says no matter what the result of the Greek referendum is, it will lead to "chaos and limbo."» Read More
Michael Massourakis, chief economist at Alpha Bank, says Greece can manage its debt levels and the country does not deserve the negativity investors are giving it.
Kully Samra, managing director at Charles Schwab, says inflation in the U.S. will rise faster than expected despite downward pressure on energy prices.
Tightening sanctions on Russia will be on the top of the agenda for an EU leaders meeting on Thursday, CNBC's Hadley Gamble reports.
The ruble's volatility suggests that many traders and investors have been caught off guard by events in Russia.a.
Petros Doukas, former deputy finance minister of Greece, says radical left group Syriza will have to "U-turn" on its anti-austerity policy if its gets into government as it will face the "harsh reality" of the Troika's demands.
Fritz Joussen and Peter Long, co-CEOs of TUI Group, says the merger of Tui AG and Tui Travel has put the companies in a "stronger position" to deal with difficulties in the global economy.
José María Roldán, president of the Spanish Banking Association, says the problem of non-performing loans for Spanish banks is a "done business" with institutions looking safer than before the financial crisis.
European shares opened lower on Wednesday as investors turn their attention to the U.S. Federal Reserve's policy meeting.
Talib Sheikh, global income fund manager at JPMorgan Asset Management, says the Santa rally has been delayed but equities are still the place to be.
Frans van Houten, CEO of Philips, says the company's acquisition of Volcano has created a "true winner" in the health image guided therapy space.
Tim Clark, president of Emirates Airline, says the discontinuation of the Airbus A380 is "not an idea we entertain" because the aircraft has great "economics".
Luis Costa, head of CEEMEA FX and rates strategy at Citi, says the Central Bank of Russia has reacted too slow to the declining currency and needs to intervene in the FX market to halt the ruble's fall.
Chris Watling, CEO of Longview Economics, says it is likely that Russia will impose capital controls in order to stem the decline of the ruble.
Speaking ahead of the first round of voting in the Greek presidential election, Konstantinos Michalos, president of the Athens Chamber of Commerce and Industry, says the country is facing a "national crisis" and needs a "national coalition" of the major political parties.
Frédéric Oudéa, CEO of Société Générale, says it is in the common interest of the European Union, Russia and Ukraine to resolve the conflict.
Elena Panaritis, founder of Thought 4 Action and former PASOK MP, says that Greek Prime Minister Antonis Samaras is not strongly supporting his candidate for the presidential election.
CNBC's Julia Chatterley explains how tonight's Greek's presidential vote will work and what it could mean for the country's government.
Simon Derrick, chief currency strategist at BNY Mellon, discusses the catalysts for the rapid decline of the Russian ruble.
Simon Derrick, chief currency strategist at BNY Mellon, says policy divergence between the European Central Bank and U.S. Federal reserve will see euro/dollar fall to $1.10 in 12 months.
Andrew Bailey, deputy governor for prudential regulation at the Bank of England and CEO of the Prudential Regulation Authority, says the U.K.'s banking system can withstand "severe shock" after the stress tests.
Geoff Cutmore is co-anchor for CNBC’s flagship programme Squawk Box in EMEA; the three-hour show bookends the opening of European equity markets.
Based in London, Tso co-anchors CNBC flagship show in EMEA, Squawk Box, a show that sets the news agenda every trading day.
Stephen Sedgwick co-anchors CNBC's flagship program Squawk Box Europe and is also CNBC's OPEC reporter covering major meetings.