Sanctions are in place and tensions remain high as G-7 leaders meet to discuss Russia's power grab in the Ukraine and the possibility of relaxing current gas export rules to the EU from the U.S., reports CNBC's Annette Weisbach.
NATO and the U.K. have called on Russia to "de-escalate tensions", as the Ukrainian acting foreign minister, Andriy Deshchitsya, says Russia has rejected calls for negotiations and consultations.
Edward Nusbaum, CEO at Grant Thornton, explains why business optimism is stronger in G7 countries than in emerging markets, reversing the trend from the previous year.
Alexander Mirtchev, board director at Atlantic Council, reviews the G8 meeting, its policy implications and what the main issues discussed were.
Japanese PM Abe said on Tuesday G-8 leaders expressed strong support for his "Abenomics" economic policies and heard no concerns about Japan's super easy monetary easing.
OECD Secretary General Angel Gurria, discusses the G-8, its pledge to reform corporate tax rules and Russia's importance in the debate on Syria.
Nick Parsons, head of strategy at National Australia Bank, questions whether the U.K. really wants to reform its corporate tax rules, and discusses market's resilience to the unrest in the Arab world.
Bob Parker, senior advisor at Credit Suisse, says EU-U.S. trade talks are positive as there has been an increase in protectionist measures in the past few years.
Tina Fordham, senior political analyst at Citi, comments on the U.S.'s decision to arm Syrian rebels and says that while leaders agree that tax issues need to be tackled, it will be very difficult for them to agree on a common framework.
Chuck Todd, chief White House correspondent for NBC, discusses the upcoming G8 meeting and explains why it feels like it's really just the G7 against Russia.
Two days of accommodation at a lakeside golf hotel in Northern Ireland don't come cheap- and Britain has irritated its fellow Group of Eight states by sending them hefty advance bills for the summit it is hosting there.
Harris Georgiades, Cyprus finance minister, comments on Cypriot reforms, discussions with Russia, capital controls and why he expects the first installment of the bailout shortly.
Henning Meyer, senior visiting fellow for the department of government at London School of Economics, discusses whether a treaty change is necessary for a European banking union.
Group of Seven nations finance ministers agreed to tackle the issue of how to deal with failing banks and gave gave a green light to Japan's efforts to galvanize its economy.
Jack Lew, U.S. Treasury secretary, says Europe needs to find the right balance between austerity and growth and fix its credit market issues to boost its economy.
Jack Lew, U.S. Treasury secretary, comments on the Japanese monetary policy and adds that the U.S. "will keep an eye" on whether the policies remain "within the bounds" of international agreement.
Pier Carlo Padoan, chief economist at the OECD, tells CNBC that despite results which appear disappointing, they are not pessimistic as the G7 forecast in fact indicates an improving situation.
Lael Brainard, U.S. under-secretary to the treasury for international affairs, tells CNBC that all members of the G7 will adhere to this week's currency statement, while it's important to avoid "loose talk" on currencies.
Monetary policies must not be directed at devaluing currencies, the Group of Seven nations said in a statement aimed at cooling growing international tensions over exchange rates and prompting yen to surge.
While currency investors have been busy monitoring the euro zone mess, downward pressure has been building on the yen.