Tatiana Orlova, senior economist for Russia, CIS and Israel at RBS, says the latest round of Russia sanctions were a blow to markets sentiment.
Republican Sen. Bob Corker applauds President Obama's newly imposed sanctions on Russia for its role in destabilizing Ukraine.
Sen. Bob Corker of Tennessee, the ranking Republican on the Foreign Relations Committee, tells CNBC he has to give President Barack Obama credit where credit is due.
Carsten Nickel, senior vice president at Teneo Intelligence, discusses Germany's stance on the new Russian sanctions and says the country is keen to keep "talking channels" open.
Bill Blain, strategist at Mint Partners, says the latest U.S./EU sanctions on Russia are unlikely to have any effect, especially as the new BRICS' development bank should "change the dynamic".
Christopher Granville, managing director at Trusted Sources, and Chris Weafer, senior partner at Macro-Advisory, agree that Angela Merkel's role in the negotiations with Russia will be "critical".
Daragh McDowell, senior analyst at Maplecroft, says that the European Union's sanctions on Russia are not a major blow to the country's economy, but it shows the bloc's intent.
European Union leaders imposed further sanctions on Russia, ramping up the pressure on President Vladimir Putin. Europe's leaders talk to CNBC about the move - with some calling for more action.
Russian President Putin warned that U.S. sanctions will take relations with Russia to a "dead end" and damage U.S. business interests.
Former British ambassador to Russia, Tony Brenton, says the sanctions agreed by EU leaders are "accentuating antagonism" between Russia and the West.
President Obama addresses situations in Afghanistan, Iran and diplomatic efforts to end violence between Israel and Hamas. President Obama also announces expanded sanctions against Russian businesses and individuals.
President Obama escalated sanctions against Russia on Wednesday by targeting a series of large banks and energy and defense firms.
Vladimir Putin swung through Latin America arranging energy deals—but that's not the only thing he hoped to achieve.
Martina Bozadzhieva, senior analyst for Central and Eastern Europe at Frontier Strategy group, discusses investing in Ukraine and Russia and says forecasting and putting targets are the main challenges.
Riccardo Monti, president of the Italian Trade Agency, discusses the EU/Russia trading relationship and says that while the bloc should put pressure on Russia, it should be done in "a smart way".
Jorge Mariscal, Regional CIO, Emerging Markets at UBS, says internal weaknesses among BRICS nations was likely the main catalyst for the creation of the new development bank.
Luca Silipo, Chief Economist for Asia Pacific at Natixis, explains why emerging countries will need a multilateral institution that oversees issues like financing.
Jim Rickards, Senior Managing Director at Tangent Capital, explains how the new bank differs from the World Bank and the International Monetary Fund.
Ukraine's deputy minister of foreign affairs Danylo Lubkivsky, says Russia wants to stop Ukraine moving closer to the EU for fear of losing control in the region.
Ukraine's deputy minister of foreign affairs Danylo Lubkivsky, says the government is ready to "conduct open and transparent" dialogue with Russia.