CNBC's Eamon Javers reports new sanctions imposed by President Obama on Russia targets 16 government officials and will hit specific sectors of the Russian economy.
Russia says it has imposed entry bans on nine U.S. lawmakers and officials in retaliation to Washington's sanctions over Crimea.
European stocks closed slightly higher on Thursday, despite concerns about the unwinding of ultra-easy monetary policy in the U.S.
CNBC's Dominic Chu reports the S&P has revised its credit outlook on the Russian Federation from stable to negative.
CNBC's Eamon Javers reports President Obama announced the U.S. will sanction an additional 20 Russian officials.
U.K. prime minister David Cameron calls on the EU to act with a "clear and united voice" to sanction Russia's "unacceptable" behavior.
Political and diplomatic isolation will hurt Putin's pride says Lithuania president, Dalia Grybauskaité, adding that Russia should be suspended from the G8.
Alexander Stubb, Finalnd's minister for European affairs and foreign trade, says that while there isn't much that can be done to counter Russia's annexation of Crimea, Europe is acting in a united way.
President Obama says the U.S. will impose additional sanctions on Russia including on senior officials in Russian government and a bank that provides material support. Additionally, the U.S. will impose sanctions on key sectors of the Russian economy that could potentially disrupt global markets.
CNBC's Eamon Javers reacts to President Obama's decision to ratchet up sanctions against Russia including a Russian bank.
Nina Schick, policy advisor at OpenEurope, discusses what the future holds for Ukraine and outlines sanctions the West could impose that would "hurt" Russia.
We're "seeing history being made" at great speed as from Friday, Crimea will officially and legally be Russian, NBC's Jim Maceda reports, adding that the West is expanding its list of Russian citizens to be sanctioned.
Joseph Dayan, executive director at BCS Prime Brokerage, says that several European Union countries have different economic contracts with Russia, making a cohesive sanction plan difficult for the 28-nation bloc.
CNBC's Julia Chatterley, discusses what actions European Union leaders might take against Russia and whether more sanctions are in the pipeline.
Holman Jenkins, Wall Street Journal editorial board, discuss the strength of sanctions against Russia and how targeting individuals would hurt Vladimir Putin and the economy.
President Obama will push diplomatic efforts to bring pressure on Russia to loosen its grip on Crimea.
Of the half a trillion dollars held by Russians outside the country, roughly two-thirds is held in accounts in just three countries.
The White House is doling out investment advice on Russia, but not all investors agree with its take.
Closely entwined economically with Russia, Germany is a pivotal player in the West's standoff with Russia.
Vice President Joe Biden warns Russia that the United States will respond to any aggression against NATO allies.