Daragh McDowell, senior Russia analyst at Maplecroft, says pro-separatist fighters in Ukraine may lay down their arms if they realize their campaign is hopeless.
Overreliance on Russian gas leaves Europe vulnerable if the Ukraine conflict escalates, analysts warned.
Pavlo Sultansky, Ambassador of Ukraine to Singapore, says the retake of Slaviansk by Ukrainian forces indicates that order being restored. He is confident that other territories will be recaptured soon.
Anders Fogh Rasmussen, secretary general of NATO, says Russia's "illegal" military action in Ukraine is a "wake-up call" for Europe to spend more on defense after years of budget cuts.
Russia's Lavrov urged a halt to Ukraine's military operation against separatist rebels in the east, warning of a new round of bloodshed.
Erik Nielsen, global chief economist at UniCredit, says Russian President Vladimir Putin's actions in Ukraine are "brutal leadership" and not done out of commercial motivation.
Ukrainian President Poroshenko said government forces would renew offensive operations against pro-Russian rebels and "free our lands".
David Hauner of BofA Merrill Lynch Global Research comments on the bank runs in Bulgaria, and says they are likely related to the Ukraine/Russia crisis.
Both food and gas prices are on the rise, and the link between them could cause more consumer headaches this summer.
Pro-Russian separatists in Ukraine have freed 4 international observers they were holding, reports CNBC's Simon Hobbs; and Michelle Caruso-Cabrera points out the bottom in Russia's market.
Ukraine has signed a landmark trade deal to bind itself to the EU in a direct rebuke of Russian efforts to block the country from turning westward, reports CNBC's Julia Chatterley.
The Ukrainian President has told CNBC his country will 'defend itself' against Russia if it fails to de-escalate tensions in east Ukraine by Monday.
Ukrainian President Poroshenko is in Brussels to meet with EU leaders about what to do about the situation with Russia, reports CNBC's Julia Chatterley.
Ukraine may want to sell energy assets to Western firms. But Russia may have something to say about it.
It is possible for Ukraine to free itself from dependence on Russian natural gas, according to Oilprice.com.
Matthew Clements, deputy head of Europe and CIS Analysis at IHS Country Risk, says Russia doesn't want to be militarily involved in Ukraine to reduce the threat of sanctions and discusses the Ukrainian rebels.
Vasu Menon, Vice President of OCBC, explains why he doesn't consider geopolitical tensions in Iraq and Ukraine "systemic risk factors" that could affect global markets.
After an investigation banks and trading houses are aware of the risks of storing commodities in China's warehouse sector.
Russian troops along Ukraine's border and the establishment of defense units by Russian authorities are troubling developments, the White House said.
Gazprom's termination of a contract with Ukraine's state-owned gas company will not affect supplies to Europe.