• White House imposes new sanctions  Monday, 28 Apr 2014 | 2:01 PM ET

    The United States' imposed sanctions on Russia target 7 individuals close to Russian President Vladimir Putin.

  • Ukraine mayor shot in back, tensions rise  Monday, 28 Apr 2014 | 1:07 PM ET

    CNBC's Kate Kelly reports on which U.S. companies have ties to Russia amid continued tensions with Ukraine; and Robert Frank provides insight on further sanctions on Russia.

  • Obama slaps new sanctions on Russia Monday, 28 Apr 2014 | 1:07 PM ET
    Pro-Russian activists guard speakers in front of the stage during a rally held by pro-Russian activists in Lenin Square.

    The new measures are aimed at stopping President Vladimir Putin from fomenting the rebellion in eastern Ukraine but hold off from broad measures that would hit Russia's economy.

  • Russian revenge: Oil firms could face retaliation Monday, 28 Apr 2014 | 12:37 PM ET
    An employee holds a control panel as barrels are filled with lubricant oil for shipping at Royal Dutch Shell Plc's plant in Torzhok, Russia, March 21, 2014.

    "Companies with money tied up in Russia would have a tough time getting it back out," says one foreign policy analyst.

  • Why Ukraine crisis may boost Europe's coal miners Monday, 28 Apr 2014 | 10:28 AM ET
    Steam bucket-wheel excavator extracts coal from the brown coal open cast mine Garzweiler in Immerath, western Germany.

    Europe’s dependence on Russian gas has declined for years, but the standoff in Ukraine has Europe seeking alternatives.

  • New sanctions hit Russia  Monday, 28 Apr 2014 | 10:11 AM ET

    New sanctions have been levied against Russian officials and business executives close to Vladimir Putin, reports CNBC's John Harwood.

  • Only way to stop Putin? Go after his money: Expert  Monday, 28 Apr 2014 | 8:20 AM ET

    William Browder, Hermitage Capital Management, shares his thoughts on how to reign in Putin's political agenda, as the U.S. seeks sanctions against Russia.

  • We are in a stock picker's market: Pro  Monday, 28 Apr 2014 | 8:10 AM ET

    Alison Deans, Varick Asset Management, and Craig Hodges, Hodges Fund co-portfolio manager, share their investment plays as unrest continues in Ukraine and M&A activity increases.

  • Alexey Kornya, CFO of MTS, says the company has not seen any "detrimental" impact from the Ukraine crisis, but the hryvnia devaluation is likely to cause headwinds.

  • Samuel Greene, founding director of King's Russia Institute, says sanctions imposed on Russia have an effect on the country's businesses and debt markets

  • Brent inches up on possible Ukraine escalation  Sunday, 27 Apr 2014 | 11:46 PM ET

    Alejandro Barbajosa, VP, Crude Middle East & Asia-Pacific at Argus Media, says Brent's current price of $110 reflects expectations that sanctions against Russia won't affect the flow of crude.

  • Oil producers facing growing global risks Sunday, 27 Apr 2014 | 6:00 AM ET
    ExxonMobil oil rig

    The crisis in Ukraine is a reminder that the world is unstable, and oil companies must drill in those places nonetheless.

  • Russian aircraft entered Ukraine airspace: Pentagon Friday, 25 Apr 2014 | 6:36 PM ET
    The Russian-made Sukhoi SU-35 military jet lands after its preparation flying display at Le Bourget on June 16, 2013.

    Russian aircraft have entered Ukrainian airspace on several occasions in the past 24 hours, Pentagon spokesman Colonel Steve Warren said on Friday.

  • America should supply weapons to Ukraine: Advisor Friday, 25 Apr 2014 | 4:55 PM ET
    Ian Brzezinski in 2003

    A prominent think tank advisor says it's going to take more than just the current sanctions to deter Russia's aggression against Ukraine.

  • "Meet the Press" moderator David Gregory weighs in on escalating tensions between Ukraine and Russia.

  • Rough economic ride ahead for Russia: Howard Dean  Friday, 25 Apr 2014 | 4:00 PM ET

    Discussing how the crisis in Ukraine will impact the economy, with CNBC contributor Howard Dean; "Fast Money" trader Steve Grasso; CNBC's Robert Frank and Bob Pisani.

  • Putin put himself in a corner: Expert  Friday, 25 Apr 2014 | 3:26 PM ET

    Lilit Gevorgyan, IHS Global Insight, discusses how Russian sanctions have impacted the markets and explains what will lead to serious sanctions by the U.S. and EU. CNBC's John Harwood provides insight.

  • Obama tees up sanctions: Harwood  Friday, 25 Apr 2014 | 3:24 PM ET

    Tensions in Ukraine have been hurting the markets all week. CNBC's John Harwood discusses if President Obama is prepared to broaden the sanctions against Russia.

  • The Week That Was: Housing slows  Friday, 25 Apr 2014 | 3:00 PM ET

    CNBC's Tyler Mathisen looks back at the week's top business and financial stories.

  • Russia invests in US  Friday, 25 Apr 2014 | 2:20 PM ET

    Russians are now more interested in commercial real estate, explains Edward Mermelstein, Rheem, Bell & Mermelstein partner, in discussing where Russians are investing in the U.S.