American was detained by FSB on December 28, Interfax reports.
Gas Explosion in Russia Apartment Block Kills 3 People, Many Missing
Russia's Oil Bosses Brush Off Crude Price Drop
Russian Energy Minister Alexander Novak to meet oil executives for a planned meeting on Wednesday.
U.S. Oil Surge Makes Bank of Russia Skeptical on OPEC+ Success
Russia to Curb Oil Output in Baby Steps While Saudis Cut 80 Times Faster
Resilient Russian Oil Companies Give Putin Leverage With OPEC
Putin's Gas Link to Make Landfall in Turkey as U.S. Opposes
Russia's Wait-and-See Stance on OPEC+ Cuts Shows Gap With Saudis
Russia Pauses Rate Hikes But Warns Further Tightening Possible
Kazakhstan Looks to Stave Off Rate Hike With Other `Maneuvers'
Pound, Gilt Traders Face Ticking Clock to October EU Summit
Ruble Rides Renewed Oil Liaison as Russia Looks the Other Way
Russia Extends Debt-Sale Absence to Longest Since 2014 Crisis
The surprise pivot to rate increases was one part of a response by Governor Elvira Nabiullina to threats of U.S. sanctions
Russia Surprises With First Rate Hike Since 2014 Over Sanctions
For investors scarred by crisis in Turkey, even a whiff of political meddling could be a red flag as turmoil sweeps EMs.
Swinging at Putin With Sanctions, U.S. May Whack Emerging World
Russia Ready to Buy Own Debt If Sanctions Spark Market Crash
Bank of Russia Broaches Possible Rate Hike as Policy Upended
Putin Wants Big Business to Spend $120 Billion to Revive Economy