An exterior view of the Bank of Russia building in Moscow.
 
European Pressphoto Agency
Foreign central banks’ Treasury bond holdings parked at the Federal Reserve dropped by the most on record in the latest week. Some analysts think the crisis in Ukraine is sparking the move.
Their theory: Russia is shifting its Treasury bond holdings out of the Fed and into offshore accounts. That way, Russia would be able to buy or sell its portfolio if the U.S. and its European allies impose economic sanctions amid growing geopolitical tensions in Ukraine.