Yesterday, the U.S. Treasury Department’s Office of Foreign Assets Control (OFAC) announced increased economic sanctions against Russia, including measures against Russia’s largest bank – Sberbank Russia – as well as several state-owned defense technology companies and five energy companies (Gazprom, Gazprom Neft, Lukoil, Surgutneftegas and Rosneft).  The United States has also tightened previous restrictions by lowering from 90 days to 30 days the allowable length of debt U.S. citizens and entities may buy from sanctioned Russian banks – Bank of Moscow, Gazprombank OAO, Vnesheconombank (VEB), Russian Agricultural Bank (Rosselkhozbank),  VTB Bank OAO and Sberbank Russia.