The Russian rouble firmed past 64 per dollar on Monday, briefly jumping to 62.71 to the greenback, and climbed towards its highest in nearly five years against the euro, supported by continuing restrictions on currency trading. The rouble is the world’s best-performing currency so far this year, although this is due to artificial support from capital controls that Russia imposed to shield its financial sector in late February after it sent tens of thousands of troops into Ukraine. The situation on the domestic currency market has been the same for several weeks, and the rouble keeps firming as foreign currency supply exceeds demand, Alexander Dzhioev, an analyst at Alfa Capital, said. Central bank data showed on Monday that Russia’s current account surplus more than tripled from January to April […]