The Russian currency is on an upward trend in recent days. This week, the ruble appreciated to the strongest in a month to below 90 rubles to the dollar. It fell below 85 rubles per dollar on Wednesday. That is much stronger than the historical low of 151 on March 7. The increment was thanks to Russia’s series of economic measures. In this episode of BizBeat, CGTN's Zhu Zhu explains.