Bloomberg: Ruble slide gives a boost to Russian oil stocksBy Bloomberg. Published Aug. 31, 2015 at 1:22 pm A police officer guards the entrance to the head office of the Central Bank in Moscow on Dec. 17, 2014. Photo by AFP PHOTO / YURI KADOBNOVThe oil sector has won favour from banks who think oil stocks might offer the right balance between risk and reward.Read more here