BP's (BP) interest in taking a stake in OAO Rosneft (ROSN.RS) is positive for the Russian oil giant and should improve sentiment around the stock, says Alfa Bank analyst Maria Yegikyan. "BP's entrance is likely to boost hopes of an improvement in Rosneft's corporate governance and higher efficiency, which should be welcomed by the investment community," she notes. Rates at equalweight. Rosneft shares in Moscow down 1.8% at RUB208.03.