Russia could retaliate against U.S.Analysts at Stratfor said the new moves are a response to criticisms that the U.S. has gone too soft on Russia in the past with sanctions. ???For the first time, the United States is using sectoral sanctions against some of Russia???s most important firms: Gazprombank, Rosneft, Novatek and Vnesheconombank,??? the analysts said in a note to clients.