No monopoly risk if Rosneft Buys TNK-BP - Russia

    Russian Energy Minister Alexander Novak said Thursday that state-run oil giant OAO Rosneft's potential purchase of Anglo-Russian oil major TNK-BP wouldn't lead to monopolization of the market, Russian newswires reported.     Rosneft has signed a preliminary agreement to buy the 50% stake in TNK-BP of the AAR group of billionaires, people familiar...