December 9 (SeeNews) - Bulgaria's Blagoevgrad-BT, a unit of cigarette maker Bulgartabac Holding, has raised its stake in Bosnian cigarette maker Fabrika Duvana Banja Luka [BANJ:FDBL-R-A] to 89.7% from 70.6% following a buyout bid, the brokerage in charge of the transaction said on Monday.