BANJA LUKA (Bosnia and Herzegovina), August 19 (SeeNews) – Bosnian spa operator Banja Vrucica [BANJ:BVRU-R-A] has raised its equity capital to 33.6 million marka ($25 million/17 million euro) from 32.1 million marka by converting retained earnings into shares, the Banja Luka bourse said on Friday.