BANJA LUKA (Bosnia and Herzegovina), December 18 (SeeNews) – A total of 710,000 shares of Bosnian municipal water supply company Vodovod a.d. Banja Luka [BANJ:VDBL-R-A] traded in a block deal worth 475,700 marka ($315,870/243,220 euro), the Banja Luka bourse said.