BANJA LUKA (Bosnia and Herzegovina), August 4 (SeeNews) – Bosnian fuel retailer Nestro Petrol [BANJ:PTRL-R-A] recorded a net loss of 1.4 million marka ($849,000/716,000 euro) in the first half of 2021, compared to a 965,049 marka loss booked in the like period of last year, it said.