BANJA LUKA (Bosnia and Herzegovina), July 31 (SeeNews) – Bosnian fuel retailer Nestro Petrol [BANJ:PTRL-R-A] recorded a net loss of 2.2 million marka ($1.3 million/1.1 million euro) in the first half of 2018, compared to a profit of 2.8 million marka in the like period of last year, it said on Tuesday.