BANJA LUKA (Bosnia and Herzegovina), November 5 (SeeNews) – Bosnian coal mining and energy complex RiTE Gacko [BANJ:RITE-R-A] said on Tuesday its net loss more than halved to 6.3 million marka ($4.3 million/3.2 million euro) in the first nine months of 2013 from 15.5 million marka a year earlier.