SOFIA (Bulgaria), September 28 (SeeNews) -Â Bulgarian diversified group Synergon Holding [BUL:6S7] said on Monday that it turned to a consolidated net loss, excluding minority interest, of 1.8 million levs ($1.1 million/920,000 euro) in the first half of 2020 from a net profit of 6.3 million levs the year before.