SOFIA (Bulgaria), November 28 (SeeNews) -Â Bulgarian diversified group Synergon Holding [BUL:6S7] said on Wednesday that its consolidated net loss, excluding loss attributable to minority shareholders in the group's units, widened to 4.1 million levs (2.4 million/2.1 million euro) in the first nine months of the year from 2.9 million levs in the same period of 2017.