February 11 (SeeNews) - The main equity indices of the Zagreb Stock Exchange (ZSE) closed a tad lower on Friday, as gains in Hrvatski Telekom [ZSE:HT] and electrical equipment maker Koncar [ZSE:KOEI] offset losses in shipping company Atlantska Plovidba [ZSE:ATPL] and diversified holding Adris [ZSE:ADRS2], bourse data showed.