Atlantic's shares jumped 3.15% to close at 1,310 kuna in a 2.3 million kuna turnover, the largest one among the blue chips for the day, ZSE data showed.
The preferred shares of diversified conglomerate Adris Grupa [ZSE:ADRS2] were the only blue-chip decliner, shedding 0.80% to a close of 370 kuna.
Six of the ten blue-chip companies on the ZSE rose on Thursday, one closed the session lower and three ended flat.
The ZSE's total trading turnover fell to 9.2 million kuna ($1.4 million/1.2 million euro) on Thursday from 40.3 million kuna on Wednesday when trading in government securities contributed 6.0 million kuna to the total turnover, and a block deal with the shares of blue-chip Hrvatski Telekom [ZSE:HT] generated another 19.1 million kuna.
There were no block deals neither trading in government papers on Thursday.
The bourse's 25-share benchmark CROBEX index advanced by 0.58% to 1,644.94 after declining 0.11% on Wednesday.
The narrower of the ZSE's two blue-chip indices, the CROBEX10, which tracks the leading companies in terms of free float, market capitalisation and liquidity, gained 0.63% to 1,031.34 on Thursday, after adding 0.17% on Wednesday.
(1 euro = 7.57354 kuna)