The 21-share benchmark, the CROBEX, gained 0.27% to close at 2,803.10 points.
The narrower equity index CROBEX10, which tracks the top ten issuers in terms of free float, market capitalisation and liquidity, advanced 0.40% to 1,676.49 points.
In regular trading, hotel owner and manager Valamar Riviera [ZSE:RIVP] was the most traded company with a turnover of some 282,000 euro ($307,000) as its shares fell 0.40% to 5.04 euro.
Shares of Ericsson Nikola Tesla appreciated 1.93% to close at 211 euro in a turnover of 254,300 euro.
Preferred shares of diversified holding company Adris [ZSE:ADRS2] declined 0.33% to 60 euro in a turnover of 118,400 euro. Besides, in a block trading of 1.1 million euro, 18,385 of its preferred shares changed hands at a price of 60.20 apiece.
Thanks to this block deal, the total on-exchange turnover reached 2.7 million euro, up from just 804,300 euro on Wednesday.
($ = 0.919 euro)