The 21-share benchmark, the CROBEX, added 0.07% to close at 2,807.90 points.
The narrower equity index CROBEX10, which tracks the top ten issuers in terms of free float, market capitalisation and liquidity, advanced 0.64% to 1,684.47 points.
Blue chip hotel owner and manager Valamar Riviera [ZSE:RIVP] was the most traded company with a turnover of some 118,100 euro as its shares shed 1.95% to 5.04 euro.
Zagrebacka Banka [ZSE:ZABA] ranked second by turnover with 99,000 euro as its shares fell 1.68% to 17.60 euro.
($ = 0.919 euro)