Ingra's shares closed 3.23% higher at 4.48 kuna.
Hotel operator Valamar Riviera [ZSE:RIVP] generated the highest trading turnover of 2.5 million kuna. The company's share price edged up 0.02% and closed at 46.14 kuna.
Power transmission equipment maker Dalekovod [ZSE:DLKV] paced the blue-chip decliners as its share price fell 4.42% to 21.00 kuna.
The bourse's total trading turnover dropped to 7.7 million kuna ($1.2 million/1.0 million euro) on Wednesday from 7.8 million kuna on Tuesday.
The 25-share benchmark CROBEX index of the ZSE decreased 0.37% to 1,888.71 points, after falling 0.20% on Tuesday.
The narrower of the bourse's two blue-chip indices, the CROBEX10, which tracks the leading companies in terms of free float, market capitalisation and liquidity, lost 0.47% to 1,118.14 points after adding 0.02% in the previous trading session.
The fixed-income CROBIS index closed up 0.01% at 110.7126 points.
(1 euro=7.41286 kuna)