The joint SRX index of the bourses in Belgrade and Vienna shed 2.68% to 316.07 on Wednesday.
The Belgrade bourse's total turnover fell to 43 million dinars ($648,664/456,613 euro) from 92 million dinars on Tuesday. Trade in government securities accounted for 3 million dinars of turnover on Wednesday, down from 38 million a day earlier.
Blue-chip soybean producer Sojaprotein ticked down 0.52% to 1,144 dinars in the highest turnover of 11.6 million dinars.
Blue-chip lender AIK Banka posted the session’s second highest turnover of 6.1 million dinars. Shares dropped 1.69% to 2,439 dinars.
Mineral water bottler Voda Vrnjci was the biggest gainer on Wednesday, adding 3.70% to 4,200 dinars.
Machine building company Progres was the session's top decliner, plunging 9.0% to 91 dinars.
Ten stocks advanced on Wednesday, 27 declined and 15 remained unchanged.
(1 euro=93.1071 Serbian dinars)