The blue-chip SBITOP index ended at 1,469.61 points, up 0.59%, while the SBITOP TR index, which also tracks dividend distribution, also went up 0.59% to 1,988.79 points, LJSE data showed.
Telekom Slovenije [LJE:TLSG] paced the blue-chip gainers, closing up 2.90%, at 71.0 euro.
Lender Nova Ljubljanska Banka (NLB) [LJE:NLBR] generated the highest single turnover on the bourse on Wednesday, of 248,575 euro.
Daily regulated market turnover came in at 721,284 euro ($780,945) on Wednesday, down from 1.8 million euro on Tuesday.
($ = 0.9236 euro)