Eurohold closed at 2.12 levs as 2,963 shares changed hands.
Eurohold's decline also weighed on the BGBX40 index, which tracks the 40 most traded shares on the Sofia bourse. The BGBX40 went down 0.35% to 134.10 points.
The BGTR30 index, in which companies with a free float of at least 10% have equal weight, added 0.13% to 677.37 points, positively influenced by pharmaceuticals trader Sopharma Trading [BUL:SFT] whose shares closed 4.44% higher at 4.70 levs.
The BGREIT, which tracks seven real estate investment trusts, edged down 0.01% to 165.49 points. The top decliner among members of the index was Bulgarian Real Estate Fund REIT [BUL:BREF] whose shares decreased by 0.76% to 1.95 levs.
Turnover on the BSE's main market fell to 1.3 million levs ($732,000/664,700 euro) from 3.3 million levs on Wednesday.