A total of 1,047,861 shares, equivalent to a stake of 0.79% in Sopharma, changed hands for 2.1 million levs ($1.4 million/1.1 million euro). The stock closed 1.93% lower at 2.03 levs.
The blue-chip SOFIX index, which tracks the 15 most liquid shares on the Bulgarian Stock Exchange (BSE), closed 0.34% lower 326.34 points, after ending flat on Monday.
The broader BG40, which includes the 40 most traded shares, went up 0.3% to 123.4 points after gaining 0.17% in the previous trading session.
Total turnover on the regulated market rose to 5.7 million levs from 1.9 million levs on Monday.
Industrial Holding Bulgaria [BUL:4ID] was the top SOFIX gainer, closing 16.67% higher at 0.7 levs as 52,953 shares changed hands.
Mineral extracting and processing company Kaolin [BUL:6K1] led the blue-chip decliners, closing 6.61% lower at 2.4 levs in a volume of 32,400 shares.
The BG-REIT index, which tracks the performance of real estate investment trusts, ended 0.13% lower at 78.96 points after rising by 0.01% on Monday.
The BG TotalReturn30, in which companies with a free float of at least 10% have equal weight, lost 0.02% to 250.71 points after falling by 0.08% in the previous trading session.
The CGIX Corporate Governance index, which includes companies strictly applying corporate governance principles, ended 0.29% higher at 75.44 points after rising by 0.95% on Monday.
(1 euro = 1.95583 Bulgarian levs)