The blue-chip SOFIX index, which tracks the 15 most liquid shares on the Bulgarian Stock Exchange (BSE), closed 2.12% lower at 527.59 points after falling 0.93% in the previous session.
The broader BGBX40, which tracks the 40 most traded shares, ended 2.05% down at 105.36 points after closing 0.78% lower on Monday.
Turnover on the regulated market increased to 1.4 million levs ($893,800/715,800 euro) from 1.3 million levs on Monday.
Industrial Capital Holding [BUL:4I8] was the only SOFIX gainer, closing 0.63% higher at 4.025 levs as 550 shares changed hands.
Zarneni Hrani Bulgaria [BUL:T43] led the blue-chip decliners, falling 6.9% to 0.54 levs in a volume of 83,749 shares.
The BG-REIT index, which tracks the performance of the real estate investment trusts, lost 1.47% to 97.13 points after closing 2.33% higher in the previous session.
The BG TotalReturn30 index, in which companies with a free float of at least 10% have equal weight, went down 2.31% to 409.42 points after closing 1.39% lower on Monday.
(1 euro=1.95583 Bulgarian levs)