Most Bulgarian Stock Exchange indices closed higher on Tuesday, erasing part of their losses during Monday's bruising trading session.The blue-chip SOFIX index gained 4.03% to 494.81 points on Tuesday, after losing 10.25% on Monday.Resort operator Albena led gainers among blue-chips with a 10.56% rise, closely followed by Doverie United Holding and Holding Varna, which added 10.50% and 10.23%, respectively.The wider BGBX40 index, which tracks the 40 most traded shares on the Sofia bourse, advanced 2.93% to 100.27 points on Tuesday after an 8.55% drop on Monday. The Sofia bourse operator - Bulgarian Stock Exchange, led gainers among BGBX40 members with a 13.17% rise.The BGTR30 index, in which companies with a free float of at least 10% have equal weight, increased 1.68% to 468.01 points, as it shares the same top three gainers as the SOFIX.The BGREIT index, which tracks real estate investment trusts, slid 1.31% to 131.50 points on Tuesday, recording back-to-back losing sessions after its 2.14% decrease on Monday.Total regulated market trading turnover fell to 1.9 million levs ($1.1 million/1 million euro) on Tuesday from 3 million levs on Monday.