Bulgarian stocks closed slightly lower Thursday on the Bulgarian Stock Exchange. The benchmark Sofia Index closed at 455.13 points, down 0.90 point, or 0.20 percent, from the previous close. The BG 40 Index, which is based on the issues of shares of the top 40 companies graded by the number of transactions executed in the last six months, closed at 127.56 points, up 0.57 point, or 0.45 percent, from the previous close. The BG REIT Index, the index of special investment purpose companies that operate in the field of securitization of real estates and/or land, i.e. real estate investment trusts (REITs), decreased 0.37 point or 0.84 percent to 43.63 points. The BG TR30 Index (BG Total Return 30) decreased 0.53 points or 0.16 percent to 339.32 points. The total daily turnover was 11,418,257.22 leva (about 8,334,494.32 U.S. dollar) 