September 11 (SeeNews) - The Bulgarian Stock Exchange said on Tuesday that hydraulic equipment manufacturer M+S Hydraulic [BUL:5MH] and financial leasing company Elana Agrocredit [BUL:0EA] will replace Industrial Holding Bulgaria [BUL:4ID] and Doverie United Holding [BUL:5DOV] in the composition of its main SOFIX index as of September 25.