January 24 (SeeNews) - The blue-chip BELEX15 index of the Belgrade Stock Exchange added 0.30% to close at 876.92 points on Wednesday, recovering from losses in the previous two trading sessions on the back of gains in insurer Dunav Osiguranje [BEL:DNOS] and industrial gases producer Messer Tehnogas [BEL:TGAS], bourse data showed.