January 4 (SeeNews) - The Bulgarian Stock Exchange (BSE) said on Thursday that it decided to place under surveillance for nine months the stock of several issuers, including plastic and rubber products manufacturer Formoplast [BUL:FORM], hardboard manufacturer Fazerles [BUL:FZLS] and diversified group Severcoop Gamza Holding [BUL:GAMZ], for failure to meet its listing requirements.