SOFIA (Bulgaria), August 10 (SeeNews) – Some 90,000 shares of Bulgarian management consultant Synthetica [BUL:0SYA], equivalent to a 3.0% stake in the company, were traded in a block deal worth 3.56 million levs ($2.1 million/1.8 million euro) on the Bulgarian Stock Exchange (BSE) on Thursday, bourse data showed.