July 19 (SeeNews) - A total of 156,500 shares of Sofia-based 235 Holdings [BUL:94G], equal to a 3.06% stake in the real estate investment company, changed hands in a block deal for 1 million levs ($593,500/511,300 euro) on the Bulgarian Stock Exchange (BSE) on Thursday, forming 75% of the daily regulated market turnover.