Toronto, Ontario--(Newsfile Corp. - August 23, 2012) - The following issues have been halted by IIROC:Company:  Microbix Biosystems Inc.TSX Symbol: MBX (all issues)Reason:Pending NewsHalt Time (ET)09:21  IIROC can make a decision to impose a temporary suspension of trading in a security of a publicly listed company, usually in anticipation of a material news announcement by the company. Trading halts are issued based on the principle that all investors should have the same timely access to important ...