Billionaire Carl Icahn was not aware of any investigation of him and golfer Phil Mickelson regarding trades related to Clorox and Dean Foods, he said yesterday, and called a report by the Wall Street Journal “completely irresponsible”. The paper reported on Friday that the two and sports gambler William Walters were targets of an insider-trading probe into large option trades in the days before Icahn’s $10.2 billion (R108bn) offer for Clorox in July 2011. – Bloomberg