The current chief executive of Davy was among the group of 16 staff who tried to benefit from a transaction at the expense of a client that led yesterday to the Central Bank of Ireland fining Ireland’s largest stockbroker €4.13 million.  Brian McKiernan, the chief executive of Davy, was also among the “committee” of then powerful senior executives in Davy who approved the transaction, a deal that the Central Bank said was done “without consultation with Davy compliance.”  Minister for Finance Paschal Donohoe placed further pressure on Davy yesterday by calling for the stockbroker to issue a detailed statement about…