This is a story that begins and ends with personal gain. It involves a plan that went to the very top of Davy, Ireland’s most prestigious stockbroking firm and a firm that advises the Irish state in the bond market and 32 companies listed in Dublin and London including four FTSE 100 companies.  However, back when the story started back in November 2014, all was not well among some of the employees in the powerful stockbroker. Some of them desperately needed money; many had watched with horror as their fortunes deteriorated in the wake of Ireland’s financial crash, from which Davy were…