It’s difficult to see the interest in rehashing the highly-mediatised story of rogue trader Jérôme Kerviel who famously lost French bank Société Générale 4.9 billion euros during 2007 and 2008. But director Christophe Barratier has taken a shot with L’Outsider.  In line with recent US films like The Big Short or even Scorsese’s The Wolf…