Jake Gyllenhaal plays a 27-year-old man who loses both his legs in the 2013 bombing on Boylston Street in the film “Stronger”.  Gyllenhaal is said to have delivered an incredibly powerful performance which in test screenings with amputees received overwhelmingly positive feedback. It’s also the first project from Nine Stories, Gyllenhaal’s production company which he launched with producer Riva Marker with whom he is developing a range of projects bringing together the best of Indie film talent out there right now. So what’s on ‘Nine Stories’ upcoming slate their aims and ambitions. Gyllenhaal has two goals in mind. “One is to find the material I can do as an actor. And also, it’s to champion the filmmakers we love.” He notes that whenever he’s not appearing in a project, he’ll be more involved behind the camera only. ‘Nine Stories’ slate is a mix of sizes and genres, the company just…