One thing about these hedge fund guys: They certainly know how to lively up an investor call. Yeah, it's still kind of like a math class, but this is one math class with some interesting personalities. The CEO of Brink's is like the teacher and those hedge fund guys are the kids who don't care if they get detention. Ready to tune in yet? Mark your calendar for one of the least boring investment calls of the year: Jan. 31, 11 a.m. Eastern Time.