Earlier quoted context omitted.
> 20-30-40% per annum, for over 20 years It is impossible, at least continuously. Nobody has ever managed to do that. You'd be lucky if you could beat the market by a few points on average over a 20 years time period. Compensation well for good performance does not make sense when you aren't penalized for losses.
That's just not true. Joel Greenblatt's fund beat an annualized return of 40% from 1985 to 2006. Carl Icahn got over a 30% per year annualized return from 1968 to 2011 . That's almost 50 years!
http://www.forbes.com/sites/antoinegara/2015/07/31/value-gur...