anyone claiming those returns.. and even mention the word Forex is most likely involved in an HYIP program. I dabbled investing in some of them a few years back...
high yield investment programs.. I cashed out of a few quick, thats the trick.
its an entire industry unto itself.. illegal ponzi programs being put up daily by people looking to "profit" from them.. some guys actually run them successfully for long periods of time.. auto-payouts allow you to get paid daily in many cases.. new investor money paying previous investors cashouts.. but when they decide to split with everyones cash bcuz funds start to shrink rather than grow, don't be left with money in the acct.. it'll be gone.
You can look up HYIP in wikipedia.... much info on web..
http://en.wikipedia.org/wiki/Hyip
Chances are, your so-called investor buddy was investing your cash in one of these, or ran his own.. and when it went under.. your funds went with it.
You can certainly file suit on the guy, as mentioned previously..
hopefully you can someday recover your loss. best wishes..