Firstly work out a price point at which if the share fell to that, you would feel like jumping out of a window of a very high building.
Secondly work out a price point that you would feel comfortable with it dropping to.
Lastly place your stop loss somewhere in the middle of those two, but not too close to the first one, best of luck,
PS Sabre, how many beers have you had, lol lol
