I made this move a while back based soley on my gains and best guess.  You have to admit, either way, it is a roll of the dice AT BEST.  Taking profits, large and small is how I have made net gains.  I am also not afraid of losses when I judge that what remains might do better elsewhere.  Still lots of game here for me. 

For me; To have a nice gain and hold simply because "what if they hit a solo homer?" is not a stategy that has been successful for me, usually I missed opportunities for gains.

Not Investment Advice DYODD