I use tight stops, which I adjust daily. I let winners run, but take half off when my goals are hit. I only trade from my watch list and if technicals are right. I try to avoid buying when overbought or far off SMA.
I've learned the hard way...
Have actively traded and invested in stocks for the past 16 yrs. Corporate experience at JP Morgan in the Investment Bank, and for the Rockefeller family. Currently forming a limited partnership with select investors.