If you follow BEAV you should have know this already!
"Airplane parts supplier BE Aerospace (BEAV) has been riding strong demand for commercial airliners to growing earnings, but that trend could change, writes Cowen & Company analyst Gautam Khanna in a note today downgrading shares to Neutral."
When it reaches $55 how about a $2 automatic trailing stop? You are just risking $2 for possibly a lot more gain. Don't try and pick tops - let the market decide.
During the .com bubble rode LTXX (now LTXC) from 3 to 45 where I was stopped out. Didn't get the top, but go a lot more than if I took a "measly" 3 bagger at 9. You never know when irrational exuberance will take over.