time and again, i find reviewing past charts helpful as it never fails to remind me the importance of having STOP LOSS.
It must be literally tattooed in the heart of any serious trader. Don't say things like you are 100% sure it will goes up or down; especially in a time like this. Having a stop loss is not a sign of cowardice or lack of confidence as some traders thought it is.
On the contrary, it is the characteristics of a RESPONSIBLE and SENSIBLE trader who knows the one who is not sitting on the casino table has no say in what games to play. Thus, to play the game, you must know for each game, how much are you willing to lose. That is your STOP LOSS. The same speaks for trading too.