It is never possible to know exactly where and when the market will turn but here are my 2 areas I am looking for. BTW I trade mostly on the daily. I am not a day trader I will cash in a 100 pips move on short order if there is a sudden pop.
By the time I am 80 to 140 pips in a trade I usually bail out though I can often re-enter later if there was a retracement during the day.