Quote from optioncoach:
I use the daily charts and 5-minute charts together to look for trend and support and resistance. You could certainly trade the 5-minute charts for larger moves then quick scalps. It all depends on where previous levels of support and resistance are and how much room I think it can run in the current trade.
Since I was trading off the opening I did not have much guidance to how far it could fall and therefore set a stop at the level I described. If I was bearish overall on the daily's I could have held the position longer. However we bounced strongly off the lows 2 days ago so I did not want to over hold my shorts.