Short if it breaks the low of the previous day with a stop loss at the previous day's high
In case of gap up above the previous day's high or gap down below the previous day's low, please avoid buying it or selling it respectively. Follow the ending of the candle formed in first 5 minutes and follow ORB strategy.
The stock can give a sudden reverse momentum in the middle of the day if the trade is triggered. It is important to move trailing stop loss.