Look for stocks that hold their 50 dma for example. When stocks fall intraday and breach their 50 dma, it usually bounces back to it or above it. Unless its a very strong and precipitous drop due to some bad news, this is a viable intra day trading strategy.
As always, nothing is fool proof. This has worked for me in the past.
This was what my forex trading coach taught me.
He was a great snake oil seller.
He was very good at selling fridges to the Eskimo.