When the price dumps, it the best opportunity to buy, it is risky but it has a great potential to have greater profit, from dip you buy and wait for the price to increase, you can sum of it.
the main thing is not to buy falling knives, and wait for confirmation of the market reversal and then buy. it is very difficult to restrain the desire to buy on the cheap, but we must remember that the price can be even lower and then will be a losing position.