It is difficult to say but If I were the trader I will definitely keep holding then look for more money to buy more Bitcoin. This always works for me and it's fun to do! If the price falls again, you look for more money and buy more Bitcoin. If it falls again, you buy more.
Then if price begins to rise, you start selling off the dips you bought bit by bit until you are left with the main holding which should be your long-term holding.
Yes if we have spare money then we can buy more bitcoin in the deep so this is very big advantage for trader or investor who have more capital to buy back.
But the problem is for small trader who dont have much capital, for me its better to save in fiat in bearish market.