The best thing that you can do right now is to study the market well, know what coins to buy and know their real technology so on your own you can decide whether you will invest now or wait for the right time. Do it now while the market are still on the correction, make your time worth it now or you will miss this chance of getting cheaper coins.

If I'm on your position, I will invest on the top coins now because the price is cheap and hold it until I make profit. Don't be scared if the market goes down again, just make sure you will buy more and hold it tighter.