Yes of course And I think it would be better if you don't sell your investment because we know that it would increase this coming year. This is just a common situation in this field of currency and I think adding more investments to our favorite currency is the best way to make our investments get a better earnings.
if they have another job, besides the crypto coin trading, I think buying again at a low price is a good decision. but if their capital is limited, and do not have other jobs in real life. so it's better for HODL
therefore you should always take into account before buying so you can buy back when the coin goes down. this is one way of trading that I often do always divide funds