buy or sell it all depends on your decision, if you have funds use them well and choose a coin that you think is a quality coin and will give you a little profit. we will not know what will happen in the future, make sure you are always updated about information about the world of Cryptocurrency so that you are always safe from risk.
And make sure that you're always taking profits.
Someone who's asking if it's about to take or not.
You are the only one that knows your financial situation. Not everyone who's a firm holder will keep holding forever. Because of some unforeseen events, they're likely to sell.
If you have that chance taking profits is the goal when dealing to this business, whether big or small as long as you are in positive outcome it's still good than nothing or worse losing your investment, it's only you who can decide whether to buy or sell everything depend on your good understanding to this industry.
Do a deeper research and always make sure that you are doing your best when picking or choosing your asset to hold.