It depends. At the present moment, even great projects are getting rekt. So if you believe in the project that you're holding then keep on holding. If you don't but it is still not bad, it is worth holding until the next bull market.
Since the price of all coin are still at the lowest point, I think its better to hold for a while your token because when you sell it surely you will get less profit. Also its not wise to sell when the price is falling, so before you sell your token make sure the market is rising because it can bring you good profit. Also holding is the best thing to do especially if you want to grow even more your token and sell it until the next highest point price in the market.