I also recently became disillusioned with the ICO. 80% of projects after the end of the sale and entering the stock exchanges very much lost in the value of their coins and they could be bought with greater profit than during ICO.
Therefore, some people advise to sell everything and then buy at a lower cost or continue to buy more. Now all new projects are exposed to speculative actions. Therefore, you should pay attention to all the details, especially at the beginning of the token's output.