To date, investing all 100% of your investment portfolio in one day is wrong, it is necessary to invest in parts, and some coins are not worth entering at all now, since they have already given several x profits.
if he still believes there will be an increase in the project, I don't think it will be a problem investing in projects that already provide benefits. Project developments also vary, if there are still targets that have not been achieved, I think it is still very possible to have more increases.