That is the importance of having analytical skills and knowledge of the basics of cryptocurrency. With these two things, a cryptocurrency user will not be easily influenced by fud and speculation that is not directed. Do with your own risk, keep learning and add experience.
I would add to your words that it is necessary to make decisions without haste and keeping a sober mind. You should never panic. Believe me, all your mistakes you make in this state, so try not to panic.