Your investments need to be made from and backed by

Your due diligent research to get the info you need about projects that you are interested in for investments.
Your risk management for your capital. No loan, no borrow, no margin, no leverages.
Your ability to be determinant with your investment choice, to not be affected by tweets, news.
Your ability to control your greediness that you and all of us have. If your are greedy with the crowd, you will most likely end with loses.

Be fearful when the others are greedy. And be greedy when the others are fearful.
It is a classic saying in financial market. The most famous speaker is Warren Buffet.