Newton's lost fortune
This is funny.
If you thought you had difficulty in the market, Isaac Newton lost all his fortune.
The chart below shows how: "I can calculate the movement of stars, but not the madness of men," Newton apparently said after he lost his fortune.
This is a chart from Marc Faber.

Read more: https://physicstoday.scitation.org/doi/10.1063/PT.3.4521