How Do Index Sons Work?

Riordan: If you put a hundred thousand dollars in on day one, and the market plummets 50 %, ok? So they're down to 50 thousand. Now, obviously their psychological state is not wonderful, but assuming they could somehow stay the course, it's still the math of doubling, right? Jonathan? You know, the mast still works even when you have this catastrophe. That's the way those index sons work. The person who was co safe, just kept it in the bank, still had a hundred.