
This is part five of a series on some of Wall Street's biggest frauds and how to avoid them. Click here for part one on the "Wolf of Wall Street" and microcap stocks. Click here for part two on pre-IPO scams. Click here for part three on precious metals fraud. Click here for part four on binary options fraud.
One of the most notorious types of fraud experienced by investors is the pyramid scheme. There's so much talk about pyramid schemes that you may feel you know what they are, but they may not be as easy to spot...



