Rigged Money is based on one simple truth: Wall Street needs money from Main Street, not the other way around. The financial industry has convinced the general public that investing across different asset classes is the only way to protect wealth, but this is an outdated rule that no longer applies.

Since asset classes--small caps, large caps, international investments, gold, and bonds--now overlap when it comes to risk and volatility parameters, the diversification effect is gone. That's exactly...