Would you be interested in an investment that’s guaranteed not to lose money but which makes money when the stock market goes up?
Of course you would. In fact, such an investment seems too good to be true: How can you earn equity-like returns without incurring equity-like risk?
However unbelievable, however, such investments are available—at least if you believe the companies that have created them. But are they as good as their marketers claim?
