Bridging the Confidence Gap In the world of finance, the effects of the "confidence gap" can be especially apparent. Share | Related Content The Rule of 72 Do you know how long it may take for your investments to double in value? The Rule of 72 is a quick way to figure it out. The Utility of Sector Investing Successful sector investing is dependent upon an accurate analysis about when to rotate in and out. How Compound Interest Works Use this calculator to better see the potential impact of compound interest on an asset.