Marko Aliaksandr / Shutterstock.com Dividend appreciation is one of the key factors that separates equities from many fixed income products out there. Sure, there are some products that pay out increasing amounts over time (such as annuities and other structured products). But for investors holding more traditional portfolios consisting of a mix of stocks and bonds, the bond portion of one's portfolio is typically fixed or fluctuates alongside interest rate movements over time. Quick Read VIG holds on ...