Long-term dividend growth can be an asset for this sneaky stock.Dividend investors tend to favor stocks with high dividend yields. That may be a mistake when looking for the best dividend stocks to own for a decade or more. Dividend growth may be more important than a high starting dividend yield for many reasons. These are the types of stocks with growing earnings power, which is the key driver of stock price performance. Plus, a growing dividend can turn into a higher dividend yield on your initial cost b ...