Dividend growth stocks can be ideal investments to hold in your portfolio for decades. As long as their fundamentals don't change, these stocks can generate an increasing amount of dividend income for your portfolio over the years. And during that time, their valuations may also rise and boost your overall gains from holding these stocks. Three top dividend growth stocks that recently raised their payouts are Coca-Cola (KO 0.10%), Home Depot (HD 0.55%), and Walmart (WMT 0.05%). Here's how large their recent ...