These dividend stocks look like great buys. For long-term investors, dividends are a critical piece of the performance puzzle. Here's an almost unbelievable statistic from Harford Funds: Since 1960, 85% of the S&P 500's cumulative total return was tied to reinvesting dividends. However, not all dividend stocks are created equal. High yields can sometimes come with high risks, so investors should focus on high-quality companies capable of sustaining and growing their dividend payments over time. Two of the b ...