Dividend stocks are all-weather investments for buy-and-hold investing because they can help reduce portfolio volatility while generating income. Buying them when they are down and building a solid position is the recipe for market-beating total returns over time.Dividend stocks can reduce portfolio volatility because the high-quality payers tend to have ample institutional interest and a loyal following of retail investors who don’t succumb to knee-jerk reactions. If the S&P 500 sells off sharply because o ...