BOSTON ( TheStreet) -- The Dow Jones Industrial Average, an index of the 30 largest publicly traded U.S. companies, has advanced 7.8% so far in 2010, lagging behind the S&P 500 Index and Nasdaq Composite. Still, several of its members have delivered outstanding gains, with less risk and volatility than small- and mid-cap stocks. Here are the five best-performing Dow dividend stocks of 2010. They may continue to outperform the broader market in 2011. Below, the stocks are ordered by year-to-date return, from good to great.