These five dividend stocks could give your portfolio a serious long-term boost.You may think of dividend stocks as simply a vehicle for producing cash income from a diversified portfolio, but these types of stocks can actually provide a serious boost if long-term capital appreciation is your goal. According to a study from investment management company The Hartford, from 1960 to 2023, 85% of the cumulative total return of the S&P 500 index was from reinvested dividends.Hence, if long-term growth is your goa ...