The reason why growth and value stocks are so important to your buy and holdstrategy is that value stocks traditionally outperform growth stocks - over the long haul. While it would not be advisable to place of all your stock investments into value stocks, it would be wise to split the allotment. Therefore, invest half of your money into growth and the other half into value stocks. In the long run, this should lead to a higher overall averagereturn while not significantly increasing your risks.