Momentum investing is essentially the opposite of the tried-and-tested Wall Street adage -- "buy low and sell high." Investors following this investing style typically avoid betting on cheap stocks and waiting long for them to recover. They believe instead that one could make far more money in lesser time by "buying high and selling higher." A safer approach could be investing in bargain stocks with recent price momentum. While the Zacks Momentum Style Score (part of the Zacks Style Scores system) helps ide ...