Momentum investing is essentially an exception to the idea of "buying low and selling high." Investors following this style of investing are usually not interested in betting on cheap stocks and waiting long for them to recover. Instead, they believe that "buying high and selling higher" is the way to make far more money in lesser time.Who doesn't like betting on fast-moving trending stocks? But determining the right entry point isn't easy. Often, these stocks lose momentum once their valuation moves ahead ...