Small-cap growth stocks give investors an opportunity for exposure to some of the best stories at an early stage. Without a doubt, there is hesitation in taking a big plunge as the risk is high. However, even a small allocation of 10% to small-cap stocks can do wonders. The reason is the potential for 10x, 20x or 50x returns as the story matures. The focus of this column is on three small-cap stocks that have millionaire-maker potential.After more than a decade of investing, I can say that identifying a goo ...