Large-cap stocks regularly capture headlines. These corporations have delivered exceptional returns for many years and are in popular indices like the S&P 500 and the Nasdaq Composite. However, every large-cap stock started as a much smaller version of itself. Some mega-cap firms used to trade as penny stocks. While these companies had less clout during their penny stock days, they have gone on to reward long-term investors.Some investors look for small-cap stocks that can deliver robust long-term returns. ...