Penny stocks often get a bad rap, and that makes sense. There are plenty of scams and examples of less-than-exemplary behavior in many of these names. However, it’s also true that picking winners can be very lucrative. Indeed, finding low-priced stocks with explosive upside potential can provide life-changing returns. I believe now is the perfect time to start building positions in a few carefully-selected penny stocks, before their share prices take off.Wall Street has largely ignored penny stocks over the ...