These three stocks are reporting rapid growth and have the potential to multiply your portfolio's value.Investing in the right growth stocks can help you accelerate your wealth building and bring you many steps closer to your dream retirement. As businesses grow their profits and cash flows, their share prices should rise in tandem, netting you valuable capital gains and lifting the value of your investment portfolio. The key is to be patient and have a long-term view so that your stocks can reach their ful ...