If you’re on a budget but still wanting to develop your portfolio, check out these three bargain growth stocks under $20. In the stock market, there is no other charm like bargain-basement picks. Such hidden gems not only promise bargains, but deliver substantial growth and demonstrate resilience in the face of market fluctuations.Three stocks under $20 a share represent such hidden gems, each with the potential for triple-digit growth. These are not mere sticks of paper, after all; they are portfolios of p ...