Penny StocksThe Best Penny Stocks to Buy for 130% Profit Potential March 8, 2021 by Money Morning Staff Reports Investing in clinical stage biotech companies can lead to unimaginable profits. In fact, one of these penny stocks from the biotech sector has a chance at 130% growth. These startups work to change the world with new drugs, therapies and treatments. If any of them has a breakthrough – such as a new innovation, successful trial or FDA approval – it could double your money.