These stocks could rocket higher, but they also present significant risks.Investors looking for stocks that can produce dramatic gains over the next 12 months want to turn their attention to the biotechnology industry. Wall Street analysts tasked with following a synthetic biology company called Ginkgo Bioworks (DNA -6.25%) think it can more than double your money.Investment bankers also have high hopes for Agenus (AGEN -12.85%). The latest price targets on the cancer drug developer suggest it can shoot mor ...