Are These The Best Stocks To Buy Now If You Like The Biotechnology Industry? Biotech stocks that focus on COVID-19 and cancer treatments are the ones seeing strong demand in the stock market today. Truth be told, they werenât only the best performers in biotech, they post steeper gains than most industries, if not all. Hence, it is not surprising why investors have been looking for the best biotech stocks to buy in the market. Investors love biotech companies because many of them could provide outsized gains in a short time frame, but they do come with a healthy dose of risk.Â