Biopharma Stock Sorrento Therapeutics Faces Market Uncertainty Sorrento Therapeutics, listed on NASDAQ as SRNE, continues to grapple with market volatility. Analysts at StockNews.com have given the stock a "hold" rating, citing its poor performance. The company's stock price has stagnated at $0.00, with a 12-month low and high of $0.00 and $0.08, respectively.2