Biotech shares soar on dealmaking, drug breakthroughs; AveXis jumps 77% By: CNBC.com News April 09, 2018 at 11:10 AM EDT AveXis shares led the biotech sector higher on Monday after Novartis announced its plans to buy the gene therapy company. Read More >> Related Stocks: Abeona Therapeutics Nasdaq Biotechnology Ishares ETF Regenxbio Inc Verastem Inc