UPDATE 3-Roche 'steps up' for gene therapy with $4.3 bln Spark bet By: Reuters: Company News February 25, 2019 at 07:19 AM EST * Novartis also moving swiftly in gene therapy (Adds CEO comments) Read More >> Related Stocks: Biomarin Pharmaceuticals Merck & Co Novan Inc Pfizer Rogers Corp Sangamo Therapeutics Spark Therap Uniqure Ord Shs