UPDATE 3-Roche to complete $4.3 bln Spark deal as regulators give all clear By: Reuters: Company News December 17, 2019 at 03:47 AM EST * Deal clears way for Roche's entry into gene therapy (Recasts to focus on Roche completing deal, adds details) Read More >> Related Stocks: Biomarin Pharmaceuticals Bristol-Myers Squibb Merck & Co Novan Inc Pfizer Rogers Corp Sangamo Therapeutics Spark Therap