UPDATE 6-Roche stock up $12 bln on cancer, haemophilia trials; rivals hit By: Reuters: Company News November 20, 2017 at 11:03 AM EST * Roche playing catch-up in cancer immunotherapy (Adds latest stock falls for rivals) Read More >> Related Stocks: Astrazeneca Plc ADR Bristol-Myers Squibb Merck & Co Rogers Corp