UPDATE 1-Merck wins early U.S. approval for Keytruda in untreated lung cancer By: Reuters: Company News October 25, 2016 at 07:03 AM EDT * FDA moves cement Merck's leading position in lung cancer (Adds more detail on approval, competition, analyst comment) Read More >> Related Stocks: Astrazeneca Plc ADR Bristol-Myers Squibb Merck & Co Rogers Corp