Jury Rules Merck Patents Valid...Bad For Gilead? By: Benzinga via Benzinga March 23, 2016 at 10:58 AM EDT Merck & Co., Inc. (NYSE: MRK) and Gilead Sciences, Inc. (NASDAQ: GILD) have been going head to head in a patent war over HCV ... Read More >> Related Stocks: Gilead Sciences Merck & Co