Merck, Pfizer, J&J lead drug stocks higher By: MarketWatch November 04, 2009 at 10:31 AM EST Merck & Co. leads drug stocks higher, as the pharmaceutical giant marks the first day since the closure of its $41 billion merger with rival Schering-Plough. Read More >> Related Stocks: Dow Jones Industrial Average (EOD) Johnson & Johnson Macy's Merck & Co Pfizer