By MarketWatch Automation
The Dow Jones Industrial Average is flat Thursday morning with shares of Merck and Johnson & Johnson delivering strong returns for the index. The Dow /zigman2/quotes/210598065/realtime DJIA +1.51% is trading at 27,201, unchanged from yesterday's close. Merck's shares are down $0.86, or 1.1%, while those of Johnson & Johnson are down $1.56 (1.1%), combining for a roughly 17-point drag on the Dow. Also contributing significantly are Boeing /zigman2/quotes/208579720/composite BA +6.44% , Procter & Gamble /zigman2/quotes/202894679/composite PG +0.28% , and Travelers /zigman2/quotes/206313935/composite TRV +1.95% . A $1 move in any one of the 30 components of the Dow equates to a 6.86-point swing.