Dragged down by losses for shares of Dow Inc. and Merck, the Dow Jones Industrial Average is falling Friday afternoon. Shares of Dow Inc. DOW, – 3. 94% and Merck MRK, 2-. (% are contributing to the blue-chip gauge’s intraday decline, as the Dow DJIA, – 0. % was most recently trading points, or 0.9%, lower. Dow Inc.’s shares have declined $ 2. (4.2%) while those of Merck are down $ 2. , or 2.7%, combining for a roughly – point drag on the Dow. Also contributing significantly to the decline are JPMorgan Chase JPM, -2. (% ) , Walgreens Boots WBA, – 2. (%) , and UnitedHealth UNH, – 2. 30% . A $ 1 move in any one of the (components of the benchmark results in a 6. – point swing.