Behind declines for shares of Dow Inc. and Walgreens Boots, the Dow Jones Industrial Average is declining Friday afternoon. The Dow /zigman2/quotes/210598065/realtime DJIA -4.42% was most recently trading 177 points (0.6%) lower, as shares of Dow Inc. /zigman2/quotes/203121064/composite DOW -6.61% and Walgreens Boots /zigman2/quotes/203410933/composite WBA -3.00% have contributed to the blue-chip gauge's intraday decline. Dow Inc.'s shares are down $1.86 (3.7%) while those of Walgreens Boots have declined $1.27 (2.4%), combining for an approximately 21-point drag on the Dow. Merck /zigman2/quotes/209956077/composite MRK -2.33% , UnitedHealth /zigman2/quotes/210453738/composite UNH -3.45% , and JPMorgan Chase /zigman2/quotes/205971034/composite JPM -4.16% are also contributing significantly to the decline. A $1 move in any of the benchmark's 30 components results in a 6.78-point swing.