Behind losses for shares of Walgreens Boots and Home Depot, the Dow Jones Industrial Average is falling Thursday afternoon. Shares of Walgreens Boots WBA, -2.51% and Home Depot HD, -1.62% have contributed to the blue-chip gauge’s intraday decline, as the Dow DJIA, -0.75% was most recently trading 332 points lower (-1.0%). Walgreens Boots’s shares have dropped $1.34 (2.7%) while those of Home Depot are down $7.34, or 2.2%, combining for a roughly 57-point drag on the Dow. Also contributing significantly to the decline are 3M MMM, -1.83%, Caterpillar CAT, -1.68%, and UnitedHealth UNH, -1.45%. A $1 move in any of the Dow’s 30 components results in a 6.58-point swing.