Shares of Dow Inc. and Walgreens Boots are retreating Thursday afternoon, leading the Dow Jones Industrial Average selloff. Shares of Dow Inc. DOW, -5.42% and Walgreens Boots WBA, -2.28% are contributing to the index’s intraday decline, as the Dow DJIA, -0.78% was most recently trading 352 points lower (-1.0%). Dow Inc.’s shares have fallen $3.81 (5.9%) while those of Walgreens Boots are down $1.32, or 2.4%, combining for a roughly 34-point drag on the Dow. Also contributing significantly to the decline are Intel INTC, -1.63%, JPMorgan Chase JPM, -1.74%, and Amgen Inc. AMGN, -1.42%. A $1 move in any one of the 30 components of the Dow results in a 6.58-point swing.