Shares of Dow Inc. and Walgreens Boots are seeing declines Thursday afternoon, sending the Dow Jones Industrial Average into negative territory. The Dow DJIA, -0.83% was most recently trading 207 points (0.6%) lower, as shares of Dow Inc. DOW, -5.72% and Walgreens Boots WBA, -2.28% are contributing to the index’s intraday decline. Dow Inc.’s shares have declined $3.44 (5.3%) while those of Walgreens Boots have fallen $1.24, or 2.3%, combining for an approximately 31-point drag on the Dow. Other components contributing significantly to the decline include Merck MRK, -1.83%, Amgen Inc. AMGN, -1.60%, and Home Depot HD, -1.68%. A $1 move in any of the index’s 30 components results in a 6.58-point swing.