Shares of Nike and Boeing are retreating Monday afternoon, dragging the Dow Jones Industrial Average into negative territory. Shares of Nike NKE, -4.16% and Boeing BA, -2.87% have contributed to the blue-chip gauge’s intraday decline, as the Dow DJIA, -0.45% was most recently trading 149 points lower (-0.4%). Nike’s shares have fallen $6.52 (4.2%) while those of Boeing have fallen $6.25 (2.9%), combining for an approximately 84-point drag on the Dow. Other components contributing significantly to the decline include Visa V, -2.30%, Home Depot HD, -1.56%, and 3M MMM, -1.41%. A $1 move in any of the index’s 30 components results in a 6.59-point swing.