The Dow Jones Industrial Average is seeing a selloff Tuesday afternoon with shares of Nike and Boeing facing the biggest declines for the blue-chip average. Shares of Nike NKE, -4.87% and Boeing BA, -4.36% are contributing to the blue-chip gauge’s intraday decline, as the Dow DJIA, -1.63% was most recently trading 429 points (1.3%) lower. Nike’s shares have dropped $5.17, or 4.0%, while those of Boeing are off $6.80, or 3.9%, combining for a roughly 79-point drag on the Dow. Other components contributing significantly to the decline include 3M MMM, -3.07%, Visa V, -3.05%, and Caterpillar CAT, -2.87%. A $1 move in any of the benchmark’s 30 components equates to a 6.59-point swing.