Behind negative returns for shares of Boeing and Caterpillar, the Dow Jones Industrial Average is trading down Monday afternoon. Shares of Boeing BA and Caterpillar CAT are contributing to the index’s intraday decline, as the Dow DJIA was most recently trading 83 points (0.3%) lower. Boeing’s shares are off $3.68 (2.7%) while those of Caterpillar have dropped $3.63 (2.0%), combining for a roughly 48-point drag on the Dow. Walt Disney DIS , Nike NKE , and Intel INTC are also contributing significantly to the decline. A $1 move in any of the benchmark’s 30 components equates to a 6.59-point swing.