Dragged down by negative returns for shares of Dow Inc. and Caterpillar, the Dow Jones Industrial Average is trading down Wednesday morning. The Dow /zigman2/quotes/210598065/realtime DJIA +1.01% was most recently trading 75 points (0.3%) lower, as shares of Dow Inc. /zigman2/quotes/203121064/composite DOW -0.45% and Caterpillar /zigman2/quotes/203434128/composite CAT -0.45% have contributed to the index's intraday decline. Dow Inc.'s shares have fallen $1.12, or 2.0%, while those of Caterpillar have fallen $1.81 (1.2%), combining for an approximately 20-point drag on the Dow. Goldman Sachs /zigman2/quotes/209237603/composite GS +0.25% , Intel /zigman2/quotes/203649727/composite INTC +1.60% , and JPMorgan Chase /zigman2/quotes/205971034/composite JPM -1.07% are also contributing significantly to the decline. A $1 move in any one of the 30 components of the index equates to a 6.78-point swing.