Shares of Caterpillar and Dow Inc. are trading higher Wednesday morning, propelling the Dow Jones Industrial Average rally. The Dow DJIA, +1.44% was most recently trading 433 points (1.4%) higher, as shares of Caterpillar CAT, +5.57% and Dow Inc. DOW, +4.71% are contributing to the blue-chip gauge’s intraday rally. Caterpillar’s shares are up $10.41, or 5.7%, while those of Dow Inc. are up $3.04, or 5.5%, combining for a roughly 88-point bump for the Dow. Also contributing significantly to the gain are Goldman Sachs GS, +5.40%, JPMorgan Chase JPM, +4.70%, and IBM IBM, +2.50%. A $1 move in any of the Dow’s 30 components results in a 6.58-point swing.