Buoyed by positive momentum for shares of Caterpillar and Intel, the Dow Jones Industrial Average is rallying Wednesday morning. Shares of Caterpillar /zigman2/quotes/203434128/composite CAT +1.81% and Intel /zigman2/quotes/203649727/composite INTC +1.90% are contributing to the blue-chip gauge's intraday rally, as the Dow /zigman2/quotes/210598065/realtime DJIA +1.44% was most recently trading 396 points (1.6%) higher. Caterpillar's shares are up $4.48 (4.0%) while those of Intel are up $2.39 (4.0%), combining for a roughly 47-point boost for the Dow. JPMorgan Chase /zigman2/quotes/205971034/composite JPM +5.47% , Dow Inc. /zigman2/quotes/203121064/composite DOW +3.35% , and Exxon Mobil /zigman2/quotes/204455864/composite XOM +3.12% are also contributing significantly to the gain. A $1 move in any of the Dow's 30 components results in a 6.86-point swing.