The Dow Jones Industrial Average is rallying Thursday afternoon with shares of Caterpillar and IBM seeing positive momentum for the index. The Dow /zigman2/quotes/210598065/realtime DJIA -0.95% is trading 386 points, or 1.5%, higher, as shares of Caterpillar /zigman2/quotes/203434128/composite CAT -0.25% and IBM /zigman2/quotes/203856914/composite IBM -0.13% have contributed to the index's intraday rally. Caterpillar's shares have gained $4.00 (3.4%) while those of IBM have gained $4.56, or 3.4%, combining for an approximately 58-point bump for the Dow. JPMorgan Chase /zigman2/quotes/205971034/composite JPM +0.17% , 3M /zigman2/quotes/205029460/composite MMM -0.27% , and Goldman Sachs /zigman2/quotes/209237603/composite GS +0.03% are also contributing significantly to the gain. A $1 move in any one of the 30 components of the index results in a 6.78-point swing.