By MarketWatch Automation
Powered by strong returns for shares of Caterpillar and Dow Inc., the Dow Jones Industrial Average is climbing Friday morning. The Dow /zigman2/quotes/210598065/realtime DJIA +0.48% was most recently trading 85 points (0.3%) higher, as shares of Caterpillar /zigman2/quotes/203434128/composite CAT +0.36% and Dow Inc. /zigman2/quotes/203121064/composite DOW +0.17% are contributing to the index's intraday rally. Caterpillar's shares have risen $7.59, or 3.8%, while those of Dow Inc. have gained $1.85, or 3.2%, combining for an approximately 62-point bump for the Dow. Also contributing significantly to the gain are American Express /zigman2/quotes/203805826/composite AXP +0.98% , JPMorgan Chase /zigman2/quotes/205971034/composite JPM +0.74% , and Boeing /zigman2/quotes/208579720/composite BA -1.17% . A $1 move in any one of the 30 components of the Dow results in a 6.58-point swing.