By MarketWatch Automation
Shares of American Express and Chevron are posting strong returns Tuesday afternoon, lifting the Dow Jones Industrial Average into positive territory. Shares of American Express /zigman2/quotes/203805826/composite AXP -2.01% and Chevron /zigman2/quotes/205871374/composite CVX -0.93% have contributed to the index's intraday rally, as the Dow /zigman2/quotes/210598065/realtime DJIA -1.75% is trading 160 points (0.5%) higher. American Express's shares have risen $5.69, or 4.7%, while those of Chevron have risen $2.22, or 2.4%, combining for an approximately 52-point boost for the Dow. Other components contributing significantly to the gain include Boeing /zigman2/quotes/208579720/composite BA -5.62% , 3M /zigman2/quotes/205029460/composite MMM +0.64% , and Salesforce.com Inc. /zigman2/quotes/200515854/composite CRM -3.90% . A $1 move in any one of the 30 components of the index results in a 6.58-point swing.