By MarketWatch Automation
Buoyed by strong returns for shares of Walgreens Boots and Apple Inc., the Dow Jones Industrial Average is trading up Wednesday morning. Shares of Walgreens Boots /zigman2/quotes/203410933/composite WBA -0.07% and Apple Inc. /zigman2/quotes/202934861/composite AAPL -1.12% have contributed to the index's intraday rally, as the Dow /zigman2/quotes/210598065/realtime DJIA -0.78% is trading 83 points (0.3%) higher. Walgreens Boots's shares are up $2.61 (4.9%) while those of Apple Inc. have risen $2.39, or 2.0%, combining for an approximately 33-point bump for the Dow. Also contributing significantly to the gain are Boeing /zigman2/quotes/208579720/composite BA -0.19% , Caterpillar /zigman2/quotes/203434128/composite CAT -2.17% , and Salesforce.com Inc. /zigman2/quotes/200515854/composite CRM -0.34% . A $1 move in any of the benchmark's 30 components equates to a 6.58-point swing.