The Dow Jones Industrial Average is climbing Wednesday afternoon with shares of Walgreens Boots and Apple Inc. delivering strong returns for the blue-chip average. The Dow was most recently trading 66 points, or 0.2%, higher, as shares of Walgreens Boots and Apple Inc. are contributing to the index’s intraday rally. Walgreens Boots’s shares are up $2.76, or 5.2%, while those of Apple Inc. are up $3.36 (2.8%), combining for a roughly 40-point bump for the Dow. Microsoft Salesforce.com Inc. and Boeing are also contributing significantly to the gain. A $1 move in any one of the 30 components of the index results in a 6.58-point swing.