The Dow Jones Industrial Average is falling Thursday morning with shares of UnitedHealth and Salesforce.com Inc. seeing the biggest losses for the index. Shares of UnitedHealth UNH, +1.28% and Salesforce.com Inc. CRM, -2.51% have contributed to the blue-chip gauge’s intraday decline, as the Dow DJIA, -0.19% was most recently trading 113 points, or 0.3%, lower. UnitedHealth’s shares are down $6.53 (1.6%) while those of Salesforce.com Inc. have dropped $3.43, or 1.4%, combining for a roughly 66-point drag on the Dow. Also contributing significantly to the decline are Intel INTC, -1.34%, Johnson & Johnson JNJ, -1.04%, and Amgen Inc. AMGN, +0.88%. A $1 move in any of the index’s 30 components equates to a 6.58-point swing.