The Dow Jones Industrial Average is in a selloff Tuesday morning with shares of UnitedHealth and Salesforce seeing the biggest drops for the index. The Dow DJIA, -1.00% was most recently trading 421 points, or 1.1%, lower, as shares of UnitedHealth UNH, -6.44% and Salesforce CRM, +0.58% are contributing to the blue-chip gauge’s intraday decline. UnitedHealth’s shares have dropped $29.99 (6.1%) while those of Salesforce are down $6.74, or 2.2%, combining for a roughly 241-point drag on the Dow. Also contributing significantly to the decline are Intel INTC, -1.30%, 3M MMM, -1.26%, and undefined AMZN, -0.15%. A $1 move in any of the Dow’s 30 components results in a 6.57-point swing.