Behind losses for shares of UnitedHealth and Home Depot, the Dow Jones Industrial Average is trading down Friday morning. Shares of UnitedHealth UNH, -2.17% and Home Depot HD, -2.76% are contributing to the blue-chip gauge’s intraday decline, as the Dow DJIA, +0.08% was most recently trading 98 points (0.3%) lower. UnitedHealth’s shares are off $10.63, or 2.3%, while those of Home Depot have declined $8.56 (2.1%), combining for an approximately 126-point drag on the Dow. Nike NKE, -1.43%, Salesforce.com Inc. CRM, -0.05%, and IBM IBM, -0.67% are also contributing significantly to the decline. A $1 move in any of the benchmark’s 30 components equates to a 6.59-point swing.