Shares of Nike and Salesforce Inc. are retreating Tuesday morning, propelling the Dow Jones Industrial Average selloff. Shares of Nike NKE, -5.80% and Salesforce Inc. CRM, -2.57% have contributed to the index’s intraday decline, as the Dow DJIA, -2.38% was most recently trading 422 points lower (-1.2%). Nike’s shares have dropped $4.24 (3.3%) while those of Salesforce Inc. have dropped $5.12, or 2.9%, combining for an approximately 62-point drag on the Dow. Also contributing significantly to the decline are Boeing BA, -5.04%, Walt Disney DIS, -3.48%, and Microsoft MSFT, -3.74%. A $1 move in any of the index’s 30 components equates to a 6.59-point swing.