Powered by positive growth for shares of Boeing and Salesforce Inc., the Dow Jones Industrial Average is rallying Friday afternoon. The Dow DJIA, +1.01% was most recently trading 498 points (1.6%) higher, as shares of Boeing BA, +1.30% and Salesforce Inc. CRM, +3.31% have contributed to the blue-chip gauge’s intraday rally. Boeing’s shares are up $6.96, or 5.7%, while those of Salesforce Inc. have risen $6.82 (4.3%), combining for a roughly 91-point boost for the Dow. Also contributing significantly to the gain are American Express AXP, +3.06%, Nike NKE, +3.79%, undefined Apple Inc. AAPL, +2.76%. A $1 move in any one of the 30 components of the index results in a 6.59-point swing.