The Dow Jones Industrial Average is climbing Tuesday afternoon with shares of Boeing and Salesforce.com Inc. leading the way for the blue-chip average. Shares of Boeing BA, +3.10% and Salesforce.com Inc. CRM, +2.39% are contributing around 25% of the index’s intraday rally, as the Dow DJIA, +0.44% is trading 134 points higher (0.4%). Boeing’s shares have gained $6.83 (3.3%) while those of Salesforce.com Inc. have gained $5.34, or 2.3%, combining for an approximately 80-point boost for the Dow. Chevron CVX, +2.27%, Apple Inc. AAPL, +1.52%, and Honeywell International Inc. HON, +1.11% are also contributing significantly to the gain. A $1 move in any one of the 30 components of the Dow equates to a 6.59-point swing.