Shares of Salesforce.com Inc. and Amgen Inc. are trading higher Friday morning, lifting the Dow Jones Industrial Average into positive territory. Shares of Salesforce.com Inc. CRM, +5.43% and Amgen Inc. AMGN, +1.12% have contributed around a third of the index’s intraday rally, as the Dow DJIA, +0.19% was most recently trading 110 points (0.3%) higher. Salesforce.com Inc.’s shares have gained $13.71 (6.1%) while those of Amgen Inc. have risen $3.24 (1.4%), combining for an approximately 112-point bump for the Dow. Other components contributing significantly to the gain include Microsoft MSFT, +0.15%, Walgreens Boots WBA, -0.72%, and Home Depot HD, +0.04%. A $1 move in any of the benchmark’s 30 components equates to a 6.58-point swing.