Shares of Salesforce.com Inc. and Microsoft are trading lower Wednesday afternoon, sending the Dow Jones Industrial Average into negative territory. Shares of Salesforce.com Inc. CRM, -7.87% and Microsoft MSFT, -3.10% are contributing to the blue-chip gauge’s intraday decline, as the Dow DJIA, -0.64% was most recently trading 56 points lower (-0.1%). Salesforce.com Inc.’s shares have declined $17.53 (7.1%) while those of Microsoft are down $8.89 (2.7%), combining for a roughly 174-point drag on the Dow. Other components contributing significantly to the decline include Nike NKE, -2.13%, Apple Inc. AAPL, -1.86%, and Cisco CSCO, -1.14%. A $1 move in any of the benchmark’s 30 components equates to a 6.59-point swing.