Shares of Visa and Apple Inc. are trading higher Monday morning, propelling the Dow Jones Industrial Average into positive territory. Shares of Visa V, +1.26% and Apple Inc. AAPL, +0.26% are contributing to the index’s intraday rally, as the Dow DJIA, +0.27% is trading 290 points higher (0.9%). Visa’s shares are up $4.51 (2.1%) while those of Apple Inc. are up $3.00 (2.1%), combining for an approximately 49-point bump for the Dow. IBM IBM, +1.54%, Salesforce Inc. CRM, -0.59%, undefined Goldman Sachs GS, +0.72% are also contributing significantly to the gain. A $1 move in any one of the 30 components of the index equates to a 6.59-point swing.