Shares of Merck and Walt Disney are posting positive growth Friday afternoon, leading the Dow Jones Industrial Average rally. Shares of Merck MRK, +9.41% and Walt Disney DIS, +4.54% have contributed around 25% of the blue-chip gauge’s intraday rally, as the Dow DJIA, +1.34% was most recently trading 380 points (1.1%) higher. Merck’s shares have climbed $7.03, or 9.4%, while those of Walt Disney have gained $7.28 (4.3%), combining for a roughly 94-point bump for the Dow. Also contributing significantly to the gain are American Express AXP, +3.38%, IBM IBM, +2.99%, and Visa V, +3.03%. A $1 move in any one of the 30 components of the index equates to a 6.58-point swing.