The Dow Jones Industrial Average is up Tuesday afternoon with shares of American Express and Home Depot leading the way for the index. Shares of American Express and Home Depot are contributing to the index’s intraday rally, as the Dow was most recently trading 91 points higher (0.3%). American Express’s shares have risen $3.79 (2.4%) while those of Home Depot have climbed $4.42 (1.3%), combining for a roughly 54-point boost for the Dow. Nike McDonald’s and Johnson & Johnson are also contributing significantly to the gain. A $1 move in any one of the 30 components of the benchmark results in a 6.58-point swing.