The Dow Jones Industrial Average is trading down Friday morning with shares of Chevron and Apple delivering the stiffest headwinds for the price-weighted average. The Dow DJIA, -1.34% was most recently trading 259 points, or 0.9%, lower, as shares of Chevron CVX, -3.11% and Apple AAPL, -3.22% are contributing to the index’s intraday decline. Chevron’s shares have fallen $4.23 (2.6%) while those of Apple are down $3.30, or 2.3%, combining for a roughly 50-point drag on the Dow. American Express AXP, -3.35%, Caterpillar CAT, -2.70%, and Goldman Sachs GS, -2.31% are also contributing significantly to the decline. A $1 move in any one of the 30 components of the benchmark equates to a 6.59-point swing.