The Dow Jones Industrial Average is falling Friday morning with shares of Exxon Mobil and Chevron seeing the biggest losses for the blue-chip average. The Dow DJIA, -0.03% was most recently trading 136 points, or 0.6%, lower, as shares of Exxon Mobil XOM, +0.09% and Chevron CVX, -1.91% are contributing to the index's intraday decline. Exxon Mobil's shares are off $0.99 (2.2%) while those of Chevron have dropped $1.92 (2.1%), combining for an approximately 20-point drag on the Dow. Also contributing significantly to the decline are Caterpillar CAT, -1.39%, Boeing BA, -1.05%, and Cisco CSCO, +0.58%. A $1 move in any one of the 30 components of the benchmark results in a 6.86-point swing.