Shares of Boeing and United Technologies are trading lower Wednesday afternoon, leading the Dow Jones Industrial Average slump. The Dow DJIA, -0.87% was most recently trading 1,871 points, or 8.8%, lower, as shares of Boeing BA, -3.81% and United Technologies UTX are contributing to the blue-chip gauge's intraday decline. Boeing's shares have declined $30.70 (24.7%) while those of United Technologies have declined $20.72, or 22.3%, combining for an approximately 349-point drag on the Dow. Other components contributing significantly to the decline include American Express AXP, -1.16% , Chevron CVX, -0.73% , and UnitedHealth UNH, +0.99% . A $1 move in any of the benchmark's 30 components results in a 6.78-point swing.

Editor's Note: This story was auto-generated by Automated Insights using data from Dow Jones and FactSet. See our market data terms of use.