By MarketWatch Automation
Shares of Boeing and Walt Disney are posting losses Thursday morning, sending the Dow Jones Industrial Average into negative territory. Shares of Boeing /zigman2/quotes/208579720/composite BA +0.08% and Walt Disney /zigman2/quotes/203410047/composite DIS +0.58% are contributing to the index's intraday decline, as the Dow /zigman2/quotes/210598065/realtime DJIA +0.40% was most recently trading 129 points (0.5%) lower. Boeing's shares are off $3.81, or 2.6%, while those of Walt Disney have dropped $2.21, or 1.8%, combining for a roughly 40-point drag on the Dow. Also contributing significantly to the decline are Dow Inc. /zigman2/quotes/203121064/composite DOW +1.02% , Amgen Inc. /zigman2/quotes/209157011/composite AMGN +0.17% , and American Express /zigman2/quotes/203805826/composite AXP +0.65% . A $1 move in any one of the 30 components of the benchmark results in a 6.58-point swing.