By MarketWatch Automation
Shares of Intel and Boeing are trading lower Monday afternoon, sending the Dow Jones Industrial Average into negative territory. Shares of Intel /zigman2/quotes/203649727/composite INTC -1.66% and Boeing /zigman2/quotes/208579720/composite BA -1.39% have contributed to the blue-chip gauge's intraday decline, as the Dow /zigman2/quotes/210598065/realtime DJIA -0.74% was most recently trading 109 points (0.3%) lower. Intel's shares are down $1.25, or 1.9%, while those of Boeing are off $4.62, or 1.9%, combining for a roughly 39-point drag on the Dow. Also contributing significantly to the decline are Salesforce.com Inc. /zigman2/quotes/200515854/composite CRM -2.23% , Nike /zigman2/quotes/203439053/composite NKE -0.85% , and American Express /zigman2/quotes/203805826/composite AXP -0.02% . A $1 move in any of the index's 30 components results in a 6.58-point swing.