By MarketWatch Automation
Shares of Walgreens Boots and Verizon Communications Inc. are trading lower Thursday morning, dragging the Dow Jones Industrial Average into negative territory. Shares of Walgreens Boots /zigman2/quotes/203410933/composite WBA -0.48% and Verizon Communications Inc. /zigman2/quotes/204980236/composite VZ -1.73% are contributing to the blue-chip gauge's intraday decline, as the Dow /zigman2/quotes/210598065/realtime DJIA -1.71% was most recently trading 86 points lower (-0.2%). Walgreens Boots's shares are down $1.74 (4.3%) while those of Verizon Communications Inc. have fallen $1.26, or 2.8%, combining for an approximately 20-point drag on the Dow. Also contributing significantly to the decline are Nike /zigman2/quotes/203439053/composite NKE -12.81% , Visa /zigman2/quotes/203660239/composite V -1.34% , and Amgen Inc. /zigman2/quotes/209157011/composite AMGN -1.32% . A $1 move in any of the index's 30 components results in a 6.59-point swing.