Chevron, Walgreens Boots share losses contribute to Dow’s 550-point drop

Shares of Chevron and Walgreens Boots are posting losses Tuesday morning, propelling the Dow Jones Industrial Average selloff. Shares of Chevron CVX and Walgreens Boots WBA are contributing to the blue-chip gauge’s intraday decline, as the Dow DJIA was most recently trading 556 points lower (-1.6%). Chevron’s shares are off $8.44, or 5.1%, while those of Walgreens Boots are down $1.49 (4.3%), combining for an approximately 65-point drag on the Dow. Other components contributing significantly to the decline include American Express AXP, Goldman Sachs GS, and Cisco CSCO. A $1 move in any of the Dow’s 30 components results…