Despite negative returns for shares of 3M and Merck, the Dow Jones Industrial Average is nearly flat Tuesday morning.
Shares of 3M MMM, -6.21% and Merck MRK, -1.24% account for -20% of the blue-chip gauge’s intraday movement, as the Dow DJIA, +0.31% was most recently trading 18 points (0.1%) lower. 3M’s shares have dropped $7.55, or 6.2%, while those of Merck have dropped $2.59 (2.4%), combining for an approximately 67-point drag on the Dow. A $1 move in any of the index’s 30 components equates to a 6.59-point swing.